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newer version of tcc almost working

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pommicket 2022-02-18 12:36:57 -05:00
parent c42c5d94b8
commit 826d1afd58
442 changed files with 90400 additions and 24506 deletions
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56
05/tcc-0.9.27/lib/alloca86_64-bt.S Normal file
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/* ---------------------------------------------- */
/* alloca86_64.S */
.globl __bound_alloca
__bound_alloca:
#ifdef _WIN32
# bound checking is not implemented
pop %rdx
mov %rcx,%rax
add $15,%rax
and $-16,%rax
jz p3
p1:
cmp $4096,%rax
jbe p2
test %rax,-4096(%rsp)
sub $4096,%rsp
sub $4096,%rax
jmp p1
p2:
sub %rax,%rsp
mov %rsp,%rax
add $32,%rax
p3:
push %rdx
ret
#else
pop %rdx
mov %rdi,%rax
mov %rax,%rsi # size, a second parm to the __bound_new_region
add $15,%rax
and $-16,%rax
jz p3
sub %rax,%rsp
mov %rsp,%rdi # pointer, a first parm to the __bound_new_region
mov %rsp,%rax
push %rdx
push %rax
call __bound_new_region
pop %rax
pop %rdx
p3:
push %rdx
ret
#endif
/* ---------------------------------------------- */