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More LynxOS support

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This commit is contained in:
Stan Shebs 1993-10-30 00:16:25 +00:00
parent 762df61d4c
commit 9bebe50081
22 changed files with 993 additions and 32 deletions
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27
gdb/ChangeLog
View file

@ -1,3 +1,30 @@
Fri Oct 29 16:30:36 1993 Stan Shebs (shebs@rtl.cygnus.com)
LynxOS support:
* configure.in: Change *-*-lynx* to *-*-lynxos*, add
sparc-*-lynxos*.
* Makefile.in (ALLDEPFILES): Add m68kly-nat.c, sparcly-nat.c.
Rename i386lynx-nat.[co] to i386ly-nat.[co].
(ALLCONFIG): Add config/{m68k,sparc}/{m68k,sparc}lynx.m[ht].
(m68kly-nat.o, sparcly-nat.o): Add rules.
* i386ly-tdep.c: Cosmetics.
* i386lynx-nat.c: Removed.
* i386ly-nat.c: New file, was i386lynx-nat.c.
* m68kly-nat.c: New file.
* sparcly-nat.c: New file.
* config/xm-lynx.h: New file, cpu-independent host info.
* config/i386/i386lynx.mh: Changes for consistency.
* config/i386/i386lynx.mt: Ditto.
* config/i386/tm-i386lynx.h: Ditto.
* config/i386/nm-i386lynx.h: Ditto.
* config/i386/xm-i386lynx.h: Include config/xm-lynx.h.
* config/m68k/m68klynx.mh, config/m68k/m68klynx.mt,
config/m68k/tm-m68klynx.h, config/m68k/nm-m68klynx.h,
config/m68k/xm-m68klynx.h: New files, M68K LynxOS support.
* config/sparc/sparclynx.mh, config/sparc/sparclynx.mt,
config/sparc/tm-sparclynx.h, config/sparc/nm-sparclynx.h,
config/sparc/xm-sparclynx.h: New files, Sparc LynxOS support.
Fri Oct 29 08:11:29 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
* defs.h, findvar.c (extract_floating, store_floating): New functions.

6
gdb/config/i386/i386lynx.mh
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@ -1,8 +1,8 @@
# Host: Intel 386 running Lynx
XDEPFILES=
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386lynx-nat.o
# Host: Intel 386 running LynxOS
XM_FILE= xm-i386lynx.h
XDEPFILES=
NAT_FILE= nm-i386lynx.h
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386ly-nat.o
REGEX=regex.o
REGEX1=regex.o
GDBSERVER_LIBS= -lbsd

2
gdb/config/i386/i386lynx.mt
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@ -1,3 +1,3 @@
# Target: Intel 386 running Lynx
# Target: Intel 386 running LynxOS
TDEPFILES= exec.o coff-solib.o i386-tdep.o i386-pinsn.o i386ly-tdep.o
TM_FILE= tm-i386lynx.h

11
gdb/config/i386/nm-i386lynx.h
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@ -1,5 +1,5 @@
/* Native-dependent definitions for Intel 386 running Lynx, for GDB.
Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
/* Native-dependent definitions for Intel 386 running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
@ -31,8 +31,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/proc.h>
#include "thread.h"
/* This is the amount to subtract from u.u_ar0
to get the offset in the core file of the register values. */
/* This is the amount to subtract from u.u_ar0 to get the offset in
the core file of the register values. */
#define KERNEL_U_ADDR USRSTACK
@ -54,7 +54,8 @@ i386_register_u_addr PARAMS ((int, int));
#define WIFTID(x) (((union wait *)&x)->w_tid)
#define CHILD_WAIT
extern int child_wait PARAMS ((int *status));
extern int child_wait PARAMS ((int pid, int *status));
/* Lynx needs a special definition of this so that we can
print out the pid and thread number seperatly. */

4
gdb/config/i386/tm-i386lynx.h
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@ -1,5 +1,5 @@
/* Macro definitions for i386 running under BSD Unix.
Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
/* Macro definitions for Intel 386 running under LynxOS.
Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.

