diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64')
19 files changed, 541 insertions, 618 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S index 3265eee0ed..ce8ad27aa7 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S @@ -17,19 +17,4 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <kernel-features.h> - -/* All locks in libc are private. Use the kernel feature if possible. */ -#define FUTEX_PRIVATE_FLAG 128 -#ifdef __ASSUME_PRIVATE_FUTEX -# define FUTEX_WAIT (0 | FUTEX_PRIVATE_FLAG) -# define FUTEX_WAKE (1 | FUTEX_PRIVATE_FLAG) -#else -# define LOAD_FUTEX_WAIT(reg) \ - movl %fs:PRIVATE_FUTEX, reg -# define LOAD_FUTEX_WAKE(reg) \ - movl %fs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAKE, reg -#endif - #include "lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S index 502f1d442f..7065cfac32 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S @@ -19,33 +19,46 @@ #include <sysdep.h> #include <pthread-errnos.h> +#include <kernel-features.h> +#include <lowlevellock.h> .text -#ifndef LOCK -# ifdef UP -# define LOCK +#ifdef __ASSUME_PRIVATE_FUTEX +# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ + movl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg +# define LOAD_PRIVATE_FUTEX_WAKE(reg) \ + movl $(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg +# define LOAD_FUTEX_WAIT(reg) \ + xorl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg +# define LOAD_FUTEX_WAKE(reg) \ + xorl $(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg +#else +# if FUTEX_WAIT == 0 +# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ + movl %fs:PRIVATE_FUTEX, reg # else -# define LOCK lock +# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ + movl %fs:PRIVATE_FUTEX, reg ; \ + orl $FUTEX_WAIT, reg # endif -#endif - -#define SYS_futex 202 -#ifndef FUTEX_WAIT -# define FUTEX_WAIT 0 -# define FUTEX_WAKE 1 -#endif - -#ifndef LOAD_FUTEX_WAIT +# define LOAD_PRIVATE_FUTEX_WAKE(reg) \ + movl %fs:PRIVATE_FUTEX, reg ; \ + orl $FUTEX_WAKE, reg # if FUTEX_WAIT == 0 # define LOAD_FUTEX_WAIT(reg) \ - xorl reg, reg + xorl $FUTEX_PRIVATE_FLAG, reg ; \ + andl %fs:PRIVATE_FUTEX, reg # else # define LOAD_FUTEX_WAIT(reg) \ - movl $FUTEX_WAIT, reg + xorl $FUTEX_PRIVATE_FLAG, reg ; \ + andl %fs:PRIVATE_FUTEX, reg ; \ + orl $FUTEX_WAIT, reg # endif # define LOAD_FUTEX_WAKE(reg) \ - movl $FUTEX_WAKE, reg + xorl $FUTEX_PRIVATE_FLAG, reg ; \ + andl %fs:PRIVATE_FUTEX, reg ; \ + orl $FUTEX_WAKE, reg #endif @@ -53,11 +66,11 @@ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 - .globl __lll_mutex_lock_wait - .type __lll_mutex_lock_wait,@function - .hidden __lll_mutex_lock_wait + .globl __lll_lock_wait_private + .type __lll_lock_wait_private,@function + .hidden __lll_lock_wait_private .align 16 -__lll_mutex_lock_wait: +__lll_lock_wait_private: cfi_startproc pushq %r10 cfi_adjust_cfa_offset(8) @@ -67,7 +80,7 @@ __lll_mutex_lock_wait: cfi_offset(%rdx, -24) xorq %r10, %r10 /* No timeout. */ movl $2, %edx - LOAD_FUTEX_WAIT (%esi) + LOAD_PRIVATE_FUTEX_WAIT (%esi) cmpl %edx, %eax /* NB: %edx == 2 */ jne 2f @@ -89,15 +102,52 @@ __lll_mutex_lock_wait: cfi_restore(%r10) retq cfi_endproc - .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait - + .size __lll_lock_wait_private,.-__lll_lock_wait_private #ifdef NOT_IN_libc - .globl __lll_mutex_timedlock_wait - .type __lll_mutex_timedlock_wait,@function - .hidden __lll_mutex_timedlock_wait + .globl __lll_lock_wait + .type __lll_lock_wait,@function + .hidden __lll_lock_wait .align 16 -__lll_mutex_timedlock_wait: +__lll_lock_wait: + cfi_startproc + pushq %r10 + cfi_adjust_cfa_offset(8) + pushq %rdx + cfi_adjust_cfa_offset(8) + cfi_offset(%r10, -16) + cfi_offset(%rdx, -24) + xorq %r10, %r10 /* No timeout. */ + movl $2, %edx + LOAD_FUTEX_WAIT (%esi) + + cmpl %edx, %eax /* NB: %edx == 2 */ + jne 2f + +1: movl $SYS_futex, %eax + syscall + +2: movl %edx, %eax + xchgl %eax, (%rdi) /* NB: lock is implied */ + + testl %eax, %eax + jnz 1b + + popq %rdx + cfi_adjust_cfa_offset(-8) + cfi_restore(%rdx) + popq %r10 + cfi_adjust_cfa_offset(-8) + cfi_restore(%r10) + retq + cfi_endproc + .size __lll_lock_wait,.-__lll_lock_wait + + .globl __lll_timedlock_wait + .type __lll_timedlock_wait,@function + .hidden __lll_timedlock_wait + .align 16 +__lll_timedlock_wait: cfi_startproc /* Check for a valid timeout value. */ cmpq $1000000000, 8(%rdx) @@ -118,10 +168,12 @@ __lll_mutex_timedlock_wait: cfi_offset(%r12, -32) cfi_offset(%r13, -40) cfi_offset(%r14, -48) + pushq %rsi + cfi_adjust_cfa_offset(8) /* Stack frame for the timespec and timeval structs. */ - subq $16, %rsp - cfi_adjust_cfa_offset(16) + subq $24, %rsp + cfi_adjust_cfa_offset(24) movq %rdi, %r12 movq %rdx, %r13 @@ -162,6 +214,7 @@ __lll_mutex_timedlock_wait: je 8f movq %rsp, %r10 + movl 24(%rsp), %esi LOAD_FUTEX_WAIT (%esi) movq %r12, %rdi movl $SYS_futex, %eax @@ -174,8 +227,8 @@ __lll_mutex_timedlock_wait: cmpxchgl %edx, (%r12) jnz 7f -6: addq $16, %rsp - cfi_adjust_cfa_offset(-16) +6: addq $32, %rsp + cfi_adjust_cfa_offset(-32) popq %r14 cfi_adjust_cfa_offset(-8) cfi_restore(%r14) @@ -196,7 +249,7 @@ __lll_mutex_timedlock_wait: 3: movl $EINVAL, %eax retq - cfi_adjust_cfa_offset(56) + cfi_adjust_cfa_offset(72) cfi_offset(%r8, -16) cfi_offset(%r9, -24) cfi_offset(%r12, -32) @@ -216,15 +269,15 @@ __lll_mutex_timedlock_wait: 5: movl $ETIMEDOUT, %eax jmp 6b cfi_endproc - .