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gdb-6.6-buildid-locate-rpm.patch
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File gdb-6.6-buildid-locate-rpm.patch of Package gdb.12010
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches <invalid@email.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.6-buildid-locate-rpm.patch ;;=push+jan diff --git a/gdb/aclocal.m4 b/gdb/aclocal.m4 --- a/gdb/aclocal.m4 +++ b/gdb/aclocal.m4 @@ -11,7 +11,223 @@ # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 1 (pkg-config-0.24) +# +# 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_]+$]) +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + +if test "x$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 $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi +fi[]dnl +])# PKG_PROG_PKG_CONFIG + +# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# Check to see whether a particular set of modules exists. Similar +# to PKG_CHECK_MODULES(), but does not set variables or print errors. +# +# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +# only at the first occurence in configure.ac, so if the first place +# it's called might be skipped (such as if it is within an "if", you +# have to call PKG_CHECK_EXISTS manually +# -------------------------------------------------------------- +AC_DEFUN([PKG_CHECK_EXISTS], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +if test -n "$PKG_CONFIG" && \ + AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then + m4_default([$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 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [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 + AC_MSG_RESULT([no]) + _PKG_SHORT_ERRORS_SUPPORTED + if test $_pkg_short_errors_supported = yes; then + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + m4_default([$4], [AC_MSG_ERROR( +[Package requirements ($2) were not met: + +$$1_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +_PKG_TEXT])[]dnl + ]) +elif test $pkg_failed = untried; then + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( +[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/>.])[]dnl + ]) +else + $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS + $1[]_LIBS=$pkg_cv_[]$1[]_LIBS + AC_MSG_RESULT([yes]) + $3 +fi[]dnl +])# PKG_CHECK_MODULES + + +# PKG_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable pkgconfigdir as the location where a module +# should install pkg-config .pc files. By default the directory is +# $libdir/pkgconfig, but the default can be changed by passing +# DIRECTORY. The user can override through the --with-pkgconfigdir +# parameter. +AC_DEFUN([PKG_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([pkgconfigdir], + [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, + [with_pkgconfigdir=]pkg_default) +AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_INSTALLDIR + + +# PKG_NOARCH_INSTALLDIR(DIRECTORY) +# ------------------------- +# Substitutes the variable noarch_pkgconfigdir as the location where a +# module should install arch-independent pkg-config .pc files. By +# default the directory is $datadir/pkgconfig, but the default can be +# changed by passing DIRECTORY. The user can override through the +# --with-noarch-pkgconfigdir parameter. +AC_DEFUN([PKG_NOARCH_INSTALLDIR], +[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) +m4_pushdef([pkg_description], + [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) +AC_ARG_WITH([noarch-pkgconfigdir], + [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, + [with_noarch_pkgconfigdir=]pkg_default) +AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) +m4_popdef([pkg_default]) +m4_popdef([pkg_description]) +]) dnl PKG_NOARCH_INSTALLDIR + + +# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# ------------------------------------------- +# Retrieves the value of the pkg-config variable for the given module. +AC_DEFUN([PKG_CHECK_VAR], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl + +_PKG_CONFIG([$1], [variable="][$3]["], [$2]) +AS_VAR_COPY([$1], [pkg_cv_][$1]) + +AS_VAR_IF([$1], [""], [$5], [$4])dnl +])# PKG_CHECK_VAR + m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) + # AM_AUX_DIR_EXPAND -*- Autoconf -*- # Copyright (C) 2001-2017 Free Software Foundation, Inc. diff --git a/gdb/build-id.c b/gdb/build-id.c --- a/gdb/build-id.c +++ b/gdb/build-id.c @@ -35,6 +35,8 @@ #include "elf/common.h" #include "elf-bfd.h" #include <sys/stat.h> +#include "elf/external.h" +#include "inferior.h" #define BUILD_ID_VERBOSE_NONE 0 #define BUILD_ID_VERBOSE_FILENAMES 1 @@ -700,8 +702,366 @@ build_id_to_filename (const struct bfd_build_id *build_id, char **link_return) return result; } +#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 + +/* 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 (is_target_filename (filename)) + 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 = (char *(*) (Header h, const char * fmt, errmsg_t *errmsg)) dlsym (h, "headerFormat")) + && (rpmReadConfigFiles_p = (int (*) (const char * file, const char * target)) dlsym (h, "rpmReadConfigFiles")) + && (rpmdbFreeIterator_p = (rpmdbMatchIterator (*) (rpmdbMatchIterator mi)) dlsym (h, "rpmdbFreeIterator")) + && (rpmdbNextIterator_p = (Header (*) (rpmdbMatchIterator mi)) dlsym (h, "rpmdbNextIterator")) + && (rpmtsCreate_p = (rpmts (*) (void)) dlsym (h, "rpmtsCreate")) + && (rpmtsFree_p = (rpmts (*) (rpmts ts)) dlsym (h, "rpmtsFree")) + && (rpmtsInitIterator_p = (rpmdbMatchIterator (*) (const rpmts ts, rpmTag rpmtag, const void *keyp, size_t keylen)) 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 = (char *) memrchr (debuginfo, '-', s - debuginfo); + } + if (s2) + { + /* s2 = `-%{version}-%{release}.src.rpm-debuginfo.%{arch}' */ + s2 = (char *) 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, (rpmTag) 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 --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 = (struct 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 = (char **) 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"), +#ifdef DNF_DEBUGINFO_INSTALL + "dnf " +#endif + "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 - Try to install the hash file ... + yum --enablerepo='*debug*' install ... avoidance. */ struct missing_filepair @@ -755,11 +1115,17 @@ missing_filepair_change (void) /* 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 (); } @@ -826,14 +1192,39 @@ debug_print_missing (const char *binary, const char *debug) *slot = missing_filepair; - /* We do not collect and flush these messages as each such message - already requires its own separate lines. */ +#ifdef HAVE_LIBRPM + if (missing_exec == MISSING_EXEC_NOT_TRIED) + { + char *execfilename; - fprintf_unfiltered (gdb_stdlog, - _("Missing separate debuginfo for %s\n"), binary); - if (debug != NULL) - fprintf_unfiltered (gdb_stdlog, _("Try to install the hash file %s\n"), - debug); + execfilename = get_exec_file (0); + if (execfilename != NULL) + { + if (missing_rpm_enlist (execfilename) == 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) + fprintf_unfiltered (gdb_stdlog, _("Try: %s %s\n"), +#ifdef DNF_DEBUGINFO_INSTALL + "dnf" +#else + "yum" +#endif + " --enablerepo='*debug*' install", debug); + } } /* See build-id.h. */ diff --git a/gdb/config.in b/gdb/config.in --- a/gdb/config.in +++ b/gdb/config.in @@ -33,6 +33,9 @@ /* 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 @@ -261,6 +264,9 @@ /* Define if Python 2.7 is being used. */ #undef HAVE_LIBPYTHON2_7 +/* Define if librpm library is being used. */ +#undef HAVE_LIBRPM + /* Define to 1 if you have the <libunwind-ia64.h> header file. */ #undef HAVE_LIBUNWIND_IA64_H diff --git a/gdb/configure b/gdb/configure --- a/gdb/configure +++ b/gdb/configure @@ -751,6 +751,11 @@ CODESIGN_CERT HAVE_NATIVE_GCORE_TARGET TARGET_OBS subdirs +RPM_LIBS +RPM_CFLAGS +PKG_CONFIG_LIBDIR +PKG_CONFIG_PATH +PKG_CONFIG GDB_DATADIR DEBUGDIR MAKEINFO_EXTRA_FLAGS @@ -855,6 +860,7 @@ with_gdb_datadir with_relocated_sources with_auto_load_dir with_auto_load_safe_path +with_rpm enable_targets enable_64_bit_bfd enable_gdbmi @@ -915,6 +921,11 @@ CCC CPP MAKEINFO MAKEINFOFLAGS +PKG_CONFIG +PKG_CONFIG_PATH +PKG_CONFIG_LIBDIR +RPM_CFLAGS +RPM_LIBS YACC YFLAGS XMKMF' @@ -1588,6 +1599,8 @@ Optional Packages: [--with-auto-load-dir] --without-auto-load-safe-path do not restrict auto-loaded files locations + --with-rpm query rpm database for missing debuginfos (yes/no, + def. auto=librpm.so) --with-libunwind-ia64 use libunwind frame unwinding for ia64 targets --with-curses use the curses library instead of the termcap library @@ -1645,6 +1658,13 @@ Some influential environment variables: MAKEINFO Parent configure detects if it is of sufficient version. MAKEINFOFLAGS Parameters for MAKEINFO. + PKG_CONFIG