diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S | 27 |
1 files changed, 20 insertions, 7 deletions
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 6bf8d095ba..9db5516913 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S @@ -86,9 +86,11 @@ __pthread_once: /* Preserve the pointer to the control variable. */ 3: pushq %rdi .Lpush_rdi: + pushq %rdi +.Lpush_rdi2: .LcleanupSTART: - callq *8(%rsp) + callq *16(%rsp) .LcleanupEND: /* Get the control variable address back. */ @@ -99,6 +101,9 @@ __pthread_once: LOCK incl (%rdi) + addq $8, %rsp +.Ladd1: + /* Wake up all other threads. */ movl $0x7fffffff, %edx movl $FUTEX_WAKE, %esi @@ -106,7 +111,7 @@ __pthread_once: syscall 4: addq $8, %rsp -.Ladd: +.Ladd2: xorl %eax, %eax retq @@ -224,20 +229,28 @@ clear_once_control: .byte 14 # DW_CFA_def_cfa_offset .uleb128 24 .byte 4 # DW_CFA_advance_loc4 - .long .Lpop_rdi-.Lpush_rdi + .long .Lpush_rdi2-.Lpush_rdi + .byte 14 # DW_CFA_def_cfa_offset + .uleb128 32 + .byte 4 # DW_CFA_advance_loc4 + .long .Lpop_rdi-.Lpush_rdi2 + .byte 14 # DW_CFA_def_cfa_offset + .uleb128 24 + .byte 4 # DW_CFA_advance_loc4 + .long .Ladd1-.Lpop_rdi .byte 14 # DW_CFA_def_cfa_offset .uleb128 16 .byte 4 # DW_CFA_advance_loc4 - .long .Ladd-.Lpop_rdi + .long .Ladd2-.Ladd1 .byte 14 # DW_CFA_def_cfa_offset .uleb128 8 .byte 4 # DW_CFA_advance_loc4 - .long clear_once_control-.Ladd + .long clear_once_control-.Ladd2 .byte 14 # DW_CFA_def_cfa_offset - .uleb128 24 + .uleb128 32 #if 0 .byte 4 # DW_CFA_advance_loc4 - .long .Lpop_rdi2-clear_once_control + .long .Lpop_rdi3-clear_once_control .byte 14 # DW_CFA_def_cfa_offset .uleb128 16 #endif |