2004-03-16 Roland McGrath <roland@redhat.com>

	* gdb.base/auxv.exp: New file.
	* gdb.base/auxv.c: New file, copied verbatim from coremaker2.c.

2 files changed, 245 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.base/auxv.c b/gdb/testsuite/gdb.base/auxv.c
new file mode 100644
index 0000000..94f9d00
--- /dev/null
+++ b/gdb/testsuite/gdb.base/auxv.c
@@ -0,0 +1,58 @@
+/* Simple little program that just generates a core dump from inside some
+   nested function calls.  Keep this as self contained as possible, I.E.
+   use no environment resources other than possibly abort(). */
+
+#ifndef __STDC__
+#define	const	/**/
+#endif
+
+#ifndef HAVE_ABORT
+#define HAVE_ABORT 1
+#endif
+
+#if HAVE_ABORT
+#define ABORT abort()
+#else
+#define ABORT {char *invalid = 0; *invalid = 0xFF;}
+#endif
+
+/* Don't make these automatic vars or we will have to walk back up the
+   stack to access them. */
+
+char *buf1;
+char *buf2;
+
+int coremaker_data = 1;	/* In Data section */
+int coremaker_bss;	/* In BSS section */
+
+const int coremaker_ro = 201;	/* In Read-Only Data section */
+
+void
+func2 (int x)
+{
+  int coremaker_local[5];
+  int i;
+  static int y;
+
+  /* Make sure that coremaker_local doesn't get optimized away. */
+  for (i = 0; i < 5; i++)
+    coremaker_local[i] = i;
+  coremaker_bss = 0;
+  for (i = 0; i < 5; i++)
+    coremaker_bss += coremaker_local[i];
+  coremaker_data = coremaker_ro + 1;
+  y = 10 * x;
+  ABORT;
+}
+
+void
+func1 (int x)
+{
+  func2 (x * 2);
+}
+
+int main ()
+{
+  func1 (10);
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.base/auxv.exp b/gdb/testsuite/gdb.base/auxv.exp
new file mode 100644
index 0000000..3a509b9
--- /dev/null
+++ b/gdb/testsuite/gdb.base/auxv.exp
@@ -0,0 +1,187 @@
+# Test `info auxv' and related functionality.
+
+# Copyright 1992,1993,1994,1995,1996,1997,1998,1999,2000,2004
+#	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 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.
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file is based on corefile.exp which was written by Fred
+# Fish. (fnf@cygnus.com)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "auxv"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+set corefile ${objdir}/${subdir}/${testfile}.corefile
+set gcorefile ${objdir}/${subdir}/${testfile}.gcore
+
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
+# Use a fresh directory to confine the native core dumps.
+# Make it the working directory for gdb and its child.
+set coredir "${objdir}/${subdir}/coredir.[getpid]"
+file mkdir $coredir
+set core_works [isnative]
+
+# Run GDB on the test program up to where it will dump core.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+gdb_test "set print sevenbit-strings" "" \
+	"set print sevenbit-strings; ${testfile}"
+gdb_test "set width 0" "" \
+	"set width 0; ${testfile}"
+
+if {$core_works} {
+    if {[gdb_test "cd $coredir" ".*Working directory .*" \
+	     "cd to temporary directory for core dumps"]} {
+	set core_works 0
+    }
+}
+
+if { ![runto_main] } then {
+    gdb_suppress_tests;
+}
+set print_core_line [gdb_get_line_number "ABORT;"]
+gdb_test "tbreak $print_core_line"
+gdb_test continue ".*ABORT;.*"
+
+proc fetch_auxv {test} {
+    global gdb_prompt
+
+    set auxv_lines {}
+    set bad -1
+    if {[gdb_test_multiple "info auxv" $test {
+	-re "info auxv\[\r\n\]+" {
+	    exp_continue
+	}
+	-ex "The program has no auxiliary information now" {
+	    set bad 1
+	}
+	-ex "Auxiliary vector is empty" {
+	    set bad 1
+	}
+	-ex "No auxiliary vector found" {
+	    set bad 1
+	}
+	-re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\[\r\n\]+" {
+	    lappend auxv_lines $expect_out(0,string)
+	    exp_continue
+	}
+	-re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\[\r\n\]+" {
+	    warning "Unrecognized tag value: $expect_out(0,string)"
+	    set bad 1
+	    lappend auxv_lines $expect_out(0,string)
+	    exp_continue
+	}
+	-re ".*$gdb_prompt $" {
+	    incr bad
+	}
+	-re "^\[^\r\n\]+\[\r\n\]+" {
+	    warning "Unrecognized output: $expect_out(0,string)"
+	    set bad 1
+	}
+    }] != 0} {
+	return {}
+    }
+
+    if {$bad} {
+	fail $test
+	return {}
+    }
+
+    pass $test
+    return $auxv_lines
+}
+
+set live_data [fetch_auxv "info auxv on live process"]
+
+# Now try gcore.
+set gcore_works 0
+set escapedfilename [string_to_regexp $gcorefile]
+gdb_test_multiple "gcore $gcorefile" "gcore" {
+    -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
+	pass "gcore"
+	set gcore_works 1
+    }
+    -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
+	unsupported "gcore"
+    }
+}
+
+# Let the program continue and die.
+gdb_test continue ".*Program received signal.*"
+gdb_test continue ".*Program terminated with signal.*"
+
+# Now collect the core dump it left.
+set test "generate native core dump"
+if {$core_works} {
+    # Find the
+    set names [glob -nocomplain -directory $coredir *core*]
+    if {[llength $names] == 1} {
+	set file [file join $coredir [lindex $names 0]]
+	remote_exec build "mv $file $corefile"
+	pass $test
+    } else {
+	set core_works 0
+	warning "can't generate a core file - core tests suppressed - check ulimit -c"
+	fail $test
+    }
+} else {
+    unsupported $test
+}
+remote_exec build "rm -rf $coredir"
+
+# Now we can examine the core files and check that their data matches what
+# we saw in the process.  Note that the exact data can vary between runs,
+# so it's important that the native core dump file and the gcore-created dump
+# both be from the same run of the program as we examined live.
+
+proc do_core_test {works corefile test1 test2} {
+    if {! $works} {
+	unsupported $test1
+	unsupported $test2
+    } else {
+	gdb_test "core $corefile" "Core was generated by.*" \
+	    "load core file for $test1" \
+	    "A program is being debugged already.*" "y"
+	set core_data [fetch_auxv $test1]
+	global live_data
+	if {$core_data == $live_data} {
+	    pass $test2
+	} else {
+	    fail $test2
+	}
+    }
+}
+
+do_core_test $core_works $corefile \
+    "info auxv on native core dump" "matching auxv data from live and core"
+
+do_core_test $gcore_works $gcorefile \
+    "info auxv on gcore-created dump" "matching auxv data from live and gcore"