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pwndbg/tests/binaries/host/search_memory.native.c

43 lines
795 B
C

/* For testing the search command.
*
* We just spray some known patterns into memory
*/
#include <stdlib.h>
#include <string.h>
void break_here(void) {}
size_t marker = 0xABCDEF1234567890;
static const char* literal = "Hello!";
int main(void)
{
void *p;
size_t *heap_marker;
size_t local_marker;
p = malloc(0x100000);
memset(p, 0x0, 0x100000);
// Pattern we want to find with -i 0x1000
for (int i = 0; i < 0x100000; i += 0x100) {
*(unsigned int *)(p + i) = 0xd00dbeef;
}
// Pattern we want to avoid with -a 0x8
for (int i = 0; i < 0x100000; i += 0x100) {
*(unsigned int *)(p + i + 0x17) = 0xd00dbeef;
}
heap_marker = malloc(8);
*heap_marker = marker;
local_marker = marker;
break_here();
return 0;
}