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qt-creator/dist/gdb/patches/gdb-buildid-locate.patch

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diff -rup gdb-7.4ori//gdb/acinclude.m4 gdb-7.4/gdb/acinclude.m4
--- gdb-7.4ori//gdb/acinclude.m4 2010-05-27 05:40:45.000000000 +0200
+++ gdb-7.4/gdb/acinclude.m4 2012-05-10 11:26:26.319643428 +0200
@@ -1,3 +1,5 @@
+# serial 1
+
dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>
@@ -81,8 +83,6 @@ AC_MSG_RESULT(yes)
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
-# serial 1
-
# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
diff -rup gdb-7.4ori//gdb/aclocal.m4 gdb-7.4/gdb/aclocal.m4
--- gdb-7.4ori//gdb/aclocal.m4 2011-02-15 22:05:53.000000000 +0100
+++ gdb-7.4/gdb/aclocal.m4 2012-05-10 11:26:26.315643428 +0200
@@ -19,6 +19,162 @@ You have another version of autoconf. I
If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically `autoreconf'.])])
+# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
+#
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+ AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+ _pkg_min_version=m4_default([$1], [0.9.0])
+ AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ PKG_CONFIG=""
+ fi
+
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists. Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+#
+# Similar to PKG_CHECK_MODULES, make sure that the first instance of
+# this or PKG_CHECK_MODULES is called, or make sure to call
+# PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+ m4_ifval([$2], [$2], [:])
+m4_ifvaln([$3], [else
+ $3])dnl
+fi])
+
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+ pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+ PKG_CHECK_EXISTS([$3],
+ [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
+ [pkg_failed=yes])
+ else
+ pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+ _pkg_short_errors_supported=yes
+else
+ _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+ _PKG_SHORT_ERRORS_SUPPORTED
+ if test $_pkg_short_errors_supported = yes; then
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
+ else
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
+ fi
+ # Put the nasty error message in config.log where it belongs
+ echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+ ifelse([$4], , [AC_MSG_ERROR(dnl
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT
+])],
+ [AC_MSG_RESULT([no])
+ $4])
+elif test $pkg_failed = untried; then
+ ifelse([$4], , [AC_MSG_FAILURE(dnl
+[The pkg-config script could not be found or is too old. Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
+ [$4])
+else
+ $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+ $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+ AC_MSG_RESULT([yes])
+ ifelse([$3], , :, [$3])
+fi[]dnl
+])# PKG_CHECK_MODULES
+
# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
diff -rup gdb-7.4ori//gdb/config.in gdb-7.4/gdb/config.in
--- gdb-7.4ori//gdb/config.in 2011-11-20 09:59:56.000000000 +0100
+++ gdb-7.4/gdb/config.in 2012-05-10 11:26:26.315643428 +0200
@@ -46,6 +46,9 @@
/* Define to BFD's default target vector. */
#undef DEFAULT_BFD_VEC
+/* librpm version specific library name to dlopen. */
+#undef DLOPEN_LIBRPM
+
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
@@ -233,6 +236,9 @@
/* Define if Python 2.7 is being used. */
#undef HAVE_LIBPYTHON2_7
+/* Define if librpm library is being used. */
+#undef HAVE_LIBRPM
+
/* Define if libunwind library is being used. */
#undef HAVE_LIBUNWIND
diff -rup gdb-7.4ori//gdb/configure gdb-7.4/gdb/configure
--- gdb-7.4ori//gdb/configure 2011-12-13 14:08:05.000000000 +0100
+++ gdb-7.4/gdb/configure 2012-05-10 11:26:26.319643428 +0200
@@ -684,6 +684,9 @@ REPORT_BUGS_TO
PKGVERSION
TARGET_OBS
subdirs
+RPM_LIBS
+RPM_CFLAGS
+PKG_CONFIG
GDB_DATADIR
DEBUGDIR
am__fastdepCC_FALSE
@@ -952,6 +955,7 @@ enable_dependency_tracking
with_separate_debug_dir
with_gdb_datadir
with_relocated_sources
+with_rpm
enable_targets
enable_64_bit_bfd
enable_gdbcli
@@ -995,6 +999,9 @@ LDFLAGS
LIBS
CPPFLAGS
CPP
+PKG_CONFIG
+RPM_CFLAGS
+RPM_LIBS
MAKEINFO
MAKEINFOFLAGS
YACC
@@ -1658,6 +1665,8 @@ Optional Packages:
[DATADIR/gdb]
--with-relocated-sources=PATH
automatically relocate this path for source files
+ --with-rpm query rpm database for missing debuginfos (yes/no,
+ def. auto=librpm.so)
--with-libunwind use libunwind frame unwinding support
--with-curses use the curses library instead of the termcap
library
@@ -1696,6 +1705,9 @@ Some influential environment variables:
CPPFLAGS C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
you have headers in a nonstandard directory <include dir>
CPP C preprocessor
+ PKG_CONFIG path to pkg-config utility
+ RPM_CFLAGS C compiler flags for RPM, overriding pkg-config
+ RPM_LIBS linker flags for RPM, overriding pkg-config
MAKEINFO Parent configure detects if it is of sufficient version.
MAKEINFOFLAGS
YACC The `Yet Another C Compiler' implementation to use. Defaults to
@@ -7968,6 +7980,486 @@ _ACEOF
fi
+# Integration with rpm library to support missing debuginfo suggestions.
+# --without-rpm: Disable any rpm support.
+# --with-rpm=libname.so: Try to dynamically open `libname.so' during runtime.
+# Even with runtime missing `libname.so' GDB will still other run correctly.
+# Missing `libname.so' during ./configure will abort the configuration.
+# --with-rpm=librpm.so: Like `--with-rpm=libname.so' but try to find specific
+# minor version first such as `librpm-4.6.so' as minor version differences
+# mean API+ABI incompatibility. If the specific match versioned library name
+# could not be found still open dynamically at least `librpm.so'.
+# --with-rpm: Like `--with-rpm=librpm.so' but if any of its detection fails try
+# to find librpm for compilation-time linking by pkg-config. GDB binary will
+# be probably linked with the version specific library (as `librpm-4.6.so').
+# Failure to find librpm by pkg-config will abort the configuration.
+# (default) --with-rpm=auto: Like `--with-rpm=librpm.so' but if even pkg-config
+# cannot find librpm use to the rpmless compilation (like `--without-rpm').
+
+
+# Check whether --with-rpm was given.
+if test "${with_rpm+set}" = set; then :
+ withval=$with_rpm;
+else
+ with_rpm="auto"
+fi
+
+
+
+
+if test "x$with_rpm" != "xno"; then
+ if test "x$with_rpm" = "xyes"; then
+ LIBRPM="librpm.so"
+ RPM_REQUIRE=true
+ DLOPEN_REQUIRE=false
+ elif test "x$with_rpm" = "xauto"; then
+ LIBRPM="librpm.so"
+ RPM_REQUIRE=false
+ DLOPEN_REQUIRE=false
+ else
+ LIBRPM="$with_rpm"
+ RPM_REQUIRE=true
+ DLOPEN_REQUIRE=true
+ fi
+ LIBRPM_STRING='"'"$LIBRPM"'"'
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking specific librpm version" >&5
+$as_echo_n "checking specific librpm version... " >&6; }
+ HAVE_DLOPEN_LIBRPM=false
+ save_LIBS="$LIBS"
+ LIBS="$LIBS -ldl"
+ if test "$cross_compiling" = yes; then :
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <rpm/rpmlib.h>
+#include <dlfcn.h>
+#include <errno.h>
+
+int
+main ()
+{
+
+ void *h;
+ const char *const *rpmverp;
+ FILE *f;
+
+ f = fopen ("conftest.out", "w");
+ if (!f)
+ {
+ fprintf (stderr, "Cannot write \"%s\": %s\n", "conftest.out",
+ strerror (errno));
+ return 1;
+ }
+ h = dlopen ($LIBRPM_STRING, RTLD_LAZY);
+ if (!h)
+ {
+ fprintf (stderr, "dlopen (\"%s\"): %s\n", $LIBRPM_STRING, dlerror ());
+ return 1;
+ }
+ rpmverp = dlsym (h, "RPMVERSION");
+ if (!rpmverp)
+ {
+ fprintf (stderr, "dlsym (\"RPMVERSION\"): %s\n", dlerror ());
+ return 1;
+ }
+ fprintf (stderr, "RPMVERSION is: \"");
+ fprintf (stderr, "%s\"\n", *rpmverp);
+
+ /* Try to find the specific librpm version only for "librpm.so" as we do
+ not know how to assemble the version string otherwise. */
+
+ if (strcmp ("librpm.so", $LIBRPM_STRING) != 0)
+ {
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ else
+ {
+ char *h2_name;
+ void *h2;
+ int major, minor;
+
+ if (sscanf (*rpmverp, "%d.%d", &major, &minor) != 2)
+ {
+ fprintf (stderr, "Unable to parse RPMVERSION.\n");
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ /* Avoid the square brackets by malloc. */
+ h2_name = malloc (64);
+ sprintf (h2_name, "librpm-%d.%d.so", major, minor);
+ h2 = dlopen (h2_name, RTLD_LAZY);
+ if (!h2)
+ {
+ fprintf (stderr, "dlopen (\"%s\"): %s\n", h2_name, dlerror ());
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ if (h2 != h)
+ {
+ fprintf (stderr, "dlopen of \"%s\" and \"%s\" are different.\n",
+ $LIBRPM_STRING, h2_name);
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ /* Found the valid .so name with a specific version. */
+ fprintf (f, "%s\n", h2_name);
+ return 0;
+ }
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+ DLOPEN_LIBRPM="`cat conftest.out`"
+ if test "x$DLOPEN_LIBRPM" != "x"; then
+ HAVE_DLOPEN_LIBRPM=true
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLOPEN_LIBRPM" >&5
+$as_echo "$DLOPEN_LIBRPM" >&6; }
+ fi
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ rm -f conftest.out
+
+
+
+ if $HAVE_DLOPEN_LIBRPM; then
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking rpm library API compatibility" >&5
+$as_echo_n "checking rpm library API compatibility... " >&6; }
+ # The compilation requires -Werror to verify anything.
