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Add OpenBSD/hppa support.

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* NEWS (New native configurations): Mention OpenBSD/hppa.
* hppabsd-nat.c, hppabsd-tdep.c, config/pa/obsd.mh,
config/pa/obsd.mt, config/pa/nm-obsd.h, config/pa/tm-bsd.h: New
files.
* Makefile.in (ALLDEPFILES): Add hppabsd-nat.c and hppabsd-tdep.c.
(hppabsd-nat.o, hppabsd-tdep.c): New dependencies.
* configure.host: Add hppa*-*-openbsd*.
* configure.tgt: Add hppa*-*-openbsd*.
This commit is contained in:
Mark Kettenis 2004-06-26 10:06:35 +00:00
parent d0618d1c97
commit 0e56aeafa8
11 changed files with 339 additions and 0 deletions
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12
gdb/ChangeLog
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@ -1,3 +1,15 @@
2004-06-26 Mark Kettenis <kettenis@gnu.org>
Add OpenBSD/hppa support.
* NEWS (New native configurations): Mention OpenBSD/hppa.
* hppabsd-nat.c, hppabsd-tdep.c, config/pa/obsd.mh,
config/pa/obsd.mt, config/pa/nm-obsd.h, config/pa/tm-bsd.h: New
files.
* Makefile.in (ALLDEPFILES): Add hppabsd-nat.c and hppabsd-tdep.c.
(hppabsd-nat.o, hppabsd-tdep.c): New dependencies.
* configure.host: Add hppa*-*-openbsd*.
* configure.tgt: Add hppa*-*-openbsd*.
2004-06-25 Andrew Cagney <cagney@gnu.org>
* defs.h (deprecated_ui_loop_hook): Deprecated.

6
gdb/Makefile.in
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@ -1360,6 +1360,7 @@ ALLDEPFILES = \
hppa-tdep.c hppa-hpux-tdep.c \
hppah-nat.c hpread.c \
hppa-linux-tdep.c hppa-linux-nat.c \
hppabsd-nat.c hppabsd-tdep.c \
i386-tdep.c i386v-nat.c i386-linux-nat.c \
i386v4-nat.c i386ly-tdep.c i386-cygwin-tdep.c \
i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c i386fbsd-tdep.c \
@ -1876,6 +1877,11 @@ hppa-linux-tdep.o: hppa-linux-tdep.c $(defs_h) $(gdbcore_h) $(osabi_h) \
$(elf_common_h) $(value_h)
hppa-linux-nat.o: hppa-linux-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
$(gdb_string_h) $(inferior_h)
hppabsd-nat.o: hppabsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
$(hppa_tdep_h)
hppabsd-tdep.o: hppabsd-tdep.c $(defs_h) $(arch_utils_h) $(osabi_h) \
$(regcache_h) $(regset_h) $(gdb_assert_h) $(gdb_string_h) \
$(hppa_tdep_h) $(solib_svr4_h)
hpread.o: hpread.c $(defs_h) $(bfd_h) $(gdb_string_h) $(hp_symtab_h) \
$(syms_h) $(symtab_h) $(symfile_h) $(objfiles_h) $(buildsym_h) \
$(complaints_h) $(gdb_stabs_h) $(gdbtypes_h) $(demangle_h) \

1
gdb/NEWS
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@ -22,6 +22,7 @@ kernel.
* New native configurations
OpenBSD/hppa hppa*-*-openbsd*
OpenBSD/m68k m68*-*-openbsd*
OpenBSD/m88k m88*-*-openbsd*
OpenBSD/powerpc powerpc-*-openbsd*

28
gdb/config/pa/nm-obsd.h Normal file
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@ -0,0 +1,28 @@
/* Native-dependent definitions for OpenBSD/hppa.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef NM_OBSD_H
#define NM_OBSD_H
/* Get generic BSD native definitions. */
#include "config/nm-bsd.h"
#endif /* nm-obsd.h */

3
gdb/config/pa/obsd.mh Normal file
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@ -0,0 +1,3 @@
# Host: OpenBSD/hppa
NATDEPFILES= fork-child.o infptrace.o inftarg.o hppabsd-nat.o
NAT_FILE= nm-obsd.h

3
gdb/config/pa/obsd.mt Normal file
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@ -0,0 +1,3 @@
# Target: OpenBSD/hppa
TDEPFILES= hppa-tdep.o hppabsd-tdep.o corelow.o solib.o solib-svr4.o
TM_FILE= tm-bsd.h

28
gdb/config/pa/tm-bsd.h Normal file
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@ -0,0 +1,28 @@
/* Target-dependent definitions for HP PA-RISC BSD's.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef TM_BSD_H
#define TM_BSD_H
/* Shared library support. */
#include "solib.h"
#endif /* tm-bsd.h */

