diff options
| -rw-r--r-- | gdb/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/sepdebug.c | 150 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/sepdebug.exp | 982 | ||||
| -rw-r--r-- | gdb/testsuite/lib/gdb.exp | 84 |
4 files changed, 1223 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 1768cb3..fec3158 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2004-01-12 Elena Zannoni <ezannoni@redhat.com> + + * gdb.base/sepdebug.exp: New file. + * gdb.base/sepdebug.c: New file. + * lib/gdb.exp (separate_debug_filename): New procedure. + (gdb_gnu_strip_debug): New procedure. + 2004-01-12 Andrew Cagney <cagney@redhat.com> * gdb.mi/ChangeLog: Delete file. Renamed to ... diff --git a/gdb/testsuite/gdb.base/sepdebug.c b/gdb/testsuite/gdb.base/sepdebug.c new file mode 100644 index 0000000..adb6921 --- /dev/null +++ b/gdb/testsuite/gdb.base/sepdebug.c @@ -0,0 +1,150 @@ +/* Copyright 1994, 1995, 1999, 2002, 2003, 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 */ + +#ifdef vxworks + +# include <stdio.h> + +/* VxWorks does not supply atoi. */ +static int +atoi (z) + char *z; +{ + int i = 0; + + while (*z >= '0' && *z <= '9') + i = i * 10 + (*z++ - '0'); + return i; +} + +/* I don't know of any way to pass an array to VxWorks. This function + can be called directly from gdb. */ + +vxmain (arg) +char *arg; +{ + char *argv[2]; + + argv[0] = ""; + argv[1] = arg; + main (2, argv, (char **) 0); +} + +#else /* ! vxworks */ +# include <stdio.h> +# include <stdlib.h> +#endif /* ! vxworks */ + +/* + * The following functions do nothing useful. They are included simply + * as places to try setting breakpoints at. They are explicitly + * "one-line functions" to verify that this case works (some versions + * of gcc have or have had problems with this). + */ + +#ifdef PROTOTYPES +int marker1 (void) { return (0); } +int marker2 (int a) { return (1); } /* set breakpoint 8 here */ +void marker3 (char *a, char *b) {} +void marker4 (long d) {} /* set breakpoint 14 here */ +#else +int marker1 () { return (0); } +int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ +void marker3 (a, b) char *a, *b; {} +void marker4 (d) long d; {} /* set breakpoint 13 here */ +#endif + +/* + * This simple classical example of recursion is useful for + * testing stack backtraces and such. + */ + +#ifdef PROTOTYPES +int factorial(int); + +int +main (int argc, char **argv, char **envp) +#else +int +main (argc, argv, envp) +int argc; +char *argv[], **envp; +#endif +{ +#ifdef usestubs + set_debug_traps(); /* set breakpoint 5 here */ + breakpoint(); +#endif + if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ + fprintf (stderr, "usage: factorial <number>\n"); + return 1; + } + printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ + /* set breakpoint 12 here */ + marker1 (); /* set breakpoint 11 here */ + marker2 (43); + marker3 ("stack", "trace"); + marker4 (177601976L); + argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ + return argc; /* set breakpoint 10 here */ +} + +#ifdef PROTOTYPES +int factorial (int value) +#else +int factorial (value) +int value; +#endif +{ + if (value > 1) { /* set breakpoint 7 here */ + value *= factorial (value - 1); + } + return (value); +} + +#ifdef PROTOTYPES +int multi_line_if_conditional (int a, int b, int c) +#else +int multi_line_if_conditional (a, b, c) + int a, b, c; +#endif +{ + if (a /* set breakpoint 3 here */ + && b + && c) + return 0; + else + return 1; +} + +#ifdef PROTOTYPES +int multi_line_while_conditional (int a, int b, int c) +#else +int multi_line_while_conditional (a, b, c) + int a, b, c; +#endif +{ + while (a /* set breakpoint 4 here */ + && b + && c) + { + a--, b--, c--; + } + return 0; +} diff --git a/gdb/testsuite/gdb.base/sepdebug.exp b/gdb/testsuite/gdb.base/sepdebug.exp new file mode 100644 index 0000000..7a2a551 --- /dev/null +++ b/gdb/testsuite/gdb.base/sepdebug.exp @@ -0,0 +1,982 @@ +# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, +# 2000, 2002, 2003, 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 + +# Based on break.exp, written by Rob Savoye. (rob@cygnus.com) +# Modified to test gdb's handling of separate debug info files. + +# This file has two parts. The first is testing that gdb behaves +# normally after reading in an executable and its corresponding +# separate debug file. The second moves the .debug file to a different +# location and tests the "set debug-file-directory" command. + + +if $tracelevel then { + strace $tracelevel +} + +# +# test running programs +# +set prms_id 0 +set bug_id 0 + +set testfile "sepdebug" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# FIXME: this is nasty. We need to check for the stabs debug format. +# To do this we must run gdb on the unstripped executable, list 'main' +# (as to have a default source file), use get_debug_format (which does +# 'info source') and then see if the debug info is stabs. If so, we +# bail out. We cannot do this any other way because get_debug_format +# finds out the debug format using gdb itself, and in case of stabs we +# get an error loading the program if it is already stripped. An +# alternative would be to find out the debug info from the flags +# passed to dejagnu when the test is run. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} +gdb_test "list main" "" "" +get_debug_format +if { [test_debug_format "stabs"] } then { + # the separate debug info feature doesn't work well in binutils with stabs. + # It produces a corrupted debug info only file, and gdb chokes on it. + # It is almost impossible to capture the failing message out of gdb, + # because it happens inside gdb_load. At that point any error message + # is intercepted by dejagnu itself, and, because of the error threshold, + # any faulty test result is changed into an UNRESOLVED. + # (see dejagnu/lib/framework.exp) + unsupported "no separate debug info handling with stabs" + return -1 +} +gdb_exit + +# Note: the procedure gdb_gnu_strip_debug will produce an executable called +# ${binfile}, which is just like the executable ($binfile) but without +# the debuginfo. Instead $binfile has a .gnudebuglink section which contains +# the name of a idebuginfo only file. This file will be stored in the +# gdb.base/.debug subdirectory. + +if [gdb_gnu_strip_debug $binfile] { + unsupported "no separate debug info handling" + return -1 +} + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +if [target_info exists gdb_stub] { + gdb_step_for_stub; +} +# +# test simple breakpoint setting commands +# + +# Test deleting all breakpoints when there are none installed, +# GDB should not prompt for confirmation. +# Note that gdb-init.exp provides a "delete_breakpoints" proc +# for general use elsewhere. + +send_gdb "delete breakpoints\n" +gdb_expect { + -re "Delete all breakpoints.*$" { + send_gdb "y\n" + gdb_expect { + -re "$gdb_prompt $" { + fail "Delete all breakpoints when none (unexpected prompt)" + } + timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" } + } + } + -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" } + timeout { fail "Delete all breakpoints when none (timeout)" } +} + +# +# test break at function +# +gdb_test "break main" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function" + +# +# test break at quoted function +# +gdb_test "break \"marker2\"" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint quoted function" + +# +# test break at function in file +# +gdb_test "break $srcfile:factorial" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function in file" + +set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] + +# +# test break at line number +# +# Note that the default source file is the last one whose source text +# was printed. For native debugging, before we've executed the +# program, this is the file containing main, but for remote debugging, +# it's wherever the processor was stopped when we connected to the +# board. So, to be sure, we do a list command. +# +gdb_test "list main" \ + ".*main \\(argc, argv, envp\\).*" \ + "use `list' to establish default source file" +gdb_test "break $bp_location1" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \ + "breakpoint line number" + +# +# test duplicate breakpoint +# +gdb_test "break $bp_location1" \ + "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \ + "breakpoint duplicate" + +set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] + +# +# test break at line number in file +# +gdb_test "break $srcfile:$bp_location2" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \ + "breakpoint line number in file" + +set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] +set bp_location4 [gdb_get_line_number "set breakpoint 4 here"] + +# +# Test putting a break at the start of a multi-line if conditional. +# Verify the breakpoint was put at the start of the conditional. +# +gdb_test "break multi_line_if_conditional" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \ + "breakpoint at start of multi