diff --git a/.gitignore b/.gitignore index d93b08269b97..b47ed4f8ae3b 100644 --- a/.gitignore +++ b/.gitignore @@ -17,23 +17,6 @@ *.xcodeproj /.idea/ /dist/ -/out/ -/vendor/.gclient -/vendor/debian_jessie_mips64-sysroot/ -/vendor/debian_stretch_amd64-sysroot/ -/vendor/debian_stretch_arm-sysroot/ -/vendor/debian_stretch_arm64-sysroot/ -/vendor/debian_stretch_i386-sysroot/ -/vendor/gcc-4.8.3-d197-n64-loongson/ -/vendor/readme-gcc483-loongson.txt -/vendor/download/ -/vendor/llvm-build/ -/vendor/llvm/ -/vendor/npm/ -/vendor/python_26/ -/vendor/native_mksnapshot -/vendor/LICENSES.chromium.html -/vendor/pyyaml node_modules/ SHASUMS256.txt **/package-lock.json diff --git a/DEPS b/DEPS index cb47b474c471..10fc2f964965 100644 --- a/DEPS +++ b/DEPS @@ -88,7 +88,7 @@ deps = { 'url': (Var("nodejs_git")) + '/node.git@' + (Var("node_version")), 'condition': 'checkout_node and process_deps', }, - 'src/electron/vendor/pyyaml': { + 'src/third_party/pyyaml': { 'url': (Var("yaml_git")) + '/pyyaml.git@' + (Var("pyyaml_version")), 'condition': 'checkout_pyyaml and process_deps', }, diff --git a/docs/development/pull-requests.md b/docs/development/pull-requests.md index 6179f46907a3..8486c5cf824e 100644 --- a/docs/development/pull-requests.md +++ b/docs/development/pull-requests.md @@ -106,7 +106,6 @@ Common prefixes: * perf: A code change that improves performance * refactor: A code change that neither fixes a bug nor adds a feature * style: Changes that do not affect the meaning of the code (linting) -* vendor: Bumping a dependency like libchromiumcontent or node Other things to keep in mind when writing a commit message: diff --git a/docs/development/source-code-directory-structure.md b/docs/development/source-code-directory-structure.md index 61a21a68b15e..a7d0105f7dcb 100644 --- a/docs/development/source-code-directory-structure.md +++ b/docs/development/source-code-directory-structure.md @@ -99,4 +99,3 @@ script/ - The set of all scripts Electron runs for a variety of purposes. ``` * **typings** - TypeScript typings for Electron's internal code. -* **vendor** - Source code for some third party dependencies. diff --git a/docs/tutorial/using-native-node-modules.md b/docs/tutorial/using-native-node-modules.md index a1fd3f42b8cc..bbb7dd73e74d 100644 --- a/docs/tutorial/using-native-node-modules.md +++ b/docs/tutorial/using-native-node-modules.md @@ -90,7 +90,7 @@ match a public release, instruct `npm` to use the version of Node you have bundl with your custom build. ```sh -npm rebuild --nodedir=/path/to/electron/vendor/node +npm rebuild --nodedir=/path/to/src/out/Default/gen/node_headers ``` ## Troubleshooting diff --git a/script/lib/config.py b/script/lib/config.py index 9b0a6e23e8aa..e696cbb8b683 100644 --- a/script/lib/config.py +++ b/script/lib/config.py @@ -4,18 +4,6 @@ from __future__ import print_function import os import sys -# URL to the mips64el sysroot image. -MIPS64EL_SYSROOT_URL = 'https://github.com/electron' \ - + '/debian-sysroot-image-creator/releases/download' \ - + '/v0.5.0/debian_jessie_mips64-sysroot.tar.bz2' -# URL to the mips64el toolchain. -MIPS64EL_GCC = 'gcc-4.8.3-d197-n64-loongson' -MIPS64EL_GCC_URL = 'http://ftp.loongnix.org/toolchain/gcc/release/' \ - + MIPS64EL_GCC + '.tar.gz' - -BASE_URL = os.getenv('LIBCHROMIUMCONTENT_MIRROR') or \ - 'https://s3.amazonaws.com/github-janky-artifacts/libchromiumcontent' - PLATFORM = { 'cygwin': 'win32', 'darwin': 'darwin', @@ -92,22 +80,3 @@ def get_zip_name(name, version, suffix=''): if suffix: zip_name += '-' + suffix return zip_name + '.zip' - - -def build_env(): - env = os.environ.copy() - if get_target_arch() == "mips64el": - SOURCE_ROOT = os.path.abspath(os.path.dirname( - os.path.dirname(os.path.dirname(__file__)))) - VENDOR_DIR = os.path.join(SOURCE_ROOT, 'vendor') - gcc_dir = os.path.join(VENDOR_DIR, MIPS64EL_GCC) - ldlib_dirs = [ - gcc_dir + '/usr/x86_64-unknown-linux-gnu/mips64el-redhat-linux/lib', - gcc_dir + '/usr/lib64', - gcc_dir + '/usr/mips64el-redhat-linux/lib64', - gcc_dir + '/usr/mips64el-redhat-linux/sysroot/lib64', - gcc_dir + '/usr/mips64el-redhat-linux/sysroot/usr/lib64', - ] - env['LD_LIBRARY_PATH'] = os.pathsep.join(ldlib_dirs) - env['PATH'] = os.pathsep.join([gcc_dir + '/usr/bin', env['PATH']]) - return env diff --git a/script/lib/native_tests.py b/script/lib/native_tests.py index 5e9608851173..f28d827fa6d8 100644 --- a/script/lib/native_tests.py +++ b/script/lib/native_tests.py @@ -4,10 +4,9 @@ import os import subprocess import sys -SOURCE_ROOT = os.path.abspath( - os.path.dirname(os.path.dirname(os.path.dirname(__file__)))) -VENDOR_DIR = os.path.join(SOURCE_ROOT, 'vendor') -PYYAML_LIB_DIR = os.path.join(VENDOR_DIR, 'pyyaml', 'lib') +from util import SRC_DIR + +PYYAML_LIB_DIR = os.path.join(SRC_DIR, 'third_party', 'pyyaml', 'lib') sys.path.append(PYYAML_LIB_DIR) import yaml #pylint: disable=wrong-import-position,wrong-import-order diff --git a/script/release/notes/notes.js b/script/release/notes/notes.js index 861eaa32a057..079a2eb74e2a 100644 --- a/script/release/notes/notes.js +++ b/script/release/notes/notes.js @@ -24,7 +24,7 @@ const NO_NOTES = 'No notes'; const docTypes = new Set(['doc', 'docs']); const featTypes = new Set(['feat', 'feature']); const fixTypes = new Set(['fix']); -const otherTypes = new Set(['spec', 'build', 'test', 'chore', 'deps', 'refactor', 'tools', 'vendor', 'perf', 'style', 'ci']); +const otherTypes = new Set(['spec', 'build', 'test', 'chore', 'deps', 'refactor', 'tools', 'perf', 'style', 'ci']); const knownTypes = new Set([...docTypes.keys(), ...featTypes.keys(), ...fixTypes.keys(), ...otherTypes.keys()]); const getCacheDir = () => process.env.NOTES_CACHE_PATH || path.resolve(__dirname, '.cache'); diff --git a/vendor/third_party/lss/linux_syscall_support.h b/vendor/third_party/lss/linux_syscall_support.h deleted file mode 100644 index cb3fac22add4..000000000000 --- a/vendor/third_party/lss/linux_syscall_support.h +++ /dev/null @@ -1,4487 +0,0 @@ -/* Copyright (c) 2005-2011, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * --- - * Author: Markus Gutschke - */ - -/* This file includes Linux-specific support functions common to the - * coredumper and the thread lister; primarily, this is a collection - * of direct system calls, and a couple of symbols missing from - * standard header files. - * There are a few options that the including file can set to control - * the behavior of this file: - * - * SYS_CPLUSPLUS: - * The entire header file will normally be wrapped in 'extern "C" { }", - * making it suitable for compilation as both C and C++ source. If you - * do not want to do this, you can set the SYS_CPLUSPLUS macro to inhibit - * the wrapping. N.B. doing so will suppress inclusion of all prerequisite - * system header files, too. It is the caller's responsibility to provide - * the necessary definitions. - * - * SYS_ERRNO: - * All system calls will update "errno" unless overriden by setting the - * SYS_ERRNO macro prior to including this file. SYS_ERRNO should be - * an l-value. - * - * SYS_INLINE: - * New symbols will be defined "static inline", unless overridden by - * the SYS_INLINE macro. - * - * SYS_LINUX_SYSCALL_SUPPORT_H - * This macro is used to avoid multiple inclusions of this header file. - * If you need to include this file more than once, make sure to - * unset SYS_LINUX_SYSCALL_SUPPORT_H before each inclusion. - * - * SYS_PREFIX: - * New system calls will have a prefix of "sys_" unless overridden by - * the SYS_PREFIX macro. Valid values for this macro are [0..9] which - * results in prefixes "sys[0..9]_". It is also possible to set this - * macro to -1, which avoids all prefixes. - * - * SYS_SYSCALL_ENTRYPOINT: - * Some applications (such as sandboxes that filter system calls), need - * to be able to run custom-code each time a system call is made. If this - * macro is defined, it expands to the name of a "common" symbol. If - * this symbol is assigned a non-NULL pointer value, it is used as the - * address of the system call entrypoint. - * A pointer to this symbol can be obtained by calling - * get_syscall_entrypoint() - * - * This file defines a few internal symbols that all start with "LSS_". - * Do not access these symbols from outside this file. They are not part - * of the supported API. - */ -#ifndef SYS_LINUX_SYSCALL_SUPPORT_H -#define SYS_LINUX_SYSCALL_SUPPORT_H - -/* We currently only support x86-32, x86-64, ARM, MIPS, PPC, s390 and s390x - * on Linux. - * Porting to other related platforms should not be difficult. - */ -#if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) || \ - defined(__mips__) || defined(__PPC__) || defined(__ARM_EABI__) || \ - defined(__aarch64__) || defined(__s390__)) \ - && (defined(__linux) || defined(__ANDROID__)) - -#ifndef SYS_CPLUSPLUS -#ifdef __cplusplus -/* Some system header files in older versions of gcc neglect to properly - * handle being included from C++. As it appears to be harmless to have - * multiple nested 'extern "C"' blocks, just add another one here. - */ -extern "C" { -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef __mips__ -/* Include definitions of the ABI currently in use. */ -#ifdef __ANDROID__ -/* Android doesn't have sgidefs.h, but does have asm/sgidefs.h, - * which has the definitions we need. - */ -#include -#else -#include -#endif -#endif -#endif - -/* The Android NDK's #defines these macros as aliases - * to their non-64 counterparts. To avoid naming conflict, remove them. */ -#ifdef __ANDROID__ - /* These are restored by the corresponding #pragma pop_macro near - * the end of this file. */ -# pragma push_macro("stat64") -# pragma push_macro("fstat64") -# pragma push_macro("lstat64") -# undef stat64 -# undef fstat64 -# undef lstat64 -#endif - -/* As glibc often provides subtly incompatible data structures (and implicit - * wrapper functions that convert them), we provide our own kernel data - * structures for use by the system calls. - * These structures have been developed by using Linux 2.6.23 headers for - * reference. Note though, we do not care about exact API compatibility - * with the kernel, and in fact the kernel often does not have a single - * API that works across architectures. Instead, we try to mimic the glibc - * API where reasonable, and only guarantee ABI compatibility with the - * kernel headers. - * Most notably, here are a few changes that were made to the structures - * defined by kernel headers: - * - * - we only define structures, but not symbolic names for kernel data - * types. For the latter, we directly use the native C datatype - * (i.e. "unsigned" instead of "mode_t"). - * - in a few cases, it is possible to define identical structures for - * both 32bit (e.g. i386) and 64bit (e.g. x86-64) platforms by - * standardizing on the 64bit version of the data types. In particular, - * this means that we use "unsigned" where the 32bit headers say - * "unsigned long". - * - overall, we try to minimize the number of cases where we need to - * conditionally define different structures. - * - the "struct kernel_sigaction" class of structures have been - * modified to more closely mimic glibc's API by introducing an - * anonymous union for the function pointer. - * - a small number of field names had to have an underscore appended to - * them, because glibc defines a global macro by the same name. - */ - -/* include/linux/dirent.h */ -struct kernel_dirent64 { - unsigned long long d_ino; - long long d_off; - unsigned short d_reclen; - unsigned char d_type; - char d_name[256]; -}; - -/* include/linux/dirent.h */ -#if defined(__aarch64__) -// aarch64 only defines dirent64, just uses that for dirent too. -#define kernel_dirent kernel_dirent64 -#else -struct kernel_dirent { - long d_ino; - long d_off; - unsigned short d_reclen; - char d_name[256]; -}; -#endif - -/* include/linux/uio.h */ -struct kernel_iovec { - void *iov_base; - unsigned long iov_len; -}; - -/* include/linux/socket.h */ -struct kernel_msghdr { - void *msg_name; - int msg_namelen; - struct kernel_iovec*msg_iov; - unsigned long msg_iovlen; - void *msg_control; - unsigned long msg_controllen; - unsigned msg_flags; -}; - -/* include/asm-generic/poll.h */ -struct kernel_pollfd { - int fd; - short events; - short revents; -}; - -/* include/linux/resource.h */ -struct kernel_rlimit { - unsigned long rlim_cur; - unsigned long rlim_max; -}; - -/* include/linux/time.h */ -struct kernel_timespec { - long tv_sec; - long tv_nsec; -}; - -/* include/linux/time.h */ -struct kernel_timeval { - long tv_sec; - long tv_usec; -}; - -/* include/linux/resource.h */ -struct kernel_rusage { - struct kernel_timeval ru_utime; - struct kernel_timeval ru_stime; - long ru_maxrss; - long ru_ixrss; - long ru_idrss; - long ru_isrss; - long ru_minflt; - long ru_majflt; - long ru_nswap; - long ru_inblock; - long ru_oublock; - long ru_msgsnd; - long ru_msgrcv; - long ru_nsignals; - long ru_nvcsw; - long ru_nivcsw; -}; - -#if defined(__i386__) || defined(__ARM_EABI__) || defined(__ARM_ARCH_3__) \ - || defined(__PPC__) || (defined(__s390__) && !defined(__s390x__)) - -/* include/asm-{arm,i386,mips,ppc}/signal.h */ -struct kernel_old_sigaction { - union { - void (*sa_handler_)(int); - void (*sa_sigaction_)(int, siginfo_t *, void *); - }; - unsigned long sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -} __attribute__((packed,aligned(4))); -#elif (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) - #define kernel_old_sigaction kernel_sigaction -#elif defined(__aarch64__) - // No kernel_old_sigaction defined for arm64. -#endif - -/* Some kernel functions (e.g. sigaction() in 2.6.23) require that the - * exactly match the size of the signal set, even though the API was - * intended to be extensible. We define our own KERNEL_NSIG to deal with - * this. - * Please note that glibc provides signals [1.._NSIG-1], whereas the - * kernel (and this header) provides the range [1..KERNEL_NSIG]. The - * actual number of signals is obviously the same, but the constants - * differ by one. - */ -#ifdef __mips__ -#define KERNEL_NSIG 128 -#else -#define KERNEL_NSIG 64 -#endif - -/* include/asm-{arm,aarch64,i386,mips,x86_64}/signal.h */ -struct kernel_sigset_t { - unsigned long sig[(KERNEL_NSIG + 8*sizeof(unsigned long) - 1)/ - (8*sizeof(unsigned long))]; -}; - -/* include/asm-{arm,i386,mips,x86_64,ppc}/signal.h */ -struct kernel_sigaction { -#ifdef __mips__ - unsigned long sa_flags; - union { - void (*sa_handler_)(int); - void (*sa_sigaction_)(int, siginfo_t *, void *); - }; - struct kernel_sigset_t sa_mask; -#else - union { - void (*sa_handler_)(int); - void (*sa_sigaction_)(int, siginfo_t *, void *); - }; - unsigned long sa_flags; - void (*sa_restorer)(void); - struct kernel_sigset_t sa_mask; -#endif -}; - -/* include/linux/socket.h */ -struct kernel_sockaddr { - unsigned short sa_family; - char sa_data[14]; -}; - -/* include/asm-{arm,aarch64,i386,mips,ppc,s390}/stat.h */ -#ifdef __mips__ -#if _MIPS_SIM == _MIPS_SIM_ABI64 -struct kernel_stat { -#else -struct kernel_stat64 { -#endif - unsigned st_dev; - unsigned __pad0[3]; - unsigned long long st_ino; - unsigned st_mode; - unsigned st_nlink; - unsigned st_uid; - unsigned st_gid; - unsigned st_rdev; - unsigned __pad1[3]; - long long st_size; - unsigned st_atime_; - unsigned st_atime_nsec_; - unsigned st_mtime_; - unsigned st_mtime_nsec_; - unsigned st_ctime_; - unsigned st_ctime_nsec_; - unsigned st_blksize; - unsigned __pad2; - unsigned long long st_blocks; -}; -#elif defined __PPC__ -struct kernel_stat64 { - unsigned long long st_dev; - unsigned long long st_ino; - unsigned st_mode; - unsigned st_nlink; - unsigned st_uid; - unsigned st_gid; - unsigned long long st_rdev; - unsigned short int __pad2; - long long st_size; - long st_blksize; - long long st_blocks; - long st_atime_; - unsigned long st_atime_nsec_; - long st_mtime_; - unsigned long st_mtime_nsec_; - long