OpenE2K/binutils-gdb
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2004-03-18 Andrew Cagney <cagney@redhat.com>

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* frame-base.c: Update copyright.  Include "gdb_obstack.h".
	(struct frame_base_table_entry): Define.
	(struct frame_base_table): Re-implement as a linked list.
	(frame_base_init): Re-implement.
	(frame_base_table): Delete function.
	(append_predicate): Delete function.
	(frame_base_append_sniffer): Update.
	(frame_base_set_default): Update.
	(frame_base_find_by_frame): Update.
	(_initialize_frame_base): Use gdbarch_data_register_pre_init.
	* Makefile.in (frame-base.o): Update dependencies.
This commit is contained in:
Andrew Cagney 2004-03-18 16:22:00 +00:00
parent c95b35a920
commit 0cad6aec70
3 changed files with 41 additions and 40 deletions
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14
gdb/ChangeLog
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@ -1,3 +1,17 @@
2004-03-18 Andrew Cagney <cagney@redhat.com>
* frame-base.c: Update copyright. Include "gdb_obstack.h".
(struct frame_base_table_entry): Define.
(struct frame_base_table): Re-implement as a linked list.
(frame_base_init): Re-implement.
(frame_base_table): Delete function.
(append_predicate): Delete function.
(frame_base_append_sniffer): Update.
(frame_base_set_default): Update.
(frame_base_find_by_frame): Update.
(_initialize_frame_base): Use gdbarch_data_register_pre_init.
* Makefile.in (frame-base.o): Update dependencies.
2004-03-17 Andrew Cagney <cagney@redhat.com>
* frame.c (legacy_get_prev_frame): Pass correct frame to

3
gdb/Makefile.in
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@ -1758,7 +1758,8 @@ f-lang.o: f-lang.c $(defs_h) $(gdb_string_h) $(symtab_h) $(gdbtypes_h) \
fork-child.o: fork-child.c $(defs_h) $(gdb_string_h) $(frame_h) \
$(inferior_h) $(target_h) $(gdb_wait_h) $(gdb_vfork_h) $(gdbcore_h) \
$(terminal_h) $(gdbthread_h) $(command_h)
frame-base.o: frame-base.c $(defs_h) $(frame_base_h) $(frame_h)
frame-base.o: frame-base.c $(defs_h) $(frame_base_h) $(frame_h) \
$(gdb_obstack_h)
frame.o: frame.c $(defs_h) $(frame_h) $(target_h) $(value_h) $(inferior_h) \
$(regcache_h) $(gdb_assert_h) $(gdb_string_h) $(user_regs_h) \
$(gdb_obstack_h) $(dummy_frame_h) $(sentinel_frame_h) $(gdbcore_h) \

64
gdb/frame-base.c
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@ -1,6 +1,6 @@
/* Definitions for frame address handler, for GDB, the GNU debugger.
Copyright 2003 Free Software Foundation, Inc.
Copyright 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
@ -22,6 +22,7 @@
#include "defs.h"
#include "frame-base.h"
#include "frame.h"
#include "gdb_obstack.h"
/* A default frame base implementations. If it wasn't for the old
DEPRECATED_FRAME_LOCALS_ADDRESS and DEPRECATED_FRAME_ARGS_ADDRESS,
@ -68,60 +69,44 @@ const struct frame_base default_frame_base = {
static struct gdbarch_data *frame_base_data;
struct frame_base_table_entry
{
frame_base_sniffer_ftype *sniffer;
struct frame_base_table_entry *next;
};
struct frame_base_table
{
frame_base_sniffer_ftype **sniffer;
struct frame_base_table_entry *head;
struct frame_base_table_entry **tail;
const struct frame_base *default_base;
int nr;
};
static void *
frame_base_init (struct gdbarch *gdbarch)
frame_base_init (struct obstack *obstack)
{
struct frame_base_table *table = XCALLOC (1, struct frame_base_table);
struct frame_base_table *table
= OBSTACK_ZALLOC (obstack, struct frame_base_table);
table->tail = &table->head;
table->default_base = &default_frame_base;
return table;
}
static struct frame_base_table *
frame_base_table (struct gdbarch *gdbarch)
{
struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
if (table == NULL)
{
/* ULGH, called during architecture initialization. Patch
things up. */
table = frame_base_init (gdbarch);
deprecated_set_gdbarch_data (gdbarch, frame_base_data, table);
}
return table;
}
/* Append a predicate to the end of the table. */
static void
append_predicate (struct frame_base_table *table,
frame_base_sniffer_ftype *sniffer)
{
table->sniffer = xrealloc (table->sniffer,
((table->nr + 1)
* sizeof (frame_base_sniffer_ftype *)));
table->sniffer[table->nr] = sniffer;
table->nr++;
}
void
frame_base_append_sniffer (struct gdbarch *gdbarch,
frame_base_sniffer_ftype *sniffer)
{
struct frame_base_table *table = frame_base_table (gdbarch);
append_predicate (table, sniffer);
struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
(*table->tail) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct frame_base_table_entry);
(*table->tail)->sniffer = sniffer;
table->tail = &(*table->tail)->next;
}
void
frame_base_set_default (struct gdbarch *gdbarch,
const struct frame_base *default_base)
{
struct frame_base_table *table = frame_base_table (gdbarch);
struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
table->default_base = default_base;
}
@ -129,12 +114,13 @@ const struct frame_base *
frame_base_find_by_frame (struct frame_info *next_frame)
{
struct gdbarch *gdbarch = get_frame_arch (next_frame);
struct frame_base_table *table = frame_base_table (gdbarch);
int i;
for (i = 0; i < table->nr; i++)
struct frame_base_table *table = gdbarch_data (gdbarch, frame_base_data);
struct frame_base_table_entry *entry;
for (entry = table->head; entry != NULL; entry = entry->next)
{
const struct frame_base *desc = NULL;
desc = table->sniffer[i] (next_frame);
desc = entry->sniffer (next_frame);
if (desc != NULL)
return desc;
}
@ -146,5 +132,5 @@ extern initialize_file_ftype _initialize_frame_base; /* -Wmissing-prototypes */
void
_initialize_frame_base (void)
{
frame_base_data = gdbarch_data_register_post_init (frame_base_init);
frame_base_data = gdbarch_data_register_pre_init (frame_base_init);
}