diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1994-11-28 11:59:19 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1994-11-28 11:59:19 +0000 |
| commit | 1513ff9b7899ab588401c89db0e99903dbf5f886 (patch) | |
| tree | f69cc81a940a502ea23d664c3ffb2d215a479667 /include/asm-i386/unistd.h | |
Import of Linus's Linux 1.1.68
Diffstat (limited to 'include/asm-i386/unistd.h')
| -rw-r--r-- | include/asm-i386/unistd.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h new file mode 100644 index 000000000..81a5ff09c --- /dev/null +++ b/include/asm-i386/unistd.h @@ -0,0 +1,87 @@ +#ifndef _ASM_I386_UNISTD_H_ +#define _ASM_I386_UNISTD_H_ + +/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ +#define _syscall0(type,name) \ +type name(void) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name)); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1))); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3))); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4))); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ +type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ +{ \ +long __res; \ +__asm__ volatile ("int $0x80" \ + : "=a" (__res) \ + : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#endif /* _ASM_I386_UNISTD_H_ */ |