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# Copyright 1998-2020 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 3 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, see <http://www.gnu.org/licenses/>.
# This file was written by Michael Snyder (msnyder@cygnus.com)
load_lib "trace-support.exp"
gdb_exit
gdb_start
standard_testfile actions.c
if ![gdb_trace_common_supports_arch] {
unsupported "no trace-common.h support for arch"
return -1
}
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings}] != "" } {
untested "failed to compile"
return -1
}
gdb_reinitialize_dir $srcdir/$subdir
# If testing on a remote host, download the source file.
# remote_download host $srcdir/$subdir/$srcfile
gdb_file_cmd $binfile
# define relative source line numbers:
# all subsequent line numbers are relative to this first one (baseline)
set baseline [gdb_find_recursion_test_baseline $srcfile]
if { $baseline == -1 } then {
fail "could not find gdb_recursion_test function"
return
}
set testline1 [expr $baseline + 4]
set testline2 [expr $baseline + 5]
set testline3 [expr $baseline + 6]
set testline4 [expr $baseline + 7]
set testline5 [expr $baseline + 8]
set testline6 [expr $baseline + 9]
#
# test save-trace command
#
# setup a set of tracepoints to save
gdb_delete_tracepoints
foreach x { 1 2 3 4 5 6 } {
set testline [expr \$testline$x]
set trcpt [gdb_gettpnum $testline]
set trcpt$x $trcpt
gdb_test "passcount $x" \
"Setting tracepoint $trcpt.* to $x" \
"set passcount for tracepoint $trcpt"
gdb_test_no_output "condition $trcpt $x - 1 == $x / 2" \
"set condition for tracepoint $trcpt"
gdb_trace_setactions "set actions for tracepoint $x" \
"" \
"collect q$x" "^$" \
"while-stepping $x" "^$" \
"collect q$x" "^$" \
"end" "^$"
}
gdb_test "ftrace fast_tracepoint_loc" \
"Fast tracepoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
"set a fast tracepoint"
gdb_test_no_output "set default-collect gdb_char_test, gdb_long_test - 100" \
"set default-collect"
# Save tracepoint definitions to a file, at path SAVE_PATH.
proc gdb_save_tracepoints { save_path } {
set save_path_regexp [string_to_regexp $save_path]
remote_file host delete $save_path
gdb_test "save tracepoints $save_path" \
"Saved to file '$save_path_regexp'." \
"save tracepoint definitions"
}
# Load tracepoint definitions from a file, from path SAVE_PATH.
proc gdb_load_tracepoints { save_path } {
# Cleanup existing tracepoints/collections
gdb_delete_tracepoints
gdb_test_no_output "set default-collect" "clear default-collect"
gdb_test "info tracepoints" "No tracepoints." "delete tracepoints"
gdb_test "source $save_path" "Tracepoint \[0-9\]+ at .*" \
"read back saved tracepoints"
}
proc gdb_verify_tracepoints { testname } {
global gdb_prompt
set ws "\[\t \]+"
set nl "\[\r\n\]+"
set ourstate 1
set result "pass"
gdb_test_multiple "info tracepoints" "$testname" {
-re "\[0-9\]+\[\t \]+tracepoint\[\t \]+keep y\[\t \]+0x\[0-9a-fA-F\]+ in gdb_recursion_test\[^\r\n\]+\r\n\[ \t]+trace only if \[0-9\] - 1 == \[0-9\] / 2" {
# if { $expect_out(1,string) != $ourstate } {
# set result "fail"
# }
incr ourstate
exp_continue
}
-re "$gdb_prompt $" {
if { $ourstate >= 7 } {
set result "pass"
} else {
set result "fail"
}
}
default {
set result "fail"
}
}
$result $testname
gdb_test "show default-collect" \
"The list of expressions to collect by default is \"gdb_char_test, gdb_long_test - 100\"..*" \
"verify default-collect"
}
proc do_save_load_test { save_path } {
# Save current tracepoint definitions to a file
gdb_save_tracepoints $save_path
# Clear existing tracepoints and reload from file
gdb_load_tracepoints $save_path
# Check if they match the expected tracepoints
gdb_verify_tracepoints "verify recovered tracepoints"
}
gdb_verify_tracepoints "verify trace setup"
with_test_prefix "relative" {
set filepath [standard_output_file "savetrace-relative.tr"]
# This only works because the pwd is a prefix of the standard output
# directory. If this assumption becomes false, then this test needs to be
# changed (the relative path from [pwd] to the standard output directory
# will become a bit more complicated to compute).
if {[string first [pwd] $filepath] != 0} {
error "[pwd] is not a prefix of $filepath."
}
set filepath [string map "[pwd] ." $filepath]
do_save_load_test "$filepath"
}
with_test_prefix "absolute" {
do_save_load_test [standard_output_file "savetrace-absolute.tr"]
}
# invalid filename
# [deferred -- not sure what a good invalid filename would be]
# save-trace (file already exists)
# [expect it to clobber the old one]
# help save tracepoints
gdb_test "help save tracepoints" \
"Save current tracepoint definitions as a script.*" \
"verify help save tracepoints"
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