gdb/testsuite/
* gdb.trace/unavailable.cc, gdb.trace/unavailable.exp: New files.
This commit is contained in:
Pedro Alves
parent
a3d34bf49a
commit
06d72e16c4
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@ -1,3 +1,7 @@
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2011-02-14 Pedro Alves <pedro@codesourcery.com>
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* gdb.trace/unavailable.cc, gdb.trace/unavailable.exp: New files.
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2011-02-13 Jan Kratochvil <jan.kratochvil@redhat.com>
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Fix const/volatile qualifiers of C++ types, PR c++/12328.
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <string.h>
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/* Test program partial trace data visualization. */
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/* Typedefs. */
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typedef struct TEST_STRUCT {
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char memberc;
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int memberi;
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float memberf;
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double memberd;
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} test_struct;
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typedef int test_array [4];
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/* Global variables to be collected. */
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char globalc;
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int globali;
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float globalf;
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double globald;
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test_struct globalstruct;
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test_struct *globalp;
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int globalarr[16];
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/* Strings. */
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const char g_const_string[] = "hello world";
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char g_string_unavail[sizeof (g_const_string)];
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char g_string_partial[sizeof (g_const_string)];
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const char *g_string_p;
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/* Used to check that <unavailable> is not the same as 0 in array
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element repetitions. */
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struct tuple
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{
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int a;
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int b;
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};
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struct tuple tarray[8];
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/* Random tests. */
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struct StructA
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{
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int a, b;
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int array[10000];
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void *ptr;
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int bitfield:1;
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};
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struct StructB
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{
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int d, ef;
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StructA struct_a;
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int s:1;
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static StructA static_struct_a;
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const char *string;
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};
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/* References. */
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int g_int;
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int &g_ref = g_int;
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struct StructRef
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{
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StructRef (unsigned int val) : ref(d) {}
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void clear ()
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{
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d = 0;
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}
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unsigned int d;
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unsigned int &ref;
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};
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struct StructB struct_b;
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struct StructA StructB::static_struct_a;
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StructRef g_structref(0x12345678);
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StructRef *g_structref_p = &g_structref;
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/* Test functions. */
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static void
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begin () /* called before anything else */
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{
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}
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static void
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end () /* called after everything else */
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{
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}
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int
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globals_test_func ()
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{
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int i = 0;
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i += globalc + globali + globalf + globald;
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i += globalstruct.memberc + globalstruct.memberi;
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i += globalstruct.memberf + globalstruct.memberd;
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i += globalarr[1];
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return i; /* set globals_test_func tracepoint here */
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}
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int
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main (int argc, char **argv, char **envp)
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{
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int i = 0;
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test_struct mystruct;
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int myarray[4];
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begin ();
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/* Assign collectable values to global variables. */
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globalc = 71;
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globali = 72;
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globalf = 73.3;
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globald = 74.4;
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globalstruct.memberc = 81;
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globalstruct.memberi = 82;
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globalstruct.memberf = 83.3;
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globalstruct.memberd = 84.4;
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globalp = &globalstruct;
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for (i = 0; i < 15; i++)
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globalarr[i] = i;
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mystruct.memberc = 101;
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mystruct.memberi = 102;
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mystruct.memberf = 103.3;
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mystruct.memberd = 104.4;
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myarray[0] = 111;
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myarray[1] = 112;
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myarray[2] = 113;
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myarray[3] = 114;
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g_int = 123;
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memset (&struct_b, 0xaa, sizeof struct_b);
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memset (&struct_b.static_struct_a, 0xaa, sizeof struct_b.static_struct_a);
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struct_b.string = g_const_string;
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memcpy (g_string_unavail, g_const_string, sizeof (g_const_string));
