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| author | Julien Thierry <jthierry@redhat.com> | 2020-09-04 16:30:28 +0100 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@redhat.com> | 2020-09-10 10:43:13 -0500 |
| commit | edea9e6bcbeaa41718b022a8b99ffddef2330bbc (patch) | |
| tree | 750c5adeb0cf00da380faefea8cc4551bcc202ba /tools/objtool/check.c | |
| parent | ee819aedf34a8f35cd54ee3967c7beb4d1d4a635 (diff) | |
| download | linux-stable-edea9e6bcbeaa41718b022a8b99ffddef2330bbc.tar.gz linux-stable-edea9e6bcbeaa41718b022a8b99ffddef2330bbc.tar.bz2 linux-stable-edea9e6bcbeaa41718b022a8b99ffddef2330bbc.zip | |
objtool: Decode unwind hint register depending on architecture
The set of registers that can be included in an unwind hint and their
encoding will depend on the architecture. Have arch specific code to
decode that register.
Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Diffstat (limited to 'tools/objtool/check.c')
| -rw-r--r-- | tools/objtool/check.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 95c6e0d31c0a..4e2f703b6a25 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1367,32 +1367,7 @@ static int read_unwind_hints(struct objtool_file *file) insn->hint = true; - switch (hint->sp_reg) { - case ORC_REG_UNDEFINED: - cfa->base = CFI_UNDEFINED; - break; - case ORC_REG_SP: - cfa->base = CFI_SP; - break; - case ORC_REG_BP: - cfa->base = CFI_BP; - break; - case ORC_REG_SP_INDIRECT: - cfa->base = CFI_SP_INDIRECT; - break; - case ORC_REG_R10: - cfa->base = CFI_R10; - break; - case ORC_REG_R13: - cfa->base = CFI_R13; - break; - case ORC_REG_DI: - cfa->base = CFI_DI; - break; - case ORC_REG_DX: - cfa->base = CFI_DX; - break; - default: + if (arch_decode_hint_reg(insn, hint->sp_reg)) { WARN_FUNC("unsupported unwind_hint sp base reg %d", insn->sec, insn->offset, hint->sp_reg); return -1; |