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https://sourceware.org/git/binutils-gdb.git
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ba22ff8694
Ubuntu/Debian defaults PIE to enabled. This causes the trace tests to fall over due to variables being returned as "unavailable". The tests were never designed to work with pie. Simply ensure the nopie flag is always used for the failing tests. This removes 100+ failures when running native-gdbserver on Ubuntu 18.04. gdb/testsuite/ChangeLog: * gdb.trace/backtrace.exp: Use nopie flag. * gdb.trace/circ.exp: Likewise. * gdb.trace/collection.exp: Likewise. * gdb.trace/ftrace.exp: Likewise. * gdb.trace/mi-trace-unavailable.exp: Likewise. * gdb.trace/mi-traceframe-changed.exp: Likewise. * gdb.trace/qtro.exp: Likewise. * gdb.trace/read-memory.exp: Likewise. * gdb.trace/report.exp: Likewise. * gdb.trace/tfile.exp: Likewise. * gdb.trace/tfind.exp: Likewise. * gdb.trace/unavailable.exp: Likewise.
355 lines
10 KiB
Plaintext
355 lines
10 KiB
Plaintext
# Copyright 1998-2019 Free Software Foundation, Inc.
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#
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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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# This file was written by Michael Snyder (msnyder@cygnus.com)
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load_lib "trace-support.exp"
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standard_testfile actions.c
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set executable $testfile
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set expfile $testfile.exp
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if ![gdb_trace_common_supports_arch] {
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unsupported "no trace-common.h support for arch"
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return -1
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}
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if [prepare_for_testing "failed to prepare" $executable $srcfile \
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[list debug nowarnings nopie]] {
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return -1
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}
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if ![runto_main] {
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fail "can't run to main to check for trace support"
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return -1
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}
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if { ![gdb_target_supports_trace] } then {
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unsupported "current target does not support trace"
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return 1
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}
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#
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# test backtraces in trace frames
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#
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set testline1 0
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set testline2 0
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set testline3 0
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set testline4 0
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set testline5 0
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set testline6 0
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set arg1 1
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set arg2 2
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set arg3 3
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set arg4 4
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set arg5 5
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set arg6 6
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set baseline [gdb_find_recursion_test_baseline $srcfile]
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if { $baseline == -1 } {
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fail "could not find gdb_recursion_test function"
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return
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}
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set return_me 0
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gdb_test_multiple "list $baseline, +12" "all tests in this module will fail" {
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " {
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set testline1 $expect_out(1,string)
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exp_continue
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}
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " {
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set testline2 $expect_out(1,string)
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exp_continue
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}
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " {
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set testline3 $expect_out(1,string)
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exp_continue
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}
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " {
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set testline4 $expect_out(1,string)
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exp_continue
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}
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " {
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set testline5 $expect_out(1,string)
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exp_continue
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}
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-re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " {
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set testline6 $expect_out(1,string)
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } {
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untested "unexpected testline values"
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set return_me 1
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all tests in this module will fail."
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}
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}
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default {
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untested "couldn't match pattern"
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set return_me 1
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all tests in this module will fail."
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}
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}
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if { $return_me == 1 } then {
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return -1
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}
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#
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# Setup backtrace experiment. This will involve:
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# 1) a tracepoint where nothing is collected
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# 2) a tracepoint where only regs are collected
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# 3) a tracepoint where regs, locals and args are collected
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# 4) a tracepoint where regs plus some amount of stack are collected.
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#
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gdb_delete_tracepoints
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set tdp2 [gdb_gettpnum $testline2]
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set tdp3 [gdb_gettpnum $testline3]
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set tdp4 [gdb_gettpnum $testline4]
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set tdp5 [gdb_gettpnum $testline5]
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set tdp6 [gdb_gettpnum $testline6]
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if { $tdp2 <= 0 || $tdp3 <= 0 || \
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$tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then {
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fail "setting tracepoints failed"
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return
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}
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#gdb_trace_setactions "setup TP to collect FP" \
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# "$tdp2" \
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# "collect \$fp" ""
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#
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gdb_trace_setactions "8.6: setup TP to collect regs" \
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"$tdp3" \
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"collect \$regs" "^$"
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gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
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"$tdp4" \
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"collect \$regs, \$args, \$locs" "^$"
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gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
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"$tdp6" \
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"collect \$$fpreg, \(\*\(void \*\*\) \(\$$spreg\)\) @ 128" "^$"
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gdb_test_no_output "tstart" ""
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gdb_breakpoint "end" qualified
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gdb_test "continue" \
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"Continuing.*Breakpoint $decimal, end.*" \
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"run trace experiment"
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gdb_test_no_output "tstop" ""
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proc gdb_backtrace_tdp_1 { msg } {
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global gdb_prompt
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# We are in a trace frame at which we didn't collect anything
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# except $PC. Therefore we expect to be able to identify stack
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# frame #0, but that's about all. In particular we do not expect
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# to be able to display the function's arguments or locals, and we
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# do not expect to be able to identify the caller of this function.
