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re PR sanitizer/60142 ([asan] -fsanitize=address breaks debugging - stepping into functions no longer possible)

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PR sanitizer/60142
	* final.c (SEEN_BB): Remove.
	(SEEN_NOTE, SEEN_EMITTED): Renumber.
	(final_scan_insn): Don't force_source_line on second
	NOTE_INSN_BASIC_BLOCK.

From-SVN: r207853
This commit is contained in:
Jakub Jelinek 2014-02-18 22:16:21 +01:00 committed by Jakub Jelinek
parent b19fd0fd71
commit 70aacc9798
2 changed files with 11 additions and 14 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2014-02-18 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/60142
* final.c (SEEN_BB): Remove.
(SEEN_NOTE, SEEN_EMITTED): Renumber.
(final_scan_insn): Don't force_source_line on second
NOTE_INSN_BASIC_BLOCK.
2014-02-18 Uros Bizjak <ubizjak@gmail.com>
PR target/60205

17
gcc/final.c
View File

@ -112,9 +112,8 @@ along with GCC; see the file COPYING3. If not see
#endif
/* Bitflags used by final_scan_insn. */
#define SEEN_BB 1
#define SEEN_NOTE 2
#define SEEN_EMITTED 4
#define SEEN_NOTE 1
#define SEEN_EMITTED 2
/* Last insn processed by final_scan_insn. */
static rtx debug_insn;
@ -2128,9 +2127,7 @@ call_from_call_insn (rtx insn)
SEEN is used to track the end of the prologue, for emitting
debug information. We force the emission of a line note after
both NOTE_INSN_PROLOGUE_END and NOTE_INSN_FUNCTION_BEG, or
at the beginning of the second basic block, whichever comes
first. */
both NOTE_INSN_PROLOGUE_END and NOTE_INSN_FUNCTION_BEG. */
rtx
final_scan_insn (rtx insn, FILE *file, int optimize_p ATTRIBUTE_UNUSED,
@ -2189,14 +2186,6 @@ final_scan_insn (rtx insn, FILE *file, int optimize_p ATTRIBUTE_UNUSED,
if (targetm.asm_out.unwind_emit)
targetm.asm_out.unwind_emit (asm_out_file, insn);
if ((*seen & (SEEN_EMITTED | SEEN_BB)) == SEEN_BB)
{
*seen |= SEEN_EMITTED;
force_source_line = true;
}
else
*seen |= SEEN_BB;
discriminator = NOTE_BASIC_BLOCK (insn)->discriminator;
break;