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850a8a46c0
* Add custom SDE cpuid files. * Set up testing of all x86_64 architectures (except bulldozer) using SDE. * Update .travis.yml [ci skip] * Update do_testsuite.sh [ci skip] * Updated .travis.yml with my secret token. Details: - Replaced Devin's temporary secret token with my own, which is used by Travis when accessing the Intel SDE via Dropbox. * Work around CPUID dispatch in glibc/libm by patching ld.so. * Detect path of loader at runtime. * Attempt to make SDE run on Travis * Allow unpatched ld.so if we don't know how to patch it. I *think* this only happens for older glibc without the multi-arch stuff (e.g. Ubuntu 14.04 on Travis), but who knows? * Upgrade Travis to gcc-6 and binutils-2.26. * Try to get Travis to use the right assembler. * Apparently you need ld-2.26 too. * Try to also patch ld.so from Ubuntu 14.04. * Take the nuclear option. * Account for non-absolute dependencies in ldd output. * String manipulation fail. * Update patch-ld-so.py * Add Zen to SDE testing. * Removed dead variable from travis/do_testsuite.sh. Details: - Removed 'BLIS_ENABLE_TEST_OUTPUT=yes' from make invocations in travis/do_testsuite.sh. This variable is no longer present in the BLIS build system (if it ever was?), and therefore has no effect.
17 lines
378 B
Python
Executable File
17 lines
378 B
Python
Executable File
#!/usr/bin/env python
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#
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# Patch ld.so to disable runtime CPUID detection
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# Taken from https://stackoverflow.com/a/44483482
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#
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import re
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import sys
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infile, outfile = sys.argv[1:]
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d = open(infile, 'rb').read()
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# Match CPUID(eax=0), "xor eax,eax" followed closely by "cpuid"
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o = re.sub(b'(\x31\xc0.{0,32})\x0f\xa2', b'\\1\x66\x90', d)
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#assert d != o
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open(outfile, 'wb').write(o)
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