kolibrios/programs/develop/ktcc/trunk/source/lib/alloca86-bt.S
siemargl b5e7b54c7a compiler 0.9.26 release
git-svn-id: svn://kolibrios.org@6429 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-05-14 08:56:15 +00:00

48 lines
814 B
ArmAsm

/* ---------------------------------------------- */
/* alloca86-bt.S */
.globl __bound_alloca
__bound_alloca:
pop %edx
pop %eax
mov %eax, %ecx
add $3,%eax
and $-4,%eax
jz p6
#ifdef TCC_TARGET_PE
p4:
cmp $4096,%eax
jbe p5
test %eax,-4096(%esp)
sub $4096,%esp
sub $4096,%eax
jmp p4
p5:
#endif
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
/* mark stack as nonexecutable */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
/* ---------------------------------------------- */