36 lines
634 B
C
36 lines
634 B
C
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#include "memmap.h"
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#ifdef MMAP_JIT_CACHE
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#ifdef WIN32
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#include <windows.h>
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#include <io.h>
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void *map_jit_block(unsigned size) {
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return VirtualAlloc(0, size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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}
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void unmap_jit_block(void *bufptr, unsigned size) {
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VirtualFree(bufptr, 0, MEM_RELEASE);
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}
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#else
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#include <sys/mman.h>
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// Posix implementation
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void *map_jit_block(unsigned size) {
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return mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
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}
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void unmap_jit_block(void *bufptr, unsigned size) {
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munmap(bufptr, size);
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}
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#endif /* WIN32 */
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#endif /* MMAP_JIT_CACHE */
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