diff options
Diffstat (limited to 'libc/sysdeps/linux/i386/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/syscalls.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/bits/syscalls.h b/libc/sysdeps/linux/i386/bits/syscalls.h index ed5fad805..940e9db50 100644 --- a/libc/sysdeps/linux/i386/bits/syscalls.h +++ b/libc/sysdeps/linux/i386/bits/syscalls.h @@ -4,6 +4,10 @@ * a difference. Regardless, including asm/unistd.h is hereby officially * forbidden. Don't do it. It is bad for you. */ +#include <features.h> + +#ifndef __UCLIBC_USE_UNIFIED_SYSCALL__ + #undef __syscall_return #define __syscall_return(type, res) \ do { \ @@ -157,3 +161,38 @@ __syscall_return(type,__res); \ #endif /* __PIC__ */ +#else + +#define unified_syscall_body(name) \ +__asm__ ( \ +".text\n.align 4\n.global "###name"\n.type "###name",@function\n" \ +#name":\nmovb $"__STR_NR_##name \ +",%al;\n jmp __uClibc_syscall\n.Lfe1"###name":\n.size "###name \ +",.Lfe1"###name"-"###name \ +) + +#undef _syscall0 +#define _syscall0(type,name) \ +unified_syscall_body(name) + +#undef _syscall1 +#define _syscall1(type,name,type1,arg1) \ +unified_syscall_body(name) + +#undef _syscall2 +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +unified_syscall_body(name) + +#undef _syscall3 +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +unified_syscall_body(name) + +#undef _syscall4 +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +unified_syscall_body(name) + +#undef _syscall5 +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ +unified_syscall_body(name) + +#endif |