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait + .size __lll_timedlock_wait,.-__lll_timedlock_wait #endif - .globl __lll_mutex_unlock_wake - .type __lll_mutex_unlock_wake,@function - .hidden __lll_mutex_unlock_wake + .globl __lll_unlock_wake_private + .type __lll_unlock_wake_private,@function + .hidden __lll_unlock_wake_private .align 16 -__lll_mutex_unlock_wake: +__lll_unlock_wake_private: cfi_startproc pushq %rsi cfi_adjust_cfa_offset(8) @@ -234,7 +287,7 @@ __lll_mutex_unlock_wake: cfi_offset(%rdx, -24) movl $0, (%rdi) - LOAD_FUTEX_WAKE (%esi) + LOAD_PRIVATE_FUTEX_WAKE (%esi) movl $1, %edx /* Wake one thread. */ movl $SYS_futex, %eax syscall @@ -247,10 +300,38 @@ __lll_mutex_unlock_wake: cfi_restore(%rsi) retq cfi_endproc - .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake - + .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 16 +__lll_unlock_wake: + cfi_startproc + pushq %rsi + cfi_adjust_cfa_offset(8) + pushq %rdx + cfi_adjust_cfa_offset(8) + cfi_offset(%rsi, -16) + cfi_offset(%rdx, -24) + + movl $0, (%rdi) + LOAD_FUTEX_WAKE (%esi) + movl $1, %edx /* Wake one thread. */ + movl $SYS_futex, %eax + syscall + + popq %rdx + cfi_adjust_cfa_offset(-8) + cfi_restore(%rdx) + popq %rsi + cfi_adjust_cfa_offset(-8) + cfi_restore(%rsi) + retq + cfi_endproc + .size __lll_unlock_wake,.-__lll_unlock_wake + .globl __lll_timedwait_tid .type __lll_timedwait_tid,@function .hidden __lll_timedwait_tid diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h index 7ec7deff17..192d203926 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h @@ -20,17 +20,27 @@ #ifndef _LOWLEVELLOCK_H #define _LOWLEVELLOCK_H 1 -#include <time.h> -#include <sys/param.h> -#include <bits/pthreadtypes.h> -#include <kernel-features.h> -#include <tcb-offsets.h> - -#ifndef LOCK_INSTR -# ifdef UP -# define LOCK_INSTR /* nothing */ -# else -# define LOCK_INSTR "lock;" +#ifndef __ASSEMBLER__ +# include <time.h> +# include <sys/param.h> +# include <bits/pthreadtypes.h> +# include <kernel-features.h> +# include <tcb-offsets.h> + +# ifndef LOCK_INSTR +# ifdef UP +# define LOCK_INSTR /* nothing */ +# else +# define LOCK_INSTR "lock;" +# endif +# endif +#else +# ifndef LOCK +# ifdef UP +# define LOCK +# else +# define LOCK lock +# endif # endif #endif @@ -38,11 +48,13 @@ #define FUTEX_WAIT 0 #define FUTEX_WAKE 1 #define FUTEX_CMP_REQUEUE 4 +#define FUTEX_WAKE_OP 5 #define FUTEX_LOCK_PI 6 #define FUTEX_UNLOCK_PI 7 #define FUTEX_TRYLOCK_PI 8 #define FUTEX_PRIVATE_FLAG 128 +#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 @@ -50,6 +62,8 @@ #define LLL_PRIVATE 0 #define LLL_SHARED FUTEX_PRIVATE_FLAG +#ifndef __ASSEMBLER__ + #if !defined NOT_IN_libc || defined IS_IN_rtld /* In libc.so or ld.so all futexes are private. */ # ifdef __ASSUME_PRIVATE_FUTEX @@ -76,13 +90,13 @@ # endif #endif -/* Initializer for compatibility lock. */ -#define LLL_MUTEX_LOCK_INITIALIZER (0) -#define LLL_MUTEX_LOCK_INITIALIZER_LOCKED (1) -#define LLL_MUTEX_LOCK_INITIALIZER_WAITERS (2) +/* Initializer for lock. */ +#define LLL_LOCK_INITIALIZER (0) +#define LLL_LOCK_INITIALIZER_LOCKED (1) +#define LLL_LOCK_INITIALIZER_WAITERS (2) /* Delay in spinlock loop. */ -#define BUSY_WAIT_NOP asm ("rep; nop") +#define BUSY_WAIT_NOP asm ("rep; nop") #define LLL_STUB_UNWIND_INFO_START \ @@ -196,7 +210,7 @@ LLL_STUB_UNWIND_INFO_END : "=a" (__status) \ : "0" (SYS_futex), "D" (futex), \ "S" (__lll_private_flag (FUTEX_WAIT, private)), \ - "d" (_val), "r" (__to) \ + "d" (_val), "r" (__to) \ : "memory", "cc", "r11", "cx"); \ __status; \ }) @@ -215,242 +229,308 @@ LLL_STUB_UNWIND_INFO_END } while (0) - -/* Does not preserve %eax and %ecx. */ -extern int __lll_mutex_lock_wait (int *__futex, int __val) attribute_hidden; -/* Does not preserver %eax, %ecx, and %edx. */ -extern int __lll_mutex_timedlock_wait (int *__futex, int __val, - const struct timespec *__abstime) - attribute_hidden; -/* Preserves all registers but %eax. */ -extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden; - - -/* NB: in the lll_mutex_trylock macro we simply return the value in %eax +/* NB: in the lll_trylock macro we simply return the value in %eax after the cmpxchg instruction. In case the operation succeded this value is zero. In case the operation failed, the cmpxchg instruction has loaded the current value of the memory work which is guaranteed to be nonzero. */ -#define lll_mutex_trylock(futex) \ +#if defined NOT_IN_libc || defined UP +# define __lll_trylock_asm LOCK_INSTR "cmpxchgl %2, %1" +#else +# define __lll_trylock_asm "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ + "je 0f\n\t" \ + "lock; cmpxchgl %2, %1\n\t" \ + "jmp 1f\n\t" \ + "0:\tcmpxchgl %2, %1\n\t" \ + "1:" +#endif + +#define lll_trylock(futex) \ ({ int ret; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \ + __asm __volatile (__lll_trylock_asm \ : "=a" (ret), "=m" (futex) \ - : "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\ - "0" (LLL_MUTEX_LOCK_INITIALIZER) \ + : "r" (LLL_LOCK_INITIALIZER_LOCKED), "m" (futex), \ + "0" (LLL_LOCK_INITIALIZER) \ : "memory"); \ ret; }) - -#define lll_robust_mutex_trylock(futex, id) \ +#define lll_robust_trylock(futex, id) \ ({ int ret; \ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \ : "=a" (ret), "=m" (futex) \ - : "r" (id), "m" (futex), \ - "0" (LLL_MUTEX_LOCK_INITIALIZER) \ + : "r" (id), "m" (futex), "0" (LLL_LOCK_INITIALIZER) \ : "memory"); \ ret; }) - -#define lll_mutex_cond_trylock(futex) \ +#define