17
gdb/config/i386/xm-i386lynx.h
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@ -1,5 +1,5 @@
/* Host-dependent definitions for Intel 386 running Lynx, for GDB.
Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
/* Host-dependent definitions for Intel 386 running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.
@ -19,15 +19,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define HOST_BYTE_ORDER LITTLE_ENDIAN
#include <limits.h> /* for INT_MIN, to avoid "INT_MIN
redefined" warnings from defs.h */
/* Get generic LynxOS host definitions. */
/* psignal() is in <signal.h>. */
#define PSIGNAL_IN_SIGNAL_H
/* Get rid of any system-imposed stack limit if possible. */
#define SET_STACK_LIMIT_HUGE
#define MEM_FNS_DECLARED
#include "xm-lynx.h"

9
gdb/config/m68k/m68klynx.mh Normal file
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@ -0,0 +1,9 @@
# Host: Motorola 680x0 running LynxOS
XM_FILE= xm-m68klynx.h
XDEPFILES=
NAT_FILE= nm-m68klynx.h
NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o corelow.o m68kly-nat.o
REGEX=regex.o
REGEX1=regex.o
GDBSERVER_LIBS= -lbsd
GDBSERVER_DEPFILES= low-lynx.o

4
gdb/config/m68k/m68klynx.mt Normal file
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@ -0,0 +1,4 @@
# Target: Motorola 680x0 running LynxOS
TDEPFILES= exec.o coff-solib.o m68k-tdep.o m68k-pinsn.o
# m68kly-tdep.o
TM_FILE= tm-m68klynx.h

65
gdb/config/m68k/nm-m68klynx.h Normal file
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@ -0,0 +1,65 @@
/* Native-dependent definitions for Motorola 680x0 running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
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. */
#ifndef NM_M68KLYNX_H
#define NM_M68KLYNX_H
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/mem.h>
#include <sys/signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/itimer.h>
#include <sys/file.h>
#include <sys/proc.h>
#include "thread.h"
/* This is the amount to subtract from u.u_ar0 to get the offset in
the core file of the register values. */
#define KERNEL_U_ADDR USRSTACK
#undef FLOAT_INFO /* No float info yet */
#define PTRACE_ARG3_TYPE char*
/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
#define FETCH_INFERIOR_REGISTERS
/* Thread ID of stopped thread. */
#define WIFTID(x) (((union wait *)&x)->w_tid)
#define CHILD_WAIT
extern int child_wait PARAMS ((int pid, int *status));
#if 0 /* need a sparclynx-nat.c to define this */
/* Lynx needs a special definition of this so that we can
print out the pid and thread number seperatly. */
#undef target_pid_to_str
#define target_pid_to_str(PID) m68klynx_pid_to_str (PID)
extern char *m68klynx_pid_to_str PARAMS ((int pid));
#endif
#endif /* NM_M68KLYNX_H */

31
gdb/config/m68k/tm-m68klynx.h Normal file
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@ -0,0 +1,31 @@
/* Macro definitions for Motorola 680x0 running under LynxOS.
Copyright 1993 Free Software Foundation, Inc.
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. */
#ifndef TM_M68KLYNX_H
#define TM_M68KLYNX_H
/* Use the generic 68k definitions. */
#include "m68k/tm-m68k.h"
/* Include COFF shared library support. */
#include "coff-solib.h"
#endif /* TM_M68KLYNX_H */

24
gdb/config/m68k/xm-m68klynx.h Normal file
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@ -0,0 +1,24 @@
/* Host-dependent definitions for Motorola 680x0 running LynxOS, for GDB.
Copyright 1993 Free Software Foundation, Inc.
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. */
#define HOST_BYTE_ORDER BIG_ENDIAN
/* Get generic LynxOS host definitions. */
#include "xm-lynx.h"

