ports/66849: Responding to request to not use cvs retrieval of distfiles
John R.Shannon
john at johnrshannon.com
Wed May 19 00:20:25 UTC 2004
>Number: 66849
>Category: ports
>Synopsis: Responding to request to not use cvs retrieval of distfiles
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: maintainer-update
>Submitter-Id: current-users
>Arrival-Date: Tue May 18 17:20:19 PDT 2004
>Closed-Date:
>Last-Modified:
>Originator: John R. Shannon
>Release: FreeBSD 5.2.1-RELEASE i386
>Organization:
johnrshannon.com
>Environment:
System: FreeBSD pablo.internal.johnrshannon.com 5.2.1-RELEASE FreeBSD 5.2.1-RELEASE #3: Fri Feb 27 13:57:29 MST 2004 root at pablo.internal.johnrshannon.com:/usr/obj/usr/src/sys/MYKERNEL i386
>Description:
This port retrieved it's distfiles via CVS. This created problems on
some machines located behind firewalls. To correct this, I made a
distribution file and placed it on my http server. It would be nice
if it could be mirrored as my server lacks the availability and
bandwidth of a server located in a hosting center or ISP.
>How-To-Repeat:
>Fix:
# This is a shell archive. Save it in a file, remove anything before
# this line, and then unpack it by entering "sh file". Note, it may
# create directories; files and directories will be owned by you and
# have default permissions.
#
# This archive contains:
#
# /usr/ports/devel/gdb53-act
# /usr/ports/devel/gdb53-act/files
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_defs.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_i386-tdep.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_sparc-tdep.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_symfile.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_target.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_target.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_version.in
# /usr/ports/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h
# /usr/ports/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c
# /usr/ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c
# /usr/ports/devel/gdb53-act/Makefile
# /usr/ports/devel/gdb53-act/distinfo
# /usr/ports/devel/gdb53-act/pkg-descr
# /usr/ports/devel/gdb53-act/OLD-DIRS
#
echo c - /usr/ports/devel/gdb53-act
mkdir -p /usr/ports/devel/gdb53-act > /dev/null 2>&1
echo c - /usr/ports/devel/gdb53-act/files
mkdir -p /usr/ports/devel/gdb53-act/files > /dev/null 2>&1
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh'
X--- gdb/config/alpha/fbsd.mh Sat Jan 19 17:12:50 2002
X+++ gdb/config/alpha/fbsd.mh Sun Oct 13 12:22:36 2002
X@@ -1,5 +1,6 @@
X # Host: FreeBSD/Alpha
X NATDEPFILES= fork-child.o infptrace.o inftarg.o \
X solib.o solib-svr4.o solib-legacy.o \
X- corelow.o core-regset.o alphabsd-nat.o
X+ corelow.o core-regset.o alphabsd-nat.o freebsd-uthread.o kvm-fbsd.o
X NAT_FILE= nm-fbsd.h
X+NAT_CLIBS= -lkvm
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_fbsd.mh
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h'
X--- gdb/config/alpha/nm-fbsd.h Tue Mar 6 00:21:21 2001
X+++ gdb/config/alpha/nm-fbsd.h Sun Oct 13 12:23:51 2002
X@@ -22,6 +22,8 @@
X #ifndef NM_FBSD_H
X #define NM_FBSD_H
X
X+#include "config/nm-fbsd.h"
X+
X /* Type of the third argument to the `ptrace' system call. */
X #define PTRACE_ARG3_TYPE caddr_t
X
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_alpha_nm-fbsd.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh'
X--- gdb/config/i386/fbsd.mh Sat May 11 10:22:27 2002
X+++ gdb/config/i386/fbsd.mh Sun Oct 13 11:50:47 2002
X@@ -4,4 +4,6 @@
X
X NAT_FILE= nm-fbsd.h
X # NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
X-NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o
X+NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o kvm-fbsd.o freebsd-uthread.o
X+
X+NAT_CLIBS= -lkvm
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_fbsd.mh
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h'
X--- gdb/config/i386/nm-fbsd.h Fri Jun 28 11:44:49 2002
X+++ gdb/config/i386/nm-fbsd.h Sun Oct 13 10:53:27 2002
X@@ -26,6 +26,7 @@
X #define I386_USE_GENERIC_WATCHPOINTS
X #endif
X
X+#include "config/nm-fbsd.h"
X #include "i386/nm-i386.h"
X
X #ifdef HAVE_SYS_PARAM_H
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_i386_nm-fbsd.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh'
X--- gdb/config/sparc/fbsd.mh.orig Wed Mar 13 03:20:24 2002
X+++ gdb/config/sparc/fbsd.mh Thu Oct 17 05:59:25 2002
X@@ -19,7 +19,7 @@
X # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
X
X # Host: FreeBSD/sparc64
X-NATDEPFILES= sparc-nat.o \
X- corelow.o fork-child.o infptrace.o inftarg.o \
X- solib.o solib-svr4.o solib-legacy.o
X+NATDEPFILES= fork-child.o infptrace.o inftarg.o sparc64nbsd-nat.o \
X+ solib.o solib-svr4.o solib-legacy.o kvm-fbsd.o
X NAT_FILE= nm-fbsd.h
X+NAT_CLIBS= -lkvm
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mh
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt'
X--- gdb/config/sparc/fbsd.mt.orig Wed Mar 13 03:20:24 2002
X+++ gdb/config/sparc/fbsd.mt Thu Oct 17 05:59:59 2002
X@@ -19,5 +19,6 @@
X # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
X
X # Target: FreeBSD/sparc64
X-TDEPFILES= sparc-tdep.o solib.o solib-svr4.o solib-legacy.o
X+TDEPFILES= sparc-tdep.o sparcnbsd-tdep.o nbsd-tdep.o corelow.o solib.o \
X+ solib-svr4.o solib-legacy.o
X TM_FILE= tm-fbsd.h
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_fbsd.mt
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h'
X--- gdb/config/sparc/nm-fbsd.h.orig Fri Mar 1 18:35:24 2002
X+++ gdb/config/sparc/nm-fbsd.h Tue Oct 22 16:33:14 2002
X@@ -32,36 +32,45 @@
X #define ATTACH_DETACH
X
X
X-/* Shared library support. */
X+#include "regcache.h"
X+
X+/* Get generic FreeBSD native definitions. */
X+
X+#include "config/nm-fbsd.h"
X+
X+/* Shared library support. */
X
X #define SVR4_SHARED_LIBS
X
X #include "solib.h" /* Support for shared libraries. */
X #include "elf/common.h" /* Additional ELF shared library info. */
X
X-/* Make things match up with what is expected in sparc-nat.c. */
X+/* Before storing, we need to read all the registers. */
X+
X+#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
X+
X+#define REG32_OFFSET_GLOBAL (0)
X+#define REG32_OFFSET_OUT (32)
X+#define REG32_OFFSET_NPC (96)
X+#define REG32_OFFSET_PC (100)
X+#define REG32_OFFSET_PSR (104)
X+#define REG32_OFFSET_Y (112)
X+#define REG32_SIZE (128)
X+#define FPREG32_SIZE (136)
X+
X+#define REG64_OFFSET_GLOBAL (0)
X+#define REG64_OFFSET_OUT (64)
X+#define REG64_OFFSET_NPC (192)
X+#define REG64_OFFSET_PC (200)
X+#define REG64_OFFSET_TSTATE (208)
X+#define REG64_OFFSET_Y (224)
X+#define REG64_SIZE (256)
X+#define FPREG64_SIZE (272)
X+
X+#define JB32_OFFSET_PC REG32_OFFSET_PC
X+#define JB64_OFFSET_PC REG64_OFFSET_PC
X
X-#define PTRACE_GETREGS PT_GETREGS
X-#define PTRACE_SETREGS PT_SETREGS
X-#define PTRACE_GETFPREGS PT_GETFPREGS
X-#define PTRACE_SETFPREGS PT_SETFPREGS
X-
X-#define GDB_GREGSET_T struct reg
X-#define GDB_FPREGSET_T struct fpreg
X-
X-#define regs trapframe
X-#define r_g1 tf_global[1]
X-#define r_ps tf_tstate
X-#define r_pc tf_tpc
X-#define r_npc tf_tnpc
X-#define r_y tf_y
X-
X-#define FPU_FSR_TYPE unsigned long
X-#define fp_status fpreg /* our reg.h */
X-#define fpu fpreg /* our reg.h */
X-#define fpu_regs fr_regs /* one field of fpu_fr on Solaris */
X-#define fpu_fr fr_regs /* a union w/in struct fpu on Solaris */
X-#define fpu_fsr fr_fsr
X-#define Fpu_fsr fr_fsr
X+#define reg64 reg
X+#define fpreg64 fpreg
X
X #endif /* NM_FBSD_H */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_nm-fbsd.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h'
X--- gdb/config/sparc/tm-fbsd.h.orig Fri Mar 1 18:35:24 2002
X+++ gdb/config/sparc/tm-fbsd.h Thu Oct 17 06:01:10 2002
X@@ -22,13 +22,7 @@
X #define TM_FBSD_H
X
X #define SVR4_SHARED_LIBS
X+#include "sparc/tm-sp64.h" /* sets GDB_MULTI_ARCH */
X #include "solib.h" /* Support for shared libraries. */
X-#include "sparc/tm-sp64.h"
X-
X-/* Number of traps that happen between exec'ing the shell to run an
X- inferior, and when we finally get to the inferior code. The
X- default is right for FreeBSD. */
X-
X-#undef START_INFERIOR_TRAPS_EXPECTED
X
X #endif /* TM_FBSD_H */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_sparc_tm-fbsd.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_defs.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_defs.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_defs.h'
X--- gdb/defs.h Thu Aug 1 10:18:32 2002
X+++ gdb/defs.h Sun Oct 13 10:44:10 2002
X@@ -39,8 +39,6 @@
X #include <unistd.h>
X #endif
X
X-#include "gdb_locale.h"
X-
X /* For ``enum target_signal''. */
X #include "gdb/signals.h"
X
X@@ -57,6 +55,8 @@
X here and in all subsequent file inclusions. */
X
X #include "ansidecl.h"
X+
X+#include "gdb_locale.h"
X
X #include <stdarg.h> /* for va_list */
X
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_defs.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c'
X--- gdb/freebsd-uthread.c Wed Dec 31 16:00:00 1969
X+++ gdb/freebsd-uthread.c Sun Oct 13 13:10:51 2002
X@@ -0,0 +1,934 @@
X+/* $FreeBSD: ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c,v 1.1 2003/09/27 07:38:23 edwin Exp $ */
X+/* Low level interface for debugging FreeBSD user threads for GDB, the GNU debugger.