lll_cond_trylock(futex) \ ({ int ret; \ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \ : "=a" (ret), "=m" (futex) \ - : "r" (LLL_MUTEX_LOCK_INITIALIZER_WAITERS), \ - "m" (futex), "0" (LLL_MUTEX_LOCK_INITIALIZER) \ + : "r" (LLL_LOCK_INITIALIZER_WAITERS), \ + "m" (futex), "0" (LLL_LOCK_INITIALIZER) \ : "memory"); \ ret; }) - -#define lll_mutex_lock(futex) \ - (void) ({ int ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \ +#if defined NOT_IN_libc || defined UP +# define __lll_lock_asm_start LOCK_INSTR "cmpxchgl %4, %2\n\t" \ + "jnz 1f\n\t" +#else +# define __lll_lock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ + "je 0f\n\t" \ + "lock; cmpxchgl %4, %2\n\t" \ "jnz 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_mutex_lock_%=, @function\n" \ - "_L_mutex_lock_%=:\n" \ - "1:\tleaq %2, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_lock_wait\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_mutex_lock_%=, 6b-1b\n\t" \ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\ - "=a" (ignore3) \ - : "0" (1), "m" (futex), "3" (0) \ - : "cx", "r11", "cc", "memory"); }) - - -#define lll_robust_mutex_lock(futex, id) \ + "jmp 24f\n" \ + "0:\tcmpxchgl %4, %2\n\t" \ + "jnz 1f\n\t" +#endif + +#define lll_lock(futex, private) \ + (void) \ + ({ int ignore1, ignore2, ignore3; \ + if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ + __asm __volatile (__lll_lock_asm_start \ + ".subsection 1\n\t" \ + ".type _L_lock_%=, @function\n" \ + "_L_lock_%=:\n" \ + "1:\tleaq %2, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_lock_wait_private\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_lock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \ + "=a" (ignore3) \ + : "0" (1), "m" (futex), "3" (0) \ + : "cx", "r11", "cc", "memory"); \ + else \ + __asm __volatile (__lll_lock_asm_start \ + ".subsection 1\n\t" \ + ".type _L_lock_%=, @function\n" \ + "_L_lock_%=:\n" \ + "1:\tleaq %2, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_lock_wait\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_lock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \ + "=a" (ignore3) \ + : "1" (1), "m" (futex), "3" (0), "0" (private) \ + : "cx", "r11", "cc", "memory"); \ + }) \ + +#define lll_robust_lock(futex, id, private) \ ({ int result, ignore1, ignore2; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \ + __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \ "jnz 1f\n\t" \ ".subsection 1\n\t" \ - ".type _L_robust_mutex_lock_%=, @function\n" \ - "_L_robust_mutex_lock_%=:\n" \ + ".type _L_robust_lock_%=, @function\n" \ + "_L_robust_lock_%=:\n" \ "1:\tleaq %2, %%rdi\n" \ "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_robust_mutex_lock_wait\n" \ + "3:\tcallq __lll_robust_lock_wait\n" \ "4:\taddq $128, %%rsp\n" \ "5:\tjmp 24f\n" \ - "6:\t.size _L_robust_mutex_lock_%=, 6b-1b\n\t" \ + "6:\t.size _L_robust_lock_%=, 6b-1b\n\t" \ ".previous\n" \ LLL_STUB_UNWIND_INFO_5 \ "24:" \ - : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \ + : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \ "=a" (result) \ - : "0" (id), "m" (futex), "3" (0) \ + : "1" (id), "m" (futex), "3" (0), "0" (private) \ : "cx", "r11", "cc", "memory"); \ result; }) - -#define lll_mutex_cond_lock(futex) \ - (void) ({ int ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \ - "jnz 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_mutex_cond_lock_%=, @function\n" \ - "_L_mutex_cond_lock_%=:\n" \ - "1:\tleaq %2, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_lock_wait\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_mutex_cond_lock_%=, 6b-1b\n\t" \ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\ - "=a" (ignore3) \ - : "0" (2), "m" (futex), "3" (0) \ - : "cx", "r11", "cc", "memory"); }) - - -#define lll_robust_mutex_cond_lock(futex, id) \ +#define lll_cond_lock(futex, private) \ + (void) \ + ({ int ignore1, ignore2, ignore3; \ + __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \ + "jnz 1f\n\t" \ + ".subsection 1\n\t" \ + ".type _L_cond_lock_%=, @function\n" \ + "_L_cond_lock_%=:\n" \ + "1:\tleaq %2, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_lock_wait\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_cond_lock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \ + "=a" (ignore3) \ + : "1" (2), "m" (futex), "3" (0), "0" (private) \ + : "cx", "r11", "cc", "memory"); \ + }) + +#define lll_robust_cond_lock(futex, id, private) \ ({ int result, ignore1, ignore2; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %0, %2\n\t" \ + __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \ "jnz 1f\n\t" \ ".subsection 1\n\t" \ - ".type _L_robust_mutex_cond_lock_%=, @function\n" \ - "_L_robust_mutex_cond_lock_%=:\n" \ + ".type _L_robust_cond_lock_%=, @function\n" \ + "_L_robust_cond_lock_%=:\n" \ "1:\tleaq %2, %%rdi\n" \ "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_robust_mutex_lock_wait\n" \ + "3:\tcallq __lll_robust_lock_wait\n" \ "4:\taddq $128, %%rsp\n" \ "5:\tjmp 24f\n" \ - "6:\t.size _L_robust_mutex_cond_lock_%=, 6b-1b\n\t" \ + "6:\t.size _L_robust_cond_lock_%=, 6b-1b\n\t" \ ".previous\n" \ LLL_STUB_UNWIND_INFO_5 \ "24:" \ - : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \ + : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \ "=a" (result) \ - : "0" (id | FUTEX_WAITERS), "m" (futex), "3" (0) \ + : "1" (id | FUTEX_WAITERS), "m" (futex), "3" (0), \ + "0" (private) \ : "cx", "r11", "cc", "memory"); \ result; }) - -#define lll_mutex_timedlock(futex, timeout) \ +#define lll_timedlock(futex, timeout, private) \ ({ int result, ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t" \ + __asm __volatile (LOCK_INSTR "cmpxchgl %1, %4\n\t" \ "jnz 1f\n\t" \ ".subsection 1\n\t" \ - ".type _L_mutex_timedlock_%=, @function\n" \ - "_L_mutex_timedlock_%=:\n" \ + ".type _L_timedlock_%=, @function\n" \ + "_L_timedlock_%=:\n" \ "1:\tleaq %4, %%rdi\n" \ "0:\tmovq %8, %%rdx\n" \ "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_timedlock_wait\n" \ + "3:\tcallq __lll_timedlock_wait\n" \ "4:\taddq $128, %%rsp\n" \ "5:\tjmp 24f\n" \ - "6:\t.size _L_mutex_timedlock_%=, 6b-1b\n\t" \ + "6:\t.size _L_timedlock_%=, 6b-1b\n\t" \ ".previous\n" \ LLL_STUB_UNWIND_INFO_6 \ "24:" \ - : "=a" (result), "=&D" (ignore1), "=S" (ignore2), \ + : "=a" (result), "=D" (ignore1), "=S" (ignore2), \ "=&d" (ignore3), "=m" (futex) \ - : "0" (0), "2" (1), "m" (futex), "m" (timeout) \ + : "0" (0), "1" (1), "m" (futex), "m" (timeout), \ + "2" (private) \ : "memory", "cx", "cc", "r10", "r11"); \ result; }) - -#define lll_robust_mutex_timedlock(futex, timeout, id) \ +#define lll_robust_timedlock(futex, timeout, id, private) \ ({ int result, ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %2, %4\n\t" \ + __asm __volatile (LOCK_INSTR "cmpxchgl %1, %4\n\t" \ "jnz 1f\n\t" \ ".subsection 1\n\t" \ - ".type _L_robust_mutex_timedlock_%=, @function\n" \ - "_L_robust_mutex_timedlock_%=:\n" \ + ".type _L_robust_timedlock_%=, @function\n" \ + "_L_robust_timedlock_%=:\n" \ "1:\tleaq %4, %%rdi\n" \ "0:\tmovq %8, %%rdx\n" \ "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_robust_mutex_timedlock_wait\n" \ + "3:\tcallq __lll_robust_timedlock_wait\n" \ "4:\taddq $128, %%rsp\n" \ "5:\tjmp 24f\n" \ - "6:\t.size _L_robust_mutex_timedlock_%=, 6b-1b\n\t" \ + "6:\t.size _L_robust_timedlock_%=, 6b-1b\n\t" \ ".previous\n" \ LLL_STUB_UNWIND_INFO_6 \ "24:" \ - : "=a" (result), "=&D" (ignore1), "=S" (ignore2), \ + : "=a" (result), "=D" (ignore1), "=S" (ignore2), \ "=&d" (ignore3), "=m" (futex) \ - : "0" (0), "2" (id), "m" (futex), "m" (timeout) \ + : "0" (0), "1" (id), "m" (futex), "m" (timeout), \ + "2" (private) \ : "memory", "cx", "cc", "r10", "r11"); \ result; }) +#if defined NOT_IN_libc || defined UP +# define __lll_unlock_asm_start LOCK_INSTR "decl %0\n\t" \ + "jne 1f\n\t" +#else +# define __lll_unlock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ + "je 0f\n\t" \ + "lock; decl %0\n\t" \ + "jne 1f\n\t" \ + "jmp 24f\n\t" \ + "0:\tdecl %0\n\t" \ + "jne 1f\n\t" +#endif -#define lll_mutex_unlock(futex) \ - (void) ({ int ignore; \ - __asm __volatile (LOCK_INSTR "decl %0\n\t" \ - "jne 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_mutex_unlock_%=, @function\n" \ - "_L_mutex_unlock_%=:\n" \ - "1:\tleaq %0, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_unlock_wake\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_mutex_unlock_%=, 6b-1b\n\t" \ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=m" (futex), "=&D" (ignore) \ - : "m" (futex) \ - : "ax", "cx", "r11", "cc", "memory"); }) - - -#define lll_robust_mutex_unlock(futex) \ - (void) ({ int ignore; \ - __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \ - "jne 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_robust_mutex_unlock_%=, @function\n" \ - "_L_robust_mutex_unlock_%=:\n" \ - "1:\tleaq %0, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_unlock_wake\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_robust_mutex_unlock_%=, 6b-1b\n\t"\ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=m" (futex), "=&D" (ignore) \ - : "i" (FUTEX_WAITERS), "m" (futex) \ - : "ax", "cx", "r11", "cc", "memory"); }) - - -#define lll_robust_mutex_dead(futex) \ - (void) ({ int ignore; \ - __asm __volatile (LOCK_INSTR "orl %3, (%2)\n\t" \ - "syscall" \ - : "=m" (futex), "=a" (ignore) \ - : "D" (&(futex)), "i" (FUTEX_OWNER_DIED), \ - "S" (FUTEX_WAKE), "1" (__NR_futex), \ - "d" (1) \ - : "cx", "r11", "cc", "memory"); }) - +#define lll_unlock(futex, private) \ + (void) \ + ({ int ignore; \ + if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ + __asm __volatile (__lll_unlock_asm_start \ + ".subsection 1\n\t" \ + ".type _L_unlock_%=, @function\n" \ + "_L_unlock_%=:\n" \ + "1:\tleaq %0, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_unlock_wake_private\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_unlock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=m" (futex), "=&D" (ignore) \ + : "m" (futex) \ + : "ax", "cx", "r11", "cc", "memory"); \ + else \ + __asm __volatile (__lll_unlock_asm_start \ + ".subsection 1\n\t" \ + ".type _L_unlock_%=, @function\n" \ + "_L_unlock_%=:\n" \ + "1:\tleaq %0, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_unlock_wake\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_unlock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=m" (futex), "=&D" (ignore) \ + : "m" (futex), "S" (private) \ + : "ax", "cx", "r11", "cc", "memory"); \ + }) + +#define lll_robust_unlock(futex, private) \ + do \ + { \ + int ignore; \ + __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \ + "jne 1f\n\t" \ + ".subsection 1\n\t" \ + ".type _L_robust_unlock_%=, @function\n" \ + "_L_robust_unlock_%=:\n" \ + "1:\tleaq %0, %%rdi\n" \ + "2:\tsubq $128, %%rsp\n" \ + "3:\tcallq __lll_unlock_wake\n" \ + "4:\taddq $128, %%rsp\n" \ + "5:\tjmp 24f\n" \ + "6:\t.size _L_robust_unlock_%=, 6b-1b\n\t" \ + ".previous\n" \ + LLL_STUB_UNWIND_INFO_5 \ + "24:" \ + : "=m" (futex), "=&D" (ignore) \ + : "i" (FUTEX_WAITERS), "m" (futex), \ + "S" (private) \ + : "ax", "cx", "r11", "cc", "memory"); \ + } \ + while (0) + +#define lll_robust_dead(futex, private) \ + do \ + { \ + int ignore; \ + __asm __volatile (LOCK_INSTR "orl %3, (%2)\n\t" \ + "syscall" \ + : "=m" (futex), "=a" (ignore) \ + : "D" (&(futex)), "i" (FUTEX_OWNER_DIED), \ + "S" (__lll_private_flag (FUTEX_WAKE, private)), \ + "1" (__NR_futex), "d" (1) \ + : "cx", "r11", "cc", "memory"); \ + } \ + while (0) /* Returns non-zero if error happened, zero if success. */ #define lll_futex_requeue(ftx, nr_wake, nr_move, mutex, val) \ @@ -461,117 +541,13 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden; __asm __volatile ("syscall" \ : "=a" (__res) \ : "0" (__NR_futex), "D" ((void *) ftx), \ - "S" (FUTEX_CMP_REQUEUE), "d" (nr_wake), \ - "r" (__nr_move), "r" (__mutex), "r" (__val) \ + "S" (FUTEX_CMP_REQUEUE), "d" (nr_wake), \ + "r" (__nr_move), "r" (__mutex), "r" (__val) \ : "cx", "r11", "cc", "memory"); \ __res < 0; }) - -#define lll_mutex_islocked(futex) \ - (futex != LLL_MUTEX_LOCK_INITIALIZER) - - -/* We have a separate internal lock implementation which is not tied - to binary compatibility. */ - -/* Type for lock object. */ -typedef int lll_lock_t; - -/* 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 - 2 - taken by more users */ - - -#if defined NOT_IN_libc || defined UP -# define lll_trylock(futex) lll_mutex_trylock (futex) -# define lll_lock(futex) lll_mutex_lock (futex) -# define lll_unlock(futex) lll_mutex_unlock (futex) -#else -/* Special versions of the macros for use in libc itself. They avoid - the lock prefix when the thread library is not used. - - The code sequence to avoid unnecessary lock prefixes is what the AMD - guys suggested. If you do not like it, bring it up with AMD. - - XXX In future we might even want to avoid it on UP machines. */ - -# define lll_trylock(futex) \ - ({ unsigned char ret; \ - __asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ - "je 0f\n\t" \ - "lock; cmpxchgl %2, %1\n\t" \ - "jmp 1f\n" \ - "0:\tcmpxchgl %2, %1\n\t" \ - "1:setne %0" \ - : "=a" (ret), "=m" (futex) \ - : "r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), "m" (futex),\ - "0" (LLL_MUTEX_LOCK_INITIALIZER) \ - : "memory"); \ - ret; }) - - -# define lll_lock(futex) \ - (void) ({ int ignore1, ignore2, ignore3; \ - __asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ - "je 0f\n\t" \ - "lock; cmpxchgl %0, %2\n\t" \ - "jnz 1f\n\t" \ - "jmp 24f\n" \ - "0:\tcmpxchgl %0, %2\n\t" \ - "jnz 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_lock_%=, @function\n" \ - "_L_lock_%=:\n" \ - "1:\tleaq %2, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_lock_wait\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_lock_%=, 6b-1b\n\t" \ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=S" (ignore1), "=&D" (ignore2), "=m" (futex),\ - "=a" (ignore3) \ - : "0" (1), "m" (futex), "3" (0) \ - : "cx", "r11", "cc", "memory"); }) - - -# define lll_unlock(futex) \ - (void) ({ int ignore; \ - __asm __volatile ("cmpl $0, __libc_multiple_threads(%%rip)\n\t" \ - "je 0f\n\t" \ - "lock; decl %0\n\t" \ - "jne 1f\n\t" \ - "jmp 24f\n" \ - "0:\tdecl %0\n\t" \ - "jne 1f\n\t" \ - ".subsection 1\n\t" \ - ".type _L_unlock_%=, @function\n" \ - "_L_unlock_%=:\n" \ - "1:\tleaq %0, %%rdi\n" \ - "2:\tsubq $128, %%rsp\n" \ - "3:\tcallq __lll_mutex_unlock_wake\n" \ - "4:\taddq $128, %%rsp\n" \ - "5:\tjmp 24f\n" \ - "6:\t.size _L_unlock_%=, 6b-1b\n\t" \ - ".previous\n" \ - LLL_STUB_UNWIND_INFO_5 \ - "24:" \ - : "=m" (futex), "=&D" (ignore) \ - : "m" (futex) \ - : "ax", "cx", "r11", "cc", "memory"); }) -#endif - - #define lll_islocked(futex) \ - (futex != LLL_MUTEX_LOCK_INITIALIZER) + (futex != LLL_LOCK_INITIALIZER) /* The kernel notifies a process with uses CLONE_CLEARTID via futex @@ -610,25 +586,6 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime) } \ __result; }) - -/* Conditional variable handling. */ - -extern void __lll_cond_wait (pthread_cond_t *cond) attribute_hidden; -extern int __lll_cond_timedwait (pthread_cond_t *cond, - const struct timespec *abstime) - attribute_hidden; -extern void __lll_cond_wake (pthread_cond_t *cond) attribute_hidden; -extern void __lll_cond_broadcast (pthread_cond_t *cond) attribute_hidden; - - -#define lll_cond_wait(cond) \ - __lll_cond_wait (cond) -#define lll_cond_timedwait(cond, abstime) \ - __lll_cond_timedwait (cond, abstime) -#define lll_cond_wake(cond) \ - __lll_cond_wake (cond) -#define lll_cond_broadcast(cond) \ - __lll_cond_broadcast (cond) - +#endif /* !__ASSEMBLER__ */ #endif /* lowlevellock.