* configure.tgt: Add back sparc-*-vxworks*.
* remote-vxsparc.c: Remove all includes except for "defs.h", "regcache.h", "vx-share/ptrace.h" and "vx-share/regPacket.h". Include "sparc-tdep.h". (SPARC_R_G1): New define. (vxsparc_gregset): New variable. (ext_format_sparc): Remove extern declaration. (vx_read_register): Rewrite to use sparc32_supply_gregset and sparc32_supply_fpregset. (vx_write_register): Rewrite to use sparc32_collect_gregset, sparc_collect_rwindow and sparc32_collect_fpregset. * config/sparc/tm-vxworks.h: New file, based on recently removed tm-vxsparc.h. * config/sparc/vxworks.mt: New file, based on recently removed vxworks.mt.
This commit is contained in:
parent
5e938f9ff1
commit
cb1bf9dc67
5 changed files with 118 additions and 134 deletions
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@ -1,3 +1,21 @@
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2004-01-03 Mark Kettenis <kettenis@gnu.org>
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* configure.tgt: Add back sparc-*-vxworks*.
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* remote-vxsparc.c: Remove all includes except for "defs.h",
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"regcache.h", "vx-share/ptrace.h" and "vx-share/regPacket.h".
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Include "sparc-tdep.h".
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(SPARC_R_G1): New define.
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(vxsparc_gregset): New variable.
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(ext_format_sparc): Remove extern declaration.
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(vx_read_register): Rewrite to use sparc32_supply_gregset and
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sparc32_supply_fpregset.
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(vx_write_register): Rewrite to use sparc32_collect_gregset,
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sparc_collect_rwindow and sparc32_collect_fpregset.
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* config/sparc/tm-vxworks.h: New file, based on recently removed
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tm-vxsparc.h.
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* config/sparc/vxworks.mt: New file, based on recently removed
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vxworks.mt.
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2004-01-03 J. Brobecker <brobecker@gnat.com>
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* infrun.c (handle_step_into_function): New function.
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31
gdb/config/sparc/tm-vxworks.h
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31
gdb/config/sparc/tm-vxworks.h
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@ -0,0 +1,31 @@
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/* Target-dependent defenitions for VxWorks SPARC.
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Copyright 1993, 1999, 2004 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef TM_VXWORKS_H
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#define TM_VXWORKS_H
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#define GDB_MULTI_ARCH GDB_MULTI_ARCH_TM
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/* Get generic VxWorks definitions. */
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#include "config/tm-vxworks.h"
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#endif /* tm-vxworks.h */
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4
gdb/config/sparc/vxworks.mt
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4
gdb/config/sparc/vxworks.mt
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# Target: VxWorks SPARC
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TDEPFILES= sparc-tdep.o \
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remote-vx.o remote-vxsparc.o xdr_ld.o xdr_ptrace.o xdr_rdb.o
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TM_FILE= tm-vxworks.h
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@ -196,6 +196,7 @@ sparc-*-solaris2.[0-6] | sparc-*-solaris2.[0-6].*)
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sparc-*-solaris2* | sparcv9-*-solaris2* | sparc64-*-solaris2*)
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gdb_target=sol2-64
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;;
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sparc-*-vxworks*) gdb_target=vxworks ;;
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sparc-*-*) gdb_target=sparc ;;
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sparc64-*-*) gdb_target=sparc64 ;;
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@ -1,5 +1,4 @@
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/* sparc-dependent portions of the RPC protocol
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used with a VxWorks target
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/* SPARC-specific portions of the RPC protocol for VxWorks.
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Contributed by Wind River Systems.