st_ctime_; - unsigned long st_ctime_nsec_; - unsigned long __unused4; - unsigned long __unused5; -}; -#else -struct kernel_stat64 { - unsigned long long st_dev; - unsigned char __pad0[4]; - unsigned __st_ino; - unsigned st_mode; - unsigned st_nlink; - unsigned st_uid; - unsigned st_gid; - unsigned long long st_rdev; - unsigned char __pad3[4]; - long long st_size; - unsigned st_blksize; - unsigned long long st_blocks; - unsigned st_atime_; - unsigned st_atime_nsec_; - unsigned st_mtime_; - unsigned st_mtime_nsec_; - unsigned st_ctime_; - unsigned st_ctime_nsec_; - unsigned long long st_ino; -}; -#endif - -/* include/asm-{arm,aarch64,i386,mips,x86_64,ppc,s390}/stat.h */ -#if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) -struct kernel_stat { - /* The kernel headers suggest that st_dev and st_rdev should be 32bit - * quantities encoding 12bit major and 20bit minor numbers in an interleaved - * format. In reality, we do not see useful data in the top bits. So, - * we'll leave the padding in here, until we find a better solution. - */ - unsigned short st_dev; - short pad1; - unsigned st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - short pad2; - unsigned st_size; - unsigned st_blksize; - unsigned st_blocks; - unsigned st_atime_; - unsigned st_atime_nsec_; - unsigned st_mtime_; - unsigned st_mtime_nsec_; - unsigned st_ctime_; - unsigned st_ctime_nsec_; - unsigned __unused4; - unsigned __unused5; -}; -#elif defined(__x86_64__) -struct kernel_stat { - uint64_t st_dev; - uint64_t st_ino; - uint64_t st_nlink; - unsigned st_mode; - unsigned st_uid; - unsigned st_gid; - unsigned __pad0; - uint64_t st_rdev; - int64_t st_size; - int64_t st_blksize; - int64_t st_blocks; - uint64_t st_atime_; - uint64_t st_atime_nsec_; - uint64_t st_mtime_; - uint64_t st_mtime_nsec_; - uint64_t st_ctime_; - uint64_t st_ctime_nsec_; - int64_t __unused4[3]; -}; -#elif defined(__PPC__) -struct kernel_stat { - unsigned st_dev; - unsigned long st_ino; // ino_t - unsigned long st_mode; // mode_t - unsigned short st_nlink; // nlink_t - unsigned st_uid; // uid_t - unsigned st_gid; // gid_t - unsigned st_rdev; - long st_size; // off_t - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime_; - unsigned long st_atime_nsec_; - unsigned long st_mtime_; - unsigned long st_mtime_nsec_; - unsigned long st_ctime_; - unsigned long st_ctime_nsec_; - unsigned long __unused4; - unsigned long __unused5; -}; -#elif (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI64) -struct kernel_stat { - unsigned st_dev; - int st_pad1[3]; - unsigned st_ino; - unsigned st_mode; - unsigned st_nlink; - unsigned st_uid; - unsigned st_gid; - unsigned st_rdev; - int st_pad2[2]; - long st_size; - int st_pad3; - long st_atime_; - long st_atime_nsec_; - long st_mtime_; - long st_mtime_nsec_; - long st_ctime_; - long st_ctime_nsec_; - int st_blksize; - int st_blocks; - int st_pad4[14]; -}; -#elif defined(__aarch64__) -struct kernel_stat { - unsigned long st_dev; - unsigned long st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned int st_uid; - unsigned int st_gid; - unsigned long st_rdev; - unsigned long __pad1; - long st_size; - int st_blksize; - int __pad2; - long st_blocks; - long st_atime_; - unsigned long st_atime_nsec_; - long st_mtime_; - unsigned long st_mtime_nsec_; - long st_ctime_; - unsigned long st_ctime_nsec_; - unsigned int __unused4; - unsigned int __unused5; -}; -#elif defined(__s390x__) -struct kernel_stat { - unsigned long st_dev; - unsigned long st_ino; - unsigned long st_nlink; - unsigned int st_mode; - unsigned int st_uid; - unsigned int st_gid; - unsigned int __pad1; - unsigned long st_rdev; - unsigned long st_size; - unsigned long st_atime_; - unsigned long st_atime_nsec_; - unsigned long st_mtime_; - unsigned long st_mtime_nsec_; - unsigned long st_ctime_; - unsigned long st_ctime_nsec_; - unsigned long st_blksize; - long st_blocks; - unsigned long __unused[3]; -}; -#elif defined(__s390__) -struct kernel_stat { - unsigned short st_dev; - unsigned short __pad1; - unsigned long st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned short __pad2; - unsigned long st_size; - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime_; - unsigned long st_atime_nsec_; - unsigned long st_mtime_; - unsigned long st_mtime_nsec_; - unsigned long st_ctime_; - unsigned long st_ctime_nsec_; - unsigned long __unused4; - unsigned long __unused5; -}; -#endif - -/* include/asm-{arm,aarch64,i386,mips,x86_64,ppc,s390}/statfs.h */ -#ifdef __mips__ -#if _MIPS_SIM != _MIPS_SIM_ABI64 -struct kernel_statfs64 { - unsigned long f_type; - unsigned long f_bsize; - unsigned long f_frsize; - unsigned long __pad; - unsigned long long f_blocks; - unsigned long long f_bfree; - unsigned long long f_files; - unsigned long long f_ffree; - unsigned long long f_bavail; - struct { int val[2]; } f_fsid; - unsigned long f_namelen; - unsigned long f_spare[6]; -}; -#endif -#elif defined(__s390__) -/* See also arch/s390/include/asm/compat.h */ -struct kernel_statfs64 { - unsigned int f_type; - unsigned int f_bsize; - unsigned long long f_blocks; - unsigned long long f_bfree; - unsigned long long f_bavail; - unsigned long long f_files; - unsigned long long f_ffree; - struct { int val[2]; } f_fsid; - unsigned int f_namelen; - unsigned int f_frsize; - unsigned int f_flags; - unsigned int f_spare[4]; -}; -#elif !defined(__x86_64__) -struct kernel_statfs64 { - unsigned long f_type; - unsigned long f_bsize; - unsigned long long f_blocks; - unsigned long long f_bfree; - unsigned long long f_bavail; - unsigned long long f_files; - unsigned long long f_ffree; - struct { int val[2]; } f_fsid; - unsigned long f_namelen; - unsigned long f_frsize; - unsigned long f_spare[5]; -}; -#endif - -/* include/asm-{arm,i386,mips,x86_64,ppc,generic,s390}/statfs.h */ -#ifdef __mips__ -struct kernel_statfs { - long f_type; - long f_bsize; - long f_frsize; - long f_blocks; - long f_bfree; - long f_files; - long f_ffree; - long f_bavail; - struct { int val[2]; } f_fsid; - long f_namelen; - long f_spare[6]; -}; -#elif defined(__x86_64__) -struct kernel_statfs { - /* x86_64 actually defines all these fields as signed, whereas all other */ - /* platforms define them as unsigned. Leaving them at unsigned should not */ - /* cause any problems. Make sure these are 64-bit even on x32. */ - uint64_t f_type; - uint64_t f_bsize; - uint64_t f_blocks; - uint64_t f_bfree; - uint64_t f_bavail; - uint64_t f_files; - uint64_t f_ffree; - struct { int val[2]; } f_fsid; - uint64_t f_namelen; - uint64_t f_frsize; - uint64_t f_spare[5]; -}; -#elif defined(__s390__) -struct kernel_statfs { - unsigned int f_type; - unsigned int f_bsize; - unsigned long f_blocks; - unsigned long f_bfree; - unsigned long f_bavail; - unsigned long f_files; - unsigned long f_ffree; - struct { int val[2]; } f_fsid; - unsigned int f_namelen; - unsigned int f_frsize; - unsigned int f_flags; - unsigned int f_spare[4]; -}; -#else -struct kernel_statfs { - unsigned long f_type; - unsigned long f_bsize; - unsigned long f_blocks; - unsigned long f_bfree; - unsigned long f_bavail; - unsigned long f_files; - unsigned long f_ffree; - struct { int val[2]; } f_fsid; - unsigned long f_namelen; - unsigned long f_frsize; - unsigned long f_spare[5]; -}; -#endif - - -/* Definitions missing from the standard header files */ -#ifndef O_DIRECTORY -#if defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || defined(__aarch64__) -#define O_DIRECTORY 0040000 -#else -#define O_DIRECTORY 0200000 -#endif -#endif -#ifndef NT_PRXFPREG -#define NT_PRXFPREG 0x46e62b7f -#endif -#ifndef PTRACE_GETFPXREGS -#define PTRACE_GETFPXREGS ((enum __ptrace_request)18) -#endif -#ifndef PR_GET_DUMPABLE -#define PR_GET_DUMPABLE 3 -#endif -#ifndef PR_SET_DUMPABLE -#define PR_SET_DUMPABLE 4 -#endif -#ifndef PR_GET_SECCOMP -#define PR_GET_SECCOMP 21 -#endif -#ifndef PR_SET_SECCOMP -#define PR_SET_SECCOMP 22 -#endif -#ifndef AT_FDCWD -#define AT_FDCWD (-100) -#endif -#ifndef AT_SYMLINK_NOFOLLOW -#define AT_SYMLINK_NOFOLLOW 0x100 -#endif -#ifndef AT_REMOVEDIR -#define AT_REMOVEDIR 0x200 -#endif -#ifndef MREMAP_FIXED -#define MREMAP_FIXED 2 -#endif -#ifndef SA_RESTORER -#define SA_RESTORER 0x04000000 -#endif -#ifndef CPUCLOCK_PROF -#define CPUCLOCK_PROF 0 -#endif -#ifndef CPUCLOCK_VIRT -#define CPUCLOCK_VIRT 1 -#endif -#ifndef CPUCLOCK_SCHED -#define CPUCLOCK_SCHED 2 -#endif -#ifndef CPUCLOCK_PERTHREAD_MASK -#define CPUCLOCK_PERTHREAD_MASK 4 -#endif -#ifndef MAKE_PROCESS_CPUCLOCK -#define MAKE_PROCESS_CPUCLOCK(pid, clock) \ - ((int)(~(unsigned)(pid) << 3) | (int)(clock)) -#endif -#ifndef MAKE_THREAD_CPUCLOCK -#define MAKE_THREAD_CPUCLOCK(tid, clock) \ - ((int)(~(unsigned)(tid) << 3) | \ - (int)((clock) | CPUCLOCK_PERTHREAD_MASK)) -#endif - -#ifndef FUTEX_WAIT -#define FUTEX_WAIT 0 -#endif -#ifndef FUTEX_WAKE -#define FUTEX_WAKE 1 -#endif -#ifndef FUTEX_FD -#define FUTEX_FD 2 -#endif -#ifndef FUTEX_REQUEUE -#define FUTEX_REQUEUE 3 -#endif -#ifndef FUTEX_CMP_REQUEUE -#define FUTEX_CMP_REQUEUE 4 -#endif -#ifndef FUTEX_WAKE_OP -#define FUTEX_WAKE_OP 5 -#endif -#ifndef FUTEX_LOCK_PI -#define FUTEX_LOCK_PI 6 -#endif -#ifndef FUTEX_UNLOCK_PI -#define FUTEX_UNLOCK_PI 7 -#endif -#ifndef FUTEX_TRYLOCK_PI -#define FUTEX_TRYLOCK_PI 8 -#endif -#ifndef FUTEX_PRIVATE_FLAG -#define FUTEX_PRIVATE_FLAG 128 -#endif -#ifndef FUTEX_CMD_MASK -#define FUTEX_CMD_MASK ~FUTEX_PRIVATE_FLAG -#endif -#ifndef FUTEX_WAIT_PRIVATE -#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_WAKE_PRIVATE -#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_REQUEUE_PRIVATE -#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_CMP_REQUEUE_PRIVATE -#define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_WAKE_OP_PRIVATE -#define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_LOCK_PI_PRIVATE -#define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_UNLOCK_PI_PRIVATE -#define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG) -#endif -#ifndef FUTEX_TRYLOCK_PI_PRIVATE -#define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG) -#endif - - -#if defined(__x86_64__) -#ifndef ARCH_SET_GS -#define ARCH_SET_GS 0x1001 -#endif -#ifndef ARCH_GET_GS -#define ARCH_GET_GS 0x1004 -#endif -#endif - -#if defined(__i386__) -#ifndef __NR_quotactl -#define __NR_quotactl 131 -#endif -#ifndef __NR_setresuid -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#endif -#ifndef __NR_rt_sigaction -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigsuspend 179 -#endif -#ifndef __NR_pread64 -#define __NR_pread64 180 -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 181 -#endif -#ifndef __NR_ugetrlimit -#define __NR_ugetrlimit 191 -#endif -#ifndef __NR_stat64 -#define __NR_stat64 195 -#endif -#ifndef __NR_fstat64 -#define __NR_fstat64 197 -#endif -#ifndef __NR_setresuid32 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#endif -#ifndef __NR_setfsuid32 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 220 -#endif -#ifndef __NR_gettid -#define __NR_gettid 224 -#endif -#ifndef __NR_readahead -#define __NR_readahead 225 -#endif -#ifndef __NR_setxattr -#define __NR_setxattr 226 -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr 227 -#endif -#ifndef __NR_getxattr -#define __NR_getxattr 229 -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr 230 -#endif -#ifndef __NR_listxattr -#define __NR_listxattr 232 -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr 233 -#endif -#ifndef __NR_tkill -#define __NR_tkill 238 -#endif -#ifndef __NR_futex -#define __NR_futex 240 -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address 258 -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime 265 -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres 266 -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 268 -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 269 -#endif -#ifndef __NR_fadvise64_64 -#define __NR_fadvise64_64 272 -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set 289 -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get 290 -#endif -#ifndef __NR_openat -#define __NR_openat 295 -#endif -#ifndef __NR_fstatat64 -#define __NR_fstatat64 300 -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat 301 -#endif -#ifndef __NR_move_pages -#define __NR_move_pages 317 -#endif -#ifndef __NR_getcpu -#define __NR_getcpu 318 -#endif -#ifndef __NR_fallocate -#define __NR_fallocate 324 -#endif -/* End of i386 definitions */ -#elif defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) -#ifndef __NR_setresuid -#define __NR_setresuid (__NR_SYSCALL_BASE + 164) -#define __NR_getresuid (__NR_SYSCALL_BASE + 165) -#define __NR_setresgid (__NR_SYSCALL_BASE + 170) -#define __NR_getresgid (__NR_SYSCALL_BASE + 171) -#endif -#ifndef __NR_rt_sigaction -#define __NR_rt_sigreturn (__NR_SYSCALL_BASE + 173) -#define __NR_rt_sigaction (__NR_SYSCALL_BASE + 174) -#define __NR_rt_sigprocmask (__NR_SYSCALL_BASE + 175) -#define __NR_rt_sigpending (__NR_SYSCALL_BASE + 176) -#define __NR_rt_sigsuspend (__NR_SYSCALL_BASE + 179) -#endif -#ifndef __NR_pread64 -#define __NR_pread64 (__NR_SYSCALL_BASE + 180) -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 (__NR_SYSCALL_BASE + 181) -#endif -#ifndef __NR_ugetrlimit -#define __NR_ugetrlimit (__NR_SYSCALL_BASE + 191) -#endif -#ifndef __NR_stat64 -#define __NR_stat64 (__NR_SYSCALL_BASE + 195) -#endif -#ifndef __NR_fstat64 -#define __NR_fstat64 (__NR_SYSCALL_BASE + 197) -#endif -#ifndef __NR_setresuid32 -#define __NR_setresuid32 (__NR_SYSCALL_BASE + 208) -#define __NR_getresuid32 (__NR_SYSCALL_BASE + 209) -#define __NR_setresgid32 (__NR_SYSCALL_BASE + 210) -#define __NR_getresgid32 (__NR_SYSCALL_BASE + 211) -#endif -#ifndef __NR_setfsuid32 -#define __NR_setfsuid32 (__NR_SYSCALL_BASE + 215) -#define __NR_setfsgid32 (__NR_SYSCALL_BASE + 216) -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 (__NR_SYSCALL_BASE + 217) -#endif -#ifndef __NR_gettid -#define __NR_gettid (__NR_SYSCALL_BASE + 224) -#endif -#ifndef __NR_readahead -#define __NR_readahead (__NR_SYSCALL_BASE + 225) -#endif -#ifndef __NR_setxattr -#define __NR_setxattr (__NR_SYSCALL_BASE + 226) -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr (__NR_SYSCALL_BASE + 227) -#endif -#ifndef __NR_getxattr -#define __NR_getxattr (__NR_SYSCALL_BASE + 229) -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr (__NR_SYSCALL_BASE + 230) -#endif -#ifndef __NR_listxattr -#define __NR_listxattr (__NR_SYSCALL_BASE + 232) -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr (__NR_SYSCALL_BASE + 233) -#endif -#ifndef __NR_tkill -#define __NR_tkill (__NR_SYSCALL_BASE + 238) -#endif -#ifndef __NR_futex -#define __NR_futex (__NR_SYSCALL_BASE + 240) -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity (__NR_SYSCALL_BASE + 241) -#define __NR_sched_getaffinity (__NR_SYSCALL_BASE + 242) -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address (__NR_SYSCALL_BASE + 256) -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime (__NR_SYSCALL_BASE + 263) -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres (__NR_SYSCALL_BASE + 264) -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 (__NR_SYSCALL_BASE + 266) -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 267) -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set (__NR_SYSCALL_BASE + 314) -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get (__NR_SYSCALL_BASE + 315) -#endif -#ifndef __NR_move_pages -#define __NR_move_pages (__NR_SYSCALL_BASE + 344) -#endif -#ifndef __NR_getcpu -#define __NR_getcpu (__NR_SYSCALL_BASE + 345) -#endif -/* End of ARM 3/EABI definitions */ -#elif defined(__aarch64__) -#ifndef __NR_setxattr -#define __NR_setxattr 5 -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr 6 -#endif -#ifndef __NR_getxattr -#define __NR_getxattr 8 -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr 9 -#endif -#ifndef __NR_listxattr -#define __NR_listxattr 11 -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr 12 -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set 30 -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get 31 -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat 35 -#endif -#ifndef __NR_fallocate -#define __NR_fallocate 47 -#endif -#ifndef __NR_openat -#define __NR_openat 56 -#endif -#ifndef __NR_quotactl -#define __NR_quotactl 60 -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 61 -#endif -#ifndef __NR_getdents -#define __NR_getdents __NR_getdents64 -#endif -#ifndef __NR_pread64 -#define __NR_pread64 67 -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 68 -#endif -#ifndef __NR_ppoll -#define __NR_ppoll 73 -#endif -#ifndef __NR_readlinkat -#define __NR_readlinkat 78 -#endif -#ifndef __NR_newfstatat -#define __NR_newfstatat 79 -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address 96 -#endif -#ifndef __NR_futex -#define __NR_futex 98 -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime 113 -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres 114 -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity 122 -#define __NR_sched_getaffinity 123 -#endif -#ifndef __NR_tkill -#define __NR_tkill 130 -#endif -#ifndef __NR_setresuid -#define __NR_setresuid 147 -#define __NR_getresuid 148 -#define __NR_setresgid 149 -#define __NR_getresgid 150 -#endif -#ifndef __NR_gettid -#define __NR_gettid 178 -#endif -#ifndef __NR_readahead -#define __NR_readahead 213 -#endif -#ifndef __NR_fadvise64 -#define __NR_fadvise64 223 -#endif -#ifndef __NR_move_pages -#define __NR_move_pages 239 -#endif -/* End of aarch64 definitions */ -#elif defined(__x86_64__) -#ifndef __NR_pread64 -#define __NR_pread64 17 -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 18 -#endif -#ifndef __NR_setresuid -#define __NR_setresuid 117 -#define __NR_getresuid 118 -#define __NR_setresgid 119 -#define __NR_getresgid 120 -#endif -#ifndef __NR_quotactl -#define __NR_quotactl 179 -#endif -#ifndef __NR_gettid -#define __NR_gettid 186 -#endif -#ifndef __NR_readahead -#define __NR_readahead 187 -#endif -#ifndef __NR_setxattr -#define __NR_setxattr 188 -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr 189 -#endif -#ifndef __NR_getxattr -#define __NR_getxattr 191 -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr 192 -#endif -#ifndef __NR_listxattr -#define __NR_listxattr 194 -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr 195 -#endif -#ifndef __NR_tkill -#define __NR_tkill 200 -#endif -#ifndef __NR_futex -#define __NR_futex 202 -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity 203 -#define __NR_sched_getaffinity 204 -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 217 -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address 218 -#endif -#ifndef __NR_fadvise64 -#define __NR_fadvise64 221 -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime 228 -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres 229 -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set 251 -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get 252 -#endif -#ifndef __NR_openat -#define __NR_openat 257 -#endif -#ifndef __NR_newfstatat -#define __NR_newfstatat 262 -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat 263 -#endif -#ifndef __NR_move_pages -#define __NR_move_pages 279 -#endif -#ifndef __NR_fallocate -#define __NR_fallocate 285 -#endif -/* End of x86-64 definitions */ -#elif defined(__mips__) -#if _MIPS_SIM == _MIPS_SIM_ABI32 -#ifndef __NR_setresuid -#define __NR_setresuid (__NR_Linux + 185) -#define __NR_getresuid (__NR_Linux + 186) -#define __NR_setresgid (__NR_Linux + 190) -#define __NR_getresgid (__NR_Linux + 191) -#endif -#ifndef __NR_rt_sigaction -#define __NR_rt_sigreturn (__NR_Linux + 193) -#define __NR_rt_sigaction (__NR_Linux + 194) -#define __NR_rt_sigprocmask (__NR_Linux + 195) -#define __NR_rt_sigpending (__NR_Linux + 196) -#define __NR_rt_sigsuspend (__NR_Linux + 199) -#endif -#ifndef __NR_pread64 -#define __NR_pread64 (__NR_Linux + 200) -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 (__NR_Linux + 201) -#endif -#ifndef __NR_stat64 -#define __NR_stat64 (__NR_Linux + 213) -#endif -#ifndef __NR_fstat64 -#define __NR_fstat64 (__NR_Linux + 215) -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 (__NR_Linux + 219) -#endif -#ifndef __NR_gettid -#define __NR_gettid (__NR_Linux + 222) -#endif -#ifndef __NR_readahead -#define __NR_readahead (__NR_Linux + 223) -#endif -#ifndef __NR_setxattr -#define __NR_setxattr (__NR_Linux + 224) -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr (__NR_Linux + 225) -#endif -#ifndef __NR_getxattr -#define __NR_getxattr (__NR_Linux + 227) -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr (__NR_Linux + 228) -#endif -#ifndef __NR_listxattr -#define __NR_listxattr (__NR_Linux + 230) -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr (__NR_Linux + 231) -#endif -#ifndef __NR_tkill -#define __NR_tkill (__NR_Linux + 236) -#endif -#ifndef __NR_futex -#define __NR_futex (__NR_Linux + 238) -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity (__NR_Linux + 239) -#define __NR_sched_getaffinity (__NR_Linux + 240) -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address (__NR_Linux + 252) -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 (__NR_Linux + 255) -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 (__NR_Linux + 256) -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime (__NR_Linux + 263) -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres (__NR_Linux + 264) -#endif -#ifndef __NR_openat -#define __NR_openat (__NR_Linux + 288) -#endif -#ifndef __NR_fstatat -#define __NR_fstatat (__NR_Linux + 293) -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat (__NR_Linux + 294) -#endif -#ifndef __NR_move_pages -#define __NR_move_pages (__NR_Linux + 308) -#endif -#ifndef __NR_getcpu -#define __NR_getcpu (__NR_Linux + 312) -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set (__NR_Linux + 314) -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get (__NR_Linux + 315) -#endif -/* End of MIPS (old 32bit API) definitions */ -#elif _MIPS_SIM == _MIPS_SIM_ABI64 -#ifndef __NR_pread64 -#define __NR_pread64 (__NR_Linux + 16) -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 (__NR_Linux + 17) -#endif -#ifndef __NR_setresuid -#define __NR_setresuid (__NR_Linux + 115) -#define __NR_getresuid (__NR_Linux + 116) -#define __NR_setresgid (__NR_Linux + 117) -#define __NR_getresgid (__NR_Linux + 118) -#endif -#ifndef __NR_gettid -#define __NR_gettid (__NR_Linux + 178) -#endif -#ifndef __NR_readahead -#define __NR_readahead (__NR_Linux + 179) -#endif -#ifndef __NR_setxattr -#define __NR_setxattr (__NR_Linux + 180) -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr (__NR_Linux + 181) -#endif -#ifndef __NR_getxattr -#define __NR_getxattr (__NR_Linux + 183) -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr (__NR_Linux + 184) -#endif -#ifndef __NR_listxattr -#define __NR_listxattr (__NR_Linux + 186) -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr (__NR_Linux + 187) -#endif -#ifndef __NR_tkill -#define __NR_tkill (__NR_Linux + 192) -#endif -#ifndef __NR_futex -#define __NR_futex (__NR_Linux + 194) -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity (__NR_Linux + 195) -#define __NR_sched_getaffinity (__NR_Linux + 196) -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address (__NR_Linux + 212) -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime (__NR_Linux + 222) -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres (__NR_Linux + 223) -#endif -#ifndef __NR_openat -#define __NR_openat (__NR_Linux + 247) -#endif -#ifndef __NR_fstatat -#define __NR_fstatat (__NR_Linux + 252) -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat (__NR_Linux + 253) -#endif -#ifndef __NR_move_pages -#define __NR_move_pages (__NR_Linux + 267) -#endif -#ifndef __NR_getcpu -#define __NR_getcpu (__NR_Linux + 271) -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set (__NR_Linux + 273) -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get (__NR_Linux + 274) -#endif -/* End of MIPS (64bit API) definitions */ -#else -#ifndef __NR_setresuid -#define __NR_setresuid (__NR_Linux + 115) -#define __NR_getresuid (__NR_Linux + 116) -#define __NR_setresgid (__NR_Linux + 117) -#define __NR_getresgid (__NR_Linux + 118) -#endif -#ifndef __NR_gettid -#define __NR_gettid (__NR_Linux + 178) -#endif -#ifndef __NR_readahead -#define __NR_readahead (__NR_Linux + 179) -#endif -#ifndef __NR_setxattr -#define __NR_setxattr (__NR_Linux + 180) -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr (__NR_Linux + 181) -#endif -#ifndef __NR_getxattr -#define __NR_getxattr (__NR_Linux + 183) -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr (__NR_Linux + 184) -#endif -#ifndef __NR_listxattr -#define __NR_listxattr (__NR_Linux + 186) -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr (__NR_Linux + 187) -#endif -#ifndef __NR_tkill -#define __NR_tkill (__NR_Linux + 192) -#endif -#ifndef __NR_futex -#define __NR_futex (__NR_Linux + 194) -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity (__NR_Linux + 195) -#define __NR_sched_getaffinity (__NR_Linux + 196) -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address (__NR_Linux + 213) -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 (__NR_Linux + 217) -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 (__NR_Linux + 218) -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime (__NR_Linux + 226) -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres (__NR_Linux + 227) -#endif -#ifndef __NR_openat -#define __NR_openat (__NR_Linux + 251) -#endif -#ifndef __NR_fstatat -#define __NR_fstatat (__NR_Linux + 256) -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat (__NR_Linux + 257) -#endif -#ifndef __NR_move_pages -#define __NR_move_pages (__NR_Linux + 271) -#endif -#ifndef __NR_getcpu -#define __NR_getcpu (__NR_Linux + 275) -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set (__NR_Linux + 277) -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get (__NR_Linux + 278) -#endif -/* End of MIPS (new 32bit API) definitions */ -#endif -/* End of MIPS definitions */ -#elif defined(__PPC__) -#ifndef __NR_setfsuid -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#endif -#ifndef __NR_setresuid -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_setresgid 169 -#define __NR_getresgid 170 -#endif -#ifndef __NR_rt_sigaction -#define __NR_rt_sigreturn 172 -#define __NR_rt_sigaction 173 -#define __NR_rt_sigprocmask 174 -#define __NR_rt_sigpending 175 -#define __NR_rt_sigsuspend 178 -#endif -#ifndef __NR_pread64 -#define __NR_pread64 179 -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 180 -#endif -#ifndef __NR_ugetrlimit -#define __NR_ugetrlimit 190 -#endif -#ifndef __NR_readahead -#define __NR_readahead 191 -#endif -#ifndef __NR_stat64 -#define __NR_stat64 195 -#endif -#ifndef __NR_fstat64 -#define __NR_fstat64 197 -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 202 -#endif -#ifndef __NR_gettid -#define __NR_gettid 207 -#endif -#ifndef __NR_tkill -#define __NR_tkill 208 -#endif -#ifndef __NR_setxattr -#define __NR_setxattr 209 -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr 210 -#endif -#ifndef __NR_getxattr -#define __NR_getxattr 212 -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr 213 -#endif -#ifndef __NR_listxattr -#define __NR_listxattr 215 -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr 216 -#endif -#ifndef __NR_futex -#define __NR_futex 221 -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity 222 -#define __NR_sched_getaffinity 223 -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address 232 -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime 246 -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres 247 -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 252 -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 253 -#endif -#ifndef __NR_fadvise64_64 -#define __NR_fadvise64_64 254 -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set 273 -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get 274 -#endif -#ifndef __NR_openat -#define __NR_openat 286 -#endif -#ifndef __NR_fstatat64 -#define __NR_fstatat64 291 -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat 292 -#endif -#ifndef __NR_move_pages -#define __NR_move_pages 301 -#endif -#ifndef __NR_getcpu -#define __NR_getcpu 302 -#endif -/* End of powerpc defininitions */ -#elif defined(__s390__) -#ifndef __NR_quotactl -#define __NR_quotactl 131 -#endif -#ifndef __NR_rt_sigreturn -#define __NR_rt_sigreturn 173 -#endif -#ifndef __NR_rt_sigaction -#define __NR_rt_sigaction 174 -#endif -#ifndef __NR_rt_sigprocmask -#define __NR_rt_sigprocmask 175 -#endif -#ifndef __NR_rt_sigpending -#define __NR_rt_sigpending 176 -#endif -#ifndef __NR_rt_sigsuspend -#define __NR_rt_sigsuspend 179 -#endif -#ifndef __NR_pread64 -#define __NR_pread64 180 -#endif -#ifndef __NR_pwrite64 -#define __NR_pwrite64 181 -#endif -#ifndef __NR_getdents64 -#define __NR_getdents64 220 -#endif -#ifndef __NR_readahead -#define __NR_readahead 222 -#endif -#ifndef __NR_setxattr -#define __NR_setxattr 224 -#endif -#ifndef __NR_lsetxattr -#define __NR_lsetxattr 225 -#endif -#ifndef __NR_getxattr -#define __NR_getxattr 227 -#endif -#ifndef __NR_lgetxattr -#define __NR_lgetxattr 228 -#endif -#ifndef __NR_listxattr -#define __NR_listxattr 230 -#endif -#ifndef __NR_llistxattr -#define __NR_llistxattr 231 -#endif -#ifndef __NR_gettid -#define __NR_gettid 236 -#endif -#ifndef __NR_tkill -#define __NR_tkill 237 -#endif -#ifndef __NR_futex -#define __NR_futex 238 -#endif -#ifndef __NR_sched_setaffinity -#define __NR_sched_setaffinity 239 -#endif -#ifndef __NR_sched_getaffinity -#define __NR_sched_getaffinity 240 -#endif -#ifndef __NR_set_tid_address -#define __NR_set_tid_address 252 -#endif -#ifndef __NR_clock_gettime -#define __NR_clock_gettime 260 -#endif -#ifndef __NR_clock_getres -#define __NR_clock_getres 261 -#endif -#ifndef __NR_statfs64 -#define __NR_statfs64 265 -#endif -#ifndef __NR_fstatfs64 -#define __NR_fstatfs64 266 -#endif -#ifndef __NR_ioprio_set -#define __NR_ioprio_set 282 -#endif -#ifndef __NR_ioprio_get -#define __NR_ioprio_get 283 -#endif -#ifndef __NR_openat -#define __NR_openat 288 -#endif -#ifndef __NR_unlinkat -#define __NR_unlinkat 294 -#endif -#ifndef __NR_move_pages -#define __NR_move_pages 310 -#endif -#ifndef __NR_getcpu -#define __NR_getcpu 311 -#endif -#ifndef __NR_fallocate -#define __NR_fallocate 314 -#endif -/* Some syscalls are named/numbered differently between s390 and s390x. */ -#ifdef __s390x__ -# ifndef __NR_getrlimit -# define __NR_getrlimit 191 -# endif -# ifndef __NR_setresuid -# define __NR_setresuid 208 -# endif -# ifndef __NR_getresuid -# define __NR_getresuid 209 -# endif -# ifndef __NR_setresgid -# define __NR_setresgid 210 -# endif -# ifndef __NR_getresgid -# define __NR_getresgid 211 -# endif -# ifndef __NR_setfsuid -# define __NR_setfsuid 215 -# endif -# ifndef __NR_setfsgid -# define __NR_setfsgid 216 -# endif -# ifndef __NR_fadvise64 -# define __NR_fadvise64 253 -# endif -# ifndef __NR_newfstatat -# define __NR_newfstatat 293 -# endif -#else /* __s390x__ */ -# ifndef __NR_getrlimit -# define __NR_getrlimit 76 -# endif -# ifndef __NR_setfsuid -# define __NR_setfsuid 138 -# endif -# ifndef __NR_setfsgid -# define __NR_setfsgid 139 -# endif -# ifndef __NR_setresuid -# define __NR_setresuid 164 -# endif -# ifndef __NR_getresuid -# define __NR_getresuid 165 -# endif -# ifndef __NR_setresgid -# define __NR_setresgid 170 -# endif -# ifndef __NR_getresgid -# define __NR_getresgid 171 -# endif -# ifndef __NR_ugetrlimit -# define __NR_ugetrlimit 191 -# endif -# ifndef __NR_mmap2 -# define __NR_mmap2 192 -# endif -# ifndef __NR_setresuid32 -# define __NR_setresuid32 208 -# endif -# ifndef __NR_getresuid32 -# define __NR_getresuid32 209 -# endif -# ifndef __NR_setresgid32 -# define __NR_setresgid32 210 -# endif -# ifndef __NR_getresgid32 -# define __NR_getresgid32 211 -# endif -# ifndef __NR_setfsuid32 -# define __NR_setfsuid32 215 -# endif -# ifndef __NR_setfsgid32 -# define __NR_setfsgid32 216 -# endif -# ifndef __NR_fadvise64_64 -# define __NR_fadvise64_64 264 -# endif -# ifndef __NR_fstatat64 -# define __NR_fstatat64 293 -# endif -#endif /* __s390__ */ -/* End of s390/s390x definitions */ -#endif - - -/* After forking, we must make sure to only call system calls. */ -#if defined(__BOUNDED_POINTERS__) - #error "Need to port invocations of syscalls for bounded ptrs" -#else - /* The core dumper and the thread lister get executed after threads - * have been suspended. As a consequence, we cannot call any functions - * that acquire locks. Unfortunately, libc wraps most system calls - * (e.g. in order to implement pthread_atfork, and to make calls - * cancellable), which means we cannot call these functions. Instead, - * we have to call syscall() directly. - */ - #undef LSS_ERRNO - #ifdef SYS_ERRNO - /* Allow the including file to override the location of errno. This can - * be useful when using clone() with the CLONE_VM option. - */ - #define LSS_ERRNO SYS_ERRNO - #else - #define LSS_ERRNO errno - #endif - - #undef LSS_INLINE - #ifdef SYS_INLINE - #define LSS_INLINE SYS_INLINE - #else - #define LSS_INLINE static inline - #endif - - /* Allow the including file to override the prefix used for all new - * system calls. By default, it will be set to "sys_". - */ - #undef LSS_NAME - #ifndef SYS_PREFIX - #define LSS_NAME(name) sys_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX < 0 - #define LSS_NAME(name) name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 0 - #define LSS_NAME(name) sys0_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 1 - #define LSS_NAME(name) sys1_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 2 - #define LSS_NAME(name) sys2_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 3 - #define LSS_NAME(name) sys3_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 4 - #define LSS_NAME(name) sys4_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 5 - #define LSS_NAME(name) sys5_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 6 - #define LSS_NAME(name) sys6_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 7 - #define LSS_NAME(name) sys7_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 8 - #define LSS_NAME(name) sys8_##name - #elif defined(SYS_PREFIX) && SYS_PREFIX == 9 - #define LSS_NAME(name) sys9_##name - #endif - - #undef LSS_RETURN - #if (defined(__i386__) || defined(__x86_64__) || defined(__ARM_ARCH_3__) \ - || defined(__ARM_EABI__) || defined(__aarch64__) || defined(__s390__)) - /* Failing system calls return a negative result in the range of - * -1..-4095. These are "errno" values with the sign inverted. - */ - #define LSS_RETURN(type, res) \ - do { \ - if ((unsigned long)(res) >= (unsigned long)(-4095)) { \ - LSS_ERRNO = -(res); \ - res = -1; \ - } \ - return (type) (res); \ - } while (0) - #elif defined(__mips__) - /* On MIPS, failing system calls return -1, and set errno in a - * separate CPU register. - */ - #define LSS_RETURN(type, res, err) \ - do { \ - if (err) { \ - unsigned long __errnovalue = (res); \ - LSS_ERRNO = __errnovalue; \ - res = -1; \ - } \ - return (type) (res); \ - } while (0) - #elif defined(__PPC__) - /* On PPC, failing system calls return -1, and set errno in a - * separate CPU register. See linux/unistd.h. - */ - #define LSS_RETURN(type, res, err) \ - do { \ - if (err & 0x10000000 ) { \ - LSS_ERRNO = (res); \ - res = -1; \ - } \ - return (type) (res); \ - } while (0) - #endif - #if defined(__i386__) - /* In PIC mode (e.g. when building shared libraries), gcc for i386 - * reserves ebx. Unfortunately, most distribution ship with implementations - * of _syscallX() which clobber ebx. - * Also, most definitions of _syscallX() neglect to mark "memory" as being - * clobbered. This causes problems with compilers, that do a better job - * at optimizing across __asm__ calls. - * So, we just have to redefine all of the _syscallX() macros. - */ - #undef LSS_ENTRYPOINT - #ifdef SYS_SYSCALL_ENTRYPOINT - static inline void (**LSS_NAME(get_syscall_entrypoint)(void))(void) { - void (**entrypoint)(void); - asm volatile(".bss\n" - ".align 8\n" - ".globl " SYS_SYSCALL_ENTRYPOINT "\n" - ".common " SYS_SYSCALL_ENTRYPOINT ",8,8\n" - ".previous\n" - /* This logically does 'lea "SYS_SYSCALL_ENTRYPOINT", %0' */ - "call 0f\n" - "0:pop %0\n" - "add $_GLOBAL_OFFSET_TABLE_+[.-0b], %0\n" - "mov " SYS_SYSCALL_ENTRYPOINT "@GOT(%0), %0\n" - : "=r"(entrypoint)); - return entrypoint; - } - - #define LSS_ENTRYPOINT ".bss\n" \ - ".align 8\n" \ - ".globl " SYS_SYSCALL_ENTRYPOINT "\n" \ - ".common " SYS_SYSCALL_ENTRYPOINT ",8,8\n" \ - ".previous\n" \ - /* Check the SYS_SYSCALL_ENTRYPOINT vector */ \ - "push %%eax\n" \ - "call 10000f\n" \ - "10000:pop %%eax\n" \ - "add $_GLOBAL_OFFSET_TABLE_+[.-10000b], %%eax\n" \ - "mov " SYS_SYSCALL_ENTRYPOINT \ - "@GOT(%%eax), %%eax\n" \ - "mov 0(%%eax), %%eax\n" \ - "test %%eax, %%eax\n" \ - "jz 10002f\n" \ - "push %%eax\n" \ - "call 10001f\n" \ - "10001:pop %%eax\n" \ - "add $(10003f-10001b), %%eax\n" \ - "xchg 4(%%esp), %%eax\n" \ - "ret\n" \ - "10002:pop %%eax\n" \ - "int $0x80\n" \ - "10003:\n" - #else - #define LSS_ENTRYPOINT "int $0x80\n" - #endif - #undef LSS_BODY - #define LSS_BODY(type,args...) \ - long __res; \ - __asm__ __volatile__("push %%ebx\n" \ - "movl %2,%%ebx\n" \ - LSS_ENTRYPOINT \ - "pop %%ebx" \ - args \ - : "esp", "memory"); \ - LSS_RETURN(type,__res) - #undef _syscall0 - #define _syscall0(type,name) \ - type LSS_NAME(name)(void) { \ - long __res; \ - __asm__ volatile(LSS_ENTRYPOINT \ - : "=a" (__res) \ - : "0" (__NR_##name) \ - : "esp", "memory"); \ - LSS_RETURN(type,__res); \ - } - #undef _syscall1 - #define _syscall1(type,name,type1,arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_BODY(type, \ - : "=a" (__res) \ - : "0" (__NR_##name), "ri" ((long)(arg1))); \ - } - #undef _syscall2 - #define _syscall2(type,name,type1,arg1,type2,arg2) \ - type LSS_NAME(name)(type1 arg1,type2 arg2) { \ - LSS_BODY(type, \ - : "=a" (__res) \ - : "0" (__NR_##name),"ri" ((long)(arg1)), "c" ((long)(arg2))); \ - } - #undef _syscall3 - #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ - type LSS_NAME(name)(type1 arg1,type2 arg2,type3 arg3) { \ - LSS_BODY(type, \ - : "=a" (__res) \ - : "0" (__NR_##name), "ri" ((long)(arg1)), "c" ((long)(arg2)), \ - "d" ((long)(arg3))); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_BODY(type, \ - : "=a" (__res) \ - : "0" (__NR_##name), "ri" ((long)(arg1)), "c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4))); \ - } - #undef _syscall5 - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - long __res; \ - __asm__ __volatile__("push %%ebx\n" \ - "movl %2,%%ebx\n" \ - "movl %1,%%eax\n" \ - LSS_ENTRYPOINT \ - "pop %%ebx" \ - : "=a" (__res) \ - : "i" (__NR_##name), "ri" ((long)(arg1)), \ - "c" ((long)(arg2)), "d" ((long)(arg3)), \ - "S" ((long)(arg4)), "D" ((long)(arg5)) \ - : "esp", "memory"); \ - LSS_RETURN(type,__res); \ - } - #undef _syscall6 - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - long __res; \ - struct { long __a1; long __a6; } __s = { (long)arg1, (long) arg6 }; \ - __asm__ __volatile__("push %%ebp\n" \ - "push %%ebx\n" \ - "movl 4(%2),%%ebp\n" \ - "movl 0(%2), %%ebx\n" \ - "movl %1,%%eax\n" \ - LSS_ENTRYPOINT \ - "pop %%ebx\n" \ - "pop %%ebp" \ - : "=a" (__res) \ - : "i" (__NR_##name), "0" ((long)(&__s)), \ - "c" ((long)(arg2)), "d" ((long)(arg3)), \ - "S" ((long)(arg4)), "D" ((long)(arg5)) \ - : "esp", "memory"); \ - LSS_RETURN(type,__res); \ - } - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long __res; - __asm__ __volatile__(/* if (fn == NULL) - * return -EINVAL; - */ - "movl %3,%%ecx\n" - "jecxz 1f\n" - - /* if (child_stack == NULL) - * return -EINVAL; - */ - "movl %4,%%ecx\n" - "jecxz 1f\n" - - /* Set up alignment of the child stack: - * child_stack = (child_stack & ~0xF) - 20; - */ - "andl $-16,%%ecx\n" - "subl $20,%%ecx\n" - - /* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - "movl %6,%%eax\n" - "movl %%eax,4(%%ecx)\n" - "movl %3,%%eax\n" - "movl %%eax,(%%ecx)\n" - - /* %eax = syscall(%eax = __NR_clone, - * %ebx = flags, - * %ecx = child_stack, - * %edx = parent_tidptr, - * %esi = newtls, - * %edi = child_tidptr) - * Also, make sure that %ebx gets preserved as it is - * used in PIC mode. - */ - "movl %8,%%esi\n" - "movl %7,%%edx\n" - "movl %5,%%eax\n" - "movl %9,%%edi\n" - "pushl %%ebx\n" - "movl %%eax,%%ebx\n" - "movl %2,%%eax\n" - LSS_ENTRYPOINT - - /* In the parent: restore %ebx - * In the child: move "fn" into %ebx - */ - "popl %%ebx\n" - - /* if (%eax != 0) - * return %eax; - */ - "test %%eax,%%eax\n" - "jnz 1f\n" - - /* In the child, now. Terminate frame pointer chain. - */ - "movl $0,%%ebp\n" - - /* Call "fn". "arg" is already on the stack. - */ - "call *%%ebx\n" - - /* Call _exit(%ebx). Unfortunately older versions - * of gcc restrict the number of arguments that can - * be passed to asm(). So, we need to hard-code the - * system call number. - */ - "movl %%eax,%%ebx\n" - "movl $1,%%eax\n" - LSS_ENTRYPOINT - - /* Return to parent. - */ - "1:\n" - : "=a" (__res) - : "0"(-EINVAL), "i"(__NR_clone), - "m"(fn), "m"(child_stack), "m"(flags), "m"(arg), - "m"(parent_tidptr), "m"(newtls), "m"(child_tidptr) - : "esp", "memory", "ecx", "edx", "esi", "edi"); - LSS_RETURN(int, __res); - } - - LSS_INLINE _syscall1(int, set_thread_area, void *, u) - LSS_INLINE _syscall1(int, get_thread_area, void *, u) - - LSS_INLINE void (*LSS_NAME(restore_rt)(void))(void) { - /* On i386, the kernel does not know how to return from a signal - * handler. Instead, it relies on user space to provide a - * restorer function that calls the {rt_,}sigreturn() system call. - * Unfortunately, we cannot just reference the glibc version of this - * function, as glibc goes out of its way to make it inaccessible. - */ - void (*res)(void); - __asm__ __volatile__("call 2f\n" - "0:.align 16\n" - "1:movl %1,%%eax\n" - LSS_ENTRYPOINT - "2:popl %0\n" - "addl $(1b-0b),%0\n" - : "=a" (res) - : "i" (__NR_rt_sigreturn)); - return res; - } - LSS_INLINE void (*LSS_NAME(restore)(void))(void) { - /* On i386, the kernel does not know how to return from a signal - * handler. Instead, it relies on user space to provide a - * restorer function that calls the {rt_,}sigreturn() system call. - * Unfortunately, we cannot just reference the glibc version of this - * function, as glibc goes out of its way to make it inaccessible. - */ - void (*res)(void); - __asm__ __volatile__("call 2f\n" - "0:.align 16\n" - "1:pop %%eax\n" - "movl %1,%%eax\n" - LSS_ENTRYPOINT - "2:popl %0\n" - "addl $(1b-0b),%0\n" - : "=a" (res) - : "i" (__NR_sigreturn)); - return res; - } - #elif defined(__x86_64__) - /* There are no known problems with any of the _syscallX() macros - * currently shipping for x86_64, but we still need to be able to define - * our own version so that we can override the location of the errno - * location (e.g. when using the clone() system call with the CLONE_VM - * option). - */ - #undef LSS_ENTRYPOINT - #ifdef SYS_SYSCALL_ENTRYPOINT - static inline void (**LSS_NAME(get_syscall_entrypoint)(void))(void) { - void (**entrypoint)(void); - asm volatile(".bss\n" - ".align 8\n" - ".globl " SYS_SYSCALL_ENTRYPOINT "\n" - ".common " SYS_SYSCALL_ENTRYPOINT ",8,8\n" - ".previous\n" - "mov " SYS_SYSCALL_ENTRYPOINT "@GOTPCREL(%%rip), %0\n" - : "=r"(entrypoint)); - return entrypoint; - } - - #define LSS_ENTRYPOINT \ - ".bss\n" \ - ".align 8\n" \ - ".globl " SYS_SYSCALL_ENTRYPOINT "\n" \ - ".common " SYS_SYSCALL_ENTRYPOINT ",8,8\n" \ - ".previous\n" \ - "mov " SYS_SYSCALL_ENTRYPOINT "@GOTPCREL(%%rip), %%rcx\n" \ - "mov 0(%%rcx), %%rcx\n" \ - "test %%rcx, %%rcx\n" \ - "jz 10001f\n" \ - "call *%%rcx\n" \ - "jmp 10002f\n" \ - "10001:syscall\n" \ - "10002:\n" - - #else - #define LSS_ENTRYPOINT "syscall\n" - #endif - - /* The x32 ABI has 32 bit longs, but the syscall interface is 64 bit. - * We need to explicitly cast to an unsigned 64 bit type to avoid implicit - * sign extension. We can't cast pointers directly because those are - * 32 bits, and gcc will dump ugly warnings about casting from a pointer - * to an integer of a different size. - */ - #undef LSS_SYSCALL_ARG - #define LSS_SYSCALL_ARG(a) ((uint64_t)(uintptr_t)(a)) - #undef _LSS_RETURN - #define _LSS_RETURN(type, res, cast) \ - do { \ - if ((uint64_t)(res) >= (uint64_t)(-4095)) { \ - LSS_ERRNO = -(res); \ - res = -1; \ - } \ - return (type)(cast)(res); \ - } while (0) - #undef LSS_RETURN - #define LSS_RETURN(type, res) _LSS_RETURN(type, res, uintptr_t) - - #undef _LSS_BODY - #define _LSS_BODY(nr, type, name, cast, ...) \ - long long __res; \ - __asm__ __volatile__(LSS_BODY_ASM##nr LSS_ENTRYPOINT \ - : "=a" (__res) \ - : "0" (__NR_##name) LSS_BODY_ARG##nr(__VA_ARGS__) \ - : LSS_BODY_CLOBBER##nr "r11", "rcx", "memory"); \ - _LSS_RETURN(type, __res, cast) - #undef LSS_BODY - #define LSS_BODY(nr, type, name, args...) \ - _LSS_BODY(nr, type, name, uintptr_t, ## args) - - #undef LSS_BODY_ASM0 - #undef LSS_BODY_ASM1 - #undef LSS_BODY_ASM2 - #undef LSS_BODY_ASM3 - #undef LSS_BODY_ASM4 - #undef LSS_BODY_ASM5 - #undef LSS_BODY_ASM6 - #define LSS_BODY_ASM0 - #define LSS_BODY_ASM1 LSS_BODY_ASM0 - #define LSS_BODY_ASM2 LSS_BODY_ASM1 - #define LSS_BODY_ASM3 LSS_BODY_ASM2 - #define LSS_BODY_ASM4 LSS_BODY_ASM3 "movq %5,%%r10;" - #define LSS_BODY_ASM5 LSS_BODY_ASM4 "movq %6,%%r8;" - #define LSS_BODY_ASM6 LSS_BODY_ASM5 "movq %7,%%r9;" - - #undef LSS_BODY_CLOBBER0 - #undef LSS_BODY_CLOBBER1 - #undef LSS_BODY_CLOBBER2 - #undef LSS_BODY_CLOBBER3 - #undef LSS_BODY_CLOBBER4 - #undef LSS_BODY_CLOBBER5 - #undef LSS_BODY_CLOBBER6 - #define LSS_BODY_CLOBBER0 - #define LSS_BODY_CLOBBER1 LSS_BODY_CLOBBER0 - #define LSS_BODY_CLOBBER2 LSS_BODY_CLOBBER1 - #define LSS_BODY_CLOBBER3 LSS_BODY_CLOBBER2 - #define LSS_BODY_CLOBBER4 LSS_BODY_CLOBBER3 "r10", - #define LSS_BODY_CLOBBER5 LSS_BODY_CLOBBER4 "r8", - #define LSS_BODY_CLOBBER6 LSS_BODY_CLOBBER5 "r9", - - #undef LSS_BODY_ARG0 - #undef LSS_BODY_ARG1 - #undef LSS_BODY_ARG2 - #undef LSS_BODY_ARG3 - #undef LSS_BODY_ARG4 - #undef LSS_BODY_ARG5 - #undef LSS_BODY_ARG6 - #define LSS_BODY_ARG0() - #define LSS_BODY_ARG1(arg1) \ - LSS_BODY_ARG0(), "D" (arg1) - #define LSS_BODY_ARG2(arg1, arg2) \ - LSS_BODY_ARG1(arg1), "S" (arg2) - #define LSS_BODY_ARG3(arg1, arg2, arg3) \ - LSS_BODY_ARG2(arg1, arg2), "d" (arg3) - #define LSS_BODY_ARG4(arg1, arg2, arg3, arg4) \ - LSS_BODY_ARG3(arg1, arg2, arg3), "r" (arg4) - #define LSS_BODY_ARG5(arg1, arg2, arg3, arg4, arg5) \ - LSS_BODY_ARG4(arg1, arg2, arg3, arg4), "r" (arg5) - #define LSS_BODY_ARG6(arg1, arg2, arg3, arg4, arg5, arg6) \ - LSS_BODY_ARG5(arg1, arg2, arg3, arg4, arg5), "r" (arg6) - - #undef _syscall0 - #define _syscall0(type,name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(0, type, name); \ - } - #undef _syscall1 - #define _syscall1(type,name,type1,arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_BODY(1, type, name, LSS_SYSCALL_ARG(arg1)); \ - } - #undef _syscall2 - #define _syscall2(type,name,type1,arg1,type2,arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_BODY(2, type, name, LSS_SYSCALL_ARG(arg1), LSS_SYSCALL_ARG(arg2));\ - } - #undef _syscall3 - #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_BODY(3, type, name, LSS_SYSCALL_ARG(arg1), LSS_SYSCALL_ARG(arg2), \ - LSS_SYSCALL_ARG(arg3)); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_BODY(4, type, name, LSS_SYSCALL_ARG(arg1), LSS_SYSCALL_ARG(arg2), \ - LSS_SYSCALL_ARG(arg3), LSS_SYSCALL_ARG(arg4));\ - } - #undef _syscall5 - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_BODY(5, type, name, LSS_SYSCALL_ARG(arg1), LSS_SYSCALL_ARG(arg2), \ - LSS_SYSCALL_ARG(arg3), LSS_SYSCALL_ARG(arg4), \ - LSS_SYSCALL_ARG(arg5)); \ - } - #undef _syscall6 - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_BODY(6, type, name, LSS_SYSCALL_ARG(arg1), LSS_SYSCALL_ARG(arg2), \ - LSS_SYSCALL_ARG(arg3), LSS_SYSCALL_ARG(arg4), \ - LSS_SYSCALL_ARG(arg5), LSS_SYSCALL_ARG(arg6));\ - } - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long long __res; - { - __asm__ __volatile__(/* if (fn == NULL) - * return -EINVAL; - */ - "testq %4,%4\n" - "jz 1f\n" - - /* if (child_stack == NULL) - * return -EINVAL; - */ - "testq %5,%5\n" - "jz 1f\n" - - /* childstack -= 2*sizeof(void *); - */ - "subq $16,%5\n" - - /* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - "movq %7,8(%5)\n" - "movq %4,0(%5)\n" - - /* %rax = syscall(%rax = __NR_clone, - * %rdi = flags, - * %rsi = child_stack, - * %rdx = parent_tidptr, - * %r8 = new_tls, - * %r10 = child_tidptr) - */ - "movq %2,%%rax\n" - "movq %9,%%r8\n" - "movq %10,%%r10\n" - LSS_ENTRYPOINT - - /* if (%rax != 0) - * return; - */ - "testq %%rax,%%rax\n" - "jnz 1f\n" - - /* In the child. Terminate frame pointer chain. - */ - "xorq %%rbp,%%rbp\n" - - /* Call "fn(arg)". - */ - "popq %%rax\n" - "popq %%rdi\n" - "call *%%rax\n" - - /* Call _exit(%ebx). - */ - "movq %%rax,%%rdi\n" - "movq %3,%%rax\n" - LSS_ENTRYPOINT - - /* Return to parent. - */ - "1:\n" - : "=a" (__res) - : "0"(-EINVAL), "i"(__NR_clone), "i"(__NR_exit), - "r"(LSS_SYSCALL_ARG(fn)), - "S"(LSS_SYSCALL_ARG(child_stack)), - "D"(LSS_SYSCALL_ARG(flags)), - "r"(LSS_SYSCALL_ARG(arg)), - "d"(LSS_SYSCALL_ARG(parent_tidptr)), - "r"(LSS_SYSCALL_ARG(newtls)), - "r"(LSS_SYSCALL_ARG(child_tidptr)) - : "rsp", "memory", "r8", "r10", "r11", "rcx"); - } - LSS_RETURN(int, __res); - } - LSS_INLINE _syscall2(int, arch_prctl, int, c, void *, a) - - LSS_INLINE void (*LSS_NAME(restore_rt)(void))(void) { - /* On x86-64, the kernel does not know how to return from - * a signal handler. Instead, it relies on user space to provide a - * restorer function that calls the rt_sigreturn() system call. - * Unfortunately, we cannot just reference the glibc version of this - * function, as glibc goes out of its way to make it inaccessible. - */ - long long res; - __asm__ __volatile__("jmp 2f\n" - ".align 16\n" - "1:movq %1,%%rax\n" - LSS_ENTRYPOINT - "2:leaq 1b(%%rip),%0\n" - : "=r" (res) - : "i" (__NR_rt_sigreturn)); - return (void (*)(void))(uintptr_t)res; - } - #elif defined(__ARM_ARCH_3__) - /* Most definitions of _syscallX() neglect to mark "memory" as being - * clobbered. This causes problems with compilers, that do a better job - * at optimizing across __asm__ calls. - * So, we just have to redefine all of the _syscallX() macros. - */ - #undef LSS_REG - #define LSS_REG(r,a) register long __r##r __asm__("r"#r) = (long)a - #undef LSS_BODY - #define LSS_BODY(type,name,args...) \ - register long __res_r0 __asm__("r0"); \ - long __res; \ - __asm__ __volatile__ (__syscall(name) \ - : "=r"(__res_r0) : args : "lr", "memory"); \ - __res = __res_r0; \ - LSS_RETURN(type, __res) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(type, name); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_REG(0, arg1); LSS_BODY(type, name, "r"(__r0)); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1)); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2)); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3)); \ - } - #undef _syscall5 - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4)); \ - } - #undef _syscall6 - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); LSS_REG(5, arg6); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4), "r"(__r5)); \ - } - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long __res; - { - register int __flags __asm__("r0") = flags; - register void *__stack __asm__("r1") = child_stack; - register void *__ptid __asm__("r2") = parent_tidptr; - register void *__tls __asm__("r3") = newtls; - register int *__ctid __asm__("r4") = child_tidptr; - __asm__ __volatile__(/* if (fn == NULL || child_stack == NULL) - * return -EINVAL; - */ - "cmp %2,#0\n" - "cmpne %3,#0\n" - "moveq %0,%1\n" - "beq 1f\n" - - /* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - "str %5,[%3,#-4]!\n" - "str %2,[%3,#-4]!\n" - - /* %r0 = syscall(%r0 = flags, - * %r1 = child_stack, - * %r2 = parent_tidptr, - * %r3 = newtls, - * %r4 = child_tidptr) - */ - __syscall(clone)"\n" - - /* if (%r0 != 0) - * return %r0; - */ - "movs %0,r0\n" - "bne 1f\n" - - /* In the child, now. Call "fn(arg)". - */ - "ldr r0,[sp, #4]\n" - "mov lr,pc\n" - "ldr pc,[sp]\n" - - /* Call _exit(%r0). - */ - __syscall(exit)"\n" - "1:\n" - : "=r" (__res) - : "i"(-EINVAL), - "r"(fn), "r"(__stack), "r"(__flags), "r"(arg), - "r"(__ptid), "r"(__tls), "r"(__ctid) - : "cc", "lr", "memory"); - } - LSS_RETURN(int, __res); - } - #elif defined(__ARM_EABI__) - /* Most definitions of _syscallX() neglect to mark "memory" as being - * clobbered. This causes problems with compilers, that do a better job - * at optimizing across __asm__ calls. - * So, we just have to redefine all fo the _syscallX() macros. - */ - #undef LSS_REG - #define LSS_REG(r,a) register long __r##r __asm__("r"#r) = (long)a - #undef LSS_BODY - #define LSS_BODY(type,name,args...) \ - register long __res_r0 __asm__("r0"); \ - long __res; \ - __asm__ __volatile__ ("push {r7}\n" \ - "mov r7, %1\n" \ - "swi 0x0\n" \ - "pop {r7}\n" \ - : "=r"(__res_r0) \ - : "i"(__NR_##name) , ## args \ - : "lr", "memory"); \ - __res = __res_r0; \ - LSS_RETURN(type, __res) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(type, name); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_REG(0, arg1); LSS_BODY(type, name, "r"(__r0)); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1)); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2)); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3)); \ - } - #undef _syscall5 - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4)); \ - } - #undef _syscall6 - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); LSS_REG(5, arg6); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4), "r"(__r5)); \ - } - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long __res; - if (fn == NULL || child_stack == NULL) { - __res = -EINVAL; - LSS_RETURN(int, __res); - } - - /* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - { - uintptr_t* cstack = (uintptr_t*)child_stack - 2; - cstack[0] = (uintptr_t)fn; - cstack[1] = (uintptr_t)arg; - child_stack = cstack; - } - { - register int __flags __asm__("r0") = flags; - register void *__stack __asm__("r1") = child_stack; - register void *__ptid __asm__("r2") = parent_tidptr; - register void *__tls __asm__("r3") = newtls; - register int *__ctid __asm__("r4") = child_tidptr; - __asm__ __volatile__( -#ifdef __thumb2__ - "push {r7}\n" -#endif - /* %r0 = syscall(%r0 = flags, - * %r1 = child_stack, - * %r2 = parent_tidptr, - * %r3 = newtls, - * %r4 = child_tidptr) - */ - "mov r7, %6\n" - "swi 0x0\n" - - /* if (%r0 != 0) - * return %r0; - */ - "cmp r0, #0\n" - "bne 1f\n" - - /* In the child, now. Call "fn(arg)". - */ - "ldr r0,[sp, #4]\n" - - "ldr lr,[sp]\n" - "blx lr\n" - - /* Call _exit(%r0). - */ - "mov r7, %7\n" - "swi 0x0\n" - /* Unreachable */ - "bkpt #0\n" - "1:\n" -#ifdef __thumb2__ - "pop {r7}\n" -#endif - "movs %0,r0\n" - : "=r"(__res) - : "r"(__stack), "r"(__flags), "r"(__ptid), "r"(__tls), "r"(__ctid), - "i"(__NR_clone), "i"(__NR_exit) - : "cc", "lr", "memory" -#ifndef __thumb2__ - , "r7" -#endif - ); - } - LSS_RETURN(int, __res); - } - #elif defined(__aarch64__) - /* Most definitions of _syscallX() neglect to mark "memory" as being - * clobbered. This causes problems with compilers, that do a better job - * at optimizing across __asm__ calls. - * So, we just have to redefine all of the _syscallX() macros. - */ - #undef LSS_REG - #define LSS_REG(r,a) register int64_t __r##r __asm__("x"#r) = (int64_t)a - #undef LSS_BODY - #define LSS_BODY(type,name,args...) \ - register int64_t __res_x0 __asm__("x0"); \ - int64_t __res; \ - __asm__ __volatile__ ("mov x8, %1\n" \ - "svc 0x0\n" \ - : "=r"(__res_x0) \ - : "i"(__NR_##name) , ## args \ - : "x8", "memory"); \ - __res = __res_x0; \ - LSS_RETURN(type, __res) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(type, name); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_REG(0, arg1); LSS_BODY(type, name, "r"(__r0)); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1)); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2)); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3)); \ - } - #undef _syscall5 - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4)); \ - } - #undef _syscall6 - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_REG(0, arg1); LSS_REG(1, arg2); LSS_REG(2, arg3); \ - LSS_REG(3, arg4); LSS_REG(4, arg5); LSS_REG(5, arg6); \ - LSS_BODY(type, name, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), \ - "r"(__r4), "r"(__r5)); \ - } - - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - int64_t __res; - { - register uint64_t __flags __asm__("x0") = flags; - register void *__stack __asm__("x1") = child_stack; - register void *__ptid __asm__("x2") = parent_tidptr; - register void *__tls __asm__("x3") = newtls; - register int *__ctid __asm__("x4") = child_tidptr; - __asm__ __volatile__(/* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - "stp %1, %4, [%2, #-16]!\n" - - /* %x0 = syscall(%x0 = flags, - * %x1 = child_stack, - * %x2 = parent_tidptr, - * %x3 = newtls, - * %x4 = child_tidptr) - */ - "mov x8, %8\n" - "svc 0x0\n" - - /* if (%r0 != 0) - * return %r0; - */ - "mov %0, x0\n" - "cbnz x0, 1f\n" - - /* In the child, now. Call "fn(arg)". - */ - "ldp x1, x0, [sp], #16\n" - "blr x1\n" - - /* Call _exit(%r0). - */ - "mov x8, %9\n" - "svc 0x0\n" - "1:\n" - : "=r" (__res) - : "r"(fn), "r"(__stack), "r"(__flags), "r"(arg), - "r"(__ptid), "r"(__tls), "r"(__ctid), - "i"(__NR_clone), "i"(__NR_exit) - : "cc", "x8", "memory"); - } - LSS_RETURN(int, __res); - } - #elif defined(__mips__) - #undef LSS_REG - #define LSS_REG(r,a) register unsigned long __r##r __asm__("$"#r) = \ - (unsigned long)(a) - #undef LSS_BODY - #undef LSS_SYSCALL_CLOBBERS - #if _MIPS_SIM == _MIPS_SIM_ABI32 - #define LSS_SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", \ - "$11", "$12", "$13", "$14", "$15", \ - "$24", "$25", "hi", "lo", "memory" - #else - #define LSS_SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", \ - "$13", "$14", "$15", "$24", "$25", \ - "hi", "lo", "memory" - #endif - #define LSS_BODY(type,name,r7,...) \ - register unsigned long __v0 __asm__("$2") = __NR_##name; \ - __asm__ __volatile__ ("syscall\n" \ - : "=r"(__v0), r7 (__r7) \ - : "0"(__v0), ##__VA_ARGS__ \ - : LSS_SYSCALL_CLOBBERS); \ - LSS_RETURN(type, __v0, __r7) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - register unsigned long __r7 __asm__("$7"); \ - LSS_BODY(type, name, "=r"); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - register unsigned long __r7 __asm__("$7"); \ - LSS_REG(4, arg1); LSS_BODY(type, name, "=r", "r"(__r4)); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - register unsigned long __r7 __asm__("$7"); \ - LSS_REG(4, arg1); LSS_REG(5, arg2); \ - LSS_BODY(type, name, "=r", "r"(__r4), "r"(__r5)); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - register unsigned long __r7 __asm__("$7"); \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_BODY(type, name, "=r", "r"(__r4), "r"(__r5), "r"(__r6)); \ - } - #undef _syscall4 - #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_REG(7, arg4); \ - LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6)); \ - } - #undef _syscall5 - #if _MIPS_SIM == _MIPS_SIM_ABI32 - /* The old 32bit MIPS system call API passes the fifth and sixth argument - * on the stack, whereas the new APIs use registers "r8" and "r9". - */ - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_REG(7, arg4); \ - register unsigned long __v0 __asm__("$2") = __NR_##name; \ - __asm__ __volatile__ (".set noreorder\n" \ - "subu $29, 32\n" \ - "sw %5, 16($29)\n" \ - "syscall\n" \ - "addiu $29, 32\n" \ - ".set reorder\n" \ - : "+r"(__v0), "+r" (__r7) \ - : "r"(__r4), "r"(__r5), \ - "r"(__r6), "r" ((unsigned long)arg5) \ - : "$8", "$9", "$10", "$11", "$12", \ - "$13", "$14", "$15", "$24", "$25", \ - "memory"); \ - LSS_RETURN(type, __v0, __r7); \ - } - #else - #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_REG(7, arg4); LSS_REG(8, arg5); \ - LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6), \ - "r"(__r8)); \ - } - #endif - #undef _syscall6 - #if _MIPS_SIM == _MIPS_SIM_ABI32 - /* The old 32bit MIPS system call API passes the fifth and sixth argument - * on the stack, whereas the new APIs use registers "r8" and "r9". - */ - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_REG(7, arg4); \ - register unsigned long __v0 __asm__("$2") = __NR_##name; \ - __asm__ __volatile__ (".set noreorder\n" \ - "subu $29, 32\n" \ - "sw %5, 16($29)\n" \ - "sw %6, 20($29)\n" \ - "syscall\n" \ - "addiu $29, 32\n" \ - ".set reorder\n" \ - : "+r"(__v0), "+r" (__r7) \ - : "r"(__r4), "r"(__r5), \ - "r"(__r6), "r" ((unsigned long)arg5), \ - "r" ((unsigned long)arg6) \ - : "$8", "$9", "$10", "$11", "$12", \ - "$13", "$14", "$15", "$24", "$25", \ - "memory"); \ - LSS_RETURN(type, __v0, __r7); \ - } - #else - #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ - type5,arg5,type6,arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5,type6 arg6) { \ - LSS_REG(4, arg1); LSS_REG(5, arg2); LSS_REG(6, arg3); \ - LSS_REG(7, arg4); LSS_REG(8, arg5); LSS_REG(9, arg6); \ - LSS_BODY(type, name, "+r", "r"(__r4), "r"(__r5), "r"(__r6), \ - "r"(__r8), "r"(__r9)); \ - } - #endif - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - register unsigned long __v0 __asm__("$2") = -EINVAL; - register unsigned long __r7 __asm__("$7") = (unsigned long)newtls; - { - register int __flags __asm__("$4") = flags; - register void *__stack __asm__("$5") = child_stack; - register void *__ptid __asm__("$6") = parent_tidptr; - register int *__ctid __asm__("$8") = child_tidptr; - __asm__ __volatile__( - #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 - "subu $29,24\n" - #elif _MIPS_SIM == _MIPS_SIM_NABI32 - "sub $29,16\n" - #else - "dsubu $29,16\n" - #endif - - /* if (fn == NULL || child_stack == NULL) - * return -EINVAL; - */ - "beqz %4,1f\n" - "beqz %5,1f\n" - - /* Push "arg" and "fn" onto the stack that will be - * used by the child. - */ - #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 - "subu %5,32\n" - "sw %4,0(%5)\n" - "sw %7,4(%5)\n" - #elif _MIPS_SIM == _MIPS_SIM_NABI32 - "sub %5,32\n" - "sw %4,0(%5)\n" - "sw %7,8(%5)\n" - #else - "dsubu %5,32\n" - "sd %4,0(%5)\n" - "sd %7,8(%5)\n" - #endif - - /* $7 = syscall($4 = flags, - * $5 = child_stack, - * $6 = parent_tidptr, - * $7 = newtls, - * $8 = child_tidptr) - */ - "li $2,%2\n" - "syscall\n" - - /* if ($7 != 0) - * return $2; - */ - "bnez $7,1f\n" - "bnez $2,1f\n" - - /* In the child, now. Call "fn(arg)". - */ - #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 - "lw $25,0($29)\n" - "lw $4,4($29)\n" - #elif _MIPS_SIM == _MIPS_SIM_NABI32 - "lw $25,0($29)\n" - "lw $4,8($29)\n" - #else - "ld $25,0($29)\n" - "ld $4,8($29)\n" - #endif - "jalr $25\n" - - /* Call _exit($2) - */ - "move $4,$2\n" - "li $2,%3\n" - "syscall\n" - - "1:\n" - #if _MIPS_SIM == _MIPS_SIM_ABI32 && _MIPS_SZPTR == 32 - "addu $29, 24\n" - #elif _MIPS_SIM == _MIPS_SIM_NABI32 - "add $29, 16\n" - #else - "daddu $29,16\n" - #endif - : "+r" (__v0), "+r" (__r7) - : "i"(__NR_clone), "i"(__NR_exit), "r"(fn), - "r"(__stack), "r"(__flags), "r"(arg), - "r"(__ptid), "r"(__ctid) - : "$9", "$10", "$11", "$12", "$13", "$14", "$15", - "$24", "$25", "memory"); - } - LSS_RETURN(int, __v0, __r7); - } - #elif defined (__PPC__) - #undef LSS_LOADARGS_0 - #define LSS_LOADARGS_0(name, dummy...) \ - __sc_0 = __NR_##name - #undef LSS_LOADARGS_1 - #define LSS_LOADARGS_1(name, arg1) \ - LSS_LOADARGS_0(name); \ - __sc_3 = (unsigned