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Bug 1455693: Check for memory allocation failures in FormatWasmFrame; r=yury
--HG-- extra : rebase_source : 90aec420bce264fadf001451c611b28bb3efe66c
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@ -1051,21 +1051,26 @@ FormatFrame(JSContext* cx, const FrameIter& iter, JS::UniqueChars&& inBuf, int n
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static JS::UniqueChars
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FormatWasmFrame(JSContext* cx, const FrameIter& iter, JS::UniqueChars&& inBuf, int num)
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{
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JSAtom* functionDisplayAtom = iter.functionDisplayAtom();
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UniqueChars nameStr;
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if (functionDisplayAtom)
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if (JSAtom* functionDisplayAtom = iter.functionDisplayAtom()) {
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nameStr = StringToNewUTF8CharsZ(cx, *functionDisplayAtom);
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if (!nameStr)
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return nullptr;
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}
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JS::UniqueChars buf = sprintf_append(cx, Move(inBuf), "%d %s()",
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num,
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nameStr ? nameStr.get() : "<wasm-function>");
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if (!buf)
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return nullptr;
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const char* filename = iter.filename();
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uint32_t lineno = iter.computeLine();
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buf = sprintf_append(cx, Move(buf), " [\"%s\":%d]\n",
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filename ? filename : "<unknown>",
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lineno);
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if (!buf)
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return nullptr;
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MOZ_ASSERT(!cx->isExceptionPending());
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return buf;
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