line if conditional" + +gdb_test "break multi_line_while_conditional" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \ + "breakpoint at start of multi line while conditional" + +set bp_location5 [gdb_get_line_number "set breakpoint 5 here"] +set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] + +# +# check to see what breakpoints are set +# +if [target_info exists gdb_stub] { + set main_line $bp_location5 +} else { + set main_line $bp_location6 +} + +set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] +set bp_location8 [gdb_get_line_number "set breakpoint 8 here"] +set bp_location9 [gdb_get_line_number "set breakpoint 9 here"] + +gdb_test "info break" \ + "Num Type\[ \]+Disp Enb Address\[ \]+What.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.* +\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).* +\[0-9\]+\[\t \]+breakpoint keep y.* in factorial at .*$srcfile:$bp_location7.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.* +\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.* +\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.* +\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \ + "breakpoint info" + +# FIXME: The rest of this test doesn't work with anything that can't +# handle arguments. +# Huh? There doesn't *appear* to be anything that passes arguments +# below. +if [istarget "mips-idt-*"] then { + return +} + +# +# run until the breakpoint at main is hit. For non-stubs-using targets. +# +if ![target_info exists use_gdb_stub] { + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"2\"\n" + set timeout 120 + verbose "Timeout is now $timeout seconds" 2 + } else { + send_gdb "run\n" + } + gdb_expect { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\ + { pass "run until function breakpoint" } + -re ".*$gdb_prompt $" { fail "run until function breakpoint" } + timeout { fail "run until function breakpoint (timeout)" } + } +} else { + if ![target_info exists gdb_stub] { + gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue" + } +} + +# +# run until the breakpoint at a line number +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \ + "run until breakpoint set at a line number" + +# +# Run until the breakpoint set in a function in a file +# +for {set i 6} {$i >= 1} {incr i -1} { + gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \ + "run until file:function($i) breakpoint" +} + +# +# Run until the breakpoint set at a quoted function +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \ + "run until quoted breakpoint" +# +# run until the file:function breakpoint at a line number in a file +# +gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \ + "run until file:linenum breakpoint" + +# Test break at offset +1 +set bp_location10 [gdb_get_line_number "set breakpoint 10 here"] + +gdb_test "break +1" \ + "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \ + "breakpoint offset +1" + +# Check to see if breakpoint is hit when stepped onto + +gdb_test "step" \ + ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \ + "step onto breakpoint" + +# +# delete all breakpoints so we can start over, course this can be a test too +# +delete_breakpoints + +# +# test temporary breakpoint at function +# + +gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function" + +# +# test break at function in file +# + +gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \ + "Temporary breakpoint function in file" + +# +# test break at line number +# +send_gdb "tbreak $bp_location1\n" +gdb_expect { + -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" } + -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number #1" } + timeout { fail "breakpoint line number #1 (timeout)" } +} + +gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2" + +# +# test break at line number in file +# +send_gdb "tbreak $srcfile:$bp_location2\n" +gdb_expect { + -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" } + -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" } + timeout { fail "Temporary breakpoint line number in file #1 (timeout)" } +} + +set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] +gdb_test "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2" + +# +# check to see what breakpoints are set (temporary this time) +# +gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\] +\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \ + "Temporary breakpoint info" + + +#*********** + +# Verify that catchpoints for fork, vfork and exec don't trigger +# inappropriately. (There are no calls to those system functions +# in this test program.) +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "catch\n" +gdb_expect { + -re "Catch requires an event name.