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Duplicate here the declarations to verify they match "elfread.c". */
+#include <rpm/rpmlib.h>
+#include <rpm/rpmts.h>
+#include <rpm/rpmdb.h>
+#include <rpm/header.h>
+extern char * headerFormat(Header h, const char * fmt, errmsg_t * errmsg);
+extern int rpmReadConfigFiles(const char * file, const char * target);
+extern rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi);
+extern Header rpmdbNextIterator(rpmdbMatchIterator mi);
+extern rpmts rpmtsCreate(void);
+extern rpmts rpmtsFree(rpmts ts);
+extern rpmdbMatchIterator rpmtsInitIterator(const rpmts ts, rpmTag rpmtag,
+ const void * keyp, size_t keylen);
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ LIBRPM_COMPAT=true
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ LIBRPM_COMPAT=false
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$save_CFLAGS"
+
+ if ! $LIBRPM_COMPAT; then
+ HAVE_DLOPEN_LIBRPM=false
+ fi
+ fi
+
+ if $HAVE_DLOPEN_LIBRPM; then
+ DLOPEN_LIBRPM_STRING='"'"$DLOPEN_LIBRPM"'"'
+
+cat >>confdefs.h <<_ACEOF
+#define DLOPEN_LIBRPM $DLOPEN_LIBRPM_STRING
+_ACEOF
+
+
+$as_echo "#define HAVE_LIBRPM 1" >>confdefs.h
+
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ LIBS="$save_LIBS"
+ if $DLOPEN_REQUIRE; then
+ as_fn_error "Specific name $LIBRPM was requested but it could not be opened." "$LINENO" 5
+ fi
+
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_PKG_CONFIG+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $PKG_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+PKG_CONFIG=$ac_cv_path_PKG_CONFIG
+if test -n "$PKG_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5
+$as_echo "$PKG_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_PKG_CONFIG"; then
+ ac_pt_PKG_CONFIG=$PKG_CONFIG
+ # Extract the first word of "pkg-config", so it can be a program name with args.
+set dummy pkg-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_ac_pt_PKG_CONFIG+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $ac_pt_PKG_CONFIG in
+ [\\/]* | ?:[\\/]*)
+ ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path.
+ ;;
+ *)
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+fi
+ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG
+if test -n "$ac_pt_PKG_CONFIG"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5
+$as_echo "$ac_pt_PKG_CONFIG" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_pt_PKG_CONFIG" = x; then
+ PKG_CONFIG=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ PKG_CONFIG=$ac_pt_PKG_CONFIG
+ fi
+else
+ PKG_CONFIG="$ac_cv_path_PKG_CONFIG"
+fi
+
+fi
+if test -n "$PKG_CONFIG"; then
+ _pkg_min_version=0.9.0
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5
+$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; }
+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ PKG_CONFIG=""
+ fi
+
+fi
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for RPM" >&5
+$as_echo_n "checking for RPM... " >&6; }
+
+if test -n "$RPM_CFLAGS"; then
+ pkg_cv_RPM_CFLAGS="$RPM_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"rpm\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "rpm") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_RPM_CFLAGS=`$PKG_CONFIG --cflags "rpm" 2>/dev/null`
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+if test -n "$RPM_LIBS"; then
+ pkg_cv_RPM_LIBS="$RPM_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"rpm\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "rpm") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_RPM_LIBS=`$PKG_CONFIG --libs "rpm" 2>/dev/null`
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+ _pkg_short_errors_supported=yes
+else
+ _pkg_short_errors_supported=no
+fi
+ if test $_pkg_short_errors_supported = yes; then
+ RPM_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "rpm" 2>&1`
+ else
+ RPM_PKG_ERRORS=`$PKG_CONFIG --print-errors "rpm" 2>&1`
+ fi
+ # Put the nasty error message in config.log where it belongs
+ echo "$RPM_PKG_ERRORS" >&5
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ HAVE_LIBRPM=false
+elif test $pkg_failed = untried; then
+ HAVE_LIBRPM=false
+else
+ RPM_CFLAGS=$pkg_cv_RPM_CFLAGS
+ RPM_LIBS=$pkg_cv_RPM_LIBS
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ HAVE_LIBRPM=true
+fi
+
+ if $HAVE_LIBRPM; then
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking rpm library API compatibility" >&5
+$as_echo_n "checking rpm library API compatibility... " >&6; }
+ # The compilation requires -Werror to verify anything.
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Duplicate here the declarations to verify they match "elfread.c". */
+#include <rpm/rpmlib.h>
+#include <rpm/rpmts.h>
+#include <rpm/rpmdb.h>
+#include <rpm/header.h>
+extern char * headerFormat(Header h, const char * fmt, errmsg_t * errmsg);
+extern int rpmReadConfigFiles(const char * file, const char * target);
+extern rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi);
+extern Header rpmdbNextIterator(rpmdbMatchIterator mi);
+extern rpmts rpmtsCreate(void);
+extern rpmts rpmtsFree(rpmts ts);
+extern rpmdbMatchIterator rpmtsInitIterator(const rpmts ts, rpmTag rpmtag,
+ const void * keyp, size_t keylen);
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ LIBRPM_COMPAT=true
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ LIBRPM_COMPAT=false
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$save_CFLAGS"
+
+ if ! $LIBRPM_COMPAT; then
+ HAVE_LIBRPM=false
+ RPM_PKG_ERRORS="Found $LIBRPM API is incompatibile with this GDB"
+ fi
+ fi
+
+ if $HAVE_LIBRPM; then
+
+$as_echo "#define HAVE_LIBRPM 1" >>confdefs.h
+
+ CFLAGS="$CFLAGS $RPM_CFLAGS"
+ LIBS="$LIBS $RPM_LIBS"
+ else
+ if $RPM_REQUIRE; then
+ as_fn_error "$RPM_PKG_ERRORS" "$LINENO" 5
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $RPM_PKG_ERRORS" >&5
+$as_echo "$as_me: WARNING: $RPM_PKG_ERRORS" >&2;}
+ fi
+ fi
+ fi
+fi
+
subdirs="$subdirs testsuite"
diff -rup gdb-7.4ori//gdb/configure.ac gdb-7.4/gdb/configure.ac
--- gdb-7.4ori//gdb/configure.ac 2012-01-06 05:43:06.000000000 +0100
+++ gdb-7.4/gdb/configure.ac 2012-05-10 11:26:26.319643428 +0200
@@ -138,6 +138,199 @@ AS_HELP_STRING([--with-relocated-sources
[Relocated directory for source files. ])
])
+# Integration with rpm library to support missing debuginfo suggestions.
+# --without-rpm: Disable any rpm support.
+# --with-rpm=libname.so: Try to dynamically open `libname.so' during runtime.
+# Even with runtime missing `libname.so' GDB will still other run correctly.
+# Missing `libname.so' during ./configure will abort the configuration.
+# --with-rpm=librpm.so: Like `--with-rpm=libname.so' but try to find specific
+# minor version first such as `librpm-4.6.so' as minor version differences
+# mean API+ABI incompatibility. If the specific match versioned library name
+# could not be found still open dynamically at least `librpm.so'.
+# --with-rpm: Like `--with-rpm=librpm.so' but if any of its detection fails try
+# to find librpm for compilation-time linking by pkg-config. GDB binary will
+# be probably linked with the version specific library (as `librpm-4.6.so').
+# Failure to find librpm by pkg-config will abort the configuration.
+# (default) --with-rpm=auto: Like `--with-rpm=librpm.so' but if even pkg-config
+# cannot find librpm use to the rpmless compilation (like `--without-rpm').
+
+AC_ARG_WITH([rpm],
+ [AS_HELP_STRING([--with-rpm],
+ [query rpm database for missing debuginfos (yes/no, def. auto=librpm.so)])], [], [with_rpm="auto"])
+
+m4_pattern_allow([^AC_MSG_ERROR$])
+m4_pattern_allow([^AC_MSG_WARN$])
+if test "x$with_rpm" != "xno"; then
+ if test "x$with_rpm" = "xyes"; then
+ LIBRPM="librpm.so"
+ RPM_REQUIRE=true
+ DLOPEN_REQUIRE=false
+ elif test "x$with_rpm" = "xauto"; then
+ LIBRPM="librpm.so"
+ RPM_REQUIRE=false
+ DLOPEN_REQUIRE=false
+ else
+ LIBRPM="$with_rpm"
+ RPM_REQUIRE=true
+ DLOPEN_REQUIRE=true
+ fi
+ LIBRPM_STRING='"'"$LIBRPM"'"'
+
+ AC_MSG_CHECKING([specific librpm version])
+ HAVE_DLOPEN_LIBRPM=false
+ save_LIBS="$LIBS"
+ LIBS="$LIBS -ldl"
+ AC_RUN_IFELSE(AC_LANG_PROGRAM([[
+#include <rpm/rpmlib.h>
+#include <dlfcn.h>
+#include <errno.h>
+ ]], [[
+ void *h;
+ const char *const *rpmverp;
+ FILE *f;
+
+ f = fopen ("conftest.out", "w");
+ if (!f)
+ {
+ fprintf (stderr, "Cannot write \"%s\": %s\n", "conftest.out",
+ strerror (errno));
+ return 1;
+ }
+ h = dlopen ($LIBRPM_STRING, RTLD_LAZY);
+ if (!h)
+ {
+ fprintf (stderr, "dlopen (\"%s\"): %s\n", $LIBRPM_STRING, dlerror ());
+ return 1;
+ }
+ rpmverp = dlsym (h, "RPMVERSION");
+ if (!rpmverp)
+ {
+ fprintf (stderr, "dlsym (\"RPMVERSION\"): %s\n", dlerror ());
+ return 1;
+ }
+ fprintf (stderr, "RPMVERSION is: \"");
+ fprintf (stderr, "%s\"\n", *rpmverp);
+
+ /* Try to find the specific librpm version only for "librpm.so" as we do
+ not know how to assemble the version string otherwise. */
+
+ if (strcmp ("librpm.so", $LIBRPM_STRING) != 0)
+ {
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ else
+ {
+ char *h2_name;
+ void *h2;
+ int major, minor;
+
+ if (sscanf (*rpmverp, "%d.%d", &major, &minor) != 2)
+ {
+ fprintf (stderr, "Unable to parse RPMVERSION.\n");
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ /* Avoid the square brackets by malloc. */
+ h2_name = malloc (64);
+ sprintf (h2_name, "librpm-%d.%d.so", major, minor);
+ h2 = dlopen (h2_name, RTLD_LAZY);
+ if (!h2)
+ {
+ fprintf (stderr, "dlopen (\"%s\"): %s\n", h2_name, dlerror ());
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ if (h2 != h)
+ {
+ fprintf (stderr, "dlopen of \"%s\" and \"%s\" are different.\n",
+ $LIBRPM_STRING, h2_name);
+ fprintf (f, "%s\n", $LIBRPM_STRING);
+ return 0;
+ }
+ /* Found the valid .so name with a specific version. */
+ fprintf (f, "%s\n", h2_name);
+ return 0;
+ }
+ ]]), [
+ DLOPEN_LIBRPM="`cat conftest.out`"
+ if test "x$DLOPEN_LIBRPM" != "x"; then
+ HAVE_DLOPEN_LIBRPM=true
+ AC_MSG_RESULT($DLOPEN_LIBRPM)
+ fi
+ ])
+ rm -f conftest.out
+
+ m4_define([CHECK_LIBRPM_COMPAT], [
+ AC_MSG_CHECKING([rpm library API compatibility])
+ # The compilation requires -Werror to verify anything.
