diff options
Diffstat (limited to 'libpthread/nptl/sysdeps')
23 files changed, 293 insertions, 5927 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile deleted file mode 100644 index 43a6fad84..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# Makefile for uClibc NPTL -# -# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org> -# -# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. -# - -top_srcdir=../../../../../../../ -top_builddir=../../../../../../../ -all: objs -include $(top_builddir)Rules.mak -include Makefile.arch -include $(top_srcdir)Makerules diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch index e3b2f7c4e..77ac2868f 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch @@ -5,13 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -libpthread_linux_arch_SSRC = pthread_once.S pthread_rwlock_wrlock.S \ - pthread_rwlock_rdlock.S pthread_rwlock_unlock.S \ - lowlevellock.S lowlevelrobustlock.S pthread_barrier_wait.S \ - pthread_cond_broadcast.S pthread_cond_signal.S \ - pthread_rwlock_timedwrlock.S pthread_rwlock_timedrdlock.S \ - sem_post.S sem_timedwait.S sem_trywait.S sem_wait.S - +libpthread_linux_arch_CSRC = pthread_once.c libc_linux_arch_CSRC = fork.c ASFLAGS += -DUSE___THREAD diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h deleted file mode 100644 index 939fb0cb6..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright (C) 2003, 2004, 2008 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/>. */ - -#ifdef __ASSEMBLER__ - -#define _IMP1 #1 -#define _IMM1 #-1 -#define _IMM4 #-4 -#define _IMM6 #-6 -#define _IMM8 #-8 - -#define INC(mem, reg) \ - .align 2; \ - mova 99f, r0; \ - mov r15, r1; \ - mov _IMM6, r15; \ -98: mov.l mem, reg; \ - add _IMP1, reg; \ - mov.l reg, mem; \ -99: mov r1, r15 - -#define DEC(mem, reg) \ - .align 2; \ - mova 99f, r0; \ - mov r15, r1; \ - mov _IMM6, r15; \ -98: mov.l mem, reg; \ - add _IMM1, reg; \ - mov.l reg, mem; \ -99: mov r1, r15 - -#define XADD(reg, mem, old, tmp) \ - .align 2; \ - mova 99f, r0; \ - nop; \ - mov r15, r1; \ - mov _IMM8, r15; \ -98: mov.l mem, old; \ - mov reg, tmp; \ - add old, tmp; \ - mov.l tmp, mem; \ -99: mov r1, r15 - -#define XCHG(reg, mem, old) \ - .align 2; \ - mova 99f, r0; \ - nop; \ - mov r15, r1; \ - mov _IMM4, r15; \ -98: mov.l mem, old; \ - mov.l reg, mem; \ -99: mov r1, r15 - -#define CMPXCHG(reg, mem, new, old) \ - .align 2; \ - mova 99f, r0; \ - nop; \ - mov r15, r1; \ - mov _IMM8, r15; \ -98: mov.l mem, old; \ - cmp/eq old, reg; \ - bf 99f; \ - mov.l new, mem; \ -99: mov r1, r15 - -#endif /* __ASSEMBLER__ */ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S deleted file mode 100644 index bac9dd4f2..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.S +++ /dev/null @@ -1,539 +0,0 @@ -/* Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 - 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 <bits/kernel-features.h> -#include <lowlevellock.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - .text - -#ifdef __ASSUME_PRIVATE_FUTEX -# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \ - mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg; \ - extu.b reg, reg -# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \ - mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg; \ - extu.b reg, reg -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \ - extu.b tmp, tmp; \ - xor tmp, reg -# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \ - mov #(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG), tmp; \ - extu.b tmp, tmp; \ - mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \ - swap.b tmp2, tmp2; \ - or tmp2, tmp; \ - xor tmp, reg -# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \ - mov #(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), tmp; \ - extu.b tmp, tmp; \ - xor tmp, reg -#else -# if FUTEX_WAIT == 0 -# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, reg ; \ - add reg, tmp ; \ - bra 98f ; \ - mov.l @tmp, reg ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: -# else -# define LOAD_PRIVATE_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, reg ; \ - add reg, tmp ; \ - mov.l @tmp, reg ; \ - bra 98f ; \ - mov #FUTEX_WAIT, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: or tmp, reg -# endif -# define LOAD_PRIVATE_FUTEX_WAKE(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, reg ; \ - add reg, tmp ; \ - mov.l @tmp, reg ; \ - bra 98f ; \ - mov #FUTEX_WAKE, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: or tmp, reg -# if FUTEX_WAIT == 0 -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg -# else -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg ; \ - mov #FUTEX_WAIT, tmp ; \ - or tmp, reg -# endif -# define LOAD_FUTEX_WAIT_ABS(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg ; \ - mov #FUTEX_WAIT_BITSET, tmp ; \ - mov #(FUTEX_CLOCK_REALTIME >> 8), tmp2; \ - swap.b tmp2, tmp2; \ - or tmp2, tmp; \ - or tmp, reg -# define LOAD_FUTEX_WAKE(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg ; \ - mov #FUTEX_WAKE, tmp ; \ - or tmp, reg -#endif - - .globl __lll_lock_wait_private - .type __lll_lock_wait_private,@function - .hidden __lll_lock_wait_private - .align 5 - cfi_startproc -__lll_lock_wait_private: - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r4, r6 - mov r5, r8 - mov #0, r7 /* No timeout. */ - LOAD_PRIVATE_FUTEX_WAIT (r5, r0, r1) - - mov #2, r4 - cmp/eq r4, r6 - bf 2f - -1: - mov r8, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -2: - mov #2, r6 - XCHG (r6, @r8, r2) - tst r2, r2 - bf 1b - - mov.l @r15+, r8 - rts - mov r2, r0 - cfi_endproc - .size __lll_lock_wait_private,.-__lll_lock_wait_private - -#ifdef NOT_IN_libc - .globl __lll_lock_wait - .type __lll_lock_wait,@function - .hidden __lll_lock_wait - .align 5 - cfi_startproc -__lll_lock_wait: - mov.l r9, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r9, 0) - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r6, r9 - mov r4, r6 - mov r5, r8 - mov #0, r7 /* No timeout. */ - mov r9, r5 - LOAD_FUTEX_WAIT (r5, r0, r1) - - mov #2, r4 - cmp/eq r4, r6 - bf 2f - -1: - mov r8, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -2: - mov #2, r6 - XCHG (r6, @r8, r2) - tst r2, r2 - bf 1b - - mov.l @r15+, r8 - mov.l @r15+, r9 - ret - mov r2, r0 - cfi_endproc - .size __lll_lock_wait,.-__lll_lock_wait - - /* r5 (r8): futex - r7 (r11): flags - r6 (r9): timeout - r4 (r10): futex value - */ - .globl __lll_timedlock_wait - .type __lll_timedlock_wait,@function - .hidden __lll_timedlock_wait - .align 5 - cfi_startproc -__lll_timedlock_wait: - mov.l r12, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r12, 0) - -# ifndef __ASSUME_FUTEX_CLOCK_REALTIME - mov.l .Lhave, r1 -# ifdef __PIC__ - mova .Lgot, r0 - mov.l .Lgot, r12 - add r0, r12 - add r12, r1 -# endif - mov.l @r1, r0 - tst r0, r0 - bt .Lreltmo -# endif - - mov r4, r2 - mov r5, r4 - mov r7, r5 - mov r6, r7 - LOAD_FUTEX_WAIT_ABS (r5, r0, r1) - - mov #2, r6 - cmp/eq r6, r2 - bf/s 2f - mov r6, r2 - -1: - mov #2, r6 - mov #-1, r1 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x16 - SYSCALL_INST_PAD - mov r0, r6 - -2: - XCHG (r2, @r4, r3) /* NB: lock is implied */ - - tst r3, r3 - bt/s 3f - mov r6, r0 - - cmp/eq #-ETIMEDOUT, r0 - bt 4f - cmp/eq #-EINVAL, r0 - bf 1b -4: - neg r0, r3 -3: - mov r3, r0 - rts - mov.l @r15+, r12 - - .align 2 -# ifndef __ASSUME_FUTEX_CLOCK_REALTIME -# ifdef __PIC__ -.Lgot: - .long _GLOBAL_OFFSET_TABLE_ -.Lhave: - .long __have_futex_clock_realtime@GOTOFF -# else -.Lhave: - .long __have_futex_clock_realtime -# endif - -.Lreltmo: - /* Check for a valid timeout value. */ - mov.l @(4,r6), r1 - mov.l .L1g, r0 - cmp/hs r0, r1 - bt 3f - - mov.l r11, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r11, 0) - mov.l r10, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r10, 0) - mov.l r9, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r9, 0) - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r7, r11 - mov r4, r10 - mov r6, r9 - mov r5, r8 - - /* Stack frame for the timespec and timeval structs. */ - add #-8, r15 - cfi_adjust_cfa_offset(8) - - mov #2, r2 - XCHG (r2, @r8, r3) - - tst r3, r3 - bt 6f - -1: - /* Get current time. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(4,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 4f - mov.l .L1g, r1 - add r1, r3 - add #-1, r2 -4: - cmp/pz r2 - bf 2f /* Time is already up. */ - - mov.l r2, @r15 /* Store relative timeout. */ - mov.l r3, @(4,r15) - - mov r8, r4 - mov r11, r5 - LOAD_FUTEX_WAIT (r5, r0, r1) - mov r10, r6 - mov r15, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov r0, r5 - - mov #2, r2 - XCHG (r2, @r8, r3) - - tst r3, r3 - bt/s 6f - mov #-ETIMEDOUT, r1 - cmp/eq r5, r1 - bf 1b - -2: mov #ETIMEDOUT, r3 - -6: - mov r3, r0 - add #8, r15 - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r10 - mov.l @r15+, r11 - rts - mov.l @r15+, r12 - -3: - mov.l @r15+, r12 - rts - mov #EINVAL, r0 -# endif - cfi_endproc - -.L1k: - .word 1000 - .align 2 -.L1g: - .long 1000000000 - - .size __lll_timedlock_wait,.-__lll_timedlock_wait -#endif - - .globl __lll_unlock_wake_private - .type __lll_unlock_wake_private,@function - .hidden __lll_unlock_wake_private - .align 5 - cfi_startproc -__lll_unlock_wake_private: - LOAD_PRIVATE_FUTEX_WAKE (r5, r0, r1) - mov #1, r6 /* Wake one thread. */ - mov #0, r7 - mov.l r7, @r4 /* Stores 0. */ - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - rts - nop - cfi_endproc - .size __lll_unlock_wake_private,.-__lll_unlock_wake_private - -#ifdef NOT_IN_libc - .globl __lll_unlock_wake - .type __lll_unlock_wake,@function - .hidden __lll_unlock_wake - .align 5 - cfi_startproc -__lll_unlock_wake: - LOAD_FUTEX_WAKE (r5, r0, r1) - mov #1, r6 /* Wake one thread. */ - mov #0, r7 - mov.l r7, @r4 /* Stores 0. */ - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - rts - nop - cfi_endproc - .size __lll_unlock_wake,.-__lll_unlock_wake - - .globl __lll_timedwait_tid - .type __lll_timedwait_tid,@function - .hidden __lll_timedwait_tid - .align 5 - cfi_startproc -__lll_timedwait_tid: - mov.l r9, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r9, 0) - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r4, r8 - mov r5, r9 - - /* Stack frame for the timespec and timeval structs. */ - add #-8, r15 - cfi_adjust_cfa_offset(8) - -2: - /* Get current time. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(4,r15), r0 - mov.w .L1k2, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 5f - mov.l .L1g2, r1 - add r1, r3 - add #-1, r2 -5: - cmp/pz r2 - bf 6f /* Time is already up. */ - - mov.l r2, @r15 /* Store relative timeout. */ - mov.l r3, @(4,r15) - - mov.l @r8, r2 - tst r2, r2 - bt 4f - - mov r8, r4 - /* XXX The kernel so far uses global futex for the wakeup at - all times. */ - mov #0, r5 - extu.b r5, r5 - mov r2, r6 - mov r15, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - mov.l @r8, r2 - tst r2, r2 - bf 1f -4: - mov #0, r0 -3: - add #8, r15 - mov.l @r15+, r8 - rts - mov.l @r15+, r9 -1: - /* Check whether the time expired. */ - mov #-ETIMEDOUT, r1 - cmp/eq r0, r1 - bf 2b -6: - bra 3b - mov #ETIMEDOUT, r0 - cfi_endproc - -.L1k2: - .word 1000 - .align 2 -.L1g2: - .long 1000000000 - .size __lll_timedwait_tid,.-__lll_timedwait_tid -#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h index a9652bbb1..abe6e9c37 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h @@ -1,5 +1,4 @@ -/* Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009 - Free Software Foundation, Inc. +/* Copyright (C) 2005-2013 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 @@ -9,27 +8,29 @@ 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 + 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 + License along with the GNU C Library. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _LOWLEVELLOCK_H #define _LOWLEVELLOCK_H 1 -#ifndef __ASSEMBLER__ #include <time.h> #include <sys/param.h> #include <bits/pthreadtypes.h> +#include <atomic.h> +#include <sysdep.h> #include <bits/kernel-features.h> -#endif #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 +#define FUTEX_REQUEUE 3 #define FUTEX_CMP_REQUEUE 4 #define FUTEX_WAKE_OP 5 +#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) #define FUTEX_LOCK_PI 6 #define FUTEX_UNLOCK_PI 7 #define FUTEX_TRYLOCK_PI 8 @@ -40,13 +41,11 @@ #define FUTEX_BITSET_MATCH_ANY 0xffffffff -#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) - /* Values for 'private' parameter of locking macros. Yes, the definition seems to be backwards. But it is not. The bit will be reversed before passing to the system call. */ -#define LLL_PRIVATE 0 -#define LLL_SHARED FUTEX_PRIVATE_FLAG +#define LLL_PRIVATE 0 +#define LLL_SHARED FUTEX_PRIVATE_FLAG #if !defined NOT_IN_libc || defined IS_IN_rtld @@ -73,347 +72,222 @@ # endif #endif -#ifndef __ASSEMBLER__ -/* Initializer for compatibility lock. */ -#define LLL_LOCK_INITIALIZER (0) -#define LLL_LOCK_INITIALIZER_LOCKED (1) -#define LLL_LOCK_INITIALIZER_WAITERS (2) - -extern int __lll_lock_wait_private (int val, int *__futex) - attribute_hidden; -extern int __lll_lock_wait (int val, int *__futex, int private) - attribute_hidden; -extern int __lll_timedlock_wait (int val, int *__futex, - const struct timespec *abstime, int private) - attribute_hidden; -extern int __lll_robust_lock_wait (int val, int *__futex, int private) - attribute_hidden; -extern int __lll_robust_timedlock_wait (int val, int *__futex, - const struct timespec *abstime, - int private) - attribute_hidden; -extern int __lll_unlock_wake_private (int *__futex) attribute_hidden; -extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden; - -#define lll_trylock(futex) \ - ({ unsigned char __ret; \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.l %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__ret) \ - : "r" (&(futex)), \ - "r" (LLL_LOCK_INITIALIZER_LOCKED), \ - "r" (LLL_LOCK_INITIALIZER) \ - : "r0", "r1", "r2", "t", "memory"); \ - __ret; }) - -#define lll_robust_trylock(futex, id) \ - ({ unsigned char __ret; \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.l %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__ret) \ - : "r" (&(futex)), \ - "r" (id), \ - "r" (LLL_LOCK_INITIALIZER) \ - : "r0", "r1", "r2", "t", "memory"); \ - __ret; }) - -#define lll_cond_trylock(futex) \ - ({ unsigned char __ret; \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%1,r2\n\ - cmp/eq r2,%3\n\ - bf 1f\n\ - mov.l %2,@%1\n\ - 1: mov r1,r15\n\ - mov #-1,%0\n\ - negc %0,%0"\ - : "=r" (__ret) \ - : "r" (&(futex)), \ - "r" (LLL_LOCK_INITIALIZER_WAITERS), \ - "r" (LLL_LOCK_INITIALIZER) \ - : "r0", "r1", "r2", "t", "memory"); \ - __ret; }) - -#define lll_lock(futex, private) \ - (void) ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (1), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - { \ - if (__builtin_constant_p (private) \ - && (private) == LLL_PRIVATE) \ - __lll_lock_wait_private (__ret, __futex); \ - else \ - __lll_lock_wait (__ret, __futex, (private)); \ - } \ - }) +#define lll_futex_wait(futexp, val, private) \ + lll_futex_timed_wait(futexp, val, NULL, private) + +#define lll_futex_timed_wait(futexp, val, timespec, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp), \ + __lll_private_flag (FUTEX_WAIT, private), \ + (val), (timespec)); \ + __ret; \ + }) + +#define lll_futex_timed_wait_bitset(futexp, val, timespec, clockbit, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + int __op = FUTEX_WAIT_BITSET | clockbit; \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + __lll_private_flag (__op, private), \ + (val), (timespec), NULL /* Unused. */, \ + FUTEX_BITSET_MATCH_ANY); \ + __ret; \ + }) + +#define lll_futex_wake(futexp, nr, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp), \ + __lll_private_flag (FUTEX_WAKE, private), \ + (nr), 0); \ + __ret; \ + }) + +#define lll_robust_dead(futexv, private) \ + do \ + { \ + int *__futexp = &(futexv); \ + atomic_or (__futexp, FUTEX_OWNER_DIED); \ + lll_futex_wake (__futexp, 1, private); \ + } \ + while (0) + +/* Returns non-zero if error happened, zero if success. */ +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + __lll_private_flag (FUTEX_CMP_REQUEUE, private),\ + (nr_wake), (nr_move), (mutex), (val)); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) + + +/* Returns non-zero if error happened, zero if success. */ +#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2, private) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + __lll_private_flag (FUTEX_WAKE_OP, private), \ + (nr_wake), (nr_wake2), (futexp2), \ + FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) + + +#define lll_trylock(lock) \ + atomic_compare_and_exchange_val_acq(&(lock), 1, 0) + +#define lll_cond_trylock(lock) \ + atomic_compare_and_exchange_val_acq(&(lock), 2, 0) + +#define __lll_robust_trylock(futex, id) \ + (atomic_compare_and_exchange_val_acq (futex, id, 0) != 0) +#define lll_robust_trylock(lock, id) \ + __lll_robust_trylock (&(lock), id) + +extern void __lll_lock_wait_private (int *futex) attribute_hidden; +extern void __lll_lock_wait (int *futex, int private) attribute_hidden; +extern int __lll_robust_lock_wait (int *futex, int private) attribute_hidden; + +#define __lll_lock(futex, private) \ + ((void) ({ \ + int *__futex = (futex); \ + if (__builtin_expect (atomic_compare_and_exchange_val_acq (__futex, \ + 1, 0), 0)) \ + { \ + if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ + __lll_lock_wait_private (__futex); \ + else \ + __lll_lock_wait (__futex, private); \ + } \ + })) +#define lll_lock(futex, private) __lll_lock (&(futex), private) + +#define __lll_robust_lock(futex, id, private) \ + ({ \ + int *__futex = (futex); \ + int __val = 0; \ + \ + if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \ + 0), 0)) \ + __val = __lll_robust_lock_wait (__futex, private); \ + __val; \ + }) #define lll_robust_lock(futex, id, private) \ - ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (id), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - __ret = __lll_robust_lock_wait (__ret, __futex, private); \ - __ret; }) - -/* Special version of lll_mutex_lock which causes the unlock function to - always wakeup waiters. */ -#define lll_cond_lock(futex, private) \ - (void) ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (2), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - __lll_lock_wait (__ret, __futex, private); }) + __lll_robust_lock (&(futex), id, private) + + +#define __lll_cond_lock(futex, private) \ + ((void) ({ \ + int *__futex = (futex); \ + if (__builtin_expect (atomic_exchange_acq (__futex, 2), 0)) \ + __lll_lock_wait (__futex, private); \ + })) +#define lll_cond_lock(futex, private) __lll_cond_lock (&(futex), private) + #define lll_robust_cond_lock(futex, id, private) \ - ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (id | FUTEX_WAITERS), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - __ret = __lll_robust_lock_wait (__ret, __futex, private); \ - __ret; }) - -#define lll_timedlock(futex, timeout, private) \ - ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (1), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - __ret = __lll_timedlock_wait (__ret, __futex, timeout, private); \ - __ret; }) - -#define lll_robust_timedlock(futex, timeout, id, private) \ - ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - nop\n\ - mov r15,r1\n\ - mov #-8,r15\n\ - 0: mov.l @%2,%0\n\ - tst %0,%0\n\ - bf 1f\n\ - mov.l %1,@%2\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (id), "r" (__futex) \ - : "r0", "r1", "t", "memory"); \ - if (__ret) \ - __ret = __lll_robust_timedlock_wait (__ret, __futex, \ - timeout, private); \ - __ret; }) - -#define lll_unlock(futex, private) \ - (void) ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%1,%0\n\ - add #-1,%0\n\ - mov.l %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (__futex) \ - : "r0", "r1", "memory"); \ - if (__ret) \ - { \ - if (__builtin_constant_p (private) \ - && (private) == LLL_PRIVATE) \ - __lll_unlock_wake_private (__futex); \ - else \ - __lll_unlock_wake (__futex, (private)); \ - } \ - }) + __lll_robust_lock (&(futex), (id) | FUTEX_WAITERS, private) -#define lll_robust_unlock(futex, private) \ - (void) ({ int __ret, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%1,%0\n\ - and %2,%0\n\ - mov.l %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__ret) : "r" (__futex), "r" (FUTEX_WAITERS) \ - : "r0", "r1", "memory"); \ - if (__ret) \ - __lll_unlock_wake (__futex, private); }) - -#define lll_robust_dead(futex, private) \ - (void) ({ int __ignore, *__futex = &(futex); \ - __asm__ __volatile__ ("\ - .align 2\n\ - mova 1f,r0\n\ - mov r15,r1\n\ - mov #-6,r15\n\ - 0: mov.l @%1,%0\n\ - or %2,%0\n\ - mov.l %0,@%1\n\ - 1: mov r1,r15"\ - : "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \ - : "r0", "r1", "memory"); \ - lll_futex_wake (__futex, 1, private); }) - -# ifdef NEED_SYSCALL_INST_PAD -# define SYSCALL_WITH_INST_PAD "\ - trapa #0x14; or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0" -# else -# define SYSCALL_WITH_INST_PAD "\ - trapa #0x14" -# endif -#define lll_futex_wait(futex, val, private) \ - lll_futex_timed_wait (futex, val, NULL, private) +extern int __lll_timedlock_wait (int *futex, const struct timespec *, + int private) attribute_hidden; +extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *, + int private) attribute_hidden; + +#define __lll_timedlock(futex, abstime, private) \ + ({ \ + int *__futex = (futex); \ + int __val = 0; \ + \ + if (__builtin_expect (atomic_exchange_acq (__futex, 1), 0)) \ + __val = __lll_timedlock_wait (__futex, abstime, private); \ + __val; \ + }) +#define lll_timedlock(futex, abstime, private) \ + __lll_timedlock (&(futex), abstime, private) -#define lll_futex_timed_wait(futex, val, timeout, private) \ +#define __lll_robust_timedlock(futex, abstime, id, private) \ ({ \ - int __status; \ - register unsigned long __r3 __asm__ ("r3") = SYS_futex; \ - register unsigned long __r4 __asm__ ("r4") = (unsigned long) (futex); \ - register unsigned long __r5 __asm__ ("r5") \ - = __lll_private_flag (FUTEX_WAIT, private); \ - register unsigned long __r6 __asm__ ("r6") = (unsigned long) (val); \ - register unsigned long __r7 __asm__ ("r7") = (unsigned long) (timeout); \ - __asm__ __volatile__ (SYSCALL_WITH_INST_PAD \ - : "=z" (__status) \ - : "r" (__r3), "r" (__r4), "r" (__r5), \ - "r" (__r6), "r" (__r7) \ - : "memory", "t"); \ - __status; \ + int *__futex = (futex); \ + int __val = 0; \ + \ + if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id, \ + 0), 0)) \ + __val = __lll_robust_timedlock_wait (__futex, abstime, private); \ + __val; \ }) +#define lll_robust_timedlock(futex, abstime, id, private) \ + __lll_robust_timedlock (&(futex), abstime, id, private) -#define lll_futex_wake(futex, nr, private) \ - do { \ - int __ignore; \ - register unsigned long __r3 __asm__ ("r3") = SYS_futex; \ - register unsigned long __r4 __asm__ ("r4") = (unsigned long) (futex); \ - register unsigned long __r5 __asm__ ("r5") \ - = __lll_private_flag (FUTEX_WAKE, private); \ - register unsigned long __r6 __asm__ ("r6") = (unsigned long) (nr); \ - register unsigned long __r7 __asm__ ("r7") = 0; \ - __asm__ __volatile__ (SYSCALL_WITH_INST_PAD \ - : "=z" (__ignore) \ - : "r" (__r3), "r" (__r4), "r" (__r5), \ - "r" (__r6), "r" (__r7) \ - : "memory", "t"); \ - } while (0) +#define __lll_unlock(futex, private) \ + (void) \ + ({ int *__futex = (futex); \ + int __oldval = atomic_exchange_rel (__futex, 0); \ + if (__builtin_expect (__oldval > 1, 0)) \ + lll_futex_wake (__futex, 1, private); \ + }) +#define lll_unlock(futex, private) __lll_unlock(&(futex), private) + + +#define __lll_robust_unlock(futex, private) \ + (void) \ + ({ int *__futex = (futex); \ + int __oldval = atomic_exchange_rel (__futex, 0); \ + if (__builtin_expect (__oldval & FUTEX_WAITERS, 0)) \ + lll_futex_wake (__futex, 1, private); \ + }) +#define lll_robust_unlock(futex, private) \ + __lll_robust_unlock(&(futex), private) #define lll_islocked(futex) \ - (futex != LLL_LOCK_INITIALIZER) + (futex != 0) + + +/* Our internal lock implementation is identical to the binary-compatible + mutex implementation. */ + +/* Initializers for lock. */ +#define LLL_LOCK_INITIALIZER (0) +#define LLL_LOCK_INITIALIZER_LOCKED (1) + +/* The states of a lock are: + 0 - untaken + 1 - taken by one user + >1 - taken by more users */ -/* The kernel notifies a process with uses CLONE_CLEARTID via futex +/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex wakeup when the clone terminates. The memory location contains the thread ID while the clone is running and is reset to zero - afterwards. */ - + afterwards. */ #define lll_wait_tid(tid) \ - do { \ - __typeof (tid) __tid; \ - while ((__tid = (tid)) != 0) \ - lll_futex_wait (&(tid), __tid, LLL_SHARED); \ + do { \ + __typeof (tid) __tid; \ + while ((__tid = (tid)) != 0) \ + lll_futex_wait (&(tid), __tid, LLL_SHARED);\ } while (0) -extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime) +extern int __lll_timedwait_tid (int *, const struct timespec *) attribute_hidden; -#define lll_timedwait_tid(tid, abstime) \ - ({ \ - int __ret = 0; \ - if (tid != 0) \ - { \ - if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \ - __ret = EINVAL; \ - else \ - __ret = __lll_timedwait_tid (&tid, abstime); \ - } \ - __ret; }) -#endif /* !__ASSEMBLER__ */ +#define lll_timedwait_tid(tid, abstime) \ + ({ \ + int __res = 0; \ + if ((tid) != 0) \ + __res = __lll_timedwait_tid (&(tid), (abstime)); \ + __res; \ + }) -#endif /* lowlevellock.h */ +#endif /* lowlevellock.h */ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S deleted file mode 100644 index 7ec8e1ab7..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevelrobustlock.S +++ /dev/null @@ -1,264 +0,0 @@ -/* Copyright (C) 2003, 2004, 2005, 2006, 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 <lowlevellock.h> -#include <lowlevelrobustlock.h> -#include <bits/kernel-features.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - .text - -#define FUTEX_WAITERS 0x80000000 -#define FUTEX_OWNER_DIED 0x40000000 - -#ifdef __ASSUME_PRIVATE_FUTEX -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - mov #(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), tmp; \ - extu.b tmp, tmp; \ - xor tmp, reg -#else -# if FUTEX_WAIT == 0 -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg -# else -# define LOAD_FUTEX_WAIT(reg,tmp,tmp2) \ - stc gbr, tmp ; \ - mov.w 99f, tmp2 ; \ - add tmp2, tmp ; \ - mov.l @tmp, tmp2 ; \ - bra 98f ; \ - mov #FUTEX_PRIVATE_FLAG, tmp ; \ -99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ -98: extu.b tmp, tmp ; \ - xor tmp, reg ; \ - and tmp2, reg ; \ - mov #FUTEX_WAIT, tmp ; \ - or tmp, reg -# endif -#endif - - .globl __lll_robust_lock_wait - .type __lll_robust_lock_wait,@function - .hidden __lll_robust_lock_wait - .align 5 - cfi_startproc -__lll_robust_lock_wait: - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r5, r8 - mov #0, r7 /* No timeout. */ - mov r6, r5 - LOAD_FUTEX_WAIT (r5, r0, r1) - -4: - mov r4, r6 - mov.l .L_FUTEX_WAITERS, r0 - or r0, r6 - shlr r0 /* r0 = FUTEX_OWNER_DIED */ - tst r0, r4 - bf/s 3f - cmp/eq r4, r6 - bt 1f - - CMPXCHG (r4, @r8, r6, r2) - bf 2f - -1: - mov r8, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - mov.l @r8, r2 - -2: - tst r2, r2 - bf/s 4b - mov r2, r4 - - stc gbr, r1 - mov.w .Ltidoff, r2 - add r2, r1 - mov.l @r1, r6 - mov #0, r3 - CMPXCHG (r3, @r8, r6, r4) - bf 4b - mov #0, r4 - -3: - mov.l @r15+, r8 - ret - mov r4, r0 - cfi_endproc - .align 2 -.L_FUTEX_WAITERS: - .long FUTEX_WAITERS -.Ltidoff: - .word TID - TLS_PRE_TCB_SIZE - .size __lll_robust_lock_wait,.-__lll_robust_lock_wait - - - .globl __lll_robust_timedlock_wait - .type __lll_robust_timedlock_wait,@function - .hidden __lll_robust_timedlock_wait - .align 5 - cfi_startproc -__lll_robust_timedlock_wait: - /* Check for a valid timeout value. */ - mov.l @(4,r6), r1 - mov.l .L1g, r0 - cmp/hs r0, r1 - bt 3f - - mov.l r11, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r11, 0) - mov.l r10, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r10, 0) - mov.l r9, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r9, 0) - mov.l r8, @-r15 - cfi_adjust_cfa_offset(4) - cfi_rel_offset (r8, 0) - mov r7, r11 - mov r4, r10 - mov r6, r9 - mov r5, r8 - - /* Stack frame for the timespec and timeval structs. */ - add #-8, r15 - cfi_adjust_cfa_offset(8) - -1: - /* Get current time. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(4,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 4f - mov.l .L1g, r1 - add r1, r3 - add #-1, r2 -4: - cmp/pz r2 - bf 8f /* Time is already up. */ - - mov.l r2, @r15 /* Store relative timeout. */ - mov.l r3, @(4,r15) - - mov r10, r6 - mov.l .L_FUTEX_WAITERS2, r0 - or r0, r6 - shlr r0 /* r0 = FUTEX_OWNER_DIED */ - tst r0, r4 - bf/s 6f - cmp/eq r4, r6 - bt 2f - - CMPXCHG (r4, @r8, r6, r2) - bf/s 5f - mov #0, r5 - -2: - mov r8, r4 - mov r11, r5 - LOAD_FUTEX_WAIT (r5, r0, r1) - mov r10, r6 - mov r15, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov r0, r5 - - mov.l @r8, r2 - -5: - tst r2, r2 - bf/s 7f - mov r2, r10 - - stc gbr, r1 - mov.w .Ltidoff2, r2 - add r2, r1 - mov.l @r1, r4 - mov #0, r3 - CMPXCHG (r3, @r8, r4, r10) - bf 7f - mov #0, r0 - -6: - add #8, r15 - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r10 - rts - mov.l @r15+, r11 - -7: - /* Check whether the time expired. */ - mov #-ETIMEDOUT, r1 - cmp/eq r5, r1 - bf 1b - -8: - bra 6b - mov #ETIMEDOUT, r0 -3: - rts - mov #EINVAL, r0 - cfi_endproc - .align 2 -.L_FUTEX_WAITERS2: - .long FUTEX_WAITERS -.L1g: - .long 1000000000 -.Ltidoff2: - .word TID - TLS_PRE_TCB_SIZE -.L1k: - .word 1000 - .size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S deleted file mode 100644 index 58a9cdef5..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S +++ /dev/null @@ -1,215 +0,0 @@ -/* Copyright (C) 2003, 2004, 2007, 2008 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 <lowlevellock.h> -#include <lowlevelbarrier.h> -#include "lowlevel-atomic.h" - - .text - - .globl pthread_barrier_wait - .type pthread_barrier_wait,@function - .align 5 -pthread_barrier_wait: - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get the mutex. */ - mov #0, r3 - mov #1, r4 - CMPXCHG (r3, @(MUTEX,r8), r4, r2) - bf 1f - - /* One less waiter. If this was the last one needed wake - everybody. */ -2: - mov.l @(LEFT,r8), r0 - add #-1, r0 - mov.l r0, @(LEFT,r8) - tst r0, r0 - bt 3f - - /* There are more threads to come. */ - mov.l @(CURR_EVENT,r8), r6 - - /* Release the mutex. */ - DEC (@(MUTEX,r8), r2) - tst r2, r2 - bf 6f -7: - /* Wait for the remaining threads. The call will return immediately - if the CURR_EVENT memory has meanwhile been changed. */ - mov r8, r4 -#if CURR_EVENT != 0 - add #CURR_EVENT, r4 -#endif -#if FUTEX_WAIT == 0 - mov.l @(PRIVATE,r8), r5 -#else - mov #FUTEX_WAIT, r5 - mov.l @(PRIVATE,r8), r0 - or r0, r5 -#endif - mov #0, r7 -8: - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - /* Don't return on spurious wakeups. The syscall does not change - any register except r0 so there is no need to reload any of - them. */ - mov.l @(CURR_EVENT,r8), r0 - cmp/eq r0, r6 - bt 8b - - /* Increment LEFT. If this brings the count back to the - initial count unlock the object. */ - mov #1, r3 - mov.l @(INIT_COUNT,r8), r4 - XADD (r3, @(LEFT,r8), r2, r5) - add #-1, r4 - cmp/eq r2, r4 - bf 10f - - /* Release the mutex. We cannot release the lock before - waking the waiting threads since otherwise a new thread might - arrive and gets waken up, too. */ - DEC (@(MUTEX,r8), r2) - tst r2, r2 - bf 9f - -10: - mov #0, r0 /* != PTHREAD_BARRIER_SERIAL_THREAD */ - lds.l @r15+, pr - mov.l @r15+, r8 - rts - mov.l @r15+, r9 - -3: - /* The necessary number of threads arrived. */ - mov.l @(CURR_EVENT,r8), r1 - add #1, r1 - mov.l r1, @(CURR_EVENT,r8) - - /* Wake up all waiters. The count is a signed number in the kernel - so 0x7fffffff is the highest value. */ - mov.l .Lall, r6 - mov r8, r4 -#if CURR_EVENT != 0 - add #CURR_EVENT, r4 -#endif - mov #0, r7 - mov #FUTEX_WAKE, r5 - mov.l @(PRIVATE,r8), r0 - or r0, r5 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - /* Increment LEFT. If this brings the count back to the - initial count unlock the object. */ - mov #1, r3 - mov.l @(INIT_COUNT,r8), r4 - XADD (r3, @(LEFT,r8), r2, r5) - add #-1, r4 - cmp/eq r2, r4 - bf 5f - - /* Release the mutex. */ - DEC (@(MUTEX,r8), r2) - tst r2, r2 - bf 4f -5: - mov #-1, r0 /* == PTHREAD_BARRIER_SERIAL_THREAD */ - lds.l @r15+, pr - mov.l @r15+, r8 - rts - mov.l @r15+, r9 - -1: - mov.l @(PRIVATE,r8), r6 - mov #LLL_SHARED, r0 - extu.b r0, r0 - xor r0, r6 - mov r2, r4 - mov r8, r5 - mov.l .Lwait0, r1 - bsrf r1 - add #MUTEX, r5 -.Lwait0b: - bra 2b - nop - -4: - mov.l @(PRIVATE,r8), r5 - mov #LLL_SHARED, r0 - extu.b r0, r0 - xor r0, r5 - mov r8, r4 - mov.l .Lwake0, r1 - bsrf r1 - add #MUTEX, r4 -.Lwake0b: - bra 5b - nop - -6: - mov r6, r9 - mov.l @(PRIVATE,r8), r5 - mov #LLL_SHARED, r0 - extu.b r0, r0 - xor r0, r5 - mov r8, r4 - mov.l .Lwake1, r1 - bsrf r1 - add #MUTEX, r4 -.Lwake1b: - bra 7b - mov r9, r6 - -9: - mov r6, r9 - mov.l @(PRIVATE,r8), r5 - mov #LLL_SHARED, r0 - extu.b r0, r0 - xor r0, r5 - mov r8, r4 - mov.l .Lwake2, r1 - bsrf r1 - add #MUTEX, r4 -.Lwake2b: - bra 10b - mov r9, r6 - - .align 2 -.Lall: - .long 0x7fffffff -.Lwait0: - .long __lll_lock_wait-.Lwait0b -.Lwake0: - .long __lll_unlock_wake-.Lwake0b -.Lwake1: - .long __lll_unlock_wake-.Lwake1b -.Lwake2: - .long __lll_unlock_wake-.Lwake2b - .size pthread_barrier_wait,.-pthread_barrier_wait diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S deleted file mode 100644 index ca0fe7966..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S +++ /dev/null @@ -1,262 +0,0 @@ -/* Copyright (C) 2003, 2004, 2006, 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 <lowlevellock.h> -#include <lowlevelcond.h> -#include <bits/kernel-features.h> -#include <pthread-pi-defines.