old-cross-binutils/gdb/remote-vxsparc.c
Andrew Cagney 12c266ea56 2003-10-02 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_REGISTER_RAW_SIZE): Rename
	REGISTER_RAW_SIZE.
	* gdbarch.h, gdbarch.c: Re-generate.
	* aix-thread.c, alpha-tdep.h, arm-tdep.c, core-sol2.c: Update.
	* cris-tdep.c, dve3900-rom.c, findvar.c, frame.c: Update.
	* hppa-tdep.c, hppab-nat.c, hppah-nat.c, hppam3-nat.c: Update.
	* hpux-thread.c, i386gnu-nat.c, ia64-aix-nat.c: Update.
	* ia64-linux-nat.c, ia64-tdep.c, infcmd.c, infptrace.c: Update.
	* infrun.c, irix5-nat.c, lynx-nat.c, mips-linux-tdep.c: Update.
	* mips-nat.c, mips-tdep.c, mipsv4-nat.c, mn10300-tdep.c: Update.
	* monitor.c, ns32k-tdep.c, ppc-linux-nat.c, regcache.c: Update.
	* remote-e7000.c, remote-mips.c, remote-sim.c: Update.
	* remote-vxmips.c, remote-vxsparc.c, remote.c: Update.
	* rom68k-rom.c, rs6000-nat.c, rs6000-tdep.c, s390-tdep.c: Update.
	* sh64-tdep.c, sparc-nat.c, sparc-tdep.c, stack.c: Update.
	* target.c, tracepoint.c, v850-tdep.c, v850ice.c, valops.c: Update.
	* vax-tdep.c, vax-tdep.h, x86-64-tdep.c, xstormy16-tdep.c: Update.
	* config/m68k/tm-delta68.h, config/m68k/tm-vx68.h: Update.
	* config/sparc/tm-sparc.h, config/sparc/tm-sparclynx.h: Update.

2003-10-02  Andrew Cagney  <cagney@redhat.com>

	* gdbint.texinfo (Target Architecture Definition): Rename
	REGISTER_RAW_SIZE to DEPRECATED_REGISTER_RAW_SIZE.
	* gdb.texinfo (Packets, Stop Reply Packets): Ditto.
	* gdbint.texinfo (Target Architecture Definition): Rename

2003-10-02  Andrew Cagney  <cagney@redhat.com>

	* mi-main.c: Rename REGISTER_RAW_SIZE to
	DEPRECATED_REGISTER_RAW_SIZE.
2003-10-02 20:28:31 +00:00

