gcc disasm with c source

2019/09/25

gcc -O -fverbose-asm -S g.c

스택오버플로우

결과

...
.L40:
# g.c:127:             if (!sp->next[i]) {
	movq	(%rbx), %rdi	# MEM[base: _15, offset: 0B], _1
	testq	%rdi, %rdi	# _1
	jne	.L38	#,
# g.c:129: 				sp->next[i] = &sym_dict;
	movq	%r12, (%rbx)	# tmp97, MEM[base: _15, offset: 0B]
	jmp	.L39	#
.L43:
# g.c:136: }
	popq	%rbx	#
	.cfi_def_cfa_offset 24
	popq	%rbp	#
	.cfi_def_cfa_offset 16
...

글쓴이 dawnsea · 지식