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
+/* Duplicate here the declarations to verify they match "elfread.c". */
+#include <rpm/rpmlib.h>
+#include <rpm/rpmts.h>
+#include <rpm/rpmdb.h>
+#include <rpm/header.h>
+extern char * headerFormat(Header h, const char * fmt, errmsg_t * errmsg);
+extern int rpmReadConfigFiles(const char * file, const char * target);
+extern rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi);
+extern Header rpmdbNextIterator(rpmdbMatchIterator mi);
+extern rpmts rpmtsCreate(void);
+extern rpmts rpmtsFree(rpmts ts);
+extern rpmdbMatchIterator rpmtsInitIterator(const rpmts ts, rpmTag rpmtag,
+ const void * keyp, size_t keylen);
+ ]]), [
+ LIBRPM_COMPAT=true
+ AC_MSG_RESULT(yes)
+ ], [
+ LIBRPM_COMPAT=false
+ AC_MSG_RESULT(no)
+ ])
+ CFLAGS="$save_CFLAGS"
+ ])
+
+ if $HAVE_DLOPEN_LIBRPM; then
+ CHECK_LIBRPM_COMPAT
+ if ! $LIBRPM_COMPAT; then
+ HAVE_DLOPEN_LIBRPM=false
+ fi
+ fi
+
+ if $HAVE_DLOPEN_LIBRPM; then
+ DLOPEN_LIBRPM_STRING='"'"$DLOPEN_LIBRPM"'"'
+ AC_DEFINE_UNQUOTED(DLOPEN_LIBRPM, $DLOPEN_LIBRPM_STRING, [librpm version specific library name to dlopen.])
+ AC_DEFINE(HAVE_LIBRPM, 1, [Define if librpm library is being used.])
+ else
+ AC_MSG_RESULT(no)
+ LIBS="$save_LIBS"
+ if $DLOPEN_REQUIRE; then
+ AC_MSG_ERROR([Specific name $LIBRPM was requested but it could not be opened.])
+ fi
+ PKG_CHECK_MODULES(RPM, rpm, [HAVE_LIBRPM=true], [HAVE_LIBRPM=false])
+
+ if $HAVE_LIBRPM; then
+ CHECK_LIBRPM_COMPAT
+ if ! $LIBRPM_COMPAT; then
+ HAVE_LIBRPM=false
+ RPM_PKG_ERRORS="Found $LIBRPM API is incompatibile with this GDB"
+ fi
+ fi
+
+ if $HAVE_LIBRPM; then
+ AC_DEFINE(HAVE_LIBRPM, 1, [Define if librpm library is being used.])
+ CFLAGS="$CFLAGS $RPM_CFLAGS"
+ LIBS="$LIBS $RPM_LIBS"
+ else
+ if $RPM_REQUIRE; then
+ AC_MSG_ERROR($RPM_PKG_ERRORS)
+ else
+ AC_MSG_WARN($RPM_PKG_ERRORS)
+ fi
+ fi
+ fi
+fi
+
AC_CONFIG_SUBDIRS(testsuite)
# Check whether to support alternative target configurations
diff -rup gdb-7.4ori//gdb/corelow.c gdb-7.4/gdb/corelow.c
--- gdb-7.4ori//gdb/corelow.c 2012-01-06 05:43:06.000000000 +0100
+++ gdb-7.4/gdb/corelow.c 2012-05-10 11:26:26.319643428 +0200
@@ -47,7 +47,9 @@
#include "progspace.h"
#include "objfiles.h"
#include "wrapper.h"
-
+#include "auxv.h"
+#include "elf/common.h"
+#include "gdbcmd.h"
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
@@ -278,6 +280,52 @@ add_to_thread_list (bfd *abfd, asection
inferior_ptid = ptid; /* Yes, make it current. */
}
+static int build_id_core_loads = 1;
+
+static void
+build_id_locate_exec (int from_tty)
+{
+ CORE_ADDR at_entry;
+ struct build_id *build_id;
+ char *exec_filename, *debug_filename;
+ char *build_id_filename;
+ struct cleanup *back_to;
+
+ if (exec_bfd != NULL || symfile_objfile != NULL)
+ return;
+
+ if (target_auxv_search (&current_target, AT_ENTRY, &at_entry) <= 0)
+ return;
+
+ build_id = build_id_addr_get (at_entry);
+ if (build_id == NULL)
+ return;
+
+ /* SYMFILE_OBJFILE should refer to the main executable (not only to its
+ separate debug info file). gcc44+ keeps .eh_frame only in the main
+ executable without its duplicate .debug_frame in the separate debug info
+ file - such .eh_frame would not be found if SYMFILE_OBJFILE would refer
+ directly to the separate debug info file. */
+
+ exec_filename = build_id_to_filename (build_id, &build_id_filename, 0);
+ back_to = make_cleanup (xfree, build_id_filename);
+
+ if (exec_filename != NULL)
+ {
+ make_cleanup (xfree, exec_filename);
+ exec_file_attach (exec_filename, from_tty);
+ symbol_file_add_main (exec_filename, from_tty);
+ if (symfile_objfile != NULL)
+ symfile_objfile->flags |= OBJF_BUILD_ID_CORE_LOADED;
+ }
+ else
+ debug_print_missing (BUILD_ID_MAIN_EXECUTABLE_FILENAME, build_id_filename);
+
+ do_cleanups (back_to);
+
+ /* No automatic SOLIB_ADD as the libraries would get read twice. */
+}
+
/* This routine opens and sets up the core file bfd. */
static void
@@ -379,6 +427,12 @@ core_open (char *filename, int from_tty)
push_target (&core_ops);
discard_cleanups (old_chain);
+ /* Find the build_id identifiers. If it gets executed after
+ POST_CREATE_INFERIOR we would clash with asking to discard the already
+ loaded VDSO symbols. */
+ if (build_id_core_loads != 0)
+ build_id_locate_exec (from_tty);
+
/* Do this before acknowledging the inferior, so if
post_create_inferior throws (can happen easilly if you're loading
a core file with the wrong exec), we aren't left with threads
@@ -932,4 +986,11 @@ _initialize_corelow (void)
init_core_ops ();
add_target (&core_ops);
+
+ add_setshow_boolean_cmd ("build-id-core-loads", class_files,
+ &build_id_core_loads, _("\
+Set whether CORE-FILE loads the build-id associated files automatically."), _("\
+Show whether CORE-FILE loads the build-id associated files automatically.."),
+ NULL, NULL, NULL,
+ &setlist, &showlist);
}
diff -rup gdb-7.4ori//gdb/doc/gdb.texinfo gdb-7.4/gdb/doc/gdb.texinfo
--- gdb-7.4ori//gdb/doc/gdb.texinfo 2012-01-06 05:43:35.000000000 +0100
+++ gdb-7.4/gdb/doc/gdb.texinfo 2012-05-10 11:10:37.455644929 +0200
@@ -15872,6 +15872,27 @@ information files.
@end table
+You can also adjust the current verbosity of the @dfn{build id} locating.
+
+@table @code
+
+@kindex set build-id-verbose
+@item set build-id-verbose 0
+No additional messages are printed.
+
+@item set build-id-verbose 1
+Missing separate debug filenames are printed.
+
+@item set build-id-verbose 2
+Missing separate debug filenames are printed and also all the parsing of the
+binaries to find their @dfn{build id} content is printed.
+
+@kindex show build-id-verbose
+@item show build-id-verbose
+Show the current verbosity value for the @dfn{build id} content locating.
+
+@end table
+
@cindex @code{.gnu_debuglink} sections
@cindex debug link sections
A debug link is a special section of the executable file named
diff -rup gdb-7.4ori//gdb/elfread.c gdb-7.4/gdb/elfread.c
--- gdb-7.4ori//gdb/elfread.c 2012-01-06 05:43:11.000000000 +0100
+++ gdb-7.4/gdb/elfread.c 2012-05-10 11:27:18.443643345 +0200
@@ -41,6 +41,12 @@
#include "infcall.h"
#include "gdbthread.h"
#include "regcache.h"
+#include "libbfd.h"
+#include "gdbcore.h"
+#include "gdbcmd.h"
+#include "observer.h"
+#include "elf/external.h"
+#include <sys/stat.h>
extern void _initialize_elfread (void);
@@ -1042,16 +1048,65 @@ elf_gnu_ifunc_resolver_return_stop (stru
update_breakpoint_locations (b, sals, sals_end);
}
+#define BUILD_ID_VERBOSE_NONE 0
+#define BUILD_ID_VERBOSE_FILENAMES 1
+#define BUILD_ID_VERBOSE_BINARY_PARSE 2
+static int build_id_verbose = BUILD_ID_VERBOSE_FILENAMES;
+static void
+show_build_id_verbose (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Verbosity level of the build-id locator is %s.\n"),
+ value);
+}
+
struct build_id
{
size_t size;
gdb_byte data[1];
};
-/* Locate NT_GNU_BUILD_ID from ABFD and return its content. */
+/* Locate NT_GNU_BUILD_ID and return its matching debug filename.
