# Inline alias checks.
time_start_inlining = time.time()
if args.disable_inline:
cmd = " ".join(("cp", bc_ac_opt, bc_ac_opt_inline))
else:
cmd = ng_utils.load_all_plugins("opt")
cmd = " ".join((cmd, "-inline-alias-checker"))
cmd = " ".join((cmd, "-o", bc_ac_opt_inline, "<", bc_ac_opt))
rcs_utils.invoke(cmd)
# Codegen.
time_start_codegen = time.time()
cmd = " ".join(("clang++", bc_ac_opt_inline))
# ReportMissingAlias won't be inlined anyway, so we have to link
# libDynAAAliasChecker.a
cmd = " ".join((cmd, rcs_utils.get_libdir() + "/libDynAAAliasChecker.a"))
cmd = " ".join((cmd, "-o", args.prog + ".ac"))
linking_flags = rcs_utils.get_linking_flags(args.prog)
# The pthread library is necessary for the online mode.
linking_flags.append("-pthread")
cmd = " ".join((cmd, " ".join(linking_flags)))
rcs_utils.invoke(cmd)
# Print runtime of each stage.
time_finish = time.time()
print "Inserting alias checks:", time_start_o3 - time_start_inserting
print "Running O3:", time_start_inlining - time_start_o3
print "Inlining:", time_start_codegen - time_start_inlining
print "Codegen:", time_finish - time_start_codegen
# Inline alias checks.
time_start_inlining = time.time()
if args.disable_inline:
cmd = ' '.join(('cp', bc_hybrid_opt, bc_hybrid_opt_inline))
else:
cmd = ng_utils.load_all_plugins('opt')
cmd = ' '.join((cmd, '-inline-alias-checker'))
cmd = ' '.join((cmd, '-o', bc_hybrid_opt_inline, '<', bc_hybrid_opt))
rcs_utils.invoke(cmd)
# Codegen.
time_start_codegen = time.time()
cmd = ' '.join(('clang++', bc_hybrid_opt_inline))
# ReportMissingAlias won't be inlined anyway, so we have to link
# libDynAAAliasChecker.a
cmd = ' '.join((cmd, rcs_utils.get_libdir() + '/libDynAAAliasChecker.a'))
cmd = ' '.join((cmd, rcs_utils.get_libdir() + '/libDynAAMemoryHooks.a'))
cmd = ' '.join((cmd, '-o', exe_hybrid))
linking_flags = rcs_utils.get_linking_flags(args.prog)
cmd = ' '.join((cmd, ' '.join(linking_flags)))
rcs_utils.invoke(cmd)
# Print runtime of each stage.
time_finish = time.time()
print 'Inserting alias checks and hooking memory access:', \
time_start_o3 - time_start_hybrid
print 'Running O3:', time_start_inlining - time_start_o3
print 'Inlining:', time_start_codegen - time_start_inlining
print 'Codegen:', time_finish - time_start_codegen
help = 'instrument for test case reduction and ' + \
'trace slicing (False by default)',
action = 'store_true',
default = False)
args = parser.parse_args()
instrumented_bc = args.prog + '.inst.bc'
instrumented_exe = args.prog + '.inst'
cmd = ng_utils.load_all_plugins('opt')
# Preparer doesn't preserve IDAssigner, so we put it after
# -instrument-memory.
cmd = ' '.join((cmd, '-instrument-memory', '-prepare'))
if args.hook_all:
cmd = ' '.join((cmd, '-hook-all-pointers'))
if args.diagnose:
cmd = ' '.join((cmd, '-diagnose'))
cmd = ' '.join((cmd, '-o', instrumented_bc))
cmd = ' '.join((cmd, '<', args.prog + '.bc'))
rcs_utils.invoke(cmd)
cmd = ' '.join(('clang++', instrumented_bc,
rcs_utils.get_libdir() + '/libDynAAMemoryHooks.a',
'-o', instrumented_exe))
linking_flags = rcs_utils.get_linking_flags(args.prog)
# Memory hooks use pthread functions.
if '-pthread' not in linking_flags:
linking_flags.append('-pthread')
cmd = ' '.join((cmd, ' '.join(linking_flags)))
rcs_utils.invoke(cmd)
import argparse
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description = 'insert Loom update engine to the program')
parser.add_argument('prog', help = 'the program name (e.g. mysqld)')
args = parser.parse_args()
instrumented_bc = args.prog + '.loom.bc'
instrumented_exe = args.prog + '.loom'
# TODO: loom_utils.load_all_plugins
cmd = rcs_utils.load_plugin('opt', 'RCSID')
cmd = rcs_utils.load_plugin(cmd, 'RCSCFG')
cmd = rcs_utils.load_plugin(cmd, 'libLoomUtils')
cmd = rcs_utils.load_plugin(cmd, 'LoomAnalysis')
cmd = rcs_utils.load_plugin(cmd, 'LoomInstrumenter')
cmd = ' '.join((cmd, '-break-crit-invokes', '-insert-checks', '-clone-bbs'))
cmd = ' '.join((cmd, '-o', instrumented_bc))
cmd = ' '.join((cmd, '<', args.prog + '.bc'))
rcs_utils.invoke(cmd)
cmd = ' '.join(('clang++', instrumented_bc,
rcs_utils.get_libdir() + '/libLoomUpdateEngine.a',
rcs_utils.get_libdir() + '/libLoomUtils.a',
'-o', instrumented_exe,
'-g', '-O3'))
linking_flags = rcs_utils.get_linking_flags(args.prog)
cmd = ' '.join((cmd, ' '.join(linking_flags), '-pthread'))
rcs_utils.invoke(cmd)
