diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/sem_wait.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/sem_wait.S | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sem_wait.S b/sysdeps/unix/sysv/linux/sh/sem_wait.S deleted file mode 100644 index 04a6a405d4..0000000000 --- a/sysdeps/unix/sysv/linux/sh/sem_wait.S +++ /dev/null @@ -1,229 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include <structsem.h> -#include <lowlevellock.h> -#include "lowlevel-atomic.h" - - -#if VALUE != 0 -# error "code needs to be rewritten for VALUE != 0" -#endif - - .text - - .globl __new_sem_wait - .type __new_sem_wait,@function - .align 5 - cfi_startproc -__new_sem_wait: -.LSTARTCODE: -#ifdef SHARED - cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect, - DW.ref.__gcc_personality_v0) - cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART) -#else - cfi_personality(DW_EH_PE_absptr, __gcc_personality_v0) - cfi_lsda(DW_EH_PE_absptr, .LexceptSTART) -#endif - mov.l r8, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r8, 0) - mov.l r10, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r10, 0) - mov.l r12, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r12, 0) - sts.l pr, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (pr, 0) - - mov r4, r8 - mov.l @r8, r0 -2: - tst r0, r0 - bt 1f - mov r0, r3 - mov r0, r4 - add #-1, r3 - CMPXCHG (r4, @r8, r3, r2) - bf/s 2b - mov r2, r0 -7: - mov #0, r0 -9: - cfi_remember_state - lds.l @r15+, pr - cfi_adjust_cfa_offset (-4) - cfi_restore (pr) - mov.l @r15+, r12 - cfi_adjust_cfa_offset (-4) - cfi_restore (r12) - mov.l @r15+, r10 - cfi_adjust_cfa_offset (-4) - cfi_restore (r10) - rts - mov.l @r15+, r8 - /* Omit CFI for restore in delay slot. */ - cfi_restore_state - -.Lafter_ret: -1: - INC (@(NWAITERS,r8),r2) - -.LcleanupSTART: -6: - mov.l .Lenable0, r1 - bsrf r1 - nop -.Lenable0b: - mov r0, r10 - - mov r8, r4 -#if FUTEX_WAIT == 0 - mov.l @(PRIVATE,r8), r5 -#else - mov.l @(PRIVATE,r8), r5 - mov #FUTEX_WAIT, r0 - or r0, r5 -#endif - mov #0, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - mov.l .Ldisable0, r1 - mov r10, r4 - bsrf r1 - mov r0, r10 -.Ldisable0b: - mov r10, r0 -.LcleanupEND: - - tst r0, r0 - bt 3f - cmp/eq #-EWOULDBLOCK, r0 - bf 4f - -3: - mov.l @r8, r0 -5: - tst r0, r0 - bt 6b - - mov r0, r3 - mov r0, r4 - add #-1, r3 - CMPXCHG (r4, @r8, r3, r2) - bf/s 5b - mov r2, r0 - - DEC (@(NWAITERS,r8), r2) - bra 7b - nop - -4: - neg r0, r0 - mov r0, r4 - DEC (@(NWAITERS,r8), r2) - mov r4, r8 - mova .Lgot0, r0 - mov.l .Lgot0, r12 - add r0, r12 - - mov.l .Lerrno0, r0 - stc gbr, r1 - mov.l @(r0, r12), r0 - bra .Lexit - add r1, r0 - .align 2 -.Lerrno0: - .long errno@GOTTPOFF -.Lexit: - mov.l r8, @r0 - bra 9b - mov #-1, r0 - - .align 2 -.Lgot0: - .long _GLOBAL_OFFSET_TABLE_ -.Lenable0: - .long __pthread_enable_asynccancel-.Lenable0b -.Ldisable0: - .long __pthread_disable_asynccancel-.Ldisable0b - .size __new_sem_wait,.-__new_sem_wait - versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1) - - - .type sem_wait_cleanup,@function -sem_wait_cleanup: - DEC (@(NWAITERS,r8), r2) -.LcallUR: - mov.l .Lresume, r1 -#ifdef PIC - add r12, r1 -#endif - jsr @r1 - nop - sleep - - .align 2 -.Lresume: -#ifdef PIC - .long _Unwind_Resume@GOTOFF -#else - .long _Unwind_Resume -#endif -.LENDCODE: - cfi_endproc - .size sem_wait_cleanup,.-sem_wait_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte DW_EH_PE_omit ! @LPStart format (omit) - .byte DW_EH_PE_omit ! @TType format (omit) - .byte DW_EH_PE_uleb128 ! call-site format - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .uleb128 .LcleanupSTART-.LSTARTCODE - .uleb128 .LcleanupEND-.LcleanupSTART - .uleb128 sem_wait_cleanup-.LSTARTCODE - .uleb128 0 - .uleb128 .LcallUR-.LSTARTCODE - .uleb128 .LENDCODE-.LcallUR - .uleb128 0 - .uleb128 0 -.Lcstend: - -#ifdef SHARED - .hidden DW.ref.__gcc_personality_v0 - .weak DW.ref.__gcc_personality_v0 - .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits - .align 4 - .type DW.ref.__gcc_personality_v0, @object - .size DW.ref.__gcc_personality_v0, 4 -DW.ref.__gcc_personality_v0: - .long __gcc_personality_v0 -#endif |