936 lines
30 KiB
Text
936 lines
30 KiB
Text
# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
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# 2000, 2002, 2003
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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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Rob Savoye. (rob@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "break"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
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}
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if [get_compiler_info ${binfile}] {
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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if [target_info exists gdb_stub] {
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gdb_step_for_stub;
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}
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#
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# test simple breakpoint setting commands
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#
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# Test deleting all breakpoints when there are none installed,
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# GDB should not prompt for confirmation.
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# Note that gdb-init.exp provides a "delete_breakpoints" proc
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# for general use elsewhere.
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send_gdb "delete breakpoints\n"
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gdb_expect {
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-re "Delete all breakpoints.*$" {
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send_gdb "y\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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fail "Delete all breakpoints when none (unexpected prompt)"
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}
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timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
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}
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}
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-re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
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timeout { fail "Delete all breakpoints when none (timeout)" }
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}
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#
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# test break at function
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#
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gdb_test "break main" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function"
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#
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# test break at quoted function
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#
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gdb_test "break \"marker2\"" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint quoted function"
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#
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# test break at function in file
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#
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gdb_test "break $srcfile:factorial" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function in file"
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#
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# test break at line number
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#
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# Note that the default source file is the last one whose source text
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# was printed. For native debugging, before we've executed the
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# program, this is the file containing main, but for remote debugging,
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# it's wherever the processor was stopped when we connected to the
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# board. So, to be sure, we do a list command.
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#
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gdb_test "list main" \
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".*main \\(argc, argv, envp\\).*" \
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"use `list' to establish default source file"
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gdb_test "break 79" \
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"Breakpoint.*at.* file .*$srcfile, line 79\\." \
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"breakpoint line number"
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#
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# test duplicate breakpoint
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#
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gdb_test "break 79" \
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"Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 79\\." \
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"breakpoint duplicate"
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#
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# test break at line number in file
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#
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gdb_test "break $srcfile:85" \
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"Breakpoint.*at.* file .*$srcfile, line 85\\." \
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"breakpoint line number in file"
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#
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# Test putting a break at the start of a multi-line if conditional.
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# Verify the breakpoint was put at the start of the conditional.
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#
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gdb_test "break multi_line_if_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line 109\\." \
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"breakpoint at start of multi line if conditional"
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gdb_test "break multi_line_while_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line 124\\." \
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"breakpoint at start of multi line while conditional"
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#
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# check to see what breakpoints are set
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#
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if [target_info exists gdb_stub] {
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set main_line 72
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} else {
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set main_line 75
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}
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if {$hp_aCC_compiler} {
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set proto "\\(int\\)"
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} else {
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set proto ""
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}
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gdb_test "info break" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile:4\[49\].*
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\[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:96.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:79.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:79.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:85.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:109.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:124" \
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"breakpoint info"
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# FIXME: The rest of this test doesn't work with anything that can't
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# handle arguments.
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# Huh? There doesn't *appear* to be anything that passes arguments
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# below.
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if [istarget "mips-idt-*"] then {
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return
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}
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#
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# run until the breakpoint at main is hit. For non-stubs-using targets.
