# Copyright 1998 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# This file was written by Michael Snyder (msnyder@cygnus.com)
load_lib "trace-support.exp";
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
gdb_exit
gdb_start
if [istarget "m68k-*-elf"] then {
load_lib "emc-support.exp";
set srcfile gdb_c_test.c
set binfile [board_info target d490_binfile];
gdb_test "set remotetimeout 6" "" ""
set timeout 500
gdb_target_monitor "$binfile"
# Give a TSTOP and ignore errors, to make sure any previous trace is off
gdb_test "tstop" "" ""
gdb_test "tfind none" "" ""
send_gdb "compare-sections CS\n"
gdb_expect {
-re "MIS-MATCHED.*$gdb_prompt $" {
gdb_suppress_entire_file "Symbol file does not match target!
all tests in this module will fail.";
}
-re ".*$gdb_prompt $" { }
}
} else {
set testfile "actions"
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."
}
gdb_load $binfile
gdb_test "tstop" "" ""
gdb_test "tfind none" "" ""
runto_main
}
gdb_reinitialize_dir $srcdir/$subdir
# We generously give ourselves one "pass" if we successfully
# detect that this test cannot be run on this target!
if { ![gdb_target_supports_trace] } then {
pass "Current target does not supporst trace"
return 1;
}
#
# test backtraces in trace frames
#
set testline1 0
set testline2 0
set testline3 0
set testline4 0
set testline5 0
set testline6 0
set arg1 1
set arg2 2
set arg3 3
set arg4 4
set arg5 5
set arg6 6
set baseline [gdb_find_recursion_test_baseline $srcfile];
if { $baseline == -1 } {
fail "Could not find gdb_recursion_test function"
return;
}
send_gdb "list $baseline, +12\n"
gdb_expect {
-re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " {
set testline1 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " {
set testline2 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " {
set testline3 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " {
set testline4 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " {
set testline5 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " {
set testline6 $expect_out(1,string)
exp_continue
}
-re ".*$gdb_prompt $" {
if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } {
gdb_suppress_entire_file "failed to locate test source lines:
all tests in this module will fail."
}
}
default {
gdb_suppress_entire_file "failed to locate test source lines (def):
all tests in this module will fail."
}
}
#
# Setup backtrace experiment. This will involve:
# 1) a tracepoint where nothing is collected
# 2) a tracepoint where only regs are collected
# 3) a tracepoint where regs, locals and args are collected
# 4) a tracepoint where regs plus some amount of stack are collected.
#
gdb_delete_tracepoints
set tdp2 [gdb_gettpnum $testline2]
set tdp3 [gdb_gettpnum $testline3]
set tdp4 [gdb_gettpnum $testline4]
set tdp5 [gdb_gettpnum $testline5]
set tdp6 [gdb_gettpnum $testline6]
if { $tdp2 <= 0 || $tdp3 <= 0 || \
$tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then {
fail "setting tracepoints failed"
return;
}
#gdb_trace_setactions "setup TP to collect FP" \
# "$tdp2" \
# "collect \$fp" ""
#
gdb_trace_setactions "8.6: setup TP to collect regs" \
"$tdp3" \
"collect \$regs" "^$"
gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
"$tdp4" \
"collect \$regs, \$args, \$locs" "^$"
gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
"$tdp6" \
"collect \$fp, \(\*\(void \*\*\) \(\$sp\)\) @ 64" "^$"
gdb_test "tstart" "" ""
if [istarget "m68k-*-elf"] then {
gdb_emclaptop_command "85,$arg1,$arg2,$arg3,$arg4,$arg5,$arg6"
sleep 5
} else {
gdb_test "break end" "" ""
gdb_test "continue" \
"Continuing.*Breakpoint $decimal, end.*" \
"run trace experiment"
}
gdb_test "tstop" "" ""
