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#!/usr/bin/python2.6
# \file p2p-test-gen.py
# \brief this program generates random constructed test cases
# in the form of input file consumed by ppc-ppe-pcp.py
# \usage create a file named 'test.s' and make sure it has at
# least one blank line before executing this program.
import fileinput
import random
DotLabel = ['', 'Label:', '.Label']
Comments = ['', '// Comments', '/* Comments */']
TabSpace = ['', '\t', ' ', '\t ', ' \t', ' \t ']
RegLabel = ['', '%r']
Register = [0,1,2,3,4,5,6,7,8,9,10,13,28,29,30,31]
TestEnable = [0,1,2,3]
TestBook = {'eieio' : 0,
'isync' : 0,
'icbi' : 0,
'icbt' : 0,
'stbux' : 3,
'sthux' : 3,
'stwux' : 3,
'lbzux' : 3,
'lhzux' : 3,
'lwzux' : 3,
'lha' : 2,
'lhau' : 2,
'lhax' : 3,
'lhaux' : 3,
'mulhhw' : 3,
'mulhhwu' : 3,
'mulhw' : 3,
'mulhwu' : 3,
'mullw' : 3,
'mulli' : 1,
'divw' : 3,
'divwu' : 3,
'lmw' : 2,
'stmw' : 2,
'lwz' : 4,
'stw' : 4,
'cmplw' : 5,
'cmpw' : 5,
'cmpwi' : 5}
BranchList = ['bc', 'bcl', 'blt', 'bltl', 'ble', 'blel', 'bgt', 'bgtl', 'bge',
'bgel', 'beq', 'beql', 'bne', 'bnel']
def p2p_test():
for line in fileinput.input('test.s', inplace=1):
print '// start generating test cases:',
for opcode,format in TestBook.iteritems():
opcode += ' '
if random.randint(1, 10) > 5:
print random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0] +\
random.sample(TabSpace,1)[0]
else:
print random.sample(TabSpace,1)[0] + random.sample(DotLabel,1)[0] +\
random.sample(TabSpace,1)[0]
if format == 0 in TestEnable:
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
if format == 3 in TestEnable:
regs = random.sample(Register, 3)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
random.sample(RegLabel,1)[0] + str(regs[1]) + ',' +\
random.sample(TabSpace,1)[0] +\
random.sample(RegLabel,1)[0] + str(regs[2])
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
if format == 1 in TestEnable:
regs = random.sample(Register, 2)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
random.sample(RegLabel,1)[0] + str(regs[1]) + ',' +\
random.sample(TabSpace,1)[0] +\
str(random.randint(-128, 128))
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
if format == 2 in TestEnable:
regs = random.sample(Register, 2)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
str(random.randint(-128, 128)) +\
'(' + random.sample(RegLabel,1)[0] + str(regs[1]) + ')'
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
if format == 4 in TestEnable:
for i in [1,2]:
regs = random.sample(Register, 2)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
str(random.randint(-128, 128)) +\
'(' + random.sample(RegLabel,1)[0] + str(regs[1]) + ')'
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
if format == 5 in TestEnable:
if 'i' in opcode:
regs = random.sample(Register, 1)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
random.sample(RegLabel,1)[0] +\
str(random.randint(-128, 128))
else:
regs = random.sample(Register, 2)
reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
random.sample(TabSpace,1)[0] +\
random.sample(RegLabel,1)[0] + str(regs[1])
print random.sample(TabSpace,1)[0] + opcode +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
branch = random.sample(BranchList, 1)[0] + ' '
if 'bc' in branch:
reg_field = random.sample(TabSpace,1)[0] +\
str(random.randint(0, 15)) + ',' +\
random.sample(TabSpace,1)[0] +\
str(random.randint(0, 7)) + ',' +\
random.sample(TabSpace,1)[0] +\
str(random.randint(-128, 128)) +\
random.sample(TabSpace,1)[0]
else:
reg_field = random.sample(TabSpace,1)[0] +\
str(random.randint(-128, 128)) +\
random.sample(TabSpace,1)[0]
print random.sample(TabSpace,1)[0] + branch +\
random.sample(TabSpace,1)[0] + reg_field +\
random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
fileinput.close()
if __name__ == '__main__':
p2p_test()
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