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[deliverable/binutils-gdb.git] / bfd / elf32-rl78.c

diff --git a/bfd/elf32-rl78.c b/bfd/elf32-rl78.c
index ba95515f7d51fc2b71b29de9b1ef819daaa657aa..633350faec42d7a07f3972d5f971aba6cbf7ebf9 100644 (file)
--- a/bfd/elf32-rl78.c
+++ b/bfd/elf32-rl78.c
@@ -1,5 +1,5 @@
 /* Renesas RL78 specific support for 32-bit ELF.
-   Copyright (C) 2011-2019 Free Software Foundation, Inc.
+   Copyright (C) 2011-2020 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -1822,7 +1822,7 @@ static bfd_vma
 rl78_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,
                       Elf_Internal_Rela **     lrel,
                       bfd *                    input_bfd,
@@ -2068,7 +2068,7 @@ rl78_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;
   bfd_vma pc;
   bfd_vma symval ATTRIBUTE_UNUSED = 0;
   int pcrel ATTRIBUTE_UNUSED = 0;
@@ -2121,17 +2121,20 @@ rl78_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_no_memory);
+         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.  */