proc gdb_backtrace_tdp_1 { msg } {
global gdb_prompt
# We are in a trace frame at which we didn't collect anything
# except $PC. Therefore we expect to be able to identify stack
# frame #0, but that's about all. In particular we do not expect
# to be able to display the function's arguments or locals, and we
# do not expect to be able to identify the caller of this function.
send_gdb "backtrace\n"
gdb_expect {
-re "#0\[\t \]+gdb_recursion_test.*depth=.*$gdb_prompt $" {
pass "$msg"
}
-re ".*$gdb_prompt $" {
fail "$msg"
}
timeout { fail "$msg (timeout)" }
}
}
proc gdb_backtrace_tdp_2 { msg } {
global gdb_prompt
# We are in a trace frame at which we collected only the registers
# Therefore we expect to be able to identify stack frame #0, but
# we don't expect to be able to display its args unles they are
# passed in registers (which isn't the case for m68k), and we
# don't expect to be able to identify the caller's stack frame.
send_gdb "backtrace\n"
gdb_expect {
-re "#0\[\t \]+gdb_recursion_test.*depth=.*$gdb_prompt $" {
pass "$msg"
}
-re ".*$gdb_prompt $" {
fail "$msg"
}
timeout { fail "$msg (timeout)" }
}
}
proc gdb_backtrace_tdp_3 { msg } {
global gdb_prompt
# We are in a trace frame at which we collected all registers, all
# arguments and all locals. This means that the display of
# stack frame #0 should be complete (including argument values).
send_gdb "backtrace\n"
gdb_expect {
-re "#0\[\t \]+gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" {
pass "$msg"
}
-re "#0\[\t \]+gdb_recursion_test.*depth=Cannot access.*$gdb_prompt $" {
fail "$msg (failed to collect arguments)"
}
-re ".*$gdb_prompt $" {
fail "$msg"
}
timeout { fail "$msg (timeout)" }
}
}
proc gdb_backtrace_tdp_4 { msg depth } {
global gdb_prompt
# We are in a trace frame at which we collected all registers,
# plus a sizeable hunk of stack memory. This should enable us to
# display at least several stack frames worth of backtrace. We'll
# assume that if we can't display at least "depth" levels (with
# args), it counts as an error.
send_gdb "backtrace\n"
gdb_expect {
-re "#$depth\[\t \].*gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" {
pass "$msg"
}
-re "#$depth\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
fail "$msg (args missing from #$depth stack frame)"
}
-re "#\[0-9\]+\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
fail "$msg (fewer than $depth stack frames found)"
}
-re ".*$gdb_prompt $" {
fail "$msg"
}
timeout { fail "$msg (timeout)" }
}
}
#
# begin backtrace test
#
set timeout 60
gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1"
gdb_tfind_test "8.6: find start frame" "start" "0"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp2:" ""
gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing"
gdb_tfind_test "8.6: find frame 1" "1" "1"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp3:" ""
gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs"
gdb_tfind_test "8.6: find frame 2" "2" "2"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp4:" ""
gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals"
gdb_tfind_test "8.6: find frame 4" "4" "4"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp6:" ""
gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
gdb_tfind_test "8.6: find frame 5" "5" "5"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp2:" ""
gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing"
gdb_tfind_test "8.6: find frame 6" "6" "6"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp3:" ""
gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs"
gdb_tfind_test "8.6: find frame 7" "7" "7"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp4:" ""
gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals"
gdb_tfind_test "8.6: find frame 9" "9" "9"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp6:" ""
gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
gdb_tfind_test "8.6: find frame 10" "10" "10"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp2:" ""
gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing"
gdb_tfind_test "8.6: find frame 11" "11" "11"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp3:" ""
gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs"
gdb_tfind_test "8.6: find frame 12" "12" "12"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp4:" ""
gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals"
gdb_tfind_test "8.6: find frame 14" "14" "14"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp6:" ""
gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
gdb_tfind_test "8.6: find frame 15" "15" "15"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp2:" ""
gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing"
gdb_tfind_test "8.6: find frame 16" "16" "16"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp3:" ""
gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs"
gdb_tfind_test "8.6: find frame 17" "17" "17"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp4:" ""
gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals"
gdb_tfind_test "8.6: find frame 19" "19" "19"
gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
"TDP $tdp6:" ""
gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0"
gdb_test "printf \"x \%d x\\n\", depth == 3" \
"x 0 x" \
"1.13: trace in recursion: depth not equal to 3"
# Finished!
gdb_test "tfind none" "" ""