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New files: alloca86.S alloca86-bt.S

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This commit is contained in:
grischka 2007-11-23 00:03:03 +00:00
parent d778bde7f9
commit 3e8b9e6d10
2 changed files with 69 additions and 0 deletions
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42
alloca86-bt.S Normal file
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/* ---------------------------------------------- */
/* alloca86b.S */
.globl __bound___alloca
__bound___alloca:
pop %edx
pop %eax
mov %eax, %ecx
add $3,%eax
and $-4,%eax
jz p6
p4:
cmp $4096,%eax
jle p5
sub $4096,%esp
sub $4096,%eax
test %eax,(%esp)
jmp p4
p5:
sub %eax,%esp
mov %esp,%eax
push %edx
push %eax
push %ecx
push %eax
call __bound_new_region
add $8, %esp
pop %eax
pop %edx
p6:
push %edx
push %edx
ret
/* ---------------------------------------------- */

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alloca86.S Normal file
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/* ---------------------------------------------- */
/* alloca86.S */
.globl _alloca
_alloca:
pop %edx
pop %eax
add $3,%eax
and $-4,%eax
jz p3
p1:
cmp $4096,%eax
jle p2
sub $4096,%esp
sub $4096,%eax
test %eax,(%esp)
jmp p1
p2:
sub %eax,%esp
mov %esp,%eax
p3:
push %edx
push %edx
ret
/* ---------------------------------------------- */