diff options
| author | bhgv <bhgv.empire@gmail.com> | 2018-03-01 16:54:45 +0200 |
|---|---|---|
| committer | bhgv <bhgv.empire@gmail.com> | 2018-03-01 16:54:45 +0200 |
| commit | b786f20bbab5a59046aa78a2c6c2a11536497202 (patch) | |
| tree | 0851ecdec889eb9b7ba3751cc04d4f0b474e4a9e /lib9/lock-Unixware-386.s | |
inferno-os tree was separated from the inferno-os-android (separated from the Android driver)
Diffstat (limited to 'lib9/lock-Unixware-386.s')
| -rw-r--r-- | lib9/lock-Unixware-386.s | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib9/lock-Unixware-386.s b/lib9/lock-Unixware-386.s new file mode 100644 index 0000000..efa33d0 --- /dev/null +++ b/lib9/lock-Unixware-386.s @@ -0,0 +1,56 @@ + .section .bss + .align 4 +.L4_.bss: + .align 4 +Unixware_Asm_IntP: / Offset 0 + .type Unixware_Asm_IntP,@object + .size Unixware_Asm_IntP,4 + .set .,.+4 +Unixware_Asm_VoidP: / Offset 4 + .type Unixware_Asm_VoidP,@object + .size Unixware_Asm_VoidP,4 + .set .,.+4 + .section .data + .align 4 +.L2_.data: + .align 4 +.L01: .string "canlock corrupted 0x%lux\n\000" + .set .,.+0x2 + .section .text + .align 4 +.L1_.text: + + .align 4 + .align 4 + .globl canlock +canlock: + pushl %ebp + movl %esp,%ebp + pushl %esi + movl 8(%ebp),%eax + movl %eax,Unixware_Asm_IntP + movl $1, %ecx + xchg (%eax), %ecx + andl %ecx,%ecx + jne .L1 + movl $1,%esi + jmp .L2 + .align 4 +.L3: + subl %esi,%esi + jmp .L2 + .align 4 +.L1: + cmpl $1,%ecx + je .L3 + pushl %ecx + pushl $.L01 + call print + addl $8,%esp +.L2: + movl %esi,%eax + popl %esi + leave + ret + .type canlock,@function + .size canlock,.-canlock |