Contributors: 12
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Matthias Maennich |
57 |
26.76% |
2 |
8.70% |
Masahiro Yamada |
46 |
21.60% |
7 |
30.43% |
Ard Biesheuvel |
28 |
13.15% |
2 |
8.70% |
Sami Tolvanen |
21 |
9.86% |
1 |
4.35% |
Peter Zijlstra |
14 |
6.57% |
2 |
8.70% |
Rusty Russell |
13 |
6.10% |
1 |
4.35% |
Linus Torvalds |
9 |
4.23% |
2 |
8.70% |
Nico Pitre |
9 |
4.23% |
2 |
8.70% |
Paul Gortmaker |
9 |
4.23% |
1 |
4.35% |
Linus Torvalds (pre-git) |
4 |
1.88% |
1 |
4.35% |
Kai Germaschewski |
2 |
0.94% |
1 |
4.35% |
Quentin Perret |
1 |
0.47% |
1 |
4.35% |
Total |
213 |
|
23 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _LINUX_EXPORT_H
#define _LINUX_EXPORT_H
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/stringify.h>
/*
* This comment block is used by fixdep. Please do not remove.
*
* When CONFIG_MODVERSIONS is changed from n to y, all source files having
* EXPORT_SYMBOL variants must be re-compiled because genksyms is run as a
* side effect of the *.o build rule.
*/
#ifdef CONFIG_64BIT
#define __EXPORT_SYMBOL_REF(sym) \
.balign 8 ASM_NL \
.quad sym
#else
#define __EXPORT_SYMBOL_REF(sym) \
.balign 4 ASM_NL \
.long sym
#endif
/*
* LLVM integrated assembler cam merge adjacent string literals (like
* C and GNU-as) passed to '.ascii', but not to '.asciz' and chokes on:
*
* .asciz "MODULE_" "kvm" ;
*/
#define ___EXPORT_SYMBOL(sym, license, ns...) \
.section ".export_symbol","a" ASM_NL \
__export_symbol_##sym: ASM_NL \
.asciz license ASM_NL \
.ascii ns "\0" ASM_NL \
__EXPORT_SYMBOL_REF(sym) ASM_NL \
.previous
#if defined(__DISABLE_EXPORTS)
/*
* Allow symbol exports to be disabled completely so that C code may
* be reused in other execution contexts such as the UEFI stub or the
* decompressor.
*/
#define __EXPORT_SYMBOL(sym, license, ns)
#elif defined(__GENKSYMS__)
#define __EXPORT_SYMBOL(sym, license, ns) __GENKSYMS_EXPORT_SYMBOL(sym)
#elif defined(__ASSEMBLY__)
#define __EXPORT_SYMBOL(sym, license, ns) \
___EXPORT_SYMBOL(sym, license, ns)
#else
#ifdef CONFIG_GENDWARFKSYMS
/*
* With CONFIG_GENDWARFKSYMS, ensure the compiler emits debugging
* information for all exported symbols, including those defined in
* different TUs, by adding a __gendwarfksyms_ptr_<symbol> pointer
* that's discarded during the final link.
*/
#define __GENDWARFKSYMS_EXPORT(sym) \
static typeof(sym) *__gendwarfksyms_ptr_##sym __used \
__section(".discard.gendwarfksyms") = &sym;
#else
#define __GENDWARFKSYMS_EXPORT(sym)
#endif
#define __EXPORT_SYMBOL(sym, license, ns) \
extern typeof(sym) sym; \
__ADDRESSABLE(sym) \
__GENDWARFKSYMS_EXPORT(sym) \
asm(__stringify(___EXPORT_SYMBOL(sym, license, ns)))
#endif
#ifdef DEFAULT_SYMBOL_NAMESPACE
#define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, DEFAULT_SYMBOL_NAMESPACE)
#else
#define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
#endif
#define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
#define EXPORT_SYMBOL_NS(sym, ns) __EXPORT_SYMBOL(sym, "", ns)
#define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "GPL", ns)
#define EXPORT_SYMBOL_GPL_FOR_MODULES(sym, mods) __EXPORT_SYMBOL(sym, "GPL", "module:" mods)
#endif /* _LINUX_EXPORT_H */