C++ (Cpp) is_jal_jalr_jr_ins Beispiele

Beispiel #1

Datei: process.c Projekt: Broadcom/stblinux-2.6.18

static int get_frame_info(struct mips_frame_info *info)
{
	union mips_instruction *ip = info->func;
	int i, max_insns =
		min(128UL, info->func_size / sizeof(union mips_instruction));

	info->pc_offset = -1;
	info->frame_size = 0;

	for (i = 0; i < max_insns; i++, ip++) {

		if (is_jal_jalr_jr_ins(ip))
			break;
		if (!info->frame_size) {
			if (is_sp_move_ins(ip))
				info->frame_size = - ip->i_format.simmediate;
			continue;
		}
		if (info->pc_offset == -1 && is_ra_save_ins(ip)) {
			info->pc_offset =
				ip->i_format.simmediate / sizeof(long);
			break;
		}
	}
	if (info->frame_size && info->pc_offset >= 0) /* nested */
		return 0;
	if (info->pc_offset < 0) /* leaf */
		return 1;
	/* prologue seems boggus... */
	return -1;
}

Beispiel #2

Datei: process.c Projekt: romanbb/android_kernel_lge_d851

static int get_frame_info(struct mips_frame_info *info)
{
	union mips_instruction *ip = info->func;
	unsigned max_insns = info->func_size / sizeof(union mips_instruction);
	unsigned i;

	info->pc_offset = -1;
	info->frame_size = 0;

	if (!ip)
		goto err;

	if (max_insns == 0)
		max_insns = 128U;	/*                       */
	max_insns = min(128U, max_insns);

	for (i = 0; i < max_insns; i++, ip++) {

		if (is_jal_jalr_jr_ins(ip))
			break;
		if (!info->frame_size) {
			if (is_sp_move_ins(ip))
				info->frame_size = - ip->i_format.simmediate;
			continue;
		}
		if (info->pc_offset == -1 && is_ra_save_ins(ip)) {
			info->pc_offset =
				ip->i_format.simmediate / sizeof(long);
			break;
		}
	}
	if (info->frame_size && info->pc_offset >= 0) /*        */
		return 0;
	if (info->pc_offset < 0) /*      */
		return 1;
	/*                          */
err:
	return -1;
}