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-mips/unistd.h | |
Import of Linus's Linux 1.1.68
Diffstat (limited to 'include/asm-mips/unistd.h')
| -rw-r--r-- | include/asm-mips/unistd.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h new file mode 100644 index 000000000..46ce46ff0 --- /dev/null +++ b/include/asm-mips/unistd.h @@ -0,0 +1,134 @@ +#ifndef _ASM_MIPS_UNISTD_H_ +#define _ASM_MIPS_UNISTD_H_ + +/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ +#define _syscall0(type,name) \ +type name(void) \ +{ \ +register long __res; \ +__asm__ volatile (".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall\n\t" \ + : "=d" (__res) \ + : "i" (__NR_##name) \ + : "$1"); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall1(type,name,atype,a) \ +type name(atype a) \ +{ \ +register long __res; \ +__asm__ volatile ("move\t$2,%2\n\t" \ + ".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall" \ + : "=d" (__res) \ + : "i" (__NR_##name),"d" ((long)(a)) \ + : "$1","$2"); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall2(type,name,atype,a,btype,b) \ +type name(atype a,btype b) \ +{ \ +register long __res; \ +__asm__ volatile ("move\t$2,%2\n\t" \ + "move\t$3,%3\n\t" \ + ".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall" \ + : "=d" (__res) \ + : "i" (__NR_##name),"d" ((long)(a)), \ + "d" ((long)(b))); \ + : "$1","$2","$3"); \ +if (__res >= 0) \ + return (type) __res; \ +errno = -__res; \ +return -1; \ +} + +#define _syscall3(type,name,atype,a,btype,b,ctype,c) \ +type name (atype a, btype b, ctype c) \ +{ \ +register long __res; \ +__asm__ volatile ("move\t$2,%2\n\t" \ + "move\t$3,%3\n\t" \ + "move\t$4,%4\n\t" \ + ".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall" \ + : "=d" (__res) \ + : "i" (__NR_##name),"d" ((long)(a)), \ + "d" ((long)(b)), \ + "d" ((long)(c)) \ + : "$1","$2","$3","$4"); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \ +type name (atype a, btype b, ctype c, dtype d) \ +{ \ +register long __res; \ +__asm__ volatile (".set\tnoat\n\t" \ + "move\t$2,%2\n\t" \ + "move\t$3,%3\n\t" \ + "move\t$4,%4\n\t" \ + "move\t$5,%5\n\t" \ + ".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall" \ + : "=d" (__res) \ + : "i" (__NR_##name),"d" ((long)(a)), \ + "d" ((long)(b)), \ + "d" ((long)(c)), \ + "d" ((long)(d)) \ + : "$1","$2","$3","$4","$5"); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \ +type name (atype a,btype b,ctype c,dtype d,etype e) \ +{ \ +register long __res; \ +__asm__ volatile (".set\tnoat\n\t" \ + "move\t$2,%2\n\t" \ + "move\t$3,%3\n\t" \ + "move\t$4,%4\n\t" \ + "move\t$5,%5\n\t" \ + "move\t$6,%6\n\t" \ + ".set\tnoat\n\t" \ + "li\t$1,%1\n\t" \ + ".set\tat\n\t" \ + "syscall" \ + : "=d" (__res) \ + : "i" (__NR_##name),"d" ((long)(a)), \ + "d" ((long)(b)), \ + "d" ((long)(c)), \ + "d" ((long)(d)), \ + "d" ((long)(e)) \ + : "$1","$2","$3","$4","$5","$6"); \ +if (__res>=0) \ + return (type) __res; \ +errno=-__res; \ +return -1; \ +} + +#endif /* _ASM_MIPS_UNISTD_H_ */ |