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@ -20,179 +19,110 @@
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include "defs.h"
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#include "vx-share/regPacket.h"
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#include "frame.h"
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#include "inferior.h"
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#include "target.h"
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#include "gdbcore.h"
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#include "command.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "regcache.h"
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#include "gdb_string.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#ifdef _AIX /* IBM claims "void *malloc()" not char * */
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#define malloc bogon_malloc
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#endif
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#include "sparc-tdep.h"
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#include <rpc/rpc.h>
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#include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */
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#include <netdb.h>
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#include "vx-share/ptrace.h"
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#include "vx-share/xdr_ptrace.h"
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#include "vx-share/xdr_ld.h"
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#include "vx-share/xdr_rdb.h"
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#include "vx-share/dbgRpcLib.h"
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#include "vx-share/regPacket.h"
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/* get rid of value.h if possible */
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#include <value.h>
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#include <symtab.h>
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#define SPARC_R_G1 (SPARC_R_G0 + SPARC_GREG_SIZE)
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/* Flag set if target has fpu */
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const struct sparc_gregset vxsparc_gregset =
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{
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SPARC_R_PSR, /* %psr */
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SPARC_R_PC, /* %pc */
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SPARC_R_NPC, /* %npc */
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SPARC_R_Y, /* %y */
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SPARC_R_WIM, /* %wim */
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SPARC_R_TBR, /* %tbr */
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SPARC_R_G1, /* %g1 */
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SPARC_R_I0 /* %l0 */
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};
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/* Flag set if target has an FPU. */
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extern int target_has_fp;
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/* sparc floating point format descriptor, from "sparc-tdep.c." */
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extern struct ext_format ext_format_sparc;
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/* Generic register read/write routines in remote-vx.c. */
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extern void net_read_registers ();
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extern void net_write_registers ();
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/* Read a register or registers from the VxWorks target.
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REGNO is the register to read, or -1 for all; currently,
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it is ignored. FIXME look at regno to improve efficiency. */
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/* Read a register or registers from the VxWorks target. REGNUM is
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the register to read, or -1 for all; currently, it is ignored.
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FIXME: Look at REGNUM to improve efficiency. */
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void
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vx_read_register (int regno)
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vx_read_register (int regnum)
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{
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char sparc_greg_packet[SPARC_GREG_PLEN];
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char sparc_fpreg_packet[SPARC_FPREG_PLEN];
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struct regcache *regcache = current_regcache;
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char gregs[SPARC_GREG_PLEN];
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char fpregs[SPARC_FPREG_PLEN];
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CORE_ADDR sp;
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/* Get general-purpose registers. When copying values into
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registers [], don't assume that a location in registers []
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is properly aligned for the target data type. */
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net_read_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_GETREGS);
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/* Now copy the register values into registers[].
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Note that this code depends on the ordering of the REGNUMs
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as defined in "tm-sparc.h". */
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bcopy (&sparc_greg_packet[SPARC_R_G0],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (G0_REGNUM)],
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32 * SPARC_GREG_SIZE);
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bcopy (&sparc_greg_packet[SPARC_R_Y],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (Y_REGNUM)], 6 * SPARC_GREG_SIZE);
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/* Now write the local and in registers to the register window spill
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area in the frame. VxWorks does not do this for the active frame
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automatically; it greatly simplifies debugging. */
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sp = extract_unsigned_integer (&deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)],
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DEPRECATED_REGISTER_RAW_SIZE (SP_REGNUM));
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write_memory (sp, &deprecated_registers[DEPRECATED_REGISTER_BYTE (L0_REGNUM)],
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16 * DEPRECATED_REGISTER_RAW_SIZE (L0_REGNUM));
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/* If the target has floating point registers, fetch them.
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Otherwise, zero the floating point register values in
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registers[] for good measure, even though we might not
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need to. */
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/* Get the general-purpose registers. */
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net_read_registers (gregs, SPARC_GREG_PLEN, PTRACE_GETREGS);
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sparc32_supply_gregset (&vxsparc_gregset, regcache, -1, gregs);
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/* If the target has floating-point registers, fetch them.
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Otherwise, zero the floating-point register values in GDB's
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register cache for good measure, even though we might not need
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to. */
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if (target_has_fp)
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{
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net_read_registers (sparc_fpreg_packet, SPARC_FPREG_PLEN,
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PTRACE_GETFPREGS);
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bcopy (&sparc_fpreg_packet[SPARC_R_FP0],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
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32 * SPARC_FPREG_SIZE);
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bcopy (&sparc_fpreg_packet[SPARC_R_FSR],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
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1 * SPARC_FPREG_SIZE);
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}
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net_read_registers (fpregs, SPARC_FPREG_PLEN, PTRACE_GETFPREGS);
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else
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{
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memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
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0, 32 * SPARC_FPREG_SIZE);
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memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
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0, 1 * SPARC_FPREG_SIZE);
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}
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/* Mark the register cache valid. */
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deprecated_registers_fetched ();
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memset (fpregs, 0, SPARC_FPREG_PLEN);
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sparc32_supply_fpregset (regcache, -1, fpregs);
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}
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/* Store a register or registers into the VxWorks target.
