Remove use of alloca.

bfd	* warning.m4 (GCC_WARN_CFLAGS): Add -Wstack-usage=262144
	* configure: Regenerate.
	* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Replace use of
	alloca with call to xmalloc.
	* elf32-nds32.c: Likewise.
	* elf64-hppa.c: Likewise.
	* elfxx-mips.c: Likewise.
	* pef.c: Likewise.
	* pei-x86_64.c: Likewise.
	* som.c: Likewise.
	* xsym.c: Likewise.

binutils * dlltool.c: Replace use of alloca with call to xmalloc.
	* dllwrap.c: Likewise.
	* nlmconv.c: Likewise.
	* objdump.c: Likewise.
	* resrc.c: Likewise.
	* winduni.c: Likewise.
	* configure: Regenerate.

gas	* atof-generic.c: Replace use of alloca with call to xmalloc.
	* cgen.c: Likewise.
	* dwarf2dbg.c: Likewise.
	* macro.c: Likewise.
	* remap.c: Likewise.
	* stabs.c: Likewise.
	* symbols.c: Likewise.
	* config/obj-elf.c: Likewise.
	* config/tc-aarch64.c: Likewise.
	* config/tc-arc.c: Likewise.
	* config/tc-arm.c: Likewise.
	* config/tc-avr.c: Likewise.
	* config/tc-ia64.c: Likewise.
	* config/tc-mips.c: Likewise.
	* config/tc-msp430.c: Likewise.
	* config/tc-nds32.c: Likewise.
	* config/tc-ppc.c: Likewise.
	* config/tc-sh.c: Likewise.
	* config/tc-tic30.c: Likewise.
	* config/tc-tic54x.c: Likewise.
	* config/tc-xstormy16.c: Likewise.
	* config/te-vms.c: Likewise.
	* configure: Regenerate.

ld	* emultempl/msp430.em: Replace use of alloca with call to xmalloc.
	* plugin.c: Likewise.
	* pe-dll.c: Likewise.

1 files changed, 6 insertions, 12 deletions

diff --git a/gas/remap.c b/gas/remap.c
index 5f7b49eae4e..87eda013289 100644
--- a/gas/remap.c
+++ b/gas/remap.c
@@ -73,19 +73,13 @@ const char *
 remap_debug_filename (const char *filename)
 {
   debug_prefix_map *map;
-  char *s;
-  const char *name;
-  size_t name_len;
 
   for (map = debug_prefix_maps; map; map = map->next)
     if (filename_ncmp (filename, map->old_prefix, map->old_len) == 0)
-      break;
-  if (!map)
-    return xstrdup (filename);
-  name = filename + map->old_len;
-  name_len = strlen (name) + 1;
-  s = (char *) alloca (name_len + map->new_len);
-  memcpy (s, map->new_prefix, map->new_len);
-  memcpy (s + map->new_len, name, name_len);
-  return xstrdup (s);
+      {
+	const char *name = filename + map->old_len;
+	return concat (map->new_prefix, name, NULL);
+      }
+	
+  return xstrdup (filename);
 }