1995-04-14 04:03:52 +08:00
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/* sparc-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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1995-08-02 11:41:12 +08:00
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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1995-04-14 04:03:52 +08:00
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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 "wait.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" /* for struct complaint */
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* 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.
1995-08-02 04:14:27 +08:00
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#include "gdb_string.h"
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1995-04-14 04:03:52 +08:00
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#include <errno.h>
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#include <signal.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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#ifdef _AIX /* IBM claims "void *malloc()" not char * */
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#define malloc bogon_malloc
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#endif
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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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/* sparc floating point format descriptor, from "sparc-tdep.c." */
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extern struct ext_format ext_format_sparc;
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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 (regno)
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int regno;
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{
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char sparc_greg_packet[SPARC_GREG_PLEN];
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char sparc_fpreg_packet[SPARC_FPREG_PLEN];
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CORE_ADDR sp;
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/* Get general-purpose registers. When copying values into
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registers [], don't assume that a location in registers []
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is properly aligned for the target data type. */
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net_read_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_GETREGS);
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/* Now copy the register values into registers[].
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Note that this code depends on the ordering of the REGNUMs
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as defined in "tm-sparc.h". */
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bcopy (&sparc_greg_packet[SPARC_R_G0],
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®isters[REGISTER_BYTE (G0_REGNUM)], 32 * SPARC_GREG_SIZE);
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bcopy (&sparc_greg_packet[SPARC_R_Y],
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®isters[REGISTER_BYTE (Y_REGNUM)], 6 * SPARC_GREG_SIZE);
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/* Now write the local and in registers to the register window
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spill area in the frame. VxWorks does not do this for the
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active frame automatically; it greatly simplifies debugging
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(FRAME_FIND_SAVED_REGS, in particular, depends on this). */
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sp = extract_address (®isters[REGISTER_BYTE (SP_REGNUM)],
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REGISTER_RAW_SIZE (CORE_ADDR));
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write_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)],
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16 * REGISTER_RAW_SIZE (L0_REGNUM));
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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 (sparc_fpreg_packet, SPARC_FPREG_PLEN,
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PTRACE_GETFPREGS);
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bcopy (&sparc_fpreg_packet[SPARC_R_FP0],
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®isters[REGISTER_BYTE (FP0_REGNUM)], 32 * SPARC_FPREG_SIZE);
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bcopy (&sparc_fpreg_packet[SPARC_R_FSR],
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®isters[REGISTER_BYTE (FPS_REGNUM)], 1 * SPARC_FPREG_SIZE);
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}
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else
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{
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bzero (®isters[REGISTER_BYTE (FP0_REGNUM)], 32 * SPARC_FPREG_SIZE);
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bzero (®isters[REGISTER_BYTE (FPS_REGNUM)], 1 * SPARC_FPREG_SIZE);
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}
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/* Mark the register cache valid. */
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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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void
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vx_write_register (regno)
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int regno;
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{
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char sparc_greg_packet[SPARC_GREG_PLEN];
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char sparc_fpreg_packet[SPARC_FPREG_PLEN];
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int in_gp_regs;
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int in_fp_regs;
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CORE_ADDR sp;
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/* Store general purpose registers. When copying values from
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registers [], don't assume that a location in registers []
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is properly aligned for the target data type. */
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in_gp_regs = 1;
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in_fp_regs = 1;
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if (regno >= 0)
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{
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if ((G0_REGNUM <= regno && regno <= I7_REGNUM)
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|| (Y_REGNUM <= regno && regno <= NPC_REGNUM))
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in_fp_regs = 0;
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else
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in_gp_regs = 0;
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}
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if (in_gp_regs)
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{
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bcopy (®isters[REGISTER_BYTE (G0_REGNUM)],
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&sparc_greg_packet[SPARC_R_G0], 32 * SPARC_GREG_SIZE);
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bcopy (®isters[REGISTER_BYTE (Y_REGNUM)],
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&sparc_greg_packet[SPARC_R_Y], 6 * SPARC_GREG_SIZE);
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net_write_registers (sparc_greg_packet, SPARC_GREG_PLEN, PTRACE_SETREGS);
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/* If this is a local or in register, or we're storing all
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registers, update the register window spill area. */
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if (regno < 0 || (L0_REGNUM <= regno && regno <= I7_REGNUM))
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{
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sp = extract_address (®isters[REGISTER_BYTE (SP_REGNUM)],
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REGISTER_RAW_SIZE (CORE_ADDR));
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write_memory (sp, ®isters[REGISTER_BYTE (L0_REGNUM)],
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16 * REGISTER_RAW_SIZE (L0_REGNUM));
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}
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}
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/* Store floating point registers if the target has them. */
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if (in_fp_regs && target_has_fp)
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{
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bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)],
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&sparc_fpreg_packet[SPARC_R_FP0], 32 * SPARC_FPREG_SIZE);
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bcopy (®isters[REGISTER_BYTE (FPS_REGNUM)],
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&sparc_fpreg_packet[SPARC_R_FSR], 1 * SPARC_FPREG_SIZE);
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net_write_registers (sparc_fpreg_packet, SPARC_FPREG_PLEN,
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PTRACE_SETFPREGS);
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}
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}
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