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#
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if ![target_info exists use_gdb_stub] {
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if [istarget "*-*-vxworks*"] then {
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send_gdb "run vxmain \"2\"\n"
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set timeout 120
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verbose "Timeout is now $timeout seconds" 2
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} else {
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send_gdb "run\n"
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}
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gdb_expect {
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-re "The program .* has been started already.*y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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-re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
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{ pass "run until function breakpoint" }
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-re ".*$gdb_prompt $" { fail "run until function breakpoint" }
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timeout { fail "run until function breakpoint (timeout)" }
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}
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} else {
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if ![target_info exists gdb_stub] {
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gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue"
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}
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}
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#
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# run until the breakpoint at a line number
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:79.*79\[\t \]+printf.*factorial.*" \
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"run until breakpoint set at a line number"
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#
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# Run until the breakpoint set in a function in a file
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#
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for {set i 6} {$i >= 1} {incr i -1} {
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:96.*96\[\t \]+.*if .value > 1. \{.*" \
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"run until file:function($i) breakpoint"
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}
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#
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# Run until the breakpoint set at a quoted function
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:4\[49\].*" \
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"run until quoted breakpoint"
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#
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# run until the file:function breakpoint at a line number in a file
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:85.*85\[\t \]+argc = \\(argc == 12345\\);.*" \
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"run until file:linenum breakpoint"
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# Test break at offset +1
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gdb_test "break +1" \
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"Breakpoint.*at.* file .*$srcfile, line 86\\." \
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"breakpoint offset +1"
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# Check to see if breakpoint is hit when stepped onto
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gdb_test "step" \
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".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:86.*86\[\t \]+return argc;" \
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"step onto breakpoint"
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#
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# delete all breakpoints so we can start over, course this can be a test too
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#
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delete_breakpoints
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#
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# test temporary breakpoint at function
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#
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gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
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#
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# test break at function in file
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#
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gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
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"Temporary breakpoint function in file"
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#
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# test break at line number
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#
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send_gdb "tbreak 79\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line 79.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
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timeout { fail "breakpoint line number #1 (timeout)" }
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}
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gdb_test "tbreak 75" "Breakpoint.*at.* file .*$srcfile, line 75.*" "Temporary breakpoint line number #2"
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#
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# test break at line number in file
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#
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send_gdb "tbreak $srcfile:85\n"
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gdb_expect {
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-re "Breakpoint.*at.* file .*$srcfile, line 85.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
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-re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
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timeout { fail "Temporary breakpoint line number in file #1 (timeout)" }
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}
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gdb_test "tbreak $srcfile:81" "Breakpoint.*at.* file .*$srcfile, line 81.*" "Temporary breakpoint line number in file #2"
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#
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# check to see what breakpoints are set (temporary this time)
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#
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gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:96.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:79.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:75.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:85.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:81.*" \
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"Temporary breakpoint info"
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#***********
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# Verify that catchpoints for fork, vfork and exec don't trigger
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# inappropriately. (There are no calls to those system functions
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# in this test program.)
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#
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if ![runto_main] then { fail "break tests suppressed" }
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send_gdb "catch\n"
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gdb_expect {
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-re "Catch requires an event name.*$gdb_prompt $"\
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{pass "catch requires an event name"}
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-re "$gdb_prompt $"\
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{fail "catch requires an event name"}
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timeout {fail "(timeout) catch requires an event name"}
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}
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set name "set catch fork, never expected to trigger"
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send_gdb "catch fork\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
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{pass $name}
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-re "Catch of fork not yet implemented.*$gdb_prompt $"
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{pass $name}
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-re "$gdb_prompt $"
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{fail $name}
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timeout {fail "(timeout) $name"}
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}
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set name "set catch vfork, never expected to trigger"
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send_gdb "catch vfork\n"
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# If we are on HP-UX 10.20, we expect an error message to be
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# printed if we type "catch vfork" at the gdb gdb_prompt. This is
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# because on HP-UX 10.20, we cannot catch vfork events.
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if [istarget "hppa*-hp-hpux10.20"] then {
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gdb_expect {
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-re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
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{pass $name}
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-re "$gdb_prompt $"
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{fail $name}
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timeout {fail "(timeout) $name"}
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}
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} else {
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gdb_expect {
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-re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
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{pass $name}
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-re "Catch of vfork not yet implemented.*$gdb_prompt $"
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{pass $name}
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-re "$gdb_prompt $"
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{fail $name}
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timeout {fail "(timeout) $name"}
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}
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}
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set name "set catch exec, never expected to trigger"
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send_gdb "catch exec\n"
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gdb_expect {
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-re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
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{pass $name}
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-re "Catch of exec not yet implemented.*$gdb_prompt $"
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{pass $name}
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-re "$gdb_prompt $" {fail $name}
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timeout {fail "(timeout) $name"}
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}
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# Verify that GDB responds gracefully when asked to set a breakpoint
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# on a nonexistent source line.
