diff options
Diffstat (limited to 'tools/objtool/builtin-check.c')
| -rw-r--r-- | tools/objtool/builtin-check.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index 4cfdbb5b6967..282a60368b14 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -36,8 +36,7 @@ #include "warn.h" #include <linux/hashtable.h> - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#include <linux/kernel.h> #define STATE_FP_SAVED 0x1 #define STATE_FP_SETUP 0x2 @@ -805,11 +804,20 @@ static struct rela *find_switch_table(struct objtool_file *file, insn->jump_dest->offset > orig_insn->offset)) break; + /* look for a relocation which references .rodata */ text_rela = find_rela_by_dest_range(insn->sec, insn->offset, insn->len); - if (text_rela && text_rela->sym == file->rodata->sym) - return find_rela_by_dest(file->rodata, - text_rela->addend); + if (!text_rela || text_rela->sym != file->rodata->sym) + continue; + + /* + * Make sure the .rodata address isn't associated with a + * symbol. gcc jump tables are anonymous data. + */ + if (find_symbol_containing(file->rodata, text_rela->addend)) + continue; + + return find_rela_by_dest(file->rodata, text_rela->addend); } return NULL; |