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S index 69243950d7..fa7516ef71 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S @@ -1,4 +1,5 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -19,33 +20,40 @@ #include <sysdep.h> #include <pthread-errnos.h> +#include <lowlevellock.h> #include <lowlevelrobustlock.h> +#include <kernel-features.h> .text -#ifndef LOCK -# ifdef UP -# define LOCK +#define FUTEX_WAITERS 0x80000000 +#define FUTEX_OWNER_DIED 0x40000000 + +#ifdef __ASSUME_PRIVATE_FUTEX +# define LOAD_FUTEX_WAIT(reg) \ + xorl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg +#else +# if FUTEX_WAIT == 0 +# define LOAD_FUTEX_WAIT(reg) \ + xorl $FUTEX_PRIVATE_FLAG, reg ; \ + andl %fs:PRIVATE_FUTEX, reg # else -# define LOCK lock +# define LOAD_FUTEX_WAIT(reg) \ + xorl $FUTEX_PRIVATE_FLAG, reg ; \ + andl %fs:PRIVATE_FUTEX, reg ; \ + orl $FUTEX_WAIT, reg # endif #endif -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_WAITERS 0x80000000 -#define FUTEX_OWNER_DIED 0x40000000 - /* For the calculation see asm/vsyscall.h. */ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 - .globl __lll_robust_mutex_lock_wait - .type __lll_robust_mutex_lock_wait,@function - .hidden __lll_robust_mutex_lock_wait + .globl __lll_robust_lock_wait + .type __lll_robust_lock_wait,@function + .hidden __lll_robust_lock_wait .align 16 -__lll_robust_mutex_lock_wait: +__lll_robust_lock_wait: cfi_startproc pushq %r10 cfi_adjust_cfa_offset(8) @@ -55,11 +63,7 @@ __lll_robust_mutex_lock_wait: cfi_offset(%rdx, -24) xorq %r10, %r10 /* No timeout. */ -#if FUTEX_WAIT == 0 - xorl %esi, %esi -#else - movl $FUTEX_WAIT, %esi -#endif + LOAD_FUTEX_WAIT (%esi) 4: movl %eax, %edx orl $FUTEX_WAITERS, %edx @@ -97,14 +101,14 @@ __lll_robust_mutex_lock_wait: cfi_restore(%r10) retq cfi_endproc - .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait + .size __lll_robust_lock_wait,.-__lll_robust_lock_wait - .globl __lll_robust_mutex_timedlock_wait - .type __lll_robust_mutex_timedlock_wait,@function - .hidden __lll_robust_mutex_timedlock_wait + .globl __lll_robust_timedlock_wait + .type __lll_robust_timedlock_wait,@function + .hidden __lll_robust_timedlock_wait .align 16 -__lll_robust_mutex_timedlock_wait: +__lll_robust_timedlock_wait: cfi_startproc /* Check for a valid timeout value. */ cmpq $1000000000, 8(%rdx) @@ -122,10 +126,12 @@ __lll_robust_mutex_timedlock_wait: cfi_offset(%r9, -24) cfi_offset(%r12, -32) cfi_offset(%r13, -40) + pushq %rsi + cfi_adjust_cfa_offset(8) /* Stack frame for the timespec and timeval structs. */ - subq $24, %rsp - cfi_adjust_cfa_offset(24) + subq $32, %rsp + cfi_adjust_cfa_offset(32) movq %rdi, %r12 movq %rdx, %r13 @@ -174,11 +180,8 @@ __lll_robust_mutex_timedlock_wait: jnz 5f 2: movq %rsp, %r10 -#if FUTEX_WAIT == 0 - xorl %esi, %esi -#else - movl $FUTEX_WAIT, %esi -#endif + movl 32(%rsp), %esi + LOAD_FUTEX_WAIT (%esi) movq %r12, %rdi movl $SYS_futex, %eax syscall @@ -195,8 +198,8 @@ __lll_robust_mutex_timedlock_wait: cmpxchgl %edx, (%r12) jnz 7f -6: addq $24, %rsp - cfi_adjust_cfa_offset(-24) +6: addq $40, %rsp + cfi_adjust_cfa_offset(-40) popq %r13 cfi_adjust_cfa_offset(-8) cfi_restore(%r13) @@ -214,7 +217,7 @@ __lll_robust_mutex_timedlock_wait: 3: movl $EINVAL, %eax retq - cfi_adjust_cfa_offset(56) + cfi_adjust_cfa_offset(72) cfi_offset(%r8, -16) cfi_offset(%r9, -24) cfi_offset(%r12, -32) @@ -226,4 +229,4 @@ __lll_robust_mutex_timedlock_wait: 8: movl $ETIMEDOUT, %eax jmp 6b cfi_endproc - .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait + .size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S index 63771b3840..15ad534fa0 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S @@ -18,18 +18,9 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelbarrier.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - .text @@ -142,21 +133,29 @@ pthread_barrier_wait: retq -1: addq $MUTEX, %rdi - callq __lll_mutex_lock_wait +1: movl PRIVATE(%rdi), %esi + addq $MUTEX, %rdi + xorl $LLL_SHARED, %esi + callq __lll_lock_wait subq $MUTEX, %rdi jmp 2b -4: addq $MUTEX, %rdi - callq __lll_mutex_unlock_wake +4: movl PRIVATE(%rdi), %esi + addq $MUTEX, %rdi + xorl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 5b -6: addq $MUTEX, %rdi - callq __lll_mutex_unlock_wake +6: movl PRIVATE(%rdi), %esi + addq $MUTEX, %rdi + xorl $LLL_SHARED, %esi + callq __lll_unlock_wake subq $MUTEX, %rdi jmp 7b -9: addq $MUTEX, %rdi - callq __lll_mutex_unlock_wake +9: movl PRIVATE(%rdi), %esi + addq $MUTEX, %rdi + xorl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 10b .size pthread_barrier_wait,.-pthread_barrier_wait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S index 006de2696e..0c619bf271 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S @@ -1,4 +1,5 @@ -/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -19,23 +20,11 @@ #include <sysdep.h> #include <shlib-compat.h> +#include <lowlevellock.h> #include <lowlevelcond.h> #include <kernel-features.h> #include <pthread-pi-defines.h> - -#ifdef UP -# define LOCK -#else -# define LOCK lock -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_REQUEUE 3 -#define FUTEX_CMP_REQUEUE 4 - -#define EINVAL 22 +#include <pthread-errnos.h> .text @@ -115,7 +104,9 @@ __pthread_cond_broadcast: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait #if cond_lock != 0 subq $cond_lock, %rdi #endif @@ -123,12 +114,16 @@ __pthread_cond_broadcast: /* Unlock in loop requires wakeup. */ 5: addq $cond_lock-cond_futex, %rdi - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 6b /* Unlock in loop requires wakeup. */ 7: addq $cond_lock-cond_futex, %rdi - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake subq $cond_lock-cond_futex, %rdi jmp 8b diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S index 3dbb9e81e3..2fc9d1fad7 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -19,23 +19,10 @@ #include <sysdep.h> #include <shlib-compat.h> +#include <lowlevellock.h> #include <lowlevelcond.h> #include <kernel-features.h> - -#ifdef UP -# define LOCK -#else -# define LOCK lock -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_WAKE_OP 5 - -#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) - -#define EINVAL 22 +#include <pthread-errnos.h> .text @@ -111,7 +98,9 @@ __pthread_cond_signal: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait #if cond_lock != 0 subq $cond_lock, %rdi #endif @@ -120,7 +109,9 @@ __pthread_cond_signal: /* Unlock in loop requires wakeup. */ 5: movq %r8, %rdi - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 6b .size __pthread_cond_signal, .