*$gdb_prompt $"\ + {pass "catch requires an event name"} + -re "$gdb_prompt $"\ + {fail "catch requires an event name"} + timeout {fail "(timeout) catch requires an event name"} +} + + +set name "set catch fork, never expected to trigger" +send_gdb "catch fork\n" +gdb_expect { + -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" + {pass $name} + -re "Catch of fork not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} +} + + +set name "set catch vfork, never expected to trigger" +send_gdb "catch vfork\n" + +# If we are on HP-UX 10.20, we expect an error message to be +# printed if we type "catch vfork" at the gdb gdb_prompt. This is +# because on HP-UX 10.20, we cannot catch vfork events. + +if [istarget "hppa*-hp-hpux10.20"] then { + gdb_expect { + -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} + } +} else { + gdb_expect { + -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" + {pass $name} + -re "Catch of vfork not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" + {fail $name} + timeout {fail "(timeout) $name"} + } +} + +set name "set catch exec, never expected to trigger" +send_gdb "catch exec\n" +gdb_expect { + -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" + {pass $name} + -re "Catch of exec not yet implemented.*$gdb_prompt $" + {pass $name} + -re "$gdb_prompt $" {fail $name} + timeout {fail "(timeout) $name"} +} + +# Verify that GDB responds gracefully when asked to set a breakpoint +# on a nonexistent source line. +# +send_gdb "break 999\n" +gdb_expect { + -re "No line 999 in file .*$gdb_prompt $"\ + {pass "break on non-existent source line"} + -re "$gdb_prompt $"\ + {fail "break on non-existent source line"} + timeout {fail "(timeout) break on non-existent source line"} +} + +# Run to the desired default location. If not positioned here, the +# tests below don't work. +# +gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1" + + +# Verify that GDB allows one to just say "break", which is treated +# as the "default" breakpoint. Note that GDB gets cute when printing +# the informational message about other breakpoints at the same +# location. We'll hit that bird with this stone too. +# +send_gdb "break\n" +gdb_expect { + -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 1st time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 1st time"} + timeout {fail "(timeout) break on default location, 1st time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 2nd time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 2nd time"} + timeout {fail "(timeout) break on default location, 2nd time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 3rd time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 3rd time"} + timeout {fail "(timeout) break on default location, 3rd time"} +} + +send_gdb "break\n" +gdb_expect { + -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\ + {pass "break on default location, 4th time"} + -re "$gdb_prompt $"\ + {fail "break on default location, 4th time"} + timeout {fail "(timeout) break on default location, 4th time"} +} + +# Verify that a "silent" breakpoint can be set, and that GDB is indeed +# "silent" about its triggering. +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "break $bp_location1\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\ + {pass "set to-be-silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "set to-be-silent break bp_location1"} + timeout {fail "(timeout) set to-be-silent break bp_location1"} +} + +send_gdb "commands $expect_out(1,string)\n" +send_gdb "silent\n" +send_gdb "end\n" +gdb_expect { + -re ".*$gdb_prompt $"\ + {pass "set silent break bp_location1"} + timeout {fail "(timeout) set silent break bp_location1"} +} + +send_gdb "info break $expect_out(1,string)\n" +gdb_expect { + -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\ + {pass "info silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "info silent break bp_location1"} + timeout {fail "(timeout) info silent break bp_location1"} +} +send_gdb "continue\n" +gdb_expect { + -re "Continuing.\r\n$gdb_prompt $"\ + {pass "hit silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "hit silent break bp_location1"} + timeout {fail "(timeout) hit silent break bp_location1"} +} +send_gdb "bt\n" +gdb_expect { + -re "#0 main .