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-rw-r--r--ChangeLog13
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h167
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h209
3 files changed, 53 insertions, 336 deletions
diff --git a/ChangeLog b/ChangeLog
index 404ef7a..f6d309f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2014-03-27 Andi Kleen <ak@linux.intel.com>
+
+ * nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (lll_lock,
+ lll_robust_lock, lll_cond_lock, lll_timedlock, lll_robust_cond_lock,
+ lll_robust_timedlock, lll_unlock, lll_robust_unlock):
+ Remove out of line section. Use cfi intrinsics.
+ (LLL_STUB_UNWIND_INFO*): Remove.
+ * nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h (lll_lock,
+ lll_robust_lock, lll_cond_lock, lll_timedlock, lll_robust_cond_lock,
+ lll_robust_timedlock, lll_unlock, lll_robust_unlock):
+ Remove out of line section. Use cfi intrinsics.
+ (LLL_STUB_UNWIND_INFO*): Remove.
+
2014-03-27 Siddhesh Poyarekar <siddhesh@redhat.com>
[BZ #16758]
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index 44ef419..6903f92 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -126,83 +126,6 @@
/* Delay in spinlock loop. */
#define BUSY_WAIT_NOP asm ("rep; nop")
-
-#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
-
-
#define lll_futex_wait(futex, val, private) \
lll_futex_timed_wait (futex, val, NULL, private)
@@ -298,16 +221,9 @@ LLL_STUB_UNWIND_INFO_END
({ int ignore1, ignore2; \
if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
__asm __volatile (__lll_lock_asm_start \
- "jnz _L_lock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_lock_%=,@function\n" \
- "_L_lock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %2, %%ecx\n" \
"2:\tcall __lll_lock_wait_private\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_lock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_3 \
"18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex), \
@@ -317,17 +233,10 @@ LLL_STUB_UNWIND_INFO_END
{ \
int ignore3; \
__asm __volatile (__lll_lock_asm_start \
- "jnz _L_lock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_lock_%=,@function\n" \
- "_L_lock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %2, %%edx\n" \
"0:\tmovl %8, %%ecx\n" \
"2:\tcall __lll_lock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_lock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (ignore1), "=c" (ignore2), \
"=m" (futex), "=&d" (ignore3) \
@@ -341,17 +250,10 @@ LLL_STUB_UNWIND_INFO_END
#define lll_robust_lock(futex, id, private) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
- "jnz _L_robust_lock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_lock_%=,@function\n" \
- "_L_robust_lock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %2, %%edx\n" \
"0:\tmovl %7, %%ecx\n" \
"2:\tcall __lll_robust_lock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_robust_lock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (result), "=c" (ignore1), "=m" (futex), \
"=&d" (ignore2) \
@@ -366,17 +268,10 @@ LLL_STUB_UNWIND_INFO_END
(void) \
({ int ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
- "jnz _L_cond_lock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_cond_lock_%=,@function\n" \
- "_L_cond_lock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %2, %%edx\n" \
"0:\tmovl %7, %%ecx\n" \
"2:\tcall __lll_lock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_cond_lock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (ignore1), "=c" (ignore2), "=m" (futex), \
"=&d" (ignore3) \
@@ -388,17 +283,10 @@ LLL_STUB_UNWIND_INFO_END
#define lll_robust_cond_lock(futex, id, private) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
- "jnz _L_robust_cond_lock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_cond_lock_%=,@function\n" \
- "_L_robust_cond_lock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %2, %%edx\n" \
"0:\tmovl %7, %%ecx\n" \
