| /* |
| * arch/i386/include/klibc/archsys.h |
| * |
| * Architecture-specific syscall definitions |
| */ |
| |
| #ifndef _KLIBC_ARCHSYS_H |
| #define _KLIBC_ARCHSYS_H |
| |
| /* |
| * If we're compiling i386 in PIC mode, we need to treat %ebx |
| * specially. Most of these are copied from the equivalent file in |
| * newlib and were written by Werner Almesberger. |
| */ |
| #if defined(__PIC__) |
| |
| /* _syscall0() is the same as non-PIC */ |
| |
| #undef _syscall1 |
| #define _syscall1(type,name,type1,arg1) \ |
| type name(type1 arg1) \ |
| { \ |
| long __res; \ |
| __asm__ __volatile__ ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "0" (__NR_##name),"r" ((long)(arg1))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #undef _syscall2 |
| #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
| type name(type1 arg1,type2 arg2) \ |
| { \ |
| long __res; \ |
| __asm__ __volatile__ ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #undef _syscall3 |
| #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
| type name(type1 arg1,type2 arg2,type3 arg3) \ |
| { \ |
| long __res; \ |
| __asm__ __volatile__ ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ |
| "d" ((long)(arg3))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #undef _syscall4 |
| #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__ ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ |
| "d" ((long)(arg3)),"S" ((long)(arg4))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #undef _syscall5 |
| #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__ ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \ |
| "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #undef _syscall6 |
| #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
| type5,arg5,type6,arg6) \ |
| type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ |
| { \ |
| long __res; \ |
| __asm__ __volatile__ ("push %%ebx; pushl %%ebp; movl %2,%%ebx; " \ |
| "movl %%eax,%%ebp; movl %1,%%eax; int $0x80; " \ |
| "pop %%ebp ; pop %%ebx" \ |
| : "=a" (__res) \ |
| : "i" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \ |
| "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \ |
| "a" ((long)(arg6))); \ |
| __syscall_return(type,__res); \ |
| } |
| |
| #endif /* __PIC__ */ |
| |
| #endif /* _KLIBC_ARCHSYS_H */ |