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* dwarf2read.c (free_die_list, copy_die): Delete.

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(dwarf_alloc_die): Take a CU argument.  Allocate the new DIE
	on the obstack.
	(read_full_die): Update call to dwarf_alloc_die.  Allocate
	attributes on the CU obstack.
	(free_one_comp_unit): Do not call free_die_list.
This commit is contained in:
Daniel Jacobowitz 2008-08-20 19:39:11 +00:00
parent 1d325ec1dc
commit 7475d07224
2 changed files with 16 additions and 62 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2008-08-20 Daniel Jacobowitz <dan@codesourcery.com>
* dwarf2read.c (free_die_list, copy_die): Delete.
(dwarf_alloc_die): Take a CU argument. Allocate the new DIE
on the obstack.
(read_full_die): Update call to dwarf_alloc_die. Allocate
attributes on the CU obstack.
(free_one_comp_unit): Do not call free_die_list.
2008-08-20 Daniel Jacobowitz <dan@codesourcery.com>
* dwarf2read.c (read_die_and_children): Ignore NULL DIEs.

69
gdb/dwarf2read.c
View File

@ -954,8 +954,6 @@ static struct die_info *read_die_and_siblings (gdb_byte *info_ptr, bfd *abfd,
gdb_byte **new_info_ptr,
struct die_info *parent);
static void free_die_list (struct die_info *);
static void process_die (struct die_info *, struct dwarf2_cu *);
static char *dwarf2_linkage_name (struct die_info *, struct dwarf2_cu *);
@ -979,8 +977,6 @@ static char *dwarf_type_encoding_name (unsigned int);
#if 0
static char *dwarf_cfi_name (unsigned int);
struct die_info *copy_die (struct die_info *);
#endif
static struct die_info *sibling_die (struct die_info *);
@ -1007,7 +1003,7 @@ static struct dwarf_block *dwarf_alloc_block (struct dwarf2_cu *);
static struct abbrev_info *dwarf_alloc_abbrev (struct dwarf2_cu *);
static struct die_info *dwarf_alloc_die (void);
static struct die_info *dwarf_alloc_die (struct dwarf2_cu *);
static void initialize_cu_func_list (struct dwarf2_cu *);
@ -5200,25 +5196,6 @@ read_die_and_siblings (gdb_byte *info_ptr, bfd *abfd,
}
}
/* Free a linked list of dies. */
static void
free_die_list (struct die_info *dies)
{
struct die_info *die, *next;
die = dies;
while (die)
{
if (die->child != NULL)
free_die_list (die->child);
next = die->sibling;
xfree (die->attrs);
xfree (die);
die = next;
}
}
/* Decompress a section that was compressed using zlib. Store the
decompressed buffer, and its size, in OUTBUF and OUTSIZE. */
@ -6059,14 +6036,15 @@ read_full_die (struct die_info **diep, bfd *abfd, gdb_byte *info_ptr,
abbrev_number,
bfd_get_filename (abfd));
}
die = dwarf_alloc_die ();
die = dwarf_alloc_die (cu);
die->offset = offset;
die->tag = abbrev->tag;
die->abbrev = abbrev_number;
die->num_attrs = abbrev->num_attrs;
die->attrs = (struct attribute *)
xmalloc (die->num_attrs * sizeof (struct attribute));
obstack_alloc (&cu->comp_unit_obstack,
die->num_attrs * sizeof (struct attribute));
for (i = 0; i < abbrev->num_attrs; ++i)
{
@ -8019,38 +7997,6 @@ typename_concat (struct obstack *obs, const char *prefix, const char *suffix,
}
}
#if 0
struct die_info *
copy_die (struct die_info *old_die)
{
struct die_info *new_die;
int i, num_attrs;
new_die = (struct die_info *) xmalloc (sizeof (struct die_info));
memset (new_die, 0, sizeof (struct die_info));
new_die->tag = old_die->tag;
new_die->has_children = old_die->has_children;
new_die->abbrev = old_die->abbrev;
new_die->offset = old_die->offset;
num_attrs = old_die->num_attrs;
new_die->num_attrs = num_attrs;
new_die->attrs = (struct attribute *)
xmalloc (num_attrs * sizeof (struct attribute));
for (i = 0; i < old_die->num_attrs; ++i)
{
new_die->attrs[i].name = old_die->attrs[i].name;
new_die->attrs[i].form = old_die->attrs[i].form;
new_die->attrs[i].u.addr = old_die->attrs[i].u.addr;
}
new_die->next = NULL;
return new_die;
}
#endif
/* Return sibling of die, NULL if no sibling. */
static struct die_info *
@ -9488,11 +9434,12 @@ dwarf_alloc_abbrev (struct dwarf2_cu *cu)
}
static struct die_info *
dwarf_alloc_die (void)
dwarf_alloc_die (struct dwarf2_cu *cu)
{
struct die_info *die;
die = (struct die_info *) xmalloc (sizeof (struct die_info));
die = (struct die_info *)
obstack_alloc (&cu->comp_unit_obstack, sizeof (struct die_info));
memset (die, 0, sizeof (struct die_info));
return (die);
}
@ -10117,8 +10064,6 @@ free_one_comp_unit (void *data)
cu->per_cu = NULL;
obstack_free (&cu->comp_unit_obstack, NULL);
if (cu->dies)
free_die_list (cu->dies);
xfree (cu);
}