From e1fa0163505af867009ea73fc5f705162120e795 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Mon, 21 Mar 2016 16:31:46 +0000
Subject: 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.
---
 gas/macro.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'gas/macro.c')

diff --git a/gas/macro.c b/gas/macro.c
index b083382..cddf26a 100644
--- a/gas/macro.c
+++ b/gas/macro.c
@@ -1250,13 +1250,14 @@ check_macro (const char *line, sb *expand,
   if (is_name_ender (*s))
     ++s;
 
-  copy = (char *) alloca (s - line + 1);
+  copy = (char *) xmalloc (s - line + 1);
   memcpy (copy, line, s - line);
   copy[s - line] = '\0';
   for (cls = copy; *cls != '\0'; cls ++)
     *cls = TOLOWER (*cls);
 
   macro = (macro_entry *) hash_find (macro_hash, copy);
+  free (copy);
 
   if (macro == NULL)
     return 0;
@@ -1288,7 +1289,7 @@ delete_macro (const char *name)
   macro_entry *macro;
 
   len = strlen (name);
-  copy = (char *) alloca (len + 1);
+  copy = (char *) xmalloc (len + 1);
   for (i = 0; i < len; ++i)
     copy[i] = TOLOWER (name[i]);
   copy[i] = '\0';
@@ -1303,6 +1304,7 @@ delete_macro (const char *name)
     }
   else
     as_warn (_("Attempt to purge non-existant macro `%s'"), copy);
+  free (copy);
 }
 
 /* Handle the MRI IRP and IRPC pseudo-ops.  These are handled as a
-- 
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