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2006-10-01 Jan Kratochvil <jan.kratochvil@redhat.com>
Fujitsu
* amd64-linux-nat.c: Support new linux_elfcore_write_prpsinfo,
linux_elfcore_write_prstatus, linux_elfcore_write_prfpreg.
(i386_linux_gregset32_reg_offset): New mapping for i386 on amd64.
* gcore.c (gcore_create_callback): Comment vdso Linux kernel bug.
* configure.ac: Check for <sys/user32.h>, <sys/procfs32.h>.
* configure, config.in: Regenerated.
* gdb_user32.h, gdb_procfs32.h: Define 32-bit core files even for
64-bit gdb, provide fallbacks for <sys/user32.h> and <sys/procfs32.h>.
* linux-nat.c: Virtualize `elfcore_*' by (*`linux_elfcore_*').
(linux_nat_do_thread_registers): Likewise.
(linux_nat_make_corefile_notes): Likewise.
* linux-nat.h: Likewise.
* Makefile.in: Dependencies updated.
2007-10-16 Jan Kratochvil <jan.kratochvil@redhat.com>
Port to GDB-6.7.
2008-02-24 Jan Kratochvil <jan.kratochvil@redhat.com>
Port to GDB-6.8pre.
Index: gdb-6.8.50.20090802/gdb/amd64-linux-nat.c
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/amd64-linux-nat.c 2009-06-17 20:44:23.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/amd64-linux-nat.c 2009-08-03 15:49:33.000000000 +0200
@@ -51,6 +51,9 @@
#include "i386-linux-tdep.h"
#include "amd64-nat.h"
#include "i386-nat.h"
+#include "i387-tdep.h"
+#include "elf-bfd.h"
+#include "gdb_procfs32.h"
/* Mapping between the general-purpose registers in GNU/Linux x86-64
`struct user' format and GDB's register cache layout. */
@@ -85,6 +88,35 @@ static int amd64_linux_gregset64_reg_off
GNU/Linux i386 registers are all 32-bit, but since we're
little-endian we get away with that. */
+/* This info is not reusable from "i386-linux-nat.c" as gdb itself runs in
+ 64-bit mode and so ptrace(2) has 64-bit structure layout.
+ Just the corefile being generated has 32-bit layout so we need to do
+ a conversion specific to the i386-on-amd64 compatibility mode. */
+static int i386_linux_gregset32_reg_offset[] =
+{
+ 6 * 4, /* %eax */
+ 1 * 4, /* %ecx */
+ 2 * 4, /* %edx */
+ 0 * 4, /* %ebx */
+ 15 * 4, /* %esp */
+ 5 * 4, /* %ebp */
+ 3 * 4, /* %esi */
+ 4 * 4, /* %edi */
+ 12 * 4, /* %eip */
+ 14 * 4, /* %eflags */
+ 13 * 4, /* %cs */
+ 16 * 4, /* %ss */
+ 7 * 4, /* %ds */
+ 8 * 4, /* %es */
+ 9 * 4, /* %fs */
+ 10 * 4, /* %gs */
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1,
+ -1,
+ 11 * 4 /* "orig_eax" */
+};
+
/* From <sys/reg.h> on GNU/Linux i386. */
static int amd64_linux_gregset32_reg_offset[] =
{
@@ -103,6 +135,96 @@ static int amd64_linux_gregset32_reg_off
};
+/* This functions make ELF32 32-bit elfcore note sections
+ on amd64 environment. */
+
+static char *
+amd64_linux_elfcore_write_prpsinfo (bfd *abfd, char *buf, int *bufsiz,
+ const char *fname, const char *psargs)
+{
+ if (gdbarch_ptr_bit (target_gdbarch) == 32)
+ {
+ int note_type;
+ char *note_name = "CORE";
+ struct elf_prpsinfo32 data;
+ note_type = NT_PRPSINFO;
+
+ memset (&data, 0, sizeof (data));
+ strncpy (data.pr_fname, fname, sizeof (data.pr_fname));
+ strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs));
+ return elfcore_write_note (abfd, buf, bufsiz,
+ note_name, note_type, &data, sizeof (data));
+ }
+ else
+ return elfcore_write_prpsinfo (abfd, buf, bufsiz, fname, psargs);
+}
+
+static void
+amd64_linux_set_registers (const gdb_byte *gregs, gdb_byte *buf)
+{
+ int i;
+ /* Copy the i386 registers in the amd64 layout into i386 layout. */
+ for (i = 0; i < I386_NUM_GREGS; i++)
+ memcpy(buf + i386_linux_gregset32_reg_offset[i],
+ gregs + amd64_linux_gregset32_reg_offset[i], 4);
