diff options
Diffstat (limited to 'tools/objtool/include')
| -rw-r--r-- | tools/objtool/include/objtool/elf.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h index 25573e5af76e..b142984eb9b5 100644 --- a/tools/objtool/include/objtool/elf.h +++ b/tools/objtool/include/objtool/elf.h @@ -21,6 +21,13 @@ #define SEC_NAME_LEN 1024 #define SYM_NAME_LEN 512 +static inline u32 str_hash(const char *str) +{ + return jhash(str, strlen(str), 0); +} + +u32 str_hash_demangled(const char *str); + #define bswap_if_needed(elf, val) __bswap_if_needed(&elf->ehdr, val) #ifdef LIBELF_USE_DEPRECATED @@ -130,6 +137,23 @@ struct elf { struct symbol *symbol_data; }; +#define __elf_table(elf, name) ((elf)->name##_hash) +#define __elf_bits(elf, name) ((elf)->name##_bits) + +#define __elf_table_entry(elf, name, key) \ + __elf_table(elf, name)[hash_min(key, __elf_bits(elf, name))] + +#define elf_list_entry(ptr, type, member) \ +({ \ + typeof(ptr) __ptr = (ptr); \ + __ptr ? container_of(__ptr, type, member) : NULL; \ +}) + +#define elf_hash_for_each_possible(elf, name, obj, member, key) \ + for (obj = elf_list_entry(__elf_table_entry(elf, name, key), typeof(*obj), member); \ + obj; \ + obj = elf_list_entry(obj->member.next, typeof(*(obj)), member)) + struct elf *elf_open_read(const char *name, int flags); struct elf *elf_create_file(GElf_Ehdr *ehdr, const char *name); @@ -186,9 +210,6 @@ struct symbol *find_func_by_offset(struct section *sec, unsigned long offset); struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset); struct symbol *find_symbol_by_name(const struct elf *elf, const char *name); struct symbol *find_global_symbol_by_name(const struct elf *elf, const char *name); -void iterate_global_symbol_by_demangled_name(const struct elf *elf, const char *demangled_name, - void (*process)(struct symbol *sym, void *data), - void *data); struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset); int find_symbol_hole_containing(const struct section *sec, unsigned long offset); struct reloc *find_reloc_by_dest(const struct elf *elf, struct section *sec, unsigned long offset); @@ -468,6 +489,11 @@ static inline void set_sym_next_reloc(struct reloc *reloc, struct reloc *next) #define for_each_sym_continue(elf, sym) \ list_for_each_entry_continue(sym, &elf->symbols, global_list) +#define for_each_sym_by_demangled_name(elf, name, sym) \ + elf_hash_for_each_possible(elf, symbol_name, sym, name_hash, \ + str_hash(name)) \ + if (strcmp(sym->demangled_name, name)) {} else + #define rsec_next_reloc(rsec, reloc) \ reloc_idx(reloc) < sec_num_entries(rsec) - 1 ? reloc + 1 : NULL |