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[Bug] Don't crash when formatting label without having an emitter

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kobalicek
2023-03-10 20:20:20 +01:00
parent 1098b7d887
commit d7edac813a
1 changed files with 22 additions and 21 deletions
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43
src/asmjit/core/formatter.cpp
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@@ -123,32 +123,33 @@ Error formatLabel(
DebugUtils::unused(formatFlags); DebugUtils::unused(formatFlags);
const LabelEntry* le = emitter->code()->labelEntry(labelId); if (emitter && emitter->code()) {
if (ASMJIT_UNLIKELY(!le)) const LabelEntry* le = emitter->code()->labelEntry(labelId);
return sb.appendFormat("<InvalidLabel:%u>", labelId); if (ASMJIT_UNLIKELY(!le))
return sb.appendFormat("<InvalidLabel:%u>", labelId);
if (le->hasName()) { if (le->hasName()) {
if (le->hasParent()) { if (le->hasParent()) {
uint32_t parentId = le->parentId(); uint32_t parentId = le->parentId();
const LabelEntry* pe = emitter->code()->labelEntry(parentId); const LabelEntry* pe = emitter->code()->labelEntry(parentId);
if (ASMJIT_UNLIKELY(!pe)) if (ASMJIT_UNLIKELY(!pe))
ASMJIT_PROPAGATE(sb.appendFormat("<InvalidLabel:%u>", labelId)); ASMJIT_PROPAGATE(sb.appendFormat("<InvalidLabel:%u>", labelId));
else if (ASMJIT_UNLIKELY(!pe->hasName())) else if (ASMJIT_UNLIKELY(!pe->hasName()))
ASMJIT_PROPAGATE(sb.appendFormat("L%u", parentId)); ASMJIT_PROPAGATE(sb.appendFormat("L%u", parentId));
else else
ASMJIT_PROPAGATE(sb.append(pe->name())); ASMJIT_PROPAGATE(sb.append(pe->name()));
ASMJIT_PROPAGATE(sb.append('.')); ASMJIT_PROPAGATE(sb.append('.'));
}
if (le->type() == LabelType::kAnonymous)
ASMJIT_PROPAGATE(sb.appendFormat("L%u@", labelId));
return sb.append(le->name());
} }
}
if (le->type() == LabelType::kAnonymous) return sb.appendFormat("L%u", labelId);
ASMJIT_PROPAGATE(sb.appendFormat("L%u@", labelId));
return sb.append(le->name());
}
else {
return sb.appendFormat("L%u", labelId);
}
} }
Error formatRegister( Error formatRegister(