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Bug 1480834 - 3. Fix linker compile errors under x86-64; r=glandium
The linker has x86-64 support but currently fails to compile. This patch fixes these compile errors to make it build under x86-64. Differential Revision: https://phabricator.services.mozilla.com/D4481
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@ -284,8 +284,8 @@ public:
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length, str, buf);
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return new _MappableBuffer(fd.forget(), buf, length);
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}
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#elif defined(__i386__) || defined(__aarch64__)
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// Address decreases on x86 and AArch64.
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#elif defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
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// Address decreases on x86, x86-64, and AArch64.
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size_t anon_mapping_length = length + PAGE_SIZE;
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void *buf = ::mmap(nullptr, anon_mapping_length, PROT_NONE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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@ -350,7 +350,7 @@ public:
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/* Free the additional page we allocated. See _MappableBuffer::Create */
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#if defined(__arm__)
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::munmap(AlignedEndPtr(*this + GetLength(), PAGE_SIZE), PAGE_SIZE);
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#elif defined(__i386__) || defined(__aarch64__)
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#elif defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
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::munmap(*this - PAGE_SIZE, GetLength() + PAGE_SIZE);
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#else
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#error need to add a case for your CPU
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