# Inline alias checks.
time_start_inlining = time.time()
if args.disable_inline:
cmd = ' '.join(('cp', bc_hybrid_opt, bc_hybrid_opt_inline))
else:
cmd = ng_utils.load_all_plugins('opt')
cmd = ' '.join((cmd, '-inline-alias-checker'))
cmd = ' '.join((cmd, '-o', bc_hybrid_opt_inline, '<', bc_hybrid_opt))
rcs_utils.invoke(cmd)
# Codegen.
time_start_codegen = time.time()
cmd = ' '.join(('clang++', bc_hybrid_opt_inline))
# ReportMissingAlias won't be inlined anyway, so we have to link
# libDynAAAliasChecker.a
cmd = ' '.join((cmd, rcs_utils.get_libdir() + '/libDynAAAliasChecker.a'))
cmd = ' '.join((cmd, rcs_utils.get_libdir() + '/libDynAAMemoryHooks.a'))
cmd = ' '.join((cmd, '-o', exe_hybrid))
linking_flags = rcs_utils.get_linking_flags(args.prog)
cmd = ' '.join((cmd, ' '.join(linking_flags)))
rcs_utils.invoke(cmd)
# Print runtime of each stage.
time_finish = time.time()
print 'Inserting alias checks and hooking memory access:', \
time_start_o3 - time_start_hybrid
print 'Running O3:', time_start_inlining - time_start_o3
print 'Inlining:', time_start_codegen - time_start_inlining
print 'Codegen:', time_finish - time_start_codegen
import argparse
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='insert Loom update engine to the program')
parser.add_argument('prog', help='the program name (e.g. mysqld)')
args = parser.parse_args()
instrumented_bc = args.prog + '.loom.bc'
instrumented_exe = args.prog + '.loom'
# TODO: loom_utils.load_all_plugins
cmd = rcs_utils.load_plugin('opt', 'RCSID')
cmd = rcs_utils.load_plugin(cmd, 'RCSCFG')
cmd = rcs_utils.load_plugin(cmd, 'libLoomUtils')
cmd = rcs_utils.load_plugin(cmd, 'LoomAnalysis')
cmd = rcs_utils.load_plugin(cmd, 'LoomInstrumenter')
cmd = ' '.join(
(cmd, '-break-crit-invokes', '-insert-checks', '-clone-bbs'))
cmd = ' '.join((cmd, '-o', instrumented_bc))
cmd = ' '.join((cmd, '<', args.prog + '.bc'))
rcs_utils.invoke(cmd)
cmd = ' '.join(('clang++', instrumented_bc,
rcs_utils.get_libdir() + '/libLoomUpdateEngine.a',
rcs_utils.get_libdir() + '/libLoomUtils.a', '-o',
instrumented_exe, '-g', '-O3'))
linking_flags = rcs_utils.get_linking_flags(args.prog)
cmd = ' '.join((cmd, ' '.join(linking_flags), '-pthread'))
rcs_utils.invoke(cmd)
help = 'instrument for test case reduction and ' + \
'trace slicing (False by default)',
action = 'store_true',
default = False)
args = parser.parse_args()
instrumented_bc = args.prog + '.inst.bc'
instrumented_exe = args.prog + '.inst'
cmd = ng_utils.load_all_plugins('opt')
# Preparer doesn't preserve IDAssigner, so we put it after
# -instrument-memory.
cmd = ' '.join((cmd, '-instrument-memory', '-prepare'))
if args.hook_all:
cmd = ' '.join((cmd, '-hook-all-pointers'))
if args.diagnose:
cmd = ' '.join((cmd, '-diagnose'))
cmd = ' '.join((cmd, '-o', instrumented_bc))
cmd = ' '.join((cmd, '<', args.prog + '.bc'))
rcs_utils.invoke(cmd)
cmd = ' '.join(('clang++', instrumented_bc,
rcs_utils.get_libdir() + '/libDynAAMemoryHooks.a', '-o',
instrumented_exe))
linking_flags = rcs_utils.get_linking_flags(args.prog)
# Memory hooks use pthread functions.
if '-pthread' not in linking_flags:
linking_flags.append('-pthread')
cmd = ' '.join((cmd, ' '.join(linking_flags)))
rcs_utils.invoke(cmd)