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OSX: fixes to make nlrx64.S with Apple's clang

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This commit is contained in:
Mikael Eiman 2014-01-04 20:15:04 +01:00
parent e9906ac3d7
commit 5d02e2d6fa
1 changed files with 21 additions and 2 deletions
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23
py/nlrx64.S
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@ -5,9 +5,14 @@
.text
/* uint nlr_push(rdi=nlr_buf_t *nlr) */
#ifndef __llvm__
.globl nlr_push
.type nlr_push, @function
nlr_push:
#else
.globl _nlr_push
_nlr_push:
#endif
movq (%rsp), %rax # load return %rip
movq %rax, 16(%rdi) # store %rip into nlr_buf
movq %rbp, 24(%rdi) # store %rbp into nlr_buf
@ -22,22 +27,32 @@ nlr_push:
movq %rdi, nlr_top(%rip) # stor new nlr_buf (to make linked list)
xorq %rax, %rax # return 0, normal return
ret # return
.size nlr_push, .-nlr_push
// .size nlr_push, .-nlr_push
/* void nlr_pop() */
#ifndef __llvm__
.globl nlr_pop
.type nlr_pop, @function
nlr_pop:
#else
.globl _nlr_pop
_nlr_pop:
#endif
movq nlr_top(%rip), %rax # get nlr_top into %rax
movq (%rax), %rax # load prev nlr_buf
movq %rax, nlr_top(%rip) # store prev nlr_buf (to unlink list)
ret # return
.size nlr_pop, .-nlr_pop
// .size nlr_pop, .-nlr_pop
/* void nlr_jump(rdi=uint val) */
#ifndef __llvm__
.globl nlr_jump
.type nlr_jump, @function
nlr_jump:
#else
.globl _nlr_jump
_nlr_jump:
#endif
movq %rdi, %rax # put return value in %rax
movq nlr_top(%rip), %rdi # get nlr_top into %rdi
movq %rax, 8(%rdi) # store return value
@ -55,8 +70,12 @@ nlr_jump:
xorq %rax, %rax # clear return register
inc %al # increase to make 1, non-local return
ret # return
#ifndef __llvm__
.size nlr_jump, .-nlr_jump
#endif
#ifndef __llvm__
.local nlr_top
#endif
.comm nlr_top,8,8
#endif