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- /* Am29k-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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <stdio.h>
- #include "defs.h"
-
- #include "vx-share/regPacket.h"
- #include "frame.h"
- #include "inferior.h"
- #include "wait.h"
- #include "target.h"
- #include "gdbcore.h"
- #include "command.h"
- #include "symtab.h"
- #include "symfile.h" /* for struct complaint */
-
- #include <string.h>
- #include <errno.h>
- #include <signal.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;
-
- /* 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 (regno)
- int regno;
- {
- char am29k_greg_packet[AM29K_GREG_PLEN];
- char am29k_fpreg_packet[AM29K_FPREG_PLEN];
-
- /* 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 (am29k_greg_packet, AM29K_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-29k.h". */
-
- bcopy (&am29k_greg_packet[AM29K_R_GR96],
- ®isters[REGISTER_BYTE (GR96_REGNUM)], 160 * AM29K_GREG_SIZE);
- bcopy (&am29k_greg_packet[AM29K_R_VAB],
- ®isters[REGISTER_BYTE (VAB_REGNUM)], 15 * AM29K_GREG_SIZE);
- registers[REGISTER_BYTE (INTE_REGNUM)] = am29k_greg_packet[AM29K_R_INTE];
- bcopy (&am29k_greg_packet[AM29K_R_RSP],
- ®isters[REGISTER_BYTE (GR1_REGNUM)], 5 * AM29K_GREG_SIZE);
-
- /* PAD For now, don't care about exop register */
-
- bzero (®isters[REGISTER_BYTE (EXO_REGNUM)], 1 * AM29K_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 (am29k_fpreg_packet, AM29K_FPREG_PLEN,
- PTRACE_GETFPREGS);
- registers[REGISTER_BYTE (FPE_REGNUM)] = am29k_fpreg_packet[AM29K_R_FPE];
- registers[REGISTER_BYTE (FPS_REGNUM)] = am29k_fpreg_packet[AM29K_R_FPS];
-
- /* PAD For now, don't care about registers (?) AI0 to q */
-
- bzero (®isters[REGISTER_BYTE (161)], 21 * AM29K_FPREG_SIZE);
- }
- else
- {
- bzero (®isters[REGISTER_BYTE (FPE_REGNUM)], 1 * AM29K_FPREG_SIZE);
- bzero (®isters[REGISTER_BYTE (FPS_REGNUM)], 1 * AM29K_FPREG_SIZE);
-
- /* PAD For now, don't care about registers (?) AI0 to q */
-
- bzero (®isters[REGISTER_BYTE (161)], 21 * AM29K_FPREG_SIZE);
- }
-
- /* Mark the register cache valid. */
-
- 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 (regno)
- int regno;
- {
- char am29k_greg_packet[AM29K_GREG_PLEN];
- char am29k_fpreg_packet[AM29K_FPREG_PLEN];
-
- /* 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. */
-
- bcopy (®isters[REGISTER_BYTE (GR96_REGNUM)],
- &am29k_greg_packet[AM29K_R_GR96], 160 * AM29K_GREG_SIZE);
- bcopy (®isters[REGISTER_BYTE (VAB_REGNUM)],
- &am29k_greg_packet[AM29K_R_VAB], 15 * AM29K_GREG_SIZE);
- am29k_greg_packet[AM29K_R_INTE] = registers[REGISTER_BYTE (INTE_REGNUM)];
- bcopy (®isters[REGISTER_BYTE (GR1_REGNUM)],
- &am29k_greg_packet[AM29K_R_RSP], 5 * AM29K_GREG_SIZE);
-
- net_write_registers (am29k_greg_packet, AM29K_GREG_PLEN, PTRACE_SETREGS);
-
- /* Store floating point registers if the target has them. */
-
- if (target_has_fp)
- {
- am29k_fpreg_packet[AM29K_R_FPE] = registers[REGISTER_BYTE (FPE_REGNUM)];
- am29k_fpreg_packet[AM29K_R_FPS] = registers[REGISTER_BYTE (FPS_REGNUM)];
-
- net_write_registers (am29k_fpreg_packet, AM29K_FPREG_PLEN,
- PTRACE_SETFPREGS);
- }
- }
-
-