1
gdb/configure.host
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@ -50,6 +50,7 @@ hppa*64*-*-hpux11*) gdb_host=hpux11w ;;
hppa*-*-hpux11*) gdb_host=hpux11 ;;
hppa*-*-hpux*) gdb_host=hppahpux ;;
hppa*-*-linux*) gdb_host=linux ;;
hppa*-*-openbsd*) gdb_host=obsd ;;
i[34567]86-ncr-*) gdb_host=ncr3000 ;;
i[34567]86-*-dgux*) gdb_host=i386v4 ;;

1
gdb/configure.tgt
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@ -76,6 +76,7 @@ hppa*64*-*-hpux11*) gdb_target=hppa64 ;;
hppa*-*-hpux*) gdb_target=hppahpux ;;
hppa*-*-hiux*) gdb_target=hppahpux ;;
hppa*-*-linux*) gdb_target=linux ;;
hppa*-*-openbsd*) gdb_target=obsd ;;
hppa*-*-*) gdb_target=hppa ;;
i[34567]86-ncr-*) gdb_target=ncr3000 ;;

119
gdb/hppabsd-nat.c Normal file
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@ -0,0 +1,119 @@
/* Native-dependent code for HP PA-RISC BSD's.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "hppa-tdep.h"
static int
hppabsd_gregset_supplies_p (int regnum)
{
return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM);
}
/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
static void
hppabsd_supply_gregset (struct regcache *regcache, const void *gregs)
{
const char *regs = gregs;
int regnum;
for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
regcache_raw_supply (regcache, regnum, regs + regnum * 4);
regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
/* Collect the general-purpose registers from REGCACHE and store them
in GREGS. */
static void
hppabsd_collect_gregset (const struct regcache *regcache,
void *gregs, int regnum)
{
char *regs = gregs;
int i;
for (i = HPPA_R1_REGNUM; i <= HPPA_R31_REGNUM; i++)
{
if (regnum == -1 || regnum == i)
regcache_raw_collect (regcache, i, regs + i * 4);
}
if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
regcache_raw_collect (regcache, HPPA_SAR_REGNUM, regs);
if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers (including the floating-point registers). */
void
fetch_inferior_registers (int regnum)
{
struct regcache *regcache = current_regcache;
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
hppabsd_supply_gregset (regcache, &regs);
}
}
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
this for all registers (including the floating-point registers). */
void
store_inferior_registers (int regnum)
{
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
hppabsd_collect_gregset (current_regcache, &regs, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't write registers");
}
}

137
gdb/hppabsd-tdep.c Normal file
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@ -0,0 +1,137 @@
/* Target-dependent code for HP PA-RISC BSD's.
Copyright 2004 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "arch-utils.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "gdb_assert.h"
#include "gdb_string.h"
#include "hppa-tdep.h"
#include "solib-svr4.h"
/* Core file support. */
/* Sizeof `struct reg' in <machine/reg.h>. */
#define HPPABSD_SIZEOF_GREGS (34 * 4)
/* Supply register REGNUM from the buffer specified by GREGS and LEN
in the general-purpose register set REGSET to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
static void
hppabsd_supply_gregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
const char *regs = gregs;
size_t offset;
int i;
gdb_assert (len >= HPPABSD_SIZEOF_GREGS);
for (i = HPPA_R1_REGNUM, offset = 4; i <= HPPA_R31_REGNUM; i++, offset += 4)
{
if (regnum == -1 || regnum == i)
regcache_raw_supply (regcache, i, regs + offset);
}
if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
/* OpenBSD/hppa register set. */
static struct regset hppabsd_gregset =
{
NULL,
hppabsd_supply_gregset
};
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
static const struct regset *
hppabsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
if (strcmp (sect_name, ".reg") == 0 && sect_size >= HPPABSD_SIZEOF_GREGS)
return &hppabsd_gregset;
return NULL;
}
static void
hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Core file support. */
set_gdbarch_regset_from_core_section
(gdbarch, hppabsd_regset_from_core_section);
/* OpenBSD and NetBSD use ELF. */
tdep->is_elf = 1;
/* OpenBSD and NetBSD uses SVR4-style shared libraries. */
set_gdbarch_in_solib_call_trampoline
(gdbarch, generic_in_solib_call_trampoline);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
/* OpenBSD uses uses the traditional NetBSD core file format, even for
ports that use ELF. */
#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF
static enum gdb_osabi
hppabsd_core_osabi_sniffer (bfd *abfd)
{
if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0)
return GDB_OSABI_NETBSD_CORE;
return GDB_OSABI_UNKNOWN;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_hppabsd_tdep (void);
void
_initialize_hppabsd_tdep (void)
{
/* BFD doesn't set a flavour for NetBSD style a.out core files. */
gdbarch_register_osabi_sniffer (bfd_arch_hppa, bfd_target_unknown_flavour,
hppabsd_core_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_NETBSD_ELF,
hppabsd_init_abi);
gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_OPENBSD_ELF,
hppabsd_init_abi);
}