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hand-assemble instructions not supported in old binutils (#2471)
* hand-assemble instructions not present in old binutils * add script for regenerating asmMap --------- Co-authored-by: Ariel Ben-Yehuda <[email protected]>
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crypto/fipsmodule/aes/asm/make-avx-map-for-old-binutils.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| #!/usr/bin/python3 | ||
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| import argparse | ||
| import subprocess | ||
| import re | ||
| import sys | ||
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| PCLMUL_RE = re.compile(r'^\s+[0-9a-f]+:\s+(?P<disas>(?:[0-9a-f][0-9a-f] )+)\s+vpclmul(?P<type>[0-9a-z]+)dq (?P<args>.*%ymm.*)$') | ||
| NON_PCLMUL_RE = re.compile(r'^\s+[0-9a-f]+:\s+(?P<disas>(?:[0-9a-f][0-9a-f] )+)\s+(?P<instruction>vaesenc|vaesenclast) (?P<args>.*%ymm.*)$') | ||
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| TYPE_MAP = { | ||
| 'lqlq': 0x00, | ||
| 'lqhq': 0x10, | ||
| 'hqlq': 0x01, | ||
| 'hqhq': 0x11, | ||
| } | ||
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| def hexify_disas(disas): | ||
| return (' '+disas.strip()).replace(' ', ',0x')[1:] | ||
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| def main(): | ||
| parser = argparse.ArgumentParser( | ||
| prog='make-avx-map-for-old-binutils', | ||
| description='Generate a map file for old binutils from .o files' | ||
| ) | ||
| parser.add_argument('filename', nargs='+', help='object file to generate map from') | ||
| parsed = parser.parse_args() | ||
| for filename in parsed.filename: | ||
| for line in subprocess.check_output(['objdump', '-d', filename], stderr=sys.stderr).decode('utf-8').split('\n'): | ||
| if match := PCLMUL_RE.match(line): | ||
| hexified_disas = hexify_disas(match.group('disas')) | ||
| ty = TYPE_MAP[match.group('type')] | ||
| args = match.group('args').replace(',', ', ') | ||
| print(f" 'vpclmulqdq $0x{ty:02x}, {args}' => '.byte {hexified_disas}',") | ||
| elif match := NON_PCLMUL_RE.match(line): | ||
| hexified_disas = hexify_disas(match.group('disas')) | ||
| args = match.group('args').replace(',', ', ') | ||
| print(f" '{match.group('instruction').ljust(16)}{args}' => '.byte {hexified_disas}',") | ||
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| if __name__ == '__main__': | ||
| main() |