From 0cad6aec700c33828cd0ec00aefcda1cc0813bb4 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Thu, 18 Mar 2004 16:22:00 +0000 Subject: [PATCH] 2004-03-18 Andrew Cagney * 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. --- gdb/ChangeLog | 14 +++++++++++++ gdb/Makefile.in | 3 ++- gdb/frame-base.c | 64 ++++++++++++++++++++++---------------------------------- 3 files changed, 41 insertions(+), 40 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 4b09d23..a65f4f0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,17 @@ +2004-03-18 Andrew Cagney + + * 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 * frame.c (legacy_get_prev_frame): Pass correct frame to diff --git a/gdb/Makefile.in b/gdb/Makefile.in index ceb1c1c..fd04d0c 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -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) \ diff --git a/gdb/frame-base.c b/gdb/frame-base.c index e651b05..0fce6bc 100644 --- a/gdb/frame-base.c +++ b/gdb/frame-base.c @@ -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); } -- 2.7.4