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - .text - - /* int pthread_cond_broadcast (pthread_cond_t *cond) */ - .globl __pthread_cond_broadcast - .type __pthread_cond_broadcast, @function - .protected __pthread_cond_broadcast - .align 5 -__pthread_cond_broadcast: - mov.l r10, @-r15 - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bf 1f -2: - mov.l @(total_seq+4,r8),r0 - mov.l @(total_seq,r8),r1 - mov.l @(wakeup_seq+4,r8), r2 - cmp/hi r2, r0 - bt 3f - cmp/hi r0, r2 - bt 4f - mov.l @(wakeup_seq,r8), r2 - cmp/hi r2, r1 - bf 4f - -3: - /* Cause all currently waiting threads to recognize they are - woken up. */ - mov.l r1, @(wakeup_seq,r8) - mov.l r0, @(wakeup_seq+4,r8) - mov.l r1, @(woken_seq,r8) - mov.l r0, @(woken_seq+4,r8) - mov.l @(broadcast_seq,r8), r2 - add #1, r2 - mov.l r2, @(broadcast_seq,r8) - add r1, r1 - mov r1, r10 - mov.l r10, @(cond_futex,r8) - - /* Get the address of the mutex used. */ - mov.l @(dep_mutex,r8), r9 - - /* Unlock. */ -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 7f - -8: - /* Don't use requeue for pshared condvars. */ - mov #-1, r0 - cmp/eq r0, r9 - mov r8, r4 - bt/s 9f - add #cond_futex, r4 - - /* XXX: The kernel only supports FUTEX_CMP_REQUEUE to the same - type of futex (private resp. shared). */ - mov.l @(MUTEX_KIND,r9), r0 - tst #(PI_BIT|PS_BIT), r0 - bf 9f - - /* Wake up all threads. */ -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_CMP_REQUEUE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_CMP_REQUEUE, r0 - or r0, r5 -#endif - mov #1, r6 - mov #-1, r7 - shlr r7 /* r7 = 0x7fffffff */ - mov r9, r0 -# if MUTEX_FUTEX != 0 - add #MUTEX_FUTEX, r0 -# endif - mov r10, r1 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x16 - SYSCALL_INST_PAD - - /* For any kind of error, which mainly is EAGAIN, we try again - with WAKE. The general test also covers running on old - kernels. */ - mov r0, r1 - mov #-12, r2 - shad r2, r1 - not r1, r1 - tst r1, r1 - mov r8, r4 - bt/s 9f - add #cond_futex, r4 - -10: - mov #0, r0 - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - rts - mov.l @r15+, r10 - -4: - /* Unlock. */ -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 5f -6: - mov #0, r0 - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - rts - mov.l @r15+, r10 - -1: - /* Initial locking failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait5, r1 - bsrf r1 - mov r2, r4 -.Lwait5b: - bra 2b - nop - -5: - /* Unlock in loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake5, r1 - bsrf r1 - extu.b r5, r5 -.Lwake5b: - bra 6b - nop - -7: - /* Unlock in loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov #-1, r0 - cmp/eq r0, r9 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake6, r1 - bsrf r1 - extu.b r5, r5 -.Lwake6b: - bra 8b - nop - -9: - mov #-1, r0 - cmp/eq r0, r9 - bt/s 99f - mov #FUTEX_WAKE, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif -99: - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - bra 10b - nop - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - - .align 2 -.Lwait5: - .long __lll_lock_wait-.Lwait5b -.Lwake5: - .long __lll_unlock_wake-.Lwake5b -.Lwake6: - .long __lll_unlock_wake-.Lwake6b - .size __pthread_cond_broadcast, .-__pthread_cond_broadcast -weak_alias (__pthread_cond_broadcast, pthread_cond_broadcast) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S deleted file mode 100644 index 8a9bb0b65..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S +++ /dev/null @@ -1,189 +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 <lowlevellock.h> -#include <lowlevelcond.h> -#include <bits/kernel-features.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - .text - - /* int pthread_cond_signal (pthread_cond_t *cond) */ - .globl __pthread_cond_signal - .type __pthread_cond_signal, @function - .protected __pthread_cond_signal - .align 5 -__pthread_cond_signal: - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bf 1f -2: - mov.l @(total_seq+4,r8),r0 - mov.l @(total_seq,r8),r1 - mov.l @(wakeup_seq+4,r8), r2 - cmp/hi r2, r0 - bt 3f - cmp/hi r0, r2 - bt 4f - mov.l @(wakeup_seq,r8), r2 - cmp/hi r2, r1 - bf 4f - -3: - /* Bump the wakeup number. */ - mov #1, r2 - mov #0, r3 - clrt - mov.l @(wakeup_seq,r8),r0 - mov.l @(wakeup_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(wakeup_seq,r8) - mov.l r1,@(wakeup_seq+4,r8) - mov.l @(cond_futex,r8),r0 - add r2, r0 - mov.l r0,@(cond_futex,r8) - - /* Wake up one thread. */ - mov r8, r4 - add #cond_futex, r4 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAKE_OP, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE_OP, r0 - or r0, r5 -#endif -99: - mov #1, r6 - mov #0, r7 - mov r8, r0 - add #cond_lock, r0 - mov.l .Lfutexop, r1 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - /* For any kind of error, we try again with WAKE. - The general test also covers running on old kernels. */ - mov r0, r1 - mov #-12, r2 - shad r2, r1 - not r1, r1 - tst r1, r1 - bt 7f - -6: - mov #0, r0 - lds.l @r15+, pr - rts - mov.l @r15+, r8 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.Lfutexop: - .long FUTEX_OP_CLEAR_WAKE_IF_GT_ONE - -7: - /* r5 should be either FUTEX_WAKE_OP or - FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG from the previous syscall. */ - mov #(FUTEX_WAKE ^ FUTEX_WAKE_OP), r0 - xor r0, r5 - trapa #0x14 - SYSCALL_INST_PAD - -4: - /* Unlock. */ -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bt 6b - -5: - /* Unlock in loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake4, r1 - bsrf r1 - extu.b r5, r5 -.Lwake4b: - bra 6b - nop - -1: - /* Initial locking failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait4, r1 - bsrf r1 - mov r2, r4 -.Lwait4b: - bra 2b - nop - - .align 2 -.Lwait4: - .long __lll_lock_wait-.Lwait4b -.Lwake4: - .long __lll_unlock_wake-.Lwake4b - .size __pthread_cond_signal, .-__pthread_cond_signal -weak_alias (__pthread_cond_signal, pthread_cond_signal) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S deleted file mode 100644 index 0f79e1821..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S +++ /dev/null @@ -1,860 +0,0 @@ -/* Copyright (C) 2003, 2004, 2006, 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 <lowlevellock.h> -#include <lowlevelcond.h> -#include <pthread-errnos.h> -#include <bits/kernel-features.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - .text - -/* int pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex, - const struct timespec *abstime) */ - .globl __pthread_cond_timedwait - .type __pthread_cond_timedwait, @function - .protected __pthread_cond_timedwait - .align 5 -__pthread_cond_timedwait: -.LSTARTCODE: - mov.l r8, @-r15 -.Lpush_r8: - mov.l r9, @-r15 -.Lpush_r9: - mov.l r10, @-r15 -.Lpush_r10: - mov.l r11, @-r15 -.Lpush_r11: - mov.l r12, @-r15 -.Lpush_r12: - mov.l r13, @-r15 -.Lpush_r13: - sts.l pr, @-r15 -.Lpush_pr: - add #-64, r15 -.Lalloc: - mov r4, r8 - mov r5, r9 - mov r6, r13 -#ifdef __PIC__ - mova .Lgot0, r0 - mov.l .Lgot0, r12 - add r0, r12 -#endif - - mov.l @(4,r13), r0 - mov.l .L1g, r1 - cmp/hs r1, r0 - bf 0f - bra 18f - mov #EINVAL, r0 -0: - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bt 2f - bra 1f - nop -#ifdef __PIC__ - .align 2 -.Lgot0: - .long _GLOBAL_OFFSET_TABLE_ -#endif - -2: - /* Store the reference to the mutex. If there is already a - different value in there this is a bad user bug. */ - mov.l @(dep_mutex,r8),r0 - cmp/eq #-1, r0 - bt 17f - mov.l r9, @(dep_mutex,r8) - -17: - /* Unlock the mutex. */ - mov.l .Lmunlock1, r1 - mov #0, r5 - bsrf r1 - mov r9, r4 -.Lmunlock1b: - - tst r0, r0 - bt 0f - bra 16f - nop -0: - mov #1, r2 - mov #0, r3 - - clrt - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(total_seq,r8) - mov.l r1,@(total_seq+4,r8) - mov.l @(cond_futex,r8), r0 - add r2, r0 - mov.l r0, @(cond_futex,r8) - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8), r0 - add r2, r0 - mov.l r0, @(cond_nwaiters,r8) - - /* Get and store current wakeup_seq value. */ - mov.l @(wakeup_seq,r8), r10 - mov.l @(wakeup_seq+4,r8), r11 - mov.l @(broadcast_seq,r8), r0 - mov.l r0, @(4,r15) - -8: - /* Get current time. */ -#ifdef __NR_clock_gettime - /* Get the clock number. */ - mov.l @(cond_nwaiters,r8), r4 - mov #((1 << nwaiters_shift) - 1), r0 - and r0, r4 - /* Only clocks 0 and 1 are allowed. Both are handled in the - kernel. */ - mov r15, r5 - add #16, r5 - mov.w .L__NR_clock_gettime, r3 - trapa #0x12 - SYSCALL_INST_PAD -# ifndef __ASSUME_POSIX_TIMERS - cmp/eq #-ENOSYS, r0 - bt 19f -# endif - - /* Compute relative timeout. */ - mov.l @r13, r2 - mov.l @(4,r13), r3 - mov.l @(16,r15), r0 - bra 0f - mov.l @(20,r15), r1 -.L__NR_clock_gettime: - .word __NR_clock_gettime - -# ifndef __ASSUME_POSIX_TIMERS -19: - mov r15, r4 - add #16, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(20,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r13, r2 - mov.l @(4,r13), r3 - mov.l @(16,r15), r0 - sts macl, r1 -#endif -0: -#else - mov r15, r4 - add #16, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - /* Compute relative timeout. */ - mov.l @(20,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Micro seconds to nano seconds. */ - mov.l @r13, r2 - mov.l @(4,r13), r3 - mov.l @(16,r15), r0 - sts macl, r1 -#endif - sub r0, r2 - clrt - subc r1, r3 - bf 12f - mov.l .L1g, r1 - add r1, r3 - add #-1, r2 -12: - mov #-ETIMEDOUT, r1 - mov.l r1, @(12,r15) - cmp/pz r2 - bf 6f /* Time is already up. */ - - /* Store relative timeout. */ - mov.l r2, @(16,r15) - mov.l r3, @(20,r15) - mov.l @(cond_futex,r8), r1 - mov.l r1, @(8,r15) - - /* Unlock. */ -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bt 4f - bra 3f - nop -4: -.LcleanupSTART: - mov.l .Lenable1, r1 - bsrf r1 - nop -.Lenable1b: - mov.l r0, @r15 - - mov r15, r7 - add #16, r7 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAIT, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAIT, r0 - or r0, r5 -#endif -99: - mov.l @(8,r15), r6 - mov r8, r4 - add #cond_futex, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov.l r0, @(12,r15) - - mov.l .Ldisable1, r1 - bsrf r1 - mov.l @r15, r4 -.Ldisable1b: -.LcleanupEND: - - /* Lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bf 5f -6: - mov.l @(broadcast_seq,r8), r0 - mov.l @(4,r15), r1 - cmp/eq r0, r1 - bf 23f - - mov.l @(woken_seq,r8), r0 - mov.l @(woken_seq+4,r8), r1 - - mov.l @(wakeup_seq,r8), r2 - mov.l @(wakeup_seq+4,r8), r3 - - cmp/eq r3, r11 - bf 7f - cmp/eq r2, r10 - bt 15f -7: - cmp/eq r1, r3 - bf 9f - cmp/eq r0, r2 - bf 9f -15: - mov.l @(12,r15),r0 - cmp/eq #-ETIMEDOUT, r0 - bf 8b - - mov #1, r2 - mov #0, r3 - - clrt - mov.l @(wakeup_seq,r8),r0 - mov.l @(wakeup_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(wakeup_seq,r8) - mov.l r1,@(wakeup_seq+4,r8) - mov.l @(cond_futex,r8),r0 - add r2, r0 - mov.l r0,@(cond_futex,r8) - mov #ETIMEDOUT, r0 - bra 14f - mov.l r0, @(24,r15) - -23: - mov #0, r0 - bra 24f - mov.l r0, @(24,r15) - -9: - mov #0, r0 - mov.l r0, @(24,r15) -14: - mov #1, r2 - mov #0, r3 - - clrt - mov.l @(woken_seq,r8),r0 - mov.l @(woken_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(woken_seq,r8) - mov.l r1,@(woken_seq+4,r8) - -24: - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8),r0 - sub r2, r0 - mov.l r0,@(cond_nwaiters,r8) - - /* Wake up a thread which wants to destroy the condvar object. */ - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - and r1, r0 - not r0, r0 - cmp/eq #0, r0 - bf/s 25f - mov #((1 << nwaiters_shift) - 1), r1 - not r1, r1 - mov.l @(cond_nwaiters,r8),r0 - tst r1, r0 - bf 25f - - mov r8, r4 - add #cond_nwaiters, r4 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAKE, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif -99: - mov #1, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -25: -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 10f - -11: - mov r9, r4 - mov.l .Lmlocki1, r1 - bsrf r1 - nop -.Lmlocki1b: - - /* We return the result of the mutex_lock operation if it failed. */ - tst r0, r0 - bf 18f - mov.l @(24,r15), r0 - -18: - add #64, r15 - lds.l @r15+, pr - mov.l @r15+, r13 - mov.l @r15+, r12 - mov.l @r15+, r11 - mov.l @r15+, r10 - mov.l @r15+, r9 - rts - mov.l @r15+, r8 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif -.L1k: - .word 1000 - .align 2 -.Lmunlock1: - .long __pthread_mutex_unlock_usercnt-.Lmunlock1b -.Lenable1: - .long __pthread_enable_asynccancel-.Lenable1b -.Ldisable1: - .long __pthread_disable_asynccancel-.Ldisable1b -.Lmlocki1: - .long __pthread_mutex_cond_lock-.Lmlocki1b -.L1g: - .long 1000000000 - -1: - /* Initial locking failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait2, r1 - bsrf r1 - mov r2, r4 -.Lwait2b: - bra 2b - nop - -3: - /* Unlock in loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lmwait2, r1 - bsrf r1 - extu.b r5, r5 -.Lmwait2b: - bra 4b - nop - -5: - /* Locking in loop failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait3, r1 - bsrf r1 - mov r2, r4 -.Lwait3b: - bra 6b - nop - -10: - /* Unlock after loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lmwait3, r1 - bsrf r1 - extu.b r5, r5 -.Lmwait3b: - bra 11b - nop - -16: - /* The initial unlocking of the mutex failed. */ - mov.l r0, @(24,r15) -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 17f - - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lmwait4, r1 - bsrf r1 - extu.b r5, r5 -.Lmwait4b: -17: - bra 18b - mov.l @(24,r15), r0 - - .align 2 -.Lwait2: - .long __lll_lock_wait-.Lwait2b -.Lmwait2: - .long __lll_unlock_wake-.Lmwait2b -.Lwait3: - .long __lll_lock_wait-.Lwait3b -.Lmwait3: - .long __lll_unlock_wake-.Lmwait3b -.Lmwait4: - .long __lll_unlock_wake-.Lmwait4b - .size __pthread_cond_timedwait, .