libdtrace/common/dt_link.c

851 	uint32_t *ip;
857 	ip = (uint32_t *)(p + rela->r_offset);
872 		if (ip[0] == DT_OP_XOR_R3) {
873 			(*off) += sizeof (ip[0]);
877 		if (ip[0] == DT_OP_NOP) {
878 			(*off) += sizeof (ip[0]);
886 	if (!DT_IS_BRANCH(ip[0])) {
888 		    ip[0], (u_longlong_t)rela->r_offset);
899 		if (!DT_IS_BL(ip[0])) {
905 		ip[0] = DT_OP_XOR_R3;
906 		(*off) += sizeof (ip[0]);
908 		if (DT_IS_BL(ip[0]))
909 			ip[0] = DT_OP_NOP;
911 			ip[0] = DT_OP_BLR;
936 	uint32_t *ip;
942 	ip = (uint32_t *)(p + rela->r_offset);
957 		if (ip[0] == DT_OP_NOP) {
958 			(*off) += sizeof (ip[0]);
962 		if (DT_IS_RESTORE(ip[1])) {
963 			if (ip[0] == DT_OP_RET) {
964 				(*off) += sizeof (ip[0]);
967 		} else if (DT_IS_MOV_O7(ip[1])) {
968 			if (DT_IS_RETL(ip[0]))
971 			if (ip[0] == DT_OP_NOP) {
972 				(*off) += sizeof (ip[0]);
981 	if (ip[0] != DT_OP_CALL) {
983 		    ip[0], (u_longlong_t)rela->r_offset);
994 		if (DT_IS_RESTORE(ip[1]) || DT_IS_MOV_O7(ip[1])) {
1009 		ip[0] = DT_OP_NOP;
1010 		(*off) += sizeof (ip[0]);
1030 		if (DT_IS_RESTORE(ip[1])) {
1031 			ip[0] = DT_OP_RET;
1032 			(*off) += sizeof (ip[0]);
1033 		} else if (DT_IS_MOV_O7(ip[1])) {
1034 			ip[0] = DT_MAKE_RETL(DT_RS2(ip[1]));
1036 			ip[0] = DT_OP_NOP;
1037 			(*off) += sizeof (ip[0]);
1058 	uint8_t *ip = (uint8_t *)(p + rela->r_offset - 1);
1087 		if ((ip[0] == DT_OP_NOP || ip[0] == DT_OP_RET) &&
1088 		    ip[1] == DT_OP_NOP && ip[2] == DT_OP_NOP &&
1089 		    ip[3] == DT_OP_NOP && ip[4] == DT_OP_NOP)
1092 		if (ip[0] == DT_OP_REX_RAX &&
1093 		    ip[1] == DT_OP_XOR_EAX_0 && ip[2] == DT_OP_XOR_EAX_1 &&
1094 		    (ip[3] == DT_OP_NOP || ip[3] == DT_OP_RET) &&
1095 		    ip[4] == DT_OP_NOP) {
1100 		if (ip[0] == DT_OP_XOR_EAX_0 && ip[1] == DT_OP_XOR_EAX_1 &&
1101 		    (ip[2] == DT_OP_NOP || ip[2] == DT_OP_RET) &&
1102 		    ip[3] == DT_OP_NOP && ip[4] == DT_OP_NOP) {
1112 	if (ip[0] != DT_OP_CALL && ip[0] != DT_OP_JMP32) {
1114 		    "%llx\n", ip[0], (u_longlong_t)rela->r_offset);
1118 	ret = (ip[0] == DT_OP_JMP32) ? DT_OP_RET : DT_OP_NOP;
1128 		ip[0] = ret;
1129 		ip[1] = DT_OP_NOP;
1130 		ip[2] = DT_OP_NOP;
1131 		ip[3] = DT_OP_NOP;
1132 		ip[4] = DT_OP_NOP;
1134 		ip[0] = DT_OP_REX_RAX;
1135 		ip[1] = DT_OP_XOR_EAX_0;
1136 		ip[2] = DT_OP_XOR_EAX_1;
1137 		ip[3] = ret;
1138 		ip[4] = DT_OP_NOP;
1141 		ip[0] = DT_OP_XOR_EAX_0;
1142 		ip[1] = DT_OP_XOR_EAX_1;
1143 		ip[2] = ret;
1144 		ip[3] = DT_OP_NOP;
1145 		ip[4] = DT_OP_NOP;