* at .*:$bp_location1.*$gdb_prompt $"\ + {pass "stopped for silent break bp_location1"} + -re "$gdb_prompt $"\ + {fail "stopped for silent break bp_location1"} + timeout {fail "(timeout) stopped for silent break bp_location1"} +} + +# Verify that GDB can at least parse a breakpoint with the +# "thread" keyword. (We won't attempt to test here that a +# thread-specific breakpoint really triggers appropriately. +# The gdb.threads subdirectory contains tests for that.) +# +set bp_location12 [gdb_get_line_number "set breakpoint 12 here"] +send_gdb "break $bp_location12 thread 999\n" +gdb_expect { + -re "Unknown thread 999.*$gdb_prompt $"\ + {pass "thread-specific breakpoint on non-existent thread disallowed"} + -re "$gdb_prompt $"\ + {fail "thread-specific breakpoint on non-existent thread disallowed"} + timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"} +} +send_gdb "break $bp_location12 thread foo\n" +gdb_expect { + -re "Junk after thread keyword..*$gdb_prompt $"\ + {pass "thread-specific breakpoint on bogus thread ID disallowed"} + -re "$gdb_prompt $"\ + {fail "thread-specific breakpoint on bogus thread ID disallowed"} + timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"} +} + +# Verify that GDB responds gracefully to a breakpoint command with +# trailing garbage. +# +send_gdb "break $bp_location12 foo\n" +gdb_expect { + -re "Junk at end of arguments..*$gdb_prompt $"\ + {pass "breakpoint with trailing garbage disallowed"} + -re "$gdb_prompt $"\ + {fail "breakpoint with trailing garbage disallowed"} + timeout {fail "(timeout) breakpoint with trailing garbage disallowed"} +} + +# Verify that GDB responds gracefully to a "clear" command that has +# no matching breakpoint. (First, get us off the current source line, +# which we know has a breakpoint.) +# +send_gdb "next\n" +gdb_expect { + -re ".*$gdb_prompt $"\ + {pass "step over breakpoint"} + timeout {fail "(timeout) step over breakpoint"} +} +send_gdb "clear 81\n" +gdb_expect { + -re "No breakpoint at 81..*$gdb_prompt $"\ + {pass "clear line has no breakpoint disallowed"} + -re "$gdb_prompt $"\ + {fail "clear line has no breakpoint disallowed"} + timeout {fail "(timeout) clear line has no breakpoint disallowed"} +} +send_gdb "clear\n" +gdb_expect { + -re "No breakpoint at this line..*$gdb_prompt $"\ + {pass "clear current line has no breakpoint disallowed"} + -re "$gdb_prompt $"\ + {fail "clear current line has no breakpoint disallowed"} + timeout {fail "(timeout) clear current line has no breakpoint disallowed"} +} + +# Verify that we can set and clear multiple breakpoints. +# +# We don't test that it deletes the correct breakpoints. We do at +# least test that it deletes more than one breakpoint. +# +gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1" +gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2" +gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*} + +# Verify that a breakpoint can be set via a convenience variable. +# +send_gdb "set \$foo=$bp_location11\n" +gdb_expect { + -re "$gdb_prompt $"\ + {pass "set convenience variable \$foo to bp_location11"} + timeout {fail "(timeout) set convenience variable \$foo to bp_location11"} +} +send_gdb "break \$foo\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\ + {pass "set breakpoint via convenience variable"} + -re "$gdb_prompt $"\ + {fail "set breakpoint via convenience variable"} + timeout {fail "(timeout) set breakpoint via convenience variable"} +} + +# Verify that GDB responds gracefully to an attempt to set a +# breakpoint via a convenience variable whose type is not integer. +# +send_gdb "set \$foo=81.5\n" +gdb_expect { + -re "$gdb_prompt $"\ + {pass "set convenience variable \$foo to 81.5"} + timeout {fail "(timeout) set convenience variable \$foo to 81.5"} +} +send_gdb "break \$foo\n" +gdb_expect { + -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\ + {pass "set breakpoint via non-integer convenience variable disallowed"} + -re "$gdb_prompt $"\ + {fail "set breakpoint via non-integer convenience variable disallowed"} + timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"} +} + +# Verify that we can set and trigger a breakpoint in a user-called function. +# +send_gdb "break marker2\n" +gdb_expect { + -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\ + {pass "set breakpoint on to-be-called function"} + -re "$gdb_prompt $"\ + {fail "set breakpoint on to-be-called function"} + timeout {fail "(timeout) set breakpoint on to-be-called