+ for (i = I386_CS_REGNUM; i <= I386_GS_REGNUM; i++)
+ memcpy(buf + i386_linux_gregset32_reg_offset[i],
+ gregs + amd64_linux_gregset32_reg_offset[i], 4);
+}
+
+static char *
+amd64_linux_elfcore_write_prstatus (bfd *abfd, char *buf, int *bufsiz,
+ long pid, int cursig, const void *gregs)
+{
+ if (gdbarch_ptr_bit (target_gdbarch) == 32)
+ {
+ char *note_name = "CORE";
+ struct elf_prstatus32 prstat;
+ memset (&prstat, 0, sizeof (prstat));
+ prstat.pr_pid = pid;
+ prstat.pr_cursig = cursig;
+ amd64_linux_set_registers (gregs, (gdb_byte *) &prstat.pr_reg);
+ return elfcore_write_note (abfd, buf, bufsiz, note_name,
+ NT_PRSTATUS, &prstat, sizeof (prstat));
+ }
+ else
+ return elfcore_write_prstatus (abfd, buf, bufsiz, pid, cursig, gregs);
+}
+
+static char *
+amd64_elfcore_write_prxfpreg32 (bfd *abfd, char *buf, int *bufsiz,
+ struct regcache *regcache)
+{
+ char *note_name = "LINUX";
+ elf_fpxregset32_t fpxregs32;
+
+ i387_collect_fxsave (regcache, -1, &fpxregs32);
+ return elfcore_write_note(abfd, buf, bufsiz,
+ note_name, NT_PRXFPREG, &fpxregs32,
+ sizeof(fpxregs32));
+}
+
+static char *
+amd64_linux_elfcore_write_prfpreg (bfd *abfd, char *buf,
+ int *bufsiz, const void *fpregs, int size,
+ struct regcache *regcache)
+{
+ if (gdbarch_ptr_bit (target_gdbarch) == 32)
+ {
+ char *note_name = "CORE";
+ elf_fpregset32_t fpregs32;
+
+ i387_collect_fsave (regcache, -1, &fpregs32);
+ buf = elfcore_write_note(abfd, buf, bufsiz, note_name,
+ NT_FPREGSET, &fpregs32, sizeof(fpregs32));
+
+ return amd64_elfcore_write_prxfpreg32 (abfd, buf, bufsiz, regcache);
+ }
+ else
+ return elfcore_write_prfpreg (abfd, buf, bufsiz, fpregs, size);
+}
+
+
/* Transfering the general-purpose registers between GDB, inferiors
and core files. */
@@ -682,6 +804,11 @@ _initialize_amd64_linux_nat (void)
t->to_fetch_registers = amd64_linux_fetch_inferior_registers;
t->to_store_registers = amd64_linux_store_inferior_registers;
+ /* This functions make elfcore note sections. */
+ linux_elfcore_write_prpsinfo = amd64_linux_elfcore_write_prpsinfo;
+ linux_elfcore_write_prstatus = amd64_linux_elfcore_write_prstatus;
+ linux_elfcore_write_prfpreg = amd64_linux_elfcore_write_prfpreg;
+
/* Register the target. */
linux_nat_add_target (t);
linux_nat_set_new_thread (t, amd64_linux_new_thread);
Index: gdb-6.8.50.20090802/gdb/config.in
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/config.in 2009-08-03 09:50:57.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/config.in 2009-08-03 15:48:31.000000000 +0200
@@ -146,6 +146,9 @@
/* Define to 1 if you have the <elf_hp.h> header file. */
#undef HAVE_ELF_HP_H
+/* Define if struct elf_prstatus32 is available. */
+#undef HAVE_ELF_PRSTATUS32
+
/* Define to 1 if your system has the etext variable. */
#undef HAVE_ETEXT
@@ -487,6 +490,9 @@
/* Define to 1 if you have the <sys/poll.h> header file. */
#undef HAVE_SYS_POLL_H
+/* Define to 1 if you have the <sys/procfs32.h> header file. */
+#undef HAVE_SYS_PROCFS32_H
+
/* Define to 1 if you have the <sys/procfs.h> header file. */
#undef HAVE_SYS_PROCFS_H
@@ -514,6 +520,9 @@
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
+/* Define to 1 if you have the <sys/user32.h> header file. */
+#undef HAVE_SYS_USER32_H
+
/* Define to 1 if you have the <sys/user.h> header file. */
#undef HAVE_SYS_USER_H
Index: gdb-6.8.50.20090802/gdb/configure
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/configure 2009-08-03 09:50:57.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/configure 2009-08-03 15:48:31.000000000 +0200