-__pthread_cond_timedwait -weak_alias (__pthread_cond_timedwait, pthread_cond_timedwait) - - - .type __condvar_tw_cleanup, @function -__condvar_tw_cleanup: - mov r4, r11 - - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bt 1f - nop - - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait5, r1 - bsrf r1 - mov r2, r4 -.Lwait5b: - -1: - mov.l @(broadcast_seq,r8), r0 - mov.l @(4,r15), r1 - cmp/eq r0, r1 - bf 3f - - mov #1, r2 - mov #0, r3 - - /* We increment the wakeup_seq counter only if it is lower than - total_seq. If this is not the case the thread was woken and - then canceled. In this case we ignore the signal. */ - mov.l @(total_seq+4,r8), r0 - mov.l @(wakeup_seq+4,r8), r1 - cmp/hi r1, r0 - bt/s 6f - cmp/hi r0, r1 - bt 7f - mov.l @(total_seq,r8), r0 - mov.l @(wakeup_seq,r8), r1 - cmp/hs r0, r1 - bt 7f - -6: - clrt - mov.l @(wakeup_seq,r8),r0 - mov.l @(wakeup_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(wakeup_seq,r8) - mov.l r1,@(wakeup_seq+4,r8) - mov.l @(cond_futex,r8),r0 - add r2, r0 - mov.l r0,@(cond_futex,r8) - -7: - clrt - mov.l @(woken_seq,r8),r0 - mov.l @(woken_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(woken_seq,r8) - mov.l r1,@(woken_seq+4,r8) - -3: - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8),r0 - sub r2, r0 - mov.l r0,@(cond_nwaiters,r8) - - /* Wake up a thread which wants to destroy the condvar object. */ - mov #0, r10 - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - and r1, r0 - not r0, r0 - cmp/eq #0, r0 - bf/s 4f - mov #((1 << nwaiters_shift) - 1), r1 - not r1, r1 - mov.l @(cond_nwaiters,r8),r0 - tst r1, r0 - bf 4f - - mov r8, r4 - add #cond_nwaiters, r4 - mov #FUTEX_WAKE, r5 - mov #1, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov #1, r10 - -4: -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bt 2f - - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lmwait5, r1 - bsrf r1 - extu.b r5, r5 -.Lmwait5b: - -2: - /* Wake up all waiters to make sure no signal gets lost. */ - tst r10, r10 - bf/s 5f - mov r8, r4 - add #cond_futex, r4 - mov #FUTEX_WAKE, r5 - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -5: - mov.l .Lmlocki5, r1 - bsrf r1 - mov r9, r4 -.Lmlocki5b: - -.LcallUR: - mov.l .Lresume, r1 -#ifdef __PIC__ - add r12, r1 -#endif - jsr @r1 - mov r11, r4 - sleep - - .align 2 -.Lwait5: - .long __lll_lock_wait-.Lwait5b -.Lmwait5: - .long __lll_unlock_wake-.Lmwait5b -.Lmlocki5: - .long __pthread_mutex_cond_lock-.Lmlocki5b -.Lresume: -#ifdef __PIC__ - .long _Unwind_Resume@GOTOFF -#else - .long _Unwind_Resume -#endif -.LENDCODE: - .size __condvar_tw_cleanup, .-__condvar_tw_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte 0xff ! @LPStart format (omit) - .byte 0xff ! @TType format (omit) - .byte 0x0b ! call-site format - ! DW_EH_PE_sdata4 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .ualong .LcleanupSTART-.LSTARTCODE - .ualong .LcleanupEND-.LcleanupSTART - .ualong __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 - .ualong .LcallUR-.LSTARTCODE - .ualong .LENDCODE-.LcallUR - .ualong 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 2 -.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 0x4 - .ualong .Lpush_r8-.LSTARTCODE - .byte 0xe - .uleb128 4 - .byte 0x88 - .uleb128 1 - .byte 0x4 - .ualong .Lpush_r9-.Lpush_r8 - .byte 0xe - .uleb128 8 - .byte 0x89 - .uleb128 2 - .byte 0x4 - .ualong .Lpush_r10-.Lpush_r9 - .byte 0xe - .uleb128 12 - .byte 0x8a - .uleb128 3 - .byte 0x4 - .ualong .Lpush_r11-.Lpush_r10 - .byte 0xe - .uleb128 16 - .byte 0x8b - .uleb128 4 - .byte 0x4 - .ualong .Lpush_r12-.Lpush_r11 - .byte 0xe - .uleb128 20 - .byte 0x8c - .uleb128 5 - .byte 0x4 - .ualong .Lpush_r13-.Lpush_r12 - .byte 0xe - .uleb128 24 - .byte 0x8d - .uleb128 6 - .byte 0x4 - .ualong .Lpush_pr-.Lpush_r13 - .byte 0xe - .uleb128 28 - .byte 0x91 - .uleb128 7 - .byte 0x4 - .ualong .Lalloc-.Lpush_pr - .byte 0xe - .uleb128 92 - .align 2 -.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 diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S deleted file mode 100644 index e1c5c41ba..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S +++ /dev/null @@ -1,753 +0,0 @@ -/* Copyright (C) 2003, 2004, 2006, 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 <lowlevellock.h> -#include <lowlevelcond.h> -#include <tcb-offsets.h> -#include <bits/kernel-features.h> -#include "lowlevel-atomic.h" - - .text - -/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) */ - .globl __pthread_cond_wait - .type __pthread_cond_wait, @function - .protected __pthread_cond_wait - .align 5 -__pthread_cond_wait: -.LSTARTCODE: - mov.l r8, @-r15 -.Lpush_r8: - mov.l r9, @-r15 -.Lpush_r9: - mov.l r10, @-r15 -.Lpush_r10: - mov.l r11, @-r15 -.Lpush_r11: - mov.l r12, @-r15 -.Lpush_r12: - sts.l pr, @-r15 -.Lpush_pr: - add #-48, r15 -.Lalloc: - mov r4, r8 - mov r5, r9 -#ifdef __PIC__ - mova .Lgot0, r0 - mov.l .Lgot0, r12 - add r0, r12 -#endif - - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bt 2f - bra 1f - nop -#ifdef __PIC__ - .align 2 -.Lgot0: - .long _GLOBAL_OFFSET_TABLE_ -#endif - -2: - /* Store the reference to the mutex. If there is already a - different value in there this is a bad user bug. */ - mov.l @(dep_mutex,r8),r0 - cmp/eq #-1, r0 - bt 15f - mov.l r9, @(dep_mutex,r8) - -15: - /* Unlock the mutex. */ - mov.l .Lmunlock0, r1 - mov #0, r5 - bsrf r1 - mov r9, r4 -.Lmunlock0b: - - tst r0, r0 - bt 0f - bra 12f - nop -0: - mov #1, r2 - mov #0, r3 - - clrt - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(total_seq,r8) - mov.l r1,@(total_seq+4,r8) - mov.l @(cond_futex,r8),r0 - add r2, r0 - mov.l r0,@(cond_futex,r8) - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8), r0 - add r2, r0 - mov.l r0, @(cond_nwaiters,r8) - - /* Get and store current wakeup_seq value. */ - mov.l @(wakeup_seq,r8), r10 - mov.l @(wakeup_seq+4,r8), r11 - mov.l @(broadcast_seq,r8), r0 - mov.l r0, @(4,r15) - -8: - mov.l @(cond_futex,r8),r0 - mov.l r0, @(8,r15) - - /* Unlock. */ -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 3f -4: -.LcleanupSTART: - mov.l .Lenable0, r1 - bsrf r1 - nop -.Lenable0b: - mov.l r0, @r15 - - mov #0, r7 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAIT, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff0, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAIT, r0 - or r0, r5 -#endif -99: - mov.l @(8,r15), r6 - mov r8, r4 - add #cond_futex, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - mov.l .Ldisable0, r1 - bsrf r1 - mov.l @r15, r4 -.Ldisable0b: -.LcleanupEND: - - /* Lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bf 5f -6: - mov.l @(broadcast_seq,r8), r0 - mov.l @(4,r15), r1 - cmp/eq r0, r1 - bf 16f - - mov.l @(woken_seq,r8), r0 - mov.l @(woken_seq+4,r8), r1 - - mov.l @(wakeup_seq,r8), r2 - mov.l @(wakeup_seq+4,r8), r3 - - cmp/eq r3, r11 - bf 7f - cmp/eq r2, r10 - bt 8b -7: - cmp/eq r1, r3 - bf 9f - cmp/eq r0, r2 - bt 8b -9: - mov #1, r2 - mov #0, r3 - - clrt - mov.l @(woken_seq,r8),r0 - mov.l @(woken_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(woken_seq,r8) - mov.l r1,@(woken_seq+4,r8) - -16: - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8),r0 - sub r2, r0 - mov.l r0,@(cond_nwaiters,r8) - - /* Wake up a thread which wants to destroy the condvar object. */ - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - and r1, r0 - not r0, r0 - cmp/eq #0, r0 - bf/s 17f - mov #((1 << nwaiters_shift) - 1), r1 - not r1, r1 - mov.l @(cond_nwaiters,r8),r0 - tst r1, r0 - bf 17f - - mov r8, r4 - add #cond_nwaiters, r4 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAKE, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff0, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif -99: - mov #1, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -17: -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 10f - -11: - mov.l .Lmlocki0, r1 - bsrf r1 - mov r9, r4 -.Lmlocki0b: - /* We return the result of the mutex_lock operation. */ - -14: - add #48, r15 - lds.l @r15+, pr - mov.l @r15+, r12 - mov.l @r15+, r11 - mov.l @r15+, r10 - mov.l @r15+, r9 - rts - mov.l @r15+, r8 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff0: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.Lmunlock0: - .long __pthread_mutex_unlock_usercnt-.Lmunlock0b -.Lenable0: - .long __pthread_enable_asynccancel-.Lenable0b -.Ldisable0: - .long __pthread_disable_asynccancel-.Ldisable0b -.Lmlocki0: - .long __pthread_mutex_cond_lock-.Lmlocki0b - -1: - /* Initial locking failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait0, r1 - bsrf r1 - mov r2, r4 -.Lwait0b: - bra 2b - nop -3: - /* Unlock in loop requires waekup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake0, r1 - bsrf r1 - extu.b r5, r5 -.Lwake0b: - bra 4b - nop - -5: - /* Locking in loop failed. */ - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait1, r1 - bsrf r1 - mov r2, r4 -.Lwait1b: - bra 6b - nop - -10: - /* Unlock after loop requires wakeup. */ - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake1, r1 - bsrf r1 - extu.b r5, r5 -.Lwake1b: - bra 11b - nop - -12: - /* The initial unlocking of the mutex failed. */ - mov.l r0, @(12,r15) -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bf 13f - - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake2, r1 - bsrf r1 - extu.b r5, r5 -.Lwake2b: - -13: - bra 14b - mov.l @(12,r15), r0 - - .align 2 -.Lwait0: - .long __lll_lock_wait-.Lwait0b -.Lwake0: - .long __lll_unlock_wake-.Lwake0b -.Lwait1: - .long __lll_lock_wait-.Lwait1b -.Lwake1: - .long __lll_unlock_wake-.Lwake1b -.Lwake2: - .long __lll_unlock_wake-.Lwake2b - .size __pthread_cond_wait, .