root / ia64-syscall.S @ 38260998
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/* derived from glibc sysdeps/unix/sysv/linux/ia64/sysdep.S */ |
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#define __ASSEMBLY__ |
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#include <asm/asmmacro.h> |
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#include <asm/unistd.h> |
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ENTRY(__syscall_error) |
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.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(0) |
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alloc r33=ar.pfs, 0, 4, 0, 0 |
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mov r32=rp |
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.body |
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mov r35=r8 |
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mov r34=r1 |
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;; |
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br.call.sptk.many b0 = __errno_location |
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.Lret0: /* force new bundle */ |
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st4 [r8]=r35 |
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mov r1=r34 |
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mov rp=r32 |
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mov r8=-1 |
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mov ar.pfs=r33 |
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br.ret.sptk.few b0 |
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END(__syscall_error) |
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GLOBAL_ENTRY(__ia64_syscall) |
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mov r15=r37 /* syscall number */ |
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break __BREAK_SYSCALL |
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cmp.eq p6,p0=-1,r10 /* r10 = -1 on error */ |
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(p6) br.cond.spnt.few __syscall_error |
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br.ret.sptk.few b0 |
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.endp __ia64_syscall |