2002-06-21 21:19:58 +00:00
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/* Target-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
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2005-02-06 Andrew Cagney <cagney@gnu.org>
* value.c (value_contents, value_contents_writeable): New
functions.
* value.h (VALUE_CONTENTS): Delete macro.
(value_contents, value_contents_writeable): Declare.
* xstormy16-tdep.c, value.c, valops.c, valarith.c: Update.
* stack.c, sparc-tdep.c, sparc64-tdep.c, sh-tdep.c: Update.
* sh64-tdep.c, scm-valprint.c, scm-exp.c, s390-tdep.c: Update.
* rs6000-tdep.c, p-valprint.c, printcmd.c: Update.
* ppc-sysv-tdep.c, mips-tdep.c, mi/mi-main.c: Update.
* m88k-tdep.c, m68hc11-tdep.c, m32r-tdep.c: Update.
* jv-valprint.c, ia64-tdep.c, hppa-tdep.c: Update.
* hpacc-abi.c, f-valprint.c, frv-tdep.c, eval.c: Update.
* c-valprint.c, cris-tdep.c, cp-valprint.c: Update.
* cli/cli-dump.c, breakpoint.c, avr-tdep.c, arm-tdep.c: Update.
* arm-linux-tdep.c, amd64-tdep.c, alpha-tdep.c: Update.
* ada-valprint.c, ada-lang.c: Update.
2005-02-07 00:09:56 +00:00
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2007-01-09 17:59:20 +00:00
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Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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2002-06-21 21:19:58 +00:00
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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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2007-08-23 18:08:50 +00:00
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the Free Software Foundation; either version 3 of the License, or
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2002-06-21 21:19:58 +00:00
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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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2007-08-23 18:08:50 +00:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2002-06-21 21:19:58 +00:00
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#include "defs.h"
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2003-08-20 20:22:41 +00:00
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#include "gdb_string.h"
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2002-06-21 21:19:58 +00:00
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#include "inferior.h"
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#include "gdbcore.h"
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#include "arch-utils.h"
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#include "regcache.h"
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2003-08-20 20:22:41 +00:00
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#include "frame.h"
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2003-09-08 23:01:29 +00:00
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#include "frame-unwind.h"
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#include "frame-base.h"
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2003-08-20 20:22:41 +00:00
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#include "trad-frame.h"
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2003-09-10 07:32:47 +00:00
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#include "dis-asm.h"
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2003-11-01 01:42:48 +00:00
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#include "gdb_assert.h"
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#include "sim-regno.h"
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#include "gdb/sim-frv.h"
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#include "opcodes/frv-desc.h" /* for the H_SPR_... enums */
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2004-02-17 15:21:22 +00:00
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#include "symtab.h"
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2004-03-13 00:16:23 +00:00
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#include "elf-bfd.h"
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#include "elf/frv.h"
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#include "osabi.h"
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2004-06-07 02:02:55 +00:00
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#include "infcall.h"
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2004-03-13 00:16:23 +00:00
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#include "frv-tdep.h"
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2002-06-21 21:19:58 +00:00
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extern void _initialize_frv_tdep (void);
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2003-09-08 23:01:29 +00:00
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struct frv_unwind_cache /* was struct frame_extra_info */
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2002-06-21 21:19:58 +00:00
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{
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2003-09-08 23:01:29 +00:00
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/* The previous frame's inner-most stack address. Used as this
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frame ID's stack_addr. */
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CORE_ADDR prev_sp;
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2002-06-21 21:19:58 +00:00
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2003-09-08 23:01:29 +00:00
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/* The frame's base, optionally used by the high-level debug info. */
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CORE_ADDR base;
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2003-08-20 20:22:41 +00:00
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/* Table indicating the location of each and every register. */
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struct trad_frame_saved_reg *saved_regs;
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2002-06-21 21:19:58 +00:00
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};
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/* A structure describing a particular variant of the FRV.
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We allocate and initialize one of these structures when we create
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the gdbarch object for a variant.
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At the moment, all the FR variants we support differ only in which
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registers are present; the portable code of GDB knows that
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registers whose names are the empty string don't exist, so the
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`register_names' array captures all the per-variant information we
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need.
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in the future, if we need to have per-variant maps for raw size,
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virtual type, etc., we should replace register_names with an array
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of structures, each of which gives all the necessary info for one
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register. Don't stick parallel arrays in here --- that's so
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Fortran. */
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struct gdbarch_tdep
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{
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2004-03-13 00:16:23 +00:00
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/* Which ABI is in use? */
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enum frv_abi frv_abi;
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2002-06-21 21:19:58 +00:00
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/* How many general-purpose registers does this variant have? */
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int num_gprs;
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/* How many floating-point registers does this variant have? */
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int num_fprs;
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/* How many hardware watchpoints can it support? */
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int num_hw_watchpoints;
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/* How many hardware breakpoints can it support? */
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int num_hw_breakpoints;
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/* Register names. */
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char **register_names;
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};
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#define CURRENT_VARIANT (gdbarch_tdep (current_gdbarch))
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2004-03-13 00:16:23 +00:00
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/* Return the FR-V ABI associated with GDBARCH. */
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enum frv_abi
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frv_abi (struct gdbarch *gdbarch)
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{
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return gdbarch_tdep (gdbarch)->frv_abi;
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}
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/* Fetch the interpreter and executable loadmap addresses (for shared
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library support) for the FDPIC ABI. Return 0 if successful, -1 if
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not. (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.) */
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int
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frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch, CORE_ADDR *interp_addr,
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CORE_ADDR *exec_addr)
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{
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if (frv_abi (gdbarch) != FRV_ABI_FDPIC)
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return -1;
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else
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{
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2007-06-16 17:16:26 +00:00
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struct regcache *regcache = get_current_regcache ();
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2004-03-13 00:16:23 +00:00
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if (interp_addr != NULL)
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{
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ULONGEST val;
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2007-06-16 17:16:26 +00:00
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regcache_cooked_read_unsigned (regcache,
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2004-03-13 00:16:23 +00:00
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fdpic_loadmap_interp_regnum, &val);
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*interp_addr = val;
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}
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if (exec_addr != NULL)
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{
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ULONGEST val;
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2007-06-16 17:16:26 +00:00
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regcache_cooked_read_unsigned (regcache,
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2004-03-13 00:16:23 +00:00
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fdpic_loadmap_exec_regnum, &val);
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*exec_addr = val;
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}
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return 0;
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}
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}
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2002-06-21 21:19:58 +00:00
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/* Allocate a new variant structure, and set up default values for all
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the fields. */
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static struct gdbarch_tdep *
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2002-07-11 13:50:50 +00:00
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new_variant (void)
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2002-06-21 21:19:58 +00:00
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{
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struct gdbarch_tdep *var;
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int r;
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char buf[20];
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var = xmalloc (sizeof (*var));
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memset (var, 0, sizeof (*var));
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2004-03-13 00:16:23 +00:00
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var->frv_abi = FRV_ABI_EABI;
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2002-06-21 21:19:58 +00:00
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var->num_gprs = 64;
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var->num_fprs = 64;
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var->num_hw_watchpoints = 0;
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var->num_hw_breakpoints = 0;
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/* By default, don't supply any general-purpose or floating-point
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register names. */
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2003-11-07 05:54:51 +00:00
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var->register_names
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= (char **) xmalloc ((frv_num_regs + frv_num_pseudo_regs)
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* sizeof (char *));
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for (r = 0; r < frv_num_regs + frv_num_pseudo_regs; r++)
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2002-06-21 21:19:58 +00:00
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var->register_names[r] = "";
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2003-11-01 01:42:48 +00:00
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/* Do, however, supply default names for the known special-purpose
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2002-06-21 21:19:58 +00:00
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registers. */
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var->register_names[pc_regnum] = "pc";
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var->register_names[lr_regnum] = "lr";
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var->register_names[lcr_regnum] = "lcr";
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var->register_names[psr_regnum] = "psr";
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var->register_names[ccr_regnum] = "ccr";
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var->register_names[cccr_regnum] = "cccr";
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var->register_names[tbr_regnum] = "tbr";
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/* Debug registers. */
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var->register_names[brr_regnum] = "brr";
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var->register_names[dbar0_regnum] = "dbar0";
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var->register_names[dbar1_regnum] = "dbar1";
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var->register_names[dbar2_regnum] = "dbar2";
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var->register_names[dbar3_regnum] = "dbar3";
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2003-11-01 01:42:48 +00:00
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/* iacc0 (Only found on MB93405.) */
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var->register_names[iacc0h_regnum] = "iacc0h";
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var->register_names[iacc0l_regnum] = "iacc0l";
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2003-11-07 05:54:51 +00:00
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var->register_names[iacc0_regnum] = "iacc0";
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2003-11-01 01:42:48 +00:00
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* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
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/* fsr0 (Found on FR555 and FR501.) */
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var->register_names[fsr0_regnum] = "fsr0";
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/* acc0 - acc7. The architecture provides for the possibility of many
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more (up to 64 total), but we don't want to make that big of a hole
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in the G packet. If we need more in the future, we'll add them
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elsewhere. */
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for (r = acc0_regnum; r <= acc7_regnum; r++)
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{
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char *buf;
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2004-06-28 23:59:29 +00:00
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buf = xstrprintf ("acc%d", r - acc0_regnum);
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* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
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var->register_names[r] = buf;
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}
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/* accg0 - accg7: These are one byte registers. The remote protocol
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provides the raw values packed four into a slot. accg0123 and
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accg4567 correspond to accg0 - accg3 and accg4-accg7 respectively.