64
gdb/config/sparc/nm-sparclynx.h Normal file
View file

@ -0,0 +1,64 @@
/* Native-dependent definitions for Sparc running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
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. */
#ifndef NM_SPARCLYNX_H
#define NM_SPARCLYNX_H
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/mem.h>
#include <sys/signal.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/itimer.h>
#include <sys/file.h>
#include <sys/proc.h>
#include "thread.h"
/* This is the amount to subtract from u.u_ar0 to get the offset in
the core file of the register values. */
#define KERNEL_U_ADDR USRSTACK
#undef FLOAT_INFO /* No float info yet */
#define PTRACE_ARG3_TYPE char*
/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
#define FETCH_INFERIOR_REGISTERS
/* Thread ID of stopped thread. */
#define WIFTID(x) (((union wait *)&x)->w_tid)
#define CHILD_WAIT
extern int child_wait PARAMS ((int pid, int *status));
#if 0 /* need sparcly-nat.c to define this */
/* Lynx needs a special definition of this so that we can
print out the pid and thread number seperatly. */
#undef target_pid_to_str
#define target_pid_to_str(PID) sparclynx_pid_to_str (PID)
extern char *sparclynx_pid_to_str PARAMS ((int pid));
#endif
#endif /* NM_SPARCLYNX_H */

9
gdb/config/sparc/sparclynx.mh Normal file
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@ -0,0 +1,9 @@
# Host: Sparc running LynxOS
XM_FILE= xm-sparclynx.h
XDEPFILES=
NAT_FILE= nm-sparclynx.h
NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o sparcly-nat.o
REGEX=regex.o
REGEX1=regex.o
GDBSERVER_LIBS= -lbsd
GDBSERVER_DEPFILES= low-lynx.o

3
gdb/config/sparc/sparclynx.mt Normal file
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@ -0,0 +1,3 @@
# Target: Sparc running LynxOS
TDEPFILES= exec.o coff-solib.o sparc-tdep.o sparc-pinsn.o
TM_FILE= tm-sparclynx.h

31
gdb/config/sparc/tm-sparclynx.h Normal file
View file

@ -0,0 +1,31 @@
/* Macro definitions for Sparc running under LynxOS.
Copyright 1993 Free Software Foundation, Inc.
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. */
#ifndef TM_SPARCLYNX_H
#define TM_SPARCLYNX_H
/* Use generic Sparc definitions. */
#include "sparc/tm-sparc.h"
/* Include COFF shared library support. */
#include "coff-solib.h"
#endif /* TM_SPARCLYNX_H */

24
gdb/config/sparc/xm-sparclynx.h Normal file
View file

@ -0,0 +1,24 @@
/* Host-dependent definitions for Sparc running LynxOS, for GDB.
Copyright 1993 Free Software Foundation, Inc.
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. */
#define HOST_BYTE_ORDER BIG_ENDIAN
/* Get generic LynxOS host definitions. */
#include "xm-lynx.h"

32
gdb/config/xm-lynx.h Normal file
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@ -0,0 +1,32 @@
/* Host-dependent definitions for any CPU running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
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. */
/* for INT_MIN, to avoid "INT_MIN redefined" warnings from defs.h */
#include <limits.h>
/* psignal() is in <signal.h>. */
#define PSIGNAL_IN_SIGNAL_H
/* Get rid of any system-imposed stack limit if possible. */
#define SET_STACK_LIMIT_HUGE
#define MEM_FNS_DECLARED