198 lines
6.3 KiB
C

/* sparc-dependent portions of the RPC protocol
used with a VxWorks target
Contributed by Wind River Systems.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "defs.h"
#include "vx-share/regPacket.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
#include "command.h"
#include "symtab.h"
#include "symfile.h"
#include "regcache.h"
#include "gdb_string.h"
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#ifdef _AIX /* IBM claims "void *malloc()" not char * */
#define malloc bogon_malloc
#endif
#include <rpc/rpc.h>
#include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */
#include <netdb.h>
#include "vx-share/ptrace.h"
#include "vx-share/xdr_ptrace.h"
#include "vx-share/xdr_ld.h"
#include "vx-share/xdr_rdb.h"
#include "vx-share/dbgRpcLib.h"
/* get rid of value.h if possible */
#include <value.h>
#include <symtab.h>
/* Flag set if target has fpu */
extern int target_has_fp;
/* sparc floating point format descriptor, from "sparc-tdep.c." */
extern struct ext_format ext_format_sparc;
/* Generic register read/write routines in remote-vx.c. */
extern void net_read_registers ();
extern void net_write_registers ();
/* Read a register or registers from the VxWorks target.
REGNO is the register to read, or -1 for all; currently,
it is ignored. FIXME look at regno to improve efficiency. */
void
vx_read_register (int regno)
{
char sparc_greg_packet[SPARC_GREG_PLEN];
char sparc_fpreg_packet[SPARC_FPREG_PLEN];
CORE_ADDR sp;
/* Get general-purpose registers. When copying values into
registers [], don't assume that a location in registers []
is properly aligned for the target data type. */
net_read_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_GETREGS);
/* Now copy the register values into registers[].
Note that this code depends on the ordering of the REGNUMs
as defined in "tm-sparc.h". */
bcopy (&sparc_greg_packet[SPARC_R_G0],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (G0_REGNUM)],
32 * SPARC_GREG_SIZE);
bcopy (&sparc_greg_packet[SPARC_R_Y],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (Y_REGNUM)], 6 * SPARC_GREG_SIZE);
/* Now write the local and in registers to the register window spill
area in the frame. VxWorks does not do this for the active frame
automatically; it greatly simplifies debugging. */
sp = extract_unsigned_integer (&deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)],
DEPRECATED_REGISTER_RAW_SIZE (SP_REGNUM));
write_memory (sp, &deprecated_registers[DEPRECATED_REGISTER_BYTE (L0_REGNUM)],
16 * DEPRECATED_REGISTER_RAW_SIZE (L0_REGNUM));
/* If the target has floating point registers, fetch them.
Otherwise, zero the floating point register values in
registers[] for good measure, even though we might not
need to. */
if (target_has_fp)
{
net_read_registers (sparc_fpreg_packet, SPARC_FPREG_PLEN,
PTRACE_GETFPREGS);
bcopy (&sparc_fpreg_packet[SPARC_R_FP0],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
32 * SPARC_FPREG_SIZE);
bcopy (&sparc_fpreg_packet[SPARC_R_FSR],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
1 * SPARC_FPREG_SIZE);
}
else
{
memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
0, 32 * SPARC_FPREG_SIZE);
memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
0, 1 * SPARC_FPREG_SIZE);
}
/* Mark the register cache valid. */
deprecated_registers_fetched ();
}
/* Store a register or registers into the VxWorks target.
REGNO is the register to store, or -1 for all; currently,
it is ignored. FIXME look at regno to improve efficiency. */
void
vx_write_register (int regno)
{
char sparc_greg_packet[SPARC_GREG_PLEN];
char sparc_fpreg_packet[SPARC_FPREG_PLEN];
int in_gp_regs;
int in_fp_regs;
CORE_ADDR sp;
/* Store general purpose registers. When copying values from
registers [], don't assume that a location in registers []
is properly aligned for the target data type. */
in_gp_regs = 1;
in_fp_regs = 1;
if (regno >= 0)
{
if ((G0_REGNUM <= regno && regno <= I7_REGNUM)
|| (Y_REGNUM <= regno && regno <= DEPRECATED_NPC_REGNUM))
in_fp_regs = 0;
else
in_gp_regs = 0;
}
if (in_gp_regs)
{
bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (G0_REGNUM)],
&sparc_greg_packet[SPARC_R_G0], 32 * SPARC_GREG_SIZE);
bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (Y_REGNUM)],
&sparc_greg_packet[SPARC_R_Y], 6 * SPARC_GREG_SIZE);
net_write_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_SETREGS);
/* If this is a local or in register, or we're storing all
registers, update the register window spill area. */
if (regno < 0 || (L0_REGNUM <= regno && regno <= I7_REGNUM))
{
sp = extract_unsigned_integer (&deprecated_registers[DEPRECATED_REGISTER_BYTE (SP_REGNUM)],
DEPRECATED_REGISTER_RAW_SIZE (SP_REGNUM));
write_memory (sp, &deprecated_registers[DEPRECATED_REGISTER_BYTE (L0_REGNUM)],
16 * DEPRECATED_REGISTER_RAW_SIZE (L0_REGNUM));
}
}
/* Store floating point registers if the target has them. */
if (in_fp_regs && target_has_fp)
{
bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
&sparc_fpreg_packet[SPARC_R_FP0], 32 * SPARC_FPREG_SIZE);
bcopy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FPS_REGNUM)],
&sparc_fpreg_packet[SPARC_R_FSR], 1 * SPARC_FPREG_SIZE);
net_write_registers (sparc_fpreg_packet, SPARC_FPREG_PLEN,
PTRACE_SETFPREGS);
}
}