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We don't provide names for accg0123 and accg4567 since the user will
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likely not want to see these raw values. */
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for (r = accg0_regnum; r <= accg7_regnum; r++)
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{
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char *buf;
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2004-06-28 23:59:29 +00:00
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buf = xstrprintf ("accg%d", r - accg0_regnum);
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* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
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var->register_names[r] = buf;
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}
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/* msr0 and msr1. */
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var->register_names[msr0_regnum] = "msr0";
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var->register_names[msr1_regnum] = "msr1";
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/* gner and fner registers. */
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var->register_names[gner0_regnum] = "gner0";
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var->register_names[gner1_regnum] = "gner1";
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var->register_names[fner0_regnum] = "fner0";
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var->register_names[fner1_regnum] = "fner1";
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2002-06-21 21:19:58 +00:00
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return var;
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}
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/* Indicate that the variant VAR has NUM_GPRS general-purpose
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registers, and fill in the names array appropriately. */
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static void
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set_variant_num_gprs (struct gdbarch_tdep *var, int num_gprs)
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{
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int r;
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var->num_gprs = num_gprs;
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for (r = 0; r < num_gprs; ++r)
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{
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char buf[20];
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sprintf (buf, "gr%d", r);
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var->register_names[first_gpr_regnum + r] = xstrdup (buf);
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}
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}
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/* Indicate that the variant VAR has NUM_FPRS floating-point
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registers, and fill in the names array appropriately. */
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static void
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set_variant_num_fprs (struct gdbarch_tdep *var, int num_fprs)
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{
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int r;
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var->num_fprs = num_fprs;
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for (r = 0; r < num_fprs; ++r)
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{
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char buf[20];
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sprintf (buf, "fr%d", r);
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var->register_names[first_fpr_regnum + r] = xstrdup (buf);
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}
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}
|
|
|
|
|
2004-03-13 00:16:23 +00:00
|
|
|
static void
|
|
|
|
set_variant_abi_fdpic (struct gdbarch_tdep *var)
|
|
|
|
{
|
|
|
|
var->frv_abi = FRV_ABI_FDPIC;
|
|
|
|
var->register_names[fdpic_loadmap_exec_regnum] = xstrdup ("loadmap_exec");
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|
var->register_names[fdpic_loadmap_interp_regnum] = xstrdup ("loadmap_interp");
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}
|
2002-06-21 21:19:58 +00:00
|
|
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|
2004-03-13 01:24:20 +00:00
|
|
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static void
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|
|
set_variant_scratch_registers (struct gdbarch_tdep *var)
|
|
|
|
{
|
|
|
|
var->register_names[scr0_regnum] = xstrdup ("scr0");
|
|
|
|
var->register_names[scr1_regnum] = xstrdup ("scr1");
|
|
|
|
var->register_names[scr2_regnum] = xstrdup ("scr2");
|
|
|
|
var->register_names[scr3_regnum] = xstrdup ("scr3");
|
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
static const char *
|
|
|
|
frv_register_name (int reg)
|
|
|
|
{
|
|
|
|
if (reg < 0)
|
|
|
|
return "?toosmall?";
|
2003-11-07 05:54:51 +00:00
|
|
|
if (reg >= frv_num_regs + frv_num_pseudo_regs)
|
2002-06-21 21:19:58 +00:00
|
|
|
return "?toolarge?";
|
|
|
|
|
|
|
|
return CURRENT_VARIANT->register_names[reg];
|
|
|
|
}
|
|
|
|
|
2003-11-01 01:42:48 +00:00
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
static struct type *
|
2003-10-27 06:26:12 +00:00
|
|
|
frv_register_type (struct gdbarch *gdbarch, int reg)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-11-01 01:42:48 +00:00
|
|
|
if (reg >= first_fpr_regnum && reg <= last_fpr_regnum)
|
2002-06-21 21:19:58 +00:00
|
|
|
return builtin_type_float;
|
2003-11-07 05:54:51 +00:00
|
|
|
else if (reg == iacc0_regnum)
|
|
|
|
return builtin_type_int64;
|
2002-06-21 21:19:58 +00:00
|
|
|
else
|
2003-11-01 01:42:48 +00:00
|
|
|
return builtin_type_int32;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2003-11-07 05:54:51 +00:00
|
|
|
static void
|
|
|
|
frv_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
|
2005-11-08 01:01:34 +00:00
|
|
|
int reg, gdb_byte *buffer)
|
2003-11-07 05:54:51 +00:00
|
|
|
{
|
|
|
|
if (reg == iacc0_regnum)
|
|
|
|
{
|
|
|
|
regcache_raw_read (regcache, iacc0h_regnum, buffer);
|
|
|
|
regcache_raw_read (regcache, iacc0l_regnum, (bfd_byte *) buffer + 4);
|
|
|
|
}
|
* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
|
|
|
else if (accg0_regnum <= reg && reg <= accg7_regnum)
|
|
|
|
{
|
|
|
|
/* The accg raw registers have four values in each slot with the
|
|
|
|
lowest register number occupying the first byte. */
|
|
|
|
|
|
|
|
int raw_regnum = accg0123_regnum + (reg - accg0_regnum) / 4;
|
|
|
|
int byte_num = (reg - accg0_regnum) % 4;
|
|
|
|
bfd_byte buf[4];
|
|
|
|
|
|
|
|
regcache_raw_read (regcache, raw_regnum, buf);
|
|
|
|
memset (buffer, 0, 4);
|
|
|
|
/* FR-V is big endian, so put the requested byte in the first byte
|
|
|
|
of the buffer allocated to hold the pseudo-register. */
|
|
|
|
((bfd_byte *) buffer)[0] = buf[byte_num];
|
|
|
|
}
|
2003-11-07 05:54:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
frv_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
|
2005-11-08 01:01:34 +00:00
|
|
|
int reg, const gdb_byte *buffer)
|
2003-11-07 05:54:51 +00:00
|
|
|
{
|
|
|
|
if (reg == iacc0_regnum)
|
|
|
|
{
|
|
|
|
regcache_raw_write (regcache, iacc0h_regnum, buffer);
|
|
|
|
regcache_raw_write (regcache, iacc0l_regnum, (bfd_byte *) buffer + 4);
|
|
|
|
}
|
* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
|
|
|
else if (accg0_regnum <= reg && reg <= accg7_regnum)
|
|
|
|
{
|
|
|
|
/* The accg raw registers have four values in each slot with the
|
|
|
|
lowest register number occupying the first byte. */
|
|
|
|
|
|
|
|
int raw_regnum = accg0123_regnum + (reg - accg0_regnum) / 4;
|
|
|
|
int byte_num = (reg - accg0_regnum) % 4;
|
|
|
|
char buf[4];
|
|
|
|
|
|
|
|
regcache_raw_read (regcache, raw_regnum, buf);
|
|
|
|
buf[byte_num] = ((bfd_byte *) buffer)[0];
|
|
|
|
regcache_raw_write (regcache, raw_regnum, buf);
|
|
|
|
}
|
2003-11-07 05:54:51 +00:00
|
|
|
}
|
|
|
|
|
2003-11-01 01:42:48 +00:00
|
|
|
static int
|
|
|
|
frv_register_sim_regno (int reg)
|
|
|
|
{
|
|
|
|
static const int spr_map[] =
|
|
|
|
{
|
|
|
|
H_SPR_PSR, /* psr_regnum */
|
|
|
|
H_SPR_CCR, /* ccr_regnum */
|
|
|
|
H_SPR_CCCR, /* cccr_regnum */
|
* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
|
|
|
-1, /* fdpic_loadmap_exec_regnum */
|
|
|
|
-1, /* fdpic_loadmap_interp_regnum */
|
2003-11-01 01:42:48 +00:00
|
|
|
-1, /* 134 */
|
|
|
|
H_SPR_TBR, /* tbr_regnum */
|
|
|
|
H_SPR_BRR, /* brr_regnum */
|
|
|
|
H_SPR_DBAR0, /* dbar0_regnum */
|
|
|
|
H_SPR_DBAR1, /* dbar1_regnum */
|
|
|
|
H_SPR_DBAR2, /* dbar2_regnum */
|
|
|
|
H_SPR_DBAR3, /* dbar3_regnum */
|
* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
|
|
|
H_SPR_SCR0, /* scr0_regnum */
|
|
|
|
H_SPR_SCR1, /* scr1_regnum */
|
|
|
|
H_SPR_SCR2, /* scr2_regnum */
|
|
|
|
H_SPR_SCR3, /* scr3_regnum */
|
2003-11-01 01:42:48 +00:00
|
|
|
H_SPR_LR, /* lr_regnum */
|
|
|
|
H_SPR_LCR, /* lcr_regnum */
|
|
|
|
H_SPR_IACC0H, /* iacc0h_regnum */
|
* frv-tdep.h (fsr0_regnum, acc0_regnum, acc7_regnum, accg0123_regnum)
(accg4567_regnum, msr0_regnum, msr1_regnum, gner0_regnum)
(gner1_regnum, fner0_regnum, fner1_regnum, accg0_regnum)
(accg7_regnum): New constants.
(last_spr_regnum, last_pseudo_regnum): Update.
* frv-tdep.c (new_variant): Initialize names for fsr0, acc0-acc7,
accg0-accg7, msr0, msr1, gner0, gner1, fner0, and fner1.
(frv_pseudo_register_read, frv_pseudo_register_write): Add support
for accg registers.
(frv_register_sim_regno): Update spr_map[].
2004-04-06 00:13:01 +00:00
|
|
|
H_SPR_IACC0L, /* iacc0l_regnum */
|
|
|
|
H_SPR_FSR0, /* fsr0_regnum */
|
|
|
|
/* FIXME: Add infrastructure for fetching/setting ACC and ACCG regs. */
|
|
|
|
-1, /* acc0_regnum */
|
|
|
|
-1, /* acc1_regnum */
|
|
|
|
-1, /* acc2_regnum */
|
|
|
|
-1, /* acc3_regnum */
|
|
|
|
-1, /* acc4_regnum */
|
|
|
|
-1, /* acc5_regnum */
|
|
|
|
-1, /* acc6_regnum */
|
|
|
|
-1, /* acc7_regnum */
|
|
|
|
-1, /* acc0123_regnum */
|
|
|
|
-1, /* acc4567_regnum */
|
|
|
|
H_SPR_MSR0, /* msr0_regnum */
|
|
|
|
H_SPR_MSR1, /* msr1_regnum */
|
|
|
|
H_SPR_GNER0, /* gner0_regnum */
|
|
|
|
H_SPR_GNER1, /* gner1_regnum */
|
|
|
|
H_SPR_FNER0, /* fner0_regnum */
|
|
|
|
H_SPR_FNER1, /* fner1_regnum */
|
2003-11-01 01:42:48 +00:00
|
|
|
};
|
|
|
|
|
2007-05-31 Markus Deuling <deuling@de.ibm.com>
* gdbarch.sh (NUM_REGS): Replace by gdbarch_num_regs.
* i386-tdep.c (i386_dbx_reg_to_regnum)
(i386_svr4_reg_to_regnum): Likewise.
* inf-ptrace.c (inf_ptrace_fetch_registers)
(inf_ptrace_store_registers): Likewise.
* corelow.c (get_core_registers): Likewise.
* i386-linux-nat.c (supply_gregset, fill_gregset)
(i386_linux_fetch_inferior_registers)
(i386_linux_store_inferior_registers): Likewise.
* remote.c (init_remote_state,packet_reg_from_regnum)
(packet_reg_from_pnum,process_g_packet,remote_fetch_registers)
(remote_prepare_to_store,store_registers_using_G)
(remote_store_registers,remote_arch_state): Likewise.
* tracepoint.c (encode_actions): Likewise.
* mi/mi-main.c (mi_cmd_data_list_register_names)
(mi_cmd_data_list_changed_registers,mi_cmd_data_list_register_values)
(mi_cmd_data_write_register_values): Likewise.
* tui/tui-regs.c (tui_show_register_group)
(tui_show_register_group): Likewise.
* xtensa-tdep.h (FP_ALIAS): Likewise.
* xtensa-tdep.c (xtensa_register_name,xtensa_register_type)
(xtensa_reg_to_regnum,xtensa_pseudo_register_read)
(xtensa_pseudo_register_write,xtensa_register_reggroup_p): Likewise.
* win32-nat.c (do_win32_fetch_inferior_registers)
(do_win32_store_inferior_registers,fetch_elf_core_registers
* user-regs.h: Likewise (comment).
* user-regs.c (user_reg, user_reg_map_name_to_regnum): Likewise.
* trad-frame.c (trad_frame_alloc_saved_regs): Likewise.
* target-descriptions.h: Likewise (comment).
* target-descriptions.c (tdesc_use_registers): Likewise (comment).
* target.c (debug_print_register): Likewise.
* stack.c (frame_info): Likewise.
* stabsread.c (define_symbol): Likewise.
* sh64-tdep.c (sh64_do_pseudo_register,sh64_print_register)
(sh64_media_print_registers_info)
(sh64_compact_print_registers_info): Likewise.
* rs6000-tdep.c (rs6000_register_sim_regno): Likewise.
* rs6000-nat.c (fetch_register,store_register): Likewise.
* remote-sim.c (one2one_register_sim_regno,gdbsim_fetch_register)
(gdbsim_fetch_register,gdbsim_store_register): Likewise.
* remote-mips.c (mips_fetch_registers,mips_store_registers): Likewise.
* remote-m32r-sdi.c (m32r_fetch_registers)
(m32r_store_registers): Likewise.
* reggroups.c (default_register_reggroup_p): Likewise.
* regcache.c (init_regcache_descr,register_size,regcache,regcache_save)
(regcache_restore,regcache_dump): Likewise.
* monitor.c (monitor_fetch_registers,monitor_store_registers): Likewise.
* mips-tdep.c (mips_xfer_register,mips_register_name)
(mips_register_reggroup_p,mips_pseudo_register_read)
(mips_pseudo_register_write,mips_convert_register_p,mips_register_type)
(mips_unwind_pc,mips_unwind_sp,mips_unwind_dummy_id,set_reg_offset)
(mips16_scan_prologue,mips_insn16_frame_cache,reset_saved_regs)
(mips32_scan_prologue,mips_insn32_frame_cache,read_next_frame_reg)
(mips_n32n64_return_value,mips_o32_return_value,mips_o64_return_value)
(print_gp_register_row,mips_print_registers_info)
(mips_stab_reg_to_regnum,mips_dwarf_dwarf2_ecoff_reg_to_regnum)
(mips_register_sim_regno): Likewise.
* mips-linux-tdep.c (mips_linux_o32_sigframe_init)
(mips_linux_n32n64_sigframe_init): Likewise.
* mips-linux-nat.c (mips_linux_register_addr)
(mips64_linux_register_addr): Likewise.
* findvar.c (value_of_register): Likewise.
* infcmd.c (default_print_registers_info,registers_info)
(print_vector_info,print_float_info): Likewise.
* mips64obsd-tdep.c (mips64obsd_sigframe_init): Likewise.
* inf-child.c (inf_child_fetch_inferior_registers): Likewise.
* m68k-tdep.c (m68k_dwarf_reg_to_regnum): Likewise.
* m68hc11-tdep.c (m68hc11_frame_unwind_cache(: Likewise.
* m32r-tdep.c (m32r_frame_unwind_cache): Likewise.
* ia64-linux-nat.c (ia64_register_addr,ia64_cannot_fetch_register)
(ia64_cannot_store_register,ia64_linux_fetch_registers)
(ia64_linux_store_registers): Likewise.
* hpux-thread.c (hpux_thread_fetch_registers)
(hpux_thread_store_registers): Likewise.