12
gdb/configure.in
View file

@ -44,7 +44,7 @@ i[34]86-*-bsd*) gdb_host=i386bsd ;;
i[34]86-*-netbsd*) gdb_host=i386bsd ;;
i[34]86-*-go32*) gdb_host=go32 ;;
i[34]86-*-linux*) gdb_host=linux ;;
i[34]86-*-lynx*) gdb_host=i386lynx ;;
i[34]86-*-lynxos*) gdb_host=i386lynx ;;
# Obsolete I suspect
# i[34]86-*-mach) gdb_host=i386mach ;;
i[34]86-*-mach*) gdb_host=i386m3 ;;
@ -71,6 +71,7 @@ m68*-cbm-sysv4*) gdb_host=amix ;;
m68*-hp-bsd*) gdb_host=hp300bsd ;;
m68*-hp-hpux*) gdb_host=hp300hpux ;;
m68*-isi-*) gdb_host=isi ;;
m68*-*-lynxos*) gdb_host=m68klynx ;;
m68*-motorola-*) gdb_host=delta68 ;;
m68*-sony-*) gdb_host=news ;;
m68*-sun-sunos3*) gdb_host=sun3os3 ;;
@ -106,6 +107,7 @@ romp-*-*) gdb_host=rtbsd ;;
rs6000-*-*) gdb_host=rs6000 ;;
sparc-*-lynxos*) gdb_host=sparclynx ;;
sparc-*-solaris2*) gdb_host=sun4sol2 ;;
sparc-*-sunos4*) gdb_host=sun4os4 ;;
sparc-*-*) gdb_host=sun4os4 ;;
@ -192,7 +194,7 @@ i[34]86-*-aix*) gdb_target=i386aix ;;
i[34]86-*-bsd*) gdb_target=i386bsd ;;
i[34]86-*-netbsd*) gdb_target=i386bsd ;;
i[34]86-*-go32*) gdb_target=i386aout ;;
i[34]86-*-lynx*) gdb_target=i386lynx
i[34]86-*-lynxos*) gdb_target=i386lynx
configdirs="${configdirs} gdbserver"
;;
i[34]86-*-solaris*) gdb_target=i386sol2 ;;
@ -238,6 +240,9 @@ m68*-monitor-*) gdb_target=monitor ;;
m68*-*-aout*) gdb_target=m68k-em ;;
m68*-*-coff*) gdb_target=m68k-em ;;
m68*-*-elf*) gdb_target=m68k-em ;;
m68*-*-lynxos*) gdb_target=m68klynx
configdirs="${configdirs} gdbserver"
;;
m68*-*-os68k*) gdb_target=os68k ;;
m68*-*-sunos3*) gdb_target=sun3os3 ;;
m68*-*-sunos4*) gdb_target=sun3os4 ;;
@ -274,6 +279,9 @@ rs6000-*-*) gdb_target=rs6000 ;;
sparc-*-aout*) gdb_target=sparc-em ;;
sparc-*-coff*) gdb_target=sparc-em ;;
sparc-*-elf*) gdb_target=sparc-em ;;
sparc-*-lynxos*) gdb_target=sparclynx
configdirs="${configdirs} gdbserver"
;;
sparc-*-solaris2*) gdb_target=sun4sol2 ;;
sparc-*-sunos4*) gdb_target=sun4os4 ;;
sparc-*-vxworks*) gdb_target=vxsparc ;;

5
gdb/i386lynx-nat.c → gdb/i386ly-nat.c
View file

@ -1,6 +1,5 @@
/* Native-dependent code for Lynx running on i386's, for GDB.
Copyright 1988, 1989, 1991, 1992, 1993
Free Software Foundation, Inc.
/* Native-dependent code for Intel 386 running LynxOS.
Copyright 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GDB.

5
gdb/i386ly-tdep.c
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@ -1,6 +1,5 @@
/* Target-dependent code for Lynx running on i386's, for GDB.
Copyright 1988, 1989, 1991, 1992, 1993
Free Software Foundation, Inc.
/* Target-dependent code for Intel 386 running LynxOS.
Copyright 1993 Free Software Foundation, Inc.
This file is part of GDB.

