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* dwarf2read.c (psymtabs_addrmap_cleanup): New function. 

(dwarf2_build_psymtabs_hard): Use it.  Create addrmap on a
	temporary obstack.
This commit is contained in:
Tom Tromey 2010-06-17 17:36:54 +00:00
parent 83bcb37903
commit 60606b2c71
2 changed files with 24 additions and 3 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2010-06-17 Tom Tromey <tromey@redhat.com>
* dwarf2read.c (psymtabs_addrmap_cleanup): New function.
(dwarf2_build_psymtabs_hard): Use it. Create addrmap on a
temporary obstack.
2010-06-16 Sergio Durigan Junior <sergiodj@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>

21
gdb/dwarf2read.c
View File

@ -1995,6 +1995,15 @@ build_type_psymtabs (struct objfile *objfile)
process_type_comp_unit, objfile);
}
/* A cleanup function that clears objfile's psymtabs_addrmap field. */
static void
psymtabs_addrmap_cleanup (void *o)
{
struct objfile *objfile = o;
objfile->psymtabs_addrmap = NULL;
}
/* Build the partial symbol table by doing a quick pass through the
.debug_info and .debug_abbrev sections. */
@ -2002,7 +2011,8 @@ static void
dwarf2_build_psymtabs_hard (struct objfile *objfile)
{
gdb_byte *info_ptr;
struct cleanup *back_to;
struct cleanup *back_to, *addrmap_cleanup;
struct obstack temp_obstack;
dwarf2_read_section (objfile, &dwarf2_per_objfile->info);
info_ptr = dwarf2_per_objfile->info.buffer;
@ -2015,8 +2025,12 @@ dwarf2_build_psymtabs_hard (struct objfile *objfile)
create_all_comp_units (objfile);
objfile->psymtabs_addrmap =
addrmap_create_mutable (&objfile->objfile_obstack);
/* Create a temporary address map on a temporary obstack. We later
copy this to the final obstack. */
obstack_init (&temp_obstack);
make_cleanup_obstack_free (&temp_obstack);
objfile->psymtabs_addrmap = addrmap_create_mutable (&temp_obstack);
addrmap_cleanup = make_cleanup (psymtabs_addrmap_cleanup, objfile);
/* Since the objects we're extracting from .debug_info vary in
length, only the individual functions to extract them (like
@ -2048,6 +2062,7 @@ dwarf2_build_psymtabs_hard (struct objfile *objfile)
objfile->psymtabs_addrmap = addrmap_create_fixed (objfile->psymtabs_addrmap,
&objfile->objfile_obstack);
discard_cleanups (addrmap_cleanup);
do_cleanups (back_to);
}