1# Copyright (C) 2013-2015 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This test case is to test the performance of GDB when it analyzes the 17# function prologue. 18# There is one parameter in this test: 19# - SKIP_PROLOGUE_COUNT is the number that GDB inserts breakpoints on 20# function f1 and f2 and removes them. 21 22load_lib perftest.exp 23 24if [skip_perf_tests] { 25 return 0 26} 27 28standard_testfile .c 29set executable $testfile 30set expfile $testfile.exp 31 32# make check-perf RUNTESTFLAGS='skip-prologue.exp SKIP_PROLOGUE_COUNT=500' 33if ![info exists SKIP_PROLOGUE_COUNT] { 34 set SKIP_PROLOGUE_COUNT 500 35} 36 37PerfTest::assemble { 38 global srcdir subdir srcfile binfile 39 40 if { [gdb_compile "$srcdir/$subdir/$srcfile" ${binfile} executable {debug}] != "" } { 41 return -1 42 } 43 44 return 0 45} { 46 global binfile 47 global gdb_prompt 48 49 clean_restart $binfile 50 51 if ![runto_main] { 52 fail "Can't run to main" 53 return -1 54 } 55} { 56 global SKIP_PROLOGUE_COUNT 57 58 set test "run" 59 gdb_test_multiple "python SkipPrologue\($SKIP_PROLOGUE_COUNT\).run()" $test { 60 -re "Breakpoint $decimal at \[^\n\]*\n" { 61 # GDB prints some messages on breakpoint creation. 62 # Consume the output to avoid internal buffer full. 63 exp_continue 64 } 65 -re ".*$gdb_prompt $" { 66 pass $test 67 } 68 } 69} 70