* h8300-tdep.c (E_PSEUDO_CCR_REGNUM,E_PSEUDO_EXR_REGNUM)
(h8300_init_frame_cache,h8300_frame_cache,h8300_frame_prev_register)
(h8300_register_type): Likewise.
* dwarf2-frame.c (dwarf2_frame_cache)
(dwarf2_frame_state_alloc_regs): Likewise.
* cris-tdep.c (cris_register_size,cris_cannot_fetch_register)
(cris_cannot_store_register,crisv32_cannot_fetch_register)
(crisv32_cannot_store_register,cris_register_name): Likewise.
* avr-tdep.c (avr_frame_unwind_cache): Likewise.
* arch-utils.c (legacy_register_sim_regno)
(legacy_virtual_frame_pointer): Likewise.
* arm-tdep.c (arm_make_prologue_cache,arm_register_sim_regno):Likewise.
* arm-tdep.h: Likewise (comment).
* frv-tdep.c (frv_register_sim_regno): Likewise.
* m68klinux-nat.c (old_fetch_inferior_registers)
(old_store_inferior_registers): Likewise.
* m32c-tdep.c (m32c_virtual_frame_pointer): Likewise.
* irix5-nat.c (fetch_core_registers): Likewise.
* hppa-tdep.c (hppa_frame_cache): Likewise.
* hppa-linux-nat.c (hppa_linux_register_addr)
(hppa_linux_fetch_inferior_registers)
(hppa_linux_store_inferior_registers): Likewise.
* hppa-hpux-nat.c (hppa_hpux_fetch_inferior_registers)
(hppa_hpux_store_inferior_registers): Likewise.
* amd64-nat.c (amd64_native_gregset_reg_offset)
(amd64_supply_native_gregset,amd64_collect_native_gregset): Likewise.
* dbug-rom.c (dbug_regname): Likewise.
* m68hc11-tdep.c (m68hc11_frame_unwind_cache)
(HARD_PAGE_REGNUM (comment)): Likewise.
* gdbarch.sh (NUM_PSEUDO_REGS): Replace by gdbarch_num_pseudo_regs.
* i386-tdep.c (i386_dbx_reg_to_regnum)
(i386_svr4_reg_to_regnum): Likewise.
* mi/mi-main.c (mi_cmd_data_list_register_names)
(mi_cmd_data_list_changed_registers,mi_cmd_data_list_register_values)
(mi_cmd_data_write_register_values): Likewise.
* gdbarch.c, gdbarch.h: Regenerate.
* tui/tui-regs.c (tui_show_register_group): Likewise.
* xtensa-tdep.h (FP_ALIAS): Likewise.
* user-regs.h: Likewise (comment).
* user-regs.c (user_reg, user_reg_map_name_to_regnum): Likewise.
* trad-frame.c (trad_frame_alloc_saved_regs): Likewise.
* target-descriptions.h: Likewise (comment).
* target.c (debug_print_register): Likewise.
* stack.c (frame_info): Likewise.
* stabsread.c (define_symbol): Likewise.
* sh64-tdep.c (sh64_print_register,sh64_media_print_registers_info)
(sh64_compact_print_registers_info): Likewise.
* rs6000-tdep.c (rs6000_register_sim_regno): Likewise.
* regcache.c (init_regcache_descr,register_size,regcache,regcache_save
(regcache_restore,regcache_dump): Likewise.
* mips-tdep.c (print_gp_register_row,mips_print_registers_info)
(mips_dwarf_dwarf2_ecoff_reg_to_regnum)
(mips_stab_reg_to_regnum): Likewise.
* findvar.c (value_of_register): Likewise.
* infcmd.c (default_print_registers_info,registers_info)
(print_vector_info,print_float_info): Likewise.
* m68k-tdep.c (m68k_dwarf_reg_to_regnum): Likewise.
* h8300-tdep.c (h8300_register_type): Likewise.
* dwarf2-frame.c (dwarf2_frame_cache): Likewise.
* frame.h (SIZEOF_FRAME_SAVED_REGS): Likewise.
* xtensa-tdep.c (xtensa_register_type,xtensa_reg_to_regnum)
(xtensa_pseudo_register_read,xtensa_pseudo_register_write): Likewise.
* parse.c: Remove comment.
* gdbarch.c, gdbarch.h: Regenerate
2007-05-31 17:32:22 +00:00
|
|
|
gdb_assert (reg >= 0 && reg < gdbarch_num_regs (current_gdbarch));
|
2003-11-01 01:42:48 +00:00
|
|
|
|
|
|
|
if (first_gpr_regnum <= reg && reg <= last_gpr_regnum)
|
|
|
|
return reg - first_gpr_regnum + SIM_FRV_GR0_REGNUM;
|
|
|
|
else if (first_fpr_regnum <= reg && reg <= last_fpr_regnum)
|
|
|
|
return reg - first_fpr_regnum + SIM_FRV_FR0_REGNUM;
|
|
|
|
else if (pc_regnum == reg)
|
|
|
|
return SIM_FRV_PC_REGNUM;
|
|
|
|
else if (reg >= first_spr_regnum
|
|
|
|
&& reg < first_spr_regnum + sizeof (spr_map) / sizeof (spr_map[0]))
|
|
|
|
{
|
|
|
|
int spr_reg_offset = spr_map[reg - first_spr_regnum];
|
|
|
|
|
|
|
|
if (spr_reg_offset < 0)
|
|
|
|
return SIM_REGNO_DOES_NOT_EXIST;
|
|
|
|
else
|
|
|
|
return SIM_FRV_SPR0_REGNUM + spr_reg_offset;
|
|
|
|
}
|
|
|
|
|
2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 18:13:55 +00:00
|
|
|
internal_error (__FILE__, __LINE__, _("Bad register number %d"), reg);
|
2003-11-01 01:42:48 +00:00
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
static const unsigned char *
|
|
|
|
frv_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenp)
|
|
|
|
{
|
|
|
|
static unsigned char breakpoint[] = {0xc0, 0x70, 0x00, 0x01};
|
|
|
|
*lenp = sizeof (breakpoint);
|
|
|
|
return breakpoint;
|
|
|
|
}
|
|
|
|
|
2003-10-14 00:30:27 +00:00
|
|
|
/* Define the maximum number of instructions which may be packed into a
|
|
|
|
bundle (VLIW instruction). */
|
|
|
|
static const int max_instrs_per_bundle = 8;
|
|
|
|
|
|
|
|
/* Define the size (in bytes) of an FR-V instruction. */
|
|
|
|
static const int frv_instr_size = 4;
|
|
|
|
|
|
|
|
/* Adjust a breakpoint's address to account for the FR-V architecture's
|
|
|
|
constraint that a break instruction must not appear as any but the
|
|
|
|
first instruction in the bundle. */
|
|
|
|
static CORE_ADDR
|
2007-01-14 14:35:52 +00:00
|
|
|
frv_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr)
|
2003-10-14 00:30:27 +00:00
|
|
|
{
|
|
|
|
int count = max_instrs_per_bundle;
|
|
|
|
CORE_ADDR addr = bpaddr - frv_instr_size;
|
|
|
|
CORE_ADDR func_start = get_pc_function_start (bpaddr);
|
|
|
|
|
|
|
|
/* Find the end of the previous packing sequence. This will be indicated
|
|
|
|
by either attempting to access some inaccessible memory or by finding
|
|
|
|
an instruction word whose packing bit is set to one. */
|
|
|
|
while (count-- > 0 && addr >= func_start)
|
|
|
|
{
|
|
|
|
char instr[frv_instr_size];
|
|
|
|
int status;
|
|
|
|
|
2006-08-08 21:32:48 +00:00
|
|
|
status = read_memory_nobpt (addr, instr, sizeof instr);
|
2003-10-14 00:30:27 +00:00
|
|
|
|
|
|
|
if (status != 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* This is a big endian architecture, so byte zero will have most
|
|
|
|
significant byte. The most significant bit of this byte is the
|
|
|
|
packing bit. */
|
|
|
|
if (instr[0] & 0x80)
|
|
|
|
break;
|
|
|
|
|
|
|
|
addr -= frv_instr_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (count > 0)
|
|
|
|
bpaddr = addr + frv_instr_size;
|
|
|
|
|
|
|
|
return bpaddr;
|
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* Return true if REG is a caller-saves ("scratch") register,
|
|
|
|
false otherwise. */
|
|
|
|
static int
|
|
|
|
is_caller_saves_reg (int reg)
|
|
|
|
{
|
|
|
|
return ((4 <= reg && reg <= 7)
|
|
|
|
|| (14 <= reg && reg <= 15)
|
|
|
|
|| (32 <= reg && reg <= 47));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Return true if REG is a callee-saves register, false otherwise. */
|
|
|
|
static int
|
|
|
|
is_callee_saves_reg (int reg)
|
|
|
|
{
|
|
|
|
return ((16 <= reg && reg <= 31)
|
|
|
|
|| (48 <= reg && reg <= 63));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Return true if REG is an argument register, false otherwise. */
|
|
|
|
static int
|
|
|
|
is_argument_reg (int reg)
|
|
|
|
{
|
|
|
|
return (8 <= reg && reg <= 13);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Scan an FR-V prologue, starting at PC, until frame->PC.
|
|
|
|
If FRAME is non-zero, fill in its saved_regs with appropriate addresses.
|
|
|
|
We assume FRAME's saved_regs array has already been allocated and cleared.
|
|
|
|
Return the first PC value after the prologue.
|
|
|
|
|
|
|
|
Note that, for unoptimized code, we almost don't need this function
|
|
|
|
at all; all arguments and locals live on the stack, so we just need
|
|
|
|
the FP to find everything. The catch: structures passed by value
|
|
|
|
have their addresses living in registers; they're never spilled to
|
|
|
|
the stack. So if you ever want to be able to get to these
|
|
|
|
arguments in any frame but the top, you'll need to do this serious
|
|
|
|
prologue analysis. */
|
|
|
|
static CORE_ADDR
|
2003-09-08 23:01:29 +00:00
|
|
|
frv_analyze_prologue (CORE_ADDR pc, struct frame_info *next_frame,
|
|
|
|
struct frv_unwind_cache *info)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
|
|
|
/* When writing out instruction bitpatterns, we use the following
|
|
|
|
letters to label instruction fields:
|
|
|
|
P - The parallel bit. We don't use this.
|
|
|
|
J - The register number of GRj in the instruction description.
|
|
|
|
K - The register number of GRk in the instruction description.
|
|
|
|
I - The register number of GRi.
|
|
|
|
S - a signed imediate offset.
|
|
|
|
U - an unsigned immediate offset.
|
|
|
|
|
|
|
|
The dots below the numbers indicate where hex digit boundaries
|
|
|
|
fall, to make it easier to check the numbers. */
|
|
|
|
|
|
|
|
/* Non-zero iff we've seen the instruction that initializes the
|
|
|
|
frame pointer for this function's frame. */
|
|
|
|
int fp_set = 0;
|
|
|
|
|
|
|
|
/* If fp_set is non_zero, then this is the distance from
|
|
|
|
the stack pointer to frame pointer: fp = sp + fp_offset. */
|
|
|
|
int fp_offset = 0;
|
|
|
|
|
|
|
|
/* Total size of frame prior to any alloca operations. */
|
|
|
|
int framesize = 0;
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Flag indicating if lr has been saved on the stack. */
|
|
|
|
int lr_saved_on_stack = 0;
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
/* The number of the general-purpose register we saved the return
|
|
|
|
address ("link register") in, or -1 if we haven't moved it yet. */
|
|
|
|
int lr_save_reg = -1;
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Offset (from sp) at which lr has been saved on the stack. */
|
|
|
|
|
|
|
|
int lr_sp_offset = 0;
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* If gr_saved[i] is non-zero, then we've noticed that general
|
|
|
|
register i has been saved at gr_sp_offset[i] from the stack
|
|
|
|
pointer. */
|
|
|
|
char gr_saved[64];
|
|
|
|
int gr_sp_offset[64];
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
/* The address of the most recently scanned prologue instruction. */
|
|
|
|
CORE_ADDR last_prologue_pc;
|
|
|
|
|
|
|
|
/* The address of the next instruction. */
|
|
|
|
CORE_ADDR next_pc;
|
|
|
|
|
|
|
|
/* The upper bound to of the pc values to scan. */
|
|
|
|
CORE_ADDR lim_pc;
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
memset (gr_saved, 0, sizeof (gr_saved));
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = pc;
|
|
|
|
|
|
|
|
/* Try to compute an upper limit (on how far to scan) based on the
|
|
|
|
line number info. */
|
|
|
|
lim_pc = skip_prologue_using_sal (pc);
|
|
|
|
/* If there's no line number info, lim_pc will be 0. In that case,
|
|
|
|
set the limit to be 100 instructions away from pc. Hopefully, this
|
|
|
|
will be far enough away to account for the entire prologue. Don't
|
|
|
|
worry about overshooting the end of the function. The scan loop
|
|
|
|
below contains some checks to avoid scanning unreasonably far. */
|
|
|
|
if (lim_pc == 0)
|
|
|
|
lim_pc = pc + 400;
|
|
|
|
|
|
|
|
/* If we have a frame, we don't want to scan past the frame's pc. This
|
|
|
|
will catch those cases where the pc is in the prologue. */
|
|
|
|
if (next_frame)
|
|
|
|
{
|
|
|
|
CORE_ADDR frame_pc = frame_pc_unwind (next_frame);
|
|
|
|
if (frame_pc < lim_pc)
|
|
|
|
lim_pc = frame_pc;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Scan the prologue. */
|
|
|
|
while (pc < lim_pc)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2004-03-15 18:49:02 +00:00
|
|
|
char buf[frv_instr_size];
|
|
|
|
LONGEST op;
|
|
|
|
|
|
|
|
if (target_read_memory (pc, buf, sizeof buf) != 0)
|
|
|
|
break;
|
|
|
|
op = extract_signed_integer (buf, sizeof buf);
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
next_pc = pc + 4;
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* The tests in this chain of ifs should be in order of
|
|
|
|
decreasing selectivity, so that more particular patterns get
|
|
|
|
to fire before less particular patterns. */
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
/* Some sort of control transfer instruction: stop scanning prologue.