function"} +} +send_gdb "print marker2(99)\n" +gdb_expect { + -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\ + {pass "hit breakpoint on called function"} + -re "$gdb_prompt $"\ + {fail "hit breakpoint on called function"} + timeout {fail "(timeout) hit breakpoint on called function"} +} + +# As long as we're stopped (breakpointed) in a called function, +# verify that we can successfully backtrace & such from here. +# +# In this and the following test, the _sr4export check apparently is needed +# for hppa*-*-hpux. +# +send_gdb "bt\n" +gdb_expect { + -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\ + {pass "backtrace while in called function"} + -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\ + {pass "backtrace while in called function"} + -re "$gdb_prompt $"\ + {fail "backtrace while in called function"} + timeout {fail "(timeout) backtrace while in called function"} +} + +# Return from the called function. For remote targets, it's important to do +# this before runto_main, which otherwise may silently stop on the dummy +# breakpoint inserted by GDB at the program's entry point. +# +send_gdb "finish\n" +gdb_expect { + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\ + {pass "finish from called function"} + -re "$gdb_prompt $"\ + {fail "finish from called function"} + timeout {fail "(timeout) finish from called function"} +} + +# Verify that GDB responds gracefully to a "finish" command with +# arguments. +# +if ![runto_main] then { fail "break tests suppressed" } + +send_gdb "finish 123\n" +gdb_expect { + -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\ + {pass "finish with arguments disallowed"} + -re "$gdb_prompt $"\ + {fail "finish with arguments disallowed"} + timeout {fail "(timeout) finish with arguments disallowed"} +} + +# Verify that GDB responds gracefully to a request to "finish" from +# the outermost frame. On a stub that never exits, this will just +# run to the stubs routine, so we don't get this error... Thus the +# second condition. +# + +send_gdb "finish\n" +gdb_expect { + -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\ + {pass "finish from outermost frame disallowed"} + -re "Run till exit from.*\r\n$gdb_prompt $" { + pass "finish from outermost frame disallowed" + } + -re "$gdb_prompt $"\ + {fail "finish from outermost frame disallowed"} + timeout {fail "(timeout) finish from outermost frame disallowed"} +} + +# Verify that we can explicitly ask GDB to stop on all shared library +# events, and that it does so. +# +if [istarget "hppa*-*-hpux*"] then { + if ![runto_main] then { fail "break tests suppressed" } + + send_gdb "set stop-on-solib-events 1\n" + gdb_expect { + -re "$gdb_prompt $"\ + {pass "set stop-on-solib-events"} + timeout {fail "(timeout) set stop-on-solib-events"} + } + + send_gdb "run\n" + gdb_expect { + -re ".*Start it from the beginning.*y or n. $"\ + {send_gdb "y\n" + gdb_expect { + -re ".*Stopped due to shared library event.*$gdb_prompt $"\ + {pass "triggered stop-on-solib-events"} + -re "$gdb_prompt $"\ + {fail "triggered stop-on-solib-events"} + timeout {fail "(timeout) triggered stop-on-solib-events"} + } + } + -re "$gdb_prompt $"\ + {fail "rerun for stop-on-solib-events"} + timeout {fail "(timeout) rerun for stop-on-solib-events"} + } + + send_gdb "set stop-on-solib-events 0\n" + gdb_expect { + -re "$gdb_prompt $"\ + {pass "reset stop-on-solib-events"} + timeout {fail "(timeout) reset stop-on-solib-events"} + } +} + +# Hardware breakpoints are unsupported on HP-UX. Verify that GDB +# gracefully responds to requests to create them. +# +if [istarget "hppa*-*-hpux*"] then { + if ![runto_main] then { fail "break tests suppressed" } + + send_gdb "hbreak\n" + gdb_expect { + -re "No hardware breakpoint support in the target.*$gdb_prompt $"\ + {pass "hw breaks disallowed"} + -re "$gdb_prompt $"\ + {fail "hw breaks disallowed"} + timeout {fail "(timeout) hw breaks disallowed"} + } + + send_gdb "thbreak\n" + gdb_expect { + -re "No hardware breakpoint support in the target.*$gdb_prompt $"\ + {pass "temporary hw breaks disallowed"} + -re "$gdb_prompt $"\ + {fail "temporary hw breaks disallowed"} + timeout {fail "(timeout) temporary hw breaks disallowed"} + } +} + +#******** + + +# +# Test "next" over recursive function call. +# + +proc test_next_with_recursion {} { + global gdb_prompt + global decimal + global binfile + + if [target_info exists use_gdb_stub] { + # Reload the program. + delete_breakpoints + gdb_load ${binfile}; + } else { + # FIXME: should be using runto + gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y" + + delete_breakpoints + } + + gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial" + + # Run until we call factorial with 6 + + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"6\"\n" + } else { + gdb_run_cmd + } + gdb_expect { + -re "Break.