mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 12:14:01 +08:00
28614889bc
The notrace define belongs in compiler.h so that it can be used in init.h Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
#ifndef _LINUX_LINKAGE_H
|
|
#define _LINUX_LINKAGE_H
|
|
|
|
#include <linux/compiler.h>
|
|
#include <asm/linkage.h>
|
|
|
|
#ifdef __cplusplus
|
|
#define CPP_ASMLINKAGE extern "C"
|
|
#else
|
|
#define CPP_ASMLINKAGE
|
|
#endif
|
|
|
|
#ifndef asmlinkage
|
|
#define asmlinkage CPP_ASMLINKAGE
|
|
#endif
|
|
|
|
#ifndef asmregparm
|
|
# define asmregparm
|
|
#endif
|
|
|
|
#define __page_aligned_data __section(.data.page_aligned) __aligned(PAGE_SIZE)
|
|
#define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE)
|
|
|
|
/*
|
|
* This is used by architectures to keep arguments on the stack
|
|
* untouched by the compiler by keeping them live until the end.
|
|
* The argument stack may be owned by the assembly-language
|
|
* caller, not the callee, and gcc doesn't always understand
|
|
* that.
|
|
*
|
|
* We have the return value, and a maximum of six arguments.
|
|
*
|
|
* This should always be followed by a "return ret" for the
|
|
* protection to work (ie no more work that the compiler might
|
|
* end up needing stack temporaries for).
|
|
*/
|
|
/* Assembly files may be compiled with -traditional .. */
|
|
#ifndef __ASSEMBLY__
|
|
#ifndef asmlinkage_protect
|
|
# define asmlinkage_protect(n, ret, args...) do { } while (0)
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef __ALIGN
|
|
#define __ALIGN .align 4,0x90
|
|
#define __ALIGN_STR ".align 4,0x90"
|
|
#endif
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#define ALIGN __ALIGN
|
|
#define ALIGN_STR __ALIGN_STR
|
|
|
|
#ifndef ENTRY
|
|
#define ENTRY(name) \
|
|
.globl name; \
|
|
ALIGN; \
|
|
name:
|
|
#endif
|
|
|
|
#ifndef WEAK
|
|
#define WEAK(name) \
|
|
.weak name; \
|
|
name:
|
|
#endif
|
|
|
|
#define KPROBE_ENTRY(name) \
|
|
.pushsection .kprobes.text, "ax"; \
|
|
ENTRY(name)
|
|
|
|
#define KPROBE_END(name) \
|
|
END(name); \
|
|
.popsection
|
|
|
|
#ifndef END
|
|
#define END(name) \
|
|
.size name, .-name
|
|
#endif
|
|
|
|
/* If symbol 'name' is treated as a subroutine (gets called, and returns)
|
|
* then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of
|
|
* static analysis tools such as stack depth analyzer.
|
|
*/
|
|
#ifndef ENDPROC
|
|
#define ENDPROC(name) \
|
|
.type name, @function; \
|
|
END(name)
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#define NORET_TYPE /**/
|
|
#define ATTRIB_NORET __attribute__((noreturn))
|
|
#define NORET_AND noreturn,
|
|
|
|
#endif
|