+ FIXME: NOTE decoding should be unified with the BFD core notes decoding. */
+
+struct build_id *
+build_id_buf_get (bfd *templ, gdb_byte *buf, bfd_size_type size)
+{
+ bfd_byte *p;
+
+ p = buf;
+ while (p < buf + size)
+ {
+ /* FIXME: bad alignment assumption. */
+ Elf_External_Note *xnp = (Elf_External_Note *) p;
+ size_t namesz = H_GET_32 (templ, xnp->namesz);
+ size_t descsz = H_GET_32 (templ, xnp->descsz);
+ bfd_byte *descdata = xnp->name + BFD_ALIGN (namesz, 4);
+
+ if (H_GET_32 (templ, xnp->type) == NT_GNU_BUILD_ID
+ && namesz == sizeof "GNU"
+ && memcmp (xnp->name, "GNU", sizeof "GNU") == 0)
+ {
+ size_t size = descsz;
+ gdb_byte *data = (void *) descdata;
+ struct build_id *retval;
+
+ retval = xmalloc (sizeof *retval - 1 + size);
+ retval->size = size;
+ memcpy (retval->data, data, size);
+
+ return retval;
+ }
+ p = descdata + BFD_ALIGN (descsz, 4);
+ }
+ return NULL;
+}
+
+/* Separate debuginfo files have corrupted PHDR but SHDR is correct there.
+ Locate NT_GNU_BUILD_ID from ABFD and return its content. */
static struct build_id *
-build_id_bfd_get (bfd *abfd)
+build_id_bfd_shdr_get (bfd *abfd)
{
struct build_id *retval;
@@ -1067,6 +1122,348 @@ build_id_bfd_get (bfd *abfd)
return retval;
}
+/* Core files may have missing (corrupt) SHDR but PDHR is correct there.
+ bfd_elf_bfd_from_remote_memory () has too much overhead by
+ allocating/reading all the available ELF PT_LOADs. */
+
+static struct build_id *
+build_id_phdr_get (bfd *templ, bfd_vma loadbase, unsigned e_phnum,
+ Elf_Internal_Phdr *i_phdr)
+{
+ int i;
+ struct build_id *retval = NULL;
+
+ for (i = 0; i < e_phnum; i++)
+ if (i_phdr[i].p_type == PT_NOTE && i_phdr[i].p_filesz > 0)
+ {
+ Elf_Internal_Phdr *hdr = &i_phdr[i];
+ gdb_byte *buf;
+ int err;
+
+ buf = xmalloc (hdr->p_filesz);
+ err = target_read_memory (loadbase + i_phdr[i].p_vaddr, buf,
+ hdr->p_filesz);
+ if (err == 0)
+ retval = build_id_buf_get (templ, buf, hdr->p_filesz);
+ else
+ retval = NULL;
+ xfree (buf);
+ if (retval != NULL)
+ break;
+ }
+ return retval;
+}
+
+/* First we validate the file by reading in the ELF header and checking
+ the magic number. */
+
+static inline bfd_boolean
+elf_file_p (Elf64_External_Ehdr *x_ehdrp64)
+{
+ gdb_assert (sizeof (Elf64_External_Ehdr) >= sizeof (Elf32_External_Ehdr));
+ gdb_assert (offsetof (Elf64_External_Ehdr, e_ident)
+ == offsetof (Elf32_External_Ehdr, e_ident));
+ gdb_assert (sizeof (((Elf64_External_Ehdr *) 0)->e_ident)
+ == sizeof (((Elf32_External_Ehdr *) 0)->e_ident));
+
+ return ((x_ehdrp64->e_ident[EI_MAG0] == ELFMAG0)
+ && (x_ehdrp64->e_ident[EI_MAG1] == ELFMAG1)
+ && (x_ehdrp64->e_ident[EI_MAG2] == ELFMAG2)
+ && (x_ehdrp64->e_ident[EI_MAG3] == ELFMAG3));
+}
+
+/* Translate an ELF file header in external format into an ELF file header in
+ internal format. */
+
+#define H_GET_WORD(bfd, ptr) (is64 ? H_GET_64 (bfd, (ptr)) \
+ : H_GET_32 (bfd, (ptr)))
+#define H_GET_SIGNED_WORD(bfd, ptr) (is64 ? H_GET_S64 (bfd, (ptr)) \
+ : H_GET_S32 (bfd, (ptr)))
+
+static void
+elf_swap_ehdr_in (bfd *abfd,
+ const Elf64_External_Ehdr *src64,
+ Elf_Internal_Ehdr *dst)
+{
+ int is64 = bfd_get_arch_size (abfd) == 64;
+#define SRC(field) (is64 ? src64->field \
+ : ((const Elf32_External_Ehdr *) src64)->field)
+
+ int signed_vma = get_elf_backend_data (abfd)->sign_extend_vma;
+ memcpy (dst->e_ident, SRC (e_ident), EI_NIDENT);
+ dst->e_type = H_GET_16 (abfd, SRC (e_type));
+ dst->e_machine = H_GET_16 (abfd, SRC (e_machine));
+ dst->e_version = H_GET_32 (abfd, SRC (e_version));
+ if (signed_vma)
+ dst->e_entry = H_GET_SIGNED_WORD (abfd, SRC (e_entry));
+ else
+ dst->e_entry = H_GET_WORD (abfd, SRC (e_entry));
+ dst->e_phoff = H_GET_WORD (abfd, SRC (e_phoff));
+ dst->e_shoff = H_GET_WORD (abfd, SRC (e_shoff));
+ dst->e_flags = H_GET_32 (abfd, SRC (e_flags));
+ dst->e_ehsize = H_GET_16 (abfd, SRC (e_ehsize));
+ dst->e_phentsize = H_GET_16 (abfd, SRC (e_phentsize));
+ dst->e_phnum = H_GET_16 (abfd, SRC (e_phnum));
+ dst->e_shentsize = H_GET_16 (abfd, SRC (e_shentsize));
+ dst->e_shnum = H_GET_16 (abfd, SRC (e_shnum));
+ dst->e_shstrndx = H_GET_16 (abfd, SRC (e_shstrndx));
+
+#undef SRC
+}
+
+/* Translate an ELF program header table entry in external format into an
+ ELF program header table entry in internal format. */
+
+void
+elf_swap_phdr_in (bfd *abfd,
+ const Elf64_External_Phdr *src64,
+ Elf_Internal_Phdr *dst)
+{
+ int is64 = bfd_get_arch_size (abfd) == 64;
+#define SRC(field) (is64 ? src64->field \
+ : ((const Elf32_External_Phdr *) src64)->field)
+
+ int signed_vma = get_elf_backend_data (abfd)->sign_extend_vma;
+
+ dst->p_type = H_GET_32 (abfd, SRC (p_type));
+ dst->p_flags = H_GET_32 (abfd, SRC (p_flags));
+ dst->p_offset = H_GET_WORD (abfd, SRC (p_offset));
+ if (signed_vma)
+ {
+ dst->p_vaddr = H_GET_SIGNED_WORD (abfd, SRC (p_vaddr));
+ dst->p_paddr = H_GET_SIGNED_WORD (abfd, SRC (p_paddr));
+ }
+ else
+ {
+ dst->p_vaddr = H_GET_WORD (abfd, SRC (p_vaddr));
+ dst->p_paddr = H_GET_WORD (abfd, SRC (p_paddr));
+ }
+ dst->p_filesz = H_GET_WORD (abfd, SRC (p_filesz));
+ dst->p_memsz = H_GET_WORD (abfd, SRC (p_memsz));
+ dst->p_align = H_GET_WORD (abfd, SRC (p_align));
+
+#undef SRC
+}
+
+#undef H_GET_SIGNED_WORD
+#undef H_GET_WORD
+
+static Elf_Internal_Phdr *
+elf_get_phdr (bfd *templ, bfd_vma ehdr_vma, unsigned *e_phnum_pointer,
+ bfd_vma *loadbase_pointer)
+{
+ /* sizeof (Elf64_External_Ehdr) >= sizeof (Elf32_External_Ehdr) */
+ Elf64_External_Ehdr x_ehdr64; /* Elf file header, external form */
+ Elf_Internal_Ehdr i_ehdr; /* Elf file header, internal form */
+ bfd_size_type x_phdrs_size;
+ gdb_byte *x_phdrs_ptr;
+ Elf_Internal_Phdr *i_phdrs;
+ int err;
+ unsigned int i;
+ bfd_vma loadbase;
+ int loadbase_set;
+
+ gdb_assert (templ != NULL);
+ gdb_assert (sizeof (Elf64_External_Ehdr) >= sizeof (Elf32_External_Ehdr));
+
+ /* Read in the ELF header in external format. */
+ err = target_read_memory (ehdr_vma, (bfd_byte *) &x_ehdr64, sizeof x_ehdr64);
+ if (err)
+ {
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Error reading ELF header at address 0x%lx"),
+ (unsigned long) ehdr_vma);
+ return NULL;
+ }
+
+ /* Now check to see if we have a valid ELF file, and one that BFD can
+ make use of. The magic number must match, the address size ('class')
+ and byte-swapping must match our XVEC entry. */
+
+ if (! elf_file_p (&x_ehdr64)
+ || x_ehdr64.e_ident[EI_VERSION] != EV_CURRENT
+ || !((bfd_get_arch_size (templ) == 64
+ && x_ehdr64.e_ident[EI_CLASS] == ELFCLASS64)
+ || (bfd_get_arch_size (templ) == 32
+ && x_ehdr64.e_ident[EI_CLASS] == ELFCLASS32)))
+ {
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Unrecognized ELF header at address 0x%lx"),
+ (unsigned long) ehdr_vma);
+ return NULL;
+ }
+
+ /* Check that file's byte order matches xvec's */
+ switch (x_ehdr64.e_ident[EI_DATA])
+ {
+ case ELFDATA2MSB: /* Big-endian */
+ if (! bfd_header_big_endian (templ))
+ {
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Unrecognized "
+ "big-endian ELF header at address 0x%lx"),
+ (unsigned long) ehdr_vma);
+ return NULL;
+ }
+ break;
+ case ELFDATA2LSB: /* Little-endian */
+ if (! bfd_header_little_endian (templ))
+ {
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Unrecognized "
+ "little-endian ELF header at address 0x%lx"),
+ (unsigned long) ehdr_vma);
+ return NULL;
+ }
+ break;
+ case ELFDATANONE: /* No data encoding specified */
+ default: /* Unknown data encoding specified */
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Unrecognized "
+ "ELF header endianity at address 0x%lx"),
+ (unsigned long) ehdr_vma);
+ return NULL;
+ }
+
+ elf_swap_ehdr_in (templ, &x_ehdr64, &i_ehdr);
+
+ /* The file header tells where to find the program headers.