"2:\tcall __lll_robust_lock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_robust_cond_lock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (result), "=c" (ignore1), "=m" (futex), \
"=&d" (ignore2) \
@@ -411,17 +299,10 @@ LLL_STUB_UNWIND_INFO_END
#define lll_timedlock(futex, timeout, private) \
({ int result, ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
- "jnz _L_timedlock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_timedlock_%=,@function\n" \
- "_L_timedlock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %3, %%ecx\n" \
"0:\tmovl %8, %%edx\n" \
"2:\tcall __lll_timedlock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_timedlock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex), "=S" (ignore3) \
@@ -440,17 +321,10 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
#define lll_robust_timedlock(futex, timeout, id, private) \
({ int result, ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
- "jnz _L_robust_timedlock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_timedlock_%=,@function\n" \
- "_L_robust_timedlock_%=:\n" \
+ "jz 18f\n\t" \
"1:\tleal %3, %%ecx\n" \
"0:\tmovl %8, %%edx\n" \
"2:\tcall __lll_robust_timedlock_wait\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_robust_timedlock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=a" (result), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex), "=S" (ignore3) \
@@ -473,16 +347,9 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
({ int ignore; \
if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
__asm __volatile (__lll_unlock_asm \
- "jne _L_unlock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_unlock_%=,@function\n" \
- "_L_unlock_%=:\n" \
+ "je 18f\n\t" \
"1:\tleal %0, %%eax\n" \
"2:\tcall __lll_unlock_wake_private\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_unlock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_3 \
"18:" \
: "=m" (futex), "=&a" (ignore) \
: "m" (futex), "i" (MULTIPLE_THREADS_OFFSET) \
@@ -491,17 +358,10 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
{ \
int ignore2; \
__asm __volatile (__lll_unlock_asm \
- "jne _L_unlock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_unlock_%=,@function\n" \
- "_L_unlock_%=:\n" \
+ "je 18f\n\t" \
"1:\tleal %0, %%eax\n" \
"0:\tmovl %5, %%ecx\n" \
"2:\tcall __lll_unlock_wake\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_unlock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=m" (futex), "=&a" (ignore), "=&c" (ignore2) \
: "i" (MULTIPLE_THREADS_OFFSET), "m" (futex), \
@@ -514,17 +374,10 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
(void) \
({ int ignore, ignore2; \
__asm __volatile (LOCK_INSTR "andl %3, %0\n\t" \
- "jne _L_robust_unlock_%=\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_unlock_%=,@function\n" \
- "_L_robust_unlock_%=:\n\t" \
+ "je 18f\n\t" \
"1:\tleal %0, %%eax\n" \
"0:\tmovl %5, %%ecx\n" \
"2:\tcall __lll_unlock_wake\n" \
- "3:\tjmp 18f\n" \
- "4:\t.size _L_robust_unlock_%=, 4b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_4 \
"18:" \
: "=m" (futex), "=&a" (ignore), "=&c" (ignore2) \
: "i" (FUTEX_WAITERS), "m" (futex), \
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index 0a26739..c13ca08 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -106,105 +106,6 @@
/* Delay in spinlock loop. */
#define BUSY_WAIT_NOP asm ("rep; nop")
-
-#define LLL_STUB_UNWIND_INFO_START \
- ".section .eh_frame,\"a\",@progbits\n" \
-"7:\t" ".long 9f-8f # Length of Common Information Entry\n" \
-"8:\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 -8 # CIE Data Alignment Factor\n\t" \
- ".byte 0x10 # CIE RA Column\n\t" \
- ".uleb128 0x1 # Augmentation size\n\t" \
- ".byte 0x1b # FDE Encoding (pcrel sdata4)\n\t" \
- ".byte 0x12 # DW_CFA_def_cfa_sf\n\t" \
- ".uleb128 0x7\n\t" \
- ".sleb128 16\n\t" \
- ".align " LP_SIZE "\n" \
-"9:\t" ".long 23f-10f # FDE Length\n" \
-"10:\t" ".long 10b-7b # FDE CIE offset\n\t" \
- ".long 1b-. # FDE initial location\n\t" \
- ".long 6b-1b # FDE address range\n\t" \