|
|
|
|
Integer Conditional Branch:
|
|
|
|
X XXXX XX 0000110 XX XXXXXXXXXXXXXXXX
|
|
|
|
Floating-point / media Conditional Branch:
|
|
|
|
X XXXX XX 0000111 XX XXXXXXXXXXXXXXXX
|
|
|
|
LCR Conditional Branch to LR
|
|
|
|
X XXXX XX 0001110 XX XX 001 X XXXXXXXXXX
|
|
|
|
Integer conditional Branches to LR
|
|
|
|
X XXXX XX 0001110 XX XX 010 X XXXXXXXXXX
|
|
|
|
X XXXX XX 0001110 XX XX 011 X XXXXXXXXXX
|
|
|
|
Floating-point/Media Branches to LR
|
|
|
|
X XXXX XX 0001110 XX XX 110 X XXXXXXXXXX
|
|
|
|
X XXXX XX 0001110 XX XX 111 X XXXXXXXXXX
|
|
|
|
Jump and Link
|
|
|
|
X XXXXX X 0001100 XXXXXX XXXXXX XXXXXX
|
|
|
|
X XXXXX X 0001101 XXXXXX XXXXXX XXXXXX
|
|
|
|
Call
|
|
|
|
X XXXXXX 0001111 XXXXXXXXXXXXXXXXXX
|
|
|
|
Return from Trap
|
|
|
|
X XXXXX X 0000101 XXXXXX XXXXXX XXXXXX
|
|
|
|
Integer Conditional Trap
|
|
|
|
X XXXX XX 0000100 XXXXXX XXXX 00 XXXXXX
|
|
|
|
X XXXX XX 0011100 XXXXXX XXXXXXXXXXXX
|
|
|
|
Floating-point /media Conditional Trap
|
|
|
|
X XXXX XX 0000100 XXXXXX XXXX 01 XXXXXX
|
|
|
|
X XXXX XX 0011101 XXXXXX XXXXXXXXXXXX
|
|
|
|
Break
|
|
|
|
X XXXX XX 0000100 XXXXXX XXXX 11 XXXXXX
|
|
|
|
Media Trap
|
|
|
|
X XXXX XX 0000100 XXXXXX XXXX 10 XXXXXX */
|
|
|
|
if ((op & 0x01d80000) == 0x00180000 /* Conditional branches and Call */
|
|
|
|
|| (op & 0x01f80000) == 0x00300000 /* Jump and Link */
|
|
|
|
|| (op & 0x01f80000) == 0x00100000 /* Return from Trap, Trap */
|
|
|
|
|| (op & 0x01f80000) == 0x00700000) /* Trap immediate */
|
|
|
|
{
|
|
|
|
/* Stop scanning; not in prologue any longer. */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Loading something from memory into fp probably means that
|
|
|
|
we're in the epilogue. Stop scanning the prologue.
|
|
|
|
ld @(GRi, GRk), fp
|
|
|
|
X 000010 0000010 XXXXXX 000100 XXXXXX
|
|
|
|
ldi @(GRi, d12), fp
|
|
|
|
X 000010 0110010 XXXXXX XXXXXXXXXXXX */
|
|
|
|
else if ((op & 0x7ffc0fc0) == 0x04080100
|
|
|
|
|| (op & 0x7ffc0000) == 0x04c80000)
|
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
/* Setting the FP from the SP:
|
|
|
|
ori sp, 0, fp
|
|
|
|
P 000010 0100010 000001 000000000000 = 0x04881000
|
|
|
|
0 111111 1111111 111111 111111111111 = 0x7fffffff
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue. */
|
2003-12-19 00:34:26 +00:00
|
|
|
else if ((op & 0x7fffffff) == 0x04881000)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
|
|
|
fp_set = 1;
|
|
|
|
fp_offset = 0;
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Move the link register to the scratch register grJ, before saving:
|
|
|
|
movsg lr, grJ
|
|
|
|
P 000100 0000011 010000 000111 JJJJJJ = 0x080d01c0
|
|
|
|
0 111111 1111111 111111 111111 000000 = 0x7fffffc0
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue. */
|
|
|
|
else if ((op & 0x7fffffc0) == 0x080d01c0)
|
|
|
|
{
|
|
|
|
int gr_j = op & 0x3f;
|
|
|
|
|
|
|
|
/* If we're moving it to a scratch register, that's fine. */
|
|
|
|
if (is_caller_saves_reg (gr_j))
|
2003-12-19 00:34:26 +00:00
|
|
|
{
|
|
|
|
lr_save_reg = gr_j;
|
|
|
|
last_prologue_pc = next_pc;
|
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* To save multiple callee-saves registers on the stack, at
|
|
|
|
offset zero:
|
|
|
|
|
|
|
|
std grK,@(sp,gr0)
|
|
|
|
P KKKKKK 0000011 000001 000011 000000 = 0x000c10c0
|
|
|
|
0 000000 1111111 111111 111111 111111 = 0x01ffffff
|
|
|
|
|
|
|
|
stq grK,@(sp,gr0)
|
|
|
|
P KKKKKK 0000011 000001 000100 000000 = 0x000c1100
|
|
|
|
0 000000 1111111 111111 111111 111111 = 0x01ffffff
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue, and record the register's
|
|
|
|
saved address in the frame structure. */
|
|
|
|
else if ((op & 0x01ffffff) == 0x000c10c0
|
|
|
|
|| (op & 0x01ffffff) == 0x000c1100)
|
|
|
|
{
|
|
|
|
int gr_k = ((op >> 25) & 0x3f);
|
|
|
|
int ope = ((op >> 6) & 0x3f);
|
|
|
|
int count;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* Is it an std or an stq? */
|
|
|
|
if (ope == 0x03)
|
|
|
|
count = 2;
|
|
|
|
else
|
|
|
|
count = 4;
|
|
|
|
|
|
|
|
/* Is it really a callee-saves register? */
|
|
|
|
if (is_callee_saves_reg (gr_k))
|
|
|
|
{
|
|
|
|
for (i = 0; i < count; i++)
|
|
|
|
{
|
|
|
|
gr_saved[gr_k + i] = 1;
|
|
|
|
gr_sp_offset[gr_k + i] = 4 * i;
|
|
|
|
}
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Adjusting the stack pointer. (The stack pointer is GR1.)
|
|
|
|
addi sp, S, sp
|
|
|
|
P 000001 0010000 000001 SSSSSSSSSSSS = 0x02401000
|
|
|
|
0 111111 1111111 111111 000000000000 = 0x7ffff000
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue. */
|
|
|
|
else if ((op & 0x7ffff000) == 0x02401000)
|
|
|
|
{
|
2003-12-19 00:34:26 +00:00
|
|
|
if (framesize == 0)
|
|
|
|
{
|
|
|
|
/* Sign-extend the twelve-bit field.
|
|
|
|
(Isn't there a better way to do this?) */
|
|
|
|
int s = (((op & 0xfff) - 0x800) & 0xfff) - 0x800;
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
framesize -= s;
|
|
|
|
last_prologue_pc = pc;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* If the prologue is being adjusted again, we've
|
|
|
|
likely gone too far; i.e. we're probably in the
|
|
|
|
epilogue. */
|
|
|
|
break;
|
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Setting the FP to a constant distance from the SP:
|
|
|
|
addi sp, S, fp
|
|
|
|
P 000010 0010000 000001 SSSSSSSSSSSS = 0x04401000
|
|
|
|
0 111111 1111111 111111 000000000000 = 0x7ffff000
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue. */
|
|
|
|
else if ((op & 0x7ffff000) == 0x04401000)
|
|
|
|
{
|
|
|
|
/* Sign-extend the twelve-bit field.
|
|
|
|
(Isn't there a better way to do this?) */
|
|
|
|
int s = (((op & 0xfff) - 0x800) & 0xfff) - 0x800;
|
|
|
|
fp_set = 1;
|
|
|
|
fp_offset = s;
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* To spill an argument register to a scratch register:
|
|
|
|
ori GRi, 0, GRk
|
|
|
|
P KKKKKK 0100010 IIIIII 000000000000 = 0x00880000
|
|
|
|
0 000000 1111111 000000 111111111111 = 0x01fc0fff
|
|
|
|
. . . . . . . .
|
|
|
|
For the time being, we treat this as a prologue instruction,
|
|
|
|
assuming that GRi is an argument register. This one's kind
|
|
|
|
of suspicious, because it seems like it could be part of a
|
|
|
|
legitimate body instruction. But we only come here when the
|
|
|
|
source info wasn't helpful, so we have to do the best we can.
|
|
|
|
Hopefully once GCC and GDB agree on how to emit line number
|
|
|
|
info for prologues, then this code will never come into play. */
|
|
|
|
else if ((op & 0x01fc0fff) == 0x00880000)
|
|
|
|
{
|
|
|
|
int gr_i = ((op >> 12) & 0x3f);
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
/* Make sure that the source is an arg register; if it is, we'll
|
|
|
|
treat it as a prologue instruction. */
|
|
|
|
if (is_argument_reg (gr_i))
|
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* To spill 16-bit values to the stack:
|
|
|
|
sthi GRk, @(fp, s)
|
|
|
|
P KKKKKK 1010001 000010 SSSSSSSSSSSS = 0x01442000
|
|
|
|
0 000000 1111111 111111 000000000000 = 0x01fff000
|
|
|
|
. . . . . . . .
|
|
|
|
And for 8-bit values, we use STB instructions.
|
|
|
|
stbi GRk, @(fp, s)
|
|
|
|
P KKKKKK 1010000 000010 SSSSSSSSSSSS = 0x01402000
|
|
|
|
0 000000 1111111 111111 000000000000 = 0x01fff000
|
|
|
|
. . . . . . . .
|
|
|
|
We check that GRk is really an argument register, and treat
|
|
|
|
all such as part of the prologue. */
|
|
|
|
else if ( (op & 0x01fff000) == 0x01442000
|
|
|
|
|| (op & 0x01fff000) == 0x01402000)
|
|
|
|
{
|
|
|
|
int gr_k = ((op >> 25) & 0x3f);
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
/* Make sure that GRk is really an argument register; treat
|
|
|
|
it as a prologue instruction if so. */
|
|
|
|
if (is_argument_reg (gr_k))
|
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* To save multiple callee-saves register on the stack, at a
|
|
|
|
non-zero offset:
|
|
|
|
|
|
|
|
stdi GRk, @(sp, s)
|
|
|
|
P KKKKKK 1010011 000001 SSSSSSSSSSSS = 0x014c1000
|
|
|
|
0 000000 1111111 111111 000000000000 = 0x01fff000
|
|
|
|
. . . . . . . .
|
|
|
|
stqi GRk, @(sp, s)
|
|
|
|
P KKKKKK 1010100 000001 SSSSSSSSSSSS = 0x01501000
|
|
|
|
0 000000 1111111 111111 000000000000 = 0x01fff000
|
|
|
|
. . . . . . . .
