Merge pull request #183 from selsta/map_jit

virtual_memory: add MAP_JIT on macOS
This commit is contained in:
tevador
2020-11-21 20:45:04 +01:00
committed by GitHub

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@@ -99,7 +99,17 @@ void* allocMemoryPages(std::size_t bytes) {
#else
#define RESERVED_FLAGS 0
#endif
mem = mmap(nullptr, bytes, PAGE_READWRITE | RESERVED_FLAGS, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
#ifdef __APPLE__
#include <TargetConditionals.h>
#ifdef TARGET_OS_OSX
#define MEXTRA MAP_JIT
#else
#define MEXTRA 0
#endif
#else
#define MEXTRA 0
#endif
mem = mmap(nullptr, bytes, PAGE_READWRITE | RESERVED_FLAGS, MAP_ANONYMOUS | MAP_PRIVATE | MEXTRA, -1, 0);
if (mem == MAP_FAILED)
throw std::runtime_error("allocMemoryPages - mmap failed");
#endif