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2011-12-13 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Implementing a Remote Stub): Explain that you should transfer control to the stub in the startup code instead of in main. Mention the need to get past the initial breakpoint. gdb/testsuite/ 2011-12-13 Pedro Alves <pedro@codesourcery.com> Doug Evans <dje@google.com> * lib/gdb.exp (gdb_run_cmd, runto_main, gdb_compile) (clean_restart): Remove references to the gdb_stub target board variable. (gdb_step_for_stub): Delete. * gdb.base/annota1.exp: Remove all references to [target_info exists gdb_stub], gdb_step_for_stub and usestubs. * gdb.base/annota3.exp: Ditto. * gdb.base/async.exp: Ditto. * gdb.base/break.exp: Ditto. * gdb.base/code-expr.exp: Ditto. * gdb.base/commands.exp: Ditto. * gdb.base/completion.exp: Ditto. * gdb.base/condbreak.exp: Ditto. * gdb.base/consecutive.exp: Ditto. * gdb.base/cvexpr.exp: Ditto. * gdb.base/define.exp: Ditto. * gdb.base/display.exp: Ditto. * gdb.base/ena-dis-br.exp: Ditto. * gdb.base/environ.exp: Ditto. * gdb.base/gnu-ifunc.exp: Ditto. * gdb.base/maint.exp: Ditto. * gdb.base/pending.exp: Ditto. * gdb.base/sect-cmd.exp: Ditto. * gdb.base/sepdebug.exp: Ditto. * gdb.base/unload.exp: Ditto. * gdb.base/watchpoint-solib.exp: Ditto. * gdb.cp/annota2.exp: Ditto. * gdb.cp/annota3.exp: Ditto. * gdb.dwarf2/dw2-inline-param.exp: Ditto. * gdb.hp/gdb.compat/xdb1.exp: Ditto. * gdb.mi/mi-pending.exp: Ditto. * gdb.trace/circ.exp: Ditto. * gdb.cp/ovldbreak.exp: Ditto. Adjust expected line numbers. * gdb.base/list.exp: Ditto. * gdb.base/all-types.c: Remove all calls to set_debug_traps and breakpoint function and all references to the usestubs macro. * gdb.base/exprs.c: Ditto. * gdb.base/freebpcmd.c: Ditto. * gdb.base/bitfields.c: Ditto. * gdb.base/bitfields2.c: Ditto. * gdb.base/break.c: Ditto. * gdb.base/call-sc.c: Ditto. * gdb.base/call-signals.c: Ditto. * gdb.base/callfuncs.c: Ditto. * gdb.base/charset.c: Ditto. * gdb.base/consecutive.c: Ditto. * gdb.base/constvars.c: Ditto. * gdb.base/funcargs.c: Ditto. * gdb.base/int-type.c: Ditto. * gdb.base/interrupt.c: Ditto. * gdb.base/langs0.c: Ditto. * gdb.base/list0.c: Ditto. * gdb.base/mips_pro.c: Ditto. * gdb.base/miscexprs.c: Ditto. * gdb.base/nodebug.c: Ditto. * gdb.base/opaque0.c: Ditto. * gdb.base/pointers.c: Ditto. * gdb.base/printcmds.c: Ditto. * gdb.base/ptype.c: Ditto. * gdb.base/recurse.c: Ditto. * gdb.base/reread1.c: Ditto. * gdb.base/reread2.c: Ditto. * gdb.base/restore.c: Ditto. * gdb.base/return.c: Ditto. * gdb.base/run.c: Ditto. * gdb.base/scope0.c: Ditto. * gdb.base/sepdebug.c: Ditto. * gdb.base/setshow.c: Ditto. * gdb.base/setvar.c: Ditto. * gdb.base/sigall.c: Ditto. * gdb.base/signals.c: Ditto. * gdb.base/structs.c: Ditto. * gdb.base/structs2.c: Ditto. * gdb.base/testenv.c: Ditto. * gdb.base/twice.c: Ditto. * gdb.base/unwindonsignal.c: Ditto. * gdb.base/watchpoint.c: Ditto. * gdb.base/watchpoints.c: Ditto. * gdb.base/whatis.c: Ditto. * gdb.cp/classes.cc: Ditto. * gdb.cp/cplusfuncs.cc: Ditto. * gdb.cp/derivation.cc: Ditto. * gdb.cp/formatted-ref.cc: Ditto. * gdb.cp/misc.cc: Ditto. * gdb.cp/overload.cc: Ditto. * gdb.cp/ovldbreak.cc: Ditto. * gdb.cp/ref-params.cc: Ditto. * gdb.cp/ref-types.cc: Ditto. * gdb.cp/templates.cc: Ditto. * gdb.cp/virtfunc.cc: Ditto. * gdb.hp/gdb.aCC/run.c: Ditto. * gdb.hp/gdb.base-hp/callfwmall.c: Ditto. * gdb.hp/gdb.compat/xdb0.c: Ditto. * gdb.reverse/consecutive-reverse.c: Ditto. * gdb.reverse/sigall-reverse.c: Ditto. * gdb.reverse/until-reverse.c: Ditto. * gdb.reverse/watch-reverse.c: Ditto. * gdb.trace/actions.c: Ditto. * gdb.trace/circ.c: Ditto. * gdb.trace/collection.c: Ditto.
219 lines
7.4 KiB
Text
219 lines
7.4 KiB
Text
# Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008, 2009, 2010, 2011
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# display.exp Test display commands
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# Also do some printing stuff for coverage's sake.