- ".uleb128 0x0 # Augmentation size\n\t" \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 12f-11f\n" \
-"11:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 4b-1b\n"
-#define LLL_STUB_UNWIND_INFO_END \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 14f-13f\n" \
-"13:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 4b-2b\n" \
-"14:\t" ".byte 0x40 + (3b-2b) # DW_CFA_advance_loc\n\t" \
- ".byte 0x0e # DW_CFA_def_cfa_offset\n\t" \
- ".uleb128 0\n\t" \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 16f-15f\n" \
-"15:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 4b-3b\n" \
-"16:\t" ".byte 0x40 + (4b-3b-1) # DW_CFA_advance_loc\n\t" \
- ".byte 0x0e # DW_CFA_def_cfa_offset\n\t" \
- ".uleb128 128\n\t" \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 20f-17f\n" \
-"17:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 19f-18f\n\t" \
- ".byte 0x0d # DW_OP_const4s\n" \
-"18:\t" ".4byte 4b-.\n\t" \
- ".byte 0x1c # DW_OP_minus\n\t" \
- ".byte 0x0d # DW_OP_const4s\n" \
-"19:\t" ".4byte 24f-.\n\t" \
- ".byte 0x22 # DW_OP_plus\n" \
-"20:\t" ".byte 0x40 + (5b-4b+1) # DW_CFA_advance_loc\n\t" \
- ".byte 0x13 # DW_CFA_def_cfa_offset_sf\n\t" \
- ".sleb128 16\n\t" \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 22f-21f\n" \
-"21:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 4b-5b\n" \
-"22:\t" ".align " LP_SIZE "\n" \
-"23:\t" ".previous\n"
-
-/* Unwind info for
- 1: leaq ..., %rdi
- 2: subq $128, %rsp
- 3: callq ...
- 4: addq $128, %rsp
- 5: jmp 24f
- 6:
- snippet. */
-#define LLL_STUB_UNWIND_INFO_5 \
-LLL_STUB_UNWIND_INFO_START \
-"12:\t" ".byte 0x40 + (2b-1b) # DW_CFA_advance_loc\n\t" \
-LLL_STUB_UNWIND_INFO_END
-
-/* Unwind info for
- 1: leaq ..., %rdi
- 0: movq ..., %rdx
- 2: subq $128, %rsp
- 3: callq ...
- 4: addq $128, %rsp
- 5: jmp 24f
- 6:
- snippet. */
-#define LLL_STUB_UNWIND_INFO_6 \
-LLL_STUB_UNWIND_INFO_START \
-"12:\t" ".byte 0x40 + (0b-1b) # DW_CFA_advance_loc\n\t" \
- ".byte 0x16 # DW_CFA_val_expression\n\t" \
- ".uleb128 0x10\n\t" \
- ".uleb128 26f-25f\n" \
-"25:\t" ".byte 0x80 # DW_OP_breg16\n\t" \
- ".sleb128 4b-0b\n" \
-"26:\t" ".byte 0x40 + (2b-0b) # DW_CFA_advance_loc\n\t" \
-LLL_STUB_UNWIND_INFO_END
-
-
#define lll_futex_wait(futex, val, private) \
lll_futex_timed_wait(futex, val, NULL, private)
@@ -283,7 +184,7 @@ LLL_STUB_UNWIND_INFO_END
#if defined NOT_IN_libc || defined UP
# define __lll_lock_asm_start LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jnz 1f\n\t"
+ "jz 24f\n\t"
#else
# define __lll_lock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
"je 0f\n\t" \
@@ -291,7 +192,7 @@ LLL_STUB_UNWIND_INFO_END
"jnz 1f\n\t" \
"jmp 24f\n" \
"0:\tcmpxchgl %4, %2\n\t" \
- "jnz 1f\n\t"
+ "jz 24f\n\t"
#endif
#define lll_lock(futex, private) \
@@ -299,17 +200,12 @@ LLL_STUB_UNWIND_INFO_END
({ 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:\tlea %2, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_lock_wait_private\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_lock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \
"=a" (ignore3) \
@@ -317,17 +213,12 @@ LLL_STUB_UNWIND_INFO_END
: "cx", "r11", "cc", "memory"); \
else \
__asm __volatile (__lll_lock_asm_start \
- ".subsection 1\n\t" \
- ".type _L_lock_%=, @function\n" \
- "_L_lock_%=:\n" \
"1:\tlea %2, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_lock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_lock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
"=a" (ignore3) \
@@ -338,18 +229,13 @@ LLL_STUB_UNWIND_INFO_END
#define lll_robust_lock(futex, id, private) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jnz 1f\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_lock_%=, @function\n" \
- "_L_robust_lock_%=:\n" \
+ "jz 24f\n" \
"1:\tlea %2, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_robust_lock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_robust_lock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
"=a" (result) \
@@ -361,18 +247,13 @@ LLL_STUB_UNWIND_INFO_END
