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[BOLT] Use llvm-nm by default on Windows (#151805)

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Use `llvm-nm` by default instead of `nm` in case of Windows host.
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Dmitry Vasilyev 2025-08-05 11:33:26 +04:00 committed by GitHub
parent 6393a9edde
commit c233deb794
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1 changed files with 10 additions and 2 deletions
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12
bolt/test/link_fdata.py
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@ -9,6 +9,7 @@ respective anchor symbols, and prints the resulting file to stdout.
import argparse
import os
import platform
import shutil
import subprocess
import sys
@ -19,7 +20,11 @@ parser.add_argument("input")
parser.add_argument("objfile", help="Object file to extract symbol values from")
parser.add_argument("output")
parser.add_argument("prefix", nargs="?", default="FDATA", help="Custom FDATA prefix")
parser.add_argument("--nmtool", default="nm", help="Path to nm tool")
parser.add_argument(
"--nmtool",
default="llvm-nm" if platform.system() == "Windows" else "nm",
help="Path to nm tool",
)
parser.add_argument("--no-lbr", action="store_true")
parser.add_argument("--no-redefine", action="store_true")
@ -86,7 +91,10 @@ with open(args.input, "r") as f:
exit("ERROR: unexpected input:\n%s" % line)
# Read nm output: <symbol value> <symbol type> <symbol name>
is_llvm_nm = os.path.basename(os.path.realpath(shutil.which(args.nmtool))) == "llvm-nm"
# Ignore .exe on Windows host.
is_llvm_nm = os.path.basename(os.path.realpath(shutil.which(args.nmtool))).startswith(
"llvm-nm"
)
nm_output = subprocess.run(
[
args.nmtool,