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#
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if $tracelevel then {
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strace $tracelevel
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}
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set testfile display
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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 nowarnings}] != "" } {
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untested display.exp
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return -1
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}
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# Preserve the old timeout, and set a new one that should be
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# sufficient to avoid timing out during this test.
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set oldtimeout $timeout
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set timeout [expr "$timeout + 60"]
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verbose "Timeout is now $timeout seconds" 2
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# use this to debug:
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#log_user 1
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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 ${binfile}
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# Some coverage stuff
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#
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if !$use_gdb_stub {
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gdb_test "kill" ".*The program is not being run.*"
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gdb_test "detach" ".*"
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gdb_test "run" ".*"
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gdb_load ${binfile}
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gdb_test "kill" ".*" "kill again"
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gdb_test "detach" ".*" "detach again"
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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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}
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# Ok, on to real life
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#
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if ![runto_main] then {
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fail "Could not run to main - other tests will fail."
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continue
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}
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# Disable hardware watchpoints if necessary.
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if [target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 0" ""
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}
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set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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gdb_test "break $bp_location1" ".*Breakpoint 2.*" "break do_loops"
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gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops"
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# Create stopping points.
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#
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gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch"
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set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
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gdb_test "break $bp_location2" ".*Breakpoint 4.*" "break loop end"
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# Create displays for those points
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#
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gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
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gdb_test "disp i" ".*1: i = 0.*" "display i"
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gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
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gdb_test "disp/i &k" ".*3: x/i &k(\r\n| ) $hex:.*" "display &k"
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gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
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gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum"
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# Hit the displays
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#
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gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 3.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"
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gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 4.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"
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gdb_test "enab disp 6" ".*No display number 6..*" "catch err"
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gdb_test_no_output "disab disp 1" "disab disp 1"
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gdb_test_no_output "disab disp 2" "disab disp 2"
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gdb_test_no_output "enab disp 1" "re-enab"
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gdb_test_no_output "enab disp 1" "re-enab of enab"
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gdb_test_no_output "undisp 5" "undisp"
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gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp"
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gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
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gdb_test "undisp" \
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"" \
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"undisp all" \
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".*Delete all auto-display expressions.*y or n. $" \
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"y"
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# Test displaying a variable that is temporarily at a bad address.
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# But if we can examine what's at memory address 0, then we'll also be
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# able to display it without error. Don't run the test in that case.
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set can_read_0 0
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gdb_test_multiple "x 0" "memory at address 0" {
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-re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
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-re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
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-re ".*$gdb_prompt $" {
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set can_read_0 1
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}
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}
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if { !$can_read_0 } {
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gdb_test "disp *p_i" ".*: \\*p_i = 0"
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gdb_test "p p_i = 0x0" " = \\(int \\*\\) 0x0"
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gdb_test "display" ".*: \\*p_i = <error: .*>" "display bad address"
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gdb_test "p p_i = &i" " = \\(int \\*\\) $hex"
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gdb_test "display" ".*: \\*p_i = 0" "display good address"
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gdb_test "undisp" \
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"" \
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"undisp all again" \
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".*Delete all auto-display expressions.*y or n. $" \
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"y"
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}
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gdb_test "disab 3" ".*.*" "disab 3"
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gdb_test "cont" ".*Breakpoint 4.*" "watch off"
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# Now the printf tests
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#
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# The "finish" command may leave us mid-line in the caller on some
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# targets, including but not limited to the m68k, i386 & PA. So we
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# have to arrange to step until we hit the line with the call to
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# "do_vars".
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gdb_test_multiple "finish" "finish" {
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-re ".*do_loops\\(\\);.*$gdb_prompt $" {
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send_gdb "step\n"
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exp_continue
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}
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-re ".*do_vars.*$gdb_prompt $" {
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pass "finish"
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}
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}
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gdb_test "step" ".*do_vars.*.*i = 9.*"
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set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
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gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars"
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gdb_test "cont" ".*do_vars.*$bp_location3.*$bp_location3.*"
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# Beat on printf a bit
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#
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gdb_test "printf" ".*Argument required.*"
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gdb_test "printf %d" ".*Bad format string, missing.*"
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gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
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gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
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gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
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gdb_test_no_output "printf \"\"" "re-set term"
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gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
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gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
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gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"
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gdb_test "printf \"%p\\n\", 1" "0x1"
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# play with "print", too
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#
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gdb_test "print/z j" ".*Undefined output format.*"
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gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1"
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gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a"
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gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2"
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gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a"
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gdb_test "print j" " = 0\[\\r\\n\]+" "debug test output 3"
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# x/0 j doesn't produce any output and terminates PA64 process when testing
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if [istarget "hppa2.0w-hp-hpux11*"] {
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xfail "'x/0 j' terminates PA64 process - skipped test point"
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} else {
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gdb_test_no_output "x/0 j"
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}
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if [istarget "hppa*-hp-hpux*"] {
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# on HP-UX you could access the first page without getting an error
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gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
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}
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gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
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gdb_test "print/s sum" " = 1000" "ignored s"
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gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
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gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
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# If the constant below is larger than the length of main, then
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# this test will (incorrectly) fail. So use a small number.
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gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
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gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
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gdb_test "print/a &&j" ".*A .* error in expression.*"
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# Done!
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#
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gdb_exit
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# Restore the preserved old timeout value.
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return 0
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