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use VirtualProtect for recent vc

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MITSUNARI Shigeo 2017-04-10 17:50:01 +09:00
parent 4b235f7085
commit e10a7e7f7c
1 changed files with 15 additions and 4 deletions
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19
sample/bf.cpp
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@ -152,17 +152,28 @@ public:
void dump(const Xbyak::uint8 *code, size_t size)
{
puts("#include <stdio.h>\nstatic int stack[128 * 1024];\nstatic const unsigned char code[] = {");
puts("#include <stdio.h>\nstatic int stack[128 * 1024];");
#ifdef _MSC_VER
printf("static __declspec(align(4096)) ");
#else
printf("static __attribute__((aligned(4096)))");
#endif
puts("const unsigned char code[] = {");
for (size_t i = 0; i < size; i++) {
printf("0x%02x,", code[i]); if ((i % 16) == 15) putchar('\n');
}
puts("\n};");
#ifndef _MSC_VER
#ifdef _MSC_VER
puts("#include <windows.h>");
#else
puts("#include <unistd.h>");
puts("#include <sys/mman.h>");
#endif
puts("main()\n{");
#ifndef _MSC_VER
puts("int main()\n{");
#ifdef _MSC_VER
puts("\tDWORD oldProtect;");
puts("\tVirtualProtect((void*)code, sizeof(code), PAGE_EXECUTE_READWRITE, &oldProtect);");
#else
puts("\tlong pageSize = sysconf(_SC_PAGESIZE) - 1;");
puts("\tmprotect((void*)code, (sizeof(code) + pageSize) & ~pageSize, PROT_READ | PROT_EXEC);");
#endif