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# Copyright (C) 2013-2019 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 test case is to test the performance of GDB when it analyzes the
# function prologue.
# There is one parameter in this test:
# - SKIP_PROLOGUE_COUNT is the number that GDB inserts breakpoints on
# function f1 and f2 and removes them.
load_lib perftest.exp
if [skip_perf_tests] {
return 0
}
standard_testfile .c
set executable $testfile
set expfile $testfile.exp
# make check-perf RUNTESTFLAGS='skip-prologue.exp SKIP_PROLOGUE_COUNT=500'
if ![info exists SKIP_PROLOGUE_COUNT] {
set SKIP_PROLOGUE_COUNT 500
}
PerfTest::assemble {
global srcdir subdir srcfile binfile
if [info exists COMPILE] {
set opts {debug}
} else {
set opts {nodebug}
}
if { [gdb_compile "$srcdir/$subdir/$srcfile" ${binfile} executable $opts] != "" } {
untested "failed to compile"
return -1
}
return 0
} {
global binfile
global gdb_prompt
clean_restart $binfile
if ![runto_main] {
fail "can't run to main"
return -1
}
return 0
} {
global SKIP_PROLOGUE_COUNT
set test "run"
gdb_test_multiple "python SkipPrologue\($SKIP_PROLOGUE_COUNT\).run()" $test {
-re "Breakpoint $decimal at \[^\n\]*\n" {
# GDB prints some messages on breakpoint creation.
# Consume the output to avoid internal buffer full.
exp_continue
}
-re ".*$gdb_prompt $" {
pass $test
}
}
return 0
}
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