diff options
| -rw-r--r-- | modutils/modutils-24.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c index ecab193..7c75686 100644 --- a/modutils/modutils-24.c +++ b/modutils/modutils-24.c @@ -2153,7 +2153,7 @@ static struct obj_section *obj_create_alloced_section(struct obj_file *f, sec->name = name; sec->idx = newidx; if (size) - sec->contents = xmalloc(size); + sec->contents = xzalloc(size); obj_insert_section_load_order(f, sec); @@ -2168,7 +2168,7 @@ static struct obj_section *obj_create_alloced_section_first(struct obj_file *f, int newidx = f->header.e_shnum++; struct obj_section *sec; - f->sections = xrealloc(f->sections, (newidx + 1) * sizeof(sec)); + f->sections = xrealloc_vector(f->sections, 2, newidx); f->sections[newidx] = sec = arch_new_section(); sec->header.sh_type = SHT_PROGBITS; @@ -2178,7 +2178,7 @@ static struct obj_section *obj_create_alloced_section_first(struct obj_file *f, sec->name = name; sec->idx = newidx; if (size) - sec->contents = xmalloc(size); + sec->contents = xzalloc(size); sec->load_next = f->load_order; f->load_order = sec; @@ -2574,8 +2574,7 @@ static void new_get_kernel_symbols(void) /* Collect the modules' symbols. */ if (nmod) { - ext_modules = modules = xmalloc(nmod * sizeof(*modules)); - memset(modules, 0, nmod * sizeof(*modules)); + ext_modules = modules = xzalloc(nmod * sizeof(*modules)); for (i = 0, mn = module_names, m = modules; i < nmod; ++i, ++m, mn += strlen(mn) + 1) { struct new_module_info info; @@ -2655,13 +2654,14 @@ static int new_is_kernel_checksummed(void) } -static void new_create_this_module(struct obj_file *f, const char *m_name) +static void new_create_this_module(struct obj_file *f, const char *m_name) { struct obj_section *sec; sec = obj_create_alloced_section_first(f, ".this", tgt_sizeof_long, sizeof(struct new_module)); - memset(sec->contents, 0, sizeof(struct new_module)); + /* done by obj_create_alloced_section_first: */ + /*memset(sec->contents, 0, sizeof(struct new_module));*/ obj_add_symbol(f, SPFX "__this_module", -1, ELF_ST_INFO(STB_LOCAL, STT_OBJECT), sec->idx, 0, @@ -2750,16 +2750,14 @@ static int new_create_module_ksymtab(struct obj_file *f) struct obj_symbol *sym; for (sym = f->symtab[i]; sym; sym = sym->next) { if (ELF_ST_BIND(sym->info) != STB_LOCAL - && sym->secidx <= SHN_HIRESERVE - && (sym->secidx >= SHN_LORESERVE - || loaded[sym->secidx]) + && sym->secidx <= SHN_HIRESERVE + && (sym->secidx >= SHN_LORESERVE || loaded[sym->secidx]) ) { ElfW(Addr) ofs = nsyms * 2 * tgt_sizeof_void_p; obj_symbol_patch(f, sec->idx, ofs, sym); obj_string_patch(f, sec->idx, ofs + tgt_sizeof_void_p, sym->name); - nsyms++; } } @@ -2972,9 +2970,9 @@ static void obj_allocate_commons(struct obj_file *f) if (i == f->header.e_shnum) { struct obj_section *sec; + f->header.e_shnum++; f->sections = xrealloc_vector(f->sections, 2, i); f->sections[i] = sec = arch_new_section(); - f->header.e_shnum = i + 1; sec->header.sh_type = SHT_PROGBITS; sec->header.sh_flags = SHF_WRITE | SHF_ALLOC; @@ -3013,12 +3011,9 @@ static void obj_allocate_commons(struct obj_file *f) for (i = 0; i < f->header.e_shnum; ++i) { struct obj_section *s = f->sections[i]; if (s->header.sh_type == SHT_NOBITS) { + s->contents = NULL; if (s->header.sh_size != 0) - s->contents = memset(xmalloc(s->header.sh_size), - 0, s->header.sh_size); - else - s->contents = NULL; - + s->contents = xzalloc(s->header.sh_size); s->header.sh_type = SHT_PROGBITS; } } @@ -3272,7 +3267,6 @@ static struct obj_file *obj_load(FILE *fp, int loadprogbits UNUSED_PARAM) case SHT_NOBITS: /* ignore */ break; - case SHT_PROGBITS: #if LOADBITS if (!loadprogbits) { @@ -3283,17 +3277,15 @@ static struct obj_file *obj_load(FILE *fp, int loadprogbits UNUSED_PARAM) case SHT_SYMTAB: case SHT_STRTAB: case SHT_RELM: + sec->contents = NULL; if (sec->header.sh_size > 0) { sec->contents = xmalloc(sec->header.sh_size); fseek(fp, sec->header.sh_offset, SEEK_SET); if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) { bb_perror_msg_and_die("error reading ELF section data"); } - } else { - sec->contents = NULL; } break; - #if SHT_RELM == SHT_REL case SHT_RELA: bb_error_msg_and_die("RELA relocations not supported on this architecture"); |