/* i80960-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> #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; /* 960 floating point format descriptor, from "i960-tdep.c." */ extern struct ext_format ext_format_i960; /* 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 i960_greg_packet[I960_GREG_PLEN]; char i960_fpreg_packet[I960_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 (i960_greg_packet, I960_GREG_PLEN, PTRACE_GETREGS); bcopy (&i960_greg_packet[I960_R_R0], ®isters[REGISTER_BYTE (R0_REGNUM)], 16 * I960_GREG_SIZE); bcopy (&i960_greg_packet[I960_R_G0], ®isters[REGISTER_BYTE (G0_REGNUM)], 16 * I960_GREG_SIZE); bcopy (&i960_greg_packet[I960_R_PCW], ®isters[REGISTER_BYTE (PCW_REGNUM)], sizeof (int)); bcopy (&i960_greg_packet[I960_R_ACW], ®isters[REGISTER_BYTE (ACW_REGNUM)], sizeof (int)); bcopy (&i960_greg_packet[I960_R_TCW], ®isters[REGISTER_BYTE (TCW_REGNUM)], sizeof (int)); /* 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 (i960_fpreg_packet, I960_FPREG_PLEN, PTRACE_GETFPREGS); bcopy (&i960_fpreg_packet[I960_R_FP0], ®isters[REGISTER_BYTE (FP0_REGNUM)], REGISTER_RAW_SIZE (FP0_REGNUM) * 4); } else bzero (®isters[REGISTER_BYTE (FP0_REGNUM)], REGISTER_RAW_SIZE (FP0_REGNUM) * 4); /* 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 i960_greg_packet[I960_GREG_PLEN]; char i960_fpreg_packet[I960_FPREG_PLEN]; /* Store floating-point 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 (R0_REGNUM)], &i960_greg_packet[I960_R_R0], 16 * I960_GREG_SIZE); bcopy (®isters[REGISTER_BYTE (G0_REGNUM)], &i960_greg_packet[I960_R_G0], 16 * I960_GREG_SIZE); bcopy (®isters[REGISTER_BYTE (PCW_REGNUM)], &i960_greg_packet[I960_R_PCW], sizeof (int)); bcopy (®isters[REGISTER_BYTE (ACW_REGNUM)], &i960_greg_packet[I960_R_ACW], sizeof (int)); bcopy (®isters[REGISTER_BYTE (TCW_REGNUM)], &i960_greg_packet[I960_R_TCW], sizeof (int)); net_write_registers (i960_greg_packet, I960_GREG_PLEN, PTRACE_SETREGS); /* Store floating point registers if the target has them. */ if (target_has_fp) { bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &i960_fpreg_packet[I960_R_FP0], REGISTER_RAW_SIZE (FP0_REGNUM) * 4); net_write_registers (i960_fpreg_packet, I960_FPREG_PLEN, PTRACE_SETFPREGS); } }