X+ Copyright 1996, 1999 Free Software Foundation, Inc.
X+
X+This file is part of GDB.
X+
X+This program is free software; you can redistribute it and/or modify
X+it under the terms of the GNU General Public License as published by
X+the Free Software Foundation; either version 2 of the License, or
X+(at your option) any later version.
X+
X+This program is distributed in the hope that it will be useful,
X+but WITHOUT ANY WARRANTY; without even the implied warranty of
X+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
X+GNU General Public License for more details.
X+
X+You should have received a copy of the GNU General Public License
X+along with this program; if not, write to the Free Software
X+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
X+
X+/* This module implements a sort of half target that sits between the
X+ machine-independent parts of GDB and the ptrace interface (infptrace.c) to
X+ provide access to the FreeBSD user-mode thread implementation.
X+
X+ FreeBSD threads are true user-mode threads, which are invoked via
X+ the pthread_* interfaces. These are mostly implemented in
X+ user-space, with all thread context kept in various structures that
X+ live in the user's heap. For the most part, the kernel has no
X+ knowlege of these threads.
X+
X+ Based largely on hpux-thread.c
X+
X+ */
X+
X+
X+#include "defs.h"
X+#include <sys/queue.h>
X+#include <signal.h>
X+#include <setjmp.h>
X+#include <string.h>
X+#include "gdbthread.h"
X+#include "target.h"
X+#include "inferior.h"
X+#include <fcntl.h>
X+#include <ucontext.h>
X+#include <unistd.h>
X+#include <sys/stat.h>
X+#include "gdbcore.h"
X+#include "regcache.h"
X+
X+extern int child_suppress_run;
X+extern struct target_ops child_ops; /* target vector for inftarg.c */
X+
X+extern void _initialize_freebsd_uthread PARAMS ((void));
X+
X+/* Set to true while we are part-way through attaching */
X+static int freebsd_uthread_attaching;
X+
X+static int freebsd_uthread_active = 0;
X+static CORE_ADDR P_thread_list;
X+static CORE_ADDR P_thread_run;
X+
X+/* Pointer to the next function on the objfile event chain. */
X+static void (*target_new_objfile_chain) (struct objfile *objfile);
X+
X+static void freebsd_uthread_resume PARAMS ((ptid_t pid, int step,
X+ enum target_signal signo));
X+
X+static void init_freebsd_uthread_ops PARAMS ((void));
X+
X+static struct target_ops freebsd_uthread_ops;
X+
X+static ptid_t find_active_ptid PARAMS ((void));
X+
X+struct cached_pthread {
X+ u_int64_t uniqueid;
X+ int state;
X+ CORE_ADDR name;
X+ union {
X+ ucontext_t uc;
X+ jmp_buf jb;
X+ } ctx;
X+};
X+
X+static ptid_t cached_ptid;
X+static struct cached_pthread cached_pthread;
X+static CORE_ADDR cached_pthread_addr;
X+
X+LIST_HEAD(idmaplist, idmap);
X+
X+struct idmap {
X+ LIST_ENTRY(idmap) link;
X+ u_int64_t uniqueid;
X+ int tid;
X+};
X+
X+#define MAPHASH_SIZE 257
X+#define TID_MIN 1
X+#define TID_MAX 16383
X+
X+static int tid_to_hash[TID_MAX + 1]; /* set to map_hash index */
X+static struct idmaplist map_hash[MAPHASH_SIZE];
X+static int next_free_tid = TID_MIN; /* first available tid */
X+static int last_free_tid = TID_MIN; /* first unavailable */
X+
X+static CORE_ADDR P_thread_next_offset;
X+static CORE_ADDR P_thread_uniqueid_offset;
X+static CORE_ADDR P_thread_state_offset;
X+static CORE_ADDR P_thread_name_offset;
X+static CORE_ADDR P_thread_ctx_offset;
X+static CORE_ADDR P_thread_PS_RUNNING_value;
X+static CORE_ADDR P_thread_PS_DEAD_value;
X+
X+static int next_offset;
X+static int uniqueid_offset;
X+static int state_offset;
X+static int name_offset;
X+static int ctx_offset;
X+static int PS_RUNNING_value;
X+static int PS_DEAD_value;
X+
X+#define UNIQUEID_HASH(id) (id % MAPHASH_SIZE)
X+#define TID_ADD1(tid) (((tid) + 1) == TID_MAX + 1 \
X+ ? TID_MIN : (tid) + 1)
X+#define IS_TID_FREE(tid) (tid_to_hash[tid] == -1)
X+
X+static int
X+get_new_tid(int h)
X+{
X+ int tid = next_free_tid;
X+
X+ tid_to_hash[tid] = h;
X+ next_free_tid = TID_ADD1(next_free_tid);
X+ if (next_free_tid == last_free_tid)
X+ {
X+ int i;
X+
X+ for (i = last_free_tid; TID_ADD1(i) != last_free_tid; i = TID_ADD1(i))
X+ if (IS_TID_FREE(i))
X+ break;
X+ if (TID_ADD1(i) == last_free_tid)
X+ {
X+ error("too many threads");
X+ return 0;
X+ }
X+ next_free_tid = i;
X+ for (i = TID_ADD1(i); IS_TID_FREE(i); i = TID_ADD1(i))
X+ ;
X+ last_free_tid = i;
X+ }
X+
X+ return tid;
X+}
X+
X+static ptid_t
X+find_ptid(u_int64_t uniqueid)
X+{
X+ int h = UNIQUEID_HASH(uniqueid);
X+ struct idmap *im;
X+
X+ LIST_FOREACH(im, &map_hash[h], link)
X+ if (im->uniqueid == uniqueid)
X+ return MERGEPID(PIDGET(inferior_ptid), im->tid);
X+
X+ im = xmalloc(sizeof(struct idmap));
X+ im->uniqueid = uniqueid;
X+ im->tid = get_new_tid(h);
X+ LIST_INSERT_HEAD(&map_hash[h], im, link);
X+
X+ return MERGEPID(PIDGET(inferior_ptid), im->tid);
X+}
X+
X+static void
X+free_ptid(ptid_t ptid)
X+{
X+ int tid = TIDGET(ptid);
X+ int h = tid_to_hash[tid];
X+ struct idmap *im;
X+
X+ if (!tid) return;
X+
X+ LIST_FOREACH(im, &map_hash[h], link)
X+ if (im->tid == tid)
X+ break;
X+
X+ if (!im) return;
X+
X+ LIST_REMOVE(im, link);
X+ tid_to_hash[tid] = -1;
X+ free(im);
X+}
X+
X+#define READ_OFFSET(field) read_memory(P_thread_##field##_offset, \
X+ (char *) &field##_offset, \
X+ sizeof(field##_offset))
X+
X+#define READ_VALUE(name) read_memory(P_thread_##name##_value, \
X+ (char *) &name##_value, \
X+ sizeof(name##_value))
X+
X+static void
X+read_thread_offsets (void)
X+{
X+ READ_OFFSET(next);
X+ READ_OFFSET(uniqueid);
X+ READ_OFFSET(state);
X+ READ_OFFSET(name);
X+ READ_OFFSET(ctx);
X+
X+ READ_VALUE(PS_RUNNING);
X+ READ_VALUE(PS_DEAD);
X+}
X+
X+#define READ_FIELD(ptr, T, field, result) \
X+ read_memory ((ptr) + field##_offset, (char *) &(result), sizeof result)
X+
X+static u_int64_t
X+read_pthread_uniqueid (CORE_ADDR ptr)
X+{
X+ u_int64_t uniqueid;
X+ READ_FIELD(ptr, u_int64_t, uniqueid, uniqueid);
X+ return uniqueid;
X+}
X+
X+static CORE_ADDR
X+read_pthread_next (CORE_ADDR ptr)
X+{
X+ CORE_ADDR next;
X+ READ_FIELD(ptr, CORE_ADDR, next, next);
X+ return next;
X+}
X+
X+static void
X+read_cached_pthread (CORE_ADDR ptr, struct cached_pthread *cache)
X+{
X+ READ_FIELD(ptr, u_int64_t, uniqueid, cache->uniqueid);
X+ READ_FIELD(ptr, int, state, cache->state);
X+ READ_FIELD(ptr, CORE_ADDR, name, cache->name);
X+ READ_FIELD(ptr, ucontext_t, ctx, cache->ctx);
X+}
X+
X+static ptid_t
X+find_active_ptid (void)
X+{
X+ CORE_ADDR ptr;
X+
X+ read_memory ((CORE_ADDR)P_thread_run,
X+ (char *)&ptr,
X+ sizeof ptr);
X+
X+ return find_ptid(read_pthread_uniqueid(ptr));
X+}
X+
X+static CORE_ADDR find_pthread_addr PARAMS ((ptid_t ptid));
X+static struct cached_pthread * find_pthread PARAMS ((ptid_t ptid));
X+
X+static CORE_ADDR
X+find_pthread_addr (ptid_t ptid)
X+{
X+ CORE_ADDR ptr;
X+
X+ if (ptid_equal(ptid, cached_ptid))
X+ return cached_pthread_addr;
X+
X+ read_memory ((CORE_ADDR)P_thread_list,
X+ (char *)&ptr,
X+ sizeof ptr);
X+
X+ while (ptr != 0)
X+ {
X+ if (ptid_equal(find_ptid(read_pthread_uniqueid(ptr)), ptid))
X+ {
X+ cached_ptid = ptid;
X+ cached_pthread_addr = ptr;
X+ read_cached_pthread(ptr, &cached_pthread);
X+ return ptr;
X+ }
X+ ptr = read_pthread_next(ptr);
X+ }
X+
X+ return NULL;
X+}
X+
X+static struct cached_pthread *
X+find_pthread (ptid_t ptid)
X+{
X+ CORE_ADDR ptr;
X+
X+ if (ptid_equal(ptid, cached_ptid))
X+ return &cached_pthread;
X+
X+ read_memory ((CORE_ADDR)P_thread_list,
X+ (char *)&ptr,
X+ sizeof ptr);
X+
X+ while (ptr != 0)
X+ {
X+ if (ptid_equal(find_ptid(read_pthread_uniqueid(ptr)), ptid))
X+ {
X+ cached_ptid = ptid;
X+ cached_pthread_addr = ptr;
X+ read_cached_pthread(ptr, &cached_pthread);
X+ return &cached_pthread;
X+ }
X+ ptr = read_pthread_next(ptr);
X+ }
X+
X+#if 0
X+ error ("Can't find pthread %d,%d", PIDGET(ptid), TIDGET(ptid));
X+#endif
X+ return NULL;
X+}
X+
X+
X+/* Most target vector functions from here on actually just pass through to
X+ inftarg.c, as they don't need to do anything specific for threads. */
X+
X+/* ARGSUSED */
X+static void
X+freebsd_uthread_open (char *arg, int from_tty)
X+{
X+ child_ops.to_open (arg, from_tty);
X+}
X+
X+/* Attach to process PID, then initialize for debugging it
X+ and wait for the trace-trap that results from attaching. */
X+
X+static void
X+freebsd_uthread_attach (char *args, int from_tty)
X+{
X+ child_ops.to_attach (args, from_tty);
X+ push_target (&freebsd_uthread_ops);
X+ freebsd_uthread_attaching = 1;
X+}
X+
X+/* After an attach, see if the target is threaded */
X+
X+static void
X+freebsd_uthread_post_attach (int pid)
X+{
X+ if (freebsd_uthread_active)
X+ {
X+ read_thread_offsets ();
X+ inferior_ptid = find_active_ptid ();
X+ add_thread (inferior_ptid);
X+ }
X+ else
X+ {
X+ unpush_target (&freebsd_uthread_ops);
X+ push_target (&child_ops);
X+ }
X+
X+ freebsd_uthread_attaching = 0;
X+}
X+
X+/* Take a program previously attached to and detaches it.