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memcpy (g_string_partial, g_const_string, sizeof (g_const_string));
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g_string_p = g_const_string;
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/* Call test functions, so they can be traced and data collected. */
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i = 0;
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i += globals_test_func ();
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/* Set 'em back to zero, so that the collected values will be
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distinctly different from the "realtime" (end of test) values. */
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globalc = 0;
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globali = 0;
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globalf = 0;
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globald = 0;
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globalstruct.memberc = 0;
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globalstruct.memberi = 0;
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globalstruct.memberf = 0;
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globalstruct.memberd = 0;
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globalp = 0;
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for (i = 0; i < 15; i++)
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globalarr[i] = 0;
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memset (&struct_b, 0, sizeof struct_b);
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memset (&struct_b.static_struct_a, 0, sizeof struct_b.static_struct_a);
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struct_b.string = NULL;
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memset (g_string_unavail, 0, sizeof (g_string_unavail));
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memset (g_string_partial, 0, sizeof (g_string_partial));
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g_string_p = NULL;
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g_int = 0;
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g_structref.clear ();
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g_structref_p = NULL;
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end ();
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return 0;
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}
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@ -0,0 +1,242 @@
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# Copyright 1998, 2005, 2007, 2008, 2009, 2010, 2011
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib "trace-support.exp"
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set testfile "unavailable"
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set srcfile ${testfile}.cc
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set executable $testfile
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set binfile $objdir/$subdir/$executable
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
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executable {debug nowarnings c++}] != "" } {
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untested unavailable.exp
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return -1
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}
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set ws "\[\r\n\t \]+"
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set cr "\[\r\n\]+"
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#
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# Utility procs
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#
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proc prepare_for_trace_test {} {
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global executable
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clean_restart $executable
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runto_main
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gdb_test "break begin" ".*" ""
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gdb_test "break end" ".*" ""
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}
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proc run_trace_experiment { test_func } {
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global gdb_prompt
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gdb_test "continue" \
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".*Breakpoint \[0-9\]+, begin .*" \
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"advance to begin"
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gdb_test_no_output "tstart" "start trace experiment"
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gdb_test "continue" \
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"Continuing.*Breakpoint \[0-9\]+, end.*" \
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"run trace experiment"
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gdb_test "tstop" \
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"\[\r\n\]+" \
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"stop trace experiment"
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gdb_test "tfind start" \
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"#0 $test_func .*" \
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"tfind test frame"
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}
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#
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# Test procs
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#
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proc gdb_collect_globals_test { } {
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global ws
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global cr
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global gdb_prompt
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global hex
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global pf_prefix
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set old_pf_prefix $pf_prefix
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set pf_prefix "$pf_prefix collect globals:"
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prepare_for_trace_test
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set testline [gdb_get_line_number "set globals_test_func tracepoint here"]
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gdb_test "trace $testline" \
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"Tracepoint \[0-9\]+ at .*" \
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"set tracepoint"
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gdb_trace_setactions "define actions" \
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"" \
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"collect struct_b.struct_a.array\[2\]" "^$" \
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"collect struct_b.struct_a.array\[100\]" "^$" \
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\
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"collect tarray\[0\].a" "^$" \
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"collect tarray\[1\].a" "^$" \
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"collect tarray\[3\].a" "^$" \
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"collect tarray\[3\].b" "^$" \
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"collect tarray\[4\].b" "^$" \
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"collect tarray\[5\].b" "^$" \
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\
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"collect g_string_p" "^$" \
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"collect g_string_partial\[1\]" "^$" \
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"collect g_string_partial\[2\]" "^$" \
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\
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"collect g_structref_p" "^$" \
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# Begin the test.
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run_trace_experiment globals_test_func
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gdb_test "print globalc" " = <unavailable>"
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gdb_test "print globali" " = <unavailable>"
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gdb_test "print globalf" " = <unavailable>"
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gdb_test "print globald" " = <unavailable>"
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gdb_test "print globalstruct.memberc" " = <unavailable>"
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gdb_test "print globalstruct.memberi" " = <unavailable>"
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gdb_test "print globalstruct.memberf" " = <unavailable>"
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gdb_test "print globalstruct.memberd" " = <unavailable>"
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gdb_test "print globalstruct" \
