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| author | Peter Zijlstra <peterz@infradead.org> | 2021-06-24 11:41:02 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-09-15 15:51:45 +0200 |
| commit | f56dae88a81fded66adf2bea9922d1d98d1da14f (patch) | |
| tree | 3872145874915b709878911e16fe90c9ddef267b /tools/objtool/include | |
| parent | 8b946cc38e063f0f7bb67789478c38f6d7d457c9 (diff) | |
objtool: Handle __sanitize_cov*() tail calls
Turns out the compilers also generate tail calls to __sanitize_cov*(),
make sure to also patch those out in noinstr code.
Fixes: 0f1441b44e82 ("objtool: Fix noinstr vs KCOV")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Marco Elver <elver@google.com>
Link: https://lore.kernel.org/r/20210624095147.818783799@infradead.org
Diffstat (limited to 'tools/objtool/include')
| -rw-r--r-- | tools/objtool/include/objtool/arch.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h index a5ab6829511f..6f482ae2d7d8 100644 --- a/tools/objtool/include/objtool/arch.h +++ b/tools/objtool/include/objtool/arch.h @@ -82,6 +82,7 @@ unsigned long arch_jump_destination(struct instruction *insn); unsigned long arch_dest_reloc_offset(int addend); const char *arch_nop_insn(int len); +const char *arch_ret_insn(int len); int arch_decode_hint_reg(u8 sp_reg, int *base); |