X+ The program resumes execution and will no longer stop
X+ on signals, etc. We'd better not have left any breakpoints
X+ in the program or it'll die when it hits one. For this
X+ to work, it may be necessary for the process to have been
X+ previously attached. It *might* work if the program was
X+ started via the normal ptrace (PTRACE_TRACEME). */
X+
X+static void
X+freebsd_uthread_detach (char *args, int from_tty)
X+{
X+ child_ops.to_detach (args, from_tty);
X+}
X+
X+/* Resume execution of process PID. If STEP is nozero, then
X+ just single step it. If SIGNAL is nonzero, restart it with that
X+ signal activated. We may have to convert pid from a thread-id to an LWP id
X+ for procfs. */
X+
X+static void
X+freebsd_uthread_resume (ptid_t ptid, int step, enum target_signal signo)
X+{
X+ if (freebsd_uthread_attaching)
X+ {
X+ child_ops.to_resume (ptid, step, signo);
X+ return;
X+ }
X+
X+ child_ops.to_resume (ptid, step, signo);
X+ cached_ptid = MERGEPID(0, 0);
X+}
X+
X+/* Wait for any threads to stop. We may have to convert PID from a thread id
X+ to a LWP id, and vice versa on the way out. */
X+
X+static ptid_t
X+freebsd_uthread_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
X+{
X+ ptid_t rtnval;
X+
X+ if (freebsd_uthread_attaching)
X+ {
X+ return child_ops.to_wait (ptid, ourstatus);
X+ }
X+
X+ rtnval = child_ops.to_wait (ptid, ourstatus);
X+
X+ if (PIDGET(rtnval) >= 0)
X+ {
X+ rtnval = find_active_ptid ();
X+ if (!in_thread_list (rtnval))
X+ add_thread (rtnval);
X+ }
X+
X+ return rtnval;
X+}
X+
X+/* XXX: this needs to be selected by target, not [build] host */
X+#ifdef __i386__
X+
X+#include "i386-tdep.h"
X+
X+static char sigmap[I386_SSE_NUM_REGS] = /* map reg to sigcontext */
X+{
X+ 12, /* eax */
X+ 11, /* ecx */
X+ 10, /* edx */
X+ 9, /* ebx */
X+ 8, /* esp */
X+ 7, /* ebp */
X+ 6, /* esi */
X+ 5, /* edi */
X+ 15, /* eip */
X+ 17, /* eflags */
X+ 16, /* cs */
X+ 19, /* ss */
X+ 4, /* ds */
X+ 3, /* es */
X+ 2, /* fs */
X+ 1, /* gs */
X+ -1, -1, -1, -1, -1, -1, -1, /* st0-st7 */
X+ -1, -1, -1, -1, -1, -1, -1, /* fctrl-fop */
X+ -1, -1, -1, -1, -1, -1, -1, /* xmm0-xmm7 */
X+ -1, /* mxcsr */
X+};
X+
X+static char jmpmap[I386_SSE_NUM_REGS] = /* map reg to jmp_buf */
X+{
X+ 6, /* eax */
X+ -1, /* ecx */
X+ -1, /* edx */
X+ 1, /* ebx */
X+ 2, /* esp */
X+ 3, /* ebp */
X+ 4, /* esi */
X+ 5, /* edi */
X+ 0, /* eip */
X+ -1, /* eflags */
X+ -1, /* cs */
X+ -1, /* ss */
X+ -1, /* ds */
X+ -1, /* es */
X+ -1, /* fs */
X+ -1, /* gs */
X+ -1, -1, -1, -1, -1, -1, -1, /* st0-st7 */
X+ -1, -1, -1, -1, -1, -1, -1, /* fctrl-fop */
X+ -1, -1, -1, -1, -1, -1, -1, /* xmm0-xmm7 */
X+ -1, /* mxcsr */
X+};
X+
X+#endif
X+
X+#ifdef __alpha__
X+
X+#include "alpha-tdep.h"
X+
X+static char sigmap[ALPHA_NUM_REGS] = /* map reg to sigcontext */
X+{
X+ 1, 2, 3, 4, 5, 6, 7, 8, /* v0 - t6 */
X+ 9, 10, 11, 12, 13, 14, 15, 16, /* t7 - fp */
X+ 17, 18, 19, 20, 21, 22, 23, 24, /* a0 - t9 */
X+ 25, 26, 27, 28, 29, 30, 31, 32, /* t10 - zero */
X+ 38, 39, 40, 41, 42, 43, 44, 45, /* f0 - f7 */
X+ 46, 47, 48, 49, 50, 51, 52, 53, /* f8 - f15 */
X+ 54, 55, 56, 57, 58, 59, 60, 61, /* f16 - f23 */
X+ 62, 63, 64, 65, 66, 67, 68, 69, /* f24 - f31 */
X+ 33, -1 /* pc, vfp */
X+};
X+static char jmpmap[ALPHA_NUM_REGS] = {
X+ 4, 5, 6, 7, 8, 9, 10, 11, /* v0 - t6 */
X+ 12, 13, 14, 15, 16, 17, 18, 19, /* t7 - fp */
X+ 20, 21, 22, 23, 24, 25, 26, 27, /* a0 - t9 */
X+ 28, 29, 30, 31, 32, 33, 34, 35, /* t10 - zero */
X+ 37, 38, 39, 40, 41, 42, 43, 44, /* f0 - f7 */
X+ 45, 46, 47, 48, 49, 50, 51, 52, /* f8 - f15 */
X+ 53, 54, 55, 56, 57, 58, 59, 60, /* f16 - f23 */
X+ 61, 62, 63, 64, 65, 66, 67, 68, /* f24 - f31 */
X+ 2, -1, /* pc, vfp */
X+};
X+
X+#endif
X+
X+#ifdef __sparc64__
X+
X+static char sigmap[125] = /* map reg to sigcontext */
X+{
X+ -1
X+};
X+static char jmpmap[125] = {
X+ -1
X+};
X+
X+#endif
X+
X+static void
X+freebsd_uthread_fetch_registers (int regno)
X+{
X+ struct cached_pthread *thread;
X+ int active;
X+ int first_regno, last_regno;
X+ register_t *regbase;
X+ char *regmap;
X+
X+ if (freebsd_uthread_attaching || TIDGET(inferior_ptid) == 0)
X+ {
X+ child_ops.to_fetch_registers (regno);
X+ return;
X+ }
X+
X+ thread = find_pthread (inferior_ptid);
X+ active = (ptid_equal(inferior_ptid, find_active_ptid()));
X+
X+ if (active)
X+ {
X+ child_ops.to_fetch_registers (regno);
X+ return;
X+ }
X+
X+ if (regno == -1)
X+ {
X+ first_regno = 0;
X+ last_regno = NUM_REGS - 1;
X+ }
X+ else
X+ {
X+ first_regno = regno;
X+ last_regno = regno;
X+ }
X+
X+ regbase = (register_t*) &thread->ctx.jb[0];
X+ regmap = jmpmap;
X+
X+ for (regno = first_regno; regno <= last_regno; regno++)
X+ {
X+ if (regmap[regno] == -1)
X+ child_ops.to_fetch_registers (regno);
X+ else
X+ if (thread)
X+ supply_register (regno, (char*) ®base[regmap[regno]]);
X+ else
X+ supply_register (regno, NULL);
X+ }
X+}
X+
X+static void
X+freebsd_uthread_store_registers (int regno)
X+{
X+ struct cached_pthread *thread;
X+ CORE_ADDR ptr;
X+ int first_regno, last_regno;
X+ u_int32_t *regbase;
X+ char *regmap;
X+
X+ if (freebsd_uthread_attaching)
X+ {
X+ child_ops.to_store_registers (regno);
X+ return;
X+ }
X+
X+ thread = find_pthread (inferior_ptid);
X+
X+ if (thread->state == PS_RUNNING_value)
X+ {
X+ child_ops.to_store_registers (regno);
X+ return;
X+ }
X+
X+ if (regno == -1)
X+ {
X+ first_regno = 0;
X+ last_regno = NUM_REGS - 1;
X+ }
X+ else
X+ {
X+ first_regno = regno;
X+ last_regno = regno;
X+ }
X+
X+ regbase = (u_int32_t*) &thread->ctx.jb[0];
X+ regmap = jmpmap;
X+
X+ ptr = find_pthread_addr (inferior_ptid);
X+ for (regno = first_regno; regno <= last_regno; regno++)
X+ {
X+ if (regmap[regno] == -1)
X+ child_ops.to_store_registers (regno);
X+ else
X+ {
X+ u_int32_t *reg = ®base[regmap[regno]];
X+ int off;
X+
X+ /* Hang onto cached value */
X+ memcpy(reg, registers + REGISTER_BYTE (regno),
X+ REGISTER_RAW_SIZE (regno));
X+
X+ /* And push out to inferior */
X+ off = (char *) reg - (char *) thread;
X+ write_memory (ptr + off,
X+ registers + REGISTER_BYTE (regno),
X+ REGISTER_RAW_SIZE (regno));
X+ }
X+ }
X+}
X+
X+/* Get ready to modify the registers array. On machines which store
X+ individual registers, this doesn't need to do anything. On machines
X+ which store all the registers in one fell swoop, this makes sure
X+ that registers contains all the registers from the program being
X+ debugged. */
X+
X+static void
X+freebsd_uthread_prepare_to_store (void)
X+{
X+ child_ops.to_prepare_to_store ();
X+}
X+
X+static int
X+freebsd_uthread_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
X+ int dowrite, struct mem_attrib *attrib,
X+ struct target_ops *target)
X+{
X+ return child_ops.to_xfer_memory (memaddr, myaddr, len, dowrite,
X+ attrib, target);
X+}
X+
X+/* Print status information about what we're accessing. */
X+
X+static void
X+freebsd_uthread_files_info (struct target_ops *ignore)
X+{
X+ child_ops.to_files_info (ignore);
X+}
X+
X+static void
X+freebsd_uthread_kill_inferior (void)
X+{
X+ child_ops.to_kill ();
X+}
X+
X+static void
X+freebsd_uthread_notice_signals (ptid_t ptid)
X+{
X+ child_ops.to_notice_signals (ptid);
X+}
X+
X+/* Fork an inferior process, and start debugging it with /proc. */
X+
X+static void
X+freebsd_uthread_create_inferior (char *exec_file, char *allargs, char **env)
X+{
X+ child_ops.to_create_inferior (exec_file, allargs, env);
X+
X+ if (PIDGET(inferior_ptid) && freebsd_uthread_active)
X+ {
X+ read_thread_offsets ();
X+ push_target (&freebsd_uthread_ops);
X+ inferior_ptid = find_active_ptid ();
X+ add_thread (inferior_ptid);
X+ }
X+}
X+
X+/* This routine is called to find out if the inferior is using threads.
