From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23621 invoked by alias); 27 Jun 2004 16:23:09 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 23487 invoked from network); 27 Jun 2004 16:23:06 -0000 Received: from unknown (HELO walton.kettenis.dyndns.org) (213.93.77.109) by sourceware.org with SMTP; 27 Jun 2004 16:23:06 -0000 Received: from elgar.kettenis.dyndns.org (elgar.kettenis.dyndns.org [192.168.0.2]) by walton.kettenis.dyndns.org (8.12.6p3/8.12.6) with ESMTP id i5RGN5M1000556 for ; Sun, 27 Jun 2004 18:23:05 +0200 (CEST) (envelope-from kettenis@elgar.kettenis.dyndns.org) Received: from elgar.kettenis.dyndns.org (localhost [127.0.0.1]) by elgar.kettenis.dyndns.org (8.12.6p3/8.12.6) with ESMTP id i5RGN4U2007749 for ; Sun, 27 Jun 2004 18:23:05 +0200 (CEST) (envelope-from kettenis@elgar.kettenis.dyndns.org) Received: (from kettenis@localhost) by elgar.kettenis.dyndns.org (8.12.6p3/8.12.6/Submit) id i5RGN4Hd007746; Sun, 27 Jun 2004 18:23:04 +0200 (CEST) Date: Sun, 27 Jun 2004 16:23:00 -0000 Message-Id: <200406271623.i5RGN4Hd007746@elgar.kettenis.dyndns.org> From: Mark Kettenis To: gdb-patches@sources.redhat.com Subject: [PATCH] Add libkvm interface support for NetBSD/i386 and OpenBSD/i386 X-SW-Source: 2004-06/txt/msg00598.txt.bz2 Committed, Mark Index: ChangeLog from Mark Kettenis * 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. Index: Makefile.in =================================================================== RCS file: /cvs/src/src/gdb/Makefile.in,v retrieving revision 1.590 diff -u -p -r1.590 Makefile.in --- Makefile.in 26 Jun 2004 11:47:53 -0000 1.590 +++ Makefile.in 27 Jun 2004 16:21:45 -0000 @@ -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 $(d 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) \ Index: i386nbsd-nat.c =================================================================== RCS file: i386nbsd-nat.c diff -N i386nbsd-nat.c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ i386nbsd-nat.c 27 Jun 2004 16:21:45 -0000 @@ -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 +#include +#include + +#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); +} Index: config/i386/nbsdelf.mh =================================================================== RCS file: /cvs/src/src/gdb/config/i386/nbsdelf.mh,v retrieving revision 1.15 diff -u -p -r1.15 nbsdelf.mh --- config/i386/nbsdelf.mh 22 Feb 2004 16:20:22 -0000 1.15 +++ config/i386/nbsdelf.mh 27 Jun 2004 16:21:45 -0000 @@ -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 Index: config/i386/obsd.mh =================================================================== RCS file: /cvs/src/src/gdb/config/i386/obsd.mh,v retrieving revision 1.8 diff -u -p -r1.8 obsd.mh --- config/i386/obsd.mh 22 Feb 2004 16:20:22 -0000 1.8 +++ config/i386/obsd.mh 27 Jun 2004 16:21:45 -0000 @@ -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 +