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GH-108716: Turn off deep-freezing of code objects. (GH-108722)

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Mark Shannon 2023-09-08 10:34:40 +01:00 • committed by GitHub
parent 00cf626cd4
commit 15d4c9fabc
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15 changed files with 50 additions and 86 deletions
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30
Tools/build/freeze_modules.py
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@ -467,15 +467,14 @@ def replace_block(lines, start_marker, end_marker, replacements, file):
return lines[:start_pos + 1] + replacements + lines[end_pos:]
def regen_frozen(modules, frozen_modules: bool):
def regen_frozen(modules):
headerlines = []
parentdir = os.path.dirname(FROZEN_FILE)
if frozen_modules:
for src in _iter_sources(modules):
# Adding a comment to separate sections here doesn't add much,
# so we don't.
header = relpath_for_posix_display(src.frozenfile, parentdir)
headerlines.append(f'#include "{header}"')
for src in _iter_sources(modules):
# Adding a comment to separate sections here doesn't add much,
# so we don't.
header = relpath_for_posix_display(src.frozenfile, parentdir)
headerlines.append(f'#include "{header}"')
externlines = []
bootstraplines = []
@ -504,14 +503,9 @@ def regen_frozen(modules, frozen_modules: bool):
get_code_name = "_Py_get_%s_toplevel" % code_name
externlines.append("extern PyObject *%s(void);" % get_code_name)
symbol = mod.symbol
pkg = 'true' if mod.ispkg else 'false'
if not frozen_modules:
line = ('{"%s", NULL, 0, %s, GET_CODE(%s)},'
) % (mod.name, pkg, code_name)
else:
line = ('{"%s", %s, (int)sizeof(%s), %s, GET_CODE(%s)},'
) % (mod.name, symbol, symbol, pkg, code_name)
size = f"(int)sizeof({mod.symbol})"
line = f'{{"{mod.name}", {mod.symbol}, {size}, {pkg}}},'
lines.append(line)
if mod.isalias:
@ -718,20 +712,14 @@ def regen_pcbuild(modules):
#######################################
# the script
parser = argparse.ArgumentParser()
parser.add_argument("--frozen-modules", action="store_true",
help="Use both frozen and deepfrozen modules. (default: uses only deepfrozen modules)")
def main():
args = parser.parse_args()
frozen_modules: bool = args.frozen_modules
# Expand the raw specs, preserving order.
modules = list(parse_frozen_specs())
# Regen build-related files.
regen_makefile(modules)
regen_pcbuild(modules)
regen_frozen(modules, frozen_modules)
regen_frozen(modules)
if __name__ == '__main__':