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" = {memberc = <unavailable>, memberi = <unavailable>, memberf = <unavailable>, memberd = <unavailable>}"
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gdb_test "print globalp == &globalstruct" \
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"value is not available" \
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"can't compare using non collected global pointer"
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gdb_test "print globalarr\[1\]" " = <unavailable>"
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gdb_test "print globalarr\[2\]" " = <unavailable>"
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gdb_test "print globalarr\[3\]" " = <unavailable>"
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gdb_test "print struct_b" \
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" = {d = <unavailable>, ef = <unavailable>, struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, -1431655766, <unavailable> <repeats 97 times>, -1431655766, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}, s = <unavailable>, static static_struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <unavailable>}, string = <unavailable>}"
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gdb_test "print /x struct_b" \
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" = {d = <unavailable>, ef = <unavailable>, struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}, s = <unavailable>, static static_struct_a = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <unavailable>}, string = <unavailable>}"
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gdb_test "print /x struct_b.struct_a" \
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" = {a = <unavailable>, b = <unavailable>, array = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}, ptr = <unavailable>, bitfield = <unavailable>}"
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gdb_test "print /x struct_b.struct_a.array" \
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" = {<unavailable>, <unavailable>, 0xaaaaaaaa, <unavailable> <repeats 97 times>, 0xaaaaaaaa, <unavailable> <repeats 9899 times>}"
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gdb_test "print /x struct_b.struct_a.array\[0\]" " = <unavailable>"
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gdb_test "print /x struct_b.struct_a.array\[2\]" " = 0xaaaaaaaa"
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# Check <unavailable> isn't confused with 0 in array element repetitions
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gdb_test_no_output "set print repeat 1"
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gdb_test "print /x tarray" \
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" = \{\{a = 0x0, b = <unavailable>\} <repeats 2 times>, \{a = <unavailable>, b = <unavailable>\}, \{a = 0x0, b = 0x0\}, \{a = <unavailable>, b = 0x0\} <repeats 2 times>, \{a = <unavailable>, b = <unavailable>\} <repeats 2 times>\}" \
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"<unavailable> is not the same as 0 in array element repetitions"
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gdb_test_no_output "set print repeat 10"
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# Static fields
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gdb_test "print struct_b.static_struct_a" \
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" = {a = <unavailable>, b = <unavailable>, array = {<unavailable> <repeats 10000 times>}, ptr = <unavailable>, bitfield = <unavailable>}"
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# Bitfields
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gdb_test "print struct_b.struct_a.bitfield" " = <unavailable>"
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# References
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gdb_test "print g_int" " = <unavailable>"
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gdb_test "print g_ref" \
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"\\(int &\\) @$hex: <unavailable>" \
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"global reference shows address but not value"
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gdb_test "print *&g_ref" \
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"\\$\[0-9\]+ = <unavailable>$cr" \
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"referenced integer was not collected (taking address of reference)"
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gdb_test "print *g_structref_p" \
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" = {d = <unavailable>, ref = <unavailable>}"
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# Strings
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# Const string is always available, even when not collected.
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gdb_test "print g_const_string" \
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" = \"hello world\"$cr" \
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"non collected const string is still printable"
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gdb_test "print g_string_p" \
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" = $hex \"hello world\"" \
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"printing constant string through collected pointer"
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gdb_test "print g_string_unavail" \
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" = \{<unavailable> <repeats 12 times>\}" \
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"printing non collected string"
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# Incomplete strings print as an array.
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gdb_test "print g_string_partial" \
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"\\$\[0-9\]+ = \{<unavailable>, 101 'e', 108 'l', <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>, <unavailable>\}" \
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"printing partially collected string"
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# It is important for this test that the last examined value is
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# <unavailable>, to exercise the case of the $__ convenience
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# variable being set to <unavailable> without error.
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set msg "examining partially collected object"
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gdb_test_multiple "x /10x &struct_b" "$msg" {
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-re "$hex <struct_b>:${ws}<unavailable>${ws}<unavailable>${ws}<unavailable>${ws}<unavailable>$cr$hex <struct_b\\+16>:${ws}<unavailable>${ws}<unavailable>${ws}0xaaaaaaaa${ws}<unavailable>$cr$hex <struct_b\\+32>:${ws}<unavailable>${ws}<unavailable>$cr$gdb_prompt $" {
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pass "$msg"
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}
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-re "value is not available" {
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fail "$msg"
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}
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}
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gdb_test "p \$__" " = <unavailable>" "last examined value was <unavailable>"
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gdb_test "tfind none" \
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"#0 end .*" \
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"cease trace debugging"
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set pf_prefix $old_pf_prefix
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}
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proc gdb_trace_collection_test {} {
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gdb_collect_globals_test
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}
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clean_restart $executable
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runto_main
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# We generously give ourselves one "pass" if we successfully
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# detect that this test cannot be run on this target!
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if { ![gdb_target_supports_trace] } then {
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pass "Current target does not support trace"
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return 1;
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}
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# Body of test encased in a proc so we can return prematurely.
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gdb_trace_collection_test
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# Finished!
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gdb_test "tfind none" ".*" ""
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