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535787b9ec527bb12acbb80a53aadc4ab760c7b3
[musl]
/
mprotect.c
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#include <sys/mman.h>
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#include "libc.h"
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#include "syscall.h"
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int __mprotect(void *addr, size_t len, int prot)
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{
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size_t start, end;
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start = (size_t)addr & -PAGE_SIZE;
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end = (size_t)((char *)addr + len + PAGE_SIZE-1) & -PAGE_SIZE;
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return syscall(SYS_mprotect, start, end-start, prot);
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}
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weak_alias(__mprotect, mprotect);