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10c42a7141
* frame.h (frame_register_unwind, frame_unwind_register) (get_frame_register, frame_register, put_frame_register) (get_frame_memory, safe_frame_unwind_memory) (frame_register_read): Use gdb_byte for byte buffer parameters. * trad-frame.h (trad_frame_get_register) (frame_get_prev_register): Ditto. * frame-unwind.h (frame_prev_register_ftype): Ditto. * frame.c (frame_pop, frame_register, frame_unwind_register) (get_frame_register, frame_unwind_register_signed) (frame_unwind_register_unsigned, frame_unwind_unsigned_register) (frame_register_read, get_frame_memory): Update. * trad-frame.c (trad_frame_get_prev_register): Update. (trad_frame_get_register): Update. * gdbcore.h (deprecated_read_memory_nobpt, read_memory): Ditto. * breakpoint.c (deprecated_read_memory_nobpt): Update. * corefile.c (read_memory): Update. * tramp-frame.c (tramp_frame_prev_register): Update. * valops.c (value_assign): Update. * sentinel-frame.c (sentinel_frame_prev_register): Update. * std-regs.c (value_of_builtin_frame_fp_reg) (value_of_builtin_frame_pc_reg): Update. * infcmd.c (default_print_registers_info): Update * dummy-frame.c (dummy_frame_prev_register): Update. * findvar.c (value_of_register, value_from_register): Update. * tui/tui-regs.c (tui_register_format, tui_get_register): Update. * mi/mi-main.c (register_changed_p, get_register): Update.
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/* Code dealing with register stack frames, for GDB, the GNU debugger.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
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1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
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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 "regcache.h"
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#include "sentinel-frame.h"
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#include "inferior.h"
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#include "frame-unwind.h"
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struct frame_unwind_cache
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{
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struct regcache *regcache;
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};
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void *
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sentinel_frame_cache (struct regcache *regcache)
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{
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struct frame_unwind_cache *cache =
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FRAME_OBSTACK_ZALLOC (struct frame_unwind_cache);
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cache->regcache = regcache;
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return cache;
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}
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/* Here the register value is taken direct from the register cache. */
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static void
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sentinel_frame_prev_register (struct frame_info *next_frame,
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void **this_prologue_cache,
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int regnum, int *optimized,
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enum lval_type *lvalp, CORE_ADDR *addrp,
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int *realnum, gdb_byte *bufferp)
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{
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struct frame_unwind_cache *cache = *this_prologue_cache;
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/* Describe the register's location. A reg-frame maps all registers
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onto the corresponding hardware register. */
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*optimized = 0;
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*lvalp = lval_register;
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*addrp = register_offset_hack (current_gdbarch, regnum);
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*realnum = regnum;
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/* If needed, find and return the value of the register. */
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if (bufferp != NULL)
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{
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/* Return the actual value. */
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/* Use the regcache_cooked_read() method so that it, on the fly,
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constructs either a raw or pseudo register from the raw
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register cache. */
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regcache_cooked_read (cache->regcache, regnum, bufferp);
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}
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}
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static void
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sentinel_frame_this_id (struct frame_info *next_frame,
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void **this_prologue_cache,
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struct frame_id *this_id)
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{
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/* The sentinel frame is used as a starting point for creating the
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previous (inner most) frame. That frame's THIS_ID method will be
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called to determine the inner most frame's ID. Not this one. */
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internal_error (__FILE__, __LINE__, _("sentinel_frame_this_id called"));
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}
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static CORE_ADDR
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sentinel_frame_prev_pc (struct frame_info *next_frame,
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void **this_prologue_cache)
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{
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struct gdbarch *gdbarch = get_frame_arch (next_frame);
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return gdbarch_unwind_pc (gdbarch, next_frame);
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}
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const struct frame_unwind sentinel_frame_unwinder =
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{
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SENTINEL_FRAME,
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sentinel_frame_this_id,
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sentinel_frame_prev_register,
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NULL, /* unwind_data */
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NULL, /* sniffer */
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sentinel_frame_prev_pc,
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};
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const struct frame_unwind *const sentinel_frame_unwind = &sentinel_frame_unwinder;
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