6ae378ef6d
This commit also moves the location of WRKSRC so that no patches are applied to files in parent directories of WRKSRC.
24 lines
815 B
C++
24 lines
815 B
C++
$NetBSD: patch-js_src_vm_ArrayBufferObject.cpp,v 1.1 2020/12/05 12:03:26 nia Exp $
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PaX MPROTECT safety for NetBSD
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--- js/src/vm/ArrayBufferObject.cpp.orig 2020-11-04 10:52:03.000000000 +0000
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+++ js/src/vm/ArrayBufferObject.cpp
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@@ -164,9 +164,17 @@ void* js::MapBufferMemory(size_t mappedS
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return nullptr;
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}
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#else // XP_WIN
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+
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+#ifdef PROT_MPROTECT
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+ void* data =
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+ MozTaggedAnonymousMmap(nullptr, mappedSize,
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+ PROT_MPROTECT(PROT_EXEC | PROT_WRITE | PROT_READ),
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+ MAP_PRIVATE | MAP_ANON, -1, 0, "wasm-reserved");
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+#else
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void* data =
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MozTaggedAnonymousMmap(nullptr, mappedSize, PROT_NONE,
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MAP_PRIVATE | MAP_ANON, -1, 0, "wasm-reserved");
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+#endif
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if (data == MAP_FAILED) {
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return nullptr;
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}
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