sal/osl/unx/asm/interlck_x86.s

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  27
  28
  29 .section   .text,"ax"
  30  .globl   osl_incrementInterlockedCount
  31
  32 osl_incrementInterlockedCount:
  33
  34     push       %ebp
  35     mov        %esp,%ebp
  36     push       %ebx
  37     call       1f
  38 1:
  39     pop        %ebx
  40     add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
  41     mov        8(%ebp),%ecx
  42     mov        $1,%eax
  43     mov        osl_isSingleCPU@GOT(%ebx),%edx
  44     cmp        $0,(%edx)
  45     je         2f
  46     xadd       %eax,(%ecx)
  47     jmp        3f
  48 2:
  49     lock
  50     xadd       %eax,(%ecx)
  51 3:
  52     inc        %eax
  53     pop        %ebx
  54     mov        %ebp,%esp
  55     pop        %ebp
  56     ret
  57
  58  .type  osl_incrementInterlockedCount,@function
  59  .size  osl_incrementInterlockedCount,.-osl_incrementInterlockedCount
  60
  61 .section   .text,"ax"
  62  .globl   osl_decrementInterlockedCount
  63
  64 osl_decrementInterlockedCount:
  65
  66     push       %ebp
  67     mov        %esp,%ebp
  68     push       %ebx
  69     call       1f
  70 1:
  71     pop        %ebx
  72     add        $_GLOBAL_OFFSET_TABLE_+0x1,%ebx
  73     mov        8(%ebp),%ecx
  74     orl        $-1,%eax
  75     mov        osl_isSingleCPU@GOT(%ebx),%edx
  76     cmp        $0,(%edx)
  77     je         2f
  78     xadd       %eax,(%ecx)
  79     jmp        3f
  80 2:
  81     lock
  82     xadd       %eax,(%ecx)
  83 3:
  84     dec        %eax
  85     pop        %ebx
  86     mov        %ebp,%esp
  87     pop        %ebp
  88     ret
  89
  90  .type  osl_decrementInterlockedCount,@function
  91  .size  osl_decrementInterlockedCount,.-osl_decrementInterlockedCount
  92