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.

1 files changed, 6 insertions, 3 deletions

diff --git a/gas/config/tc-tic54x.h b/gas/config/tc-tic54x.h
index 0eda396..2797ae4 100644
--- a/gas/config/tc-tic54x.h
+++ b/gas/config/tc-tic54x.h
@@ -64,10 +64,13 @@ struct bit_info
 #define TC_FRAG_TYPE int
 #define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0)
 
-/* tell GAS whether the given token is indeed a code label */
+/* Tell GAS whether the given token is indeed a code label.
+   Note - we make of the knowledge that this macro will be called from
+   read.c:read_a_source_file()  in that we also pass the local variable
+   line_start.  */
 #define TC_START_LABEL_WITHOUT_COLON(NUL_CHAR, NEXT_CHAR) \
-  tic54x_start_label(NUL_CHAR, NEXT_CHAR)
-extern int tic54x_start_label (int, int);
+  tic54x_start_label (line_start, NUL_CHAR, NEXT_CHAR)
+extern int tic54x_start_label (char *, int, int);
 
 /* custom handling for relocations in cons expressions */
 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)	\