X+ We check for the _thread_run and _thread_list globals. */
X+
X+void
X+freebsd_uthread_new_objfile (struct objfile *objfile)
X+{
X+ struct minimal_symbol *ms;
X+
X+ if (!objfile)
X+ {
X+ freebsd_uthread_active = 0;
X+ return;
X+ }
X+
X+ ms = lookup_minimal_symbol ("_thread_run", NULL, objfile);
X+
X+ if (!ms)
X+ return;
X+
X+ P_thread_run = SYMBOL_VALUE_ADDRESS (ms);
X+
X+ ms = lookup_minimal_symbol ("_thread_list", NULL, objfile);
X+
X+ if (!ms)
X+ return;
X+
X+ P_thread_list = SYMBOL_VALUE_ADDRESS (ms);
X+
X+#define OFFSET_SYM(field) "_thread_" #field "_offset"
X+#define LOOKUP_OFFSET(field) \
X+ do { \
X+ ms = lookup_minimal_symbol (OFFSET_SYM(field), NULL, objfile); \
X+ if (!ms) \
X+ return; \
X+ P_thread_##field##_offset = SYMBOL_VALUE_ADDRESS (ms); \
X+ } while (0);
X+
X+#define VALUE_SYM(name) "_thread_" #name "_value"
X+#define LOOKUP_VALUE(name) \
X+ do { \
X+ ms = lookup_minimal_symbol (VALUE_SYM(name), NULL, objfile); \
X+ if (!ms) \
X+ return; \
X+ P_thread_##name##_value = SYMBOL_VALUE_ADDRESS (ms); \
X+ } while (0);
X+
X+ LOOKUP_OFFSET(next);
X+ LOOKUP_OFFSET(uniqueid);
X+ LOOKUP_OFFSET(state);
X+ LOOKUP_OFFSET(name);
X+ LOOKUP_OFFSET(ctx);
X+
X+ LOOKUP_VALUE(PS_RUNNING);
X+ LOOKUP_VALUE(PS_DEAD);
X+
X+ freebsd_uthread_active = 1;
X+}
X+
X+/* Clean up after the inferior dies. */
X+
X+static void
X+freebsd_uthread_mourn_inferior ()
X+{
X+ child_ops.to_mourn_inferior ();
X+ unpush_target (&freebsd_uthread_ops);
X+}
X+
X+/* Mark our target-struct as eligible for stray "run" and "attach" commands. */
X+
X+static int
X+freebsd_uthread_can_run ()
X+{
X+ return child_suppress_run;
X+}
X+
X+static int
X+freebsd_uthread_thread_alive (ptid_t ptid)
X+{
X+ struct cached_pthread *thread;
X+ int ret = 0;
X+
X+ if (freebsd_uthread_attaching)
X+ return 1;
X+
X+ /*
X+ * We can get called from child_ops.to_wait() which passes the underlying
X+ * pid (without a thread number).
X+ */
X+ if (TIDGET(ptid) == 0)
X+ return 1;
X+
X+ if (find_pthread_addr (ptid) != 0)
X+ {
X+ thread = find_pthread (ptid);
X+ ret = (thread->state != PS_DEAD_value);
X+ }
X+
X+ if (!ret)
X+ free_ptid(ptid);
X+
X+ return ret;
X+}
X+
X+static void
X+freebsd_uthread_stop (void)
X+{
X+ child_ops.to_stop ();
X+}
X+
X+static void
X+freebsd_uthread_find_new_threads (void)
X+{
X+ CORE_ADDR ptr;
X+ int state;
X+ u_int64_t uniqueid;
X+
X+ read_memory ((CORE_ADDR)P_thread_list,
X+ (char *)&ptr,
X+ sizeof ptr);
X+
X+ while (ptr != 0)
X+ {
X+ READ_FIELD(ptr, int, state, state);
X+ READ_FIELD(ptr, u_int64_t, uniqueid, uniqueid);
X+ if (state != PS_DEAD_value &&
X+ !in_thread_list (find_ptid(uniqueid)))
X+ add_thread (find_ptid(uniqueid));
X+ ptr = read_pthread_next(ptr);
X+ }
X+}
X+
X+/* MUST MATCH enum pthread_state */
X+static const char *statenames[] = {
X+ "RUNNING",
X+ "SIGTHREAD",
X+ "MUTEX_WAIT",
X+ "COND_WAIT",
X+ "FDLR_WAIT",
X+ "FDLW_WAIT",
X+ "FDR_WAIT",
X+ "FDW_WAIT",
X+ "POLL_WAIT",
X+ "FILE_WAIT",
X+ "SELECT_WAIT",
X+ "SLEEP_WAIT",
X+ "WAIT_WAIT",
X+ "SIGSUSPEND",
X+ "SIGWAIT",
X+ "SPINBLOCK",
X+ "JOIN",
X+ "SUSPENDED",
X+ "DEAD",
X+ "DEADLOCK",
X+};
X+
X+#if 0
X+
X+static int
X+freebsd_uthread_get_thread_info (ref, selection, info)
X+ gdb_threadref *ref;
X+ int selection;
X+ struct gdb_ext_thread_info *info;
X+{
X+ int pid = *ref;
X+ struct cached_pthread *thread = find_pthread (pid);
X+ struct cleanup *old_chain;
X+
X+ old_chain = save_inferior_pid ();
X+ inferior_pid = main_pid;
X+
X+ memset(&info->threadid, 0, OPAQUETHREADBYTES);
X+
X+ memcpy(&info->threadid, ref, sizeof *ref);
X+ info->active = thread->state == PS_RUNNING_value;
X+ strcpy(info->display, statenames[thread->state]);
X+ if (thread->name)
X+ read_memory ((CORE_ADDR) thread->name, info->shortname, 32);
X+ else
X+ strcpy(info->shortname, "");
X+
X+ do_cleanups (old_chain);
X+ return (0);
X+}
X+
X+#endif
X+
X+char *
X+freebsd_uthread_pid_to_str (ptid_t ptid)
X+{
X+ static char buf[30];
X+
X+ if (STREQ (current_target.to_shortname, "freebsd-uthreads"))
X+ sprintf (buf, "Process %d, Thread %ld",
X+ PIDGET(ptid), TIDGET(ptid));
X+ else
X+ sprintf (buf, "Process %d", PIDGET(ptid));
X+
X+ return buf;
X+}
X+
X+
X+static void
X+init_freebsd_uthread_ops ()
X+{
X+ freebsd_uthread_ops.to_shortname = "freebsd-uthreads";
X+ freebsd_uthread_ops.to_longname = "FreeBSD uthreads";
X+ freebsd_uthread_ops.to_doc = "FreeBSD user threads support.";
X+ freebsd_uthread_ops.to_open = freebsd_uthread_open;
X+ freebsd_uthread_ops.to_attach = freebsd_uthread_attach;
X+ freebsd_uthread_ops.to_post_attach = freebsd_uthread_post_attach;
X+ freebsd_uthread_ops.to_detach = freebsd_uthread_detach;
X+ freebsd_uthread_ops.to_resume = freebsd_uthread_resume;
X+ freebsd_uthread_ops.to_wait = freebsd_uthread_wait;
X+ freebsd_uthread_ops.to_fetch_registers = freebsd_uthread_fetch_registers;
X+ freebsd_uthread_ops.to_store_registers = freebsd_uthread_store_registers;
X+ freebsd_uthread_ops.to_prepare_to_store = freebsd_uthread_prepare_to_store;
X+ freebsd_uthread_ops.to_xfer_memory = freebsd_uthread_xfer_memory;
X+ freebsd_uthread_ops.to_files_info = freebsd_uthread_files_info;
X+ freebsd_uthread_ops.to_insert_breakpoint = memory_insert_breakpoint;
X+ freebsd_uthread_ops.to_remove_breakpoint = memory_remove_breakpoint;
X+ freebsd_uthread_ops.to_terminal_init = terminal_init_inferior;
X+ freebsd_uthread_ops.to_terminal_inferior = terminal_inferior;
X+ freebsd_uthread_ops.to_terminal_ours_for_output = terminal_ours_for_output;
X+ freebsd_uthread_ops.to_terminal_ours = terminal_ours;
X+ freebsd_uthread_ops.to_terminal_info = child_terminal_info;
X+ freebsd_uthread_ops.to_kill = freebsd_uthread_kill_inferior;
X+ freebsd_uthread_ops.to_create_inferior = freebsd_uthread_create_inferior;
X+ freebsd_uthread_ops.to_mourn_inferior = freebsd_uthread_mourn_inferior;
X+ freebsd_uthread_ops.to_can_run = freebsd_uthread_can_run;
X+ freebsd_uthread_ops.to_notice_signals = freebsd_uthread_notice_signals;
X+ freebsd_uthread_ops.to_thread_alive = freebsd_uthread_thread_alive;
X+ freebsd_uthread_ops.to_stop = freebsd_uthread_stop;
X+ freebsd_uthread_ops.to_stratum = process_stratum;
X+ freebsd_uthread_ops.to_has_all_memory = 1;
X+ freebsd_uthread_ops.to_has_memory = 1;
X+ freebsd_uthread_ops.to_has_stack = 1;
X+ freebsd_uthread_ops.to_has_registers = 1;
X+ freebsd_uthread_ops.to_has_execution = 1;
X+ freebsd_uthread_ops.to_has_thread_control = 0;
X+ freebsd_uthread_ops.to_magic = OPS_MAGIC;
X+ freebsd_uthread_ops.to_find_new_threads = freebsd_uthread_find_new_threads;
X+ freebsd_uthread_ops.to_pid_to_str = freebsd_uthread_pid_to_str;
X+#if 0
X+ freebsd_uthread_vec.get_thread_info = freebsd_uthread_get_thread_info;
X+#endif
X+}
X+
X+void
X+_initialize_freebsd_uthread ()
X+{
X+ init_freebsd_uthread_ops ();
X+ add_target (&freebsd_uthread_ops);
X+
X+ target_new_objfile_chain = target_new_objfile_hook;
X+ target_new_objfile_hook = freebsd_uthread_new_objfile;
X+
X+ child_suppress_run = 1;
X+}
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_freebsd-uthread.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_i386-tdep.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_i386-tdep.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_i386-tdep.c'
X--- gdb/i386-tdep.c Mon Aug 26 11:35:25 2002
X+++ gdb/i386-tdep.c Sun Oct 13 14:15:58 2002
X@@ -534,6 +534,9 @@
X static CORE_ADDR
