darling-gdb/gdb/remote-vxmips.c
Andrew Cagney 3acba33923 2004-08-02 Andrew Cagney <cagney@gnu.org>
Replace DEPRECATED_REGISTER_RAW_SIZE with register_size.
	* rs6000-tdep.c (rs6000_push_dummy_call)
	(rs6000_extract_return_value): Use register_size.
	* xstormy16-tdep.c (xstormy16_get_saved_register)
	(xstormy16_extract_return_value): Ditto.
	* valops.c (value_assign): Ditto.
	* v850ice.c (v850ice_fetch_registers, v850ice_store_registers):
	* v850-tdep.c (v850_extract_return_value): Ditto.
	* tracepoint.c (collect_symbol): Ditto.
	* target.c (debug_print_register): Ditto.
	* stack.c (frame_info): Ditto.
	* rs6000-nat.c (ARCH64, fetch_register, store_register): Ditto.
	* rom68k-rom.c (rom68k_supply_one_register): Ditto.
	* remote.c (struct packet_reg, remote_wait, remote_async_wait)
	(store_register_using_P): Ditto.
	* remote-vxmips.c (vx_read_register, vx_write_register): Ditto.
	* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register): Ditto.
	* remote-mips.c (mips_wait, mips_fetch_registers): Ditto.
	* remote-e7000.c (fetch_regs_from_dump, sub2_from_pc): Ditto.
	* regcache.c (deprecated_read_register_bytes)
	(deprecated_write_register_bytes, read_register)
	(write_register): Ditto.
	* ppc-linux-nat.c (fetch_altivec_register, fetch_register)
	(supply_vrregset, store_altivec_register, fill_vrregset): Ditto.
	* monitor.c (monitor_supply_register, monitor_fetch_register)
	(monitor_store_register): Ditto.
	* mn10300-tdep.c (mn10300_pop_frame_regular)
	(mn10300_print_register): Ditto.
	* mipsv4-nat.c (fill_fpregset): Ditto.
	* mips-linux-tdep.c (supply_32bit_reg, fill_fpregset)
	(mips64_fill_fpregset): Ditto.
	* mi/mi-main.c (register_changed_p, get_register)
	(mi_cmd_data_write_register_values): Ditto.
	* lynx-nat.c (fetch_inferior_registers, store_inferior_registers):
	* irix5-nat.c (fill_gregset, fetch_core_registers):
	* infrun.c (write_inferior_status_register): Ditto.
	* infptrace.c (fetch_register, store_register): Ditto.
	* infcmd.c (default_print_registers_info): Ditto.
	* ia64-linux-nat.c (COPY_REG, fill_fpregset): Ditto.
	* ia64-aix-nat.c (COPY_REG, fill_gregset): Ditto.
	* i386gnu-nat.c (gnu_store_registers, fill): Ditto.
	* hpux-thread.c (hpux_thread_fetch_registers)
	(hpux_thread_store_registers): Ditto.
	* hppah-nat.c (store_inferior_registers, fetch_register):
	* findvar.c (value_from_register): Ditto.
	* dve3900-rom.c (fetch_bitmapped_register):
	* cris-tdep.c (cris_gdbarch_init): Ditto.
	* alpha-tdep.h: Ditto.
	* aix-thread.c (pd_enable, fill_sprs64, fill_sprs32): Ditto.
2004-08-03 00:57:27 +00:00

210 lines
6.7 KiB
C

/* MIPS-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>
#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;
/* 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 mips_greg_packet[MIPS_GREG_PLEN];
char mips_fpreg_packet[MIPS_FPREG_PLEN];
/* Get general-purpose registers. */
net_read_registers (mips_greg_packet, MIPS_GREG_PLEN, PTRACE_GETREGS);
/* this code copies the registers obtained by RPC
stored in a structure(s) like this :
Register(s) Offset(s)
gp 0-31 0x00
hi 0x80
lo 0x84
sr 0x88
pc 0x8c
into a stucture like this:
0x00 GP 0-31
0x80 SR
0x84 LO
0x88 HI
0x8C BAD --- Not available currently
0x90 CAUSE --- Not available currently
0x94 PC
0x98 FP 0-31
0x118 FCSR
0x11C FIR --- Not available currently
0x120 FP --- Not available currently
structure is 0x124 (292) bytes in length */
/* Copy the general registers. */
memcpy (&deprecated_registers[0], &mips_greg_packet[MIPS_R_GP0],
32 * MIPS_GREG_SIZE);
/* Copy SR, LO, HI, and PC. */
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
&mips_greg_packet[MIPS_R_SR],
MIPS_GREG_SIZE);
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],
&mips_greg_packet[MIPS_R_LO],
MIPS_GREG_SIZE);
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->hi)],
&mips_greg_packet[MIPS_R_HI],
MIPS_GREG_SIZE);
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->pc)],
&mips_greg_packet[MIPS_R_PC],
MIPS_GREG_SIZE);
/* 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 (mips_fpreg_packet, MIPS_FPREG_PLEN,
PTRACE_GETFPREGS);
/* Copy the floating point registers. */
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
&mips_fpreg_packet[MIPS_R_FP0],
register_size (current_gdbarch, FP0_REGNUM) * 32);
/* Copy the floating point control/status register (fpcsr). */
memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
&mips_fpreg_packet[MIPS_R_FPCSR],
register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
}
else
{
memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
0, register_size (current_gdbarch, FP0_REGNUM) * 32);
memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
0, register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
}
/* 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. */
vx_write_register (int regno)
{
char mips_greg_packet[MIPS_GREG_PLEN];
char mips_fpreg_packet[MIPS_FPREG_PLEN];
/* Store general registers. */
memcpy (&mips_greg_packet[MIPS_R_GP0], &deprecated_registers[0],
32 * MIPS_GREG_SIZE);
/* Copy SR, LO, HI, and PC. */
memcpy (&mips_greg_packet[MIPS_R_SR],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
MIPS_GREG_SIZE);
memcpy (&mips_greg_packet[MIPS_R_LO],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],
MIPS_GREG_SIZE);
memcpy (&mips_greg_packet[MIPS_R_HI],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->hi)],
MIPS_GREG_SIZE);
memcpy (&mips_greg_packet[MIPS_R_PC],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->pc)],
MIPS_GREG_SIZE);
net_write_registers (mips_greg_packet, MIPS_GREG_PLEN, PTRACE_SETREGS);
/* Store floating point registers if the target has them. */
if (target_has_fp)
{
/* Copy the floating point data registers. */
memcpy (&mips_fpreg_packet[MIPS_R_FP0],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
register_size (current_gdbarch, FP0_REGNUM) * 32);
/* Copy the floating point control/status register (fpcsr). */
memcpy (&mips_fpreg_packet[MIPS_R_FPCSR],
&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
net_write_registers (mips_fpreg_packet, MIPS_FPREG_PLEN,
PTRACE_SETFPREGS);
}
}