root / ia64-syscall.S @ 14ce26e7
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| 1 | 0d330196 | bellard | /* derived from glibc sysdeps/unix/sysv/linux/ia64/sysdep.S */ |
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| 2 | 0d330196 | bellard | |
| 3 | 0d330196 | bellard | #define __ASSEMBLY__ |
| 4 | 0d330196 | bellard | |
| 5 | 0d330196 | bellard | #include <asm/asmmacro.h> |
| 6 | 0d330196 | bellard | #include <asm/unistd.h> |
| 7 | 0d330196 | bellard | |
| 8 | 0d330196 | bellard | ENTRY(__syscall_error) |
| 9 | 0d330196 | bellard | .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(0) |
| 10 | 0d330196 | bellard | alloc r33=ar.pfs, 0, 4, 0, 0 |
| 11 | 0d330196 | bellard | mov r32=rp |
| 12 | 0d330196 | bellard | .body |
| 13 | 0d330196 | bellard | mov r35=r8 |
| 14 | 0d330196 | bellard | mov r34=r1 |
| 15 | 0d330196 | bellard | ;; |
| 16 | 0d330196 | bellard | br.call.sptk.many b0 = __errno_location |
| 17 | 0d330196 | bellard | .Lret0: /* force new bundle */ |
| 18 | 0d330196 | bellard | st4 [r8]=r35 |
| 19 | 0d330196 | bellard | mov r1=r34 |
| 20 | 0d330196 | bellard | mov rp=r32 |
| 21 | 0d330196 | bellard | mov r8=-1 |
| 22 | 0d330196 | bellard | mov ar.pfs=r33 |
| 23 | 0d330196 | bellard | br.ret.sptk.few b0 |
| 24 | 0d330196 | bellard | END(__syscall_error) |
| 25 | 0d330196 | bellard | |
| 26 | 0d330196 | bellard | GLOBAL_ENTRY(__ia64_syscall) |
| 27 | 0d330196 | bellard | mov r15=r37 /* syscall number */ |
| 28 | 0d330196 | bellard | break __BREAK_SYSCALL |
| 29 | 0d330196 | bellard | cmp.eq p6,p0=-1,r10 /* r10 = -1 on error */ |
| 30 | 0d330196 | bellard | (p6) br.cond.spnt.few __syscall_error |
| 31 | 0d330196 | bellard | br.ret.sptk.few b0 |
| 32 | 0d330196 | bellard | .endp __ia64_syscall |