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3acba33923
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.
210 lines
6.7 KiB
C
210 lines
6.7 KiB
C
/* MIPS-dependent portions of the RPC protocol
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used with a VxWorks target
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Contributed by Wind River Systems.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <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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#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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/* 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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/* Flag set if target has fpu */
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extern int target_has_fp;
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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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void
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vx_read_register (int regno)
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{
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char mips_greg_packet[MIPS_GREG_PLEN];
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char mips_fpreg_packet[MIPS_FPREG_PLEN];
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/* Get general-purpose registers. */
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net_read_registers (mips_greg_packet, MIPS_GREG_PLEN, PTRACE_GETREGS);
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/* this code copies the registers obtained by RPC
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stored in a structure(s) like this :
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Register(s) Offset(s)
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gp 0-31 0x00
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hi 0x80
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lo 0x84
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sr 0x88
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pc 0x8c
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into a stucture like this:
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0x00 GP 0-31
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0x80 SR
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0x84 LO
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0x88 HI
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0x8C BAD --- Not available currently
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0x90 CAUSE --- Not available currently
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0x94 PC
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0x98 FP 0-31
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0x118 FCSR
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0x11C FIR --- Not available currently
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0x120 FP --- Not available currently
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structure is 0x124 (292) bytes in length */
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/* Copy the general registers. */
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memcpy (&deprecated_registers[0], &mips_greg_packet[MIPS_R_GP0],
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32 * MIPS_GREG_SIZE);
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/* Copy SR, LO, HI, and PC. */
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
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&mips_greg_packet[MIPS_R_SR],
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MIPS_GREG_SIZE);
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],
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&mips_greg_packet[MIPS_R_LO],
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MIPS_GREG_SIZE);
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->hi)],
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&mips_greg_packet[MIPS_R_HI],
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MIPS_GREG_SIZE);
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->pc)],
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&mips_greg_packet[MIPS_R_PC],
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MIPS_GREG_SIZE);
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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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if (target_has_fp)
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{
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net_read_registers (mips_fpreg_packet, MIPS_FPREG_PLEN,
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PTRACE_GETFPREGS);
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/* Copy the floating point registers. */
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
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&mips_fpreg_packet[MIPS_R_FP0],
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register_size (current_gdbarch, FP0_REGNUM) * 32);
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/* Copy the floating point control/status register (fpcsr). */
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memcpy (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
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&mips_fpreg_packet[MIPS_R_FPCSR],
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register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
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}
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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, register_size (current_gdbarch, FP0_REGNUM) * 32);
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memset (&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
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0, register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
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}
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/* Mark the register cache valid. */
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deprecated_registers_fetched ();
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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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vx_write_register (int regno)
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{
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char mips_greg_packet[MIPS_GREG_PLEN];
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char mips_fpreg_packet[MIPS_FPREG_PLEN];
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/* Store general registers. */
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memcpy (&mips_greg_packet[MIPS_R_GP0], &deprecated_registers[0],
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32 * MIPS_GREG_SIZE);
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/* Copy SR, LO, HI, and PC. */
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memcpy (&mips_greg_packet[MIPS_R_SR],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (PS_REGNUM)],
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MIPS_GREG_SIZE);
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memcpy (&mips_greg_packet[MIPS_R_LO],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->lo)],
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MIPS_GREG_SIZE);
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memcpy (&mips_greg_packet[MIPS_R_HI],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->hi)],
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MIPS_GREG_SIZE);
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memcpy (&mips_greg_packet[MIPS_R_PC],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->pc)],
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MIPS_GREG_SIZE);
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net_write_registers (mips_greg_packet, MIPS_GREG_PLEN, PTRACE_SETREGS);
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/* Store floating point registers if the target has them. */
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if (target_has_fp)
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{
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/* Copy the floating point data registers. */
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memcpy (&mips_fpreg_packet[MIPS_R_FP0],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (FP0_REGNUM)],
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register_size (current_gdbarch, FP0_REGNUM) * 32);
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/* Copy the floating point control/status register (fpcsr). */
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memcpy (&mips_fpreg_packet[MIPS_R_FPCSR],
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&deprecated_registers[DEPRECATED_REGISTER_BYTE (mips_regnum (current_gdbarch)->fp_control_status)],
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register_size (current_gdbarch, mips_regnum (current_gdbarch)->fp_control_status));
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net_write_registers (mips_fpreg_packet, MIPS_FPREG_PLEN,
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PTRACE_SETFPREGS);
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}
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}
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