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336d1bba0a
* frame-base.h (frame_base_p_ftype): Delete definition. (frame_base_append_predicate): Delete declaration. * frame-unwind.h (frame_unwind_p_ftype): Delete definition. (frame_unwind_append_predicate): Delete declaration. * frame-unwind.c (struct frame_unwind_table): Delete field "p". (append_predicate): Delete parameter "p". (frame_unwind_append_predicate): Delete function. (frame_unwind_append_sniffer): Update call to append_predicate. (frame_unwind_free): Delete function. (_initialize_frame_unwind): Pass NULL as "free" to register_gdbarch_data. (frame_unwind_init): Append the dummy_frame_sniffer. (frame_unwind_find_by_frame): Simplify. * frame-base.c (struct frame_base_table): Delete field "p". (append_predicate): Delete parameter "p". (frame_base_append_predicate): Delete function. (frame_base_append_sniffer): Update call to append_predicate. (frame_base_free): Delete function. (frame_base_find_by_frame): Simplify. (_initialize_frame_base): Pass NULL as "free" to register_gdbarch_data. * x86-64-tdep.c (x86_64_frame_sniffer): Replace "x86_64_frame_p". (x86_64_sigtramp_frame_sniffer): Replace "x86_64_sigtramp_frame_p". (x86_64_init_abi): Set the frame unwind sniffers. * m68k-tdep.c (m68k_frame_sniffer): Replace "m68k_frame_p". (m68k_sigtramp_frame_sniffer): Replace "m68k_sigtramp_frame_p" (m68k_gdbarch_init): Set the frame unwind sniffers. * i386-tdep.c (i386_sigtramp_frame_sniffer): Replace "i386_sigtramp_frame_p". (i386_frame_sniffer): Replace "i386_frame_p". (i386_gdbarch_init): Set the frame unwind sniffers. * avr-tdep.c (avr_frame_sniffer): Replace "avr_frame_sniffer". (avr_gdbarch_init): Set the frame unwind sniffers. * alpha-tdep.c (alpha_sigtramp_frame_sniffer): Replace "alpha_sigtramp_frame_p" (alpha_heuristic_frame_sniffer): Replace "alpha_heuristic_frame_p". (alpha_gdbarch_init): Set the frame unwind sniffers. (alpha_dwarf2_init_abi): Ditto. * alpha-mdebug-tdep.c (alpha_mdebug_frame_sniffer): Replace "alpha_debug_frame_p". (alpha_mdebug_frame_base_sniffer): Replace "alpha_mdebug_frame_base_p". (alpha_mdebug_init_abi): Set the frame unwind sniffers. * d10v-tdep.c (d10v_frame_sniffer): Replace "d10v_frame_p". (d10v_gdbarch_init): Set the frame unwind sniffer. * dwarf2-frame.c (dwarf2_frame_sniffer): Replace "dwarf2_frame_p". (dwarf2_frame_base_sniffer): Replace "dwarf2_frame_base_p". * dwarf2-frame.h (dwarf2_frame_sniffer): Replace "dwarf2_frame_p". (dwarf2_frame_base_sniffer): Replace "dwarf2_frame_base_p". * dummy-frame.c (dummy_frame_sniffer): Replace "dummy_frame_p". * dummy-frame.h (dummy_frame_sniffer): Replace "dummy_frame_p".
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/* Definitions for frame unwinder, for GDB, the GNU debugger.
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Copyright 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "frame.h"
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#include "frame-unwind.h"
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#include "gdb_assert.h"
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#include "dummy-frame.h"
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static struct gdbarch_data *frame_unwind_data;
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struct frame_unwind_table
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{
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frame_unwind_sniffer_ftype **sniffer;
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int nr;
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};
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/* Append a predicate to the end of the table. */
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static void
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append_predicate (struct frame_unwind_table *table,
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frame_unwind_sniffer_ftype *sniffer)
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{
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table->sniffer = xrealloc (table->sniffer, ((table->nr + 1)
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* sizeof (frame_unwind_sniffer_ftype *)));
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table->sniffer[table->nr] = sniffer;
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table->nr++;
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}
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static void *
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frame_unwind_init (struct gdbarch *gdbarch)
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{
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struct frame_unwind_table *table = XCALLOC (1, struct frame_unwind_table);
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append_predicate (table, dummy_frame_sniffer);
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return table;
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}
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void
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frame_unwind_append_sniffer (struct gdbarch *gdbarch,
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frame_unwind_sniffer_ftype *sniffer)
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{
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struct frame_unwind_table *table =
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gdbarch_data (gdbarch, frame_unwind_data);
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if (table == NULL)
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{
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/* ULGH, called during architecture initialization. Patch
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things up. */
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table = frame_unwind_init (gdbarch);
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set_gdbarch_data (gdbarch, frame_unwind_data, table);
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}
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append_predicate (table, sniffer);
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}
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const struct frame_unwind *
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frame_unwind_find_by_frame (struct frame_info *next_frame)
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{
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int i;
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struct gdbarch *gdbarch = get_frame_arch (next_frame);
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struct frame_unwind_table *table = gdbarch_data (gdbarch, frame_unwind_data);
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if (!DEPRECATED_USE_GENERIC_DUMMY_FRAMES)
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/* Seriously old code. Don't even try to use this new mechanism.
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(Note: The variable USE_GENERIC_DUMMY_FRAMES is deprecated, not
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the dummy frame mechanism. All architectures should be using
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generic dummy frames). */
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return legacy_saved_regs_unwind;
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for (i = 0; i < table->nr; i++)
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{
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const struct frame_unwind *desc;
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desc = table->sniffer[i] (next_frame);
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if (desc != NULL)
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return desc;
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}
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return legacy_saved_regs_unwind;
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}
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extern initialize_file_ftype _initialize_frame_unwind; /* -Wmissing-prototypes */
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void
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_initialize_frame_unwind (void)
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{
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frame_unwind_data = register_gdbarch_data (frame_unwind_init, NULL);
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}
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