* factorial .value=6. .*$gdb_prompt $" {} + -re ".*$gdb_prompt $" { + fail "run to factorial(6)"; + gdb_suppress_tests; + } + timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests } + } + + # Continue until we call factorial recursively with 5. + + if [gdb_test "continue" \ + "Continuing.*Break.* factorial .value=5. .*" \ + "continue to factorial(5)"] then { gdb_suppress_tests } + + # Do a backtrace just to confirm how many levels deep we are. + + if [gdb_test "backtrace" \ + "#0\[ \t\]+ factorial .value=5..*" \ + "backtrace from factorial(5)"] then { gdb_suppress_tests } + + # Now a "next" should position us at the recursive call, which + # we will be performing with 4. + + if [gdb_test "next" \ + ".* factorial .value - 1.;.*" \ + "next to recursive call"] then { gdb_suppress_tests } + + # Disable the breakpoint at the entry to factorial by deleting them all. + # The "next" should run until we return to the next line from this + # recursive call to factorial with 4. + # Buggy versions of gdb will stop instead at the innermost frame on + # the line where we are trying to "next" to. + + delete_breakpoints + + if [istarget "mips*tx39-*"] { + set timeout 60 + } + # We used to set timeout here for all other targets as well. This + # is almost certainly wrong. The proper timeout depends on the + # target system in use, and how we communicate with it, so there + # is no single value appropriate for all targets. The timeout + # should be established by the Dejagnu config file(s) for the + # board, and respected by the test suite. + # + # For example, if I'm running GDB over an SSH tunnel talking to a + # portmaster in California talking to an ancient 68k board running + # a crummy ROM monitor (a situation I can only wish were + # hypothetical), then I need a large timeout. But that's not the + # kind of knowledge that belongs in this file. + + gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \ + "next over recursive call" + + # OK, we should be back in the same stack frame we started from. + # Do a backtrace just to confirm. + + set result [gdb_test "backtrace" \ + "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \ + "backtrace from factorial(5.1)"] + if { $result != 0 } { gdb_suppress_tests } + + if [target_info exists gdb,noresults] { gdb_suppress_tests } + gdb_continue_to_end "recursive next test" + gdb_stop_suppressing_tests; +} + +test_next_with_recursion + + +#******** + +# now move the .debug file to a different location so that we can test +# the "set debug-file-directory" command. + +remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}" +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_test "set debug-file-directory ${objdir}/${subdir}" ".*" "set separate debug location" +gdb_load ${binfile} + +if [target_info exists gdb_stub] { + gdb_step_for_stub; +} + +# +# test break at function +# +gdb_test "break main" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint function, optimized file" + +# +# test break at function +# +gdb_test "break marker4" \ + "Breakpoint.*at.* file .*$srcfile, line.*" \ + "breakpoint small function, optimized file" + +# +# run until the breakpoint at main is hit. For non-stubs-using targets. +# +if ![target_info exists use_gdb_stub] { + if [istarget "*-*-vxworks*"] then { + send_gdb "run vxmain \"2\"\n" + set timeout 120 + verbose "Timeout is now $timeout seconds" 2 + } else { + send_gdb "run\n" + } + gdb_expect { + -re "The program .* has been started already.*y or n. $" { + send_gdb "y\n" + exp_continue + } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\ + { pass "run until function breakpoint, optimized file" } + -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\ + { pass "run until function breakpoint, optimized file (code motion)" } + -re ".