@@ -12545,6 +12545,268 @@ _ACEOF
fi
+
+
+for ac_header in sys/user32.h sys/procfs32.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+echo "$as_me:$LINENO: checking for struct elf_prstatus32.pr_reg" >&5
+echo $ECHO_N "checking for struct elf_prstatus32.pr_reg... $ECHO_C" >&6
+if test "${ac_cv_member_struct_elf_prstatus32_pr_reg+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/procfs.h>
+
+int
+main ()
+{
+static struct elf_prstatus32 ac_aggr;
+if (ac_aggr.pr_reg)
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_member_struct_elf_prstatus32_pr_reg=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/procfs.h>
+
+int
+main ()
+{
+static struct elf_prstatus32 ac_aggr;
+if (sizeof ac_aggr.pr_reg)
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_member_struct_elf_prstatus32_pr_reg=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_member_struct_elf_prstatus32_pr_reg=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_member_struct_elf_prstatus32_pr_reg" >&5
+echo "${ECHO_T}$ac_cv_member_struct_elf_prstatus32_pr_reg" >&6
+if test $ac_cv_member_struct_elf_prstatus32_pr_reg = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ELF_PRSTATUS32 1
+_ACEOF
+
+fi
+
# elf_hp.h is for HP/UX 64-bit shared library support.
# FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
# unconditionally, so what's the point in checking these?
Index: gdb-6.8.50.20090802/gdb/configure.ac
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/configure.ac 2009-08-03 09:50:57.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/configure.ac 2009-08-03 15:48:31.000000000 +0200
@@ -744,6 +744,11 @@ AC_SUBST(PYTHON_CFLAGS)
AC_HEADER_DIRENT
AC_HEADER_STAT
AC_HEADER_STDC
+AC_CHECK_HEADERS([sys/user32.h sys/procfs32.h])
+AC_CHECK_MEMBER([struct elf_prstatus32.pr_reg],
+ [AC_DEFINE(HAVE_ELF_PRSTATUS32, 1,
+ [Define if struct elf_prstatus32 is available. ])],
+ [], [#include <sys/procfs.h>])
# elf_hp.h is for HP/UX 64-bit shared library support.
# FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
# unconditionally, so what's the point in checking these?
Index: gdb-6.8.50.20090802/gdb/gcore.c
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/gcore.c 2009-08-03 12:28:56.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/gcore.c 2009-08-03 15:48:31.000000000 +0200
@@ -324,6 +324,11 @@ gcore_create_callback (CORE_ADDR vaddr,
asection *osec;
flagword flags = SEC_ALLOC | SEC_HAS_CONTENTS | SEC_LOAD;
+ /* Some Linux kernel versions around 2.6.17 have for i386 inferiors running
+ in compatibility mode on amd64 kernel their VSYSCALL page (at 0xffffe000)
+ protected as RWX==000 by default and gdb fails to read the library header
+ upon loading the core. This is a Linux kernel bug being fixed. */
+
/* If the memory segment has no permissions set, ignore it, otherwise
when we later try to access it for read/write, we'll get an error
or jam the kernel. */
Index: gdb-6.8.50.20090802/gdb/gdb_procfs32.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20090802/gdb/gdb_procfs32.h 2009-08-03 15:48:31.000000000 +0200
@@ -0,0 +1,128 @@
+#ifdef HAVE_SYS_PROCFS32_H
+#include <sys/procfs32.h>
+#elif !defined HAVE_ELF_PRSTATUS32
+
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_PROCFS32_H
+#define _SYS_PROCFS32_H 1
+
+/* This is somewhat modelled after the file of the same name on SVR4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. It doesn't have anything to do with the /proc file
+ system, even though Linux has one.
+
+ Anyway, the whole purpose of this file is for GDB and GDB only.
