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authorJakub Jelinek <jakub@redhat.com>2006-03-06 07:34:44 +0000
committerJakub Jelinek <jakub@redhat.com>2006-03-06 07:34:44 +0000
commit69fd14bc7d6c37d79da1e8afaac2e340a757601a (patch)
tree8fad0e43f3b796e758d1d32edf2c8c872e9ec852
parent008a1add5e19cde902d2255d03cca1d5fff26126 (diff)
* sysdeps/unix/sysv/linux/i386/lowlevellock.h
(LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END, LLL_STUB_UNWIND_INFO_3, LLL_STUB_UNWIND_INFO_4): Define. (lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock, lll_robust_mutex_cond_lock, lll_mutex_timedlock, lll_robust_mutex_timedlock, lll_mutex_unlock, lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them. Add _L_*_ symbols around the subsection. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Add unwind info. * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Likewise.
-rw-r--r--ChangeLog14
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S61
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S45
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h242
4 files changed, 280 insertions, 82 deletions
diff --git a/ChangeLog b/ChangeLog
index bdfd1c7ee3..88baea7e6d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2006-03-04 Jakub Jelinek <jakub@redhat.com>
+ Roland McGrath <roland@redhat.com>
+
+ * sysdeps/unix/sysv/linux/i386/lowlevellock.h
+ (LLL_STUB_UNWIND_INFO_START, LLL_STUB_UNWIND_INFO_END,
+ LLL_STUB_UNWIND_INFO_3, LLL_STUB_UNWIND_INFO_4): Define.
+ (lll_mutex_lock, lll_robust_mutex_lock, lll_mutex_cond_lock,
+ lll_robust_mutex_cond_lock, lll_mutex_timedlock,
+ lll_robust_mutex_timedlock, lll_mutex_unlock,
+ lll_robust_mutex_unlock, lll_lock, lll_unlock): Use them.
+ Add _L_*_ symbols around the subsection.
+ * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Add unwind info.
+ * sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S: Likewise.
+
2006-03-03 Jakub Jelinek <jakub@redhat.com>
Roland McGrath <roland@redhat.com>
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
index dc65b709a1..9acd81ae5a 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -41,9 +41,16 @@
.hidden __lll_mutex_lock_wait
.align 16
__lll_mutex_lock_wait:
+ cfi_startproc
pushl %edx
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edx, -8)
+ cfi_offset(%ebx, -12)
+ cfi_offset(%esi, -16)
movl $2, %edx
movl %ecx, %ebx
@@ -63,9 +70,16 @@ __lll_mutex_lock_wait:
jnz,pn 1b
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
ret
+ cfi_endproc
.size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
@@ -75,17 +89,27 @@ __lll_mutex_lock_wait:
.hidden __lll_mutex_timedlock_wait
.align 16
__lll_mutex_timedlock_wait:
+ cfi_startproc
/* Check for a valid timeout value. */
cmpl $1000000000, 4(%edx)
jae 3f
pushl %edi
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %ebp
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Stack frame for the timespec and timeval structs. */
subl $8, %esp
+ cfi_adjust_cfa_offset(8)
movl %ecx, %ebp
movl %edx, %edi
@@ -140,12 +164,29 @@ __lll_mutex_timedlock_wait:
jnz 7f
6: addl $8, %esp
+ cfi_adjust_cfa_offset(-8)
popl %ebp
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebp)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %edi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edi)
ret
+3: movl $EINVAL, %eax
+ ret
+
+ cfi_adjust_cfa_offset(24)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Check whether the time expired. */
7: cmpl $-ETIMEDOUT, %ecx
je 5f
@@ -157,11 +198,9 @@ __lll_mutex_timedlock_wait:
jz 6b
jmp 1b
-3: movl $EINVAL, %eax
- ret
-
5: movl $ETIMEDOUT, %eax
jmp 6b
+ cfi_endproc
.size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
#endif
@@ -200,9 +239,16 @@ lll_unlock_wake_cb:
.hidden __lll_mutex_unlock_wake
.align 16
__lll_mutex_unlock_wake:
+ cfi_startproc
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %ecx
+ cfi_adjust_cfa_offset(4)
pushl %edx
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%ebx, -8)