X i386_frame_saved_pc (struct frame_info *frame)
X {
X+ if (kernel_debugging)
X+ return fbsd_kern_frame_saved_pc(frame);
X+
X if (PC_IN_CALL_DUMMY (frame->pc, 0, 0))
X return generic_read_register_dummy (frame->pc, frame->frame,
X PC_REGNUM);
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_i386-tdep.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_sparc-tdep.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_sparc-tdep.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_sparc-tdep.c'
X--- gdb/sparc-tdep.c.orig Sun Oct 20 18:21:09 2002
X+++ gdb/sparc-tdep.c Sun Oct 20 18:16:53 2002
X@@ -450,6 +450,9 @@
X char *buf;
X CORE_ADDR addr;
X
X+ if (kernel_debugging)
X+ return fbsd_kern_frame_saved_pc(frame);
X+
X buf = alloca (MAX_REGISTER_RAW_SIZE);
X if (frame->signal_handler_caller)
X {
X
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_sparc-tdep.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_symfile.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_symfile.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_symfile.c'
X--- gdb/symfile.c Tue Feb 26 17:40:36 2002
X+++ gdb/symfile.c Wed May 29 11:10:17 2002
X@@ -1546,11 +1546,7 @@
X char *val = sect_opts[i].value;
X char *sec = sect_opts[i].name;
X
X- val = sect_opts[i].value;
X- if (val[0] == '0' && val[1] == 'x')
X- addr = strtoul (val+2, NULL, 16);
X- else
X- addr = strtoul (val, NULL, 10);
X+ addr = parse_and_eval_address(val);
X
X /* Here we store the section offsets in the order they were
X entered on the command line. */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_symfile.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c'
Xdiff -urN gdb/sparcnbsd-tdep.c.orig gdb/sparcnbsd-tdep.c
X--- gdb/sparcnbsd-tdep.c.orig Sat Oct 19 17:19:17 2002
X+++ gdb/sparcnbsd-tdep.c Sat Oct 19 17:44:47 2002
X@@ -31,20 +31,6 @@
X
X #include "solib-svr4.h"
X
X-#define REG32_OFFSET_PSR (0 * 4)
X-#define REG32_OFFSET_PC (1 * 4)
X-#define REG32_OFFSET_NPC (2 * 4)
X-#define REG32_OFFSET_Y (3 * 4)
X-#define REG32_OFFSET_GLOBAL (4 * 4)
X-#define REG32_OFFSET_OUT (12 * 4)
X-
X-#define REG64_OFFSET_TSTATE (0 * 8)
X-#define REG64_OFFSET_PC (1 * 8)
X-#define REG64_OFFSET_NPC (2 * 8)
X-#define REG64_OFFSET_Y (3 * 8)
X-#define REG64_OFFSET_GLOBAL (4 * 8)
X-#define REG64_OFFSET_OUT (12 * 8)
X-
X void
X sparcnbsd_supply_reg32 (char *regs, int regno)
X {
X@@ -375,16 +361,13 @@
X
X if (gdbarch_ptr_bit (current_gdbarch) == 32)
X {
X- reg_size = (20 * 4);
X- fpreg_size = (33 * 4);
X+ reg_size = REG32_SIZE;
X+ fpreg_size = FPREG32_SIZE;
X }
X else
X {
X- reg_size = (20 * 8);
X- fpreg_size = (64 * 4)
X- + 8 /* fsr */
X- + 4 /* gsr */
X- + 4; /* pad */
X+ reg_size = REG64_SIZE;
X+ fpreg_size = FPREG64_SIZE;
X }
X
X switch (which)
X@@ -442,7 +425,7 @@
X
X jb_addr = read_register (O0_REGNUM);
X
X- if (target_read_memory (jb_addr + 12, buf, sizeof (buf)))
X+ if (target_read_memory (jb_addr + JB32_OFFSET_PC, buf, sizeof (buf)))
X return 0;
X
X *pc = extract_address (buf, sizeof (buf));
X@@ -458,7 +441,7 @@
X
X jb_addr = read_register (O0_REGNUM);
X
X- if (target_read_memory (jb_addr + 16, buf, sizeof (buf)))
X+ if (target_read_memory (jb_addr + JB64_OFFSET_PC, buf, sizeof (buf)))
X return 0;
X
X *pc = extract_address (buf, sizeof (buf));
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_sparcnbsd-tdep.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_target.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_target.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_target.c'
X--- gdb/target.c Mon Aug 26 12:18:33 2002
X+++ gdb/target.c Sun Oct 13 10:51:32 2002
X@@ -1429,7 +1429,7 @@
X for (t = target_structs; t < target_structs + target_struct_size;
X ++t)
X {
X- if ((*t)->to_stratum == core_stratum)
X+ if ((*t)->to_stratum == (kernel_debugging ? kcore_stratum : core_stratum))
X {
X runable = *t;
X ++count;
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_target.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_target.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_target.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_target.h'
X--- gdb/target.h Sat Feb 9 20:08:42 2002
X+++ gdb/target.h Fri May 24 08:38:31 2002
X@@ -52,6 +52,7 @@
X dummy_stratum, /* The lowest of the low */
X file_stratum, /* Executable files, etc */
X core_stratum, /* Core dump files */
X+ kcore_stratum, /* Kernel core files */
X download_stratum, /* Downloading of remote targets */
X process_stratum, /* Executing processes */
X thread_stratum /* Executing threads */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_target.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_version.in
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_version.in << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_version.in'
X--- gdb/version.in Fri Apr 26 18:04:22 2002
X+++ gdb/version.in Mon Jun 3 08:14:54 2002
X@@ -1 +1 @@
X-5.2.90
X+5.3 (FreeBSD)
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_version.in
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h'
X--- gdb/config/nm-fbsd.h Fri Jan 3 09:33:00 2003
X+++ gdb/config/nm-fbsd.h Fri Jan 3 09:36:00 2003
X@@ -0,0 +1,36 @@
X+#ifndef CONFIG_NM_FBSD_H
X+#define CONFIG_NM_FBSD_H
X+
X+#ifdef HAVE_SYS_PARAM_H
X+#include <sys/param.h>
X+#endif
X+
X+extern int kernel_debugging;
X+extern int kernel_writablecore;
X+
X+CORE_ADDR fbsd_kern_frame_saved_pc(struct frame_info *frame);
X+
X+#if __FreeBSD_version >= 500032
X+#define ADDITIONAL_OPTIONS \
X+ {"kernel", no_argument, &kernel_debugging, 1}, \
X+ {"k", no_argument, &kernel_debugging, 1}, \
X+ {"wcore", no_argument, &kernel_writablecore, 1}, \
X+ {"w", no_argument, &kernel_writablecore, 1},
X+
X+#define ADDITIONAL_OPTION_HELP \
X+ "\
X+ --kernel Enable kernel debugging.\n\
X+ --wcore Make core file writable (only works for /dev/mem).\n\
X+ This option only works while debugging a kernel !!\n\
X+"
X+
X+#define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
X+
X+/* misuse START_PROGRESS to test whether we're running as kgdb */
X+/* START_PROGRESS is called at the top of main */
X+#undef START_PROGRESS
X+#define START_PROGRESS(STR,N) \
X+ if (!strcmp (STR, "kgdb")) \
X+ kernel_debugging = 1;
X+#endif
X+#endif /* CONFIG_NM_FBSD_H */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_config_nm-fbsd.h
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c'
X--- gdb/i386bsd-nat.c 2003/01/02 20:22:00 1.1
X+++ gdb/i386bsd-nat.c 2003/01/02 20:22:35
X@@ -306,7 +306,7 @@
X /* For some mysterious reason, some of the reserved bits in the
X debug control register get set. Mask these off, otherwise the
X ptrace call below will fail. */
X- dbregs.dr7 &= ~(0x0000fc00);
X+ DBREG_DRX ((&dbregs), 7) = ~(0x0000fc00);
X
X DBREG_DRX ((&dbregs), regnum) = value;
X
X@@ -355,7 +355,7 @@
X return 0;
X #endif
X
X- return dbregs.dr6;
X+ return DBREG_DRX ((&dbregs), 6);
X }
X
X #endif /* PT_GETDBREGS */
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_i386bsd-nat.c
echo x - /usr/ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c
sed 's/^X//' >/usr/ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c << 'END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c'
X--- gdb/kvm-fbsd.c Fri Jan 3 08:57:23 2003
X+++ gdb/kvm-fbsd.c Fri Jan 3 08:57:20 2003
X@@ -0,0 +1,756 @@
X+/* Kernel core dump functions below target vector, for GDB.
