9692934b4c
(i386bsd_fetch_inferior_registers): Rename from fetch_inferior_registers. Make static. (i386bsd_store_inferior_registers): Rename from store_inferior_registers. Make static. (i386bsd_target): New function. * i386bsd-nat.h: New file. * i386fbsd-nat.c: Include "target.h", "fbsd-nat.h" and "i386bsd-nat.h". (i386fbsd_resume): Rename from child_resume. Make static. (_initialize_i386fbsd_nat): Construct and add target vector. * i386nbsd-nat.c: Include "target.h" and "i386bsd-nat.h". (_initialize_i386nbsd_nat): Construct and add target vector. * config/i386/nm-fbsd.h: (CHILD_RESUME, CHILD_PID_TO_EXEC_FILE): Remove defines. * config/i386/fbsd.mh (NATDEPFILES): Add inf-child.o, inf-ptrace.o and fbsd-nat.o. Remove inftarg.o and fbsd-proc.o. * config/i386/nbsdaout.mh (NATDEPFILES): Add inf-child.o, inf-ptrace.o, i386bsd-nat.o and bsd-kvm.o. Remove inftarg.o. (LOADLIBES): New variable. * config/i386/nbsdelf.mh (NATDEPFILES): Add inf-child.o and inf-ptrace.o. Remove inftarg.o. * config/i386/obsd.mh (NATDEPFILES): Add inf-child.o and inf-ptrace.o. Remove inftarg.o. * config/i386/obsdaout.mh (NATDEPFILES): Add inf-child.o, inf-ptrace.o, i386nbsd-nat.o and bsd-kvm.o. Remove inftarg.o. (LOADLIBES): New variable. * Makefile.in (i386bsd_nat_h): New variable. (i386bsd-nat.o, i386fbsd-nat.o, i386nbsd-nat.o): Update dependencies.
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* Native-dependent code for NetBSD/i386.
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Copyright 2004 Free Software Foundation, Inc.
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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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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "target.h"
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#include "i386-tdep.h"
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#include "i386bsd-nat.h"
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/* Support for debugging kernel virtual memory images. */
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#include <sys/types.h>
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#include <machine/frame.h>
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#include <machine/pcb.h>
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#include "bsd-kvm.h"
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static int
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i386nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb)
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{
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struct switchframe sf;
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/* The following is true for NetBSD 1.6.2:
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The pcb contains %esp and %ebp at the point of the context switch
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in cpu_switch(). At that point we have a stack frame as
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described by `struct switchframe', which for NetBSD 1.6.2 has the
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following layout:
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interrupt level
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%edi
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%esi
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%ebx
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%eip
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we reconstruct the register state as it would look when we just
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returned from cpu_switch(). */
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/* The stack pointer shouldn't be zero. */
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if (pcb->pcb_esp == 0)
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return 0;
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read_memory (pcb->pcb_esp, (char *) &sf, sizeof sf);
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pcb->pcb_esp += sizeof (struct switchframe);
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regcache_raw_supply (regcache, I386_EDI_REGNUM, &sf.sf_edi);
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regcache_raw_supply (regcache, I386_ESI_REGNUM, &sf.sf_esi);
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regcache_raw_supply (regcache, I386_EBP_REGNUM, &pcb->pcb_ebp);
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regcache_raw_supply (regcache, I386_ESP_REGNUM, &pcb->pcb_esp);
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regcache_raw_supply (regcache, I386_EBX_REGNUM, &sf.sf_ebx);
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regcache_raw_supply (regcache, I386_EIP_REGNUM, &sf.sf_eip);
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return 1;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_i386nbsd_nat (void);
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void
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_initialize_i386nbsd_nat (void)
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{
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/* We've got nothing to add to the common *BSD/i386 target. */
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add_target (i386bsd_target ());
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/* Support debugging kernel virtual memory images. */
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bsd_kvm_add_target (i386nbsd_supply_pcb);
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}
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