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fix init_cutu_and_read_dies 

init_cutu_and_read_dies creates an outer cleanup and uses its
immediately nested inner cleanup conditionally.  This seems overly
complicated to me; simpler is to just deal with the outer cleanup and
drop the inner one.  That is what this patch implements.

	* dwarf2read.c (init_cutu_and_read_dies): Remove 'free_cu_cleanup'.
	Simplify cleanup handling.
This commit is contained in:
Tom Tromey 2013-07-22 17:58:51 +00:00
parent 2f324bf6cb
commit d11600184f
2 changed files with 19 additions and 19 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2013-07-22 Tom Tromey <tromey@redhat.com>
* dwarf2read.c (init_cutu_and_read_dies): Remove 'free_cu_cleanup'.
Simplify cleanup handling.
2013-07-22 Tom Tromey <tromey@redhat.com>
* dwarf2read.c (dwarf_decode_line_header): Call do_cleanups

33
gdb/dwarf2read.c
View File

@ -5015,7 +5015,7 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
struct die_info *comp_unit_die;
int has_children;
struct attribute *attr;
struct cleanup *cleanups, *free_cu_cleanup = NULL;
struct cleanup *cleanups;
struct signatured_type *sig_type = NULL;
struct dwarf2_section_info *abbrev_section;
/* Non-zero if CU currently points to a DWO file and we need to
@ -5074,7 +5074,7 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
init_one_comp_unit (cu, this_cu);
/* If an error occurs while loading, release our storage. */
free_cu_cleanup = make_cleanup (free_heap_comp_unit, cu);
make_cleanup (free_heap_comp_unit, cu);
}
/* Get the header. */
@ -5203,27 +5203,22 @@ init_cutu_and_read_dies (struct dwarf2_per_cu_data *this_cu,
die_reader_func (&reader, info_ptr, comp_unit_die, has_children, data);
/* Done, clean up. */
if (free_cu_cleanup != NULL)
if (keep)
{
if (keep)
{
/* We've successfully allocated this compilation unit. Let our
caller clean it up when finished with it. */
discard_cleanups (free_cu_cleanup);
/* We've successfully allocated this compilation unit. Let our
caller clean it up when finished with it. */
discard_cleanups (cleanups);
/* We can only discard free_cu_cleanup and all subsequent cleanups.
So we have to manually free the abbrev table. */
dwarf2_free_abbrev_table (cu);
/* We can only discard free_cu_cleanup and all subsequent cleanups.
So we have to manually free the abbrev table. */
dwarf2_free_abbrev_table (cu);
/* Link this CU into read_in_chain. */
this_cu->cu->read_in_chain = dwarf2_per_objfile->read_in_chain;
dwarf2_per_objfile->read_in_chain = this_cu;
}
else
do_cleanups (free_cu_cleanup);
/* Link this CU into read_in_chain. */
this_cu->cu->read_in_chain = dwarf2_per_objfile->read_in_chain;
dwarf2_per_objfile->read_in_chain = this_cu;
}
do_cleanups (cleanups);
else
do_cleanups (cleanups);
}
/* Read CU/TU THIS_CU in section SECTION,