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GH-119726: Deduplicate AArch64 trampolines within a trace (GH-123872)

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Diego Russo 2024-10-02 20:07:20 +01:00 • committed by GitHub
parent 7a178b7605
commit b85923a0fe
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5 changed files with 146 additions and 58 deletions
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7
Tools/jit/_targets.py
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@ -44,6 +44,7 @@ class _Target(typing.Generic[_S, _R]):
stable: bool = False
debug: bool = False
verbose: bool = False
known_symbols: dict[str, int] = dataclasses.field(default_factory=dict)
def _compute_digest(self, out: pathlib.Path) -> str:
hasher = hashlib.sha256()
@ -95,7 +96,9 @@ class _Target(typing.Generic[_S, _R]):
if group.data.body:
line = f"0: {str(bytes(group.data.body)).removeprefix('b')}"
group.data.disassembly.append(line)
group.process_relocations(alignment=self.alignment)
group.process_relocations(
known_symbols=self.known_symbols, alignment=self.alignment
)
return group
def _handle_section(self, section: _S, group: _stencils.StencilGroup) -> None:
@ -231,7 +234,7 @@ class _Target(typing.Generic[_S, _R]):
if comment:
file.write(f"// {comment}\n")
file.write("\n")
for line in _writer.dump(stencil_groups):
for line in _writer.dump(stencil_groups, self.known_symbols):
file.write(f"{line}\n")
try:
jit_stencils_new.replace(jit_stencils)