-__pthread_cond_signal versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal, diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S index 2afd601b8c..003069fb6b 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S @@ -19,19 +19,10 @@ #include <sysdep.h> #include <shlib-compat.h> +#include <lowlevellock.h> #include <lowlevelcond.h> #include <pthread-errnos.h> -#ifdef UP -# define LOCK -#else -# define LOCK lock -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - /* For the calculation see asm/vsyscall.h. */ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 @@ -301,7 +292,9 @@ __pthread_cond_timedwait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait jmp 2b /* Unlock in loop requires wakeup. */ @@ -309,7 +302,9 @@ __pthread_cond_timedwait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 4b /* Locking in loop failed. */ @@ -317,7 +312,9 @@ __pthread_cond_timedwait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait #if cond_lock != 0 subq $cond_lock, %rdi #endif @@ -328,7 +325,9 @@ __pthread_cond_timedwait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 11b /* The initial unlocking of the mutex failed. */ @@ -345,7 +344,9 @@ __pthread_cond_timedwait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake 17: movq (%rsp), %rax jmp 18b diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S index aaad22e020..34ef2c7b77 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S @@ -19,19 +19,10 @@ #include <sysdep.h> #include <shlib-compat.h> +#include <lowlevellock.h> #include <lowlevelcond.h> #include <tcb-offsets.h> -#ifdef UP -# define LOCK -#else -# define LOCK lock -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - .text @@ -58,7 +49,9 @@ __condvar_cleanup: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait #if cond_lock != 0 subq $cond_lock, %rdi #endif @@ -105,7 +98,9 @@ __condvar_cleanup: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake /* Wake up all waiters to make sure no signal gets lost. */ 2: testq %r12, %r12 @@ -307,7 +302,9 @@ __pthread_cond_wait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait jmp 2b /* Unlock in loop requires wakeup. */ @@ -315,7 +312,9 @@ __pthread_cond_wait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 4b /* Locking in loop failed. */ @@ -323,7 +322,9 @@ __pthread_cond_wait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_lock_wait + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_lock_wait #if cond_lock != 0 subq $cond_lock, %rdi #endif @@ -334,7 +335,9 @@ __pthread_cond_wait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake jmp 11b /* The initial unlocking of the mutex failed. */ @@ -351,7 +354,9 @@ __pthread_cond_wait: #if cond_lock != 0 addq $cond_lock, %rdi #endif - callq __lll_mutex_unlock_wake + /* XYZ */ + movl $LLL_SHARED, %esi + callq __lll_unlock_wake 13: movq %r10, %rax jmp 14b diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S index 7740c599d1..c3b2b51bdb 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S @@ -19,17 +19,8 @@ #include <kernel-features.h> #include <tcb-offsets.h> +#include <lowlevellock.h> -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 .comm __fork_generation, 4, 4 diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S index e8d257502f..80fedd4ab1 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S @@ -18,23 +18,12 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <pthread-errnos.h> #include <kernel-features.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 - -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - - .text .globl __pthread_rwlock_rdlock @@ -123,11 +112,11 @@ __pthread_rwlock_rdlock: movq %rdx, %rax retq -1: +1: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait #if MUTEX != 0 subq $MUTEX, %rdi #endif @@ -139,11 +128,11 @@ __pthread_rwlock_rdlock: movl $EDEADLK, %edx jmp 9b -6: +6: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake #if MUTEX != 0 subq $MUTEX, %rdi #endif @@ -159,21 +148,21 @@ __pthread_rwlock_rdlock: movl $EAGAIN, %edx jmp 9b -10: +10: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake #if MUTEX != 0 subq $MUTEX, %rdi #endif jmp 11b -12: +12: movl PSHARED(%rdi), %esi #if MUTEX == 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait #if MUTEX != 0 subq $MUTEX, %rdi #endif diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S index f703eeb29f..0fa2714426 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S @@ -18,27 +18,15 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <pthread-errnos.h> #include <kernel-features.