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* NEWS: Note new sh*-*-netbsdelf* configuration.

Browse Source 
* configure.host: Set gdb_host_cpu to sh for all sh*.
(sh*-*-netbsdelf*): New host.
* configure.tgt: Set gdb_target_cpu to sh for all sh*.
(sh*-*-netbsdelf*): New target.
* sh-nbsd-nat.c: New file.
* sh-nbsd-tdep.c: New file.
* sh-nbsd-tdep.h: New file.
* config/sh/nbsd.mh: New file.
* config/sh/nbsd.mt: New file.
* config/sh/nm-nbsd.h: New file.
* config/sh/tm-nbsd.h: New file.
This commit is contained in:
Jason Thorpe 2002-05-08 15:29:36 +00:00
parent d658f92455
commit 13a38d4599
10 changed files with 428 additions and 0 deletions
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15
gdb/ChangeLog
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@ -1,3 +1,18 @@
2002-05-08 Jason Thorpe <thorpej@wasabisystems.com>
* NEWS: Note new sh*-*-netbsdelf* configuration.
* configure.host: Set gdb_host_cpu to sh for all sh*.
(sh*-*-netbsdelf*): New host.
* configure.tgt: Set gdb_target_cpu to sh for all sh*.
(sh*-*-netbsdelf*): New target.
* sh-nbsd-nat.c: New file.
* sh-nbsd-tdep.c: New file.
* sh-nbsd-tdep.h: New file.
* config/sh/nbsd.mh: New file.
* config/sh/nbsd.mt: New file.
* config/sh/nm-nbsd.h: New file.
* config/sh/tm-nbsd.h: New file.
2002-05-08 Jason Thorpe <thorpej@wasabisystems.com>
* sh-tdep.c (sh_osabi_names): Declare.

4
gdb/config/sh/nbsd.mh Normal file
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@ -0,0 +1,4 @@
# Host: SuperH running NetBSD
NAT_CLIBS=
NATDEPFILES= infptrace.o inftarg.o fork-child.o sh-nbsd-nat.o
NAT_FILE= nm-nbsd.h

6
gdb/config/sh/nbsd.mt Normal file
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@ -0,0 +1,6 @@
# Target: SuperH running NetBSD
TDEPFILES= sh-tdep.o sh-nbsd-tdep.o corelow.o solib.o solib-svr4.o
TM_FILE= tm-nbsd.h
SIM_OBS = remote-sim.o
SIM = ../sim/sh/libsim.a

28
gdb/config/sh/nm-nbsd.h Normal file
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@ -0,0 +1,28 @@
/* Native-dependent definitions for SuperH running NetBSD, for GDB.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef NM_NBSD_H
#define NM_NBSD_H
/* Get generic NetBSD native definitions. */
#include "config/nm-nbsd.h"
#endif /* NM_NBSD_H */

28
gdb/config/sh/tm-nbsd.h Normal file
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/* Target-dependent definitions for SuperH running NetBSD, for GDB.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef TM_NBSD_H
#define TM_NBSD_H
#include "sh/tm-sh.h"
#include "solib.h"
#endif /* TM_NBSD_H */

3
gdb/configure.host
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@ -20,6 +20,7 @@ mips*) gdb_host_cpu=mips ;;
powerpc*) gdb_host_cpu=powerpc ;;
sparcv9 | sparc64) gdb_host_cpu=sparc ;;
s390*) gdb_host_cpu=s390 ;;
sh*) gdb_host_cpu=sh ;;
x86_64*) gdb_host_cpu=i386 ;;
*) gdb_host_cpu=$host_cpu ;;
@ -136,6 +137,8 @@ rs6000-*-*) gdb_host=rs6000 ;;
s390*-*-*) gdb_host=s390 ;;
sh*-*-netbsdelf*) gdb_host=nbsd ;;
sparc-*-linux*) gdb_host=linux ;;
sparc-*-lynxos*) gdb_host=sparclynx ;;
sparc-*-netbsdelf*) gdb_host=nbsdelf ;;