+ These are what we use to actually choose what to read. */
+
+ if (i_ehdr.e_phentsize != (bfd_get_arch_size (templ) == 64
+ ? sizeof (Elf64_External_Phdr)
+ : sizeof (Elf32_External_Phdr))
+ || i_ehdr.e_phnum == 0)
+ {
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Invalid ELF program headers from the ELF header "
+ "at address 0x%lx"), (unsigned long) ehdr_vma);
+ return NULL;
+ }
+
+ x_phdrs_size = (bfd_get_arch_size (templ) == 64 ? sizeof (Elf64_External_Phdr)
+ : sizeof (Elf32_External_Phdr));
+
+ i_phdrs = xmalloc (i_ehdr.e_phnum * (sizeof *i_phdrs + x_phdrs_size));
+ x_phdrs_ptr = (void *) &i_phdrs[i_ehdr.e_phnum];
+ err = target_read_memory (ehdr_vma + i_ehdr.e_phoff, (bfd_byte *) x_phdrs_ptr,
+ i_ehdr.e_phnum * x_phdrs_size);
+ if (err)
+ {
+ free (i_phdrs);
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Error reading "
+ "ELF program headers at address 0x%lx"),
+ (unsigned long) (ehdr_vma + i_ehdr.e_phoff));
+ return NULL;
+ }
+
+ loadbase = ehdr_vma;
+ loadbase_set = 0;
+ for (i = 0; i < i_ehdr.e_phnum; ++i)
+ {
+ elf_swap_phdr_in (templ, (Elf64_External_Phdr *)
+ (x_phdrs_ptr + i * x_phdrs_size), &i_phdrs[i]);
+ /* IA-64 vDSO may have two mappings for one segment, where one mapping
+ is executable only, and one is read only. We must not use the
+ executable one (PF_R is the first one, PF_X the second one). */
+ if (i_phdrs[i].p_type == PT_LOAD && (i_phdrs[i].p_flags & PF_R))
+ {
+ /* Only the first PT_LOAD segment indicates the file bias.
+ Next segments may have P_VADDR arbitrarily higher.
+ If the first segment has P_VADDR zero any next segment must not
+ confuse us, the first one sets LOADBASE certainly enough. */
+ if (!loadbase_set && i_phdrs[i].p_offset == 0)
+ {
+ loadbase = ehdr_vma - i_phdrs[i].p_vaddr;
+ loadbase_set = 1;
+ }
+ }
+ }
+
+ if (build_id_verbose >= BUILD_ID_VERBOSE_BINARY_PARSE)
+ warning (_("build-id: Found ELF header at address 0x%lx, loadbase 0x%lx"),
+ (unsigned long) ehdr_vma, (unsigned long) loadbase);
+
+ *e_phnum_pointer = i_ehdr.e_phnum;
+ *loadbase_pointer = loadbase;
+ return i_phdrs;
+}
+
+/* BUILD_ID_ADDR_GET gets ADDR located somewhere in the object.
+ Find the first section before ADDR containing an ELF header.
+ We rely on the fact the sections from multiple files do not mix.
+ FIXME: We should check ADDR is contained _inside_ the section with possibly
+ missing content (P_FILESZ < P_MEMSZ). These omitted sections are currently
+ hidden by _BFD_ELF_MAKE_SECTION_FROM_PHDR. */
+
+static CORE_ADDR build_id_addr;
+struct build_id_addr_sect
+ {
+ struct build_id_addr_sect *next;
+ asection *sect;
+ };
+static struct build_id_addr_sect *build_id_addr_sect;
+
+static void build_id_addr_candidate (bfd *abfd, asection *sect, void *obj)
+{
+ if (build_id_addr >= bfd_section_vma (abfd, sect))
+ {
+ struct build_id_addr_sect *candidate;
+
+ candidate = xmalloc (sizeof *candidate);
+ candidate->next = build_id_addr_sect;
+ build_id_addr_sect = candidate;
+ candidate->sect = sect;
+ }
+}
+
+struct build_id *
+build_id_addr_get (CORE_ADDR addr)
+{
+ struct build_id_addr_sect *candidate;
+ struct build_id *retval = NULL;
+ Elf_Internal_Phdr *i_phdr = NULL;
+ bfd_vma loadbase = 0;
+ unsigned e_phnum = 0;
+
+ if (core_bfd == NULL)
+ return NULL;
+
+ build_id_addr = addr;
+ gdb_assert (build_id_addr_sect == NULL);
+ bfd_map_over_sections (core_bfd, build_id_addr_candidate, NULL);
+
+ /* Sections are sorted in the high-to-low VMAs order.
+ Stop the search on the first ELF header we find.
+ Do not continue the search even if it does not contain NT_GNU_BUILD_ID. */
+
+ for (candidate = build_id_addr_sect; candidate != NULL;
+ candidate = candidate->next)
+ {
+ i_phdr = elf_get_phdr (core_bfd,
+ bfd_section_vma (core_bfd, candidate->sect),
+ &e_phnum, &loadbase);
+ if (i_phdr != NULL)
+ break;
+ }
+
+ if (i_phdr != NULL)
+ {
+ retval = build_id_phdr_get (core_bfd, loadbase, e_phnum, i_phdr);
+ xfree (i_phdr);
+ }
+
+ while (build_id_addr_sect != NULL)
+ {
+ candidate = build_id_addr_sect;
+ build_id_addr_sect = candidate->next;
+ xfree (candidate);
+ }
+
+ return retval;
+}
+
/* Return if FILENAME has NT_GNU_BUILD_ID matching the CHECK value. */
static int
@@ -1081,7 +1478,7 @@ build_id_verify (const char *filename, s
if (abfd == NULL)
return 0;
- found = build_id_bfd_get (abfd);
+ found = build_id_bfd_shdr_get (abfd);
if (found == NULL)
warning (_("File \"%s\" has no build-id, file skipped"), filename);
@@ -1099,14 +1496,15 @@ build_id_verify (const char *filename, s
return retval;
}
-static char *
-build_id_to_debug_filename (struct build_id *build_id)
+char *
+build_id_to_filename (struct build_id *build_id, char **link_return,
+ int add_debug_suffix)
{
char *link, *debugdir, *retval = NULL;
+ char *link_all = NULL;
/* DEBUG_FILE_DIRECTORY/.build-id/ab/cdef */
- link = alloca (strlen (debug_file_directory) + (sizeof "/.build-id/" - 1) + 1
- + 2 * build_id->size + (sizeof ".debug" - 1) + 1);
+ link = xmalloc (strlen (debug_file_directory) + 2 * build_id->size + 50);
/* Keep backward compatibility so that DEBUG_FILE_DIRECTORY being "" will
cause "/.build-id/..." lookups. */
@@ -1117,6 +1515,8 @@ build_id_to_debug_filename (struct build
char *s, *debugdir_end;
gdb_byte *data = build_id->data;
size_t size = build_id->size;
+ unsigned seqno;
+ struct stat statbuf_trash;
while (*debugdir == DIRNAME_SEPARATOR)
debugdir++;
@@ -1137,39 +1537,637 @@ build_id_to_debug_filename (struct build
*s++ = '/';
while (size-- > 0)
s += sprintf (s, "%02x", (unsigned) *data++);
- strcpy (s, ".debug");
-
- /* lrealpath() is expensive even for the usually non-existent files. */
- if (access (link, F_OK) == 0)
- retval = lrealpath (link);
- if (retval != NULL && !build_id_verify (retval, build_id))
+ for (seqno = 0;; seqno++)
{
- xfree (retval);
- retval = NULL;
+ char *s2;
+
+ if (seqno)
+ {
+ /* There can be multiple build-id symlinks pointing to real files
+ with the same build-id (such as hard links). Some of the real
+ files may not be installed. */
+
+ s2 = s + sprintf (s, ".%u", seqno);
+ }
+ else
+ s2 = s;
+
+ if (add_debug_suffix)
+ strcpy (s2, ".debug");
+ else
+ *s2 = 0;
+
+ /* `access' automatically dereferences LINK. */
+ if (lstat (link, &statbuf_trash) != 0)
+ {
+ /* Stop increasing SEQNO. */
+ break;
+ }
+
+ retval = lrealpath (link);
+
+ if (retval != NULL && !build_id_verify (retval, build_id))
+ {
+ xfree (retval);
+ retval = NULL;
+ }
+
+ if (retval)
+ break;
}
if (retval != NULL)
- break;
+ {
+ /* LINK_ALL is not used below in this non-NULL RETVAL case. */
+ break;
+ }
+
+ if (link_all == NULL)
+ link_all = xstrdup (link);
+ else
+ {
+ size_t len_orig = strlen (link_all);
+
+ link_all = xrealloc (link_all, len_orig + 1 + strlen (link) + 1);
+
+ /* Use whitespace instead of DIRNAME_SEPARATOR to be compatible with
+ its possible use as an argument for installation command. */
+ link_all[len_orig] = ' ';
+
+ strcpy (&link_all[len_orig + 1], link);
+ }
debugdir = debugdir_end;
}
while (*debugdir != 0);
+ if (link_return != NULL)
+ {
+ if (retval != NULL)
+ {
+ *link_return = link;
+ link = NULL;
+ }
+ else
+ {
+ *link_return = link_all;
+ link_all = NULL;
+ }
+ }
+ xfree (link);
+ xfree (link_all);
+
+ return retval;
+}
+
+#ifdef HAVE_LIBRPM
+
+#include <rpm/rpmlib.h>
+#include <rpm/rpmts.h>
+#include <rpm/rpmdb.h>
+#include <rpm/header.h>
+#ifdef DLOPEN_LIBRPM
+#include <dlfcn.h>
+#endif
+
+/* Workarodun https://bugzilla.redhat.com/show_bug.cgi?id=643031
+ librpm must not exit() an application on SIGINT
+
+ Enable or disable a signal handler. SIGNUM: signal to enable (or disable
+ if negative). HANDLER: sa_sigaction handler (or NULL to use
+ rpmsqHandler()). Returns: no. of refs, -1 on error. */
+int
+rpmsqEnable (int signum, /* rpmsqAction_t handler */ void *handler)
+{
+ return 0;
+}
+
+/* This MISSING_RPM_HASH tracker is used to collect all the missing rpm files
+ and avoid their duplicities during a single inferior run. */
+
+static struct htab *missing_rpm_hash;
+
+/* This MISSING_RPM_LIST tracker is used to collect and print as a single line
+ all the rpms right before the nearest GDB prompt. It gets cleared after
+ each such print (it is questionable if we should clear it after the print).
