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[patch] More -Wstack-usage warnings: opcodes/aarch64-*



aarch64-dis.c: In function ‘print_operands’:
aarch64-dis.c:2151:1: error: stack usage might be unbounded [-Werror=stack-usage=]
aarch64-opc.c: In function ‘print_register_offset_address’:
aarch64-opc.c:2301:1: error: stack usage might be unbounded [-Werror=stack-usage=]

OK for check-in?

I have looked at
and made the fix similar.

2016-03-24  Jan Kratochvil  <>

	Fix -Wstack-usage warnings.
	* aarch64-dis.c (print_operands): Substitute size.
	* aarch64-opc.c (print_register_offset_address): Substitute tblen.

diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index 025d5d1..05e4768 100644
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -2154,8 +2154,7 @@ print_operands (bfd_vma pc, const aarch64_opcode *opcode,
   int i, pcrel_p, num_printed;
   for (i = 0, num_printed = 0; i < AARCH64_MAX_OPND_NUM; ++i)
-      const size_t size = 128;
-      char str[size];
+      char str[128];
       /* We regard the opcode operand info more, however we also look into
 	 the inst->operands to support the disassembling of the optional
@@ -2166,7 +2165,7 @@ print_operands (bfd_vma pc, const aarch64_opcode *opcode,
       /* Generate the operand string in STR.  */
-      aarch64_print_operand (str, size, pc, opcode, opnds, i, &pcrel_p,
+      aarch64_print_operand (str, sizeof (str), pc, opcode, opnds, i, &pcrel_p,
       /* Print the delimiter (taking account of omitted operand(s)).  */
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index ae06ee3..76992df 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -2301,8 +2301,7 @@ static void
 print_register_offset_address (char *buf, size_t size,
 			       const aarch64_opnd_info *opnd)
-  const size_t tblen = 16;
-  char tb[tblen];		/* Temporary buffer.  */
+  char tb[16];			/* Temporary buffer.  */
   bfd_boolean lsl_p = FALSE;	/* Is LSL shift operator?  */
   bfd_boolean wm_p = FALSE;	/* Should Rm be Wm?  */
   bfd_boolean print_extend_p = TRUE;
@@ -2334,9 +2333,9 @@ print_register_offset_address (char *buf, size_t size,
   if (print_extend_p)
       if (print_amount_p)
-	snprintf (tb, tblen, ",%s #%d", shift_name, opnd->shifter.amount);
+	snprintf (tb, sizeof (tb), ",%s #%d", shift_name, opnd->shifter.amount);
-	snprintf (tb, tblen, ",%s", shift_name);
+	snprintf (tb, sizeof (tb), ",%s", shift_name);
     tb[0] = '\0';

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