91 lines
2.9 KiB
Perl
91 lines
2.9 KiB
Perl
|
#!/usr/bin/perl
|
||
|
|
#===-- test_bcc_debuginfo.pl - Debugger integration test driver script ---===#
|
||
|
|
#
|
||
|
|
# The LLVM Compiler Infrastructure
|
||
|
|
#
|
||
|
|
# This file is distributed under the University of Illinois Open Source
|
||
|
|
# License. See LICENSE.TXT for details.
|
||
|
|
#
|
||
|
|
#===----------------------------------------------------------------------===#
|
||
|
|
#
|
||
|
|
# This script tests debugging information generated by a compiler.
|
||
|
|
# Input arguments
|
||
|
|
# - Path to FileCheck tool.
|
||
|
|
# - Input source program. Usually this source file is decorated using
|
||
|
|
# special comments (//DEBUGGER:, //CHECK:)to communicate debugger commands.
|
||
|
|
# - Executable file. This file is generated by the compiler.
|
||
|
|
#
|
||
|
|
# This perl script extracts debugger commands from input source program
|
||
|
|
# comments in a script. A debugger is used to load the executable file
|
||
|
|
# and run the script generated from source program comments. Finally,
|
||
|
|
# the debugger output is checked, using FileCheck, to validate
|
||
|
|
# debugging information.
|
||
|
|
#
|
||
|
|
#===----------------------------------------------------------------------===#
|
||
|
|
|
||
|
|
use File::Basename;
|
||
|
|
|
||
|
|
my $filecheck_tool = $ARGV[0];
|
||
|
|
my $testcase_file = $ARGV[1];
|
||
|
|
my $testcase_output = $ARGV[2];
|
||
|
|
|
||
|
|
my $input_filename = basename $testcase_file;
|
||
|
|
my $output_dir = dirname $testcase_output;
|
||
|
|
|
||
|
|
my $debugger_script_file = "$output_dir/$input_filename.debugger.script";
|
||
|
|
my $output_file = "$output_dir/$input_filename.gdb.output";
|
||
|
|
|
||
|
|
open(OUTPUT, ">$debugger_script_file");
|
||
|
|
|
||
|
|
# Enable extra verbosity in GDB
|
||
|
|
print OUTPUT "set verbose on\n";
|
||
|
|
|
||
|
|
# Extract debugger commands from testcase. They are marked with DEBUGGER:
|
||
|
|
# at the beginning of a comment line.
|
||
|
|
open(INPUT, $testcase_file);
|
||
|
|
while(<INPUT>) {
|
||
|
|
my($line) = $_;
|
||
|
|
$i = index($line, "DEBUGGER:");
|
||
|
|
if ( $i >= 0) {
|
||
|
|
$l = length("DEBUGGER:");
|
||
|
|
$s = substr($line, $i + $l);
|
||
|
|
$s =~ s/\%s/$input_filename/g;
|
||
|
|
$s =~ s/\%t/$testcase_output/g;
|
||
|
|
print OUTPUT "$s";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
print OUTPUT "\n";
|
||
|
|
print OUTPUT "quit\n";
|
||
|
|
close(INPUT);
|
||
|
|
close(OUTPUT);
|
||
|
|
|
||
|
|
# setup debugger and debugger options to run a script.
|
||
|
|
my $debugger = $ENV{'DEBUGGER'};
|
||
|
|
my $debugger_options = $ENV{'DEBUGGER_ARGS'};
|
||
|
|
if (!$debugger) {
|
||
|
|
print "Please set DEBUGGER prior to using this script";
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
$debugger_options = "-x $debugger_script_file $debugger_options $testcase_output";
|
||
|
|
|
||
|
|
# run debugger and capture output.
|
||
|
|
system("$debugger $debugger_options > $output_file 2>&1") ;
|
||
|
|
if ($?>>8 != 0) {
|
||
|
|
print "Error during debugger invocation. Command used was: \n";
|
||
|
|
print("$debugger $debugger_options > $output_file 2>&1\n") ;
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
# validate output.
|
||
|
|
system("$filecheck_tool", "-input-file", "$output_file", "$testcase_file");
|
||
|
|
if ($?>>8 != 0) {
|
||
|
|
print "Error during verification. Debugger command used was: \n";
|
||
|
|
print("$debugger $debugger_options > $output_file 2>&1\n") ;
|
||
|
|
print "Verification command used was: \n";
|
||
|
|
print "$filecheck_tool -input-file $output_file $testcase_file\n";
|
||
|
|
exit 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
exit 0;
|
||
|
|
}
|