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#
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send_gdb "break 999\n"
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gdb_expect {
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-re "No line 999 in file .*$gdb_prompt $"\
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{pass "break on non-existent source line"}
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-re "$gdb_prompt $"\
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{fail "break on non-existent source line"}
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timeout {fail "(timeout) break on non-existent source line"}
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}
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# Run to the desired default location. If not positioned here, the
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# tests below don't work.
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#
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gdb_test "until 79" "main .* at .*:79.*" "until 79"
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# Verify that GDB allows one to just say "break", which is treated
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# as the "default" breakpoint. Note that GDB gets cute when printing
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# the informational message about other breakpoints at the same
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# location. We'll hit that bird with this stone too.
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#
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send_gdb "break\n"
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gdb_expect {
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-re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
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{pass "break on default location, 1st time"}
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-re "$gdb_prompt $"\
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{fail "break on default location, 1st time"}
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timeout {fail "(timeout) break on default location, 1st time"}
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}
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send_gdb "break\n"
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gdb_expect {
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-re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
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{pass "break on default location, 2nd time"}
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-re "$gdb_prompt $"\
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{fail "break on default location, 2nd time"}
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timeout {fail "(timeout) break on default location, 2nd time"}
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}
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send_gdb "break\n"
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gdb_expect {
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-re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
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{pass "break on default location, 3rd time"}
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-re "$gdb_prompt $"\
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{fail "break on default location, 3rd time"}
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timeout {fail "(timeout) break on default location, 3rd time"}
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}
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send_gdb "break\n"
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gdb_expect {
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-re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
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{pass "break on default location, 4th time"}
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-re "$gdb_prompt $"\
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{fail "break on default location, 4th time"}
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timeout {fail "(timeout) break on default location, 4th time"}
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}
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# Verify that a "silent" breakpoint can be set, and that GDB is indeed
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# "silent" about its triggering.
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#
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if ![runto_main] then { fail "break tests suppressed" }
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send_gdb "break 79\n"
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gdb_expect {
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-re "Breakpoint (\[0-9\]*) at .*, line 79.*$gdb_prompt $"\
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{pass "set to-be-silent break 79"}
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-re "$gdb_prompt $"\
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{fail "set to-be-silent break 79"}
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timeout {fail "(timeout) set to-be-silent break 79"}
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}
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send_gdb "commands $expect_out(1,string)\n"
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send_gdb "silent\n"
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send_gdb "end\n"
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gdb_expect {
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-re ".*$gdb_prompt $"\
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{pass "set silent break 79"}
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timeout {fail "(timeout) set silent break 79"}
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}
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send_gdb "info break $expect_out(1,string)\n"
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gdb_expect {
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-re "\[0-9\]*\[ \t\]*breakpoint.*:79\r\n\[ \t\]*silent.*$gdb_prompt $"\
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{pass "info silent break 79"}
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-re "$gdb_prompt $"\
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{fail "info silent break 79"}
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timeout {fail "(timeout) info silent break 79"}
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}
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send_gdb "continue\n"
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gdb_expect {
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-re "Continuing.\r\n$gdb_prompt $"\
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{pass "hit silent break 79"}
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-re "$gdb_prompt $"\
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{fail "hit silent break 79"}
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timeout {fail "(timeout) hit silent break 79"}
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}
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send_gdb "bt\n"
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gdb_expect {
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-re "#0 main .* at .*:79.*$gdb_prompt $"\
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{pass "stopped for silent break 79"}
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-re "$gdb_prompt $"\
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{fail "stopped for silent break 79"}