2
gdb/configure.tgt
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@ -25,6 +25,7 @@ powerpc*) gdb_target_cpu=powerpc ;;
sparc*) gdb_target_cpu=sparc ;;
thumb*) gdb_target_cpu=arm ;;
s390*) gdb_target_cpu=s390 ;;
sh*) gdb_target_cpu=sh ;;
strongarm*) gdb_target_cpu=arm ;;
xscale*) gdb_target_cpu=arm ;;
v850*) gdb_target_cpu=v850 ;;
@ -252,6 +253,7 @@ sh-*-elf*) gdb_target=embed ;;
sh-*-linux*) gdb_target=linux
build_gdbserver=yes
;;
sh*-*-netbsdelf*) gdb_target=nbsd ;;
sparc-*-aout*) gdb_target=sparc-em ;;
sparc-*-coff*) gdb_target=sparc-em ;;

76
gdb/sh-nbsd-nat.c Normal file
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/* Native-dependent code for SuperH running NetBSD, for GDB.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "defs.h"
#include "inferior.h"
#include "sh-nbsd-tdep.h"
/* Determine if PT_GETREGS fetches this register. */
#define GETREGS_SUPPLIES(regno) \
(((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \
|| (regno) == PC_REGNUM || (regno) == PR_REGNUM \
|| (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
|| (regno) == SR_REGNUM)
void
fetch_inferior_registers (int regno)
{
if (regno == -1 || GETREGS_SUPPLIES (regno))
{
struct reg inferior_registers;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
perror_with_name ("Couldn't get registers");
sh_nbsd_supply_register ((char *) &inferior_registers, regno);
if (regno != -1)
return;
}
}
void
store_inferior_registers (int regno)
{
if (regno == -1 || GETREGS_SUPPLIES (regno))
{
struct reg inferior_registers;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
perror_with_name ("Couldn't get registers");
sh_nbsd_fill_register ((char *) &inferior_registers, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
perror_with_name ("Couldn't set registers");
if (regno != -1)
return;
}
}