+ cfi_offset(%ecx, -12)
+ cfi_offset(%edx, -16)
movl %eax, %ebx
movl $0, (%eax)
@@ -212,9 +258,16 @@ __lll_mutex_unlock_wake:
ENTER_KERNEL
popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
popl %ecx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ecx)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
ret
+ cfi_endproc
.size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
index ff09745060..73d8bc4ccc 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S
@@ -44,9 +44,16 @@
.hidden __lll_robust_mutex_lock_wait
.align 16
__lll_robust_mutex_lock_wait:
+ cfi_startproc
pushl %edx
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edx, -8)
+ cfi_offset(%ebx, -12)
+ cfi_offset(%esi, -16)
movl %ecx, %ebx
xorl %esi, %esi /* No timeout. */
@@ -81,9 +88,16 @@ __lll_robust_mutex_lock_wait:
/* NB: %eax == 0 */
3: popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %edx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edx)
ret
+ cfi_endproc
.size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait
@@ -92,17 +106,27 @@ __lll_robust_mutex_lock_wait:
.hidden __lll_robust_mutex_timedlock_wait
.align 16
__lll_robust_mutex_timedlock_wait:
+ cfi_startproc
/* Check for a valid timeout value. */
cmpl $1000000000, 4(%edx)
jae 3f
pushl %edi
+ cfi_adjust_cfa_offset(4)
pushl %esi
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %ebp
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Stack frame for the timespec and timeval structs. */
subl $12, %esp
+ cfi_adjust_cfa_offset(12)
movl %ecx, %ebp
movl %edx, %edi
@@ -170,19 +194,34 @@ __lll_robust_mutex_timedlock_wait:
jnz 7f
6: addl $12, %esp
+ cfi_adjust_cfa_offset(-12)
popl %ebp
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebp)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
popl %edi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edi)
ret
+3: movl $EINVAL, %eax
+ ret
+
+ cfi_adjust_cfa_offset(28)
+ cfi_offset(%edi, -8)
+ cfi_offset(%esi, -12)
+ cfi_offset(%ebx, -16)
+ cfi_offset(%ebp, -20)
/* Check whether the time expired. */
7: cmpl $-ETIMEDOUT, %ecx
jne 1b
8: movl $ETIMEDOUT, %eax
jmp 6b
-
-3: movl $EINVAL, %eax
- ret
+ cfi_endproc
.size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index afdba009a0..23e81f4e4b 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -65,6 +65,88 @@
#define BUSY_WAIT_NOP asm ("rep; nop")
+#ifdef USE_CFA_VAL_EXPRESSION
+# define LLL_STUB_UNWIND_INFO_START \
+ ".section .eh_frame,\"a\",@progbits\n" \
+"5:\t" ".long 7f-6f # Length of Common Information Entry\n" \
+"6:\t" ".long 0x0 # CIE Identifier Tag\n\t" \
+ ".byte 0x1 # CIE Version\n\t" \
+ ".ascii \"zR\\0\" # CIE Augmentation\n\t" \
+ ".uleb128 0x1 # CIE Code Alignment Factor\n\t" \
+ ".sleb128 -4 # CIE Data Alignment Factor\n\t" \
+ ".byte 0x8 # CIE RA Column\n\t" \
+ ".uleb128 0x1 # Augmentation size\n\t" \
+ ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" \
+ ".byte 0xc # DW_CFA_def_cfa\n\t" \
+ ".uleb128 0x4\n\t" \
+ ".uleb128 0x0\n\t" \
+ ".align 4\n" \
+"7:\t" ".long 17f-8f # FDE Length\n" \
+"8:\t" ".long 8b-5b # FDE CIE offset\n\t" \
+ ".long 1b-. # FDE initial location\n\t" \
+ ".long 4b-1b # FDE address range\n\t" \
+ ".uleb128 0x0 # Augmentation size\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 10f-9f\n" \
+"9:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-1b\n"
+# define LLL_STUB_UNWIND_INFO_END \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 12f-11f\n" \
+"11:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-2b\n" \
+"12:\t" ".byte 0x40 + (3b-2b-1) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 16f-13f\n" \
+"13:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 15f-14f\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"14:\t" ".4byte 3b-.\n\t" \
+ ".byte 0x1c # DW_OP_minus\n\t" \
+ ".byte 0x0d # DW_OP_const4s\n" \
+"15:\t" ".4byte 18f-.\n\t" \
+ ".byte 0x22 # DW_OP_plus\n" \
+"16:\t" ".align 4\n" \
+"17:\t" ".previous\n"
+
+/* Unwind info for
+ 1: lea ..., ...