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gdb_test "backtrace" \
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"#0\[\t \]+gdb_recursion_test.*depth=.*" \
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"$msg"
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}
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proc gdb_backtrace_tdp_2 { msg } {
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global gdb_prompt
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# We are in a trace frame at which we collected only the registers
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# Therefore we expect to be able to identify stack frame #0, but
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# we don't expect to be able to display its args unles they are
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# passed in registers (which isn't the case for m68k), and we
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# don't expect to be able to identify the caller's stack frame.
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gdb_test "backtrace" \
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"#0\[\t \]+gdb_recursion_test.*depth=.*" \
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"$msg"
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}
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proc gdb_backtrace_tdp_3 { msg } {
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global gdb_prompt
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# We are in a trace frame at which we collected all registers, all
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# arguments and all locals. This means that the display of
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# stack frame #0 should be complete (including argument values).
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gdb_test_multiple "backtrace" "$msg" {
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-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 $" {
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pass "$msg"
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}
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-re "#0\[\t \]+gdb_recursion_test.*depth=Cannot access.*$gdb_prompt $" {
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fail "$msg (failed to collect arguments)"
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}
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}
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}
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proc gdb_backtrace_tdp_4 { msg depth traceframe } {
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global gdb_prompt
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with_test_prefix "traceframe $traceframe" {
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# We are in a trace frame at which we collected all registers,
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# plus a sizeable hunk of stack memory. This should enable us to
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# display at least several stack frames worth of backtrace. We'll
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# assume that if we can't display at least "depth" levels (with
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# args), it counts as an error.
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gdb_test_multiple "backtrace" "$msg" {
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-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 $" {
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pass "$msg"
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}
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-re "#$depth\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
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fail "$msg (args missing from #$depth stack frame)"
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}
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-re "#\[0-9\]+\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" {
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fail "$msg (fewer than $depth stack frames found)"
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}
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}
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set output_string0 ""
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# Match the output of command 'tdump' and save it in
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# $output_string0.
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set test "tdump on frame 0"
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gdb_test_multiple "tdump" $test {
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-re "tdump\[\r\n\]+(.*)\[\r\n\]+$gdb_prompt $" {
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set output_string0 $expect_out(1,string)
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}
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}
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gdb_test "up" ".*" ""
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# Test that command 'tdump' still works properly when the
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# selected frame is not the current frame, and save the output
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# in $output_string1.
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set test "tdump on frame 1"
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set output_string1 ""
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gdb_test_multiple "tdump" $test {
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-re "tdump\[\r\n\]+(.*)\[\r\n\]+$gdb_prompt $" {
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set output_string1 $expect_out(1,string)
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}
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}
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# Output of 'tdump' on frame 0 and frame 1 should be
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# identical.
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gdb_assert ![string compare $output_string0 $output_string1] \
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"tdump output"
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}
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}
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#
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# begin backtrace test
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#
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set timeout 60
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gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1"
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gdb_tfind_test "8.6: find start frame" "start" "0"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp2:" ""
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gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing"
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gdb_tfind_test "8.6: find frame 1" "1" "1"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp3:" ""
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gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs"
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gdb_tfind_test "8.6: find frame 2" "2" "2"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp4:" ""
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gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals"
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gdb_tfind_test "8.6: find frame 4" "4" "4"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp6:" ""
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gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 4
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gdb_tfind_test "8.6: find frame 5" "5" "5"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp2:" ""
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gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing"
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gdb_tfind_test "8.6: find frame 6" "6" "6"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp3:" ""
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gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs"
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gdb_tfind_test "8.6: find frame 7" "7" "7"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp4:" ""
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gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals"
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gdb_tfind_test "8.6: find frame 9" "9" "9"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp6:" ""
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gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 9
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gdb_tfind_test "8.6: find frame 10" "10" "10"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp2:" ""
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gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing"
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gdb_tfind_test "8.6: find frame 11" "11" "11"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp3:" ""
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gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs"
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gdb_tfind_test "8.6: find frame 12" "12" "12"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp4:" ""
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gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals"
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gdb_tfind_test "8.6: find frame 14" "14" "14"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp6:" ""
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gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 14
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gdb_tfind_test "8.6: find frame 15" "15" "15"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp2:" ""
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gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing"
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gdb_tfind_test "8.6: find frame 16" "16" "16"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp3:" ""
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gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs"
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gdb_tfind_test "8.6: find frame 17" "17" "17"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp4:" ""
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gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals"
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gdb_tfind_test "8.6: find frame 19" "19" "19"
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gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \
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"TDP $tdp6:" ""
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gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 19
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gdb_test "printf \"x \%d x\\n\", depth == 3" \
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"x 0 x" \
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"1.13: trace in recursion: depth not equal to 3"
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# Finished!
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gdb_test "tfind none" ".*" ""
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