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objtool/klp: Remove .llvm suffix in demangle_name()

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Remove .llvm suffix, so that we can correlate foo.llvm.<hash 1> and
foo.llvm.<hash 2>.

Signed-off-by: Song Liu <song@kernel.org>
Link: https://patch.msgid.link/20260305231531.3847295-6-song@kernel.org
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Song Liu
2026-03-05 15:15:29 -08:00
committed by Josh Poimboeuf
parent 8206277746
commit 020b71dcaf
1 changed files with 8 additions and 0 deletions
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8
tools/objtool/elf.c
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@@ -455,6 +455,11 @@ static int read_sections(struct elf *elf)
static ssize_t demangled_name_len(const char *name)
{
ssize_t idx;
const char *p;
p = strstr(name, ".llvm.");
if (p)
return p - name;
if (!strstarts(name, "__UNIQUE_ID_") && !strchr(name, '.'))
return strlen(name);
@@ -482,6 +487,9 @@ static ssize_t demangled_name_len(const char *name)
* __UNIQUE_ID_addressable___UNIQUE_ID_pci_invalid_bar_694_695
*
* to remove both trailing numbers, also remove trailing '_'.
*
* For symbols with llvm suffix, i.e., foo.llvm.<hash>, remove the
* .llvm.<hash> part.
*/
static const char *demangle_name(struct symbol *sym)
{