+ 2: call ...
+ 3: jmp 18f
+ 4:
+ snippet. */
+# define LLL_STUB_UNWIND_INFO_3 \
+LLL_STUB_UNWIND_INFO_START \
+"10:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+/* Unwind info for
+ 1: lea ..., ...
+ 0: movl ..., ...
+ 2: call ...
+ 3: jmp 18f
+ 4:
+ snippet. */
+# define LLL_STUB_UNWIND_INFO_4 \
+LLL_STUB_UNWIND_INFO_START \
+"10:\t" ".byte 0x40 + (0b-1b) # DW_CFA_advance_loc\n\t" \
+ ".byte 0x16 # DW_CFA_val_expression\n\t" \
+ ".uleb128 0x8\n\t" \
+ ".uleb128 20f-19f\n" \
+"19:\t" ".byte 0x78 # DW_OP_breg8\n\t" \
+ ".sleb128 3b-0b\n" \
+"20:\t" ".byte 0x40 + (2b-0b) # DW_CFA_advance_loc\n\t" \
+LLL_STUB_UNWIND_INFO_END
+
+#else
+# define LLL_STUB_UNWIND_INFO_3
+# define LLL_STUB_UNWIND_INFO_4
+#endif
+
+
#define lll_futex_wait(futex, val) \
({ \
int __status; \
@@ -165,13 +247,14 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jnz _L_mutex_lock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_lock_%=,@function\n" \
- "_L_mutex_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
+ "_L_mutex_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex) \
: "memory"); })
@@ -180,16 +263,17 @@ extern int __lll_mutex_unlock_wake (int *__futex)
#define lll_robust_mutex_lock(futex, id) \
({ int result, ignore; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
- "jnz _L_mutex_lock_%=\n\t" \
+ "jnz _L_robust_mutex_lock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_lock_%=,@function\n" \
- "_L_mutex_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_robust_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
+ ".type _L_robust_mutex_lock_%=,@function\n" \
+ "_L_robust_mutex_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_robust_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (result), "=c" (ignore), "=m" (futex) \
: "0" (0), "1" (id), "m" (futex) \
: "memory"); \
@@ -204,13 +288,14 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jnz _L_mutex_cond_lock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_cond_lock_%=,@function\n" \
- "_L_mutex_cond_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_cond_lock_%=,.-_L_mutex_cond_lock_%=\n" \
+ "_L_mutex_cond_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_cond_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (2), "m" (futex) \
: "memory"); })
@@ -219,16 +304,17 @@ extern int __lll_mutex_unlock_wake (int *__futex)
#define lll_robust_mutex_cond_lock(futex, id) \
({ int result, ignore; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
- "jnz _L_mutex_cond_lock_%=\n\t" \
+ "jnz _L_robust_mutex_cond_lock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_cond_lock_%=,@function\n" \
- "_L_mutex_cond_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_robust_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_cond_lock_%=,.-_L_mutex_cond_lock_%=\n"\
+ ".type _L_robust_mutex_cond_lock_%=,@function\n" \
+ "_L_robust_mutex_cond_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_robust_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_cond_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (result), "=c" (ignore), "=m" (futex) \
: "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex) \
: "memory"); \
@@ -241,14 +327,15 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jnz _L_mutex_timedlock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_timedlock_%=,@function\n" \
- "_L_mutex_timedlock_%=:\n\t" \
- "leal %3, %%ecx\n\t" \
- "movl %7, %%edx\n\t" \
- "call __lll_mutex_timedlock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_timedlock_%=,.-_L_mutex_timedlock_%=\n"\
+ "_L_mutex_timedlock_%=:\n" \
+ "1:\tleal %3, %%ecx\n" \
+ "0:\tmovl %7, %%edx\n" \
+ "2:\tcall __lll_mutex_timedlock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_timedlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_4 \
+ "18:" \
: "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex) \
