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thumb-cc.py: simplify

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29897 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2011-05-18 20:04:20 +00:00
parent 7eb0db250c
commit 9b6910c348
1 changed files with 16 additions and 54 deletions
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70
tools/thumb-cc.py
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@ -7,7 +7,7 @@
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ # Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/ # \/ \/ \/ \/ \/
# #
# Copyright © 2010 Rafaël Carré <rafael.carre@gmail> # Copyright © 2010-2011 Rafaël Carré <rafael.carre@gmail>
# #
# This program is free software; you can redistribute it and/or # This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License # modify it under the terms of the GNU General Public License
@ -16,65 +16,27 @@
# #
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied. # KIND, either express or implied.
#
import sys from sys import argv, stderr, stdout
import os from subprocess import Popen, PIPE
import subprocess from os import execv
import tempfile
args = argv[1:] # remove script path
def run_gcc(args):
os.execv(args[0], args) # run real gcc
def get_output(args):
output = False
for i in args:
if output == True:
return i
elif i == '-o':
output = True
def try_thumb(args, output):
thumb_args = args + ['-mthumb']
thumb_args[thumb_args.index('-o') + 1] = output
thumb_gcc = subprocess.Popen(thumb_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = thumb_gcc.communicate()
if thumb_gcc.returncode != 0: # building failed
return False
# building with thumb succeeded, show our output
#sys.stderr.write(bytes.decode(stderr))
#sys.stdout.write(bytes.decode(stdout))
sys.stderr.write(stderr)
sys.stdout.write(stdout)
return True
##### main
args=sys.argv[1:] # remove script path
for opt in ['-E', '-MM', '-v', '--version']: for opt in ['-E', '-MM', '-v', '--version']:
if opt in args: if opt in args:
run_gcc(args) execv(args[0], args) # not actually compiling
output = get_output(args) if '-o' in args and args.index('-o') < len(args) - 1:
split = output.rsplit('.o', 1) if len(args[args.index('-o') + 1].rsplit('.o', 1)) == 1:
execv(args[0], args) # output doesn't end in .o
if len(split) == 1: # output doesn't end in .o args.append('-mthumb-interwork') # thumb-interwork is required
run_gcc(args) gcc = Popen(args + ['-mthumb'], stdout=PIPE, stderr=PIPE)
(out, err) = gcc.communicate()
dirname = os.path.dirname(output) if gcc.returncode != 0: # thumb failed, try outputting arm
thumb_output = tempfile.mktemp(suffix='.o', prefix=split[0], dir=dirname) execv(args[0], args)
args.append('-mthumb-interwork') stdout.write(out)
stderr.write(err)
if try_thumb(args, thumb_output):
os.rename(thumb_output, output)
sys.exit(0)
else:
#sys.stderr.write('skipped ' + os.path.basename(output) + '\n')
run_gcc(args)