]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
objtool: Use section/symbol type helpers
authorWentong Tian <tianwentong2000@gmail.com>
Thu, 22 Jan 2026 14:44:04 +0000 (22:44 +0800)
committerJosh Poimboeuf <jpoimboe@kernel.org>
Fri, 6 Mar 2026 16:08:19 +0000 (08:08 -0800)
Commit 25eac74b6bdb ("objtool: Add section/symbol type helpers")
introduced several helper macros to improve code readability.

Update the remaining open-coded checks in check.c, disas.c, elf.c,
and klp-diff.c to use these new helpers.

Signed-off-by: Wentong Tian <tianwentong2000@gmail.com>
Link: https://patch.msgid.link/20260122144404.40602-1-tianwentong2000@gmail.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
tools/objtool/check.c
tools/objtool/disas.c
tools/objtool/elf.c
tools/objtool/klp-diff.c

index a30379e4ff97e5b63bfcf842e9bde45fe1af7c07..efd4b9ce056062a48b0934b1c4c4a2563f3a5257 100644 (file)
@@ -4293,8 +4293,8 @@ static int validate_retpoline(struct objtool_file *file)
        list_for_each_entry(insn, &file->retpoline_call_list, call_node) {
                struct symbol *sym = insn->sym;
 
-               if (sym && (sym->type == STT_NOTYPE ||
-                           sym->type == STT_FUNC) && !sym->nocfi) {
+               if (sym && (is_notype_sym(sym) ||
+                           is_func_sym(sym)) && !sym->nocfi) {
                        struct instruction *prev =
                                prev_insn_same_sym(file, insn);
 
index 26f08d41f2b133af76983d1b8ed1db122b1061f6..59090234af1904f21f38ac54954d68023efaf937 100644 (file)
@@ -264,7 +264,7 @@ static void disas_print_addr_reloc(bfd_vma addr, struct disassemble_info *dinfo)
         * If the relocation symbol is a section name (for example ".bss")
         * then we try to further resolve the name.
         */
-       if (reloc->sym->type == STT_SECTION) {
+       if (is_sec_sym(reloc->sym)) {
                str = offstr(reloc->sym->sec, reloc->sym->offset + offset);
                DINFO_FPRINTF(dinfo, bfd_vma_fmt, addr, str);
                free(str);
@@ -580,7 +580,7 @@ static size_t disas_insn_common(struct disas_context *dctx,
         */
        dinfo->buffer = insn->sec->data->d_buf;
        dinfo->buffer_vma = 0;
-       dinfo->buffer_length = insn->sec->sh.sh_size;
+       dinfo->buffer_length = sec_size(insn->sec);
 
        return disasm(insn->offset, &dctx->info);
 }
@@ -1231,7 +1231,7 @@ void disas_funcs(struct disas_context *dctx)
 
        for_each_sec(dctx->file->elf, sec) {
 
-               if (!(sec->sh.sh_flags & SHF_EXECINSTR))
+               if (!is_text_sec(sec))
                        continue;
 
                sec_for_each_sym(sec, sym) {
index 2c02c7b492658c7a4a607602a08125531f4b4a46..a634b227d62725b256f71bb7c75410e5e062a5c2 100644 (file)
@@ -614,7 +614,7 @@ static int read_symbols(struct elf *elf)
                if (elf_add_symbol(elf, sym))
                        return -1;
 
-               if (sym->type == STT_FILE)
+               if (is_file_sym(sym))
                        file = sym;
                else if (sym->bind == STB_LOCAL)
                        sym->file = file;
@@ -1335,7 +1335,7 @@ unsigned int elf_add_string(struct elf *elf, struct section *strtab, const char
                return -1;
        }
 
-       offset = ALIGN(strtab->sh.sh_size, strtab->sh.sh_addralign);
+       offset = ALIGN(sec_size(strtab), strtab->sh.sh_addralign);
 
        if (!elf_add_data(elf, strtab, str, strlen(str) + 1))
                return -1;
@@ -1377,7 +1377,7 @@ void *elf_add_data(struct elf *elf, struct section *sec, const void *data, size_
        sec->data->d_size = size;
        sec->data->d_align = 1;
 
-       offset = ALIGN(sec->sh.sh_size, sec->sh.sh_addralign);
+       offset = ALIGN(sec_size(sec), sec->sh.sh_addralign);
        sec->sh.sh_size = offset + size;
 
        mark_sec_changed(elf, sec, true);
index 9f1f4011eb9cdade010c1c5281cb959d23d2893d..885775f6072e51b73326c0d0b2b09949c8b4f877 100644 (file)
@@ -271,7 +271,7 @@ static bool is_uncorrelated_static_local(struct symbol *sym)
  */
 static bool is_clang_tmp_label(struct symbol *sym)
 {
-       return sym->type == STT_NOTYPE &&
+       return is_notype_sym(sym) &&
               is_text_sec(sym->sec) &&
               strstarts(sym->name, ".Ltmp") &&
               isdigit(sym->name[5]);
@@ -480,7 +480,7 @@ static unsigned long find_sympos(struct elf *elf, struct symbol *sym)
        if (sym->bind != STB_LOCAL)
                return 0;
 
-       if (vmlinux && sym->type == STT_FUNC) {
+       if (vmlinux && is_func_sym(sym)) {
                /*
                 * HACK: Unfortunately, symbol ordering can differ between
                 * vmlinux.o and vmlinux due to the linker script emitting
@@ -1046,8 +1046,8 @@ static int clone_reloc_klp(struct elfs *e, struct reloc *patched_reloc,
                   sec->name, offset, patched_sym->name,                                \
                   addend >= 0 ? "+" : "-", labs(addend),                               \
                   sym_type(patched_sym),                                               \
-                  patched_sym->type == STT_SECTION ? "" : " ",                         \
-                  patched_sym->type == STT_SECTION ? "" : sym_bind(patched_sym),       \
+                  is_sec_sym(patched_sym) ? "" : " ",                                  \
+                  is_sec_sym(patched_sym) ? "" : sym_bind(patched_sym),                \
                   is_undef_sym(patched_sym) ? " UNDEF" : "",                           \
                   export ? " EXPORTED" : "",                                           \
                   klp ? " KLP" : "")