37 строки
1.4 KiB
Python
Executable File
37 строки
1.4 KiB
Python
Executable File
#!/usr/bin/env python2
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'''
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Small utility to build some llvm bitcode into native code. Useful when lli (called
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from exec_llvm) fails for some reason.
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* Use llc to generate x86 asm
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* Use as to generate an object file
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* Use g++ to link it to an executable
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'''
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import os, sys
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from subprocess import Popen, PIPE, STDOUT
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__rootpath__ = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
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def path_from_root(*pathelems):
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return os.path.join(__rootpath__, *pathelems)
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exec(open(path_from_root('tools', 'shared.py'), 'r').read())
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filename = sys.argv[1]
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libs = sys.argv[2:] # e.g.: dl for dlopen/dlclose, util for openpty/forkpty
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print 'bc => clean bc'
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Popen([LLVM_OPT, filename, '-strip-debug', '-o', filename + '.clean.bc']).communicate()[0]
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print 'bc => s'
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for params in [['-march=x86'], ['-march=x86-64']]: # try x86, then x86-64 FIXME
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print 'params', params
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for triple in [['-mtriple=i386-pc-linux-gnu'], []]:
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Popen([LLVM_COMPILER] + params + triple + [filename + '.clean.bc', '-o', filename + '.s']).communicate()[0]
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print 's => o'
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Popen(['as', filename + '.s', '-o', filename + '.o']).communicate()[0]
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if os.path.exists(filename + '.o'): break
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if os.path.exists(filename + '.o'): break
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print 'o => runnable'
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Popen(['g++', path_from_root('system', 'lib', 'debugging.cpp'), filename + '.o', '-o', filename + '.run'] + ['-l' + lib for lib in libs]).communicate()[0]
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