|
|
|
|
We treat this as part of the prologue, and record the register's
|
|
|
|
saved address in the frame structure. */
|
|
|
|
else if ((op & 0x01fff000) == 0x014c1000
|
|
|
|
|| (op & 0x01fff000) == 0x01501000)
|
|
|
|
{
|
|
|
|
int gr_k = ((op >> 25) & 0x3f);
|
|
|
|
int count;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* Is it a stdi or a stqi? */
|
|
|
|
if ((op & 0x01fff000) == 0x014c1000)
|
|
|
|
count = 2;
|
|
|
|
else
|
|
|
|
count = 4;
|
|
|
|
|
|
|
|
/* Is it really a callee-saves register? */
|
|
|
|
if (is_callee_saves_reg (gr_k))
|
|
|
|
{
|
|
|
|
/* Sign-extend the twelve-bit field.
|
|
|
|
(Isn't there a better way to do this?) */
|
|
|
|
int s = (((op & 0xfff) - 0x800) & 0xfff) - 0x800;
|
|
|
|
|
|
|
|
for (i = 0; i < count; i++)
|
|
|
|
{
|
|
|
|
gr_saved[gr_k + i] = 1;
|
|
|
|
gr_sp_offset[gr_k + i] = s + (4 * i);
|
|
|
|
}
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Storing any kind of integer register at any constant offset
|
|
|
|
from any other register.
|
|
|
|
|
|
|
|
st GRk, @(GRi, gr0)
|
|
|
|
P KKKKKK 0000011 IIIIII 000010 000000 = 0x000c0080
|
|
|
|
0 000000 1111111 000000 111111 111111 = 0x01fc0fff
|
|
|
|
. . . . . . . .
|
|
|
|
sti GRk, @(GRi, d12)
|
|
|
|
P KKKKKK 1010010 IIIIII SSSSSSSSSSSS = 0x01480000
|
|
|
|
0 000000 1111111 000000 000000000000 = 0x01fc0000
|
|
|
|
. . . . . . . .
|
|
|
|
These could be almost anything, but a lot of prologue
|
|
|
|
instructions fall into this pattern, so let's decode the
|
|
|
|
instruction once, and then work at a higher level. */
|
|
|
|
else if (((op & 0x01fc0fff) == 0x000c0080)
|
|
|
|
|| ((op & 0x01fc0000) == 0x01480000))
|
|
|
|
{
|
|
|
|
int gr_k = ((op >> 25) & 0x3f);
|
|
|
|
int gr_i = ((op >> 12) & 0x3f);
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
/* Are we storing with gr0 as an offset, or using an
|
|
|
|
immediate value? */
|
|
|
|
if ((op & 0x01fc0fff) == 0x000c0080)
|
|
|
|
offset = 0;
|
|
|
|
else
|
|
|
|
offset = (((op & 0xfff) - 0x800) & 0xfff) - 0x800;
|
|
|
|
|
|
|
|
/* If the address isn't relative to the SP or FP, it's not a
|
|
|
|
prologue instruction. */
|
|
|
|
if (gr_i != sp_regnum && gr_i != fp_regnum)
|
2003-12-19 00:34:26 +00:00
|
|
|
{
|
|
|
|
/* Do nothing; not a prologue instruction. */
|
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* Saving the old FP in the new frame (relative to the SP). */
|
2003-12-19 00:34:26 +00:00
|
|
|
else if (gr_k == fp_regnum && gr_i == sp_regnum)
|
2003-09-08 23:01:29 +00:00
|
|
|
{
|
|
|
|
gr_saved[fp_regnum] = 1;
|
|
|
|
gr_sp_offset[fp_regnum] = offset;
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2003-09-08 23:01:29 +00:00
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* Saving callee-saves register(s) on the stack, relative to
|
|
|
|
the SP. */
|
|
|
|
else if (gr_i == sp_regnum
|
|
|
|
&& is_callee_saves_reg (gr_k))
|
|
|
|
{
|
|
|
|
gr_saved[gr_k] = 1;
|
2003-09-08 23:01:29 +00:00
|
|
|
if (gr_i == sp_regnum)
|
|
|
|
gr_sp_offset[gr_k] = offset;
|
|
|
|
else
|
|
|
|
gr_sp_offset[gr_k] = offset + fp_offset;
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Saving the scratch register holding the return address. */
|
|
|
|
else if (lr_save_reg != -1
|
|
|
|
&& gr_k == lr_save_reg)
|
2003-09-08 23:01:29 +00:00
|
|
|
{
|
|
|
|
lr_saved_on_stack = 1;
|
|
|
|
if (gr_i == sp_regnum)
|
|
|
|
lr_sp_offset = offset;
|
|
|
|
else
|
|
|
|
lr_sp_offset = offset + fp_offset;
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2003-09-08 23:01:29 +00:00
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* Spilling int-sized arguments to the stack. */
|
|
|
|
else if (is_argument_reg (gr_k))
|
2003-12-19 00:34:26 +00:00
|
|
|
last_prologue_pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
2003-12-19 00:34:26 +00:00
|
|
|
pc = next_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
if (next_frame && info)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-09-08 23:01:29 +00:00
|
|
|
int i;
|
|
|
|
ULONGEST this_base;
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* If we know the relationship between the stack and frame
|
|
|
|
pointers, record the addresses of the registers we noticed.
|
|
|
|
Note that we have to do this as a separate step at the end,
|
|
|
|
because instructions may save relative to the SP, but we need
|
|
|
|
their addresses relative to the FP. */
|
|
|
|
if (fp_set)
|
2003-09-08 23:01:29 +00:00
|
|
|
frame_unwind_unsigned_register (next_frame, fp_regnum, &this_base);
|
|
|
|
else
|
|
|
|
frame_unwind_unsigned_register (next_frame, sp_regnum, &this_base);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
for (i = 0; i < 64; i++)
|
|
|
|
if (gr_saved[i])
|
|
|
|
info->saved_regs[i].addr = this_base - fp_offset + gr_sp_offset[i];
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
info->prev_sp = this_base - fp_offset + framesize;
|
|
|
|
info->base = this_base;
|
|
|
|
|
|
|
|
/* If LR was saved on the stack, record its location. */
|
|
|
|
if (lr_saved_on_stack)
|
|
|
|
info->saved_regs[lr_regnum].addr = this_base - fp_offset + lr_sp_offset;
|
|
|
|
|
|
|
|
/* The call instruction moves the caller's PC in the callee's LR.
|
|
|
|
Since this is an unwind, do the reverse. Copy the location of LR
|
|
|
|
into PC (the address / regnum) so that a request for PC will be
|
|
|
|
converted into a request for the LR. */
|
|
|
|
info->saved_regs[pc_regnum] = info->saved_regs[lr_regnum];
|
|
|
|
|
|
|
|
/* Save the previous frame's computed SP value. */
|
|
|
|
trad_frame_set_value (info->saved_regs, sp_regnum, info->prev_sp);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2003-12-19 00:34:26 +00:00
|
|
|
return last_prologue_pc;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static CORE_ADDR
|
|
|
|
frv_skip_prologue (CORE_ADDR pc)
|
|
|
|
{
|
|
|
|
CORE_ADDR func_addr, func_end, new_pc;
|
|
|
|
|
|
|
|
new_pc = pc;
|
|
|
|
|
|
|
|
/* If the line table has entry for a line *within* the function
|
|
|
|
(i.e., not in the prologue, and not past the end), then that's
|
|
|
|
our location. */
|
|
|
|
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
|
|
|
|
{
|
|
|
|
struct symtab_and_line sal;
|
|
|
|
|
|
|
|
sal = find_pc_line (func_addr, 0);
|
|
|
|
|
|
|
|
if (sal.line != 0 && sal.end < func_end)
|
|
|
|
{
|
|
|
|
new_pc = sal.end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* The FR-V prologue is at least five instructions long (twenty bytes).
|
|
|
|
If we didn't find a real source location past that, then
|
|
|
|
do a full analysis of the prologue. */
|
|
|
|
if (new_pc < pc + 20)
|
2003-09-08 23:01:29 +00:00
|
|
|
new_pc = frv_analyze_prologue (pc, 0, 0);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
return new_pc;
|
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
|
|
|
|
static struct frv_unwind_cache *
|
|
|
|
frv_frame_unwind_cache (struct frame_info *next_frame,
|
|
|
|
void **this_prologue_cache)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-09-08 23:01:29 +00:00
|
|
|
struct gdbarch *gdbarch = get_frame_arch (next_frame);
|
|
|
|
CORE_ADDR pc;
|
|
|
|
ULONGEST this_base;
|
|
|
|
struct frv_unwind_cache *info;
|
2003-08-20 20:22:41 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
if ((*this_prologue_cache))
|
|
|
|
return (*this_prologue_cache);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
info = FRAME_OBSTACK_ZALLOC (struct frv_unwind_cache);
|
|
|
|
(*this_prologue_cache) = info;
|
|
|
|
info->saved_regs = trad_frame_alloc_saved_regs (next_frame);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Prologue analysis does the rest... */
|
* dwarf2-frame.c (dwarf2_frame_cache, dwarf2_frame_this_id)
(dwarf2_frame_sniffer): Update.
(dwarf2_signal_frame_this_id): New function.
(dwarf2_signal_frame_unwind): Use it.
(dwarf2_frame_base_sniffer): Use frame_unwind_address_in_block.
* frame.c (frame_func_unwind): Add this_type argument.
(get_frame_func): Update.
(frame_unwind_address_in_block): Add this_type argument and check it.
Fix a typo.
(get_frame_address_in_block): Update.
* frame.h (enum frame_type): Move higher in the file.
(frame_unwind_address_in_block, frame_func_unwind): Add enum frame_type
argument.
* alpha-mdebug-tdep.c, alpha-tdep.c, amd64-tdep.c, amd64obsd-tdep.c,
arm-tdep.c, avr-tdep.c, cris-tdep.c, frv-tdep.c, h8300-tdep.c,
hppa-tdep.c, i386-tdep.c, i386obsd-tdep.c, ia64-tdep.c,
libunwind-frame.c, m32c-tdep.c, m32r-linux-tdep.c, m32r-tdep.c,
m68hc11-tdep.c, m68k-tdep.c, m88k-tdep.c, mips-mdebug-tdep.c,
mips-tdep.c, mn10300-tdep.c, mt-tdep.c, rs6000-tdep.c, s390-tdep.c,
score-tdep.c, sh-tdep.c, sh64-tdep.c, sparc-tdep.c,
sparc64obsd-tdep.c, spu-tdep.c, v850-tdep.c, vax-tdep.c,
xstormy16-tdep.c, xtensa-tdep.c: Update calls to
frame_func_unwind and frame_unwind_address_in_block to specify
the frame type. Use frame_unwind_address_in_block instead of
frame_pc_unwind in sniffers.
* gdb.arch/i386-signal.c, gdb.arch/i386-signal.exp: New files.
