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-rw-r--r--tools/objtool/check.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 46c1d239cc1b..92b6a2c21631 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -1116,42 +1116,29 @@ static int read_unwind_hints(struct objtool_file *file)
1116 1116
1117static int read_retpoline_hints(struct objtool_file *file) 1117static int read_retpoline_hints(struct objtool_file *file)
1118{ 1118{
1119 struct section *sec, *relasec; 1119 struct section *sec;
1120 struct instruction *insn; 1120 struct instruction *insn;
1121 struct rela *rela; 1121 struct rela *rela;
1122 int i;
1123 1122
1124 sec = find_section_by_name(file->elf, ".discard.retpoline_safe"); 1123 sec = find_section_by_name(file->elf, ".rela.discard.retpoline_safe");
1125 if (!sec) 1124 if (!sec)
1126 return 0; 1125 return 0;
1127 1126
1128 relasec = sec->rela; 1127 list_for_each_entry(rela, &sec->rela_list, list) {
1129 if (!relasec) { 1128 if (rela->sym->type != STT_SECTION) {
1130 WARN("missing .rela.discard.retpoline_safe section"); 1129 WARN("unexpected relocation symbol type in %s", sec->name);
1131 return -1;
1132 }
1133
1134 if (sec->len % sizeof(unsigned long)) {
1135 WARN("retpoline_safe size mismatch: %d %ld", sec->len, sizeof(unsigned long));
1136 return -1;
1137 }
1138
1139 for (i = 0; i < sec->len / sizeof(unsigned long); i++) {
1140 rela = find_rela_by_dest(sec, i * sizeof(unsigned long));
1141 if (!rela) {
1142 WARN("can't find rela for retpoline_safe[%d]", i);
1143 return -1; 1130 return -1;
1144 } 1131 }
1145 1132
1146 insn = find_insn(file, rela->sym->sec, rela->addend); 1133 insn = find_insn(file, rela->sym->sec, rela->addend);
1147 if (!insn) { 1134 if (!insn) {
1148 WARN("can't find insn for retpoline_safe[%d]", i); 1135 WARN("bad .discard.retpoline_safe entry");
1149 return -1; 1136 return -1;
1150 } 1137 }
1151 1138
1152 if (insn->type != INSN_JUMP_DYNAMIC && 1139 if (insn->type != INSN_JUMP_DYNAMIC &&
1153 insn->type != INSN_CALL_DYNAMIC) { 1140 insn->type != INSN_CALL_DYNAMIC) {
1154 WARN_FUNC("retpoline_safe hint not a indirect jump/call", 1141 WARN_FUNC("retpoline_safe hint not an indirect jump/call",
1155 insn->sec, insn->offset); 1142 insn->sec, insn->offset);
1156 return -1; 1143 return -1;
1157 } 1144 }