X+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
X+ Free Software Foundation, Inc.
X+
X+This file is part of GDB.
X+
X+This program is free software; you can redistribute it and/or modify
X+it under the terms of the GNU General Public License as published by
X+the Free Software Foundation; either version 2 of the License, or
X+(at your option) any later version.
X+
X+This program is distributed in the hope that it will be useful,
X+but WITHOUT ANY WARRANTY; without even the implied warranty of
X+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
X+GNU General Public License for more details.
X+
X+You should have received a copy of the GNU General Public License
X+along with this program; if not, write to the Free Software
X+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
X+*/
X+
X+/* $FreeBSD: ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c,v 1.1 2003/09/27 07:38:23 edwin Exp $ */
X+
X+/*
X+ * This works like "remote" but, you use it like this:
X+ * target kcore /dev/mem
X+ * or
X+ * target kcore /var/crash/host/core.0
X+ *
X+ * This way makes it easy to short-circut the whole bfd monster,
X+ * and direct the inferior stuff to our libkvm implementation.
X+ *
X+ */
X+
X+#include <sys/param.h>
X+#include <sys/time.h>
X+#include <sys/proc.h>
X+#include <sys/user.h>
X+#include <ctype.h>
X+#include <errno.h>
X+#include <signal.h>
X+#include <fcntl.h>
X+#include <kvm.h>
X+#include <sys/sysctl.h>
X+#include <paths.h>
X+#include <readline/tilde.h>
X+#include <machine/frame.h>
X+
X+#include "defs.h"
X+#include "gdb_string.h"
X+#include "frame.h" /* required by inferior.h */
X+#include "inferior.h"
X+#include "symtab.h"
X+#include "symfile.h"
X+#include "objfiles.h"
X+#include "command.h"
X+#include "bfd.h"
X+#include "target.h"
X+#include "gdbcore.h"
X+#include "regcache.h"
X+
X+#if __FreeBSD_version >= 500032
X+static void
X+kcore_files_info (struct target_ops *);
X+
X+static void
X+kcore_close (int);
X+
X+static void
X+get_kcore_registers (int);
X+
X+static int
X+xfer_mem (CORE_ADDR, char *, int, int, struct mem_attrib *,
X+ struct target_ops *);
X+
X+static int
X+xfer_umem (CORE_ADDR, char *, int, int);
X+
X+static char *core_file;
X+static kvm_t *core_kd;
X+static struct pcb cur_pcb;
X+static struct kinfo_proc *cur_proc;
X+
X+static struct target_ops kcore_ops;
X+
X+int kernel_debugging;
X+int kernel_writablecore;
X+
X+/* Read the "thing" at kernel address 'addr' into the space pointed to
X+ by point. The length of the "thing" is determined by the type of p.
X+ Result is non-zero if transfer fails. */
X+
X+#define kvread(addr, p) \
X+ (target_read_memory ((CORE_ADDR) (addr), (char *) (p), sizeof (*(p))))
X+
X+static CORE_ADDR
X+ksym_kernbase (void)
X+{
X+ static CORE_ADDR kernbase;
X+ struct minimal_symbol *sym;
X+
X+ if (kernbase == 0)
X+ {
X+ sym = lookup_minimal_symbol ("kernbase", NULL, NULL);
X+ if (sym == NULL) {
X+ kernbase = KERNBASE;
X+ } else {
X+ kernbase = SYMBOL_VALUE_ADDRESS (sym);
X+ }
X+ }
X+ return kernbase;
X+}
X+
X+#define KERNOFF (ksym_kernbase ())
X+#define INKERNEL(x) ((x) >= KERNOFF)
X+
X+CORE_ADDR
X+ksym_lookup(const char *name)
X+{
X+ struct minimal_symbol *sym;
X+
X+ sym = lookup_minimal_symbol (name, NULL, NULL);
X+ if (sym == NULL)
X+ error ("kernel symbol `%s' not found.", name);
X+
X+ return SYMBOL_VALUE_ADDRESS (sym);
X+}
X+
X+/* Provide the address of an initial PCB to use.
X+ If this is a crash dump, try for "dumppcb".
X+ If no "dumppcb" or it's /dev/mem, use proc0.
X+ Return the core address of the PCB we found. */
X+
X+static CORE_ADDR
X+initial_pcb (void)
X+{
X+ struct minimal_symbol *sym;
X+ CORE_ADDR addr;
X+ void *val;
X+
X+ /* Make sure things are open... */
X+ if (!core_kd || !core_file)
X+ return (0);
X+
X+ /* If this is NOT /dev/mem try for dumppcb. */
X+ if (strncmp (core_file, _PATH_DEV, sizeof _PATH_DEV - 1))
X+ {
X+ sym = lookup_minimal_symbol ("dumppcb", NULL, NULL);
X+ if (sym != NULL)
X+ {
X+ addr = SYMBOL_VALUE_ADDRESS (sym);
X+ return (addr);
X+ }
X+ }
X+
X+ /* OK, just use thread0's pcb. Note that curproc might
X+ not exist, and if it does, it will point to gdb.
X+ Therefore, just use proc0 and let the user set
X+ some other context if they care about it. */
X+
X+ addr = ksym_lookup ("thread0");
X+ if (kvread (addr, &val))
X+ {
X+ error ("cannot read thread0 pointer at %x\n", addr);
X+ val = 0;
X+ }
X+ else
X+ {
X+ /* Read the PCB address in thread structure. */
X+ addr += offsetof (struct thread, td_pcb);
X+ if (kvread (addr, &val))
X+ {
X+ error ("cannot read thread0->td_pcb pointer at %x\n", addr);
X+ val = 0;
X+ }
X+ }
X+
X+ /* thread0 is wholly in the kernel and cur_proc is only used for
X+ reading user mem, so no point in setting this up. */
X+ cur_proc = 0;
X+
X+ return ((CORE_ADDR)val);
X+}
X+
X+/* Set the current context to that of the PCB struct at the system address
X+ passed. */
X+
X+static int
X+set_context (CORE_ADDR addr)
X+{
X+ CORE_ADDR procaddr = 0;
X+
X+ if (kvread (addr, &cur_pcb))
X+ error ("cannot read pcb at %#x", addr);
X+
X+ /* Fetch all registers from core file. */
X+ target_fetch_registers (-1);
X+
X+ /* Now, set up the frame cache, and print the top of stack. */
X+ flush_cached_frames ();
X+ set_current_frame (create_new_frame (read_fp (), read_pc ()));
X+ select_frame (get_current_frame ());
X+ return (0);
X+}
X+
X+/* Discard all vestiges of any previous core file and mark data and stack
X+ spaces as empty. */
X+
X+/* ARGSUSED */
X+static void
X+kcore_close (int quitting)
X+{
X+
X+ inferior_ptid = null_ptid; /* Avoid confusion from thread stuff. */
X+
X+ if (core_kd)
X+ {
X+ kvm_close (core_kd);
X+ free (core_file);
X+ core_file = NULL;
X+ core_kd = NULL;
X+ }
X+}
X+
X+/* This routine opens and sets up the core file bfd. */
X+
X+static void
X+kcore_open (char *filename /* the core file */, int from_tty)
X+{
X+ kvm_t *kd;
X+ const char *p;
X+ struct cleanup *old_chain;
X+ char buf[256], *cp;
X+ int ontop;
X+ CORE_ADDR addr;
X+
X+ target_preopen (from_tty);
X+
X+ /* The exec file is required for symbols. */
X+ if (exec_bfd == NULL)
X+ error ("No kernel exec file specified");
X+
X+ if (core_kd)
X+ {
X+ error ("No core file specified."
