diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S deleted file mode 100644 index b8c25092a..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_wait.S +++ /dev/null @@ -1,301 +0,0 @@ -/* Copyright (C) 2003, 2004, 2007 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 <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 sem_wait - .type sem_wait,@function - .align 5 -sem_wait: -.LSTARTCODE: - mov.l r8, @-r15 -.Lpush_r8: - mov.l r10, @-r15 -.Lpush_r10: - mov.l r12, @-r15 -.Lpush_r12: - sts.l pr, @-r15 -.Lpush_pr: - 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: - lds.l @r15+, pr - mov.l @r15+, r12 - mov.l @r15+, r10 - rts - mov.l @r15+, r8 - -.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 - -#if USE___THREAD - mov.l .Lerrno0, r0 - stc gbr, r1 - mov.l @(r0, r12), r0 - bra .Lexit - add r1, r0 - .align 2 -.Lerrno0: - .long errno@GOTTPOFF -.Lexit: -#else - mov.l .Lerrloc0, r1 - bsrf r1 - nop -.Lerrloc0b: -#endif - mov.l r8, @r0 - bra 9b - mov #-1, r0 - - .align 2 -.Lgot0: - .long _GLOBAL_OFFSET_TABLE_ -#if !USE___THREAD -.Lerrloc0: - .long __errno_location@PLT-(.Lerrloc0b-.) -#endif -.Lenable0: - .long __pthread_enable_asynccancel-.Lenable0b -.Ldisable0: - .long __pthread_disable_asynccancel-.Ldisable0b - .size sem_wait,.-sem_wait - - - .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: - .size sem_wait_cleanup,.-sem_wait_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte 0xff ! @LPStart format (omit) - .byte 0xff ! @TType format (omit) - .byte 0x01 ! call-site format - ! DW_EH_PE_uleb128 - .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: - - - .section .eh_frame,"a",@progbits -.LSTARTFRAME: - .ualong .LENDCIE-.LSTARTCIE ! Length of the CIE. -.LSTARTCIE: - .ualong 0 ! CIE ID. - .byte 1 ! Version number. -#ifdef SHARED - .string "zPLR" ! NUL-terminated augmentation - ! string. -#else - .string "zPL" ! NUL-terminated augmentation - ! string. -#endif - .uleb128 1 ! Code alignment factor. - .sleb128 -4 ! Data alignment factor. - .byte 0x11 ! Return address register - ! column. -#ifdef SHARED - .uleb128 7 ! Augmentation value length. - .byte 0x9b ! Personality: DW_EH_PE_pcrel - ! + DW_EH_PE_sdata4 - ! + DW_EH_PE_indirect - .ualong DW.ref.__gcc_personality_v0-. - .byte 0x1b ! LSDA Encoding: DW_EH_PE_pcrel - ! + DW_EH_PE_sdata4. - .byte 0x1b ! FDE Encoding: DW_EH_PE_pcrel - ! + DW_EH_PE_sdata4. -#else - .uleb128 6 ! Augmentation value length. - .byte 0x0 ! Personality: absolute - .ualong __gcc_personality_v0 - .byte 0x0 ! LSDA Encoding: absolute -#endif - .byte 0x0c ! DW_CFA_def_cfa - .uleb128 0xf - .uleb128 0 - .align 4 -.LENDCIE: - - .ualong .LENDFDE-.LSTARTFDE ! Length of the FDE. -.LSTARTFDE: - .ualong .LSTARTFDE-.LSTARTFRAME ! CIE pointer. -#ifdef SHARED - .ualong .LSTARTCODE-. ! PC-relative start address - ! of the code. -#else - .ualong .LSTARTCODE ! Start address of the code. -#endif - .ualong .LENDCODE-.LSTARTCODE ! Length of the code. - .uleb128 4 ! Augmentation size -#ifdef SHARED - .ualong .LexceptSTART-. -#else - .ualong .LexceptSTART -#endif - - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_r8-.LSTARTCODE - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 4 - .byte 0x88 ! DW_CFA_offset r8 - .uleb128 1 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_r10-.Lpush_r8 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 8 - .byte 0x8a ! DW_CFA_offset r10 - .uleb128 2 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_r12-.Lpush_r10 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 12 - .byte 0x8c ! DW_CFA_offset r12 - .uleb128 3 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_pr-.Lpush_r12 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 16 - .byte 0x91 ! DW_CFA_offset pr - .uleb128 4 - .align 4 -.LENDFDE: - - -#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 |