+ */
+
+struct missing_rpm
+ {
+ struct missing_rpm *next;
+ char rpm[1];
+ };
+static struct missing_rpm *missing_rpm_list;
+static int missing_rpm_list_entries;
+
+/* Returns the count of newly added rpms. */
+
+static int
+missing_rpm_enlist (const char *filename)
+{
+ static int rpm_init_done = 0;
+ rpmts ts;
+ rpmdbMatchIterator mi;
+ int count = 0;
+
+#ifdef DLOPEN_LIBRPM
+ /* Duplicate here the declarations to verify they match. The same sanity
+ check is present also in `configure.ac'. */
+ extern char * headerFormat(Header h, const char * fmt, errmsg_t * errmsg);
+ static char *(*headerFormat_p) (Header h, const char * fmt, errmsg_t *errmsg);
+ extern int rpmReadConfigFiles(const char * file, const char * target);
+ static int (*rpmReadConfigFiles_p) (const char * file, const char * target);
+ extern rpmdbMatchIterator rpmdbFreeIterator(rpmdbMatchIterator mi);
+ static rpmdbMatchIterator (*rpmdbFreeIterator_p) (rpmdbMatchIterator mi);
+ extern Header rpmdbNextIterator(rpmdbMatchIterator mi);
+ static Header (*rpmdbNextIterator_p) (rpmdbMatchIterator mi);
+ extern rpmts rpmtsCreate(void);
+ static rpmts (*rpmtsCreate_p) (void);
+ extern rpmts rpmtsFree(rpmts ts);
+ static rpmts (*rpmtsFree_p) (rpmts ts);
+ extern rpmdbMatchIterator rpmtsInitIterator(const rpmts ts, rpmTag rpmtag,
+ const void * keyp, size_t keylen);
+ static rpmdbMatchIterator (*rpmtsInitIterator_p) (const rpmts ts,
+ rpmTag rpmtag,
+ const void *keyp,
+ size_t keylen);
+#else /* !DLOPEN_LIBRPM */
+# define headerFormat_p headerFormat
+# define rpmReadConfigFiles_p rpmReadConfigFiles
+# define rpmdbFreeIterator_p rpmdbFreeIterator
+# define rpmdbNextIterator_p rpmdbNextIterator
+# define rpmtsCreate_p rpmtsCreate
+# define rpmtsFree_p rpmtsFree
+# define rpmtsInitIterator_p rpmtsInitIterator
+#endif /* !DLOPEN_LIBRPM */
+
+ gdb_assert (filename != NULL);
+
+ if (strcmp (filename, BUILD_ID_MAIN_EXECUTABLE_FILENAME) == 0)
+ return 0;
+
+ if (filename[0] != '/')
+ {
+ warning (_("Ignoring non-absolute filename: <%s>"), filename);
+ return 0;
+ }
+
+ if (!rpm_init_done)
+ {
+ static int init_tried;
+
+ /* Already failed the initialization before? */
+ if (init_tried)
+ return 0;
+ init_tried = 1;
+
+#ifdef DLOPEN_LIBRPM
+ {
+ void *h;
+
+ h = dlopen (DLOPEN_LIBRPM, RTLD_LAZY);
+ if (!h)
+ {
+ warning (_("Unable to open \"%s\" (%s), "
+ "missing debuginfos notifications will not be displayed"),
+ DLOPEN_LIBRPM, dlerror ());
+ return 0;
+ }
+
+ if (!((headerFormat_p = dlsym (h, "headerFormat"))
+ && (rpmReadConfigFiles_p = dlsym (h, "rpmReadConfigFiles"))
+ && (rpmdbFreeIterator_p = dlsym (h, "rpmdbFreeIterator"))
+ && (rpmdbNextIterator_p = dlsym (h, "rpmdbNextIterator"))
+ && (rpmtsCreate_p = dlsym (h, "rpmtsCreate"))
+ && (rpmtsFree_p = dlsym (h, "rpmtsFree"))
+ && (rpmtsInitIterator_p = dlsym (h, "rpmtsInitIterator"))))
+ {
+ warning (_("Opened library \"%s\" is incompatible (%s), "
+ "missing debuginfos notifications will not be displayed"),
+ DLOPEN_LIBRPM, dlerror ());
+ if (dlclose (h))
+ warning (_("Error closing library \"%s\": %s\n"), DLOPEN_LIBRPM,
+ dlerror ());
+ return 0;
+ }
+ }
+#endif /* DLOPEN_LIBRPM */
+
+ if (rpmReadConfigFiles_p (NULL, NULL) != 0)
+ {
+ warning (_("Error reading the rpm configuration files"));
+ return 0;
+ }
+
+ rpm_init_done = 1;
+ }
+
+ ts = rpmtsCreate_p ();
+
+ mi = rpmtsInitIterator_p (ts, RPMTAG_BASENAMES, filename, 0);
+ if (mi != NULL)
+ {
+ for (;;)
+ {
+ Header h;
+ char *debuginfo, **slot, *s, *s2;
+ errmsg_t err;
+ size_t srcrpmlen = sizeof (".src.rpm") - 1;
+ size_t debuginfolen = sizeof ("-debuginfo") - 1;
+ rpmdbMatchIterator mi_debuginfo;
+
+ h = rpmdbNextIterator_p (mi);
+ if (h == NULL)
+ break;
+
+ /* Verify the debuginfo file is not already installed. */
+
+ debuginfo = headerFormat_p (h, "%{sourcerpm}-debuginfo.%{arch}",
+ &err);
+ if (!debuginfo)
+ {
+ warning (_("Error querying the rpm file `%s': %s"), filename,
+ err);
+ continue;
+ }
+ /* s = `.src.rpm-debuginfo.%{arch}' */
+ s = strrchr (debuginfo, '-') - srcrpmlen;
+ s2 = NULL;
+ if (s > debuginfo && memcmp (s, ".src.rpm", srcrpmlen) == 0)
+ {
+ /* s2 = `-%{release}.src.rpm-debuginfo.%{arch}' */
+ s2 = memrchr (debuginfo, '-', s - debuginfo);
+ }
+ if (s2)
+ {
+ /* s2 = `-%{version}-%{release}.src.rpm-debuginfo.%{arch}' */
+ s2 = memrchr (debuginfo, '-', s2 - debuginfo);
+ }
+ if (!s2)
+ {
+ warning (_("Error querying the rpm file `%s': %s"), filename,
+ debuginfo);
+ xfree (debuginfo);
+ continue;
+ }
+ /* s = `.src.rpm-debuginfo.%{arch}' */
+ /* s2 = `-%{version}-%{release}.src.rpm-debuginfo.%{arch}' */
+ memmove (s2 + debuginfolen, s2, s - s2);
+ memcpy (s2, "-debuginfo", debuginfolen);
+ /* s = `XXXX.%{arch}' */
+ /* strlen ("XXXX") == srcrpmlen + debuginfolen */
+ /* s2 = `-debuginfo-%{version}-%{release}XX.%{arch}' */
+ /* strlen ("XX") == srcrpmlen */
+ memmove (s + debuginfolen, s + srcrpmlen + debuginfolen,
+ strlen (s + srcrpmlen + debuginfolen) + 1);
+ /* s = `-debuginfo-%{version}-%{release}.%{arch}' */
+
+ /* RPMDBI_PACKAGES requires keylen == sizeof (int). */
+ /* RPMDBI_LABEL is an interface for NVR-based dbiFindByLabel(). */
+ mi_debuginfo = rpmtsInitIterator_p (ts, RPMDBI_LABEL, debuginfo, 0);
+ xfree (debuginfo);
+ if (mi_debuginfo)
+ {
+ rpmdbFreeIterator_p (mi_debuginfo);
+ count = 0;
+ break;
+ }
+
+ /* The allocated memory gets utilized below for MISSING_RPM_HASH. */
+ debuginfo = headerFormat_p (h,
+ "%{name}-%{version}-%{release}.%{arch}",
+ &err);
+ if (!debuginfo)
+ {
+ warning (_("Error querying the rpm file `%s': %s"), filename,
+ err);
+ continue;
+ }
+
+ /* Base package name for `debuginfo-install'. We do not use the
+ `yum' command directly as the line
+ yum --disablerepo='*' --enablerepo='*-debug*' \
+ install NAME-debuginfo.ARCH
+ would be more complicated than just:
+ debuginfo-install NAME-VERSION-RELEASE.ARCH
+ Do not supply the rpm base name (derived from .src.rpm name) as
+ debuginfo-install is unable to install the debuginfo package if
+ the base name PKG binary rpm is not installed while for example
+ PKG-libs would be installed (RH Bug 467901).
