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Merge pull request #217 from hyc/issue216

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Fix #216 - MacOS JIT privs are not ARM-specific
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tevador 2021-11-06 21:51:16 +01:00 committed by GitHub
commit b27283a708
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1 changed files with 3 additions and 11 deletions
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src/virtual_memory.cpp
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@ -36,7 +36,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifdef __APPLE__ #ifdef __APPLE__
#include <mach/vm_statistics.h> #include <mach/vm_statistics.h>
#include <TargetConditionals.h> #include <TargetConditionals.h>
# if defined(__aarch64__) && TARGET_OS_OSX # ifdef TARGET_OS_OSX
# define USE_PTHREAD_JIT_WP 1 # define USE_PTHREAD_JIT_WP 1
# include <pthread.h> # include <pthread.h>
# endif # endif
@ -104,19 +104,11 @@ void* allocMemoryPages(std::size_t bytes) {
#else #else
#define RESERVED_FLAGS 0 #define RESERVED_FLAGS 0
#endif #endif
#ifdef __APPLE__
#include <TargetConditionals.h>
#ifdef TARGET_OS_OSX
#define MEXTRA MAP_JIT
#else
#define MEXTRA 0
#endif
#else
#define MEXTRA 0
#endif
#ifdef USE_PTHREAD_JIT_WP #ifdef USE_PTHREAD_JIT_WP
#define MEXTRA MAP_JIT
#define PEXTRA PROT_EXEC #define PEXTRA PROT_EXEC
#else #else
#define MEXTRA 0
#define PEXTRA 0 #define PEXTRA 0
#endif #endif
mem = mmap(nullptr, bytes, PAGE_READWRITE | RESERVED_FLAGS | PEXTRA, MAP_ANONYMOUS | MAP_PRIVATE | MEXTRA, -1, 0); mem = mmap(nullptr, bytes, PAGE_READWRITE | RESERVED_FLAGS | PEXTRA, MAP_ANONYMOUS | MAP_PRIVATE | MEXTRA, -1, 0);