def compile(self, id, name, source):
src = '%s.c' % (name)
with open(src, 'w') as f:
f.write(source)
try:
work = sh.gcc(src, '-O2', '--static', '-Wall', '-lm', '-std=c99',
o=name, _ok_code=[0])
work.wait()
sh.rm(src).wait()
return (0, '', '')
except sh.ErrorReturnCode_1 as e:
return (self.result_code[11], '', e.stderr.decode('utf-8'))
def check_gcc(os='Linux'):
'''Check that gcc is installed'''
print('Check gcc (c++) compiler...')
from sh import which
shOut = which('gcc')
print(shOut)
if not shOut is None:
from sh import gcc
#print(gcc('--version'))
return str(gcc('--version'))
else:
print(
'ERROR: you must install gcc version 5.1 or above before continuing'
)
def check_gcc():
'''Check that gcc is installed'''
from sh import which
shOut = which('gcc')
#print('Check gcc (c++) compiler...')
#print(shOut)
if not shOut is None:
from sh import gcc
version = str(gcc('--version'))
#print(version)
return (version, True)
else:
print(
'ERROR: you must install gcc version 5.1 or above before continuing'
)
return (None, False)
def get_gcc_includes(source, include_directives, pkg, ignore=[]):
from sh import gcc
includes = flatten([ln.strip('\ ').split() for ln in \
gcc(*include_directives, '-std=c++14', '-MM', '-MG', source).split('\n')])[1:]
if not ignore:
return includes
result = []
for include in includes:
skip = False
for path in ignore:
if include.startswith(path):
skip = True
if skip is False:
result.append(include)
return result
from sh import riscv64_unknown_elf_gcc as gcc
from sh import riscv64_unknown_elf_objdump as objdump
from sh import rm
import re
gcc("test.S", "-c", "-o", "test.o", "-march=rv32ima", "-mabi=ilp32")
for line in objdump("-d", "test.o"):
m = re.match(r"^\s+([0-9a-f]+):\s+([0-9a-f]+)\s+(.*)$", line)
if m:
offset = int(m.group(1), 16)
code = int(m.group(2), 16)
assembly = m.group(3)
bin_string = ""
for index, bin_digit in enumerate("{:032b}".format(code)[::-1]):
if index % 4 == 0 and index != 0:
bin_string += "_"
bin_string += bin_digit
bin_string = bin_string[::-1]
d = "{:032b}".format(code)[::-1]
r_type = "_".join(
(d[0:7], d[7:12], d[12:15], d[15:20], d[20:25], d[25:32]))[::-1]
u_type = "_".join((d[0:7], d[7:12], d[12:32]))[::-1]
print("r: 0b{} u: 0b{} {}".format(r_type, u_type, assembly))
objs=[]
#even:
name="objs/even"
source=name+".c"
with open(source, "w") as f:
for i in xrange(0,n,2):
if(i==n-1):
f.write("int fun{0}(){{return 42;}}\n".format(i))
else:
f.write("int fun{0}(); int fun{1}(){{return fun{0}();}}\n".format(i+1, i))
target= name+".o"
objs.append(target)
output=sh.gcc([source,"-c", "-o", target])
#odd:
name="objs/odd"
source=name+".c"
with open(source, "w") as f:
for i in xrange(1,n,2):
if(i==n-1):
f.write("int fun{0}(){{return 42;}}\n".format(i))
else:
f.write("int fun{0}(); int fun{1}(){{return fun{0}();}}\n".format(i+1, i))
target= name+".o"
objs.append(target)