-__pthread_cond_wait -weak_alias (__pthread_cond_wait, pthread_cond_wait) - - - .type __condvar_w_cleanup, @function -__condvar_w_cleanup: - mov r4, r11 - - /* Get internal lock. */ - mov #0, r3 - mov #1, r4 -#if cond_lock != 0 - CMPXCHG (r3, @(cond_lock,r8), r4, r2) -#else - CMPXCHG (r3, @r8, r4, r2) -#endif - bt 1f - nop - - mov r8, r5 -#if cond_lock != 0 - add #cond_lock, r5 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r6 - mov #LLL_SHARED, r6 -99: - extu.b r6, r6 - mov.l .Lwait3, r1 - bsrf r1 - mov r2, r4 -.Lwait3b: - -1: - mov.l @(broadcast_seq,r8), r0 - mov.l @(4,r15), r1 - cmp/eq r0, r1 - bf 3f - - mov #1, r2 - mov #0, r3 - - /* We increment the wakeup_seq counter only if it is lower than - total_seq. If this is not the case the thread was woken and - then canceled. In this case we ignore the signal. */ - mov.l @(total_seq+4,r8), r0 - mov.l @(wakeup_seq+4,r8), r1 - cmp/hi r1, r0 - bt/s 6f - cmp/hi r0, r1 - bt 7f - mov.l @(total_seq,r8), r0 - mov.l @(wakeup_seq,r8), r1 - cmp/hs r0, r1 - bt 7f - -6: - clrt - mov.l @(wakeup_seq,r8),r0 - mov.l @(wakeup_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(wakeup_seq,r8) - mov.l r1,@(wakeup_seq+4,r8) - mov.l @(cond_futex,r8),r0 - add r2, r0 - mov.l r0,@(cond_futex,r8) - -7: - clrt - mov.l @(woken_seq,r8),r0 - mov.l @(woken_seq+4,r8),r1 - addc r2, r0 - addc r3, r1 - mov.l r0,@(woken_seq,r8) - mov.l r1,@(woken_seq+4,r8) - -3: - mov #(1 << nwaiters_shift), r2 - mov.l @(cond_nwaiters,r8),r0 - sub r2, r0 - mov.l r0,@(cond_nwaiters,r8) - - /* Wake up a thread which wants to destroy the condvar object. */ - mov #0, r10 - mov.l @(total_seq,r8),r0 - mov.l @(total_seq+4,r8),r1 - and r1, r0 - not r0, r0 - cmp/eq #0, r0 - bf/s 4f - mov #((1 << nwaiters_shift) - 1), r1 - not r1, r1 - mov.l @(cond_nwaiters,r8),r0 - tst r1, r0 - bf 4f - - mov r8, r4 - add #cond_nwaiters, r4 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAKE, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff1, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif -99: - mov #1, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov #1, r10 - -4: -#if cond_lock != 0 - DEC (@(cond_lock,r8), r2) -#else - DEC (@r8, r2) -#endif - tst r2, r2 - bt 2f - - mov r8, r4 -#if cond_lock != 0 - add #cond_lock, r4 -#endif - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bf/s 99f - mov #LLL_PRIVATE, r5 - mov #LLL_SHARED, r5 -99: - mov.l .Lwake3, r1 - bsrf r1 - extu.b r5, r5 -.Lwake3b: - -2: - /* Wake up all waiters to make sure no signal gets lost. */ - tst r10, r10 - bf/s 5f - mov r8, r4 - add #cond_futex, r4 - mov.l @(dep_mutex,r8), r0 - cmp/eq #-1, r0 - bt/s 99f - mov #FUTEX_WAKE, r5 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff1, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif -99: - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -5: - mov.l .Lmlocki3, r1 - bsrf r1 - mov r9, r4 -.Lmlocki3b: - -.LcallUR: - mov.l .Lresume, r1 -#ifdef __PIC__ - add r12, r1 -#endif - jsr @r1 - mov r11, r4 - sleep - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff1: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.Lwait3: - .long __lll_lock_wait-.Lwait3b -.Lwake3: - .long __lll_unlock_wake-.Lwake3b -.Lmlocki3: - .long __pthread_mutex_cond_lock-.Lmlocki3b -.Lresume: -#ifdef __PIC__ - .long _Unwind_Resume@GOTOFF -#else - .long _Unwind_Resume -#endif -.LENDCODE: - .size __condvar_w_cleanup, .-__condvar_w_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte 0xff ! @LPStart format (omit) - .byte 0xff ! @TType format (omit) - .byte 0x0b ! call-site format - ! DW_EH_PE_sdata4 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .ualong .LcleanupSTART-.LSTARTCODE - .ualong .LcleanupEND-.LcleanupSTART - .ualong __condvar_w_cleanup-.LSTARTCODE - .uleb128 0 - .ualong .LcallUR-.LSTARTCODE - .ualong .LENDCODE-.LcallUR - .ualong 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 2 -.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 0x4 - .ualong .Lpush_r8-.LSTARTCODE - .byte 0xe - .uleb128 4 - .byte 0x88 - .uleb128 1 - .byte 0x4 - .ualong .Lpush_r9-.Lpush_r8 - .byte 0xe - .uleb128 8 - .byte 0x89 - .uleb128 2 - .byte 0x4 - .ualong .Lpush_r10-.Lpush_r9 - .byte 0xe - .uleb128 12 - .byte 0x8a - .uleb128 3 - .byte 0x4 - .ualong .Lpush_r11-.Lpush_r10 - .byte 0xe - .uleb128 16 - .byte 0x8b - .uleb128 4 - .byte 0x4 - .ualong .Lpush_r12-.Lpush_r11 - .byte 0xe - .uleb128 20 - .byte 0x8c - .uleb128 5 - .byte 0x4 - .ualong .Lpush_pr-.Lpush_r12 - .byte 0xe - .uleb128 24 - .byte 0x91 - .uleb128 6 - .byte 0x4 - .ualong .Lalloc-.Lpush_pr - .byte 0xe - .uleb128 72 - .align 2 -.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 diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S deleted file mode 100644 index b03173d82..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.S +++ /dev/null @@ -1,262 +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 <unwindbuf.h> -#include <sysdep.h> -#include <bits/kernel-features.h> -#include <lowlevellock.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - - .comm __fork_generation, 4, 4 - - .text - .globl __pthread_once - .type __pthread_once,@function - .protected __pthread_once - .align 5 - cfi_startproc -__pthread_once: - mov.l @r4, r0 - tst #2, r0 - bt 1f - rts - mov #0, r0 - -1: - mov.l r12, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r12, 0) - mov.l r9, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r9, 0) - mov.l r8, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (r8, 0) - sts.l pr, @-r15 - cfi_adjust_cfa_offset (4) - cfi_rel_offset (pr, 0) - mov r5, r8 - mov r4, r9 - - /* Not yet initialized or initialization in progress. - Get the fork generation counter now. */ -6: - mov.l @r4, r1 - mova .Lgot, r0 - mov.l .Lgot, r12 - add r0, r12 - -5: - mov r1, r0 - - tst #2, r0 - bf 4f - - and #3, r0 - mov.l .Lfgen, r2 -#ifdef __PIC__ - add r12, r2 -#endif - mov.l @r2, r3 - or r3, r0 - or #1, r0 - mov r0, r3 - mov r1, r5 - - CMPXCHG (r5, @r4, r3, r2) - bf 5b - - /* Check whether another thread already runs the initializer. */ - mov r2, r0 - tst #1, r0 - bt 3f /* No -> do it. */ - - /* Check whether the initializer execution was interrupted - by a fork. */ - xor r3, r0 - mov #-4, r1 /* -4 = 0xfffffffc */ - tst r1, r0 - bf 3f /* Different for generation -> run initializer. */ - - /* Somebody else got here first. Wait. */ -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 -# if FUTEX_WAIT != 0 - mov #FUTEX_WAIT, r0 - or r0, r5 -# endif -#endif - mov r3, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - bra 6b - nop - - .align 2 -.Lgot: - .long _GLOBAL_OFFSET_TABLE_ -#ifdef __PIC__ -.Lfgen: - .long __fork_generation@GOTOFF -#else -.Lfgen: - .long __fork_generation -#endif - -3: - /* Call the initializer function after setting up the - cancellation handler. Note that it is not possible here - to use the unwind-based cleanup handling. This would require - that the user-provided function and all the code it calls - is compiled with exceptions. Unfortunately this cannot be - guaranteed. */ - add #-UNWINDBUFSIZE, r15 - cfi_adjust_cfa_offset (UNWINDBUFSIZE) - - mov.l .Lsigsetjmp, r1 - mov #UWJMPBUF, r4 - add r15, r4 - bsrf r1 - mov #0, r5 -.Lsigsetjmp0: - tst r0, r0 - bf 7f - - mov.l .Lcpush, r1 - bsrf r1 - mov r15, r4 -.Lcpush0: - - /* Call the user-provided initialization function. */ - jsr @r8 - nop - - /* Pop the cleanup handler. */ - mov.l .Lcpop, r1 - bsrf r1 - mov r15, r4 -.Lcpop0: - - add #UNWINDBUFSIZE, r15 - cfi_adjust_cfa_offset (-UNWINDBUFSIZE) - - /* Sucessful run of the initializer. Signal that we are done. */ - INC (@r9, r2) - /* Wake up all other threads. */ - mov r9, r4 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r5 - extu.b r5, r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - -4: - lds.l @r15+, pr - cfi_adjust_cfa_offset (-4) - cfi_restore (pr) - mov.l @r15+, r8 - cfi_adjust_cfa_offset (-4) - cfi_restore (r8) - mov.l @r15+, r9 - cfi_adjust_cfa_offset (-4) - cfi_restore (r9) - mov.l @r15+, r12 - cfi_adjust_cfa_offset (-4) - cfi_restore (r12) - rts - mov #0, r0 - -7: - /* __sigsetjmp returned for the second time. */ - cfi_adjust_cfa_offset (UNWINDBUFSIZE+16) - cfi_offset (r12, -4) - cfi_offset (r9, -8) - cfi_offset (r8, -12) - cfi_offset (pr, -16) - mov #0, r7 - mov.l r7, @r9 - mov r9, r4 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r5 -#else - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 -#endif - extu.b r5, r5 - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - mov.l .Lunext, r1 - bsrf r1 - mov r15, r4 -.Lunext0: - /* NOTREACHED */ - sleep - cfi_endproc - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.Lsigsetjmp: - .long __sigsetjmp@PLT-(.Lsigsetjmp0-.) -.Lcpush: - .long HIDDEN_JUMPTARGET(__pthread_register_cancel)-.Lcpush0 -.Lcpop: - .long HIDDEN_JUMPTARGET(__pthread_unregister_cancel)-.Lcpop0 -.Lunext: - .long HIDDEN_JUMPTARGET(__pthread_unwind_next)-.Lunext0 - .size __pthread_once,.-__pthread_once - - .globl __pthread_once_internal -__pthread_once_internal = __pthread_once - - .globl pthread_once -pthread_once = __pthread_once diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.c new file mode 100644 index 000000000..46085d3b5 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_once.c @@ -0,0 +1,89 @@ +/* Copyright (C) 2004-2013 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 "pthreadP.h" +#include <lowlevellock.h> + +unsigned long int __fork_generation attribute_hidden; + +static void +clear_once_control (void *arg) +{ + pthread_once_t *once_control = (pthread_once_t *) arg; + + *once_control = 0; + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); +} + +int +__pthread_once (pthread_once_t *once_control, void (*init_routine) (void)) +{ + for (;;) + { + int oldval; + int newval; + + /* Pseudo code: + newval = __fork_generation | 1; + oldval = *once_control; + if ((oldval & 2) == 0) + *once_control = newval; + Do this atomically. + */ + do + { + newval = __fork_generation | 1; + oldval = *once_control; + if (oldval & 2) + break; + } while (atomic_compare_and_exchange_val_acq (once_control, newval, oldval) != oldval); + + /* Check if the initializer has already been done. */ + if ((oldval & 2) != 0) + return 0; + + /* Check if another thread already runs the initializer. */ + if ((oldval & 1) == 0) + break; + + /* Check whether the initializer execution was interrupted by a fork. */ + if (oldval != newval) + break; + + /* Same generation, some other thread was faster. Wait. */ + lll_futex_wait (once_control, oldval, LLL_PRIVATE); + } + + /* This thread is the first here. Do the initialization. + Register a cleanup handler so that in case the thread gets + interrupted the initialization can be restarted. */ + pthread_cleanup_push (clear_once_control, once_control); + + init_routine (); + + pthread_cleanup_pop (0); + + /* Say that the initialisation is done. */ + *once_control = __fork_generation | 2; + + /* Wake up all other threads. */ + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); + + return 0; +} +weak_alias (__pthread_once, pthread_once) +strong_alias (__pthread_once, __pthread_once_internal) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S deleted file mode 100644 index f1efab181..