path to pkg-config utility + PKG_CONFIG_PATH + directories to add to pkg-config's search path + PKG_CONFIG_LIBDIR + path overriding pkg-config's built-in search path + RPM_CFLAGS C compiler flags for RPM, overriding pkg-config + RPM_LIBS linker flags for RPM, overriding pkg-config YACC The `Yet Another Compiler Compiler' implementation to use. Defaults to the first program found out of: `bison -y', `byacc', `yacc'. @@ -6626,6 +6646,494 @@ _ACEOF { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_auto_load_safe_path" >&5 $as_echo "$with_auto_load_safe_path" >&6; } +# 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` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$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` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +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 --cflags --libs "rpm" 2>&1` + else + RPM_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "rpm" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$RPM_PKG_ERRORS" >&5 + + HAVE_LIBRPM=false +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + HAVE_LIBRPM=false +else + RPM_CFLAGS=$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 --git a/gdb/configure.ac b/gdb/configure.ac --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -166,6 +166,199 @@ AC_DEFINE_DIR(AUTO_LOAD_SAFE_PATH, escape_dir, [Directories safe to hold auto-loaded files.]) AC_MSG_RESULT([$with_auto_load_safe_path]) +# Integration with rpm library to support missing debuginfo suggestions. +# --without-rpm: Disable any rpm support. +# --with-rpm=libname.so: Try to dynamically open `libname.so' during runtime. +# Even with runtime missing `libname.so' GDB will still other run correctly. +# Missing `libname.so' during ./configure will abort the configuration. +# --with-rpm=librpm.so: Like `--with-rpm=libname.so' but try to find specific +# minor version first such as `librpm-4.6.so' as minor version differences +# mean API+ABI incompatibility. If the specific match versioned library name +# could not be found still open dynamically at least `librpm.so'. +# --with-rpm: Like `--with-rpm=librpm.so' but if any of its detection fails try +# to find librpm for compilation-time linking by pkg-config. GDB binary will +# be probably linked with the version specific library (as `librpm-4.6.so'). +# Failure to find librpm by pkg-config will abort the configuration. +# (default) --with-rpm=auto: Like `--with-rpm=librpm.so' but if even pkg-config +# cannot find librpm use to the rpmless compilation (like `--without-rpm'). + +AC_ARG_WITH([rpm], + [AS_HELP_STRING([--with-rpm], + [query rpm database for missing debuginfos (yes/no, def. auto=librpm.so)])], [], [with_rpm="auto"]) + +m4_pattern_allow([^AC_MSG_ERROR$]) +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 --git a/gdb/corelow.c b/gdb/corelow.c --- a/gdb/corelow.c +++ b/gdb/corelow.c @@ -365,7 +365,7 @@ build_id_locate_exec (int from_tty) symfile_objfile->flags |= OBJF_BUILD_ID_CORE_LOADED; } else - debug_print_missing (_("the main executable file"), build_id_filename); + debug_print_missing (BUILD_ID_MAIN_EXECUTABLE_FILENAME, build_id_filename); do_cleanups (back_to); diff --git a/gdb/event-top.c b/gdb/event-top.c --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -40,6 +40,7 @@ #include "common/buffer.h" #include "ser-event.h" #include "gdb_select.h" +#include "symfile.h" /* readline include files. */ #include "readline/readline.h" @@ -359,6 +360,8 @@ display_gdb_prompt (const char *new_prompt) /* Reset the nesting depth used when trace-commands is set. */ reset_command_nest_depth (); + debug_flush_missing (); + /* Do not call the python hook on an explicit prompt change as passed to this function, as this forms a secondary/local prompt, IE, displayed but not set. */ @@ -770,7 +773,10 @@ command_line_handler (gdb::unique_xmalloc_ptr<char> &&rl) command_handler (cmd); if (ui->prompt_state != PROMPTED) - display_gdb_prompt (0); + { + debug_flush_missing (); + display_gdb_prompt (0); + } } } diff --git a/gdb/symfile.h b/gdb/symfile.h --- a/gdb/symfile.h +++ b/gdb/symfile.h @@ -534,6 +534,8 @@ void map_symbol_filenames (symbol_filename_ftype *fun, void *data, /* build-id support. */ extern struct bfd_build_id *build_id_addr_get (CORE_ADDR addr); 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 */
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