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[deliverable/binutils-gdb.git] / bfd / elf32-m32c.c

diff --git a/bfd/elf32-m32c.c b/bfd/elf32-m32c.c
index 70ccd6203abdc6acabc70a6fa5bc875031bcfd0f..a357f62b8c215af2dda7590d69456de3207cd416 100644 (file)
--- a/bfd/elf32-m32c.c
+++ b/bfd/elf32-m32c.c
@@ -1284,7 +1284,7 @@ static bfd_vma
 m32c_offset_for_reloc (bfd *abfd,
                       Elf_Internal_Rela *rel,
                       Elf_Internal_Shdr *symtab_hdr,
-                      Elf_External_Sym_Shndx *shndx_buf ATTRIBUTE_UNUSED,
+                      bfd_byte *shndx_buf ATTRIBUTE_UNUSED,
                       Elf_Internal_Sym *intsyms)
 {
   bfd_vma symval;
@@ -1442,7 +1442,7 @@ m32c_elf_relax_section
   bfd_byte * free_contents = NULL;
   Elf_Internal_Sym *intsyms = NULL;
   Elf_Internal_Sym *free_intsyms = NULL;
-  Elf_External_Sym_Shndx *shndx_buf = NULL;
+  bfd_byte *shndx_buf = NULL;
   int machine;
 
   if (abfd == elf_hash_table (link_info)->dynobj
@@ -1491,17 +1491,20 @@ m32c_elf_relax_section
 
   if (shndx_hdr && shndx_hdr->sh_size != 0)
     {
-      bfd_size_type amt;
+      size_t amt;
 
-      amt = symtab_hdr->sh_info;
-      amt *= sizeof (Elf_External_Sym_Shndx);
-      shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
-      if (shndx_buf == NULL)
+      if (_bfd_mul_overflow (symtab_hdr->sh_info,
+                            sizeof (Elf_External_Sym_Shndx), &amt))
+       {
+         bfd_set_error (bfd_error_file_too_big);
+         goto error_return;
+       }
+      if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0)
        goto error_return;
-      if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0
-         || bfd_bread (shndx_buf, amt, abfd) != amt)
+      shndx_buf = _bfd_malloc_and_read (abfd, amt, amt);
+      if (shndx_buf == NULL)
        goto error_return;
-      shndx_hdr->contents = (bfd_byte *) shndx_buf;
+      shndx_hdr->contents = shndx_buf;
     }
 
   /* Get a copy of the native relocations.  */