tools/objtool/check.c

237 			struct instruction *dest = insn->jump_dest;
239 			if (!dest)
253 			return __dead_end_function(file, insn_func(dest), recursion+1);
1435 			  struct symbol *dest, bool sibling)
1437 	insn->_call_dest = dest;
1438 	if (!dest)
1611 			WARN_INSN(insn, "can't find jump dest instruction at %s+0x%lx",
1618 		 * for its jump dest, in which case the above
1693 	struct symbol *dest;
1703 			dest = find_call_destination(insn->sec, dest_off);
1705 			add_call_dest(file, insn, dest, false);
1722 			dest = find_call_destination(reloc->sym->sec, dest_off);
1723 			if (!dest) {
1724 				WARN_INSN(insn, "can't find call dest symbol at %s+0x%lx",
1729 			add_call_dest(file, insn, dest, false);
2499 			WARN_INSN(insn, "can't find call dest at %s+0x%lx",
2688 		struct symbol *dest = insn_call_dest(insn);
2690 		if (!dest)
2693 		if (dest->fentry || dest->embedded_insn)
2755 	if (op->dest.type == OP_DEST_PUSH || op->dest.type == OP_DEST_PUSHF)
2763 	if (op->dest.type == OP_DEST_REG && op->src.type == OP_SRC_ADD &&
2764 	    op->dest.reg == CFI_SP && op->src.reg == CFI_SP)
2862 	switch (op->dest.type) {
2868 			if (op->src.reg == CFI_SP && op->dest.reg == CFI_BP &&
2873 				cfa->base = op->dest.reg;
2878 				 op->dest.reg == CFI_BP && cfi->drap) {
2898 				cfi->vals[op->dest.reg].base = CFI_CFA;
2899 				cfi->vals[op->dest.reg].offset = -cfi->stack_size;
2902 			else if (op->src.reg == CFI_BP && op->dest.reg == CFI_SP &&
2913 			else if (op->dest.reg == cfa->base) {
2968 			else if (op->dest.reg == CFI_SP &&
2985 			if (op->dest.reg == CFI_SP && op->src.reg == CFI_SP) {
2994 			if (op->dest.reg == CFI_SP && op->src.reg == CFI_BP) {
3004 				cfi->drap_reg = op->dest.reg;
3016 				cfi->vals[op->dest.reg].base = CFI_CFA;
3017 				cfi->vals[op->dest.reg].offset = \
3023 			if (cfi->drap && op->dest.reg == CFI_SP &&
3034 			if (op->dest.reg == cfi->cfa.base && !(next_insn && next_insn->hint)) {
3042 			if (op->dest.reg != CFI_SP ||
3065 			if (op->dest.reg == CFI_SP && cfa->base == CFI_SP_INDIRECT) {
3072 			if (!cfi->drap && op->dest.reg == cfa->base) {
3079 			    op->dest.reg == cfi->drap_reg &&
3087 			} else if (cfi->stack_size == -regs[op->dest.reg].offset) {
3090 				restore_reg(cfi, op->dest.reg);
3100 			if (!cfi->drap && op->dest.reg == cfa->base &&
3101 			    op->dest.reg == CFI_BP) {
3118 			    op->src.offset == regs[op->dest.reg].offset) {
3121 				restore_reg(cfi, op->dest.reg);
3124 			    op->src.offset == regs[op->dest.reg].offset + cfa->offset) {
3128 				restore_reg(cfi, op->dest.reg);
3131 				   op->src.offset == regs[op->dest.reg].offset + cfi->stack_size) {
3134 				restore_reg(cfi, op->dest.reg);
3195 				cfa->offset = op->dest.offset;
3198 				cfi->drap_offset = op->dest.offset;
3202 				save_reg(cfi, op->src.reg, CFI_BP, op->dest.offset);
3205 		} else if (op->dest.reg == cfa->base) {
3210 				 op->dest.offset - cfi->cfa.offset);
3212 		} else if (op->dest.reg == CFI_SP) {
3216 				 op->dest.offset - cfi->stack_size);
3218 		} else if (op->src.reg == CFI_SP && op->dest.offset == 0) {
3221 			cfi->vals[op->dest.reg].base = CFI_SP_INDIRECT;
3222 			cfi->vals[op->dest.reg].offset = cfa->offset;
3303 		if (op->dest.type == OP_DEST_PUSHF) {
3866 	struct instruction *next, *dest;
3926 			dest = find_insn(file, insn_call_dest(insn)->sec,
3928 			if (!dest) {
3934 			ret = validate_unret(file, dest);
4088 				struct instruction *dest = insn->jump_dest;
4089 				func_for_each_insn(file, insn_func(dest), dest)
4090 					dest->ignore = true;
4328 	struct instruction *dest;
4371 		dest = find_insn(file, reloc->sym->sec, off);
4372 		if (!dest)
4375 		if (dest->type == INSN_ENDBR) {
4376 			mark_endbr_used(dest);
4380 		if (insn_func(dest) && insn_func(insn) &&
4381 		    insn_func(dest)->pfunc == insn_func(insn)->pfunc) {
4403 		if (dest->noendbr)
4410 		if (noendbr_range(file, dest))
4413 		WARN_INSN(insn, "relocation to !ENDBR: %s", offstr(dest->sec, dest->offset));
4424 	struct instruction *dest;
4426 	dest = find_insn(file, reloc->sym->sec,
4428 	if (!dest)
4431 	if (dest->type == INSN_ENDBR) {
4432 		mark_endbr_used(dest);
4436 	if (dest->noendbr)
4441 		  offstr(dest->sec, dest->offset));