+ Don't read too much into it. Don't use it for anything other than
+ GDB unless you know what you are doing. */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include "gdb_user32.h"
+
+/* We define here only the symbols differing from their 64-bit variant. */
+#include <sys/procfs.h>
+
+__BEGIN_DECLS
+
+/* Type for a general-purpose register. */
+typedef unsigned int elf_greg32_t;
+
+/* And the whole bunch of them. We could have used `struct
+ user_regs_struct' directly in the typedef, but tradition says that
+ the register set is an array, which does have some peculiar
+ semantics, so leave it that way. */
+#define ELF_NGREG32 (sizeof (struct user_regs32_struct) / sizeof(elf_greg32_t))
+typedef elf_greg32_t elf_gregset32_t[ELF_NGREG32];
+
+/* Register set for the floating-point registers. */
+typedef struct user_fpregs32_struct elf_fpregset32_t;
+
+/* Register set for the extended floating-point registers. Includes
+ the Pentium III SSE registers in addition to the classic
+ floating-point stuff. */
+typedef struct user_fpxregs32_struct elf_fpxregset32_t;
+
+
+/* Definitions to generate Intel SVR4-like core files. These mostly
+ have the same names as the SVR4 types with "elf_" tacked on the
+ front to prevent clashes with Linux definitions, and the typedef
+ forms have been avoided. This is mostly like the SVR4 structure,
+ but more Linuxy, with things that Linux does not support and which
+ GDB doesn't really use excluded. */
+
+struct prstatus32_timeval
+ {
+ int tv_sec;
+ int tv_usec;
+ };
+
+struct elf_prstatus32
+ {
+ struct elf_siginfo pr_info; /* Info associated with signal. */
+ short int pr_cursig; /* Current signal. */
+ unsigned int pr_sigpend; /* Set of pending signals. */
+ unsigned int pr_sighold; /* Set of held signals. */
+ __pid_t pr_pid;
+ __pid_t pr_ppid;
+ __pid_t pr_pgrp;
+ __pid_t pr_sid;
+ struct prstatus32_timeval pr_utime; /* User time. */
+ struct prstatus32_timeval pr_stime; /* System time. */
+ struct prstatus32_timeval pr_cutime; /* Cumulative user time. */
+ struct prstatus32_timeval pr_cstime; /* Cumulative system time. */
+ elf_gregset32_t pr_reg; /* GP registers. */
+ int pr_fpvalid; /* True if math copro being used. */
+ };
+
+
+struct elf_prpsinfo32
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned int pr_flag; /* Flags. */
+ unsigned short int pr_uid;
+ unsigned short int pr_gid;
+ int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ /* Lots missing */
+ char pr_fname[16]; /* Filename of executable. */
+ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
+ };
+
+
+/* The rest of this file provides the types for emulation of the
+ Solaris <proc_service.h> interfaces that should be implemented by
+ users of libthread_db. */
+
+/* Register sets. Linux has different names. */
+typedef elf_gregset_t prgregset32_t;
+typedef elf_fpregset_t prfpregset32_t;
+
+/* Process status and info. In the end we do provide typedefs for them. */
+typedef struct elf_prstatus32 prstatus32_t;
+typedef struct elf_prpsinfo32 prpsinfo32_t;
+
+__END_DECLS
+
+#endif /* _SYS_PROCFS32_H */
+
+#endif /* HAVE_SYS_PROCFS32_H */
Index: gdb-6.8.50.20090802/gdb/gdb_user32.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gdb-6.8.50.20090802/gdb/gdb_user32.h 2009-08-03 15:48:31.000000000 +0200
@@ -0,0 +1,108 @@
+#ifdef HAVE_SYS_USER32_H
+#include <sys/user32.h>
+#else
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+typedef int32_t gdb_int32_t;
+typedef uint32_t gdb_uint32_t;
+#else
+typedef signed int gdb_uint32_t;
+typedef unsigned int gdb_uint32_t;
+#endif
+
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_USER32_H
+#define _SYS_USER32_H 1
+
+/* These are the 32-bit x86 structures. */
+
+struct user_fpregs32_struct
+{
+ int32_t cwd;
+ int32_t swd;
+ int32_t twd;
+ int32_t fip;
+ int32_t fcs;
+ int32_t foo;
+ int32_t fos;
+ int32_t st_space [20];
+};
+
+struct user_fpxregs32_struct
+{
+ unsigned short int cwd;
+ unsigned short int swd;
+ unsigned short int twd;
+ unsigned short int fop;
+ int32_t fip;
+ int32_t fcs;
+ int32_t foo;
+ int32_t fos;
+ int32_t mxcsr;
+ int32_t reserved;
+ int32_t st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
+ int32_t xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
+ int32_t padding[56];
+};
+
+struct user_regs32_struct
+{
+ int32_t ebx;
+ int32_t ecx;
+ int32_t edx;
+ int32_t esi;
+ int32_t edi;
+ int32_t ebp;
+ int32_t eax;
+ int32_t xds;
+ int32_t xes;
+ int32_t xfs;
+ int32_t xgs;
+ int32_t orig_eax;
+ int32_t eip;
+ int32_t xcs;
+ int32_t eflags;
+ int32_t esp;
+ int32_t xss;
+};
+
+struct user32
+{
+ struct user_regs32_struct regs;
+ int u_fpvalid;
+ struct user_fpregs32_struct i387;
+ uint32_t u_tsize;
+ uint32_t u_dsize;
+ uint32_t u_ssize;
+ uint32_t start_code;
+ uint32_t start_stack;
+ int32_t signal;
+ int reserved;
+ struct user_regs32_struct* u_ar0;
+ struct user_fpregs32_struct* u_fpstate;
+ uint32_t magic;
+ char u_comm [32];
+ int u_debugreg [8];
+};
+
+#endif /* _SYS_USER32_H */
+
+#endif /* HAVE_SYS_USER32_H */
Index: gdb-6.8.50.20090802/gdb/linux-nat.c
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/linux-nat.c 2009-08-03 12:31:26.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/linux-nat.c 2009-08-03 15:48:31.000000000 +0200
@@ -219,6 +219,21 @@ static LONGEST (*super_xfer_partial) (st
const gdb_byte *,
ULONGEST, LONGEST);
+/* This functions make elfcore note sections.
