diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-03-07 14:02:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-03-07 14:02:56 -0800 |
commit | c688f14ccd4266289fd51e76210c13fdf67f1d9d (patch) | |
tree | 3bcf79ff8da8e83e7986c3db275261deb20bf10a /tools/objtool/builtin-check.c | |
parent | 9e91c144e689bb780b412c2c7908b9cf7b96f31f (diff) | |
parent | 5c51f4ae84df0f9df33ac08aa5be50061a8b4242 (diff) |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Ingo Molnar:
"A couple of sched.h splitup related build fixes, plus an objtool fix"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix another GCC jump table detection issue
drivers/char/nwbutton: Fix build breakage caused by include file reshuffling
h8300: Fix build breakage caused by header file changes
avr32: Fix build error caused by include file reshuffling
Diffstat (limited to 'tools/objtool/builtin-check.c')
-rw-r--r-- | tools/objtool/builtin-check.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index 4cfdbb5b6967..066086dd59a8 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -805,11 +805,20 @@ 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; |