PaweÅ? Sikora <[email protected]> wrote:
> I've a simple program called empty.c.
>
> $ cat empty.c
>
> int main(int argc, char* argv[])
> {
> return 0;
> }
>
> $ cat empty410.s
>
> .file "empty.c"
> .text
> .p2align 4,,15
> .globl main
> .type main, @function
> main:
> xorl %eax, %eax
> ret
> .size main, .-main
> .ident "GCC: (GNU) 4.1.0 20050922 (experimental)"
> .section .note.GNU-stack,"", at progbits
I get a substantially different empty.s (gcc-4.0.2, Fedora rawhide on i686):
.file "empty.c"
.text
.p2align 2,,3
.globl main
.type main, @function
main:
pushl %ebp
movl %esp, %ebp
subl $8, %esp
andl $-16, %esp
subl $16, %esp
xorl %eax, %eax
leave
ret
.size main, .-main
.ident "GCC: (GNU) 4.0.2 20050928 (Red Hat 4.0.2-1)"
.section .note.GNU-stack,"",@progbits
> binutils-2.15.94.0.2.2 produces for this code empty .data and .bss
> sections:
binutils-2.16.91.0.2-4 doesn't. It looks like you are using broken tools.
--
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