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[AIX]export function descriptor symbols related to template functions. #101920

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Merged
merged 3 commits into from
Aug 6, 2024
Merged

[AIX]export function descriptor symbols related to template functions. #101920

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d879fb6
[AIX]export function descriptor symbols related to template funcionts.
Aug 5, 2024
cfc4644
address comments
Aug 6, 2024
2a06804
format fix
Aug 6, 2024
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7 changes: 5 additions & 2 deletions llvm/utils/extract_symbols.py
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Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,7 @@ def should_keep_itanium_symbol(symbol, calling_convention_decoration):
if not symbol.startswith("_") and not symbol.startswith("."):
return symbol
# Discard manglings that aren't nested names
match = re.match("_Z(T[VTIS])?(N.+)", symbol)
match = re.match("\.?_Z(T[VTIS])?(N.+)", symbol)
if not match:
return None
# Demangle the name. If the name is too complex then we don't need to keep
Expand Down Expand Up @@ -323,7 +323,7 @@ def get_template_name(sym, mangling):
if mangling == "microsoft":
names = parse_microsoft_mangling(sym)
else:
match = re.match("_Z(T[VTIS])?(N.+)", sym)
match = re.match("\.?_Z(T[VTIS])?(N.+)", sym)
if match:
names, _ = parse_itanium_nested_name(match.group(2))
else:
Expand Down Expand Up @@ -483,6 +483,9 @@ def parse_tool_path(parser, tool, val):
else:
outfile = sys.stdout
for k, v in list(symbol_defs.items()):
# On AIX, export function descriptors instead of function entries.
if platform.system() == "AIX" and k.startswith("."):
continue
template = get_template_name(k, args.mangling)
if v == 1 and (not template or template in template_instantiation_refs):
print(k, file=outfile)
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