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REGNO is the register to store, or -1 for all; currently,
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it is ignored. FIXME look at regno to improve efficiency. */
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/* Store a register or registers into the VxWorks target. REGNUM is
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the register to store, or -1 for all; currently, it is ignored.
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FIXME: Look at REGNUM to improve efficiency. */
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void
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vx_write_register (int regno)
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vx_write_register (int regnum)
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{
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char sparc_greg_packet[SPARC_GREG_PLEN];
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char sparc_fpreg_packet[SPARC_FPREG_PLEN];
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int in_gp_regs;
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int in_fp_regs;
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struct regcache *regcache = current_regcache;
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char gregs[SPARC_GREG_PLEN];
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char fpregs[SPARC_FPREG_PLEN];
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int gregs_p = 1;
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int fpregs_p = 1;
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CORE_ADDR sp;
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/* Store general purpose registers. When copying values from
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registers [], don't assume that a location in registers []
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is properly aligned for the target data type. */
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in_gp_regs = 1;
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in_fp_regs = 1;
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if (regno >= 0)
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if (regnum != -1)
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{
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if ((G0_REGNUM <= regno && regno <= I7_REGNUM)
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|| (Y_REGNUM <= regno && regno <= DEPRECATED_NPC_REGNUM))
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in_fp_regs = 0;
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if ((SPARC_G0_REGNUM <= regnum && regnum <= SPARC_I7_REGNUM)
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|| (SPARC32_Y_REGNUM <= regnum && regnum <= SPARC32_NPC_REGNUM))
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fpregs_p = 0;
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else
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in_gp_regs = 0;
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gregs_p = 0;
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}
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if (in_gp_regs)
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/* Store the general-purpose registers. */
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if (gregs_p)
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{
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bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (G0_REGNUM)],
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&sparc_greg_packet[SPARC_R_G0], 32 * SPARC_GREG_SIZE);
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bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (Y_REGNUM)],
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&sparc_greg_packet[SPARC_R_Y], 6 * SPARC_GREG_SIZE);
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sparc32_collect_gregset (&vxsparc_gregset, regcache, -1, gregs);
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net_write_registers (gregs, SPARC_GREG_PLEN, PTRACE_SETREGS);
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net_write_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_SETREGS);
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/* If this is a local or in register, or we're storing all
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registers, update the register window spill area. */
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if (regno < 0 || (L0_REGNUM <= regno && regno <= I7_REGNUM))
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/* Deal with the stack regs. */
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if (regnum == -1 || regnum == SPARC_SP_REGNUM
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|| (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM))
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{
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sp = extract_unsigned_integer (&deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)],
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DEPRECATED_REGISTER_RAW_SIZE (SP_REGNUM));
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write_memory (sp, &deprecated_registers[DEPRECATED_REGISTER_BYTE (L0_REGNUM)],
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16 * DEPRECATED_REGISTER_RAW_SIZE (L0_REGNUM));
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ULONGEST sp;
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regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM, &sp);
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sparc_collect_rwindow (regcache, sp, regnum);
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}
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}
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/* Store floating point registers if the target has them. */
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if (in_fp_regs && target_has_fp)
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/* Store the floating-point registers if the target has them. */
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if (fpregs_p && target_has_fp)
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{
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bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
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&sparc_fpreg_packet[SPARC_R_FP0], 32 * SPARC_FPREG_SIZE);
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bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
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&sparc_fpreg_packet[SPARC_R_FSR], 1 * SPARC_FPREG_SIZE);
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net_write_registers (sparc_fpreg_packet, SPARC_FPREG_PLEN,
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PTRACE_SETFPREGS);
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sparc32_collect_fpregset (regcache, -1, fpregs);
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net_write_registers (fpregs, SPARC_FPREG_PLEN, PTRACE_SETFPREGS);
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}
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}
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