mirror of
https://github.com/reactos/reactos.git
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66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/*
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* $Id$
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <windows.h>
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#include <pseh/pseh.h>
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int test(int x)
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{
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return x+1;
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}
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void execute(char* message, int(*func)(int))
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{
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ULONG status = 0;
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ULONG result;
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printf("%s ... ", message);
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_SEH_TRY
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{
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result = func(1);
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}
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_SEH_HANDLE
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{
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status = _SEH_GetExceptionCode();
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}
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_SEH_END;
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if (status == 0)
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{
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printf("OK.\n");
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}
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else
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{
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printf("Error, status=%lx.\n", status);
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}
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}
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char data[100];
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int main(void)
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{
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unsigned char stack[100];
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void* heap;
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ULONG protection;
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printf("NoExecute\n");
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execute("Executing within the code segment", test);
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memcpy(data, test, 100);
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execute("Executing within the data segment", (int(*)(int))data);
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memcpy(stack, test, 100);
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execute("Executing on stack segment", (int(*)(int))stack);
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heap = VirtualAlloc(NULL, 100, MEM_COMMIT, PAGE_READWRITE);
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memcpy(heap, test, 100);
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execute("Executing on the heap with protection PAGE_READWRITE", (int(*)(int))heap);
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VirtualProtect(heap, 100, PAGE_EXECUTE, &protection);
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execute("Executing on the heap with protection PAGE_EXECUTE", (int(*)(int))heap);
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return 0;
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}
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