(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" \
+ "jz 24f\n" \
"1:\tlea %2, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_lock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_cond_lock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
"=a" (ignore3) \
@@ -383,18 +264,13 @@ LLL_STUB_UNWIND_INFO_END
#define lll_robust_cond_lock(futex, id, private) \
({ int result, ignore1, ignore2; \
__asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jnz 1f\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_cond_lock_%=, @function\n" \
- "_L_robust_cond_lock_%=:\n" \
+ "jz 24f\n" \
"1:\tlea %2, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_robust_lock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_robust_cond_lock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
"=a" (result) \
@@ -406,19 +282,14 @@ LLL_STUB_UNWIND_INFO_END
#define lll_timedlock(futex, timeout, private) \
({ int result, ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %4\n\t" \
- "jnz 1f\n\t" \
- ".subsection 1\n\t" \
- ".type _L_timedlock_%=, @function\n" \
- "_L_timedlock_%=:\n" \
+ "jz 24f\n" \
"1:\tlea %4, %%" RDI_LP "\n" \
"0:\tmov %8, %%" RDX_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_timedlock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_timedlock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_6 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=a" (result), "=D" (ignore1), "=S" (ignore2), \
"=&d" (ignore3), "=m" (futex) \
@@ -437,19 +308,14 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
#define lll_robust_timedlock(futex, timeout, id, private) \
({ int result, ignore1, ignore2, ignore3; \
__asm __volatile (LOCK_INSTR "cmpxchgl %1, %4\n\t" \
- "jnz 1f\n\t" \
- ".subsection 1\n\t" \
- ".type _L_robust_timedlock_%=, @function\n" \
- "_L_robust_timedlock_%=:\n" \
+ "jz 24f\n\t" \
"1:\tlea %4, %%" RDI_LP "\n" \
"0:\tmov %8, %%" RDX_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_robust_timedlock_wait\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_robust_timedlock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_6 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=a" (result), "=D" (ignore1), "=S" (ignore2), \
"=&d" (ignore3), "=m" (futex) \
@@ -460,7 +326,7 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
#if defined NOT_IN_libc || defined UP
# define __lll_unlock_asm_start LOCK_INSTR "decl %0\n\t" \
- "jne 1f\n\t"
+ "je 24f\n\t"
#else
# define __lll_unlock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
"je 0f\n\t" \
@@ -468,7 +334,7 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
"jne 1f\n\t" \
"jmp 24f\n\t" \
"0:\tdecl %0\n\t" \
- "jne 1f\n\t"
+ "je 24f\n\t"
#endif
#define lll_unlock(futex, private) \
@@ -476,34 +342,24 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
({ 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:\tlea %0, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_unlock_wake_private\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_unlock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"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:\tlea %0, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_unlock_wake\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_unlock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=m" (futex), "=&D" (ignore) \
: "m" (futex), "S" (private) \
@@ -515,18 +371,13 @@ extern int __lll_timedlock_elision (int *futex, short *adapt_count,
{ \
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" \
+ "je 24f\n\t" \
"1:\tlea %0, %%" RDI_LP "\n" \
"2:\tsub $128, %%" RSP_LP "\n" \
+ ".cfi_adjust_cfa_offset 128\n" \
"3:\tcallq __lll_unlock_wake\n" \
"4:\tadd $128, %%" RSP_LP "\n" \
- "5:\tjmp 24f\n" \
- "6:\t.size _L_robust_unlock_%=, 6b-1b\n\t" \
- ".previous\n" \
- LLL_STUB_UNWIND_INFO_5 \
+ ".cfi_adjust_cfa_offset -128\n" \
"24:" \
: "=m" (futex), "=&D" (ignore) \
: "i" (FUTEX_WAITERS), "m" (futex), \
generated by cgit v1.1 at 2024-11-03 05:17:33 +0000