*$gdb_prompt $" { fail "run until function breakpoint, optimized file" } + timeout { fail "run until function breakpoint, optimized file (timeout)" } + } +} else { + if ![target_info exists gdb_stub] { + gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue, optimized file" + } +} + +# +# run until the breakpoint at a small function +# + +# +# Add a second pass pattern. The behavior differs here between stabs +# and dwarf for one-line functions. Stabs preserves two line symbols +# (one before the prologue and one after) with the same line number, +# but dwarf regards these as duplicates and discards one of them. +# Therefore the address after the prologue (where the breakpoint is) +# has no exactly matching line symbol, and GDB reports the breakpoint +# as if it were in the middle of a line rather than at the beginning. + +set bp_location13 [gdb_get_line_number "set breakpoint 13 here"] +set bp_location14 [gdb_get_line_number "set breakpoint 14 here"] +send_gdb "continue\n" +gdb_expect { + -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { + pass "run until breakpoint set at small function, optimized file" + } + -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { + pass "run until breakpoint set at small function, optimized file" + } + -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" { + # marker4() is defined at line 46 when compiled with -DPROTOTYPES + pass "run until breakpoint set at small function, optimized file (line bp_location14)" + } + -re ".*$gdb_prompt " { + fail "run until breakpoint set at small function, optimized file" + } + timeout { + fail "run until breakpoint set at small function, optimized file (timeout)" + } +} + + +# Reset the default arguments for VxWorks +if [istarget "*-*-vxworks*"] { + set timeout 10 + verbose "Timeout is now $timeout seconds" 2 + send_gdb "set args main\n" + gdb_expect -re ".*$gdb_prompt $" {} +} diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 136f68c..3f2938e 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -1918,3 +1918,87 @@ proc gdb_skip_bogus_test { msg } { return 0; } + +# Note: the procedure gdb_gnu_strip_debug will produce an executable called +# ${binfile}.dbglnk, which is just like the executable ($binfile) but without +# the debuginfo. Instead $binfile has a .gnu_debuglink section which contains +# the name of a idebuginfo only file. This file will be stored in the +# gdb.base/.debug subdirectory. + +# Functions for separate debug info testing + +# starting with an executable: +# foo --> original executable + +# at the end of the process we have: +# foo.stripped --> foo w/o debug info +# .debug/foo.debug --> foo's debug info +# foo --> like foo, but with a new .gnu_debuglink section pointing to foo.debug. + +# Return the name of the file in which we should stor EXEC's separated +# debug info. EXEC contains the full path. +proc separate_debug_filename { exec } { + + # In a .debug subdirectory off the same directory where the testcase + # executable is going to be. Something like: + # <your-path>/gdb/testsuite/gdb.base/.debug/blah.debug. + # This is the default location where gdb expects to findi + # the debug info file. + + set exec_dir [file dirname $exec] + set exec_file [file tail $exec] + set debug_dir [file join $exec_dir ".debug"] + set debug_file [file join $debug_dir "${exec_file}.debug"] + + return $debug_file +} + + +proc gdb_gnu_strip_debug { dest } { + + set debug_file [separate_debug_filename $dest] + set strip_to_file_program strip + set objcopy_program objcopy + + # Make sure the directory that will hold the separated debug + # info actually exists. + set debug_dir [file dirname $debug_file] + if {! [file isdirectory $debug_dir]} { + file mkdir $debug_dir + } + + set debug_link [file tail $debug_file] + set stripped_file "${dest}.stripped" + + # Get rid of the debug info, and store result in stripped_file + # something like gdb/testsuite/gdb.base/blah.stripped. + set result [catch "exec $strip_to_file_program --strip-debug ${dest} -o ${stripped_file}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + # Get rid of everything but the debug info, and store result in debug_file + # This will be in the .debug subdirectory, see above. + set result [catch "exec $strip_to_file_program --only-keep-debug ${dest} -o ${debug_file}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + # Link the two previous output files together, adding the .gnu_debuglink + # section to the stripped_file, containing a pointer to the debug_file, + # save the new file in dest. + # This will be the regular executable filename, in the usual location. + set result [catch "exec $objcopy_program --add-gnu-debuglink=${debug_file} ${stripped_file} ${dest}" output] + verbose "result is $result" + verbose "output is $output" + if {$result == 1} { + return 1 + } + + return 0 +} + |