ARC: Fundamental ARCH data-types/defines
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*
To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-18 15:12:17 +05:30
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/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_LINKAGE_H
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#define __ASM_LINKAGE_H
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#ifdef __ASSEMBLY__
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/* Can't use the ENTRY macro in linux/linkage.h
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* gas considers ';' as comment vs. newline
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*/
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.macro ARC_ENTRY name
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.global \name
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.align 4
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\name:
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.endm
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.macro ARC_EXIT name
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#define ASM_PREV_SYM_ADDR(name) .-##name
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.size \ name, ASM_PREV_SYM_ADDR(\name)
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.endm
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2013-01-18 15:12:25 +05:30
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/* annotation for data we want in DCCM - if enabled in .config */
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.macro ARCFP_DATA nm
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#ifdef CONFIG_ARC_HAS_DCCM
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.section .data.arcfp
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#else
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.section .data
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#endif
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.global \nm
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.endm
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/* annotation for data we want in DCCM - if enabled in .config */
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.macro ARCFP_CODE
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#ifdef CONFIG_ARC_HAS_ICCM
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.section .text.arcfp, "ax",@progbits
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#else
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.section .text, "ax",@progbits
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#endif
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.endm
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#else /* !__ASSEMBLY__ */
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#ifdef CONFIG_ARC_HAS_ICCM
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#define __arcfp_code __attribute__((__section__(".text.arcfp")))
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#else
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#define __arcfp_code __attribute__((__section__(".text")))
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#endif
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#ifdef CONFIG_ARC_HAS_DCCM
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#define __arcfp_data __attribute__((__section__(".data.arcfp")))
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#else
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#define __arcfp_data __attribute__((__section__(".data")))
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#endif
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ARC: Fundamental ARCH data-types/defines
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*
To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-18 15:12:17 +05:30
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#endif /* __ASSEMBLY__ */
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#endif
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