asm ("movl $1, %ebx\n");
int main()
{
}
这种asm有什么用？
glibc中看见个使用
.c可能会被直接生成汇编代码...
/* This file is compiled into assembly code which is then munged by a sed
script into two files: crti.s and crtn.s.
* crti.s puts a function prologue at the beginning of the
.init and .fini sections and defines global symbols for
those addresses, so they can be called as functions.
* crtn.s puts the corresponding function epilogues
in the .init and .fini sections. */
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