diff options
| author | Takashi Iwai <tiwai@suse.de> | 2026-02-19 12:08:48 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2026-02-19 12:08:48 +0100 |
| commit | d08008f196107a80c4e88b866d594b88a56ceaa9 (patch) | |
| tree | bd0572f9b90e53d2b3bb3c161f73c34c662bf05d /tools/objtool | |
| parent | d649c58bcad8fb9b749e3837136a201632fa109d (diff) | |
| parent | 80ca113671a005430207d351cb403c1637106212 (diff) | |
Merge tag 'asoc-fix-v7.0-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v7.0 merge window
A reasonably small set of fixes and quriks that came in during the merge
window, there's one more pending that I'll send tomorrow if you didn't
send a PR already.
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/check.c | 4 | ||||
| -rw-r--r-- | tools/objtool/include/objtool/klp.h | 10 | ||||
| -rw-r--r-- | tools/objtool/klp-diff.c | 41 |
3 files changed, 42 insertions, 13 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 719ec727efd4..3fd98c5b6e1a 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -683,7 +683,7 @@ static int create_static_call_sections(struct objtool_file *file) key_sym = find_symbol_by_name(file->elf, tmp); if (!key_sym) { - if (!opts.module || file->klp) { + if (!opts.module) { ERROR("static_call: can't find static_call_key symbol: %s", tmp); return -1; } @@ -4762,7 +4762,7 @@ static int validate_ibt(struct objtool_file *file) !strcmp(sec->name, "__bug_table") || !strcmp(sec->name, "__ex_table") || !strcmp(sec->name, "__jump_table") || - !strcmp(sec->name, "__klp_funcs") || + !strcmp(sec->name, ".init.klp_funcs") || !strcmp(sec->name, "__mcount_loc") || !strcmp(sec->name, ".llvm.call-graph-profile") || !strcmp(sec->name, ".llvm_bb_addr_map") || diff --git a/tools/objtool/include/objtool/klp.h b/tools/objtool/include/objtool/klp.h index ad830a7ce55b..e32e5e8bc631 100644 --- a/tools/objtool/include/objtool/klp.h +++ b/tools/objtool/include/objtool/klp.h @@ -6,12 +6,12 @@ #define SHN_LIVEPATCH 0xff20 /* - * __klp_objects and __klp_funcs are created by klp diff and used by the patch - * module init code to build the klp_patch, klp_object and klp_func structs - * needed by the livepatch API. + * .init.klp_objects and .init.klp_funcs are created by klp diff and used by the + * patch module init code to build the klp_patch, klp_object and klp_func + * structs needed by the livepatch API. */ -#define KLP_OBJECTS_SEC "__klp_objects" -#define KLP_FUNCS_SEC "__klp_funcs" +#define KLP_OBJECTS_SEC ".init.klp_objects" +#define KLP_FUNCS_SEC ".init.klp_funcs" /* * __klp_relocs is an intermediate section which are created by klp diff and diff --git a/tools/objtool/klp-diff.c b/tools/objtool/klp-diff.c index d94531e3f64e..9f1f4011eb9c 100644 --- a/tools/objtool/klp-diff.c +++ b/tools/objtool/klp-diff.c @@ -364,11 +364,40 @@ static int correlate_symbols(struct elfs *e) struct symbol *file1_sym, *file2_sym; struct symbol *sym1, *sym2; - /* Correlate locals */ - for (file1_sym = first_file_symbol(e->orig), - file2_sym = first_file_symbol(e->patched); ; - file1_sym = next_file_symbol(e->orig, file1_sym), - file2_sym = next_file_symbol(e->patched, file2_sym)) { + file1_sym = first_file_symbol(e->orig); + file2_sym = first_file_symbol(e->patched); + + /* + * Correlate any locals before the first FILE symbol. This has been + * seen when LTO inexplicably strips the initramfs_data.o FILE symbol + * due to the file only containing data and no code. + */ + for_each_sym(e->orig, sym1) { + if (sym1 == file1_sym || !is_local_sym(sym1)) + break; + + if (dont_correlate(sym1)) + continue; + + for_each_sym(e->patched, sym2) { + if (sym2 == file2_sym || !is_local_sym(sym2)) + break; + + if (sym2->twin || dont_correlate(sym2)) + continue; + + if (strcmp(sym1->demangled_name, sym2->demangled_name)) + continue; + + sym1->twin = sym2; + sym2->twin = sym1; + break; + } + } + + /* Correlate locals after the first FILE symbol */ + for (; ; file1_sym = next_file_symbol(e->orig, file1_sym), + file2_sym = next_file_symbol(e->patched, file2_sym)) { if (!file1_sym && file2_sym) { ERROR("FILE symbol mismatch: NULL != %s", file2_sym->name); @@ -1436,7 +1465,7 @@ static int clone_special_sections(struct elfs *e) } /* - * Create __klp_objects and __klp_funcs sections which are intermediate + * Create .init.klp_objects and .init.klp_funcs sections which are intermediate * sections provided as input to the patch module's init code for building the * klp_patch, klp_object and klp_func structs for the livepatch API. */ |
