From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7560 invoked by alias); 5 Aug 2004 18:51:03 -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 7529 invoked from network); 5 Aug 2004 18:51:02 -0000 Received: from unknown (HELO biscayne-one-station.mit.edu) (18.7.7.80) by sourceware.org with SMTP; 5 Aug 2004 18:51:02 -0000 Received: from manawatu-mail-centre.mit.edu (MANAWATU-MAIL-CENTRE.MIT.EDU [18.7.7.71]) by biscayne-one-station.mit.edu (8.12.4/8.9.2) with ESMTP id i75Ip1nv000854 for ; Thu, 5 Aug 2004 14:51:01 -0400 (EDT) Received: from contents-vnder-pressvre.mit.edu (CONTENTS-VNDER-PRESSVRE.MIT.EDU [18.7.16.67]) (authenticated bits=56) (User authenticated as nathanw@ATHENA.MIT.EDU) by manawatu-mail-centre.mit.edu (8.12.4/8.12.4) with ESMTP id i75Ip0oM015567 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 5 Aug 2004 14:51:01 -0400 (EDT) Received: (from nathanw@localhost) by contents-vnder-pressvre.mit.edu (8.12.9) id i75Ip0XJ005151; Thu, 5 Aug 2004 14:51:00 -0400 (EDT) To: gdb-patches@sources.redhat.com Subject: [RFA] BSD KVM support for NetBSD/powerpc From: "Nathan J. Williams" Organization: Wasabi Systems, Inc. Date: Thu, 05 Aug 2004 18:51:00 -0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2004-08/txt/msg00128.txt.bz2 Pretty much like it says. 2004-08-05 Nathan J. Williams * ppcnbsd-nat.c: Include , , "gdbcore.h", "regcache.h", and "bsd-kvm.h". (ppcnbsd_supply_pcb): New function. (_initialize_ppcnbsd_nat): New prototype and function. * config/powerpc/nbsd.mh (NATDEPFILES): Add bsd-kvm.o. (LOADLIBES): New variable. * Makefile.in (ppcnbsd-nat.o): Update dependencies. Index: gdb/ppcnbsd-nat.c =================================================================== RCS file: /cvs/src/src/gdb/ppcnbsd-nat.c,v retrieving revision 1.15 diff -u -r1.15 ppcnbsd-nat.c --- gdb/ppcnbsd-nat.c 13 May 2004 19:27:07 -0000 1.15 +++ gdb/ppcnbsd-nat.c 5 Aug 2004 18:44:31 -0000 @@ -1,5 +1,5 @@ /* Native-dependent code for PowerPC's running NetBSD, for GDB. - Copyright 2002 Free Software Foundation, Inc. + Copyright 2002, 2004 Free Software Foundation, Inc. Contributed by Wasabi Systems, Inc. This file is part of GDB. @@ -22,10 +22,15 @@ #include #include #include +#include +#include #include "defs.h" #include "inferior.h" #include "gdb_assert.h" +#include "gdbcore.h" +#include "regcache.h" +#include "bsd-kvm.h" #include "ppc-tdep.h" #include "ppcnbsd-tdep.h" @@ -134,3 +139,44 @@ perror_with_name ("Couldn't set FP registers"); } } + +static int +ppcnbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) +{ + struct switchframe sf; + struct callframe cf; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + int i; + + /* The stack pointer shouldn't be zero. */ + if (pcb->pcb_sp == 0) + return 0; + + read_memory (pcb->pcb_sp, (char *) &sf, sizeof sf); + regcache_raw_supply (regcache, tdep->ppc_cr_regnum, &sf.cr); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 2, &sf.fixreg2); + for (i = 0 ; i < 19 ; i++) + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 13 + i, + &sf.fixreg[i]); + + read_memory(sf.sp, (char *)&cf, sizeof(cf)); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 30, &cf.r30); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 31, &cf.r31); + regcache_raw_supply (regcache, tdep->ppc_gp0_regnum + 1, &cf.sp); + + read_memory(cf.sp, (char *)&cf, sizeof(cf)); + regcache_raw_supply (regcache, tdep->ppc_lr_regnum, &cf.lr); + regcache_raw_supply (regcache, PC_REGNUM, &cf.lr); + + return 1; +} + +/* Provide a prototype to silence -Wmissing-prototypes. */ +void _initialize_ppcnbsd_nat (void); + +void +_initialize_ppcnbsd_nat (void) +{ + /* Support debugging kernel virtual memory images. */ + bsd_kvm_add_target (ppcnbsd_supply_pcb); +} Index: gdb/Makefile.in =================================================================== RCS file: /cvs/src/src/gdb/Makefile.in,v retrieving revision 1.605 diff -u -r1.605 Makefile.in --- gdb/Makefile.in 5 Aug 2004 14:34:16 -0000 1.605 +++ gdb/Makefile.in 5 Aug 2004 18:44:32 -0000 @@ -2281,7 +2281,8 @@ $(objfiles_h) $(regcache_h) $(value_h) $(osabi_h) $(regset_h) \ $(solib_svr4_h) $(ppc_tdep_h) $(trad_frame_h) $(frame_unwind_h) ppcnbsd-nat.o: ppcnbsd-nat.c $(defs_h) $(inferior_h) $(gdb_assert_h) \ - $(ppc_tdep_h) $(ppcnbsd_tdep_h) + $(ppc_tdep_h) $(ppcnbsd_tdep_h) $(gdbcore.h) $(regcache_h) \ + $(bsd_kvm_h) ppcnbsd-tdep.o: ppcnbsd-tdep.c $(defs_h) $(gdbcore_h) $(regcache_h) \ $(target_h) $(breakpoint_h) $(value_h) $(osabi_h) $(ppc_tdep_h) \ $(ppcnbsd_tdep_h) $(nbsd_tdep_h) $(tramp_frame_h) $(trad_frame_h) \ Index: gdb/config/powerpc/nbsd.mh =================================================================== RCS file: /cvs/src/src/gdb/config/powerpc/nbsd.mh,v retrieving revision 1.11 diff -u -r1.11 nbsd.mh --- gdb/config/powerpc/nbsd.mh 30 May 2002 01:21:53 -0000 1.11 +++ gdb/config/powerpc/nbsd.mh 5 Aug 2004 18:44:32 -0000 @@ -1,3 +1,5 @@ # Host: PowerPC, running NetBSD -NATDEPFILES= fork-child.o infptrace.o inftarg.o ppcnbsd-nat.o +NATDEPFILES= fork-child.o infptrace.o inftarg.o ppcnbsd-nat.o bsd-kvm.o NAT_FILE= nm-nbsd.h + +LOADLIBES= -lkvm