2007-02-27 20:17:19 +00:00
|
|
|
frv_analyze_prologue (frame_func_unwind (next_frame, NORMAL_FRAME),
|
|
|
|
next_frame, info);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
return info;
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-11-05 16:44:12 +00:00
|
|
|
frv_extract_return_value (struct type *type, struct regcache *regcache,
|
2005-11-08 01:01:34 +00:00
|
|
|
gdb_byte *valbuf)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-11-05 16:44:12 +00:00
|
|
|
int len = TYPE_LENGTH (type);
|
|
|
|
|
|
|
|
if (len <= 4)
|
|
|
|
{
|
|
|
|
ULONGEST gpr8_val;
|
|
|
|
regcache_cooked_read_unsigned (regcache, 8, &gpr8_val);
|
|
|
|
store_unsigned_integer (valbuf, len, gpr8_val);
|
|
|
|
}
|
|
|
|
else if (len == 8)
|
|
|
|
{
|
|
|
|
ULONGEST regval;
|
|
|
|
regcache_cooked_read_unsigned (regcache, 8, ®val);
|
|
|
|
store_unsigned_integer (valbuf, 4, regval);
|
|
|
|
regcache_cooked_read_unsigned (regcache, 9, ®val);
|
|
|
|
store_unsigned_integer ((bfd_byte *) valbuf + 4, 4, regval);
|
|
|
|
}
|
|
|
|
else
|
2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 18:13:55 +00:00
|
|
|
internal_error (__FILE__, __LINE__, _("Illegal return value length: %d"), len);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
static CORE_ADDR
|
|
|
|
frv_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Require dword alignment. */
|
2003-09-19 16:22:39 +00:00
|
|
|
return align_down (sp, 8);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2004-03-13 00:50:53 +00:00
|
|
|
static CORE_ADDR
|
|
|
|
find_func_descr (struct gdbarch *gdbarch, CORE_ADDR entry_point)
|
|
|
|
{
|
|
|
|
CORE_ADDR descr;
|
|
|
|
char valbuf[4];
|
2005-04-29 21:48:28 +00:00
|
|
|
CORE_ADDR start_addr;
|
|
|
|
|
|
|
|
/* If we can't find the function in the symbol table, then we assume
|
|
|
|
that the function address is already in descriptor form. */
|
|
|
|
if (!find_pc_partial_function (entry_point, NULL, &start_addr, NULL)
|
|
|
|
|| entry_point != start_addr)
|
|
|
|
return entry_point;
|
2004-03-13 00:50:53 +00:00
|
|
|
|
|
|
|
descr = frv_fdpic_find_canonical_descriptor (entry_point);
|
|
|
|
|
|
|
|
if (descr != 0)
|
|
|
|
return descr;
|
|
|
|
|
|
|
|
/* Construct a non-canonical descriptor from space allocated on
|
|
|
|
the stack. */
|
|
|
|
|
|
|
|
descr = value_as_long (value_allocate_space_in_inferior (8));
|
|
|
|
store_unsigned_integer (valbuf, 4, entry_point);
|
|
|
|
write_memory (descr, valbuf, 4);
|
|
|
|
store_unsigned_integer (valbuf, 4,
|
|
|
|
frv_fdpic_find_global_pointer (entry_point));
|
|
|
|
write_memory (descr + 4, valbuf, 4);
|
|
|
|
return descr;
|
|
|
|
}
|
|
|
|
|
|
|
|
static CORE_ADDR
|
|
|
|
frv_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr,
|
|
|
|
struct target_ops *targ)
|
|
|
|
{
|
|
|
|
CORE_ADDR entry_point;
|
|
|
|
CORE_ADDR got_address;
|
|
|
|
|
|
|
|
entry_point = get_target_memory_unsigned (targ, addr, 4);
|
|
|
|
got_address = get_target_memory_unsigned (targ, addr + 4, 4);
|
|
|
|
|
|
|
|
if (got_address == frv_fdpic_find_global_pointer (entry_point))
|
|
|
|
return entry_point;
|
|
|
|
else
|
|
|
|
return addr;
|
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
static CORE_ADDR
|
2004-06-07 02:02:55 +00:00
|
|
|
frv_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
|
2003-09-08 23:01:29 +00:00
|
|
|
struct regcache *regcache, CORE_ADDR bp_addr,
|
|
|
|
int nargs, struct value **args, CORE_ADDR sp,
|
|
|
|
int struct_return, CORE_ADDR struct_addr)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
|
|
|
int argreg;
|
|
|
|
int argnum;
|
|
|
|
char *val;
|
|
|
|
char valbuf[4];
|
|
|
|
struct value *arg;
|
|
|
|
struct type *arg_type;
|
|
|
|
int len;
|
|
|
|
enum type_code typecode;
|
|
|
|
CORE_ADDR regval;
|
|
|
|
int stack_space;
|
|
|
|
int stack_offset;
|
2004-03-13 00:50:53 +00:00
|
|
|
enum frv_abi abi = frv_abi (gdbarch);
|
2004-06-07 02:02:55 +00:00
|
|
|
CORE_ADDR func_addr = find_function_addr (function, NULL);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
#if 0
|
|
|
|
printf("Push %d args at sp = %x, struct_return=%d (%x)\n",
|
|
|
|
nargs, (int) sp, struct_return, struct_addr);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
stack_space = 0;
|
|
|
|
for (argnum = 0; argnum < nargs; ++argnum)
|
2004-11-12 Andrew Cagney <cagney@gnu.org>
* sparc-tdep.c: Replace VALUE_TYPE with value_type.
* v850-tdep.c, sparc64-tdep.c, sh-tdep.c: Ditto.
* sh64-tdep.c, s390-tdep.c, mcore-tdep.c: Ditto.
* h8300-tdep.c, arm-linux-tdep.c, amd64-tdep.c: Ditto.
* hppa-tdep.c, mips-tdep.c, m88k-tdep.c: Ditto.
* m68hc11-tdep.c, m32r-tdep.c, ia64-tdep.c: Ditto.
* frv-tdep.c, cris-tdep.c, avr-tdep.c, alpha-tdep.c: Ditto.
2004-11-13 02:15:33 +00:00
|
|
|
stack_space += align_up (TYPE_LENGTH (value_type (args[argnum])), 4);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
stack_space -= (6 * 4);
|
|
|
|
if (stack_space > 0)
|
|
|
|
sp -= stack_space;
|
|
|
|
|
|
|
|
/* Make sure stack is dword aligned. */
|
2003-09-19 16:22:39 +00:00
|
|
|
sp = align_down (sp, 8);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
stack_offset = 0;
|
|
|
|
|
|
|
|
argreg = 8;
|
|
|
|
|
|
|
|
if (struct_return)
|
2003-09-08 23:01:29 +00:00
|
|
|
regcache_cooked_write_unsigned (regcache, struct_return_regnum,
|
|
|
|
struct_addr);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
for (argnum = 0; argnum < nargs; ++argnum)
|
|
|
|
{
|
|
|
|
arg = args[argnum];
|
2004-11-12 Andrew Cagney <cagney@gnu.org>
* sparc-tdep.c: Replace VALUE_TYPE with value_type.
* v850-tdep.c, sparc64-tdep.c, sh-tdep.c: Ditto.
* sh64-tdep.c, s390-tdep.c, mcore-tdep.c: Ditto.
* h8300-tdep.c, arm-linux-tdep.c, amd64-tdep.c: Ditto.
* hppa-tdep.c, mips-tdep.c, m88k-tdep.c: Ditto.
* m68hc11-tdep.c, m32r-tdep.c, ia64-tdep.c: Ditto.
* frv-tdep.c, cris-tdep.c, avr-tdep.c, alpha-tdep.c: Ditto.
2004-11-13 02:15:33 +00:00
|
|
|
arg_type = check_typedef (value_type (arg));
|
2002-06-21 21:19:58 +00:00
|
|
|
len = TYPE_LENGTH (arg_type);
|
|
|
|
typecode = TYPE_CODE (arg_type);
|
|
|
|
|
|
|
|
if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)
|
|
|
|
{
|
2003-05-13 19:27:28 +00:00
|
|
|
store_unsigned_integer (valbuf, 4, VALUE_ADDRESS (arg));
|
2002-06-21 21:19:58 +00:00
|
|
|
typecode = TYPE_CODE_PTR;
|
|
|
|
len = 4;
|
|
|
|
val = valbuf;
|
|
|
|
}
|
2004-03-13 00:50:53 +00:00
|
|
|
else if (abi == FRV_ABI_FDPIC
|
|
|
|
&& len == 4
|
|
|
|
&& typecode == TYPE_CODE_PTR
|
|
|
|
&& TYPE_CODE (TYPE_TARGET_TYPE (arg_type)) == TYPE_CODE_FUNC)
|
|
|
|
{
|
|
|
|
/* The FDPIC ABI requires function descriptors to be passed instead
|
|
|
|
of entry points. */
|
|
|
|
store_unsigned_integer
|
|
|
|
(valbuf, 4,
|
|
|
|
find_func_descr (gdbarch,
|
2005-02-06 Andrew Cagney <cagney@gnu.org>
* value.c (value_contents, value_contents_writeable): New
functions.
* value.h (VALUE_CONTENTS): Delete macro.
(value_contents, value_contents_writeable): Declare.
* xstormy16-tdep.c, value.c, valops.c, valarith.c: Update.
* stack.c, sparc-tdep.c, sparc64-tdep.c, sh-tdep.c: Update.
* sh64-tdep.c, scm-valprint.c, scm-exp.c, s390-tdep.c: Update.
* rs6000-tdep.c, p-valprint.c, printcmd.c: Update.
* ppc-sysv-tdep.c, mips-tdep.c, mi/mi-main.c: Update.
* m88k-tdep.c, m68hc11-tdep.c, m32r-tdep.c: Update.
* jv-valprint.c, ia64-tdep.c, hppa-tdep.c: Update.
* hpacc-abi.c, f-valprint.c, frv-tdep.c, eval.c: Update.
* c-valprint.c, cris-tdep.c, cp-valprint.c: Update.
* cli/cli-dump.c, breakpoint.c, avr-tdep.c, arm-tdep.c: Update.
* arm-linux-tdep.c, amd64-tdep.c, alpha-tdep.c: Update.
* ada-valprint.c, ada-lang.c: Update.
2005-02-07 00:09:56 +00:00
|
|
|
extract_unsigned_integer (value_contents (arg),
|
2004-03-13 00:50:53 +00:00
|
|
|
4)));
|
|
|
|
typecode = TYPE_CODE_PTR;
|
|
|
|
len = 4;
|
|
|
|
val = valbuf;
|
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
else
|
|
|
|
{
|
2005-02-06 Andrew Cagney <cagney@gnu.org>
* value.c (value_contents, value_contents_writeable): New
functions.
* value.h (VALUE_CONTENTS): Delete macro.
(value_contents, value_contents_writeable): Declare.
* xstormy16-tdep.c, value.c, valops.c, valarith.c: Update.
* stack.c, sparc-tdep.c, sparc64-tdep.c, sh-tdep.c: Update.
* sh64-tdep.c, scm-valprint.c, scm-exp.c, s390-tdep.c: Update.
* rs6000-tdep.c, p-valprint.c, printcmd.c: Update.
* ppc-sysv-tdep.c, mips-tdep.c, mi/mi-main.c: Update.
* m88k-tdep.c, m68hc11-tdep.c, m32r-tdep.c: Update.
* jv-valprint.c, ia64-tdep.c, hppa-tdep.c: Update.
* hpacc-abi.c, f-valprint.c, frv-tdep.c, eval.c: Update.
* c-valprint.c, cris-tdep.c, cp-valprint.c: Update.
* cli/cli-dump.c, breakpoint.c, avr-tdep.c, arm-tdep.c: Update.
* arm-linux-tdep.c, amd64-tdep.c, alpha-tdep.c: Update.
* ada-valprint.c, ada-lang.c: Update.