: "0" (0), "1" (1), "m" (futex), "m" (timeout) \
@@ -259,17 +346,18 @@ extern int __lll_mutex_unlock_wake (int *__futex)
#define lll_robust_mutex_timedlock(futex, timeout, id) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
- "jnz _L_mutex_timedlock_%=\n\t" \
+ "jnz _L_robust_mutex_timedlock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_timedlock_%=,@function\n" \
- "_L_mutex_timedlock_%=:\n\t" \
- "leal %3, %%ecx\n\t" \
- "movl %7, %%edx\n\t" \
- "call __lll_robust_mutex_timedlock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_timedlock_%=,.-_L_mutex_timedlock_%=\n"\
+ ".type _L_robust_mutex_timedlock_%=,@function\n" \
+ "_L_robust_mutex_timedlock_%=:\n" \
+ "1:\tleal %3, %%ecx\n" \
+ "0:\tmovl %7, %%edx\n" \
+ "2:\tcall __lll_robust_mutex_timedlock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_timedlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_4 \
+ "18:" \
: "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex) \
: "0" (0), "1" (id), "m" (futex), "m" (timeout) \
@@ -283,13 +371,14 @@ extern int __lll_mutex_unlock_wake (int *__futex)
"jne _L_mutex_unlock_%=\n\t" \
".subsection 1\n\t" \
".type _L_mutex_unlock_%=,@function\n" \
- "_L_mutex_unlock_%=:\n\t" \
- "leal %0, %%eax\n\t" \
- "call __lll_mutex_unlock_wake\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+ "_L_mutex_unlock_%=:\n" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_mutex_unlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=m" (futex), "=&a" (ignore) \
: "m" (futex) \
: "memory"); })
@@ -298,16 +387,17 @@ extern int __lll_mutex_unlock_wake (int *__futex)
#define lll_robust_mutex_unlock(futex) \
(void) ({ int ignore; \
__asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \
- "jne _L_mutex_unlock_%=\n\t" \
+ "jne _L_robust_mutex_unlock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_unlock_%=,@function\n" \
- "_L_mutex_unlock_%=:\n\t" \
- "leal %0, %%eax\n\t" \
- "call __lll_mutex_unlock_wake\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+ ".type _L_robust_mutex_unlock_%=,@function\n" \
+ "_L_robust_mutex_unlock_%=:\n\t" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_robust_mutex_unlock_%=, 4b-1b\n\t"\
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=m" (futex), "=&a" (ignore) \
: "i" (FUTEX_WAITERS), "m" (futex) \
: "memory"); })
@@ -401,16 +491,17 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
"je,pt 0f\n\t" \
"lock\n" \
"0:\tcmpxchgl %1, %2\n\t" \
- "jnz _L_mutex_lock_%=\n\t" \
+ "jnz _L_lock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_lock_%=,@function\n" \
- "_L_mutex_lock_%=:\n\t" \
- "leal %2, %%ecx\n\t" \
- "call __lll_mutex_lock_wait\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_lock_%=,.-_L_mutex_lock_%=\n" \
+ ".type _L_lock_%=,@function\n" \
+ "_L_lock_%=:\n" \
+ "1:\tleal %2, %%ecx\n" \
+ "2:\tcall __lll_mutex_lock_wait\n" \
+ "3:\tjmp 18f\n" \
+ "4:\t.size _L_lock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex), \
"i" (offsetof (tcbhead_t, multiple_threads)) \
@@ -422,17 +513,18 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
__asm __volatile ("cmpl $0, %%gs:%P3\n\t" \
"je,pt 0f\n\t" \
"lock\n" \
- "0:\tsubl $1,%0\n\t" \
- "jne _L_mutex_unlock_%=\n\t" \
+ "0:\tsubl $1,%0\n\t" \
+ "jne _L_unlock_%=\n\t" \
".subsection 1\n\t" \
- ".type _L_mutex_unlock_%=,@function\n" \
- "_L_mutex_unlock_%=:\n\t" \
- "leal %0, %%eax\n\t" \
- "call __lll_mutex_unlock_wake\n\t" \
- "jmp 1f\n\t" \
- ".size _L_mutex_unlock_%=,.-_L_mutex_unlock_%=\n" \
+ ".type _L_unlock_%=,@function\n" \
+ "_L_unlock_%=:\n" \
+ "1:\tleal %0, %%eax\n" \
+ "2:\tcall __lll_mutex_unlock_wake\n" \
+ "3:\tjmp 18f\n\t" \
+ "4:\t.size _L_unlock_%=, 4b-1b\n\t" \
".previous\n" \
- "1:" \
+ LLL_STUB_UNWIND_INFO_3 \
+ "18:" \
: "=m" (futex), "=&a" (ignore) \
: "m" (futex), \
"i" (offsetof (tcbhead_t, multiple_threads)) \