277
gdb/m68kly-nat.c Normal file
View file

@ -0,0 +1,277 @@
/* Native-dependent code for Motorola 680x0 running LynxOS.
Copyright 1986, 1987, 1989, 1991, 1993 Free Software Foundation, Inc.
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 "defs.h"
#include "frame.h"
#include "inferior.h"
#include "gdbcore.h"
#include "target.h"
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/types.h>
#include <itimer.h>
#include <mem.h>
#include <sys/time.h>
#include <resource.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/ptrace.h>
#include <kernel.h>
#include <conf.h>
#include <proc.h>
#include <errno.h>
/* Return the address in the core dump or inferior of register REGNO.
BLOCKEND is the address of the end of the user structure. */
static unsigned int
core_register_addr (regno, blockend)
unsigned int regno, blockend;
{
struct st_entry s;
unsigned int offset;
if (regno >= 0 && regno <= FP_REGNUM)
offset = (char *) &s.ec.regs[regno] - (char *) &s;
else if (regno == SP_REGNUM)
offset = (char *) &s.stackp - (char *) &s;
else if (regno == PS_REGNUM)
offset = (char *) &s.ec.status - (char *) &s;
else if (regno == PC_REGNUM)
offset = (char *) &s.ec.pc - (char *) &s;
else if (regno >= FP0_REGNUM && regno <= (FPC_REGNUM - 1))
offset = (char *) &s.ec.fregs[(regno - FP0_REGNUM) * 3] - (char *) &s;
else if (regno >= FPC_REGNUM && regno <= FPI_REGNUM)
offset = (char *) &s.ec.fcregs[regno - FPC_REGNUM] - (char *) &s;
return blockend + offset;
}
unsigned int
register_addr (regno, blockend)
int regno, blockend;
{
struct st_entry s;
unsigned int offset;
if (regno >= 0 && regno <= FP_REGNUM)
offset = (char *) &s.ec.regs[regno] - (char *) &s.ec;
else if (regno == SP_REGNUM)
offset = (char *) &s.stackp - (char *) &s;
else if (regno == PS_REGNUM)
offset = (char *) &s.ec.status - (char *) &s.ec;
else if (regno == PC_REGNUM)
offset = (char *) &s.ec.pc - (char *) &s.ec;
else if (regno >= FP0_REGNUM && regno <= (FPC_REGNUM - 1))
offset = (char *) &s.ec.fregs[(regno - FP0_REGNUM) * 3] - (char *) &s.ec;
else if (regno >= FPC_REGNUM && regno <= FPI_REGNUM)
offset = (char *) &s.ec.fcregs[regno - FPC_REGNUM] - (char *) &s.ec;
return blockend + offset;
}
#ifdef FETCH_INFERIOR_REGISTERS
/* Fetch one register. */
static void
fetch_register (regno, offset, bpid)
int regno, bpid;
unsigned int offset;
{
char buf[MAX_REGISTER_RAW_SIZE], mess[128];
unsigned int regaddr, i, ptrace_request;
ptrace_request = regno != SP_REGNUM ? PTRACE_PEEKDATA : PTRACE_PEEKUSP;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
errno = 0;
*(int *) &buf[i] = ptrace (ptrace_request, bpid,
(PTRACE_ARG3_TYPE) regaddr, 0);
if (errno != 0)
{
sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
}
regaddr += sizeof (int);
}
supply_register (regno, buf);
}
static void
store_register (regno, offset, bpid)
int regno, bpid;
unsigned int offset;
{
unsigned int i, regaddr, ptrace_request;
char mess[128];
ptrace_request = regno != SP_REGNUM ? PTRACE_POKEUSER : PTRACE_POKEUSP;
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
errno = 0;
ptrace (ptrace_request, bpid, (PTRACE_ARG3_TYPE) regaddr,
*(int *) &registers[REGISTER_BYTE (regno) + i]);
if (errno != 0)
{
sprintf (mess, "writing register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
}
regaddr += sizeof (int);
}
}
static unsigned int
fetch_offset (pid, write)
int pid, write;
{
struct st_entry s;
unsigned int specpage_off, offset = (char *) &s.ecp - (char *) &s;
if (write)
{
errno = 0;
specpage_off = ptrace (PTRACE_THREADUSER, pid, (PTRACE_ARG3_TYPE) 0, 0);
if (errno != 0)
perror_with_name ("ptrace");
errno = 0;
offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0)
- specpage_off;
if (errno != 0)
perror_with_name ("ptrace");
}
else
{
errno = 0;
offset = ptrace (PTRACE_PEEKTHREAD, pid, (PTRACE_ARG3_TYPE) offset, 0);
if (errno != 0)
perror_with_name ("ptrace");
}
return offset;
}
void
fetch_inferior_registers (regno)
int regno;
{
unsigned int offset = fetch_offset (inferior_pid, 0);
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
fetch_register (regno, offset, inferior_pid);
}
else
fetch_register (regno, offset, inferior_pid);
}
void
store_inferior_registers (regno)
int regno;
{
unsigned int offset = fetch_offset (inferior_pid, 1);
if (regno == -1)
{
for (regno = 0; regno < NUM_REGS; regno++)
store_register (regno, offset, inferior_pid);
}
else
store_register (regno, offset, inferior_pid);
}
void
fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
char *core_reg_sect;
unsigned core_reg_size;
int which;
unsigned int reg_addr; /* Unused in this version */
{
unsigned int regno;
for (regno = 0; regno < NUM_REGS; regno++)
{
unsigned int addr;
addr = core_register_addr (regno, (unsigned) 0);
supply_register (regno, core_reg_sect + addr);
}
}
#endif /* FETCH_INFERIOR_REGISTERS */
/* Wait for child to do something. Return pid of child, or -1 in case
of error; store status through argument pointer STATUS. */
int
child_wait (pid, status)
int pid;
int *status;
{
int save_errno;
int thread;
while (1)
{
int sig;
if (attach_flag)
set_sigint_trap(); /* Causes SIGINT to be passed on to the
attached process. */
pid = wait (status);
save_errno = errno;
if (attach_flag)
clear_sigint_trap();
if (pid == -1)
{
if (save_errno == EINTR)
continue;
fprintf (stderr, "Child process unexpectedly missing: %s.\n",
safe_strerror (save_errno));
*status = 42; /* Claim it exited with signal 42 */
return -1;
}
if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
continue;
/* thread = WIFTID (*status);*/
thread = *status >> 16;
/* Initial thread value can only be acquired via wait, so we have to
resort to this hack. */
if (TIDGET (inferior_pid) == 0)
{
inferior_pid = BUILDPID (inferior_pid, thread);
add_thread (inferior_pid);
}
pid = BUILDPID (pid, thread);
return pid;
}
}