+ They may get overriden by code adjusting data for multi-target builds. */
+char *(*linux_elfcore_write_prpsinfo)
+ (bfd *, char *, int *, const char *, const char *) = elfcore_write_prpsinfo;
+char *(*linux_elfcore_write_prstatus)
+ (bfd *, char *, int *, long, int, const void *) = elfcore_write_prstatus;
+static char *
+linux_elfcore_write_prfpreg_bfd (bfd *abfd, char *buf, int *bufsiz,
+ const void *fpregs, int size, struct regcache *regcache)
+{
+ return elfcore_write_prfpreg (abfd, buf, bufsiz, fpregs, size);
+}
+char *(*linux_elfcore_write_prfpreg) (bfd *, char *, int *, const void *, int,
+ struct regcache *) = linux_elfcore_write_prfpreg_bfd;
+
static int debug_linux_nat;
static void
show_debug_linux_nat (struct ui_file *file, int from_tty,
@@ -3586,7 +3601,7 @@ linux_nat_do_thread_registers (bfd *obfd
else
fill_gregset (regcache, &gregs, -1);
- note_data = (char *) elfcore_write_prstatus (obfd,
+ note_data = (char *) linux_elfcore_write_prstatus (obfd,
note_data,
note_size,
lwp,
@@ -3636,10 +3651,10 @@ linux_nat_do_thread_registers (bfd *obfd
else
fill_fpregset (regcache, &fpregs, -1);
- note_data = (char *) elfcore_write_prfpreg (obfd,
+ note_data = (char *) linux_elfcore_write_prfpreg (obfd,
note_data,
note_size,
- &fpregs, sizeof (fpregs));
+ &fpregs, sizeof (fpregs), regcache);
}
return note_data;
@@ -3822,9 +3837,9 @@ linux_nat_make_corefile_notes (bfd *obfd
psargs_end - string_end);
}
}
- note_data = (char *) elfcore_write_prpsinfo (obfd,
- note_data,
- note_size, fname, psargs);
+ note_data = (char *) linux_elfcore_write_prpsinfo (obfd, note_data,
+ note_size, fname,
+ psargs);
}
/* Dump information for threads. */
Index: gdb-6.8.50.20090802/gdb/linux-nat.h
===================================================================
--- gdb-6.8.50.20090802.orig/gdb/linux-nat.h 2009-08-03 10:52:00.000000000 +0200
+++ gdb-6.8.50.20090802/gdb/linux-nat.h 2009-08-03 15:48:31.000000000 +0200
@@ -144,3 +144,12 @@ void linux_nat_switch_fork (ptid_t new_p
/* Return the saved siginfo associated with PTID. */
struct siginfo *linux_nat_get_siginfo (ptid_t ptid);
+
+/* These functions make elfcore note sections.
+ They may get overriden by code adjusting data for multi-target builds. */
+extern char *(*linux_elfcore_write_prpsinfo)
+ (bfd *, char *, int *, const char *, const char *);
+extern char *(*linux_elfcore_write_prstatus)
+ (bfd *, char *, int *, long, int, const void *);
+extern char *(*linux_elfcore_write_prfpreg)
+ (bfd *, char *, int *, const void *, int, struct regcache *);
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