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-rw-r--r--gdb/remote-vx68.c158
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diff --git a/gdb/remote-vx68.c b/gdb/remote-vx68.c
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+/* 68k-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 "wait.h"
+#include "target.h"
+#include "gdbcore.h"
+#include "command.h"
+#include "symtab.h"
+#include "symfile.h" /* for struct complaint */
+
+#include "gdb_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>
+
+#ifdef _AIX
+#undef malloc
+#endif
+
+#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 mc68k_greg_packet[MC68K_GREG_PLEN];
+ char mc68k_fpreg_packet[MC68K_FPREG_PLEN];
+
+ /* Get general-purpose registers. */
+
+ net_read_registers (mc68k_greg_packet, MC68K_GREG_PLEN, PTRACE_GETREGS);
+
+ bcopy (&mc68k_greg_packet[MC68K_R_D0], registers, 16 * MC68K_GREG_SIZE);
+ bcopy (&mc68k_greg_packet[MC68K_R_SR], &registers[REGISTER_BYTE (PS_REGNUM)],
+ MC68K_GREG_SIZE);
+ bcopy (&mc68k_greg_packet[MC68K_R_PC], &registers[REGISTER_BYTE (PC_REGNUM)],
+ MC68K_GREG_SIZE);
+
+ /* Get floating-point registers, if the target system has them.
+ Otherwise, zero them. */
+
+ if (target_has_fp)
+ {
+ net_read_registers (mc68k_fpreg_packet, MC68K_FPREG_PLEN,
+ PTRACE_GETFPREGS);
+
+ bcopy (&mc68k_fpreg_packet[MC68K_R_FP0],
+ &registers[REGISTER_BYTE (FP0_REGNUM)],
+ MC68K_FPREG_SIZE * 8);
+ bcopy (&mc68k_fpreg_packet[MC68K_R_FPCR],
+ &registers[REGISTER_BYTE (FPC_REGNUM)],
+ MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
+ }
+ else
+ {
+ bzero (&registers[REGISTER_BYTE (FP0_REGNUM)],
+ MC68K_FPREG_SIZE * 8);
+ bzero (&registers[REGISTER_BYTE (FPC_REGNUM)],
+ MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
+ }
+
+ /* 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 mc68k_greg_packet[MC68K_GREG_PLEN];
+ char mc68k_fpreg_packet[MC68K_FPREG_PLEN];
+
+ /* Store general-purpose registers. */
+
+ bcopy (registers, &mc68k_greg_packet[MC68K_R_D0], 16 * MC68K_GREG_SIZE);
+ bcopy (&registers[REGISTER_BYTE (PS_REGNUM)],
+ &mc68k_greg_packet[MC68K_R_SR], MC68K_GREG_SIZE);
+ bcopy (&registers[REGISTER_BYTE (PC_REGNUM)],
+ &mc68k_greg_packet[MC68K_R_PC], MC68K_GREG_SIZE);
+
+ net_write_registers (mc68k_greg_packet, MC68K_GREG_PLEN, PTRACE_SETREGS);
+
+ /* Store floating point registers if the target has them. */
+
+ if (target_has_fp)
+ {
+ bcopy (&registers[REGISTER_BYTE (FP0_REGNUM)],
+ &mc68k_fpreg_packet[MC68K_R_FP0],
+ MC68K_FPREG_SIZE * 8);
+ bcopy (&registers[REGISTER_BYTE (FPC_REGNUM)],
+ &mc68k_fpreg_packet[MC68K_R_FPCR],
+ MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
+
+ net_write_registers (mc68k_fpreg_packet, MC68K_FPREG_PLEN,
+ PTRACE_SETFPREGS);
+ }
+}