786d35d45c
Use the mapping of Elf_[SPE]hdr, Elf_Addr, Elf_Sym, Elf_Dyn, Elf_Rel/Rela,
ELF_R_TYPE() and ELF_R_SYM() to either the 32-bit version or the 64-bit version
into asm-generic/module.h for all arches bar MIPS.
Also, use the generic definition mod_arch_specific where possible.
To this end, I've defined three new config bools:
(*) HAVE_MOD_ARCH_SPECIFIC
Arches define this if they don't want to use the empty generic
mod_arch_specific struct.
(*) MODULES_USE_ELF_RELA
Arches define this if their modules can contain RELA records. This causes
the Elf_Rela mapping to be emitted and allows apply_relocate_add() to be
defined by the arch rather than have the core emit an error message.
(*) MODULES_USE_ELF_REL
Arches define this if their modules can contain REL records. This causes
the Elf_Rel mapping to be emitted and allows apply_relocate() to be
defined by the arch rather than have the core emit an error message.
Note that it is possible to allow both REL and RELA records: m68k and mips are
two arches that do this.
With this, some arch asm/module.h files can be deleted entirely and replaced
with a generic-y marker in the arch Kbuild file.
Additionally, I have removed the bits from m32r and score that handle the
unsupported type of relocation record as that's now handled centrally.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
47 lines
1,004 B
C
47 lines
1,004 B
C
#ifndef _ASM_ARM_MODULE_H
|
|
#define _ASM_ARM_MODULE_H
|
|
|
|
#include <asm-generic/module.h>
|
|
|
|
struct unwind_table;
|
|
|
|
#ifdef CONFIG_ARM_UNWIND
|
|
enum {
|
|
ARM_SEC_INIT,
|
|
ARM_SEC_DEVINIT,
|
|
ARM_SEC_CORE,
|
|
ARM_SEC_EXIT,
|
|
ARM_SEC_DEVEXIT,
|
|
ARM_SEC_MAX,
|
|
};
|
|
|
|
struct mod_arch_specific {
|
|
struct unwind_table *unwind[ARM_SEC_MAX];
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* Add the ARM architecture version to the version magic string
|
|
*/
|
|
#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
|
|
|
|
/* Add __virt_to_phys patching state as well */
|
|
#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
|
|
#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
|
|
#else
|
|
#define MODULE_ARCH_VERMAGIC_P2V ""
|
|
#endif
|
|
|
|
/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
|
|
#ifdef CONFIG_THUMB2_KERNEL
|
|
#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
|
|
#else
|
|
#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
|
|
#endif
|
|
|
|
#define MODULE_ARCH_VERMAGIC \
|
|
MODULE_ARCH_VERMAGIC_ARMVSN \
|
|
MODULE_ARCH_VERMAGIC_ARMTHUMB \
|
|
MODULE_ARCH_VERMAGIC_P2V
|
|
|
|
#endif /* _ASM_ARM_MODULE_H */
|