2005-02-07 00:09:56 +00:00
|
|
|
val = (char *) value_contents (arg);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
while (len > 0)
|
|
|
|
{
|
|
|
|
int partial_len = (len < 4 ? len : 4);
|
|
|
|
|
|
|
|
if (argreg < 14)
|
|
|
|
{
|
2003-06-02 02:09:40 +00:00
|
|
|
regval = extract_unsigned_integer (val, partial_len);
|
2002-06-21 21:19:58 +00:00
|
|
|
#if 0
|
|
|
|
printf(" Argnum %d data %x -> reg %d\n",
|
|
|
|
argnum, (int) regval, argreg);
|
|
|
|
#endif
|
2003-09-08 23:01:29 +00:00
|
|
|
regcache_cooked_write_unsigned (regcache, argreg, regval);
|
2002-06-21 21:19:58 +00:00
|
|
|
++argreg;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
printf(" Argnum %d data %x -> offset %d (%x)\n",
|
|
|
|
argnum, *((int *)val), stack_offset, (int) (sp + stack_offset));
|
|
|
|
#endif
|
|
|
|
write_memory (sp + stack_offset, val, partial_len);
|
2003-09-19 16:22:39 +00:00
|
|
|
stack_offset += align_up (partial_len, 4);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
len -= partial_len;
|
|
|
|
val += partial_len;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Set the return address. For the frv, the return breakpoint is
|
|
|
|
always at BP_ADDR. */
|
|
|
|
regcache_cooked_write_unsigned (regcache, lr_regnum, bp_addr);
|
|
|
|
|
2004-03-13 00:50:53 +00:00
|
|
|
if (abi == FRV_ABI_FDPIC)
|
|
|
|
{
|
|
|
|
/* Set the GOT register for the FDPIC ABI. */
|
|
|
|
regcache_cooked_write_unsigned
|
|
|
|
(regcache, first_gpr_regnum + 15,
|
|
|
|
frv_fdpic_find_global_pointer (func_addr));
|
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
/* Finally, update the SP register. */
|
|
|
|
regcache_cooked_write_unsigned (regcache, sp_regnum, sp);
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
return sp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2003-11-05 16:44:12 +00:00
|
|
|
frv_store_return_value (struct type *type, struct regcache *regcache,
|
2005-11-08 01:01:34 +00:00
|
|
|
const gdb_byte *valbuf)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2003-11-05 16:44:12 +00:00
|
|
|
int len = TYPE_LENGTH (type);
|
|
|
|
|
|
|
|
if (len <= 4)
|
|
|
|
{
|
|
|
|
bfd_byte val[4];
|
|
|
|
memset (val, 0, sizeof (val));
|
|
|
|
memcpy (val + (4 - len), valbuf, len);
|
|
|
|
regcache_cooked_write (regcache, 8, val);
|
|
|
|
}
|
|
|
|
else if (len == 8)
|
|
|
|
{
|
|
|
|
regcache_cooked_write (regcache, 8, valbuf);
|
|
|
|
regcache_cooked_write (regcache, 9, (bfd_byte *) valbuf + 4);
|
|
|
|
}
|
2002-06-21 21:19:58 +00:00
|
|
|
else
|
|
|
|
internal_error (__FILE__, __LINE__,
|
2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 18:13:55 +00:00
|
|
|
_("Don't know how to return a %d-byte value."), len);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Hardware watchpoint / breakpoint support for the FR500
|
|
|
|
and FR400. */
|
|
|
|
|
|
|
|
int
|
|
|
|
frv_check_watch_resources (int type, int cnt, int ot)
|
|
|
|
{
|
|
|
|
struct gdbarch_tdep *var = CURRENT_VARIANT;
|
|
|
|
|
|
|
|
/* Watchpoints not supported on simulator. */
|
|
|
|
if (strcmp (target_shortname, "sim") == 0)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (type == bp_hardware_breakpoint)
|
|
|
|
{
|
|
|
|
if (var->num_hw_breakpoints == 0)
|
|
|
|
return 0;
|
|
|
|
else if (cnt <= var->num_hw_breakpoints)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (var->num_hw_watchpoints == 0)
|
|
|
|
return 0;
|
|
|
|
else if (ot)
|
|
|
|
return -1;
|
|
|
|
else if (cnt <= var->num_hw_watchpoints)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-10-08 17:30:48 +00:00
|
|
|
int
|
|
|
|
frv_stopped_data_address (CORE_ADDR *addr_p)
|
2002-06-21 21:19:58 +00:00
|
|
|
{
|
2007-06-15 22:27:53 +00:00
|
|
|
struct frame_info *frame = get_current_frame ();
|
2002-06-21 21:19:58 +00:00
|
|
|
CORE_ADDR brr, dbar0, dbar1, dbar2, dbar3;
|
|
|
|
|
2007-06-15 22:27:53 +00:00
|
|
|
brr = get_frame_register_unsigned (frame, brr_regnum);
|
|
|
|
dbar0 = get_frame_register_unsigned (frame, dbar0_regnum);
|
|
|
|
dbar1 = get_frame_register_unsigned (frame, dbar1_regnum);
|
|
|
|
dbar2 = get_frame_register_unsigned (frame, dbar2_regnum);
|
|
|
|
dbar3 = get_frame_register_unsigned (frame, dbar3_regnum);
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
if (brr & (1<<11))
|
2004-10-08 17:30:48 +00:00
|
|
|
*addr_p = dbar0;
|
2002-06-21 21:19:58 +00:00
|
|
|
else if (brr & (1<<10))
|
2004-10-08 17:30:48 +00:00
|
|
|
*addr_p = dbar1;
|
2002-06-21 21:19:58 +00:00
|
|
|
else if (brr & (1<<9))
|
2004-10-08 17:30:48 +00:00
|
|
|
*addr_p = dbar2;
|
2002-06-21 21:19:58 +00:00
|
|
|
else if (brr & (1<<8))
|
2004-10-08 17:30:48 +00:00
|
|
|
*addr_p = dbar3;
|
2002-06-21 21:19:58 +00:00
|
|
|
else
|
|
|
|
return 0;
|
2004-10-08 17:30:48 +00:00
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
frv_have_stopped_data_address (void)
|
|
|
|
{
|
|
|
|
CORE_ADDR addr = 0;
|
|
|
|
return frv_stopped_data_address (&addr);
|
2002-06-21 21:19:58 +00:00
|
|
|
}
|
|
|
|
|
2003-09-08 23:01:29 +00:00
|
|
|
static CORE_ADDR
|
|
|
|
frv_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
|
|
{
|
|
|
|
return frame_unwind_register_unsigned (next_frame, pc_regnum);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Given a GDB frame, determine the address of the calling function's
|
|
|
|
frame. This will be used to create a new GDB frame struct. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
frv_frame_this_id (struct frame_info *next_frame,
|
|
|
|
void **this_prologue_cache, struct frame_id *this_id)
|
|
|
|
{
|
|
|
|
struct frv_unwind_cache *info
|
|
|
|
= frv_frame_unwind_cache (next_frame, this_prologue_cache);
|
|
|
|
CORE_ADDR base;
|
|
|
|
CORE_ADDR func;
|
|
|
|
struct minimal_symbol *msym_stack;
|
|
|
|
struct frame_id id;
|
|
|
|
|
|
|
|
/* The FUNC is easy. */
|
* dwarf2-frame.c (dwarf2_frame_cache, dwarf2_frame_this_id)
(dwarf2_frame_sniffer): Update.
(dwarf2_signal_frame_this_id): New function.
(dwarf2_signal_frame_unwind): Use it.
(dwarf2_frame_base_sniffer): Use frame_unwind_address_in_block.
* frame.c (frame_func_unwind): Add this_type argument.
(get_frame_func): Update.
(frame_unwind_address_in_block): Add this_type argument and check it.
Fix a typo.
(get_frame_address_in_block): Update.
* frame.h (enum frame_type): Move higher in the file.
(frame_unwind_address_in_block, frame_func_unwind): Add enum frame_type
argument.
* alpha-mdebug-tdep.c, alpha-tdep.c, amd64-tdep.c, amd64obsd-tdep.c,
arm-tdep.c, avr-tdep.c, cris-tdep.c, frv-tdep.c, h8300-tdep.c,
hppa-tdep.c, i386-tdep.c, i386obsd-tdep.c, ia64-tdep.c,
libunwind-frame.c, m32c-tdep.c, m32r-linux-tdep.c, m32r-tdep.c,
m68hc11-tdep.c, m68k-tdep.c, m88k-tdep.c, mips-mdebug-tdep.c,
mips-tdep.c, mn10300-tdep.c, mt-tdep.c, rs6000-tdep.c, s390-tdep.c,
score-tdep.c, sh-tdep.c, sh64-tdep.c, sparc-tdep.c,
sparc64obsd-tdep.c, spu-tdep.c, v850-tdep.c, vax-tdep.c,
xstormy16-tdep.c, xtensa-tdep.c: Update calls to
frame_func_unwind and frame_unwind_address_in_block to specify
the frame type. Use frame_unwind_address_in_block instead of
frame_pc_unwind in sniffers.
* gdb.arch/i386-signal.c, gdb.arch/i386-signal.exp: New files.
2007-02-27 20:17:19 +00:00
|
|
|
func = frame_func_unwind (next_frame, NORMAL_FRAME);
|
2003-09-08 23:01:29 +00:00
|
|
|
|
|
|
|
/* Check if the stack is empty. */
|
|
|
|
msym_stack = lookup_minimal_symbol ("_stack", NULL, NULL);
|
|
|
|
if (msym_stack && info->base == SYMBOL_VALUE_ADDRESS (msym_stack))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* Hopefully the prologue analysis either correctly determined the
|
|
|
|
frame's base (which is the SP from the previous frame), or set
|
|
|
|
that base to "NULL". */
|
|
|
|
base = info->prev_sp;
|
|
|
|
if (base == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
id = frame_id_build (base, func);
|
|
|
|
(*this_id) = id;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
frv_frame_prev_register (struct frame_info *next_frame,
|
|
|
|
void **this_prologue_cache,
|
|
|
|
int regnum, int *optimizedp,
|
|
|
|
enum lval_type *lvalp, CORE_ADDR *addrp,
|
2005-11-08 01:01:34 +00:00
|
|
|
int *realnump, gdb_byte *bufferp)
|
2003-09-08 23:01:29 +00:00
|
|
|
{
|
|
|
|
struct frv_unwind_cache *info
|
|
|
|
= frv_frame_unwind_cache (next_frame, this_prologue_cache);
|
2004-07-31 21:53:17 +00:00
|
|
|
trad_frame_get_prev_register (next_frame, info->saved_regs, regnum,
|
|
|
|
optimizedp, lvalp, addrp, realnump, bufferp);
|
2003-09-08 23:01:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static const struct frame_unwind frv_frame_unwind = {
|
|
|
|
NORMAL_FRAME,
|
|
|
|
frv_frame_this_id,
|
|
|
|
frv_frame_prev_register
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct frame_unwind *
|
|
|
|
frv_frame_sniffer (struct frame_info *next_frame)
|
|
|
|
{
|
|
|
|
return &frv_frame_unwind;
|
|
|
|
}
|
|
|
|
|
|
|
|
static CORE_ADDR
|
|
|
|
frv_frame_base_address (struct frame_info *next_frame, void **this_cache)
|
|
|
|
{
|
|
|
|
struct frv_unwind_cache *info
|
|
|
|
= frv_frame_unwind_cache (next_frame, this_cache);
|
|
|
|
return info->base;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct frame_base frv_frame_base = {
|
|
|
|
&frv_frame_unwind,
|
|
|
|
frv_frame_base_address,
|
|
|
|
frv_frame_base_address,
|
|
|
|
frv_frame_base_address
|
|
|
|
};
|
|
|
|
|
|
|
|
static CORE_ADDR
|
|
|
|
frv_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
|
|
{
|
|
|
|
return frame_unwind_register_unsigned (next_frame, sp_regnum);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Assuming NEXT_FRAME->prev is a dummy, return the frame ID of that
|
|
|
|
dummy frame. The frame ID's base needs to match the TOS value
|
|
|
|
saved by save_dummy_frame_tos(), and the PC match the dummy frame's
|
|
|
|
breakpoint. */
|
|
|
|
|
|
|
|
static struct frame_id
|
|
|
|
frv_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
|
|
{
|
|
|
|
return frame_id_build (frv_unwind_sp (gdbarch, next_frame),
|
|
|
|
frame_pc_unwind (next_frame));
|
|
|
|
}
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
static struct gdbarch *
|
|
|
|
frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
|
|
|
{
|
|
|
|
struct gdbarch *gdbarch;
|
|
|
|
struct gdbarch_tdep *var;
|
2004-03-13 00:16:23 +00:00
|
|
|
int elf_flags = 0;
|
2002-06-21 21:19:58 +00:00
|
|
|
|
|
|
|
/* Check to see if we've already built an appropriate architecture
|
|
|
|
object for this executable. */
|
|
|
|
arches = gdbarch_list_lookup_by_info (arches, &info);
|
|
|
|
if (arches)
|
|
|
|
return arches->gdbarch;
|
|
|
|
|
|
|
|
/* Select the right tdep structure for this variant. */
|
|
|
|
var = new_variant ();
|
|
|
|
switch (info.bfd_arch_info->mach)
|
|
|
|
{
|
|
|
|
case bfd_mach_frv:
|
|
|
|
case bfd_mach_frvsimple:
|
|
|
|
case bfd_mach_fr500:
|
|
|
|
case bfd_mach_frvtomcat:
|
2003-12-03 04:50:33 +00:00
|
|
|
case bfd_mach_fr550:
|
2002-06-21 21:19:58 +00:00
|
|
|
set_variant_num_gprs (var, 64);
|
|
|
|
set_variant_num_fprs (var, 64);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case bfd_mach_fr400:
|
2004-03-13 01:24:20 +00:00
|
|
|
case bfd_mach_fr450:
|
2002-06-21 21:19:58 +00:00
|
|
|
set_variant_num_gprs (var, 32);
|
|
|
|
set_variant_num_fprs (var, 32);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
/* Never heard of this variant. */
|
|
|
|
return 0;
|
|
|
|
}
|
2004-03-13 00:16:23 +00:00
|
|
|
|
|
|
|
/* Extract the ELF flags, if available. */
|
|
|
|
if (info.abfd && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
|
|
|
|
elf_flags = elf_elfheader (info.abfd)->e_flags;
|
|
|
|
|
|
|
|
if (elf_flags & EF_FRV_FDPIC)
|
|
|
|
set_variant_abi_fdpic (var);
|
|
|
|
|
2004-03-13 01:24:20 +00:00
|
|
|
if (elf_flags & EF_FRV_CPU_FR450)
|
|
|
|
set_variant_scratch_registers (var);
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
gdbarch = gdbarch_alloc (&info, var);
|
|
|
|
|
|
|
|
set_gdbarch_short_bit (gdbarch, 16);
|
|
|
|
set_gdbarch_int_bit (gdbarch, 32);
|
|
|
|
set_gdbarch_long_bit (gdbarch, 32);
|
|
|
|
set_gdbarch_long_long_bit (gdbarch, 64);
|
|
|
|
set_gdbarch_float_bit (gdbarch, 32);
|
|
|
|
set_gdbarch_double_bit (gdbarch, 64);
|
|
|
|
set_gdbarch_long_double_bit (gdbarch, 64);
|
|
|
|
set_gdbarch_ptr_bit (gdbarch, 32);
|
|
|
|
|
|
|
|
set_gdbarch_num_regs (gdbarch, frv_num_regs);
|
2003-11-07 05:54:51 +00:00
|
|
|
set_gdbarch_num_pseudo_regs (gdbarch, frv_num_pseudo_regs);
|
|
|
|
|
2002-06-21 21:19:58 +00:00
|
|
|
set_gdbarch_sp_regnum (gdbarch, sp_regnum);
|
2003-04-28 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_TARGET_READ_FP): Replace TARGET_READ_FP.