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S +++ /dev/null @@ -1,254 +0,0 @@ -/* Copyright (C) 2003, 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 <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include <bits/kernel-features.h> -#include "lowlevel-atomic.h" - - - .text - - .globl __pthread_rwlock_rdlock - .type __pthread_rwlock_rdlock,@function - .protected __pthread_rwlock_rdlock - .align 5 -__pthread_rwlock_rdlock: - mov.l r12, @-r15 - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 1f -2: - mov.l @(WRITER,r8), r0 - tst r0, r0 - bf 14f - mov.l @(WRITERS_QUEUED,r8), r0 - tst r0, r0 - bt 5f - mov #FLAGS, r0 - mov.b @(r0,r8), r0 - tst r0, r0 - bt 5f -3: - mov.l @(READERS_QUEUED,r8), r0 - add #1, r0 - mov.l r0, @(READERS_QUEUED,r8) - tst r0, r0 - bt 4f - - mov.l @(READERS_WAKEUP,r8), r9 - -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 10f -11: -#ifdef __ASSUME_PRIVATE_FUTEX - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0 - xor r0, r5 - extu.b r5, r5 -#else - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 -# if FUTEX_WAIT != 0 - mov #FUTEX_WAIT, r0 - or r0, r5 -# endif - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r0 - xor r0, r5 -#endif - mov r8, r4 - add #READERS_WAKEUP, r4 - mov r9, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - /* Reget the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 12f -13: - mov.l @(READERS_QUEUED,r8), r0 - add #-1, r0 - bra 2b - mov.l r0, @(READERS_QUEUED,r8) - -5: - mov #0, r3 - mov.l @(NR_READERS,r8), r0 - add #1, r0 - mov.l r0, @(NR_READERS,r8) - tst r0, r0 - bt 8f - -9: -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 6f -7: - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r12 - rts - mov r3, r0 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - -1: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait0, r1 - bsrf r1 - mov r2, r4 -.Lwait0b: - bra 2b - nop -14: - stc gbr, r1 - mov.w .Ltidoff, r2 - add r2, r1 - mov.l @r1, r1 - cmp/eq r1, r0 - bf 3b - /* Deadlock detected. */ - bra 9b - mov #EDEADLK, r3 - -.Ltidoff: - .word TID - TLS_PRE_TCB_SIZE - -6: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake0, r1 - bsrf r1 - nop -.Lwake0b: - bra 7b - mov #0, r3 - -8: - /* Overflow. */ - mov.l @(NR_READERS,r8), r1 - add #-1, r1 - mov.l r1, @(NR_READERS,r8) - bra 9b - mov #EAGAIN, r3 - -4: - /* Overflow. */ - mov.l @(READERS_QUEUED,r8), r1 - add #-1, r1 - mov.l r1, @(READERS_QUEUED,r8) - bra 9b - mov #EAGAIN, r3 - -10: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake1, r1 - bsrf r1 - nop -.Lwake1b: - bra 11b - nop - -12: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait1, r1 - bsrf r1 - mov r2, r4 -.Lwait1b: - bra 13b - nop - - .align 2 -.Lwait0: - .long __lll_lock_wait-.Lwait0b -.Lwake0: - .long __lll_unlock_wake-.Lwake0b -.Lwait1: - .long __lll_lock_wait-.Lwait1b -.Lwake1: - .long __lll_unlock_wake-.Lwake1b - .size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock - - .globl pthread_rwlock_rdlock -pthread_rwlock_rdlock = __pthread_rwlock_rdlock - - .globl __pthread_rwlock_rdlock_internal -__pthread_rwlock_rdlock_internal = __pthread_rwlock_rdlock diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S deleted file mode 100644 index 122e6199d..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S +++ /dev/null @@ -1,313 +0,0 @@ -/* Copyright (C) 2003, 2007, 2008 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 <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include <bits/kernel-features.h> -#include "lowlevel-atomic.h" - - - .text - - .globl pthread_rwlock_timedrdlock - .type pthread_rwlock_timedrdlock,@function - .align 5 -pthread_rwlock_timedrdlock: - mov.l r12, @-r15 - mov.l r10, @-r15 - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - add #-8, r15 - mov r4, r8 - mov r5, r9 - - /* Get the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 1f -2: - mov.l @(WRITER,r8), r0 - tst r0, r0 - bf 14f - mov.l @(WRITERS_QUEUED,r8), r0 - tst r0, r0 - bt 5f - mov #FLAGS, r0 - mov.b @(r0,r8), r0 - tst r0, r0 - bt 5f -3: - /* Check the value of the timeout parameter. */ - mov.l .L1g0, r1 - mov.l @(4,r9), r0 - cmp/hs r1, r0 - bt 19f - - mov.l @(READERS_QUEUED,r8), r0 - add #1, r0 - mov.l r0, @(READERS_QUEUED,r8) - tst r0, r0 - bt 4f - - mov.l @(READERS_WAKEUP,r8), r10 - -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 10f - -11: - /* Get current time. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - mov.l @(4,r15), r0 - mov.w .L1k0, r1 - dmulu.l r0, r1 /* Milli seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 15f - mov.l .L1g0, r1 - add r1, r3 - add #-1, r2 -15: - cmp/pz r2 - bf 16f /* Time is already up. */ - - /* Store relative timeout. */ - mov.l r2, @r15 - mov.l r3, @(4,r15) - - /* Futex call. */ - mov r15, r7 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0 - xor r0, r5 - extu.b r5, r5 -#else - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 -# if FUTEX_WAIT != 0 - mov #FUTEX_WAIT, r0 - or r0, r5 -# endif - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r0 - xor r0, r5 -#endif - mov r10, r6 - mov r8, r4 - add #READERS_WAKEUP, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov r0, r3 - -17: - /* Reget the lock. */ - mov #0, r5 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r5, @r8, r4, r2) -#else - CMPXCHG (r5, @(MUTEX,r8), r4, r2) -#endif - bf 12f - -13: - mov.l @(READERS_QUEUED,r8), r0 - add #-1, r0 - mov.l r0, @(READERS_QUEUED,r8) - mov #-ETIMEDOUT, r0 - cmp/eq r0, r3 - bf 2b - -18: - bra 9f - mov #ETIMEDOUT, r3 - -5: - mov #0, r3 - mov.l @(NR_READERS,r8), r0 - add #1, r0 - mov.l r0, @(NR_READERS,r8) - tst r0, r0 - bt 8f - -9: -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 6f -7: - add #8,r15 - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r10 - mov.l @r15+, r12 - rts - mov r3, r0 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.L1k0: - .long 1000 -.L1g0: - .long 1000000000 - -1: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait2, r1 - bsrf r1 - mov r2, r4 -.Lwait2b: - bra 2b - nop -14: - stc gbr, r1 - mov.w .Ltidoff, r2 - add r2, r1 - mov.l @r1, r1 - cmp/eq r1, r0 - bf 3b - /* Deadlock detected. */ - bra 9b - mov #EDEADLK, r3 - -.Ltidoff: - .word TID - TLS_PRE_TCB_SIZE - -6: - mov r3, r10 - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake2, r1 - bsrf r1 - nop -.Lwake2b: - bra 7b - mov r10, r3 - -8: - /* Overflow. */ - mov.l @(NR_READERS,r8), r1 - add #-1, r1 - mov.l r1, @(NR_READERS,r8) - bra 9b - mov #EAGAIN, r3 - -4: - /* Overflow. */ - mov.l @(READERS_QUEUED,r8), r1 - add #-1, r1 - mov.l r1, @(READERS_QUEUED,r8) - bra 9b - mov #EAGAIN, r3 - -10: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake3, r1 - bsrf r1 - nop -.Lwake3b: - bra 11b - nop - -12: - mov r3, r10 - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait3, r1 - bsrf r1 - mov r2, r4 -.Lwait3b: - bra 13b - mov r10, r3 - -16: - bra 17b - mov #-ETIMEDOUT, r3 - -19: - bra 9b - mov #EINVAL, r3 - - .align 2 -.Lwait2: - .long __lll_lock_wait-.Lwait2b -.Lwake2: - .long __lll_unlock_wake-.Lwake2b -.Lwait3: - .long __lll_lock_wait-.Lwait3b -.Lwake3: - .long __lll_unlock_wake-.Lwake3b - .size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S deleted file mode 100644 index 174165d14..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S +++ /dev/null @@ -1,297 +0,0 @@ -/* Copyright (C) 2003, 2007, 2008 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 <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include <bits/kernel-features.h> -#include "lowlevel-atomic.h" - - - .text - - .globl pthread_rwlock_timedwrlock - .type pthread_rwlock_timedwrlock,@function - .align 5 -pthread_rwlock_timedwrlock: - mov.l r12, @-r15 - mov.l r10, @-r15 - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - add #-8, r15 - mov r4, r8 - mov r5, r9 - - /* Get the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 1f -2: - mov.l @(WRITER,r8), r0 - tst r0, r0 - bf 14f - mov.l @(NR_READERS,r8), r0 - tst r0, r0 - bt 5f -3: - /* Check the value of the timeout parameter. */ - mov.l .L1g1, r1 - mov.l @(4,r9), r0 - cmp/hs r1, r0 - bt 19f - - mov.l @(WRITERS_QUEUED,r8), r0 - add #1, r0 - mov.l r0, @(WRITERS_QUEUED,r8) - tst r0, r0 - bt 4f - - mov.l @(WRITERS_WAKEUP,r8), r10 - -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 10f - -11: - /* Get current time. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - mov.l @(4,r15), r0 - mov.w .L1k1, r1 - dmulu.l r0, r1 /* Milli seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 15f - mov.l .L1g1, r1 - add r1, r3 - add #-1, r2 -15: - cmp/pz r2 - bf 16f /* Time is already up. */ - - /* Store relative timeout. */ - mov.l r2, @r15 - mov.l r3, @(4,r15) - - /* Futex call. */ - mov r15, r7 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0 - xor r0, r5 - extu.b r5, r5 -#else - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 -# if FUTEX_WAIT != 0 - mov #FUTEX_WAIT, r0 - or r0, r5 -# endif - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r0 - xor r0, r5 -#endif - mov r10, r6 - mov r8, r4 - add #WRITERS_WAKEUP, r4 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - mov r0, r3 - -17: - /* Reget the lock. */ - mov #0, r5 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r5, @r8, r4, r2) -#else - CMPXCHG (r5, @(MUTEX,r8), r4, r2) -#endif - bf 12f - -13: - mov.l @(WRITERS_QUEUED,r8), r0 - add #-1, r0 - mov.l r0, @(WRITERS_QUEUED,r8) - mov #-ETIMEDOUT, r0 - cmp/eq r0, r3 - bf 2b - -18: - bra 9f - mov #ETIMEDOUT, r3 - -19: - bra 9f - mov #EINVAL, r3 - -5: - mov #0, r3 - stc gbr, r0 - mov.w .Ltidoff, r1 - mov.l @(r0,r1), r0 - mov.l r0, @(WRITER,r8) -9: -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 6f -7: - add #8,r15 - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r10 - mov.l @r15+, r12 - rts - mov r3, r0 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif -.L1k1: - .word 1000 - .align 2 -.L1g1: - .long 1000000000 - -1: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait6, r1 - bsrf r1 - mov r2, r4 -.Lwait6b: - bra 2b - nop -14: - stc gbr, r1 - mov.w .Ltidoff, r2 - add r2, r1 - mov.l @r1, r1 - cmp/eq r1, r0 - bf 3b - bra 9b - mov #EDEADLK, r3 -6: - mov r3, r10 - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake6, r1 - bsrf r1 - nop -.Lwake6b: - bra 7b - mov r10, r3 - -.Ltidoff: - .word TID - TLS_PRE_TCB_SIZE - -4: - /* Overflow. */ - mov.l @(WRITERS_QUEUED,r8), r1 - add #-1, r1 - mov.l r1, @(WRITERS_QUEUED,r8) - bra 9b - mov #EAGAIN, r3 - -10: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake7, r1 - bsrf r1 - nop -.Lwake7b: - bra 11b - nop - -12: - mov r3, r10 - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait7, r1 - bsrf r1 - mov r2, r4 -.Lwait7b: - bra 13b - mov r10, r3 - -16: - bra 17b - mov #-ETIMEDOUT, r3 - - .align 2 -.Lwait6: - .long __lll_lock_wait-.Lwait6b -.Lwake6: - .long __lll_unlock_wake-.Lwake6b -.Lwait7: - .long __lll_lock_wait-.Lwait7b -.Lwake7: - .long __lll_unlock_wake-.Lwake7b - .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S deleted file mode 100644 index ad492aad9..