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https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-08 04:55:52 +00:00
27 lines
879 B
C
27 lines
879 B
C
#include <sys/mman.h>
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#include <stdio.h>
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int main()
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{
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char local;
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char *top = (char *)(((unsigned long)&local + 0x0fffffff) & ~0x0fffffff);
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if (mmap((void *)0x00000000, 0x10000, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANON|MAP_FIXED, -1, 0) == MAP_FAILED)
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perror("mmap @ 0x00000000");
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if (mmap((void *)0x00010000, 0x10000, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANON|MAP_FIXED, -1, 0) == MAP_FAILED)
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perror("mmap @ 0x00010000");
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if (mmap((void *)0x50000000, 0x10000, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANON|MAP_FIXED, -1, 0) == MAP_FAILED)
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perror("mmap @ 0x50000000");
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if (mmap(top, 0x10000, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANON|MAP_FIXED, -1, 0) == MAP_FAILED)
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perror("mmap @ top");
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if (mmap(top+0x08000000, 0x10000, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANON|MAP_FIXED, -1, 0) == MAP_FAILED)
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perror("mmap @ top+.5G");
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return 0;
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}
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