363
gdb/sparcly-nat.c Normal file
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@ -0,0 +1,363 @@
/* Native-dependent code for Sparc running LynxOS.
Copyright (C) 1989, 1992, Free Software Foundation, Inc.
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 "defs.h"
#include "inferior.h"
#include "target.h"
#include <signal.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#if 0
#include <machine/reg.h>
#endif
/* We don't store all registers immediately when requested, since they
get sent over in large chunks anyway. Instead, we accumulate most
of the changes and send them over once. "deferred_stores" keeps
track of which sets of registers we have locally-changed copies of,
so we only need send the groups that have changed. */
#define INT_REGS 1
#define STACK_REGS 2
#define FP_REGS 4
/* Fetch one or more registers from the inferior. REGNO == -1 to get
them all. We actually fetch more than requested, when convenient,
marking them as valid so we won't fetch them again. */
void
fetch_inferior_registers (regno)
int regno;
{
#if 0
struct regs inferior_registers;
struct fp_status inferior_fp_registers;
int i;
/* We should never be called with deferred stores, because a prerequisite
for writing regs is to have fetched them all (PREPARE_TO_STORE), sigh. */
if (deferred_stores) abort();
DO_DEFERRED_STORES;
/* Global and Out regs are fetched directly, as well as the control
registers. If we're getting one of the in or local regs,
and the stack pointer has not yet been fetched,
we have to do that first, since they're found in memory relative
to the stack pointer. */
if (regno < O7_REGNUM /* including -1 */
|| regno >= Y_REGNUM
|| (!register_valid[SP_REGNUM] && regno < I7_REGNUM))
{
if (0 != ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0))
perror("ptrace_getregs");
registers[REGISTER_BYTE (0)] = 0;
memcpy (&registers[REGISTER_BYTE (1)], &inferior_registers.r_g1,
15 * REGISTER_RAW_SIZE (G0_REGNUM));
*(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
*(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
*(int *)&registers[REGISTER_BYTE (NPC_REGNUM)] = inferior_registers.r_npc;
*(int *)&registers[REGISTER_BYTE (Y_REGNUM)] = inferior_registers.r_y;
for (i = G0_REGNUM; i <= O7_REGNUM; i++)
register_valid[i] = 1;
register_valid[Y_REGNUM] = 1;
register_valid[PS_REGNUM] = 1;
register_valid[PC_REGNUM] = 1;
register_valid[NPC_REGNUM] = 1;
/* If we don't set these valid, read_register_bytes() rereads
all the regs every time it is called! FIXME. */
register_valid[WIM_REGNUM] = 1; /* Not true yet, FIXME */
register_valid[TBR_REGNUM] = 1; /* Not true yet, FIXME */
register_valid[FPS_REGNUM] = 1; /* Not true yet, FIXME */
register_valid[CPS_REGNUM] = 1; /* Not true yet, FIXME */
}
/* Floating point registers */
if (regno == -1 || (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31))
{
if (0 != ptrace (PTRACE_GETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers,
0))
perror("ptrace_getfpregs");
memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
sizeof inferior_fp_registers.fpu_fr);
/* memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)],
&inferior_fp_registers.Fpu_fsr,