|
|
timeout {fail "(timeout) stopped for silent break 79"}
|
|
}
|
|
|
|
# Verify that GDB can at least parse a breakpoint with the
|
|
# "thread" keyword. (We won't attempt to test here that a
|
|
# thread-specific breakpoint really triggers appropriately.
|
|
# The gdb.threads subdirectory contains tests for that.)
|
|
#
|
|
send_gdb "break 80 thread 999\n"
|
|
gdb_expect {
|
|
-re "Unknown thread 999.*$gdb_prompt $"\
|
|
{pass "thread-specific breakpoint on non-existent thread disallowed"}
|
|
-re "$gdb_prompt $"\
|
|
{fail "thread-specific breakpoint on non-existent thread disallowed"}
|
|
timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
|
|
}
|
|
send_gdb "break 80 thread foo\n"
|
|
gdb_expect {
|
|
-re "Junk after thread keyword..*$gdb_prompt $"\
|
|
{pass "thread-specific breakpoint on bogus thread ID disallowed"}
|
|
-re "$gdb_prompt $"\
|
|
{fail "thread-specific breakpoint on bogus thread ID disallowed"}
|
|
timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
|
|
}
|
|
|
|
# Verify that GDB responds gracefully to a breakpoint command with
|
|
# trailing garbage.
|
|
#
|
|
send_gdb "break 80 foo\n"
|
|
gdb_expect {
|
|
-re "Junk at end of arguments..*$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 $"\
|
|
{fail "clear current line has no breakpoint disallowed"}
|
|
timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
|
|
}
|
|
|
|
# Verify that we can set and clear multiple breakpoints.
|
|
#
|
|
# We don't test that it deletes the correct breakpoints. We do at
|
|
# least test that it deletes more than one breakpoint.
|
|
#
|
|
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
|
|
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
|
|
gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
|
|
|
|
# Verify that a breakpoint can be set via a convenience variable.
|
|
#
|
|
send_gdb "set \$foo=81\n"
|
|
gdb_expect {
|
|
-re "$gdb_prompt $"\
|
|
{pass "set convenience variable \$foo to 81"}
|
|
timeout {fail "(timeout) set convenience variable \$foo to 81"}
|
|
}
|
|
send_gdb "break \$foo\n"
|
|
gdb_expect {
|
|
-re "Breakpoint (\[0-9\]*) at .*, line 81.*$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 4\[49\].*$gdb_prompt $"\
|
|
{pass "set breakpoint on to-be-called function"}
|
|
-re "$gdb_prompt $"\
|
|
{fail "set breakpoint on to-be-called function"}
|
|
timeout {fail "(timeout) set breakpoint on to-be-called function"}
|
|
}
|
|
send_gdb "print marker2(99)\n"
|
|
gdb_expect {
|
|
-re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. 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.*:4\[49\]\r\n#1.*_sr4export.*$gdb_prompt $"\
|
|
{pass "backtrace while in called function"}
|
|
-re "#0\[ \t\]*($hex in )?marker2.*:4\[49\]\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 .*4\[49\]\r\n.* in _sr4export.*$gdb_prompt $"\
|
|
{pass "finish from called function"}
|
|
-re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*function called from gdb.*$gdb_prompt $"\
|
|
{pass "finish from called function"}
|
|
-re "Run till exit from .*marker2.* at .*4\[49\]\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
|
|
|
|
|
|
#********
|
|
|
|
# build a new file with optimization enabled so that we can try breakpoints
|
|
# on targets with optimized prologues
|
|
|
|
set binfileo2 ${objdir}/${subdir}/${testfile}o2
|
|
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfileo2}" executable {debug additional_flags="-O2" }] != "" } {
|
|
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
|
}
|
|
|
|
if [get_compiler_info ${binfileo2}] {
|
|
return -1
|
|
}
|
|
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfileo2}
|
|
|
|
if [target_info exists gdb_stub] {
|
|
gdb_step_for_stub;
|
|
}
|
|
|
|
#
|
|
# test break at function
|
|
#
|
|
gdb_test "break main" \
|
|
"Breakpoint.*at.* file .*$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:75.*75\[\t \]+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:75.*75\[\t \]+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.
|
|
|
|
send_gdb "continue\n"
|
|
gdb_expect {
|
|
-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
|
|
pass "run until breakpoint set at small function, optimized file"
|
|
}
|
|
-re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
|
|
pass "run until breakpoint set at small function, optimized file"
|
|
}
|
|
-re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:46\[\r\n\]+46\[\t \]+void marker4.*" {
|
|
# marker4() is defined at line 46 when compiled with -DPROTOTYPES
|
|
pass "run until breakpoint set at small function, optimized file (line 46)"
|
|
}
|
|
-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 $" {}
|
|
}
|