+ FUTURE: After multiple debuginfo versions simultaneously installed
+ get supported the support for the VERSION-RELEASE tags handling
+ may need an update. */
+
+ if (missing_rpm_hash == NULL)
+ {
+ /* DEL_F is passed NULL as MISSING_RPM_LIST's HTAB_DELETE
+ should not deallocate the entries. */
+
+ missing_rpm_hash = htab_create_alloc (64, htab_hash_string,
+ (int (*) (const void *, const void *)) streq,
+ NULL, xcalloc, xfree);
+ }
+ slot = (char **) htab_find_slot (missing_rpm_hash, debuginfo, INSERT);
+ /* XCALLOC never returns NULL. */
+ gdb_assert (slot != NULL);
+ if (*slot == NULL)
+ {
+ struct missing_rpm *missing_rpm;
+
+ *slot = debuginfo;
+
+ missing_rpm = xmalloc (sizeof (*missing_rpm) + strlen (debuginfo));
+ strcpy (missing_rpm->rpm, debuginfo);
+ missing_rpm->next = missing_rpm_list;
+ missing_rpm_list = missing_rpm;
+ missing_rpm_list_entries++;
+ }
+ else
+ xfree (debuginfo);
+ count++;
+ }
+
+ rpmdbFreeIterator_p (mi);
+ }
+
+ rpmtsFree_p (ts);
+
+ return count;
+}
+
+static int
+missing_rpm_list_compar (const char *const *ap, const char *const *bp)
+{
+ return strcoll (*ap, *bp);
+}
+
+/* It returns a NULL-terminated array of strings needing to be FREEd. It may
+ also return only NULL. */
+
+static void
+missing_rpm_list_print (void)
+{
+ char **array, **array_iter;
+ struct missing_rpm *list_iter;
+ struct cleanup *cleanups;
+
+ if (missing_rpm_list_entries == 0)
+ return;
+
+ array = xmalloc (sizeof (*array) * missing_rpm_list_entries);
+ cleanups = make_cleanup (xfree, array);
+
+ array_iter = array;
+ for (list_iter = missing_rpm_list; list_iter != NULL;
+ list_iter = list_iter->next)
+ {
+ *array_iter++ = list_iter->rpm;
+ }
+ gdb_assert (array_iter == array + missing_rpm_list_entries);
+
+ qsort (array, missing_rpm_list_entries, sizeof (*array),
+ (int (*) (const void *, const void *)) missing_rpm_list_compar);
+
+ printf_unfiltered (_("Missing separate debuginfos, use: %s"),
+ "debuginfo-install");
+ for (array_iter = array; array_iter < array + missing_rpm_list_entries;
+ array_iter++)
+ {
+ putchar_unfiltered (' ');
+ puts_unfiltered (*array_iter);
+ }
+ putchar_unfiltered ('\n');
+
+ while (missing_rpm_list != NULL)
+ {
+ list_iter = missing_rpm_list;
+ missing_rpm_list = list_iter->next;
+ xfree (list_iter);
+ }
+ missing_rpm_list_entries = 0;
+
+ do_cleanups (cleanups);
+}
+
+static void
+missing_rpm_change (void)
+{
+ debug_flush_missing ();
+
+ gdb_assert (missing_rpm_list == NULL);
+ if (missing_rpm_hash != NULL)
+ {
+ htab_delete (missing_rpm_hash);
+ missing_rpm_hash = NULL;
+ }
+}
+
+enum missing_exec
+ {
+ /* Init state. EXEC_BFD also still could be NULL. */
+ MISSING_EXEC_NOT_TRIED,
+ /* We saw a non-NULL EXEC_BFD but RPM has no info about it. */
+ MISSING_EXEC_NOT_FOUND,
+ /* We found EXEC_BFD by RPM and we either have its symbols (either embedded
+ or separate) or the main executable's RPM is now contained in
+ MISSING_RPM_HASH. */
+ MISSING_EXEC_ENLISTED
+ };
+static enum missing_exec missing_exec = MISSING_EXEC_NOT_TRIED;
+
+#endif /* HAVE_LIBRPM */
+
+void
+debug_flush_missing (void)
+{
+#ifdef HAVE_LIBRPM
+ missing_rpm_list_print ();
+#endif
+}
+
+/* This MISSING_FILEPAIR_HASH tracker is used only for the duplicite messages
+ yum --disablerepo='*' --enablerepo='*-debug*' install ...
+ avoidance. */
+
+struct missing_filepair
+ {
+ char *binary;
+ char *debug;
+ char data[1];
+ };
+
+static struct htab *missing_filepair_hash;
+static struct obstack missing_filepair_obstack;
+
+static void *
+missing_filepair_xcalloc (size_t nmemb, size_t nmemb_size)
+{
+ void *retval;
+ size_t size = nmemb * nmemb_size;
+
+ retval = obstack_alloc (&missing_filepair_obstack, size);
+ memset (retval, 0, size);
return retval;
}
+static hashval_t
+missing_filepair_hash_func (const struct missing_filepair *elem)
+{
+ hashval_t retval = 0;
+
+ retval ^= htab_hash_string (elem->binary);
+ if (elem->debug != NULL)
+ retval ^= htab_hash_string (elem->debug);
+
+ return retval;
+}
+
+static int
+missing_filepair_eq (const struct missing_filepair *elem1,
+ const struct missing_filepair *elem2)
+{
+ return strcmp (elem1->binary, elem2->binary) == 0
+ && ((elem1->debug == NULL) == (elem2->debug == NULL))
+ && (elem1->debug == NULL || strcmp (elem1->debug, elem2->debug) == 0);
+}
+
+static void
+missing_filepair_change (void)
+{
+ if (missing_filepair_hash != NULL)
+ {
+ obstack_free (&missing_filepair_obstack, NULL);
+ /* All their memory came just from missing_filepair_OBSTACK. */
+ missing_filepair_hash = NULL;
+ }
+#ifdef HAVE_LIBRPM
+ missing_exec = MISSING_EXEC_NOT_TRIED;
+#endif
+}
+
+static void
+debug_print_executable_changed (void)
+{
+#ifdef HAVE_LIBRPM
+ missing_rpm_change ();
+#endif
+ missing_filepair_change ();
+}
+
+/* Notify user the file BINARY with (possibly NULL) associated separate debug
+ information file DEBUG is missing. DEBUG may or may not be the build-id
+ file such as would be:
+ /usr/lib/debug/.build-id/dd/b1d2ce632721c47bb9e8679f369e2295ce71be.debug
+ */
+
+void
+debug_print_missing (const char *binary, const char *debug)
+{
+ size_t binary_len0 = strlen (binary) + 1;
+ size_t debug_len0 = debug ? strlen (debug) + 1 : 0;
+ struct missing_filepair missing_filepair_find;
+ struct missing_filepair *missing_filepair;
+ struct missing_filepair **slot;
+
+ if (build_id_verbose < BUILD_ID_VERBOSE_FILENAMES)
+ return;
+
+ if (missing_filepair_hash == NULL)
+ {
+ obstack_init (&missing_filepair_obstack);
+ missing_filepair_hash = htab_create_alloc (64,
+ (hashval_t (*) (const void *)) missing_filepair_hash_func,
+ (int (*) (const void *, const void *)) missing_filepair_eq, NULL,
+ missing_filepair_xcalloc, NULL);
+ }
+
+ /* Use MISSING_FILEPAIR_FIND first instead of calling obstack_alloc with
+ obstack_free in the case of a (rare) match. The problem is ALLOC_F for
+ MISSING_FILEPAIR_HASH allocates from MISSING_FILEPAIR_OBSTACK maintenance
+ structures for MISSING_FILEPAIR_HASH. Calling obstack_free would possibly
+ not to free only MISSING_FILEPAIR but also some such structures (allocated
+ during the htab_find_slot call). */
+
+ missing_filepair_find.binary = (char *) binary;
+ missing_filepair_find.debug = (char *) debug;
+ slot = (struct missing_filepair **) htab_find_slot (missing_filepair_hash,
+ &missing_filepair_find,
+ INSERT);
+
+ /* While it may be still printed duplicitely with the missing debuginfo file
+ * it is due to once printing about the binary file build-id link and once
+ * about the .debug file build-id link as both the build-id symlinks are
+ * located in the debuginfo package. */
+
+ if (*slot != NULL)
+ return;
+
+ missing_filepair = obstack_alloc (&missing_filepair_obstack,
+ sizeof (*missing_filepair) - 1
+ + binary_len0 + debug_len0);
+ missing_filepair->binary = missing_filepair->data;
+ memcpy (missing_filepair->binary, binary, binary_len0);
+ if (debug != NULL)
+ {
+ missing_filepair->debug = missing_filepair->binary + binary_len0;
+ memcpy (missing_filepair->debug, debug, debug_len0);
+ }
+ else
+ missing_filepair->debug = NULL;
+
+ *slot = missing_filepair;
+
+#ifdef HAVE_LIBRPM
+ if (missing_exec == MISSING_EXEC_NOT_TRIED)
+ {
+ char *exec_filename;
+
+ exec_filename = get_exec_file (0);
+ if (exec_filename != NULL)
+ {
+ if (missing_rpm_enlist (exec_filename) == 0)
+ missing_exec = MISSING_EXEC_NOT_FOUND;
+ else
+ missing_exec = MISSING_EXEC_ENLISTED;
+ }
+ }
+ if (missing_exec != MISSING_EXEC_ENLISTED)
+ if ((binary[0] == 0 || missing_rpm_enlist (binary) == 0)
+ && (debug == NULL || missing_rpm_enlist (debug) == 0))
+#endif /* HAVE_LIBRPM */
+ {
+ /* We do not collect and flush these messages as each such message
+ already requires its own separate lines. */
+
+ fprintf_unfiltered (gdb_stdlog,
+ _("Missing separate debuginfo for %s\n"), binary);
+ if (debug != NULL)
+ {
+ const char *p = strrchr (debug, '/');
+ fprintf_unfiltered (gdb_stdlog, _("Try: %s%.2s%.38s\"\n"),
+ "zypper install -C \"debuginfo(build-id)=",
+ p - 2, p + 1);
+ }
+ }
+}
+
static char *
-find_separate_debug_file_by_buildid (struct objfile *objfile)
+find_separate_debug_file_by_buildid (struct objfile *objfile,
+ char **build_id_filename_return)
{
struct build_id *build_id;
- build_id = build_id_bfd_get (objfile->obfd);
+ if (build_id_filename_return)