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S +++ /dev/null @@ -1,198 +0,0 @@ -/* Copyright (C) 2003, 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 <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <bits/kernel-features.h> -#include <tcb-offsets.h> -#include "lowlevel-atomic.h" - - - .text - - .globl __pthread_rwlock_unlock - .type __pthread_rwlock_unlock,@function - .protected __pthread_rwlock_unlock - .align 5 -__pthread_rwlock_unlock: - mov.l r12, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 1f -2: - mov.l @(WRITER,r8), r0 - tst r0, r0 - bf 5f - mov.l @(NR_READERS,r8), r0 - add #-1, r0 - mov.l r0, @(NR_READERS,r8) - tst r0, r0 - bf 6f -5: - mov #0, r0 - mov.l r0, @(WRITER,r8) - mov #1, r6 - mov r8, r4 - add #WRITERS_WAKEUP, r4 - mov.l @(WRITERS_QUEUED,r8), r0 - tst r0, r0 - bf 0f - - /* If also no readers waiting nothing to do. */ - mov.l @(READERS_QUEUED,r8), r0 - tst r0, r0 - bt 6f - - mov #-1, r6 - shlr r6 /* r6 = 0x7fffffff */ - mov r8, r4 - add #READERS_WAKEUP, r4 - -0: - mov.l @r4, r0 - add #1, r0 - mov.l r0, @r4 -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 7f - -8: -#ifdef __ASSUME_PRIVATE_FUTEX - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAKE), r0 - xor r0, r5 - extu.b r5, r5 -#else - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov #FUTEX_WAKE, r0 - or r0, r5 - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r0 - xor r0, r5 -#endif - mov #SYS_futex, r3 - mov #0, r7 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r12 - rts - mov #0, r0 -6: -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 3f -4: - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r12 - rts - mov #0, r0 - -1: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait8, r1 - bsrf r1 - mov r2, r4 -.Lwait8b: - bra 2b - nop -3: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake8, r1 - bsrf r1 - nop -.Lwake8b: - bra 4b - nop - -7: - mov.l r4, @-r15 - mov.l r6, @-r15 - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake9, r1 - bsrf r1 - nop -.Lwake9b: - - mov.l @r15+, r6 - bra 8b - mov.l @r15+, r4 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif - .align 2 -.Lwait8: - .long __lll_lock_wait-.Lwait8b -.Lwake8: - .long __lll_unlock_wake-.Lwake8b -.Lwake9: - .long __lll_unlock_wake-.Lwake9b - .size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock - - .globl pthread_rwlock_unlock -pthread_rwlock_unlock = __pthread_rwlock_unlock - - .globl __pthread_rwlock_unlock_internal -__pthread_rwlock_unlock_internal = __pthread_rwlock_unlock diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S deleted file mode 100644 index ee28fcea9..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S +++ /dev/null @@ -1,234 +0,0 @@ -/* Copyright (C) 2003, 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 <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <tcb-offsets.h> -#include <bits/kernel-features.h> -#include "lowlevel-atomic.h" - - - .text - - .globl __pthread_rwlock_wrlock - .type __pthread_rwlock_wrlock,@function - .protected __pthread_rwlock_wrlock - .align 5 -__pthread_rwlock_wrlock: - mov.l r12, @-r15 - mov.l r9, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mov r4, r8 - - /* Get the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 1f -2: - mov.l @(WRITER,r8), r0 - tst r0, r0 - bf 14f - mov.l @(NR_READERS,r8), r0 - tst r0, r0 - bt 5f -3: - mov.l @(WRITERS_QUEUED,r8), r0 - add #1, r0 - mov.l r0, @(WRITERS_QUEUED,r8) - tst r0, r0 - bt 4f - - mov.l @(WRITERS_WAKEUP,r8), r9 - -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 10f -11: - mov r8, r4 - add #WRITERS_WAKEUP, r4 -#ifdef __ASSUME_PRIVATE_FUTEX - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - mov #(FUTEX_PRIVATE_FLAG|FUTEX_WAIT), r0 - xor r0, r5 - extu.b r5, r5 -#else - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 -# if FUTEX_WAIT != 0 - mov #FUTEX_WAIT, r0 - or r0, r5 -# endif - stc gbr, r1 - mov.w .Lpfoff, r2 - add r2, r1 - mov.l @r1, r0 - xor r0, r5 -#endif - mov r9, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - /* Reget the lock. */ - mov #0, r3 - mov #1, r4 -#if MUTEX == 0 - CMPXCHG (r3, @r8, r4, r2) -#else - CMPXCHG (r3, @(MUTEX,r8), r4, r2) -#endif - bf 12f -13: - mov.l @(WRITERS_QUEUED,r8), r0 - add #-1, r0 - bra 2b - mov.l r0, @(WRITERS_QUEUED,r8) - -5: - mov #0, r3 - stc gbr, r0 - mov.w .Ltidoff, r1 - mov.l @(r0,r1), r0 - mov.l r0, @(WRITER,r8) -9: -#if MUTEX == 0 - DEC (@r8, r2) -#else - DEC (@(MUTEX,r8), r2) -#endif - tst r2, r2 - bf 6f -7: - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r9 - mov.l @r15+, r12 - rts - mov r3, r0 - -1: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait4, r1 - bsrf r1 - mov r2, r4 -.Lwait4b: - bra 2b - nop -14: - stc gbr, r1 - mov.w .Ltidoff, r2 - add r2, r1 - mov.l @r1, r1 - cmp/eq r1, r0 - bf 3b - bra 9b - mov #EDEADLK, r3 -6: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake4, r1 - bsrf r1 - nop -.Lwake4b: - bra 7b - mov #0, r3 - -#ifndef __ASSUME_PRIVATE_FUTEX -.Lpfoff: - .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE -#endif -.Ltidoff: - .word TID - TLS_PRE_TCB_SIZE - -4: - mov.l @(WRITERS_QUEUED,r8), r1 - add #-1, r1 - mov.l r1, @(WRITERS_QUEUED,r8) - bra 9b - mov #EAGAIN, r3 - -10: - mov r8, r4 -#if MUTEX != 0 - add #MUTEX, r4 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r5 - extu.b r5, r5 - mov.l .Lwake5, r1 - bsrf r1 - nop -.Lwake5b: - bra 11b - nop - -12: - mov r8, r5 -#if MUTEX != 0 - add #MUTEX, r5 -#endif - mov #PSHARED, r0 - mov.b @(r0,r8), r6 - extu.b r6, r6 - mov.l .Lwait5, r1 - bsrf r1 - mov r2, r4 -.Lwait5b: - bra 13b - nop - - .align 2 -.Lwait4: - .long __lll_lock_wait-.Lwait4b -.Lwake4: - .long __lll_unlock_wake-.Lwake4b -.Lwait5: - .long __lll_lock_wait-.Lwait5b -.Lwake5: - .long __lll_unlock_wake-.Lwake5b - .globl pthread_rwlock_wrlock -pthread_rwlock_wrlock = __pthread_rwlock_wrlock - - .globl __pthread_rwlock_wrlock_internal -__pthread_rwlock_wrlock_internal = __pthread_rwlock_wrlock diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S deleted file mode 100644 index 290209b7b..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_post.S +++ /dev/null @@ -1,108 +0,0 @@ -/* Copyright (C) 2003, 2004, 2007, 2008 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 <structsem.h> -#include <lowlevellock.h> -#include "lowlevel-atomic.h" - - - .text - - .globl sem_post - .type sem_post,@function - .align 5 -sem_post: - mov.l @(VALUE,r4), r2 -0: - mov.l .Lmax, r1 - cmp/eq r1, r2 - bt/s 3f - mov r2, r3 - mov r3, r5 - add #1, r5 - CMPXCHG (r3, @(VALUE,r4), r5, r2) - bf 0b - mov.l @(NWAITERS,r4), r2 - tst r2, r2 - bt 2f - mov #FUTEX_WAKE, r5 - mov.l @(PRIVATE,r4), r1 - or r1, r5 - mov #1, r6 - mov #0, r7 - mov #SYS_futex, r3 - extu.b r3, r3 - trapa #0x14 - SYSCALL_INST_PAD - - cmp/pz r0 - bf 1f -2: - rts - mov #0, r0 - -1: - bra 4f - mov #EINVAL, r2 - -3: - mov #EOVERFLOW, r2 -4: - mov.l r12, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - mova .Lgot3, r0 - mov.l .Lgot3, r12 - add r0, r12 - -#if USE___THREAD - mov.l .Lerrno3, r0 - stc gbr, r1 - mov.l @(r0, r12), r0 - bra .Lexit - add r1, r0 - .align 2 -.Lerrno3: - .long errno@GOTTPOFF -.Lexit: - mov.l r2, @r0 -#else - mov r2, r8 - mov.l .Lerrloc3, r1 - bsrf r1 - nop -.Lerrloc3b: - mov r8, @r0 -#endif - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r12 - rts - mov #-1, r0 - - .align 2 -.Lmax: - .long SEM_VALUE_MAX -.Lgot3: - .long _GLOBAL_OFFSET_TABLE_ -#if !USE___THREAD -.Lerrloc3: - .long __errno_location@PLT-(.Lerrloc3b-.) -#endif - .size sem_post,.-sem_post diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_timedwait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_timedwait.S deleted file mode 100644 index f8e801306..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_timedwait.S +++ /dev/null @@ -1,357 +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_timedwait - .type sem_timedwait,@function - .align 5 -sem_timedwait: -.LSTARTCODE: - mov.l @r4, r0 -2: - tst r0, r0 - bt 1f - mov r0, r3 - mov r0, r6 - add #-1, r3 - CMPXCHG (r6, @r4, r3, r2) - bf/s 2b - mov r2, r0 - rts - mov #0, r0 - -1: - /* Check whether the timeout value is valid. */ - mov.l r8, @-r15 -.Lpush_r8: - mov.l r9, @-r15 -.Lpush_r9: - mov.l r10, @-r15 -.Lpush_r10: - mov.l r12, @-r15 -.Lpush_r12: - sts.l pr, @-r15 -.Lpush_pr: - add #-8, r15 -.Lalloc: - mov r4, r8 - mov r5, r9 - - /* Check for invalid nanosecond field. */ - mov.l @(4,r9), r0 - mov.l .L1g, r1 - cmp/hs r1, r0 - bt/s 6f - mov #EINVAL, r0 - INC (@(NWAITERS,r8),r2) - -7: - /* Compute relative timeout. */ - mov r15, r4 - mov #0, r5 - mov #__NR_gettimeofday, r3 - trapa #0x12 - SYSCALL_INST_PAD - - mov.l @(4,r15), r0 - mov.w .L1k, r1 - dmulu.l r0, r1 /* Milli seconds to nano seconds. */ - mov.l @r9, r2 - mov.l @(4,r9), r3 - mov.l @r15, r0 - sts macl, r1 - sub r0, r2 - clrt - subc r1, r3 - bf 5f - mov.l .L1g, r1 - add r1, r3 - add #-1, r2 -5: - cmp/pz r2 - bf/s 6f /* Time is already up. */ - mov #ETIMEDOUT, r0 - - /* Store relative timeout. */ - mov.l r2, @r15 - mov.l r3, @(4,r15) - -.LcleanupSTART: - 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 r15, 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 9f - cmp/eq #-EWOULDBLOCK, r0 - bf 3f -9: - mov.l @r8, r0 -8: - tst r0, r0 - bt 7b - - mov r0, r3 - mov r0, r4 - add #-1, r3 - CMPXCHG (r4, @r8, r3, r2) - bf/s 8b - mov r2, r0 - - DEC (@(NWAITERS,r8), r2) - mov #0, r0 - -10: - add #8, r15 - lds.l @r15+, pr - mov.l @r15+, r12 - mov.l @r15+, r10 - mov.l @r15+, r9 - mov.l @r15+, r8 - rts - nop - -3: - neg r0, r0 -6: - mov r0, r10 - mova .Lgot2, r0 - mov.l .Lgot2, r12 - add r0, r12 - -#if USE___THREAD - mov.l .Lerrno2, r0 - stc gbr, r1 - mov.l @(r0, r12), r0 - bra .Lexit - add r1, r0 - .align 2 -.Lerrno2: - .long errno@GOTTPOFF -.Lexit: -#else - mov.l .Lerrloc2, r1 - bsrf r1 - nop -.Lerrloc2b: -#endif - mov.l r10, @r0 - DEC (@(NWAITERS,r8), r2) - bra 10b - mov #-1, r0 - -.L1k: - .word 1000 - .align 2 -.L1g: - .long 1000000000 -.Lgot2: - .long _GLOBAL_OFFSET_TABLE_ -#if !USE___THREAD -.Lerrloc2: - .long __errno_location@PLT-(.Lerrloc2b-.) -#endif -.Lenable0: - .long __pthread_enable_asynccancel-.Lenable0b -.Ldisable0: - .long __pthread_disable_asynccancel-.Ldisable0b - .size sem_timedwait,.-sem_timedwait - - .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_r9-.Lpush_r8 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 8 - .byte 0x89 ! DW_CFA_offset r9 - .uleb128 2 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_r10-.Lpush_r9 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 12 - .byte 0x8a ! DW_CFA_offset r10 - .uleb128 3 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_r12-.Lpush_r10 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 16 - .byte 0x8c ! DW_CFA_offset r12 - .uleb128 4 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lpush_pr-.Lpush_r12 - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 20 - .byte 0x91 ! DW_CFA_offset pr - .uleb128 5 - .byte 4 ! DW_CFA_advance_loc4 - .ualong .Lalloc-.Lpush_pr - .byte 14 ! DW_CFA_def_cfa_offset - .uleb128 28 - .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 diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S deleted file mode 100644 index 8e84f2589..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sem_trywait.S +++ /dev/null @@ -1,88 +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 <lowlevellock.h> -#include "lowlevel-atomic.h" - - - .text - - .globl sem_trywait - .type sem_trywait,@function - .align 5 -sem_trywait: - mov.l r12, @-r15 - mov.l r8, @-r15 - sts.l pr, @-r15 - 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 - - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r12 - rts - mov #0, r0 - -1: - mov #EAGAIN, r8 - mova .Lgot1, r0 - mov.l .Lgot1, r12 - add r0, r12 - -#if USE___THREAD - mov.l .Lerrno1, r0 - stc gbr, r1 - mov.l @(r0, r12), r0 - bra .Lexit - add r1, r0 - .align 2 -.Lerrno1: - .long errno@GOTTPOFF -.Lexit: -#else - mov.l .Lerrloc1, r1 - bsrf r1 - nop -.Lerrloc1b: -#endif - mov.l r8, @r0 - lds.l @r15+, pr - mov.l @r15+, r8 - mov.l @r15+, r12 - rts - mov #-1, r0 - - .align 2 -.Lgot1: - .long _GLOBAL_OFFSET_TABLE_ -#if !USE___THREAD -.Lerrloc1: - .long __errno_location@PLT-(.Lerrloc1b-.) -#endif - .size sem_trywait,.-sem_trywait 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 diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h deleted file mode 100644 index 8cdcac556..000000000 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h +++ /dev/null @@ -1,4 +0,0 @@ -/* 4 instruction cycles not accessing cache and TLB are needed after - trapa instruction to avoid an SH-4 silicon bug. */ -#define NEED_SYSCALL_INST_PAD -#include <sysdeps/unix/sysv/linux/sh/lowlevellock.h> |