The __x86_indirect_ naming is obviously not generic. Shorten to allow
matching some additional magic names later.
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
---
tools/objtool/arch/x86/decode.c | 5 +++++
tools/objtool/check.c | 7 ++++++-
tools/objtool/include/objtool/arch.h | 2 ++
3 files changed, 13 insertions(+), 1 deletion(-)
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -692,3 +692,8 @@ int arch_decode_hint_reg(struct instruct
return 0;
}
+
+bool arch_is_retpoline(struct symbol *sym)
+{
+ return !strncmp(sym->name, "__x86_indirect_", 15);
+}
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -850,6 +850,11 @@ static int add_ignore_alternatives(struc
return 0;
}
+__weak bool arch_is_retpoline(struct symbol *sym)
+{
+ return false;
+}
+
/*
* Find the destination instructions for all jumps.
*/
@@ -872,7 +877,7 @@ static int add_jump_destinations(struct
} else if (reloc->sym->type == STT_SECTION) {
dest_sec = reloc->sym->sec;
dest_off = arch_dest_reloc_offset(reloc->addend);
- } else if (!strncmp(reloc->sym->name, "__x86_indirect_thunk_",
21)) {
+ } else if (arch_is_retpoline(reloc->sym)) {
/*
* Retpoline jumps are really dynamic jumps in
* disguise, so convert them accordingly.
--- a/tools/objtool/include/objtool/arch.h
+++ b/tools/objtool/include/objtool/arch.h
@@ -85,4 +85,6 @@ const char *arch_nop_insn(int len);
int arch_decode_hint_reg(struct instruction *insn, u8 sp_reg);
+bool arch_is_retpoline(struct symbol *sym);
+
#endif /* _ARCH_H */