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 - /* For the calculation see asm/vsyscall.h. */ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 - -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - - .text .globl pthread_rwlock_timedrdlock @@ -172,11 +160,11 @@ pthread_rwlock_timedrdlock: popq %r12 retq -1: +1: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait jmp 2b 14: cmpl %fs:TID, %eax @@ -184,13 +172,13 @@ pthread_rwlock_timedrdlock: movl $EDEADLK, %edx jmp 9b -6: +6: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leal MUTEX(%r12), %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 7b /* Overflow. */ @@ -203,22 +191,22 @@ pthread_rwlock_timedrdlock: movl $EAGAIN, %edx jmp 9b -10: +10: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leaq MUTEX(%r12), %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 11b -12: +12: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leaq MUTEX(%r12), %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait jmp 13b 16: movq $-ETIMEDOUT, %rdx diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S index fc3bf3d69e..1e43933ca9 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S @@ -18,26 +18,15 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <pthread-errnos.h> #include <kernel-features.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 - /* For the calculation see asm/vsyscall.h. */ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - - .text .globl pthread_rwlock_timedwrlock @@ -168,11 +157,11 @@ pthread_rwlock_timedwrlock: popq %r12 retq -1: +1: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait jmp 2b 14: cmpl %fs:TID, %eax @@ -180,13 +169,13 @@ pthread_rwlock_timedwrlock: 20: movl $EDEADLK, %edx jmp 9b -6: +6: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leal MUTEX(%r12), %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 7b /* Overflow. */ @@ -194,22 +183,22 @@ pthread_rwlock_timedwrlock: movl $EAGAIN, %edx jmp 9b -10: +10: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leaq MUTEX(%r12), %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 11b -12: +12: movl PSHARED(%r12), %esi #if MUTEX == 0 movq %r12, %rdi #else leaq MUTEX(%r12), %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait jmp 13b 16: movq $-ETIMEDOUT, %rdx diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S index c4597f60f7..cf7f607d9c 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S @@ -18,22 +18,11 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <kernel-features.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 - -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - - .text .globl __pthread_rwlock_unlock @@ -107,28 +96,28 @@ __pthread_rwlock_unlock: 4: xorl %eax, %eax retq -1: +1: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait #if MUTEX != 0 subq $MUTEX, %rdi #endif jmp 2b -3: +3: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 4b -7: +7: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 8b .size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S index 7f65726849..209c0e9a94 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S @@ -18,23 +18,12 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <lowlevelrwlock.h> #include <pthread-errnos.h> #include <kernel-features.h> -#define SYS_futex 202 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_PRIVATE_FLAG 128 - -#ifndef UP -# define LOCK lock -#else -# define LOCK -#endif - - .text .globl __pthread_rwlock_wrlock @@ -121,11 +110,11 @@ __pthread_rwlock_wrlock: movq %rdx, %rax retq -1: +1: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait #if MUTEX != 0 subq $MUTEX, %rdi #endif @@ -136,32 +125,32 @@ __pthread_rwlock_wrlock: movl $EDEADLK, %edx jmp 9b -6: +6: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake jmp 7b 4: decl WRITERS_QUEUED(%rdi) movl $EAGAIN, %edx jmp 9b -10: +10: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_unlock_wake + callq __lll_unlock_wake #if MUTEX != 0 subq $MUTEX, %rdi #endif jmp 11b -12: +12: movl PSHARED(%rdi), %esi #if MUTEX != 0 addq $MUTEX, %rdi #endif - callq __lll_mutex_lock_wait + callq __lll_lock_wait #if MUTEX != 0 subq $MUTEX, %rdi #endif diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S index 4919c11fd2..adbbcdfa71 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S @@ -18,19 +18,11 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <shlib-compat.h> #include <pthread-errnos.h> #include <structsem.h> -#ifndef UP -# define LOCK lock -#else -# define -#endif - -#define SYS_futex 202 -#define FUTEX_WAKE 1 - .text diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S index 4068a1b6b8..88e99cf6a1 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S @@ -18,23 +18,15 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <shlib-compat.h> #include <pthread-errnos.h> #include <structsem.h> -#ifndef UP -# define LOCK lock -#else -# define -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 /* For the calculation see asm/vsyscall.h. */ #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000 - .text .globl sem_timedwait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S index 643090f065..a5719cadda 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S @@ -18,15 +18,10 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <shlib-compat.h> #include <pthread-errnos.h> -#ifndef UP -# define LOCK lock -#else -# define -#endif - .text .globl sem_trywait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S index e099ede029..5320a91e19 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S @@ -18,19 +18,11 @@ 02111-1307 USA. */ #include <sysdep.h> +#include <lowlevellock.h> #include <shlib-compat.h> #include <pthread-errnos.h> #include <structsem.h> -#ifndef UP -# define LOCK lock -#else -# define -#endif - -#define SYS_futex 202 -#define FUTEX_WAIT 0 - .text |