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PR symtab/13777
	* dwarf2read.c (process_full_comp_unit): Set LOCATIONS_VALID only for
	GCC >=4.5.

gdb/testsuite/
	PR symtab/13777
	* gdb.dwarf2/dw2-skip-prologue.S (DW_AT_producer): Set it to 4.5.0.
This commit is contained in:
Jan Kratochvil 2012-03-16 18:26:02 +00:00
parent c366c1f032
commit ab260dad39
4 changed files with 16 additions and 3 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2012-03-16 Jan Kratochvil <jan.kratochvil@redhat.com>
PR symtab/13777
* dwarf2read.c (process_full_comp_unit): Set LOCATIONS_VALID only for
GCC >=4.5.
2012-03-16 Chris January <chris.january@allinea.com>
* tui-tui.win.c (tui_resize_all): Use erase and clearok instead

6
gdb/dwarf2read.c
View File

@ -4868,7 +4868,9 @@ process_full_comp_unit (struct dwarf2_per_cu_data *per_cu)
/* GCC-4.0 has started to support -fvar-tracking. GCC-3.x still can
produce DW_AT_location with location lists but it can be possibly
invalid without -fvar-tracking.
invalid without -fvar-tracking. Still up to GCC-4.4.x incl. 4.4.0
there were bugs in prologue debug info, fixed later in GCC-4.5
by "unwind info for epilogues" patch (which is not directly related).
For -gdwarf-4 type units LOCATIONS_VALID indication is fortunately not
needed, it would be wrong due to missing DW_AT_producer there.
@ -4876,7 +4878,7 @@ process_full_comp_unit (struct dwarf2_per_cu_data *per_cu)
Still one can confuse GDB by using non-standard GCC compilation
options - this waits on GCC PR other/32998 (-frecord-gcc-switches).
*/
if (cu->has_loclist && gcc_4_minor >= 0)
if (cu->has_loclist && gcc_4_minor >= 5)
symtab->locations_valid = 1;
if (gcc_4_minor >= 5)

5
gdb/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2012-03-16 Jan Kratochvil <jan.kratochvil@redhat.com>
PR symtab/13777
* gdb.dwarf2/dw2-skip-prologue.S (DW_AT_producer): Set it to 4.5.0.
2012-03-16 Joel Brobecker <brobecker@adacore.com>
* gdb.ada/set_pckd_arr_elt: New testcase.

2
gdb/testsuite/gdb.dwarf2/dw2-skip-prologue.S
View File

@ -30,7 +30,7 @@
.4byte func_start /* DW_AT_low_pc */
.4byte func_end /* DW_AT_high_pc */
.ascii "main.c\0" /* DW_AT_name */
.ascii "GNU C 4.0.0\0" /* DW_AT_producer must be >= 4.0 */
.ascii "GNU C 4.5.0\0" /* DW_AT_producer must be >= 4.5 */
.byte 2 /* DW_AT_language (DW_LANG_C) */
.uleb128 2 /* Abbrev: DW_TAG_subprogram */