(DEPRECATED_FP_REGNUM): Replace FP_REGNUM.
* gdbarch.h, gdbarch.c: Re-generate.
* infcall.c (call_function_by_hand): Use DEPRECATED_FP_REGNUM,
DEPRECATED_TARGET_READ_FP, or "sp" to create the dummy frame ID.
* inferior.h (deprecated_read_fp): Rename read_fp.
(generic_target_read_fp): Delete declaration.
* regcache.c (generic_target_read_fp): Delete function.
(deprecated_read_fp): Replace read_fp, use
DEPRECATED_TARGET_READ_FP or DEPRECATED_FP_REGNUM.
* d10v-tdep.c (d10v_read_fp): Delete function.
(d10v_gdbarch_init): Do not set deprecated_read_fp.
* sparc-tdep.c (sparc_gdbarch_init): Do not set
deprecated_target_read_fp to generic_target_read_fp.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* xstormy16-tdep.c (xstormy16_gdbarch_init): Set
deprecated_fp_regnum.
* x86-64-tdep.c (x86_64_init_abi): Ditto.
* vax-tdep.c (vax_gdbarch_init): Ditto.
* v850-tdep.c (v850_gdbarch_init): Ditto.
* sparc-tdep.c (sparc_gdbarch_init): Ditto.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* s390-tdep.c (s390_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
* mcore-tdep.c (mcore_gdbarch_init): Ditto.
* m68k-tdep.c (m68k_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* i386-tdep.c (i386_gdbarch_init): Ditto.
* hppa-tdep.c (hppa_gdbarch_init): Ditto.
* h8300-tdep.c (h8300_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* cris-tdep.c (cris_gdbarch_init): Ditto.
* avr-tdep.c (avr_gdbarch_init): Ditto.
* arm-tdep.c (arm_gdbarch_init): Ditto.
* alpha-tdep.c (alpha_gdbarch_init): Ditto.
* x86-64-tdep.c (x86_64_init_abi): Set deprecated_target_read_fp.
* v850-tdep.c (v850_gdbarch_init): Ditto.
* sparc-tdep.c (sparc_gdbarch_init): Ditto.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* s390-tdep.c (s390_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
* mips-tdep.c (mips_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* hppa-tdep.c (hppa_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* avr-tdep.c (avr_gdbarch_init): Ditto.
* arm-tdep.c (arm_gdbarch_init): Ditto.
* vax-tdep.c (vax_frame_init_saved_regs): Replace FP_REGNUM with
DEPRECATED_FP_REGNUM.
(vax_push_dummy_frame, vax_pop_frame): Ditto.
* std-regs.c (value_of_builtin_frame_fp_reg): Ditto.
* sparc-tdep.c (sparc_init_extra_frame_info): Ditto.
(sparc_push_dummy_frame, sparc64_read_fp): Ditto.
(sparc32_register_virtual_type): Ditto.
* sh-tdep.c (sh64_frame_chain): Ditto.
(sh64_get_saved_register, sh64_pop_frame): Ditto.
(sh_nofp_frame_init_saved_regs): Ditto.
(sh64_nofp_frame_init_saved_regs): Ditto.
(sh_fp_frame_init_saved_regs): Ditto.
* remote-mips.c (mips_wait, mips_fetch_registers): Ditto.
* remote-e7000.c (fetch_regs_from_dump): Ditto.
* procfs.c (procfs_fetch_registers): Ditto.
(procfs_store_registers): Ditto.
* ns32knbsd-nat.c (fetch_inferior_registers): Ditto.
(store_inferior_registers, fetch_core_registers): Ditto.
(fetch_kcore_registers, clear_regs): Ditto.
* ns32k-tdep.c (ns32k_frame_init_saved_regs): Ditto.
(ns32k_push_dummy_frame, ns32k_pop_frame): Ditto.
* nlm/i386.h (DEPRECATED_FP_REGNUM): Ditto.
* nlm/i386.c (do_status): Ditto.
* mipsv4-nat.c (supply_gregset): Ditto.
* mips-tdep.c: Ditto for comments.
* mips-nat.c (fetch_inferior_registers): Ditto.
(store_inferior_registers, fetch_core_registers): Ditto.
* m68k-tdep.c (m68k_push_dummy_frame): Ditto.
(m68k_pop_frame, m68k_frame_init_saved_regs): Ditto.
* i386-tdep.c (i386_frame_init_saved_regs): Ditto.
(i386_do_pop_frame, i386_register_type): Ditto.
* hppa-tdep.c (hppa_frame_chain): Ditto.
(hppa_push_dummy_frame, find_dummy_frame_regs): Ditto.
(hppa_pop_frame, hppa_read_fp): Ditto.
(skip_prologue_hard_way, hppa_frame_find_saved_regs): Ditto.
* cris-tdep.c (cris_examine, cris_pop_frame): Ditto.
* config/vax/nm-vax.h (REGISTER_U_ADDR): Ditto.
* config/sparc/tm-sparc.h (DEPRECATED_FP_REGNUM): Ditto.
* config/sparc/tm-sp64.h (DEPRECATED_FP_REGNUM): Ditto.
* config/s390/tm-s390.h (DEPRECATED_FP_REGNUM): Ditto.
* config/pa/tm-hppa64.h (DEPRECATED_FP_REGNUM): Ditto.
* config/ia64/tm-ia64.h (DEPRECATED_FP_REGNUM): Ditto.
* blockframe.c: Ditto for comments.
* arch-utils.h: Ditto for comments.
* arch-utils.c (legacy_virtual_frame_pointer): Ditto.
* alphanbsd-tdep.c (fetch_core_registers): Ditto.
* alphabsd-nat.c (fetch_inferior_registers): Ditto.
* alpha-tdep.h: Ditto for comments.
* alpha-tdep.c (alpha_cannot_fetch_register): Ditto.
(alpha_cannot_store_register): Ditto.
(alpha_push_dummy_frame): Ditto.
* alpha-nat.c (supply_gregset): Ditto.
* config/sparc/tm-sp64.h (DEPRECATED_TARGET_READ_FP): Update.
* config/pa/tm-hppa64.h (DEPRECATED_TARGET_READ_FP): Update.
* config/sparc/tm-sparc.h: Update comment.
* hppa-tdep.c (hppa_init_extra_frame_info): Use
deprecated_read_fp instead of TARGET_READ_FP.
(hppa_init_extra_frame_info, hppa_frame_chain): Ditto.
(hppa_push_dummy_frame, hppa_read_fp): Ditto.
* sparc-tdep.c (sparc_init_extra_frame_info): Use
deprecated_read_fp instead of read_fp.
* s390-tdep.c (s390_push_arguments): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* frame.h: Ditto in comments.
* frame.c (legacy_get_prev_frame): Ditto.
* dummy-frame.c (dummy_frame_this_id): Ditto.
* arm-tdep.c (arm_init_extra_frame_info): Ditto.
2003-04-28 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Replace
read_fp, TARGET_READ_FP and FP_REGNUM, with deprecated_read_fp,
DEPRECATED_TARGET_READ_FP and DEPRECATED_REGNUM.
2003-04-29 01:49:49 +00:00
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set_gdbarch_deprecated_fp_regnum (gdbarch, fp_regnum);
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2002-06-21 21:19:58 +00:00
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set_gdbarch_pc_regnum (gdbarch, pc_regnum);
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set_gdbarch_register_name (gdbarch, frv_register_name);
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2003-10-27 06:26:12 +00:00
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set_gdbarch_register_type (gdbarch, frv_register_type);
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2003-11-01 01:42:48 +00:00
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set_gdbarch_register_sim_regno (gdbarch, frv_register_sim_regno);
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2002-06-21 21:19:58 +00:00
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2003-11-07 05:54:51 +00:00
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set_gdbarch_pseudo_register_read (gdbarch, frv_pseudo_register_read);
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set_gdbarch_pseudo_register_write (gdbarch, frv_pseudo_register_write);
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2002-06-21 21:19:58 +00:00
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set_gdbarch_skip_prologue (gdbarch, frv_skip_prologue);
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set_gdbarch_breakpoint_from_pc (gdbarch, frv_breakpoint_from_pc);
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2007-01-14 14:35:52 +00:00
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set_gdbarch_adjust_breakpoint_address
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(gdbarch, frv_adjust_breakpoint_address);
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2002-06-21 21:19:58 +00:00
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2004-06-20 17:18:07 +00:00
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set_gdbarch_deprecated_use_struct_convention (gdbarch, always_use_struct_convention);
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2003-11-05 16:44:12 +00:00
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set_gdbarch_extract_return_value (gdbarch, frv_extract_return_value);
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2002-06-21 21:19:58 +00:00
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2003-11-05 16:44:12 +00:00
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set_gdbarch_store_return_value (gdbarch, frv_store_return_value);
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2002-06-21 21:19:58 +00:00
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2003-09-08 23:01:29 +00:00
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/* Frame stuff. */
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set_gdbarch_unwind_pc (gdbarch, frv_unwind_pc);
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set_gdbarch_unwind_sp (gdbarch, frv_unwind_sp);
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set_gdbarch_frame_align (gdbarch, frv_frame_align);
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frame_base_set_default (gdbarch, &frv_frame_base);
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2004-03-15 19:42:25 +00:00
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/* We set the sniffer lower down after the OSABI hooks have been
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established. */
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2002-06-21 21:19:58 +00:00
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2003-09-08 23:01:29 +00:00
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/* Settings for calling functions in the inferior. */
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set_gdbarch_push_dummy_call (gdbarch, frv_push_dummy_call);
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set_gdbarch_unwind_dummy_id (gdbarch, frv_unwind_dummy_id);
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2002-06-21 21:19:58 +00:00
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/* Settings that should be unnecessary. */
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set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
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/* Hardware watchpoint / breakpoint support. */
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switch (info.bfd_arch_info->mach)
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{
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case bfd_mach_frv:
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case bfd_mach_frvsimple:
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case bfd_mach_fr500:
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case bfd_mach_frvtomcat:
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/* fr500-style hardware debugging support. */
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var->num_hw_watchpoints = 4;
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var->num_hw_breakpoints = 4;
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break;
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case bfd_mach_fr400:
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2004-03-13 01:24:20 +00:00
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case bfd_mach_fr450:
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2002-06-21 21:19:58 +00:00
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/* fr400-style hardware debugging support. */
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var->num_hw_watchpoints = 2;
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var->num_hw_breakpoints = 4;
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break;
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default:
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/* Otherwise, assume we don't have hardware debugging support. */
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var->num_hw_watchpoints = 0;
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var->num_hw_breakpoints = 0;
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break;
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}
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2003-08-28 03:03:44 +00:00
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set_gdbarch_print_insn (gdbarch, print_insn_frv);
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2004-03-13 00:50:53 +00:00
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if (frv_abi (gdbarch) == FRV_ABI_FDPIC)
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set_gdbarch_convert_from_func_ptr_addr (gdbarch,
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frv_convert_from_func_ptr_addr);
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2003-08-28 03:03:44 +00:00
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2004-03-15 19:42:25 +00:00
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/* Hook in ABI-specific overrides, if they have been registered. */
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gdbarch_init_osabi (info, gdbarch);
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/* Set the fallback (prologue based) frame sniffer. */
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frame_unwind_append_sniffer (gdbarch, frv_frame_sniffer);
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2005-03-31 20:39:14 +00:00
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/* Enable TLS support. */
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set_gdbarch_fetch_tls_load_module_address (gdbarch,
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frv_fetch_objfile_link_map);
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2002-06-21 21:19:58 +00:00
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return gdbarch;
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}
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void
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_initialize_frv_tdep (void)
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{
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register_gdbarch_init (bfd_arch_frv, frv_gdbarch_init);
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}
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