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objtool: Refactor jump table code

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Now that C jump tables are supported, call them "jump tables" instead of
"switch tables".  Also rename some other variables, add comments, and
simplify the code flow a bit.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/cf951b0c0641628e0b9b81f7ceccd9bcabcb4bd8.1563413318.git.jpoimboe@redhat.com
This commit is contained in:
Josh Poimboeuf
2019-07-17 20:36:53 -05:00
committed by Thomas Gleixner
parent 0c1ddd3317
commit e7c2bc37bf
3 changed files with 46 additions and 40 deletions
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2
tools/objtool/elf.c
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@@ -385,7 +385,7 @@ static int read_relas(struct elf *elf)
rela->offset = rela->rela.r_offset;
symndx = GELF_R_SYM(rela->rela.r_info);
rela->sym = find_symbol_by_index(elf, symndx);
rela->rela_sec = sec;
rela->sec = sec;
if (!rela->sym) {
WARN("can't find rela entry symbol %d for %s",
symndx, sec->name);