sizeof (FPU_FSR_TYPE)); FIXME??? -- gnu@cyg */
for (i = FP0_REGNUM; i <= FP0_REGNUM+31; i++)
register_valid[i] = 1;
register_valid[FPS_REGNUM] = 1;
}
/* These regs are saved on the stack by the kernel. Only read them
all (16 ptrace calls!) if we really need them. */
if (regno == -1)
{
target_xfer_memory (*(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)],
&registers[REGISTER_BYTE (L0_REGNUM)],
16*REGISTER_RAW_SIZE (L0_REGNUM), 0);
for (i = L0_REGNUM; i <= I7_REGNUM; i++)
register_valid[i] = 1;
}
else if (regno >= L0_REGNUM && regno <= I7_REGNUM)
{
CORE_ADDR sp = *(CORE_ADDR*)&registers[REGISTER_BYTE (SP_REGNUM)];
i = REGISTER_BYTE (regno);
if (register_valid[regno])
printf("register %d valid and read\n", regno);
target_xfer_memory (sp + i - REGISTER_BYTE (L0_REGNUM),
&registers[i], REGISTER_RAW_SIZE (regno), 0);
register_valid[regno] = 1;
}
#endif
}
/* Store our register values back into the inferior.
If REGNO is -1, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
void
store_inferior_registers (regno)
int regno;
{
#if 0
struct regs inferior_registers;
struct fp_status inferior_fp_registers;
int wanna_store = INT_REGS + STACK_REGS + FP_REGS;
/* First decide which pieces of machine-state we need to modify.
Default for regno == -1 case is all pieces. */
if (regno >= 0)
if (FP0_REGNUM <= regno && regno < FP0_REGNUM + 32)
{
wanna_store = FP_REGS;
}
else
{
if (regno == SP_REGNUM)
wanna_store = INT_REGS + STACK_REGS;
else if (regno < L0_REGNUM || regno > I7_REGNUM)
wanna_store = INT_REGS;
else
wanna_store = STACK_REGS;
}
/* See if we're forcing the stores to happen now, or deferring. */
if (regno == -2)
{
wanna_store = deferred_stores;
deferred_stores = 0;
}
else
{
if (wanna_store == STACK_REGS)
{
/* Fall through and just store one stack reg. If we deferred
it, we'd have to store them all, or remember more info. */
}
else
{
deferred_stores |= wanna_store;
return;
}
}
if (wanna_store & STACK_REGS)
{
CORE_ADDR sp = *(CORE_ADDR *)&registers[REGISTER_BYTE (SP_REGNUM)];
if (regno < 0 || regno == SP_REGNUM)
{
if (!register_valid[L0_REGNUM+5]) abort();
target_xfer_memory (sp,
&registers[REGISTER_BYTE (L0_REGNUM)],
16*REGISTER_RAW_SIZE (L0_REGNUM), 1);
}
else
{
if (!register_valid[regno]) abort();
target_xfer_memory (sp + REGISTER_BYTE (regno) - REGISTER_BYTE (L0_REGNUM),
&registers[REGISTER_BYTE (regno)],
REGISTER_RAW_SIZE (regno), 1);
}
}
if (wanna_store & INT_REGS)
{
if (!register_valid[G1_REGNUM]) abort();
memcpy (&inferior_registers.r_g1, &registers[REGISTER_BYTE (G1_REGNUM)],
15 * REGISTER_RAW_SIZE (G1_REGNUM));
inferior_registers.r_ps =
*(int *)&registers[REGISTER_BYTE (PS_REGNUM)];
inferior_registers.r_pc =
*(int *)&registers[REGISTER_BYTE (PC_REGNUM)];
inferior_registers.r_npc =
*(int *)&registers[REGISTER_BYTE (NPC_REGNUM)];
inferior_registers.r_y =
*(int *)&registers[REGISTER_BYTE (Y_REGNUM)];
if (0 != ptrace (PTRACE_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_registers, 0))
perror("ptrace_setregs");
}
if (wanna_store & FP_REGS)
{
if (!register_valid[FP0_REGNUM+9]) abort();
/* Initialize inferior_fp_registers members that gdb doesn't set
by reading them from the inferior. */
if (0 !=
