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* i386nbsd-nat.c: New file.

Browse Source 
* Makefile.in (ALLDEPFILES): Add i386nbsd-nat.c, i386nbsd-tdep.c,
i386obsd-nat.c and i386obsd-tdep.c.
(i386nbsd-nat.o): New dependency.
* config/i386/obsd.mh (NATDEPFILES): Add i386nbsd-nat.o and
bsd-kvm.o.
(LOADLIBES): New variable.
* config/i386/nbsdelf.mh (NATDEPFILES): Add i386nbsd-nat.o and
bsd-kvm.o.
(LOADLIBES): New variable.
This commit is contained in:
Mark Kettenis 2004-06-27 16:22:43 +00:00
parent 8010310edb
commit 9062529b14
5 changed files with 105 additions and 2 deletions
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11
gdb/ChangeLog
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@ -1,5 +1,16 @@
2004-06-27 Mark Kettenis <kettenis@gnu.org>
* i386nbsd-nat.c: New file.
* Makefile.in (ALLDEPFILES): Add i386nbsd-nat.c, i386nbsd-tdep.c,
i386obsd-nat.c and i386obsd-tdep.c.
(i386nbsd-nat.o): New dependency.
* config/i386/obsd.mh (NATDEPFILES): Add i386nbsd-nat.o and
bsd-kvm.o.
(LOADLIBES): New variable.
* config/i386/nbsdelf.mh (NATDEPFILES): Add i386nbsd-nat.o and
bsd-kvm.o.
(LOADLIBES): New variable.
* config/i386/fbsd64.mh (NATDEPFILES): Add bsd-kvm.o.
(LOADLIBES): New variable.

3
gdb/Makefile.in
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@ -1364,6 +1364,7 @@ ALLDEPFILES = \
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 \
i386nbsd-nat.c i386nbsd-tdep.c i386obsd-nat.c i386obsd-tdep.c \
i387-tdep.c \
i386-linux-tdep.c i386-nat.c \
i386gnu-nat.c i386gnu-tdep.c \
@ -1913,6 +1914,8 @@ i386-linux-tdep.o: i386-linux-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \
i386ly-tdep.o: i386ly-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h) \
$(regcache_h) $(target_h) $(osabi_h) $(i386_tdep_h)
i386-nat.o: i386-nat.c $(defs_h) $(breakpoint_h) $(command_h) $(gdbcmd_h)
i386nbsd-nat.o: i386nbsd-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
$(i386_tdep_h) $(bsd_kvm_h)
i386nbsd-tdep.o: i386nbsd-tdep.c $(defs_h) $(arch_utils_h) $(frame_h) \
$(gdbcore_h) $(regcache_h) $(regset_h) $(osabi_h) $(symtab_h) \
$(gdb_assert_h) $(gdb_string_h) $(i386_tdep_h) $(i387_tdep_h) \

5
gdb/config/i386/nbsdelf.mh
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@ -1,4 +1,7 @@
# Host: NetBSD/i386 ELF
NATDEPFILES= fork-child.o infptrace.o inftarg.o i386bsd-nat.o
NATDEPFILES= fork-child.o infptrace.o inftarg.o \
i386bsd-nat.o i386nbsd-nat.o bsd-kvm.o
NAT_FILE= nm-nbsd.h
XM_FILE= xm-nbsd.h
LOADLIBES= -lkvm

6
gdb/config/i386/obsd.mh
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@ -1,4 +1,8 @@
# Host: OpenBSD/i386 ELF
NATDEPFILES= fork-child.o infptrace.o inftarg.o i386bsd-nat.o i386obsd-nat.o
NATDEPFILES= fork-child.o infptrace.o inftarg.o \
i386bsd-nat.o i386obsd-nat.o i386nbsd-nat.o bsd-kvm.o
NAT_FILE= nm-obsd.h
XM_FILE= xm-i386.h
LOADLIBES= -lkvm

82
gdb/i386nbsd-nat.c Normal file
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@ -0,0 +1,82 @@
/* Native-dependent code for NetBSD/i386.
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 "gdbcore.h"
#include "regcache.h"
#include "i386-tdep.h"
/* Support for debugging kernel virtual memory images. */
#include <sys/types.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include "bsd-kvm.h"
static int
i386nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
struct switchframe sf;
/* The following is true for NetBSD 1.6.2:
The pcb contains %esp and %ebp at the point of the context switch
in cpu_switch(). At that point we have a stack frame as
described by `struct switchframe', which for NetBSD 1.6.2 has the
following layout:
interrupt level
%edi
%esi
%ebx
%eip
we reconstruct the register state as it would look when we just
returned from cpu_switch(). */
/* The stack pointer shouldn't be zero. */
if (pcb->pcb_esp == 0)
return 0;
read_memory (pcb->pcb_esp, (char *) &sf, sizeof sf);
pcb->pcb_esp += sizeof (struct switchframe);
regcache_raw_supply (regcache, I386_EDI_REGNUM, &sf.sf_edi);
regcache_raw_supply (regcache, I386_ESI_REGNUM, &sf.sf_esi);
regcache_raw_supply (regcache, I386_EBP_REGNUM, &pcb->pcb_ebp);
regcache_raw_supply (regcache, I386_ESP_REGNUM, &pcb->pcb_esp);
regcache_raw_supply (regcache, I386_EBX_REGNUM, &sf.sf_ebx);
regcache_raw_supply (regcache, I386_EIP_REGNUM, &sf.sf_eip);
return 1;
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_i386nbsd_nat (void);
void
_initialize_i386nbsd_nat (void)
{
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (i386nbsd_supply_pcb);
}