X+ " (Use `detach' to stop debugging a core file.)");
X+ return;
X+ }
X+
X+ if (!filename)
X+ {
X+ error ("No core file specified.");
X+ return;
X+ }
X+
X+ filename = tilde_expand (filename);
X+ if (filename[0] != '/')
X+ {
X+ cp = concat (current_directory, "/", filename, NULL);
X+ free (filename);
X+ filename = cp;
X+ }
X+
X+ old_chain = make_cleanup (free, filename);
X+
X+ kd = kvm_open (bfd_get_filename(exec_bfd), filename, NULL,
X+ kernel_writablecore ? O_RDWR: O_RDONLY, 0);
X+ if (kd == NULL)
X+ {
X+ perror_with_name (filename);
X+ return;
X+ }
X+
X+ /* Looks semi-reasonable. Toss the old core file and work on the new. */
X+
X+ discard_cleanups (old_chain); /* Don't free filename any more. */
X+ core_file = filename;
X+ unpush_target (&kcore_ops);
X+ ontop = !push_target (&kcore_ops);
X+
X+ /* Note unpush_target (above) calls kcore_close. */
X+ core_kd = kd;
X+
X+ /* Print out the panic string if there is one. */
X+ if (kvread (ksym_lookup ("panicstr"), &addr) == 0 &&
X+ addr != 0 &&
X+ target_read_memory (addr, buf, sizeof(buf)) == 0)
X+ {
X+
X+ for (cp = buf; cp < &buf[sizeof(buf)] && *cp; cp++)
X+ if (!isascii (*cp) || (!isprint (*cp) && !isspace (*cp)))
X+ *cp = '?';
X+ *cp = '\0';
X+ if (buf[0] != '\0')
X+ printf_filtered ("panic: %s\n", buf);
X+ }
X+
X+ /* Print all the panic messages if possible. */
X+ if (symfile_objfile != NULL)
X+ {
X+ printf ("panic messages:\n---\n");
X+ snprintf (buf, sizeof buf,
X+ "/sbin/dmesg -N %s -M %s | \
X+ /usr/bin/awk '/^(panic:|Fatal trap) / { printing = 1 } \
X+ { if (printing) print $0 }'",
X+ symfile_objfile->name, filename);
X+ fflush (stdout);
X+ system (buf);
X+ printf ("---\n");
X+ }
X+
X+ if (!ontop)
X+ {
X+ warning ("you won't be able to access this core file until you terminate\n"
X+ "your %s; do ``info files''", target_longname);
X+ return;
X+ }
X+
X+ /* Now, set up process context, and print the top of stack. */
X+ (void)set_context (initial_pcb());
X+ print_stack_frame (selected_frame, frame_relative_level(selected_frame), 1);
X+}
X+
X+static void
X+kcore_detach (char *args, int from_tty)
X+{
X+ if (args)
X+ error ("Too many arguments");
X+ unpush_target (&kcore_ops);
X+ reinit_frame_cache ();
X+ if (from_tty)
X+ printf_filtered ("No kernel core file now.\n");
X+}
X+
X+#ifdef __alpha__
X+
X+#include "alpha/tm-alpha.h"
X+#include "alpha-tdep.h"
X+
X+#ifndef S0_REGNUM
X+#define S0_REGNUM (ALPHA_T7_REGNUM+1)
X+#endif
X+
X+fetch_kcore_registers (struct pcb *pcbp)
X+{
X+
X+ /* First clear out any garbage. */
X+ memset (registers, '\0', REGISTER_BYTES);
X+
X+ /* SP */
X+ *(long *) ®isters[REGISTER_BYTE (SP_REGNUM)] =
X+ pcbp->pcb_hw.apcb_ksp;
X+
X+ /* S0 through S6 */
X+ memcpy (®isters[REGISTER_BYTE (S0_REGNUM)],
X+ &pcbp->pcb_context[0], 7 * sizeof (long));
X+
X+ /* PC */
X+ *(long *) ®isters[REGISTER_BYTE (PC_REGNUM)] =
X+ pcbp->pcb_context[7];
X+
X+ registers_fetched ();
X+}
X+
X+
X+CORE_ADDR
X+fbsd_kern_frame_saved_pc (struct frame_info *fi)
X+{
X+ struct minimal_symbol *sym;
X+ CORE_ADDR this_saved_pc;
X+
X+ this_saved_pc = FRAME_SAVED_PC(fi);
X+
X+ sym = lookup_minimal_symbol_by_pc (this_saved_pc);
X+
X+ if (sym != NULL &&
X+ (strcmp (SYMBOL_NAME (sym), "XentArith") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentIF") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentInt") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentMM") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentSys") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentUna") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "XentRestart") == 0))
X+ {
X+ return (read_memory_integer (fi->frame + 32 * 8, 8));
X+ }
X+ else
X+ {
X+ return (this_saved_pc);
X+ }
X+}
X+
X+#endif /* __alpha__ */
X+
X+#ifdef __i386__
X+
X+static CORE_ADDR
X+ksym_maxuseraddr (void)
X+{
X+ static CORE_ADDR maxuseraddr;
X+ struct minimal_symbol *sym;
X+
X+ if (maxuseraddr == 0)
X+ {
X+ sym = lookup_minimal_symbol ("PTmap", NULL, NULL);
X+ if (sym == NULL) {
X+ maxuseraddr = VM_MAXUSER_ADDRESS;
X+ } else {
X+ maxuseraddr = SYMBOL_VALUE_ADDRESS (sym);
X+ }
X+ }
X+ return maxuseraddr;
X+}
X+
X+
X+/* Symbol names of kernel entry points. Use special frames. */
X+#define KSYM_TRAP "calltrap"
X+#define KSYM_INTR "Xintr"
X+#define KSYM_FASTINTR "Xfastintr"
X+#define KSYM_OLDSYSCALL "Xlcall_syscall"
X+#define KSYM_SYSCALL "Xint0x80_syscall"
X+
X+/* The following is FreeBSD-specific hackery to decode special frames
X+ and elide the assembly-language stub. This could be made faster by
X+ defining a frame_type field in the machine-dependent frame information,
X+ but we don't think that's too important right now. */
X+enum frametype { tf_normal, tf_trap, tf_interrupt, tf_syscall };
X+
X+CORE_ADDR
X+fbsd_kern_frame_saved_pc (struct frame_info *fr)
X+{
X+ struct minimal_symbol *sym;
X+ CORE_ADDR this_saved_pc;
X+ enum frametype frametype;
X+
X+ this_saved_pc = read_memory_integer (fr->frame + 4, 4);
X+ sym = lookup_minimal_symbol_by_pc (this_saved_pc);
X+ frametype = tf_normal;
X+ if (sym != NULL)
X+ {
X+ if (strcmp (SYMBOL_NAME (sym), KSYM_TRAP) == 0)
X+ frametype = tf_trap;
X+ else
X+ if (strncmp (SYMBOL_NAME (sym), KSYM_INTR,
X+ strlen (KSYM_INTR)) == 0 || strncmp (SYMBOL_NAME(sym),
X+ KSYM_FASTINTR, strlen (KSYM_FASTINTR)) == 0)
X+ frametype = tf_interrupt;
X+ else
X+ if (strcmp (SYMBOL_NAME (sym), KSYM_SYSCALL) == 0 ||
X+ strcmp (SYMBOL_NAME (sym), KSYM_OLDSYSCALL) == 0)
X+ frametype = tf_syscall;
X+ }
X+
X+ switch (frametype)
X+ {
X+ default:
X+ case tf_normal:
X+ return (this_saved_pc);
X+#define oEIP offsetof (struct trapframe, tf_eip)
X+
X+ case tf_trap:
X+ return (read_memory_integer (fr->frame + 8 + oEIP, 4));
X+
X+ case tf_interrupt:
X+ return (read_memory_integer (fr->frame + 12 + oEIP, 4));
X+
X+ case tf_syscall:
X+ return (read_memory_integer (fr->frame + 8 + oEIP, 4));
X+#undef oEIP
X+ }
X+}
X+
X+static void
X+fetch_kcore_registers (struct pcb *pcb)
X+{
X+ int i;
X+ int noreg;
X+
X+ /* Get the register values out of the sys pcb and store them where
X+ `read_register' will find them. */
X+ /*
X+ * XXX many registers aren't available.
X+ * XXX for the non-core case, the registers are stale - they are for
X+ * the last context switch to the debugger.
X+ * XXX gcc's register numbers aren't all #defined in tm-i386.h.
X+ */
X+ noreg = 0;
X+ for (i = 0; i < 3; ++i) /* eax,ecx,edx */
X+ supply_register (i, (char *)&noreg);
X+
X+ supply_register (3, (char *) &pcb->pcb_ebx);
X+ supply_register (SP_REGNUM, (char *) &pcb->pcb_esp);
X+ supply_register (FP_REGNUM, (char *) &pcb->pcb_ebp);
X+ supply_register (6, (char *) &pcb->pcb_esi);
X+ supply_register (7, (char *) &pcb->pcb_edi);
X+ supply_register (PC_REGNUM, (char *) &pcb->pcb_eip);
X+
X+ for (i = 9; i < 14; ++i) /* eflags, cs, ss, ds, es, fs */
X+ supply_register (i, (char *) &noreg);
X+ supply_register (15, (char *) &pcb->pcb_gs);
X+
X+ /* XXX 80387 registers? */
X+}
X+
X+#endif /* __i386__ */
X+
X+#ifdef __sparc64__
X+
X+#define SPARC_INTREG_SIZE 8
X+
X+static void
X+fetch_kcore_registers (struct pcb *pcbp)
X+{
X+ static struct frame top;
X+ CORE_ADDR f_addr;
X+ int i;
X+
X+ /* Get the register values out of the sys pcb and store them where
X+ `read_register' will find them. */
X+ /*
X+ * XXX many registers aren't available.
X+ * XXX for the non-core case, the registers are stale - they are for
X+ * the last context switch to the debugger.
X+ * XXX do something with the floating-point registers?
X+ */
X+ supply_register (SP_REGNUM, &pcbp->pcb_fp);
X+ supply_register (PC_REGNUM, &pcbp->pcb_pc);
X+ f_addr = extract_address (&pcbp->pcb_fp, SPARC_INTREG_SIZE);
X+ /* Load the previous frame by hand (XXX) and supply it. */
X+ read_memory (f_addr + SPOFF, (char *)&top, sizeof (top));
X+ for (i = 0; i < 8; i++)
X+ supply_register (i + L0_REGNUM, &top.fr_local[i]);
X+ for (i = 0; i < 8; i++)
X+ supply_register (i + I0_REGNUM, &top.fr_in[i]);
X+}
X+
X+CORE_ADDR
X+fbsd_kern_frame_saved_pc (struct frame_info *fi)
X+{
X+ struct minimal_symbol *sym;
X+ CORE_ADDR frame, pc_addr, pc;
X+ char *buf;
X+
X+ buf = alloca (MAX_REGISTER_RAW_SIZE);
X+ /* XXX: duplicates fi->extra_info->bottom. */
X+ frame = (fi->next != NULL) ? fi->next->frame : read_sp ();
X+ pc_addr = frame + offsetof (struct frame, fr_in[7]);
X+
X+#define READ_PC(pc, a, b) do { \
X+ read_memory (a, b, SPARC_INTREG_SIZE); \
X+ pc = extract_address (b, SPARC_INTREG_SIZE); \
X+} while (0)
X+
X+ READ_PC (pc, pc_addr, buf);
X+
X+ sym = lookup_minimal_symbol_by_pc (pc);
X+ if (sym != NULL)
X+ {
X+ if (strncmp (SYMBOL_NAME (sym), "tl0_", 4) == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "btext") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "mp_startup") == 0 ||
X+ strcmp (SYMBOL_NAME (sym), "fork_trampoline") == 0)
X+ {
X+ /*
X+ * Ugly kluge: user space addresses aren't separated from kernel
X+ * ones by range; if encountering a trap from user space, just
X+ * return a 0 to stop the trace.
X+ * Do the same for entry points of kernel processes to avoid
X+ * printing garbage.