ptrace (PTRACE_GETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
perror("ptrace_getfpregs");
memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
sizeof inferior_fp_registers.fpu_fr);
/* memcpy (&inferior_fp_registers.Fpu_fsr,
&registers[REGISTER_BYTE (FPS_REGNUM)], sizeof (FPU_FSR_TYPE));
****/
if (0 !=
ptrace (PTRACE_SETFPREGS, inferior_pid,
(PTRACE_ARG3_TYPE) &inferior_fp_registers, 0))
perror("ptrace_setfpregs");
}
#endif
}
void
fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
char *core_reg_sect;
unsigned core_reg_size;
int which;
unsigned int ignore; /* reg addr, unused in this version */
{
#if 0
if (which == 0) {
/* Integer registers */
#define gregs ((struct regs *)core_reg_sect)
/* G0 *always* holds 0. */
*(int *)&registers[REGISTER_BYTE (0)] = 0;
/* The globals and output registers. */
memcpy (&registers[REGISTER_BYTE (G1_REGNUM)], &gregs->r_g1,
15 * REGISTER_RAW_SIZE (G1_REGNUM));
*(int *)&registers[REGISTER_BYTE (PS_REGNUM)] = gregs->r_ps;
*(int *)&registers[REGISTER_BYTE (PC_REGNUM)] = gregs->r_pc;
*(int *)&registers[REGISTER_BYTE (NPC_REGNUM)] = gregs->r_npc;
*(int *)&registers[REGISTER_BYTE (Y_REGNUM)] = gregs->r_y;
/* My best guess at where to get the locals and input
registers is exactly where they usually are, right above
the stack pointer. If the core dump was caused by a bus error
from blowing away the stack pointer (as is possible) then this
won't work, but it's worth the try. */
{
int sp;
sp = *(int *)&registers[REGISTER_BYTE (SP_REGNUM)];
if (0 != target_read_memory (sp, &registers[REGISTER_BYTE (L0_REGNUM)],
16 * REGISTER_RAW_SIZE (L0_REGNUM)))
{
/* fprintf so user can still use gdb */
fprintf (stderr,
"Couldn't read input and local registers from core file\n");
}
}
} else if (which == 2) {
/* Floating point registers */
#define fpuregs ((struct fpu *) core_reg_sect)
if (core_reg_size >= sizeof (struct fpu))
{
memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], fpuregs->fpu_regs,
sizeof (fpuregs->fpu_regs));
memcpy (&registers[REGISTER_BYTE (FPS_REGNUM)], &fpuregs->fpu_fsr,
sizeof (FPU_FSR_TYPE));
}
else
fprintf (stderr, "Couldn't read float regs from core file\n");
}
#endif
}
/* Wait for child to do something. Return pid of child, or -1 in case
of error; store status through argument pointer STATUS. */
int
child_wait (pid, status)
int pid;
int *status;
{
int save_errno;
int thread;
while (1)
{
int sig;
if (attach_flag)
set_sigint_trap(); /* Causes SIGINT to be passed on to the
attached process. */
pid = wait (status);
save_errno = errno;
if (attach_flag)
clear_sigint_trap();
if (pid == -1)
{
if (save_errno == EINTR)
continue;
fprintf (stderr, "Child process unexpectedly missing: %s.\n",
safe_strerror (save_errno));
*status = 42; /* Claim it exited with signal 42 */
return -1;
}
if (pid != PIDGET (inferior_pid)) /* Some other process?!? */
continue;
/* thread = WIFTID (*status);*/
thread = *status >> 16;
/* Initial thread value can only be acquired via wait, so we have to
resort to this hack. */
if (TIDGET (inferior_pid) == 0)
{
inferior_pid = BUILDPID (inferior_pid, thread);
add_thread (inferior_pid);
}
pid = BUILDPID (pid, thread);
return pid;
}
}