A series of fixes to addres problems detected by compiling the assembler with address sanitization enabled.

	PR 24538
gas	* macro.c (get_any_string): Increase size of buffer used to hold
	decimal value of expression result.
	* dw2gencfi.c (get_debugseg_name): Handle an empty name.
	* dwarf2dbg.c (get_filenum): Catch integer wraparound when
	extending allocate file array.
	(dwarf2_directive_filename): Add extra checks of the computed file
	number.
	* config/tc-arm.c (arm_tc_equal_in_insn): Insert copy of name into
	warning hash table.
	(s_arm_eabi_attribute): Check for obj_elf_vendor_attribute
	returning -1.
	* config/tc-i386.c (i386_output_nops): Catch an attempt to
	generate nops of negative lengths.
	* as.h (MAX_LITTLENUMS): Move definition to here from...
	* config/atof-ieee.c: ...here.
	* config/tc-aarch64.c: ...here.
	* config/tc-arc.c: ...here.
	* config/tc-arm.c: ...here.
	* config/tc-epiphany.c: ...here.
	* config/tc-i386.c: ...here.
	* config/tc-ia64.c: ...here.  (And correct the value).
	* config/tc-m32c.c: ...here.
	* config/tc-m32r.c: ...here.
	* config/tc-metag.c: ...here.
	* config/tc-microblaze.c: ...here.
	* config/tc-nds32.c: ...here.
	* config/tc-or1k.c: ...here.
	* config/tc-score.c: ...here.
	* config/tc-score7.c: ...here.
	* config/tc-tic4x.c: ...here.
	* config/tc-tilegx.c: ...here.
	* config/tc-tilepro.c: ...here.
	* config/tc-visium.c: ...here.
	* config/tc-sh.c (md_assemble): Add check for an instruction with
	no opcodes.
	* config/tc-mips.c (mips_lookup_insn): Add check for very short
	instruction name.
	* config/tc-tic54x.c: Use unsigned chars to access is_end_of_line
	array.
	(tic54x_start_line_hook): Check for an empty line.
	(next_line_shows_parallel): Do not walk off the end of the string.
	(tic54x_macro_start): Check for too much macro nesting.
	(tic54x_start_label): Add label_start parameter.  Use this
	parameter to check the first character of the label.
	* config/tc-tic54x.h (TC_START_LABEL_WITHOUT_COLON): Pass
	line_start variable to tic54x_start_label.

	PR 24538
opcodes	* ia64-opc.c (ia64_find_matching_opcode): Check for reaching the
	end of the table prematurely.

2 files changed, 10 insertions, 1 deletions

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index ff72dba..c648a2c 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,9 @@
+2019-05-10  Nick Clifton  <nickc@redhat.com>
+
+	PR 24538
+	* ia64-opc.c (ia64_find_matching_opcode): Check for reaching the
+	end of the table prematurely.
+
 2019-05-10  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 
         * mips-opc.c (mips_opcodes): Enable ADD, SUB, DADD and DSUB
diff --git a/opcodes/ia64-opc.c b/opcodes/ia64-opc.c
index b6e95f1..5aa1198 100644
--- a/opcodes/ia64-opc.c
+++ b/opcodes/ia64-opc.c
@@ -123,7 +123,7 @@ static short
 find_main_ent (short nameindex)
 {
   short start = 0;
-  short end = sizeof (main_table) / sizeof (struct ia64_main_table);
+  short end = ARRAY_SIZE (main_table);
   short i = (start + end) / 2;
 
   if (nameindex < main_table[0].name_index
@@ -612,6 +612,9 @@ ia64_find_matching_opcode (const char *name, short place)
   const char *suffix;
   short name_index;
 
+  if ((unsigned) place >= ARRAY_SIZE (main_table))
+    return NULL;
+
   if (strlen (name) > 128)
     {
       return NULL;