@format
@c man begin SYNOPSIS gcore
-gcore [-a] [-o @var{prefix}] @var{pid1} [@var{pid2}...@var{pidN}]
+gcore [-a] [-o @var{prefix}] [-d @var{directory}] @var{pid1} [@var{pid2}...@var{pidN}]
@c man end
@end format
composed as @file{@var{prefix}.@var{pid}}, where @var{pid} is the
process ID of the running program being analyzed by @command{gcore}.
If not specified, @var{prefix} defaults to @var{gcore}.
+
+@item -d @var{directory}
+Use @var{directory} as the data directory when invoking @value{GDBN} for running
+the gcore command. This argument is optional.
@end table
@c man end
# to ensure gdb dumps all mappings (OS dependent).
dump_all_cmds=()
-while getopts :ao: opt; do
+data_directory_opt=()
+
+while getopts :ao:d: opt; do
case "$opt" in
a)
case "$OSTYPE" in
o)
prefix=$OPTARG
;;
+ d)
+ data_directory_opt=("--data-directory" "$OPTARG")
+ ;;
*)
- echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o prefix] pid1 [pid2...pidN]"
+ echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o prefix] [-d data-directory] pid1 [pid2...pidN]"
exit 2
;;
esac
if [ "$#" -eq "0" ]
then
- echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o prefix] pid1 [pid2...pidN]"
+ echo "usage: @GCORE_TRANSFORM_NAME@ [-a] [-o prefix] [-d data-directory] pid1 [pid2...pidN]"
exit 2
fi
# `</dev/null' to avoid touching interactive terminal if it is
# available but not accessible as GDB would get stopped on SIGTTIN.
"$binary_path/@GDB_TRANSFORM_NAME@" </dev/null \
+ "${data_directory_opt[@]}" \
--nx --batch --readnever -iex 'set debuginfod enabled off' \
-ex "set pagination off" -ex "set height 0" -ex "set width 0" \
"${dump_all_cmds[@]}" \
--- /dev/null
+/* Copyright 2007-2024 Free Software Foundation, Inc.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+/* Expects 4 arguments:
+
+ 1. Either 'standard' or 'detached', where 'standard' tests
+ a general gcore script spawn with its controlling terminal available
+ and 'detached' tests gcore script spawn without its controlling
+ terminal available.
+ 2. Path to the gcore script.
+ 3. Path to the data-directory to pass to the gcore script.
+ 4. The core file output name. */
+
+int
+main (int argc, char **argv)
+{
+ pid_t pid = 0;
+ pid_t ppid;
+ char buf[1024*2 + 500];
+ int gotint, res;
+
+ assert (argc == 5);
+
+ pid = fork ();
+
+ switch (pid)
+ {
+ case 0:
+ if (strcmp (argv[1], "detached") == 0)
+ setpgrp ();
+ ppid = getppid ();
+ gotint = snprintf (buf, sizeof (buf), "%s -d %s -o %s %d",
+ argv[2], argv[3], argv[4], (int) ppid);
+ assert (gotint < sizeof (buf));
+ res = system (buf);
+ assert (res != -1);
+ break;
+
+ case -1:
+ perror ("fork err\n");
+ exit (1);
+ break;
+
+ default:
+ do
+ {
+ res = waitpid (pid, NULL, 0);
+ }
+ while (res == -1 && errno == EINTR);
+
+ assert (res == pid);
+ break;
+ }
+
+ return 0;
+}
--- /dev/null
+# Copyright 2007-2024 Free Software Foundation, Inc.
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+#
+# This is a test for the gcore script (not the gcore command from
+# inside GDB). It also tests the gcore script being run without its
+# accessible terminal.
+
+standard_testfile
+require {!is_remote host}
+require {!is_remote target}
+require has_gcore_script
+require can_spawn_for_attach
+
+set corefile [standard_output_file ${testfile}.core]
+
+if {[build_executable "failed to build" $testfile ${srcfile}] == -1 } {
+ return -1
+}
+
+# Cleanup.
+
+proc core_clean {} {
+ global corefile
+
+ foreach file [glob -nocomplain [join [list $corefile *] ""]] {
+ verbose "Delete file $file" 1
+ remote_file target delete $file
+ }
+}
+core_clean
+
+# Generate the core file.
+proc test_body { detached } {
+ global binfile
+ global GCORE
+ global corefile
+ global GDB_DATA_DIRECTORY
+
+ # We can't use gdb_test_multiple here because GDB is not started.
+ set res [remote_spawn target "$binfile $detached $GCORE $GDB_DATA_DIRECTORY $corefile"]
+ if { ![gdb_assert { ![expr {$res < 0 || $res == ""}] } \
+ "spawned gcore"] } {
+ return
+ }
+
+ set saw_corefile_created false
+ set testname "Spawned gcore finished"
+ remote_expect target 20 {
+ timeout {
+ fail "$testname (timeout)"
+ remote_exec target "kill -9 -[exp_pid -i $res]"
+ return
+ }
+ -re "Saved corefile \[^\r\n\]+\r\n" {
+ set saw_corefile_created true
+ exp_continue
+ }
+ eof {
+ gdb_assert { $saw_corefile_created } $testname
+ }
+ }
+
+ gdb_assert {1 == [llength [glob -nocomplain [join [list $corefile *] ""]]]}\
+ "Core file generated by gcore"
+ core_clean
+}
+
+foreach_with_prefix detached { detached standard } {
+ test_body $detached
+}
load_lib memory.exp
load_lib check-test-names.exp
+# The path to the GCORE script to test.
+global GCORE
+if {![info exists GCORE]} {
+ set GCORE [findfile $base_dir/../../gdb/gcore]
+}
+verbose "using GCORE = $GCORE" 2
+
+# Return 0 if the gcore scipt is missing.
+proc has_gcore_script {} {
+ global GCORE
+ if {$GCORE == ""} {
+ return 0
+ } else {
+ return 1
+ }
+}
+
# The path to the GDB binary to test.
global GDB
projects / thirdparty / binutils-gdb.git / commitdiff