+ *build_id_filename_return = NULL;
+
+ build_id = build_id_bfd_shdr_get (objfile->obfd);
if (build_id != NULL)
{
char *build_id_name;
- build_id_name = build_id_to_debug_filename (build_id);
+ build_id_name = build_id_to_filename (build_id, build_id_filename_return,
+ 1);
xfree (build_id);
/* Prevent looping on a stripped .debug file. */
if (build_id_name != NULL
@@ -1180,7 +2178,7 @@ find_separate_debug_file_by_buildid (str
xfree (build_id_name);
}
else if (build_id_name != NULL)
- return build_id_name;
+ return build_id_name;
}
return NULL;
}
@@ -1400,9 +2398,10 @@ elf_symfile_read (struct objfile *objfil
`.note.gnu.build-id'. */
else if (!objfile_has_partial_symbols (objfile))
{
- char *debugfile;
+ char *debugfile, *build_id_filename;
- debugfile = find_separate_debug_file_by_buildid (objfile);
+ debugfile = find_separate_debug_file_by_buildid (objfile,
+ &build_id_filename);
if (debugfile == NULL)
debugfile = find_separate_debug_file_by_debuglink (objfile);
@@ -1414,6 +2413,12 @@ elf_symfile_read (struct objfile *objfil
symbol_file_add_separate (abfd, symfile_flags, objfile);
xfree (debugfile);
}
+ /* Check if any separate debug info has been extracted out. */
+ else if (bfd_get_section_by_name (objfile->obfd, ".gnu_debuglink")
+ != NULL)
+ debug_print_missing (objfile->name, build_id_filename);
+
+ xfree (build_id_filename);
}
}
@@ -1629,4 +2634,16 @@ _initialize_elfread (void)
elf_objfile_gnu_ifunc_cache_data = register_objfile_data ();
gnu_ifunc_fns_p = &elf_gnu_ifunc_fns;
+
+ add_setshow_zinteger_cmd ("build-id-verbose", no_class, &build_id_verbose,
+ _("\
+Set debugging level of the build-id locator."), _("\
+Show debugging level of the build-id locator."), _("\
+Level 1 (default) enables printing the missing debug filenames,\n\
+level 2 also prints the parsing of binaries to find the identificators."),
+ NULL,
+ show_build_id_verbose,
+ &setlist, &showlist);
+
+ observer_attach_executable_changed (debug_print_executable_changed);
}
diff -rup gdb-7.4ori//gdb/event-top.c gdb-7.4/gdb/event-top.c
--- gdb-7.4ori//gdb/event-top.c 2012-01-06 05:43:11.000000000 +0100
+++ gdb-7.4/gdb/event-top.c 2012-05-10 11:26:26.311643428 +0200
@@ -36,6 +36,7 @@
#include "observer.h"
#include "continuations.h"
#include "gdbcmd.h" /* for dont_repeat() */
+#include "symfile.h"
/* readline include files. */
#include "readline/readline.h"
@@ -176,6 +177,8 @@ rl_callback_read_char_wrapper (gdb_clien
void
cli_command_loop (void)
{
+ debug_flush_missing ();
+
display_gdb_prompt (0);
/* Now it's time to start the event loop. */
@@ -241,6 +244,8 @@ display_gdb_prompt (char *new_prompt)
/* Reset the nesting depth used when trace-commands is set. */
reset_command_nest_depth ();
+ debug_flush_missing ();
+
/* Each interpreter has its own rules on displaying the command
prompt. */
if (!current_interp_display_prompt_p ())
diff -rup gdb-7.4ori//gdb/objfiles.h gdb-7.4/gdb/objfiles.h
--- gdb-7.4ori//gdb/objfiles.h 2012-01-06 05:43:21.000000000 +0100
+++ gdb-7.4/gdb/objfiles.h 2012-05-10 11:10:37.459644929 +0200
@@ -433,6 +433,10 @@ struct objfile
#define OBJF_MAINLINE (1 << 5)
+/* This file was loaded according to the BUILD_ID_CORE_LOADS rules. */
+
+#define OBJF_BUILD_ID_CORE_LOADED (1 << 12)
+
/* The object file that contains the runtime common minimal symbols
for SunOS4. Note that this objfile has no associated BFD. */
diff -rup gdb-7.4ori//gdb/proc-service.list gdb-7.4/gdb/proc-service.list
--- gdb-7.4ori//gdb/proc-service.list 2012-01-06 05:43:25.000000000 +0100
+++ gdb-7.4/gdb/proc-service.list 2012-05-10 11:27:09.947643359 +0200
@@ -37,4 +37,7 @@
ps_pstop;
ps_ptread;
ps_ptwrite;
+
+ /* gdb-6.6-buildid-locate-rpm.patch */
+ rpmsqEnable;
};
diff -rup gdb-7.4ori//gdb/solib-svr4.c gdb-7.4/gdb/solib-svr4.c
--- gdb-7.4ori//gdb/solib-svr4.c 2012-01-06 05:43:30.000000000 +0100
+++ gdb-7.4/gdb/solib-svr4.c 2012-05-10 11:10:37.455644929 +0200
@@ -1227,9 +1227,52 @@ svr4_read_so_list (CORE_ADDR lm, struct
continue;
}
- strncpy (new->so_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
- new->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
- strcpy (new->so_original_name, new->so_name);
+ {
+ struct build_id *build_id;
+
+ strncpy (new->so_original_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
+ new->so_original_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
+ /* May get overwritten below. */
+ strcpy (new->so_name, new->so_original_name);
+
+ build_id = build_id_addr_get (new->lm_info->l_ld);
+ if (build_id != NULL)
+ {
+ char *name, *build_id_filename;
+
+ /* Missing the build-id matching separate debug info file
+ would be handled while SO_NAME gets loaded. */
+ name = build_id_to_filename (build_id, &build_id_filename, 0);
+ if (name != NULL)
+ {
+ strncpy (new->so_name, name, SO_NAME_MAX_PATH_SIZE - 1);
+ new->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
+ xfree (name);
+ }
+ else
+ {
+ debug_print_missing (new->so_name, build_id_filename);
+
+ /* In the case the main executable was found according to
+ its build-id (from a core file) prevent loading
+ a different build of a library with accidentally the
+ same SO_NAME.
+
+ It suppresses bogus backtraces (and prints "??" there
+ instead) if the on-disk files no longer match the
+ running program version. */
+
+ if (symfile_objfile != NULL
+ && (symfile_objfile->flags
+ & OBJF_BUILD_ID_CORE_LOADED) != 0)
+ new->so_name[0] = 0;
+ }
+
+ xfree (build_id_filename);
+ xfree (build_id);
+ }
+ }
+
xfree (buffer);
/* If this entry has no name, or its name matches the name
diff -rup gdb-7.4ori//gdb/symfile.h gdb-7.4/gdb/symfile.h
--- gdb-7.4ori//gdb/symfile.h 2012-01-06 05:43:31.000000000 +0100
+++ gdb-7.4/gdb/symfile.h 2012-05-10 11:26:26.311643428 +0200
@@ -560,6 +560,15 @@ void free_symfile_segment_data (struct s
extern struct cleanup *increment_reading_symtab (void);
+/* build-id support. */
+struct build_id;
+extern struct build_id *build_id_addr_get (CORE_ADDR addr);
+extern char *build_id_to_filename (struct build_id *build_id,
+ char **link_return, int add_debug_suffix);
+extern void debug_print_missing (const char *binary, const char *debug);
+extern void debug_flush_missing (void);
+#define BUILD_ID_MAIN_EXECUTABLE_FILENAME _("the main executable file")
+
/* From dwarf2read.c */
/* Names for a dwarf2 debugging section. The field NORMAL is the normal
diff -rup gdb-7.4ori//gdb/testsuite/lib/gdb.exp gdb-7.4/gdb/testsuite/lib/gdb.exp
--- gdb-7.4ori//gdb/testsuite/lib/gdb.exp 2012-01-06 05:54:30.000000000 +0100
+++ gdb-7.4/gdb/testsuite/lib/gdb.exp 2012-05-10 11:26:26.315643428 +0200
@@ -1392,6 +1392,16 @@ proc default_gdb_start { } {
warning "Couldn't set the width to 0."
}
}
+ # Turn off the missing RPMs warnings as the testsuite does not expect it.
+ send_gdb "set build-id-verbose 0\n"
+ gdb_expect 10 {
+ -re "$gdb_prompt $" {
+ verbose "Disabled the missing debug infos warnings." 2
+ }
+ timeout {
+ warning "Could not disable the missing debug infos warnings.."
+ }
+ }
return 0;
}
diff -rup gdb-7.4ori//gdb/testsuite/lib/mi-support.exp gdb-7.4/gdb/testsuite/lib/mi-support.exp
--- gdb-7.4ori//gdb/testsuite/lib/mi-support.exp 2012-01-06 05:54:30.000000000 +0100
+++ gdb-7.4/gdb/testsuite/lib/mi-support.exp 2012-05-10 11:26:26.315643428 +0200
@@ -212,6 +212,16 @@ proc default_mi_gdb_start { args } {
warning "Couldn't set the width to 0."
}
}
+ # Turn off the missing RPMs warnings as the testsuite does not expect it.
+ send_gdb "190-gdb-set build-id-verbose 0\n"
+ gdb_expect 10 {
+ -re ".*190-gdb-set build-id-verbose 0\r\n190\\\^done\r\n$mi_gdb_prompt$" {
+ verbose "Disabled the missing debug infos warnings." 2
+ }
+ timeout {
+ warning "Could not disable the missing debug infos warnings.."
+ }
+ }
# If allowing the inferior to have its own PTY then assign the inferior
# its own terminal device here.
if { $separate_inferior_pty } {
diff -rup gdb-7.4ori//gdb/tui/tui-interp.c gdb-7.4/gdb/tui/tui-interp.c
--- gdb-7.4ori//gdb/tui/tui-interp.c 2012-01-06 05:54:35.000000000 +0100
+++ gdb-7.4/gdb/tui/tui-interp.c 2012-05-10 11:26:26.315643428 +0200
@@ -30,6 +30,7 @@
#include "tui/tui.h"
#include "tui/tui-io.h"
#include "exceptions.h"
+#include "symfile.h"
/* Set to 1 when the TUI mode must be activated when we first start
gdb. */