| http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=f5c071d93c9e6f57930bce56b1e4f009c160a826 |
| |
| Upstream-Status: Pending |
| |
| Properly load arguments 5 an 6 for x86-64 syscall |
| Use asm ("r10") and asm ("r8") to load arguments 5 an 6 for x86-64 |
| syscall so that it works with both x32 and x86-64. |
| |
| Received this patch from H.J. Lu <hjl.tools@gmail.com> |
| |
| Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com> |
| 2011/12/02 |
| |
| --- libaio-0.3.109/src/syscall-x86_64.h.x32 2009-10-09 11:17:02.000000000 -0700 |
| +++ libaio-0.3.109/src/syscall-x86_64.h 2011-12-02 09:09:07.537603224 -0800 |
| @@ -1,8 +1,18 @@ |
| +#ifndef __NR_io_setup |
| #define __NR_io_setup 206 |
| +#endif |
| +#ifndef __NR_io_destroy |
| #define __NR_io_destroy 207 |
| +#endif |
| +#ifndef __NR_io_getevents |
| #define __NR_io_getevents 208 |
| +#endif |
| +#ifndef __NR_io_submit |
| #define __NR_io_submit 209 |
| +#endif |
| +#ifndef __NR_io_cancel |
| #define __NR_io_cancel 210 |
| +#endif |
| |
| #define __syscall_clobber "r11","rcx","memory" |
| #define __syscall "syscall" |
| @@ -42,10 +52,11 @@ return __res; \ |
| type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
| { \ |
| long __res; \ |
| -__asm__ volatile ("movq %5,%%r10 ;" __syscall \ |
| +register long __a4 asm ("r10") = (long) arg4; \ |
| +__asm__ volatile (__syscall \ |
| : "=a" (__res) \ |
| : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \ |
| - "d" ((long)(arg3)),"g" ((long)(arg4)) : __syscall_clobber,"r10" ); \ |
| + "d" ((long)(arg3)),"r" (__a4)); \ |
| return __res; \ |
| } |
| |
| @@ -54,10 +65,11 @@ return __res; \ |
| type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
| { \ |
| long __res; \ |
| -__asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall \ |
| +register long __a4 asm ("r10") = (long) arg4; \ |
| +register long __a5 asm ("r8") = (long) arg5; \ |
| +__asm__ volatile ( __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" ); \ |
| + "d" ((long)(arg3)),"r" (__a4),"r" (__a5)); \ |
| return __res; \ |
| } |