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gdb/sh-nbsd-tdep.c Normal file
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/* Target-dependent code for SuperH running NetBSD, for GDB.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "gdbcore.h"
#include "regcache.h"
#include "value.h"
#include "solib-svr4.h"
#include "sh-nbsd-tdep.h"
/* Convert an r0-r15 register number into an offset into a ptrace
register structure. */
static const int regmap[] =
{
(20 * 4), /* r0 */
(19 * 4), /* r1 */
(18 * 4), /* r2 */
(17 * 4), /* r3 */
(16 * 4), /* r4 */
(15 * 4), /* r5 */
(14 * 4), /* r6 */
(13 * 4), /* r7 */
(12 * 4), /* r8 */
(11 * 4), /* r9 */
(10 * 4), /* r10 */
( 9 * 4), /* r11 */
( 8 * 4), /* r12 */
( 7 * 4), /* r13 */
( 6 * 4), /* r14 */
( 5 * 4), /* r15 */
};
#define SIZEOF_STRUCT_REG (21 * 4)
void
sh_nbsd_supply_registers (char *regs)
{
int regno;
for (regno = R0_REGNUM; regno <= (R0_REGNUM + 15); regno++)
supply_register (regno, regs + regmap[regno - R0_REGNUM]);
supply_register (PC_REGNUM, regs + (0 * 4));
supply_register (SR_REGNUM, regs + (1 * 4));
supply_register (PR_REGNUM, regs + (2 * 4));
supply_register (MACH_REGNUM, regs + (3 * 4));
supply_register (MACL_REGNUM, regs + (4 * 4));
}
void
sh_nbsd_supply_register (char *regs, int regno)
{
if (regno == -1)
sh_nbsd_supply_registers (regs);
if (regno == PC_REGNUM)
supply_register (PC_REGNUM, regs + (0 * 4));
else if (regno == SR_REGNUM)
supply_register (SR_REGNUM, regs + (1 * 4));
else if (regno == PR_REGNUM)
supply_register (PR_REGNUM, regs + (2 * 4));
else if (regno == MACH_REGNUM)
supply_register (MACH_REGNUM, regs + (3 * 4));
else if (regno == MACL_REGNUM)
supply_register (MACL_REGNUM, regs + (4 * 4));
else if (regno >= R0_REGNUM && regno <= (R0_REGNUM + 15))
supply_register (regno, regs + regmap[regno - R0_REGNUM]);
}
void
sh_nbsd_fill_registers (char *regs)
{
int regno;
for (regno = R0_REGNUM; regno <= (R0_REGNUM + 15); regno++)
regcache_collect (regno, regs + regmap[regno - R0_REGNUM]);
regcache_collect (PC_REGNUM, regs + (0 * 4));
regcache_collect (SR_REGNUM, regs + (1 * 4));
regcache_collect (PR_REGNUM, regs + (2 * 4));
regcache_collect (MACH_REGNUM, regs + (3 * 4));
regcache_collect (MACL_REGNUM, regs + (4 * 4));
}
void
sh_nbsd_fill_register (char *regs, int regno)
{
if (regno == -1)
sh_nbsd_fill_registers (regs);
if (regno == PC_REGNUM)
regcache_collect (PC_REGNUM, regs + (0 * 4));
else if (regno == SR_REGNUM)
regcache_collect (SR_REGNUM, regs + (1 * 4));
else if (regno == PR_REGNUM)
regcache_collect (PR_REGNUM, regs + (2 * 4));
else if (regno == MACH_REGNUM)
regcache_collect (MACH_REGNUM, regs + (3 * 4));
else if (regno == MACL_REGNUM)
regcache_collect (MACL_REGNUM, regs + (4 * 4));
else if (regno >= R0_REGNUM && regno <= (R0_REGNUM + 15))
regcache_collect (regno, regs + regmap[regno - R0_REGNUM]);
}
/* Fetch (and possibly build) an appropriate link_map_offsets
structure for NetBSD/sh targets using the struct offsets
defined in <link.h> (but without actual reference to that file).
This makes it possible to access NetBSD/sh shared libraries
from a GDB that was not built on a NetBSD/sh host (for cross
debugging). */
static struct link_map_offsets *
sh_nbsd_solib_svr4_fetch_link_map_offsets (void)
{
static struct link_map_offsets lmo;
static struct link_map_offsets *lmp = NULL;
if (lmp == NULL)
{
lmp = &lmo;
lmo.r_debug_size = 16;
lmo.r_map_offset = 4;
lmo.r_map_size = 4;
lmo.link_map_size = 20;
lmo.l_addr_offset = 0;
lmo.l_addr_size = 4;
lmo.l_name_offset = 4;
lmo.l_name_size = 4;
lmo.l_next_offset = 12;
lmo.l_next_size = 4;
lmo.l_prev_offset = 16;
lmo.l_prev_size = 4;
}
return lmp;
}
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
int which, CORE_ADDR ignore)
{
/* We get everything from the .reg section. */
if (which != 0)
return;
if (core_reg_size < SIZEOF_STRUCT_REG)
{
warning ("Wrong size register set in core file.");
return;
}
/* Integer registers. */
sh_nbsd_supply_registers (core_reg_sect);
}
static void
fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size,
int which, CORE_ADDR ignore)
{
switch (which)
{
case 0: /* Integer registers. */
if (core_reg_size != SIZEOF_STRUCT_REG)
warning ("Wrong size register set in core file.");
else
sh_nbsd_supply_registers (core_reg_sect);
break;
default:
/* Don't know what kind of register request this is; just ignore it. */
break;
}
}
static struct core_fns sh_nbsd_core_fns =
{
bfd_target_unknown_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_core_registers, /* core_read_registers */
NULL /* next */
};
static struct core_fns sh_nbsd_elfcore_fns =
{
bfd_target_elf_flavour, /* core_flavour */
default_check_format, /* check_format */
default_core_sniffer, /* core_sniffer */
fetch_elfcore_registers, /* core_read_registers */
NULL /* next */
};
static void
sh_nbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
set_solib_svr4_fetch_link_map_offsets (gdbarch,
sh_nbsd_solib_svr4_fetch_link_map_offsets);
}
void
_initialize_sh_nbsd_tdep (void)
{
add_core_fns (&sh_nbsd_core_fns);
add_core_fns (&sh_nbsd_elfcore_fns);
sh_gdbarch_register_os_abi (SH_OSABI_NETBSD_ELF, sh_nbsd_init_abi);
}

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gdb/sh-nbsd-tdep.h Normal file
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/* Target-dependent definitions for SuperH running NetBSD, for GDB.
Copyright 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef SH_NBSD_TDEP_H
#define SH_NBSD_TDEP_H
void sh_nbsd_supply_registers (char *);
void sh_nbsd_supply_register (char *, int);
void sh_nbsd_fill_registers (char *);
void sh_nbsd_fill_register (char *, int);
#endif /* SH_NBSD_TDEP_H */