OpenE2K/binutils-gdb
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Fix the use by the RL78 assembler of an uninitialised field in the expresion structure.

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* dwarf2dbg.c (generic_dwarf2_emit_offset): Use memset to
	initialise expression structure.
	(set_or_check_view): Likewise.
	(out_set_addr): Likewise.
	(emit_fixed_inc_line_addr): Likewise.
	(relax_inc_line_addr): Likewise.
	(out_debug_line): Likewise.
	(out_debug_ranges): Likewise.
	(out_debug_aranges): Likewise.
	(out_debug_info): Likewise.
This commit is contained in:
Nick Clifton 2018-09-13 09:34:53 +01:00
parent 4cb3152d95
commit 031e33500e
2 changed files with 22 additions and 0 deletions
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13
gas/ChangeLog
View File

@ -1,3 +1,16 @@
2018-09-13 Nick Clifton <nickc@redhat.com>
* dwarf2dbg.c (generic_dwarf2_emit_offset): Use memset to
initialise expression structure.
(set_or_check_view): Likewise.
(out_set_addr): Likewise.
(emit_fixed_inc_line_addr): Likewise.
(relax_inc_line_addr): Likewise.
(out_debug_line): Likewise.
(out_debug_ranges): Likewise.
(out_debug_aranges): Likewise.
(out_debug_info): Likewise.
2018-09-06 Alan Modra <amodra@gmail.com>
PR 23570

9
gas/dwarf2dbg.c
View File

@ -251,6 +251,7 @@ generic_dwarf2_emit_offset (symbolS *symbol, unsigned int size)
{
expressionS exp;
memset (&exp, 0, sizeof exp);
exp.X_op = O_symbol;
exp.X_add_symbol = symbol;
exp.X_add_number = 0;
@ -379,6 +380,7 @@ set_or_check_view (struct line_entry *e, struct line_entry *p,
if (view_assert_failed)
{
expressionS chk;
memset (&chk, 0, sizeof (chk));
chk.X_unsigned = 1;
chk.X_op = O_add;
@ -1108,6 +1110,7 @@ out_set_addr (symbolS *sym)
{
expressionS exp;
memset (&exp, 0, sizeof exp);
out_opcode (DW_LNS_extended_op);
out_uleb128 (sizeof_address + 1);
@ -1373,6 +1376,7 @@ emit_fixed_inc_line_addr (int line_delta, addressT addr_delta, fragS *frag,
symbolS *to_sym;
expressionS exp;
memset (&exp, 0, sizeof exp);
gas_assert (pexp->X_op == O_subtract);
to_sym = pexp->X_add_symbol;
@ -1413,6 +1417,7 @@ relax_inc_line_addr (int line_delta, symbolS *to_sym, symbolS *from_sym)
expressionS exp;
int max_chars;
memset (&exp, 0, sizeof exp);
exp.X_op = O_subtract;
exp.X_add_symbol = to_sym;
exp.X_op_symbol = from_sym;
@ -1780,6 +1785,7 @@ out_debug_line (segT line_seg)
struct line_seg *s;
int sizeof_offset;
memset (&exp, 0, sizeof exp);
sizeof_offset = out_header (line_seg, &exp);
line_end = exp.X_add_symbol;
@ -1850,6 +1856,7 @@ out_debug_ranges (segT ranges_seg)
expressionS exp;
unsigned int i;
memset (&exp, 0, sizeof exp);
subseg_set (ranges_seg, 0);
/* Base Address Entry. */
@ -1903,6 +1910,7 @@ out_debug_aranges (segT aranges_seg, segT info_seg)
char *p;
int sizeof_offset;
memset (&exp, 0, sizeof exp);
sizeof_offset = out_header (aranges_seg, &exp);
aranges_end = exp.X_add_symbol;
size = -exp.X_add_number;
@ -2012,6 +2020,7 @@ out_debug_info (segT info_seg, segT abbrev_seg, segT line_seg, segT ranges_seg,
symbolS *info_end;
int sizeof_offset;
memset (&exp, 0, sizeof exp);
sizeof_offset = out_header (info_seg, &exp);
info_end = exp.X_add_symbol;