diff options
Diffstat (limited to 'src/syscall-x86_64.h')
| -rw-r--r-- | src/syscall-x86_64.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/syscall-x86_64.h b/src/syscall-x86_64.h index 84b2639..9361856 100644 --- a/src/syscall-x86_64.h +++ b/src/syscall-x86_64.h @@ -3,3 +3,61 @@ #define __NR_io_getevents 208 #define __NR_io_submit 209 #define __NR_io_cancel 210 + +#define __syscall_clobber "r11","rcx","memory" +#define __syscall "syscall" + +#define io_syscall1(type,fname,sname,type1,arg1) \ +type fname(type1 arg1) \ +{ \ +long __res; \ +__asm__ volatile (__syscall \ + : "=a" (__res) \ + : "0" (__NR_##sname),"D" ((long)(arg1)) : __syscall_clobber ); \ +return __res; \ +} + +#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \ +type fname(type1 arg1,type2 arg2) \ +{ \ +long __res; \ +__asm__ volatile (__syscall \ + : "=a" (__res) \ + : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)) : __syscall_clobber ); \ +return __res; \ +} + +#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \ +type fname(type1 arg1,type2 arg2,type3 arg3) \ +{ \ +long __res; \ +__asm__ volatile (__syscall \ + : "=a" (__res) \ + : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \ + "d" ((long)(arg3)) : __syscall_clobber); \ +return __res; \ +} + +#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ +long __res; \ +__asm__ volatile ("movq %5,%%r10 ;" __syscall \ + : "=a" (__res) \ + : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \ + "d" ((long)(arg3)),"g" ((long)(arg4)) : __syscall_clobber,"r10" ); \ +return __res; \ +} + +#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ + type5,arg5) \ +type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ +{ \ +long __res; \ +__asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall \ + : "=a" (__res) \ + : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \ + "d" ((long)(arg3)),"g" ((long)(arg4)),"g" ((long)(arg5)) : \ + __syscall_clobber,"r8","r10" ); \ +return __res; \ +} |