X+ */
X+ pc = 0;
X+ }
X+ if (strncmp (SYMBOL_NAME (sym), "tl1_", 4) == 0)
X+ {
X+ pc_addr = fi->frame + sizeof (struct frame) +
X+ offsetof (struct trapframe, tf_tpc);
X+ READ_PC (pc, pc_addr, buf);
X+ }
X+ }
X+ return (pc);
X+}
X+
X+#endif /* __sparc64__ */
X+
X+/* Get the registers out of a core file. This is the machine-
X+ independent part. Fetch_core_registers is the machine-dependent
X+ part, typically implemented in the xm-file for each architecture. */
X+
X+/* We just get all the registers, so we don't use regno. */
X+
X+/* ARGSUSED */
X+static void
X+get_kcore_registers (int regno)
X+{
X+
X+ /* XXX - Only read the pcb when set_context() is called.
X+ When looking at a live kernel this may be a problem,
X+ but the user can do another "proc" or "pcb" command to
X+ grab a new copy of the pcb... */
X+
X+ /* Zero out register set then fill in the ones we know about. */
X+ fetch_kcore_registers (&cur_pcb);
X+}
X+
X+static void
X+kcore_files_info (t)
X+ struct target_ops *t;
X+{
X+ printf_filtered ("\t`%s'\n", core_file);
X+}
X+
X+/* If mourn is being called in all the right places, this could be say
X+ `gdb internal error' (since generic_mourn calls breakpoint_init_inferior). */
X+
X+static int
X+ignore (CORE_ADDR addr, char *contents)
X+{
X+ return 0;
X+}
X+
X+static int
X+xfer_kmem (CORE_ADDR memaddr, char *myaddr, int len, int write,
X+ struct mem_attrib *attrib, struct target_ops *target)
X+{
X+ int n;
X+
X+
X+ if (!INKERNEL (memaddr))
X+ return xfer_umem (memaddr, myaddr, len, write);
X+
X+ if (core_kd == NULL)
X+ return 0;
X+
X+ if (write)
X+ n = kvm_write (core_kd, memaddr, myaddr, len);
X+ else
X+ n = kvm_read (core_kd, memaddr, myaddr, len) ;
X+ if (n < 0) {
X+ fprintf_unfiltered (gdb_stderr, "can not access 0x%x, %s\n",
X+ memaddr, kvm_geterr (core_kd));
X+ n = 0;
X+ }
X+
X+ return n;
X+}
X+
X+
X+static int
X+xfer_umem (CORE_ADDR memaddr, char *myaddr, int len, int write /* ignored */)
X+{
X+ int n = 0;
X+
X+ if (cur_proc == 0)
X+ {
X+ error ("---Can't read userspace from dump, or kernel process---\n");
X+ return 0;
X+ }
X+
X+ if (write)
X+ error ("kvm_uwrite unimplemented\n");
X+ else
X+ n = kvm_uread (core_kd, cur_proc, memaddr, myaddr, len) ;
X+
X+ if (n < 0)
X+ return 0;
X+
X+ return n;
X+}
X+
X+static void
X+set_proc_cmd (char *arg, int from_tty)
X+{
X+ CORE_ADDR addr, pid_addr, first_td;
X+ void *val;
X+ struct kinfo_proc *kp;
X+ int cnt;
X+ pid_t pid;
X+
X+ if (!arg)
X+ error_no_arg ("proc address for the new context");
X+
X+ if (core_kd == NULL)
X+ error ("no kernel core file");
X+
X+ addr = (CORE_ADDR) parse_and_eval_address (arg);
X+
X+ if (!INKERNEL (addr))
X+ {
X+ kp = kvm_getprocs (core_kd, KERN_PROC_PID, addr, &cnt);
X+ if (!cnt)
X+ error ("invalid pid");
X+ addr = (CORE_ADDR)kp->ki_paddr;
X+ cur_proc = kp;
X+ }
X+ else
X+ {
X+ /* Update cur_proc. */
X+ pid_addr = addr + offsetof (struct proc, p_pid);
X+ if (kvread (pid_addr, &pid))
X+ error ("cannot read pid ptr");
X+ cur_proc = kvm_getprocs (core_kd, KERN_PROC_PID, pid, &cnt);
X+ if (!cnt)
X+ error("invalid pid");
X+ }
X+
X+ /* Find the first thread in the process. XXXKSE */
X+ addr += offsetof (struct proc, p_threads.tqh_first);
X+ if (kvread (addr, &first_td))
X+ error ("cannot read thread ptr");
X+
X+ /* Read the PCB address in thread structure. */
X+ addr = first_td + offsetof (struct thread, td_pcb);
X+ if (kvread (addr, &val))
X+ error("cannot read pcb ptr");
X+
X+ /* Read the PCB address in proc structure. */
X+ if (set_context ((CORE_ADDR) val))
X+ error ("invalid proc address");
X+}
X+#else
X+int kernel_debugging = 0;
X+int kernel_writablecore = 0;
X+
X+CORE_ADDR
X+fbsd_kern_frame_saved_pc (struct frame_info *fi)
X+{
X+ return 0;
X+}
X+#endif
X+
X+void
X+_initialize_kcorelow (void)
X+{
X+#if __FreeBSD_version >= 500032
X+ kcore_ops.to_shortname = "kcore";
X+ kcore_ops.to_longname = "Kernel core dump file";
X+ kcore_ops.to_doc =
X+ "Use a core file as a target. Specify the filename of the core file.";
X+ kcore_ops.to_open = kcore_open;
X+ kcore_ops.to_close = kcore_close;
X+ kcore_ops.to_attach = find_default_attach;
X+ kcore_ops.to_detach = kcore_detach;
X+ kcore_ops.to_fetch_registers = get_kcore_registers;
X+ kcore_ops.to_xfer_memory = xfer_kmem;
X+ kcore_ops.to_files_info = kcore_files_info;
X+ kcore_ops.to_create_inferior = find_default_create_inferior;
X+ kcore_ops.to_stratum = kcore_stratum;
X+ kcore_ops.to_has_memory = 1;
X+ kcore_ops.to_has_stack = 1;
X+ kcore_ops.to_has_registers = 1;
X+ kcore_ops.to_magic = OPS_MAGIC;
X+
X+ add_target (&kcore_ops);
X+ add_com ("proc", class_obscure, set_proc_cmd, "Set current process context");
X+#endif
X+}
END-of-/usr/ports/devel/gdb53-act/files/patch-gdb_kvm-fbsd.c
echo x - /usr/ports/devel/gdb53-act/Makefile
sed 's/^X//' >/usr/ports/devel/gdb53-act/Makefile << 'END-of-/usr/ports/devel/gdb53-act/Makefile'
X# Ports collection makefile for: GDB 5.3-act
X# Date created: 8 August 2003
X# Whom: John R. Shannon <john at johnrshannon.com>
X#
X# $FreeBSD: ports/devel/gdb53-act/Makefile,v 1.7 2004/04/01 12:08:32 kris Exp $
X
XPORTNAME= gdb
XPORTVERSION= 5.3
XPORTREVISION= 2
XPORTEPOCH= 1
XCATEGORIES= devel
XMASTER_SITES= http://www.johnrshannon.com/download/
XPKGNAMESUFFIX= -act
XDISTNAME= ${PORTNAME}${PKGNAMESUFFIX}-${PORTVERSION}
X
XMAINTAINER= john at johnrshannon.com
XCOMMENT= GDB 5.3 modified by ACT for Ada programming language
X
XWRKSRC= ${WRKDIR}/${PORTNAME}-${PORTVERSION}
XPLIST_FILES= bin/gdbada
XUSE_GMAKE= yes
XGNU_CONFIGURE= yes
XCONFIGURE_ARGS= --program-suffix=ada
XCONFIGURE_ARGS+= --disable-nls
X
X.include <bsd.port.pre.mk>
X
X.if ${ARCH} != "i386" && ${ARCH} != "alpha"
XBROKEN= "Does not compile on !i386 and !alpha"
X.endif
X
Xpre-configure:
X cd ${WRKSRC} ; ${RM} -rf dejagnu expect sim tcl texinfo
X
Xdo-install:
X ${INSTALL_PROGRAM} ${WRKSRC}/gdb/gdb ${PREFIX}/bin/gdbada
X
X.include <bsd.port.post.mk>
END-of-/usr/ports/devel/gdb53-act/Makefile
echo x - /usr/ports/devel/gdb53-act/distinfo
sed 's/^X//' >/usr/ports/devel/gdb53-act/distinfo << 'END-of-/usr/ports/devel/gdb53-act/distinfo'
XMD5 (gdb-act-5.3.tar.gz) = 217213357a364a4df97e693b69eee5cb
END-of-/usr/ports/devel/gdb53-act/distinfo
echo x - /usr/ports/devel/gdb53-act/pkg-descr
sed 's/^X//' >/usr/ports/devel/gdb53-act/pkg-descr << 'END-of-/usr/ports/devel/gdb53-act/pkg-descr'
XGNU GDB 5.3 developmental snapshot.
END-of-/usr/ports/devel/gdb53-act/pkg-descr
echo x - /usr/ports/devel/gdb53-act/OLD-DIRS
sed 's/^X//' >/usr/ports/devel/gdb53-act/OLD-DIRS << 'END-of-/usr/ports/devel/gdb53-act/OLD-DIRS'
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Xshare/skel
Xshare/sgml
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Xshare/nls
Xshare/misc
Xshare/java/classes
Xshare/java
Xshare/examples
Xshare/emacs/site-lisp
Xshare/emacs
Xshare/doc/ja
Xshare/doc
Xshare/dict
Xshare/aclocal
Xshare
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Xman/de.ISO8859-1/cat6
Xman/de.ISO8859-1/cat5
Xman/de.ISO8859-1/cat4
Xman/de.ISO8859-1/cat3
Xman/de.ISO8859-1/cat2
Xman/de.ISO8859-1/cat1
Xman/de.ISO8859-1
Xman/catn
Xman/catl
Xman/cat9
Xman/cat8
Xman/cat7
Xman/cat6
Xman/cat5
Xman/cat4
Xman/cat3
Xman/cat2
Xman/cat1
Xman
Xlibexec
Xlibdata
Xlib
Xinfo
Xinclude
Xetc/rc.d
Xetc/pam.d
Xetc
Xbin
END-of-/usr/ports/devel/gdb53-act/OLD-DIRS
exit
>Release-Note:
>Audit-Trail:
>Unformatted:
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