binutils-gdb/gdb/remote-vx960.c

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/* 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
1995-08-02 05:41:12 +02:00
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 */
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
#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],
&registers[REGISTER_BYTE (R0_REGNUM)], 16 * I960_GREG_SIZE);
bcopy (&i960_greg_packet[I960_R_G0],
&registers[REGISTER_BYTE (G0_REGNUM)], 16 * I960_GREG_SIZE);
bcopy (&i960_greg_packet[I960_R_PCW],
&registers[REGISTER_BYTE (PCW_REGNUM)], sizeof (int));
bcopy (&i960_greg_packet[I960_R_ACW],
&registers[REGISTER_BYTE (ACW_REGNUM)], sizeof (int));
bcopy (&i960_greg_packet[I960_R_TCW],
&registers[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],
&registers[REGISTER_BYTE (FP0_REGNUM)],
REGISTER_RAW_SIZE (FP0_REGNUM) * 4);
}
else
bzero (&registers[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 (&registers[REGISTER_BYTE (R0_REGNUM)],
&i960_greg_packet[I960_R_R0], 16 * I960_GREG_SIZE);
bcopy (&registers[REGISTER_BYTE (G0_REGNUM)],
&i960_greg_packet[I960_R_G0], 16 * I960_GREG_SIZE);
bcopy (&registers[REGISTER_BYTE (PCW_REGNUM)],
&i960_greg_packet[I960_R_PCW], sizeof (int));
bcopy (&registers[REGISTER_BYTE (ACW_REGNUM)],
&i960_greg_packet[I960_R_ACW], sizeof (int));
bcopy (&registers[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 (&registers[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);
}
}