long) (arg1) - #undef LSS_LOADARGS_2 - #define LSS_LOADARGS_2(name, arg1, arg2) \ - LSS_LOADARGS_1(name, arg1); \ - __sc_4 = (unsigned long) (arg2) - #undef LSS_LOADARGS_3 - #define LSS_LOADARGS_3(name, arg1, arg2, arg3) \ - LSS_LOADARGS_2(name, arg1, arg2); \ - __sc_5 = (unsigned long) (arg3) - #undef LSS_LOADARGS_4 - #define LSS_LOADARGS_4(name, arg1, arg2, arg3, arg4) \ - LSS_LOADARGS_3(name, arg1, arg2, arg3); \ - __sc_6 = (unsigned long) (arg4) - #undef LSS_LOADARGS_5 - #define LSS_LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5) \ - LSS_LOADARGS_4(name, arg1, arg2, arg3, arg4); \ - __sc_7 = (unsigned long) (arg5) - #undef LSS_LOADARGS_6 - #define LSS_LOADARGS_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \ - LSS_LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5); \ - __sc_8 = (unsigned long) (arg6) - #undef LSS_ASMINPUT_0 - #define LSS_ASMINPUT_0 "0" (__sc_0) - #undef LSS_ASMINPUT_1 - #define LSS_ASMINPUT_1 LSS_ASMINPUT_0, "1" (__sc_3) - #undef LSS_ASMINPUT_2 - #define LSS_ASMINPUT_2 LSS_ASMINPUT_1, "2" (__sc_4) - #undef LSS_ASMINPUT_3 - #define LSS_ASMINPUT_3 LSS_ASMINPUT_2, "3" (__sc_5) - #undef LSS_ASMINPUT_4 - #define LSS_ASMINPUT_4 LSS_ASMINPUT_3, "4" (__sc_6) - #undef LSS_ASMINPUT_5 - #define LSS_ASMINPUT_5 LSS_ASMINPUT_4, "5" (__sc_7) - #undef LSS_ASMINPUT_6 - #define LSS_ASMINPUT_6 LSS_ASMINPUT_5, "6" (__sc_8) - #undef LSS_BODY - #define LSS_BODY(nr, type, name, args...) \ - long __sc_ret, __sc_err; \ - { \ - register unsigned long __sc_0 __asm__ ("r0"); \ - register unsigned long __sc_3 __asm__ ("r3"); \ - register unsigned long __sc_4 __asm__ ("r4"); \ - register unsigned long __sc_5 __asm__ ("r5"); \ - register unsigned long __sc_6 __asm__ ("r6"); \ - register unsigned long __sc_7 __asm__ ("r7"); \ - register unsigned long __sc_8 __asm__ ("r8"); \ - \ - LSS_LOADARGS_##nr(name, args); \ - __asm__ __volatile__ \ - ("sc\n\t" \ - "mfcr %0" \ - : "=&r" (__sc_0), \ - "=&r" (__sc_3), "=&r" (__sc_4), \ - "=&r" (__sc_5), "=&r" (__sc_6), \ - "=&r" (__sc_7), "=&r" (__sc_8) \ - : LSS_ASMINPUT_##nr \ - : "cr0", "ctr", "memory", \ - "r9", "r10", "r11", "r12"); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - LSS_RETURN(type, __sc_ret, __sc_err) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(0, type, name); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_BODY(1, type, name, arg1); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_BODY(2, type, name, arg1, arg2); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_BODY(3, type, name, arg1, arg2, arg3); \ - } - #undef _syscall4 - #define _syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - LSS_BODY(4, type, name, arg1, arg2, arg3, arg4); \ - } - #undef _syscall5 - #define _syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4, type5, arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5) { \ - LSS_BODY(5, type, name, arg1, arg2, arg3, arg4, arg5); \ - } - #undef _syscall6 - #define _syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4, type5, arg5, type6, arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ - type5 arg5, type6 arg6) { \ - LSS_BODY(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \ - } - /* clone function adapted from glibc 2.3.6 clone.S */ - /* TODO(csilvers): consider wrapping some args up in a struct, like we - * do for i386's _syscall6, so we can compile successfully on gcc 2.95 - */ - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long __ret, __err; - { - register int (*__fn)(void *) __asm__ ("r8") = fn; - register void *__cstack __asm__ ("r4") = child_stack; - register int __flags __asm__ ("r3") = flags; - register void * __arg __asm__ ("r9") = arg; - register int * __ptidptr __asm__ ("r5") = parent_tidptr; - register void * __newtls __asm__ ("r6") = newtls; - register int * __ctidptr __asm__ ("r7") = child_tidptr; - __asm__ __volatile__( - /* check for fn == NULL - * and child_stack == NULL - */ - "cmpwi cr0, %6, 0\n\t" - "cmpwi cr1, %7, 0\n\t" - "cror cr0*4+eq, cr1*4+eq, cr0*4+eq\n\t" - "beq- cr0, 1f\n\t" - - /* set up stack frame for child */ - "clrrwi %7, %7, 4\n\t" - "li 0, 0\n\t" - "stwu 0, -16(%7)\n\t" - - /* fn, arg, child_stack are saved across the syscall: r28-30 */ - "mr 28, %6\n\t" - "mr 29, %7\n\t" - "mr 27, %9\n\t" - - /* syscall */ - "li 0, %4\n\t" - /* flags already in r3 - * child_stack already in r4 - * ptidptr already in r5 - * newtls already in r6 - * ctidptr already in r7 - */ - "sc\n\t" - - /* Test if syscall was successful */ - "cmpwi cr1, 3, 0\n\t" - "crandc cr1*4+eq, cr1*4+eq, cr0*4+so\n\t" - "bne- cr1, 1f\n\t" - - /* Do the function call */ - "mtctr 28\n\t" - "mr 3, 27\n\t" - "bctrl\n\t" - - /* Call _exit(r3) */ - "li 0, %5\n\t" - "sc\n\t" - - /* Return to parent */ - "1:\n" - "mfcr %1\n\t" - "mr %0, 3\n\t" - : "=r" (__ret), "=r" (__err) - : "0" (-1), "1" (EINVAL), - "i" (__NR_clone), "i" (__NR_exit), - "r" (__fn), "r" (__cstack), "r" (__flags), - "r" (__arg), "r" (__ptidptr), "r" (__newtls), - "r" (__ctidptr) - : "cr0", "cr1", "memory", "ctr", - "r0", "r29", "r27", "r28"); - } - LSS_RETURN(int, __ret, __err); - } - #elif defined(__s390__) - #undef LSS_REG - #define LSS_REG(r, a) register unsigned long __r##r __asm__("r"#r) = (unsigned long) a - #undef LSS_BODY - #define LSS_BODY(type, name, args...) \ - register unsigned long __nr __asm__("r1") \ - = (unsigned long)(__NR_##name); \ - register long __res_r2 __asm__("r2"); \ - long __res; \ - __asm__ __volatile__ \ - ("svc 0\n\t" \ - : "=d"(__res_r2) \ - : "d"(__nr), ## args \ - : "memory"); \ - __res = __res_r2; \ - LSS_RETURN(type, __res) - #undef _syscall0 - #define _syscall0(type, name) \ - type LSS_NAME(name)(void) { \ - LSS_BODY(type, name); \ - } - #undef _syscall1 - #define _syscall1(type, name, type1, arg1) \ - type LSS_NAME(name)(type1 arg1) { \ - LSS_REG(2, arg1); \ - LSS_BODY(type, name, "0"(__r2)); \ - } - #undef _syscall2 - #define _syscall2(type, name, type1, arg1, type2, arg2) \ - type LSS_NAME(name)(type1 arg1, type2 arg2) { \ - LSS_REG(2, arg1); LSS_REG(3, arg2); \ - LSS_BODY(type, name, "0"(__r2), "d"(__r3)); \ - } - #undef _syscall3 - #define _syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3) { \ - LSS_REG(2, arg1); LSS_REG(3, arg2); LSS_REG(4, arg3); \ - LSS_BODY(type, name, "0"(__r2), "d"(__r3), "d"(__r4)); \ - } - #undef _syscall4 - #define _syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, \ - type4 arg4) { \ - LSS_REG(2, arg1); LSS_REG(3, arg2); LSS_REG(4, arg3); \ - LSS_REG(5, arg4); \ - LSS_BODY(type, name, "0"(__r2), "d"(__r3), "d"(__r4), \ - "d"(__r5)); \ - } - #undef _syscall5 - #define _syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4, type5, arg5) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, \ - type4 arg4, type5 arg5) { \ - LSS_REG(2, arg1); LSS_REG(3, arg2); LSS_REG(4, arg3); \ - LSS_REG(5, arg4); LSS_REG(6, arg5); \ - LSS_BODY(type, name, "0"(__r2), "d"(__r3), "d"(__r4), \ - "d"(__r5), "d"(__r6)); \ - } - #undef _syscall6 - #define _syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ - type4, arg4, type5, arg5, type6, arg6) \ - type LSS_NAME(name)(type1 arg1, type2 arg2, type3 arg3, \ - type4 arg4, type5 arg5, type6 arg6) { \ - LSS_REG(2, arg1); LSS_REG(3, arg2); LSS_REG(4, arg3); \ - LSS_REG(5, arg4); LSS_REG(6, arg5); LSS_REG(7, arg6); \ - LSS_BODY(type, name, "0"(__r2), "d"(__r3), "d"(__r4), \ - "d"(__r5), "d"(__r6), "d"(__r7)); \ - } - LSS_INLINE int LSS_NAME(clone)(int (*fn)(void *), void *child_stack, - int flags, void *arg, int *parent_tidptr, - void *newtls, int *child_tidptr) { - long __ret; - { - register int (*__fn)(void *) __asm__ ("r1") = fn; - register void *__cstack __asm__ ("r2") = child_stack; - register int __flags __asm__ ("r3") = flags; - register void *__arg __asm__ ("r0") = arg; - register int *__ptidptr __asm__ ("r4") = parent_tidptr; - register void *__newtls __asm__ ("r6") = newtls; - register int *__ctidptr __asm__ ("r5") = child_tidptr; - __asm__ __volatile__ ( - #ifndef __s390x__ - /* arg already in r0 */ - "ltr %4, %4\n\t" /* check fn, which is already in r1 */ - "jz 1f\n\t" /* NULL function pointer, return -EINVAL */ - "ltr %5, %5\n\t" /* check child_stack, which is already in r2 */ - "jz 1f\n\t" /* NULL stack pointer, return -EINVAL */ - /* flags already in r3 */ - /* parent_tidptr already in r4 */ - /* child_tidptr already in r5 */ - /* newtls already in r6 */ - "svc %2\n\t" /* invoke clone syscall */ - "ltr %0,%%r2\n\t" /* load return code into __ret and test */ - "jnz 1f\n\t" /* return to parent if non-zero */ - /* start child thread */ - "lr %%r2, %7\n\t" /* set first parameter to void *arg */ - "ahi %%r15, -96\n\t" /* make room on the stack for the save area */ - "xc 0(4,%%r15), 0(%%r15)\n\t" - "basr %%r14, %4\n\t" /* jump to fn */ - "svc %3\n" /* invoke exit syscall */ - "1:\n" - #else - /* arg already in r0 */ - "ltgr %4, %4\n\t" /* check fn, which is already in r1 */ - "jz 1f\n\t" /* NULL function pointer, return -EINVAL */ - "ltgr %5, %5\n\t" /* check child_stack, which is already in r2 */ - "jz 1f\n\t" /* NULL stack pointer, return -EINVAL */ - /* flags already in r3 */ - /* parent_tidptr already in r4 */ - /* child_tidptr already in r5 */ - /* newtls already in r6 */ - "svc %2\n\t" /* invoke clone syscall */ - "ltgr %0, %%r2\n\t" /* load return code into __ret and test */ - "jnz 1f\n\t" /* return to parent if non-zero */ - /* start child thread */ - "lgr %%r2, %7\n\t" /* set first parameter to void *arg */ - "aghi %%r15, -160\n\t" /* make room on the stack for the save area */ - "xc 0(8,%%r15), 0(%%r15)\n\t" - "basr %%r14, %4\n\t" /* jump to fn */ - "svc %3\n" /* invoke exit syscall */ - "1:\n" - #endif - : "=r" (__ret) - : "0" (-EINVAL), "i" (__NR_clone), "i" (__NR_exit), - "d" (__fn), "d" (__cstack), "d" (__flags), "d" (__arg), - "d" (__ptidptr), "d" (__newtls), "d" (__ctidptr) - : "cc", "r14", "memory" - ); - } - LSS_RETURN(int, __ret); - } - #endif - #define __NR__exit __NR_exit - #define __NR__gettid __NR_gettid - #define __NR__mremap __NR_mremap - LSS_INLINE _syscall1(void *, brk, void *, e) - LSS_INLINE _syscall1(int, chdir, const char *,p) - LSS_INLINE _syscall1(int, close, int, f) - LSS_INLINE _syscall2(int, clock_getres, int, c, - struct kernel_timespec*, t) - LSS_INLINE _syscall2(int, clock_gettime, int, c, - struct kernel_timespec*, t) - LSS_INLINE _syscall1(int, dup, int, f) - #if !defined(__aarch64__) - // The dup2 syscall has been deprecated on aarch64. We polyfill it below. - LSS_INLINE _syscall2(int, dup2, int, s, - int, d) - #endif - LSS_INLINE _syscall3(int, execve, const char*, f, - const char*const*,a,const char*const*, e) - LSS_INLINE _syscall1(int, _exit, int, e) - LSS_INLINE _syscall1(int, exit_group, int, e) - LSS_INLINE _syscall3(int, fcntl, int, f, - int, c, long, a) - #if !defined(__aarch64__) - // The fork syscall has been deprecated on aarch64. We polyfill it below. - LSS_INLINE _syscall0(pid_t, fork) - #endif - LSS_INLINE _syscall2(int, fstat, int, f, - struct kernel_stat*, b) - LSS_INLINE _syscall2(int, fstatfs, int, f, - struct kernel_statfs*, b) - #if defined(__x86_64__) - /* Need to make sure off_t isn't truncated to 32-bits under x32. */ - LSS_INLINE int LSS_NAME(ftruncate)(int f, off_t l) { - LSS_BODY(2, int, ftruncate, LSS_SYSCALL_ARG(f), (uint64_t)(l)); - } - #else - LSS_INLINE _syscall2(int, ftruncate, int, f, - off_t, l) - #endif - LSS_INLINE _syscall4(int, futex, int*, a, - int, o, int, v, - struct kernel_timespec*, t) - LSS_INLINE _syscall3(int, getdents, int, f, - struct kernel_dirent*, d, int, c) - LSS_INLINE _syscall3(int, getdents64, int, f, - struct kernel_dirent64*, d, int, c) - LSS_INLINE _syscall0(gid_t, getegid) - LSS_INLINE _syscall0(uid_t, geteuid) - #if !defined(__aarch64__) - // The getgprp syscall has been deprecated on aarch64. - LSS_INLINE _syscall0(pid_t, getpgrp) - #endif - LSS_INLINE _syscall0(pid_t, getpid) - LSS_INLINE _syscall0(pid_t, getppid) - LSS_INLINE _syscall2(int, getpriority, int, a, - int, b) - LSS_INLINE _syscall3(int, getresgid, gid_t *, r, - gid_t *, e, gid_t *, s) - LSS_INLINE _syscall3(int, getresuid, uid_t *, r, - uid_t *, e, uid_t *, s) -#if !defined(__ARM_EABI__) - LSS_INLINE _syscall2(int, getrlimit, int, r, - struct kernel_rlimit*, l) -#endif - LSS_INLINE _syscall1(pid_t, getsid, pid_t, p) - LSS_INLINE _syscall0(pid_t, _gettid) - LSS_INLINE _syscall2(pid_t, gettimeofday, struct kernel_timeval*, t, - void*, tz) - LSS_INLINE _syscall5(int, setxattr, const char *,p, - const char *, n, const void *,v, - size_t, s, int, f) - LSS_INLINE _syscall5(int, lsetxattr, const char *,p, - const char *, n, const void *,v, - size_t, s, int, f) - LSS_INLINE _syscall4(ssize_t, getxattr, const char *,p, - const char *, n, void *, v, size_t, s) - LSS_INLINE _syscall4(ssize_t, lgetxattr, const char *,p, - const char *, n, void *, v, size_t, s) - LSS_INLINE _syscall3(ssize_t, listxattr, const char *,p, - char *, l, size_t, s) - LSS_INLINE _syscall3(ssize_t, llistxattr, const char *,p, - char *, l, size_t, s) - LSS_INLINE _syscall3(int, ioctl, int, d, - int, r, void *, a) - LSS_INLINE _syscall2(int, ioprio_get, int, which, - int, who) - LSS_INLINE _syscall3(int, ioprio_set, int, which, - int, who, int, ioprio) - LSS_INLINE _syscall2(int, kill, pid_t, p, - int, s) - #if defined(__x86_64__) - /* Need to make sure off_t isn't truncated to 32-bits under x32. */ - LSS_INLINE off_t LSS_NAME(lseek)(int f, off_t o, int w) { - _LSS_BODY(3, off_t, lseek, off_t, LSS_SYSCALL_ARG(f), (uint64_t)(o), - LSS_SYSCALL_ARG(w)); - } - #else - LSS_INLINE _syscall3(off_t, lseek, int, f, - off_t, o, int, w) - #endif - LSS_INLINE _syscall2(int, munmap, void*, s, - size_t, l) - LSS_INLINE _syscall6(long, move_pages, pid_t, p, - unsigned long, n, void **,g, int *, d, - int *, s, int, f) - LSS_INLINE _syscall3(int, mprotect, const void *,a, - size_t, l, int, p) - LSS_INLINE _syscall5(void*, _mremap, void*, o, - size_t, os, size_t, ns, - unsigned long, f, void *, a) - #if !defined(__aarch64__) - // The open and poll syscalls have been deprecated on aarch64. We polyfill - // them below. - LSS_INLINE _syscall3(int, open, const char*, p, - int, f, int, m) - LSS_INLINE _syscall3(int, poll, struct kernel_pollfd*, u, - unsigned int, n, int, t) - #endif - LSS_INLINE _syscall5(int, prctl, int, option, - unsigned long, arg2, - unsigned long, arg3, - unsigned long, arg4, - unsigned long, arg5) - LSS_INLINE _syscall4(long, ptrace, int, r, - pid_t, p, void *, a, void *, d) - #if defined(__NR_quotactl) - // Defined on x86_64 / i386 only - LSS_INLINE _syscall4(int, quotactl, int, cmd, const char *, special, - int, id, caddr_t, addr) - #endif - LSS_INLINE _syscall3(ssize_t, read, int, f, - void *, b, size_t, c) - #if !defined(__aarch64__) - // The readlink syscall has been deprecated on aarch64. We polyfill below. - LSS_INLINE _syscall3(int, readlink, const char*, p, - char*, b, size_t, s) - #endif - LSS_INLINE _syscall4(int, rt_sigaction, int, s, - const struct kernel_sigaction*, a, - struct kernel_sigaction*, o, size_t, c) - LSS_INLINE _syscall2(int, rt_sigpending, struct kernel_sigset_t *, s, - size_t, c) - LSS_INLINE _syscall4(int, rt_sigprocmask, int, h, - const struct kernel_sigset_t*, s, - struct kernel_sigset_t*, o, size_t, c) - LSS_INLINE _syscall2(int, rt_sigsuspend, - const struct kernel_sigset_t*, s, size_t, c) - LSS_INLINE _syscall3(int, sched_getaffinity,pid_t, p, - unsigned int, l, unsigned long *, m) - LSS_INLINE _syscall3(int, sched_setaffinity,pid_t, p, - unsigned int, l, unsigned long *, m) - LSS_INLINE _syscall0(int, sched_yield) - LSS_INLINE _syscall1(long, set_tid_address, int *, t) - LSS_INLINE _syscall1(int, setfsgid, gid_t, g) - LSS_INLINE _syscall1(int, setfsuid, uid_t, u) - LSS_INLINE _syscall1(int, setuid, uid_t, u) - LSS_INLINE _syscall1(int, setgid, gid_t, g) - LSS_INLINE _syscall2(int, setpgid, pid_t, p, - pid_t, g) - LSS_INLINE _syscall3(int, setpriority, int, a, - int, b, int, p) - LSS_INLINE _syscall3(int, setresgid, gid_t, r, - gid_t, e, gid_t, s) - LSS_INLINE _syscall3(int, setresuid, uid_t, r, - uid_t, e, uid_t, s) - LSS_INLINE _syscall2(int, setrlimit, int, r, - const struct kernel_rlimit*, l) - LSS_INLINE _syscall0(pid_t, setsid) - LSS_INLINE _syscall2(int, sigaltstack, const stack_t*, s, - const stack_t*, o) - #if defined(__NR_sigreturn) - LSS_INLINE _syscall1(int, sigreturn, unsigned long, u) - #endif - #if !defined(__aarch64__) - // The stat syscall has been deprecated on aarch64. We polyfill it below. - LSS_INLINE _syscall2(int, stat, const char*, f, - struct kernel_stat*, b) - #endif - LSS_INLINE _syscall2(int, statfs, const char*, f, - struct kernel_statfs*, b) - LSS_INLINE _syscall3(int, tgkill, pid_t, p, - pid_t, t, int, s) - LSS_INLINE _syscall2(int, tkill, pid_t, p, - int, s) - #if !defined(__aarch64__) - // The unlink syscall has been deprecated on aarch64. We polyfill it below. - LSS_INLINE _syscall1(int, unlink, const char*, f) - #endif - LSS_INLINE _syscall3(ssize_t, write, int, f, - const void *, b, size_t, c) - LSS_INLINE _syscall3(ssize_t, writev, int, f, - const struct kernel_iovec*, v, size_t, c) - #if defined(__NR_getcpu) - LSS_INLINE _syscall3(long, getcpu, unsigned *, cpu, - unsigned *, node, void *, unused) - #endif - #if defined(__x86_64__) || \ - (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI32) - LSS_INLINE _syscall3(int, recvmsg, int, s, - struct kernel_msghdr*, m, int, f) - LSS_INLINE _syscall3(int, sendmsg, int, s, - const struct kernel_msghdr*, m, int, f) - LSS_INLINE _syscall6(int, sendto, int, s, - const void*, m, size_t, l, - int, f, - const struct kernel_sockaddr*, a, int, t) - LSS_INLINE _syscall2(int, shutdown, int, s, - int, h) - LSS_INLINE _syscall3(int, socket, int, d, - int, t, int, p) - LSS_INLINE _syscall4(int, socketpair, int, d, - int, t, int, p, int*, s) - #endif - #if defined(__NR_fadvise64) - #if defined(__x86_64__) - /* Need to make sure loff_t isn't truncated to 32-bits under x32. */ - LSS_INLINE int LSS_NAME(fadvise64)(int fd, loff_t offset, loff_t len, - int advice) { - LSS_BODY(4, int, fadvise64, LSS_SYSCALL_ARG(fd), (uint64_t)(offset), - (uint64_t)(len), LSS_SYSCALL_ARG(advice)); - } - #else - LSS_INLINE _syscall4(int, fadvise64, - int, fd, loff_t, offset, loff_t, len, int, advice) - #endif - #elif defined(__i386__) - #define __NR__fadvise64_64 __NR_fadvise64_64 - LSS_INLINE _syscall6(int, _fadvise64_64, int, fd, - unsigned, offset_lo, unsigned, offset_hi, - unsigned, len_lo, unsigned, len_hi, - int, advice) - - LSS_INLINE int LSS_NAME(fadvise64)(int fd, loff_t offset, - loff_t len, int advice) { - return LSS_NAME(_fadvise64_64)(fd, - (unsigned)offset, (unsigned)(offset >>32), - (unsigned)len, (unsigned)(len >> 32), - advice); - } - - #elif defined(__s390__) && !defined(__s390x__) - #define __NR__fadvise64_64 __NR_fadvise64_64 - struct kernel_fadvise64_64_args { - int fd; - long long offset; - long long len; - int advice; - }; - - LSS_INLINE _syscall1(int, _fadvise64_64, - struct kernel_fadvise64_64_args *args) - - LSS_INLINE int LSS_NAME(fadvise64)(int fd, loff_t offset, - loff_t len, int advice) { - struct kernel_fadvise64_64_args args = { fd, offset, len, advice }; - return LSS_NAME(_fadvise64_64)(&args); - } - #endif - #if defined(__NR_fallocate) - #if defined(__x86_64__) - /* Need to make sure loff_t isn't truncated to 32-bits under x32. */ - LSS_INLINE int LSS_NAME(fallocate)(int f, int mode, loff_t offset, - loff_t len) { - LSS_BODY(4, int, fallocate, LSS_SYSCALL_ARG(f), LSS_SYSCALL_ARG(mode), - (uint64_t)(offset), (uint64_t)(len)); - } - #elif defined(__i386__) || (defined(__s390__) && !defined(__s390x__)) - #define __NR__fallocate __NR_fallocate - LSS_INLINE _syscall6(int, _fallocate, int, fd, - int, mode, - unsigned, offset_lo, unsigned, offset_hi, - unsigned, len_lo, unsigned, len_hi) - - LSS_INLINE int LSS_NAME(fallocate)(int fd, int mode, - loff_t offset, loff_t len) { - union { loff_t off; unsigned w[2]; } o = { offset }, l = { len }; - return LSS_NAME(_fallocate)(fd, mode, o.w[0], o.w[1], l.w[0], l.w[1]); - } - #else - LSS_INLINE _syscall4(int, fallocate, - int, f, int, mode, loff_t, offset, loff_t, len) - #endif - #endif - #if defined(__x86_64__) || defined(__s390x__) - LSS_INLINE int LSS_NAME(getresgid32)(gid_t *rgid, - gid_t *egid, - gid_t *sgid) { - return LSS_NAME(getresgid)(rgid, egid, sgid); - } - - LSS_INLINE int LSS_NAME(getresuid32)(uid_t *ruid, - uid_t *euid, - uid_t *suid) { - return LSS_NAME(getresuid)(ruid, euid, suid); - } - LSS_INLINE _syscall4(int, newfstatat, int, d, - const char *, p, - struct kernel_stat*, b, int, f) - - LSS_INLINE int LSS_NAME(setfsgid32)(gid_t gid) { - return LSS_NAME(setfsgid)(gid); - } - - LSS_INLINE int LSS_NAME(setfsuid32)(uid_t uid) { - return LSS_NAME(setfsuid)(uid); - } - - LSS_INLINE int LSS_NAME(setresgid32)(gid_t rgid, gid_t egid, gid_t sgid) { - return LSS_NAME(setresgid)(rgid, egid, sgid); - } - - LSS_INLINE int LSS_NAME(setresuid32)(uid_t ruid, uid_t euid, uid_t suid) { - return LSS_NAME(setresuid)(ruid, euid, suid); - } - - LSS_INLINE int LSS_NAME(sigaction)(int signum, - const struct kernel_sigaction *act, - struct kernel_sigaction *oldact) { - #if defined(__x86_64__) - /* On x86_64, the kernel requires us to always set our own - * SA_RESTORER in order to be able to return from a signal handler. - * This function must have a "magic" signature that the "gdb" - * (and maybe the kernel?) can recognize. - */ - if (act != NULL && !(act->sa_flags & SA_RESTORER)) { - struct kernel_sigaction a = *act; - a.sa_flags |= SA_RESTORER; - a.sa_restorer = LSS_NAME(restore_rt)(); - return LSS_NAME(rt_sigaction)(signum, &a, oldact, - (KERNEL_NSIG+7)/8); - } else - #endif - return LSS_NAME(rt_sigaction)(signum, act, oldact, - (KERNEL_NSIG+7)/8); - } - - LSS_INLINE int LSS_NAME(sigpending)(struct kernel_sigset_t *set) { - return LSS_NAME(rt_sigpending)(set, (KERNEL_NSIG+7)/8); - } - - LSS_INLINE int LSS_NAME(sigprocmask)(int how, - const struct kernel_sigset_t *set, - struct kernel_sigset_t *oldset) { - return LSS_NAME(rt_sigprocmask)(how, set, oldset, (KERNEL_NSIG+7)/8); - } - - LSS_INLINE int LSS_NAME(sigsuspend)(const struct kernel_sigset_t *set) { - return LSS_NAME(rt_sigsuspend)(set, (KERNEL_NSIG+7)/8); - } - #endif - #if defined(__x86_64__) || defined(__ARM_ARCH_3__) || \ - defined(__ARM_EABI__) || defined(__aarch64__) || \ - (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI32) || \ - defined(__s390__) - LSS_INLINE _syscall4(pid_t, wait4, pid_t, p, - int*, s, int, o, - struct kernel_rusage*, r) - - LSS_INLINE pid_t LSS_NAME(waitpid)(pid_t pid, int *status, int options){ - return LSS_NAME(wait4)(pid, status, options, 0); - } - #endif - #if defined(__NR_openat) - LSS_INLINE _syscall4(int, openat, int, d, const char *, p, int, f, int, m) - #endif - #if defined(__NR_unlinkat) - LSS_INLINE _syscall3(int, unlinkat, int, d, const char *, p, int, f) - #endif - #if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \ - (defined(__s390__) && !defined(__s390x__)) - #define __NR__getresgid32 __NR_getresgid32 - #define __NR__getresuid32 __NR_getresuid32 - #define __NR__setfsgid32 __NR_setfsgid32 - #define __NR__setfsuid32 __NR_setfsuid32 - #define __NR__setresgid32 __NR_setresgid32 - #define __NR__setresuid32 __NR_setresuid32 -#if defined(__ARM_EABI__) - LSS_INLINE _syscall2(int, ugetrlimit, int, r, - struct kernel_rlimit*, l) -#endif - LSS_INLINE _syscall3(int, _getresgid32, gid_t *, r, - gid_t *, e, gid_t *, s) - LSS_INLINE _syscall3(int, _getresuid32, uid_t *, r, - uid_t *, e, uid_t *, s) - LSS_INLINE _syscall1(int, _setfsgid32, gid_t, f) - LSS_INLINE _syscall1(int, _setfsuid32, uid_t, f) - LSS_INLINE _syscall3(int, _setresgid32, gid_t, r, - gid_t, e, gid_t, s) - LSS_INLINE _syscall3(int, _setresuid32, uid_t, r, - uid_t, e, uid_t, s) - - LSS_INLINE int LSS_NAME(getresgid32)(gid_t *rgid, - gid_t *egid, - gid_t *sgid) { - int rc; - if ((rc = LSS_NAME(_getresgid32)(rgid, egid, sgid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((rgid == NULL) || (egid == NULL) || (sgid == NULL)) { - return EFAULT; - } - // Clear the high bits first, since getresgid only sets 16 bits - *rgid = *egid = *sgid = 0; - rc = LSS_NAME(getresgid)(rgid, egid, sgid); - } - return rc; - } - - LSS_INLINE int LSS_NAME(getresuid32)(uid_t *ruid, - uid_t *euid, - uid_t *suid) { - int rc; - if ((rc = LSS_NAME(_getresuid32)(ruid, euid, suid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((ruid == NULL) || (euid == NULL) || (suid == NULL)) { - return EFAULT; - } - // Clear the high bits first, since getresuid only sets 16 bits - *ruid = *euid = *suid = 0; - rc = LSS_NAME(getresuid)(ruid, euid, suid); - } - return rc; - } - - LSS_INLINE int LSS_NAME(setfsgid32)(gid_t gid) { - int rc; - if ((rc = LSS_NAME(_setfsgid32)(gid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((unsigned int)gid & ~0xFFFFu) { - rc = EINVAL; - } else { - rc = LSS_NAME(setfsgid)(gid); - } - } - return rc; - } - - LSS_INLINE int LSS_NAME(setfsuid32)(uid_t uid) { - int rc; - if ((rc = LSS_NAME(_setfsuid32)(uid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((unsigned int)uid & ~0xFFFFu) { - rc = EINVAL; - } else { - rc = LSS_NAME(setfsuid)(uid); - } - } - return rc; - } - - LSS_INLINE int LSS_NAME(setresgid32)(gid_t rgid, gid_t egid, gid_t sgid) { - int rc; - if ((rc = LSS_NAME(_setresgid32)(rgid, egid, sgid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((unsigned int)rgid & ~0xFFFFu || - (unsigned int)egid & ~0xFFFFu || - (unsigned int)sgid & ~0xFFFFu) { - rc = EINVAL; - } else { - rc = LSS_NAME(setresgid)(rgid, egid, sgid); - } - } - return rc; - } - - LSS_INLINE int LSS_NAME(setresuid32)(uid_t ruid, uid_t euid, uid_t suid) { - int rc; - if ((rc = LSS_NAME(_setresuid32)(ruid, euid, suid)) < 0 && - LSS_ERRNO == ENOSYS) { - if ((unsigned int)ruid & ~0xFFFFu || - (unsigned int)euid & ~0xFFFFu || - (unsigned int)suid & ~0xFFFFu) { - rc = EINVAL; - } else { - rc = LSS_NAME(setresuid)(ruid, euid, suid); - } - } - return rc; - } - #endif - LSS_INLINE int LSS_NAME(sigemptyset)(struct kernel_sigset_t *set) { - memset(&set->sig, 0, sizeof(set->sig)); - return 0; - } - - LSS_INLINE int LSS_NAME(sigfillset)(struct kernel_sigset_t *set) { - memset(&set->sig, -1, sizeof(set->sig)); - return 0; - } - - LSS_INLINE int LSS_NAME(sigaddset)(struct kernel_sigset_t *set, - int signum) { - if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { - LSS_ERRNO = EINVAL; - return -1; - } else { - set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] - |= 1UL << ((signum - 1) % (8*sizeof(set->sig[0]))); - return 0; - } - } - - LSS_INLINE int LSS_NAME(sigdelset)(struct kernel_sigset_t *set, - int signum) { - if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { - LSS_ERRNO = EINVAL; - return -1; - } else { - set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] - &= ~(1UL << ((signum - 1) % (8*sizeof(set->sig[0])))); - return 0; - } - } - - LSS_INLINE int LSS_NAME(sigismember)(struct kernel_sigset_t *set, - int signum) { - if (signum < 1 || signum > (int)(8*sizeof(set->sig))) { - LSS_ERRNO = EINVAL; - return -1; - } else { - return !!(set->sig[(signum - 1)/(8*sizeof(set->sig[0]))] & - (1UL << ((signum - 1) % (8*sizeof(set->sig[0]))))); - } - } - #if defined(__i386__) || \ - defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \ - (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \ - defined(__PPC__) || \ - (defined(__s390__) && !defined(__s390x__)) - #define __NR__sigaction __NR_sigaction - #define __NR__sigpending __NR_sigpending - #define __NR__sigprocmask __NR_sigprocmask - #define __NR__sigsuspend __NR_sigsuspend - #define __NR__socketcall __NR_socketcall - LSS_INLINE _syscall2(int, fstat64, int, f, - struct kernel_stat64 *, b) - LSS_INLINE _syscall5(int, _llseek, uint, fd, - unsigned long, hi, unsigned long, lo, - loff_t *, res, uint, wh) -#if defined(__s390__) && !defined(__s390x__) - /* On s390, mmap2() arguments are passed in memory. */ - LSS_INLINE void* LSS_NAME(_mmap2)(void *s, size_t l, int p, int f, int d, - off_t o) { - unsigned long buf[6] = { (unsigned long) s, (unsigned long) l, - (unsigned long) p, (unsigned long) f, - (unsigned long) d, (unsigned long) o }; - LSS_REG(2, buf); - LSS_BODY(void*, mmap2, "0"(__r2)); - } -#else - #define __NR__mmap2 __NR_mmap2 - LSS_INLINE _syscall6(void*, _mmap2, void*, s, - size_t, l, int, p, - int, f, int, d, - off_t, o) -#endif - LSS_INLINE _syscall3(int, _sigaction, int, s, - const struct kernel_old_sigaction*, a, - struct kernel_old_sigaction*, o) - LSS_INLINE _syscall1(int, _sigpending, unsigned long*, s) - LSS_INLINE _syscall3(int, _sigprocmask, int, h, - const unsigned long*, s, - unsigned long*, o) - #ifdef __PPC__ - LSS_INLINE _syscall1(int, _sigsuspend, unsigned long, s) - #else - LSS_INLINE _syscall3(int, _sigsuspend, const void*, a, - int, b, - unsigned long, s) - #endif - LSS_INLINE _syscall2(int, stat64, const char *, p, - struct kernel_stat64 *, b) - - LSS_INLINE int LSS_NAME(sigaction)(int signum, - const struct kernel_sigaction *act, - struct kernel_sigaction *oldact) { - int old_errno = LSS_ERRNO; - int rc; - struct kernel_sigaction a; - if (act != NULL) { - a = *act; - #ifdef __i386__ - /* On i386, the kernel requires us to always set our own - * SA_RESTORER when using realtime signals. Otherwise, it does not - * know how to return from a signal handler. This function must have - * a "magic" signature that the "gdb" (and maybe the kernel?) can - * recognize. - * Apparently, a SA_RESTORER is implicitly set by the kernel, when - * using non-realtime signals. - * - * TODO: Test whether ARM needs a restorer - */ - if (!(a.sa_flags & SA_RESTORER)) { - a.sa_flags |= SA_RESTORER; - a.sa_restorer = (a.sa_flags & SA_SIGINFO) - ? LSS_NAME(restore_rt)() : LSS_NAME(restore)(); - } - #endif - } - rc = LSS_NAME(rt_sigaction)(signum, act ? &a : act, oldact, - (KERNEL_NSIG+7)/8); - if (rc < 0 && LSS_ERRNO == ENOSYS) { - struct kernel_old_sigaction oa, ooa, *ptr_a = &oa, *ptr_oa = &ooa; - if (!act) { - ptr_a = NULL; - } else { - oa.sa_handler_ = act->sa_handler_; - memcpy(&oa.sa_mask, &act->sa_mask, sizeof(oa.sa_mask)); - #ifndef __mips__ - oa.sa_restorer = act->sa_restorer; - #endif - oa.sa_flags = act->sa_flags; - } - if (!oldact) { - ptr_oa = NULL; - } - LSS_ERRNO = old_errno; - rc = LSS_NAME(_sigaction)(signum, ptr_a, ptr_oa); - if (rc == 0 && oldact) { - if (act) { - memcpy(oldact, act, sizeof(*act)); - } else { - memset(oldact, 0, sizeof(*oldact)); - } - oldact->sa_handler_ = ptr_oa->sa_handler_; - oldact->sa_flags = ptr_oa->sa_flags; - memcpy(&oldact->sa_mask, &ptr_oa->sa_mask, sizeof(ptr_oa->sa_mask)); - #ifndef __mips__ - oldact->sa_restorer = ptr_oa->sa_restorer; - #endif - } - } - return rc; - } - - LSS_INLINE int LSS_NAME(sigpending)(struct kernel_sigset_t *set) { - int old_errno = LSS_ERRNO; - int rc = LSS_NAME(rt_sigpending)(set, (KERNEL_NSIG+7)/8); - if (rc < 0 && LSS_ERRNO == ENOSYS) { - LSS_ERRNO = old_errno; - LSS_NAME(sigemptyset)(set); - rc = LSS_NAME(_sigpending)(&set->sig[0]); - } - return rc; - } - - LSS_INLINE int LSS_NAME(sigprocmask)(int how, - const struct kernel_sigset_t *set, - struct kernel_sigset_t *oldset) { - int olderrno = LSS_ERRNO; - int rc = LSS_NAME(rt_sigprocmask)(how, set, oldset, (KERNEL_NSIG+7)/8); - if (rc < 0 && LSS_ERRNO == ENOSYS) { - LSS_ERRNO = olderrno; - if (oldset) { - LSS_NAME(sigemptyset)(oldset); - } - rc = LSS_NAME(_sigprocmask)(how, - set ? &set->sig[0] : NULL, - oldset ? &oldset->sig[0] : NULL); - } - return rc; - } - - LSS_INLINE int LSS_NAME(sigsuspend)(const struct kernel_sigset_t *set) { - int olderrno = LSS_ERRNO; - int rc = LSS_NAME(rt_sigsuspend)(set, (KERNEL_NSIG+7)/8); - if (rc < 0 && LSS_ERRNO == ENOSYS) { - LSS_ERRNO = olderrno; - rc = LSS_NAME(_sigsuspend)( - #ifndef __PPC__ - set, 0, - #endif - set->sig[0]); - } - return rc; - } - #endif - #if defined(__i386__) || \ - defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \ - (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \ - defined(__PPC__) || \ - (defined(__s390__) && !defined(__s390x__)) - /* On these architectures, implement mmap() with mmap2(). */ - LSS_INLINE void* LSS_NAME(mmap)(void *s, size_t l, int p, int f, int d, - int64_t o) { - if (o % 4096) { - LSS_ERRNO = EINVAL; - return (void *) -1; - } - return LSS_NAME(_mmap2)(s, l, p, f, d, (o / 4096)); - } - #elif defined(__s390x__) - /* On s390x, mmap() arguments are passed in memory. */ - LSS_INLINE void* LSS_NAME(mmap)(void *s, size_t l, int p, int f, int d, - int64_t o) { - unsigned long buf[6] = { (unsigned long) s, (unsigned long) l, - (unsigned long) p, (unsigned long) f, - (unsigned long) d, (unsigned long) o }; - LSS_REG(2, buf); - LSS_BODY(void*, mmap, "0"(__r2)); - } - #elif defined(__x86_64__) - /* Need to make sure __off64_t isn't truncated to 32-bits under x32. */ - LSS_INLINE void* LSS_NAME(mmap)(void *s, size_t l, int p, int f, int d, - int64_t o) { - LSS_BODY(6, void*, mmap, LSS_SYSCALL_ARG(s), LSS_SYSCALL_ARG(l), - LSS_SYSCALL_ARG(p), LSS_SYSCALL_ARG(f), - LSS_SYSCALL_ARG(d), (uint64_t)(o)); - } - #else - /* Remaining 64-bit architectures. */ - LSS_INLINE _syscall6(void*, mmap, void*, addr, size_t, length, int, prot, - int, flags, int, fd, int64_t, offset) - #endif - #if defined(__PPC__) - #undef LSS_SC_LOADARGS_0 - #define LSS_SC_LOADARGS_0(dummy...) - #undef LSS_SC_LOADARGS_1 - #define LSS_SC_LOADARGS_1(arg1) \ - __sc_4 = (unsigned long) (arg1) - #undef LSS_SC_LOADARGS_2 - #define LSS_SC_LOADARGS_2(arg1, arg2) \ - LSS_SC_LOADARGS_1(arg1); \ - __sc_5 = (unsigned long) (arg2) - #undef LSS_SC_LOADARGS_3 - #define LSS_SC_LOADARGS_3(arg1, arg2, arg3) \ - LSS_SC_LOADARGS_2(arg1, arg2); \ - __sc_6 = (unsigned long) (arg3) - #undef LSS_SC_LOADARGS_4 - #define LSS_SC_LOADARGS_4(arg1, arg2, arg3, arg4) \ - LSS_SC_LOADARGS_3(arg1, arg2, arg3); \ - __sc_7 = (unsigned long) (arg4) - #undef LSS_SC_LOADARGS_5 - #define LSS_SC_LOADARGS_5(arg1, arg2, arg3, arg4, arg5) \ - LSS_SC_LOADARGS_4(arg1, arg2, arg3, arg4); \ - __sc_8 = (unsigned long) (arg5) - #undef LSS_SC_BODY - #define LSS_SC_BODY(nr, type, opt, args...) \ - long __sc_ret, __sc_err; \ - { \ - register unsigned long __sc_0 __asm__ ("r0") = __NR_socketcall; \ - register unsigned long __sc_3 __asm__ ("r3") = opt; \ - register unsigned long __sc_4 __asm__ ("r4"); \ - register unsigned long __sc_5 __asm__ ("r5"); \ - register unsigned long __sc_6 __asm__ ("r6"); \ - register unsigned long __sc_7 __asm__ ("r7"); \ - register unsigned long __sc_8 __asm__ ("r8"); \ - LSS_SC_LOADARGS_##nr(args); \ - __asm__ __volatile__ \ - ("stwu 1, -48(1)\n\t" \ - "stw 4, 20(1)\n\t" \ - "stw 5, 24(1)\n\t" \ - "stw 6, 28(1)\n\t" \ - "stw 7, 32(1)\n\t" \ - "stw 8, 36(1)\n\t" \ - "addi 4, 1, 20\n\t" \ - "sc\n\t" \ - "mfcr %0" \ - : "=&r" (__sc_0), \ - "=&r" (__sc_3), "=&r" (__sc_4), \ - "=&r" (__sc_5), "=&r" (__sc_6), \ - "=&r" (__sc_7), "=&r" (__sc_8) \ - : LSS_ASMINPUT_##nr \ - : "cr0", "ctr", "memory"); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - LSS_RETURN(type, __sc_ret, __sc_err) - - LSS_INLINE ssize_t LSS_NAME(recvmsg)(int s,struct kernel_msghdr *msg, - int flags){ - LSS_SC_BODY(3, ssize_t, 17, s, msg, flags); - } - - LSS_INLINE ssize_t LSS_NAME(sendmsg)(int s, - const struct kernel_msghdr *msg, - int flags) { - LSS_SC_BODY(3, ssize_t, 16, s, msg, flags); - } - - // TODO(csilvers): why is this ifdef'ed out? -#if 0 - LSS_INLINE ssize_t LSS_NAME(sendto)(int s, const void *buf, size_t len, - int flags, - const struct kernel_sockaddr *to, - unsigned int tolen) { - LSS_BODY(6, ssize_t, 11, s, buf, len, flags, to, tolen); - } -#endif - - LSS_INLINE int LSS_NAME(shutdown)(int s, int how) { - LSS_SC_BODY(2, int, 13, s, how); - } - - LSS_INLINE int LSS_NAME(socket)(int domain, int type, int protocol) { - LSS_SC_BODY(3, int, 1, domain, type, protocol); - } - - LSS_INLINE int LSS_NAME(socketpair)(int d, int type, int protocol, - int sv[2]) { - LSS_SC_BODY(4, int, 8, d, type, protocol, sv); - } - #endif - #if defined(__ARM_EABI__) || defined (__aarch64__) - LSS_INLINE _syscall3(ssize_t, recvmsg, int, s, struct kernel_msghdr*, msg, - int, flags) - LSS_INLINE _syscall3(ssize_t, sendmsg, int, s, const struct kernel_msghdr*, - msg, int, flags) - LSS_INLINE _syscall6(ssize_t, sendto, int, s, const void*, buf, size_t,len, - int, flags, const struct kernel_sockaddr*, to, - unsigned int, tolen) - LSS_INLINE _syscall2(int, shutdown, int, s, int, how) - LSS_INLINE _syscall3(int, socket, int, domain, int, type, int, protocol) - LSS_INLINE _syscall4(int, socketpair, int, d, int, type, int, protocol, - int*, sv) - #endif - #if defined(__i386__) || defined(__ARM_ARCH_3__) || \ - (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \ - defined(__s390__) - #define __NR__socketcall __NR_socketcall - LSS_INLINE _syscall2(int, _socketcall, int, c, - va_list, a) - LSS_INLINE int LSS_NAME(socketcall)(int op, ...) { - int rc; - va_list ap; - va_start(ap, op); - rc = LSS_NAME(_socketcall)(op, ap); - va_end(ap); - return rc; - } - - LSS_INLINE ssize_t LSS_NAME(recvmsg)(int s,struct kernel_msghdr *msg, - int flags){ - return (ssize_t)LSS_NAME(socketcall)(17, s, msg, flags); - } - - LSS_INLINE ssize_t LSS_NAME(sendmsg)(int s, - const struct kernel_msghdr *msg, - int flags) { - return (ssize_t)LSS_NAME(socketcall)(16, s, msg, flags); - } - - LSS_INLINE ssize_t LSS_NAME(sendto)(int s, const void *buf, size_t len, - int flags, - const struct kernel_sockaddr *to, - unsigned int tolen) { - return (ssize_t)LSS_NAME(socketcall)(11, s, buf, len, flags, to, tolen); - } - - LSS_INLINE int LSS_NAME(shutdown)(int s, int how) { - return LSS_NAME(socketcall)(13, s, how); - } - - LSS_INLINE int LSS_NAME(socket)(int domain, int type, int protocol) { - return LSS_NAME(socketcall)(1, domain, type, protocol); - } - - LSS_INLINE int LSS_NAME(socketpair)(int d, int type, int protocol, - int sv[2]) { - return LSS_NAME(socketcall)(8, d, type, protocol, sv); - } - #endif - #if defined(__NR_fstatat64) - LSS_INLINE _syscall4(int, fstatat64, int, d, - const char *, p, - struct kernel_stat64 *, b, int, f) - #endif - #if defined(__i386__) || defined(__PPC__) || \ - (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) - LSS_INLINE _syscall3(pid_t, waitpid, pid_t, p, - int*, s, int, o) - #endif - #if defined(__mips__) - /* sys_pipe() on MIPS has non-standard calling conventions, as it returns - * both file handles through CPU registers. - */ - LSS_INLINE int LSS_NAME(pipe)(int *p) { - register unsigned long __v0 __asm__("$2") = __NR_pipe; - register unsigned long __v1 __asm__("$3"); - register unsigned long __r7 __asm__("$7"); - __asm__ __volatile__ ("syscall\n" - : "=r"(__v0), "=r"(__v1), "=r" (__r7) - : "0"(__v0) - : "$8", "$9", "$10", "$11", "$12", - "$13", "$14", "$15", "$24", "$25", "memory"); - if (__r7) { - unsigned long __errnovalue = __v0; - LSS_ERRNO = __errnovalue; - return -1; - } else { - p[0] = __v0; - p[1] = __v1; - return 0; - } - } - #elif !defined(__aarch64__) - // The unlink syscall has been deprecated on aarch64. We polyfill it below. - LSS_INLINE _syscall1(int, pipe, int *, p) - #endif - /* TODO(csilvers): see if ppc can/should support this as well */ - #if defined(__i386__) || defined(__ARM_ARCH_3__) || \ - defined(__ARM_EABI__) || \ - (defined(__mips__) && _MIPS_SIM != _MIPS_SIM_ABI64) || \ - (defined(__s390__) && !defined(__s390x__)) - #define __NR__statfs64 __NR_statfs64 - #define __NR__fstatfs64 __NR_fstatfs64 - LSS_INLINE _syscall3(int, _statfs64, const char*, p, - size_t, s,struct kernel_statfs64*, b) - LSS_INLINE _syscall3(int, _fstatfs64, int, f, - size_t, s,struct kernel_statfs64*, b) - LSS_INLINE int LSS_NAME(statfs64)(const char *p, - struct kernel_statfs64 *b) { - return LSS_NAME(_statfs64)(p, sizeof(*b), b); - } - LSS_INLINE int LSS_NAME(fstatfs64)(int f,struct kernel_statfs64 *b) { - return LSS_NAME(_fstatfs64)(f, sizeof(*b), b); - } - #endif - - LSS_INLINE int LSS_NAME(execv)(const char *path, const char *const argv[]) { - extern char **environ; - return LSS_NAME(execve)(path, argv, (const char *const *)environ); - } - - LSS_INLINE pid_t LSS_NAME(gettid)(void) { - pid_t tid = LSS_NAME(_gettid)(); - if (tid != -1) { - return tid; - } - return LSS_NAME(getpid)(); - } - - LSS_INLINE void *LSS_NAME(mremap)(void *old_address, size_t old_size, - size_t new_size, int flags, ...) { - va_list ap; - void *new_address, *rc; - va_start(ap, flags); - new_address = va_arg(ap, void *); - rc = LSS_NAME(_mremap)(old_address, old_size, new_size, - flags, new_address); - va_end(ap); - return rc; - } - - LSS_INLINE int LSS_NAME(ptrace_detach)(pid_t pid) { - /* PTRACE_DETACH can sometimes forget to wake up the tracee and it - * then sends job control signals to the real parent, rather than to - * the tracer. We reduce the risk of this happening by starting a - * whole new time slice, and then quickly sending a SIGCONT signal - * right after detaching from the tracee. - * - * We use tkill to ensure that we only issue a wakeup for the thread being - * detached. Large multi threaded apps can take a long time in the kernel - * processing SIGCONT. - */ - int rc, err; - LSS_NAME(sched_yield)(); - rc = LSS_NAME(ptrace)(PTRACE_DETACH, pid, (void *)0, (void *)0); - err = LSS_ERRNO; - LSS_NAME(tkill)(pid, SIGCONT); - /* Old systems don't have tkill */ - if (LSS_ERRNO == ENOSYS) - LSS_NAME(kill)(pid, SIGCONT); - LSS_ERRNO = err; - return rc; - } - - LSS_INLINE int LSS_NAME(raise)(int sig) { - return LSS_NAME(kill)(LSS_NAME(getpid)(), sig); - } - - LSS_INLINE int LSS_NAME(setpgrp)(void) { - return LSS_NAME(setpgid)(0, 0); - } - - LSS_INLINE int LSS_NAME(sysconf)(int name) { - extern int __getpagesize(void); - switch (name) { - case _SC_OPEN_MAX: { - struct kernel_rlimit limit; -#if defined(__ARM_EABI__) - return LSS_NAME(ugetrlimit)(RLIMIT_NOFILE, &limit) < 0 - ? 8192 : limit.rlim_cur; -#else - return LSS_NAME(getrlimit)(RLIMIT_NOFILE, &limit) < 0 - ? 8192 : limit.rlim_cur; -#endif - } - case _SC_PAGESIZE: - return __getpagesize(); - default: - LSS_ERRNO = ENOSYS; - return -1; - } - } - #if defined(__x86_64__) - /* Need to make sure loff_t isn't truncated to 32-bits under x32. */ - LSS_INLINE ssize_t LSS_NAME(pread64)(int f, void *b, size_t c, loff_t o) { - LSS_BODY(4, ssize_t, pread64, LSS_SYSCALL_ARG(f), LSS_SYSCALL_ARG(b), - LSS_SYSCALL_ARG(c), (uint64_t)(o)); - } - - LSS_INLINE ssize_t LSS_NAME(pwrite64)(int f, const void *b, size_t c, - loff_t o) { - LSS_BODY(4, ssize_t, pwrite64, LSS_SYSCALL_ARG(f), LSS_SYSCALL_ARG(b), - LSS_SYSCALL_ARG(c), (uint64_t)(o)); - } - - LSS_INLINE int LSS_NAME(readahead)(int f, loff_t o, unsigned c) { - LSS_BODY(3, int, readahead, LSS_SYSCALL_ARG(f), (uint64_t)(o), - LSS_SYSCALL_ARG(c)); - } - #elif defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI64 - LSS_INLINE _syscall4(ssize_t, pread64, int, f, - void *, b, size_t, c, - loff_t, o) - LSS_INLINE _syscall4(ssize_t, pwrite64, int, f, - const void *, b, size_t, c, - loff_t, o) - LSS_INLINE _syscall3(int, readahead, int, f, - loff_t, o, unsigned, c) - #else - #define __NR__pread64 __NR_pread64 - #define __NR__pwrite64 __NR_pwrite64 - #define __NR__readahead __NR_readahead - #if defined(__ARM_EABI__) || defined(__mips__) - /* On ARM and MIPS, a 64-bit parameter has to be in an even-odd register - * pair. Hence these calls ignore their fourth argument (r3) so that their - * fifth and sixth make such a pair (r4,r5). - */ - #define LSS_LLARG_PAD 0, - LSS_INLINE _syscall6(ssize_t, _pread64, int, f, - void *, b, size_t, c, - unsigned, skip, unsigned, o1, unsigned, o2) - LSS_INLINE _syscall6(ssize_t, _pwrite64, int, f, - const void *, b, size_t, c, - unsigned, skip, unsigned, o1, unsigned, o2) - LSS_INLINE _syscall5(int, _readahead, int, f, - unsigned, skip, - unsigned, o1, unsigned, o2, size_t, c) - #else - #define LSS_LLARG_PAD - LSS_INLINE _syscall5(ssize_t, _pread64, int, f, - void *, b, size_t, c, unsigned, o1, - unsigned, o2) - LSS_INLINE _syscall5(ssize_t, _pwrite64, int, f, - const void *, b, size_t, c, unsigned, o1, - long, o2) - LSS_INLINE _syscall4(int, _readahead, int, f, - unsigned, o1, unsigned, o2, size_t, c) - #endif - /* We force 64bit-wide parameters onto the stack, then access each - * 32-bit component individually. This guarantees that we build the - * correct parameters independent of the native byte-order of the - * underlying architecture. - */ - LSS_INLINE ssize_t LSS_NAME(pread64)(int fd, void *buf, size_t count, - loff_t off) { - union { loff_t off; unsigned arg[2]; } o = { off }; - return LSS_NAME(_pread64)(fd, buf, count, - LSS_LLARG_PAD o.arg[0], o.arg[1]); - } - LSS_INLINE ssize_t LSS_NAME(pwrite64)(int fd, const void *buf, - size_t count, loff_t off) { - union { loff_t off; unsigned arg[2]; } o = { off }; - return LSS_NAME(_pwrite64)(fd, buf, count, - LSS_LLARG_PAD o.arg[0], o.arg[1]); - } - LSS_INLINE int LSS_NAME(readahead)(int fd, loff_t off, int len) { - union { loff_t off; unsigned arg[2]; } o = { off }; - return LSS_NAME(_readahead)(fd, LSS_LLARG_PAD o.arg[0], o.arg[1], len); - } - #endif -#endif - -#if defined(__aarch64__) - LSS_INLINE _syscall3(int, dup3, int, s, int, d, int, f) - LSS_INLINE _syscall4(int, newfstatat, int, dirfd, const char *, pathname, - struct kernel_stat *, buf, int, flags) - LSS_INLINE _syscall2(int, pipe2, int *, pipefd, int, flags) - LSS_INLINE _syscall5(int, ppoll, struct kernel_pollfd *, u, - unsigned int, n, const struct kernel_timespec *, t, - const struct kernel_sigset_t *, sigmask, size_t, s) - LSS_INLINE _syscall4(int, readlinkat, int, d, const char *, p, char *, b, - size_t, s) -#endif - -/* - * Polyfills for deprecated syscalls. - */ - -#if defined(__aarch64__) - LSS_INLINE int LSS_NAME(dup2)(int s, int d) { - return LSS_NAME(dup3)(s, d, 0); - } - - LSS_INLINE int LSS_NAME(open)(const char *pathname, int flags, int mode) { - return LSS_NAME(openat)(AT_FDCWD, pathname, flags, mode); - } - - LSS_INLINE int LSS_NAME(unlink)(const char *pathname) { - return LSS_NAME(unlinkat)(AT_FDCWD, pathname, 0); - } - - LSS_INLINE int LSS_NAME(readlink)(const char *pathname, char *buffer, - size_t size) { - return LSS_NAME(readlinkat)(AT_FDCWD, pathname, buffer, size); - } - - LSS_INLINE pid_t LSS_NAME(pipe)(int *pipefd) { - return LSS_NAME(pipe2)(pipefd, 0); - } - - LSS_INLINE int LSS_NAME(poll)(struct kernel_pollfd *fds, unsigned int nfds, - int timeout) { - struct kernel_timespec timeout_ts; - struct kernel_timespec *timeout_ts_p = NULL; - - if (timeout >= 0) { - timeout_ts.tv_sec = timeout / 1000; - timeout_ts.tv_nsec = (timeout % 1000) * 1000000; - timeout_ts_p = &timeout_ts; - } - return LSS_NAME(ppoll)(fds, nfds, timeout_ts_p, NULL, 0); - } - - LSS_INLINE int LSS_NAME(stat)(const char *pathname, - struct kernel_stat *buf) { - return LSS_NAME(newfstatat)(AT_FDCWD, pathname, buf, 0); - } - - LSS_INLINE pid_t LSS_NAME(fork)(void) { - // No fork syscall on aarch64 - implement by means of the clone syscall. - // Note that this does not reset glibc's cached view of the PID/TID, so - // some glibc interfaces might go wrong in the forked subprocess. - int flags = SIGCHLD; - void *child_stack = NULL; - void *parent_tidptr = NULL; - void *newtls = NULL; - void *child_tidptr = NULL; - - LSS_REG(0, flags); - LSS_REG(1, child_stack); - LSS_REG(2, parent_tidptr); - LSS_REG(3, newtls); - LSS_REG(4, child_tidptr); - LSS_BODY(pid_t, clone, "r"(__r0), "r"(__r1), "r"(__r2), "r"(__r3), - "r"(__r4)); - } -#endif - -#ifdef __ANDROID__ - /* These restore the original values of these macros saved by the - * corresponding #pragma push_macro near the top of this file. */ -# pragma pop_macro("stat64") -# pragma pop_macro("fstat64") -# pragma pop_macro("lstat64") -#endif - -#if defined(__cplusplus) && !defined(SYS_CPLUSPLUS) -} -#endif - -#endif -#endif