| OLD | NEW |
| 1 #include <sys/mman.h> | 1 #include <sys/mman.h> |
| 2 #include "libc.h" | 2 #include "libc.h" |
| 3 #include "syscall.h" | 3 #include "syscall.h" |
| 4 | 4 |
| 5 int __mprotect(void *addr, size_t len, int prot) | 5 int __mprotect(void* addr, size_t len, int prot) { |
| 6 { | 6 size_t start, end; |
| 7 » size_t start, end; | 7 start = (size_t)addr & -PAGE_SIZE; |
| 8 » start = (size_t)addr & -PAGE_SIZE; | 8 end = (size_t)((char*)addr + len + PAGE_SIZE - 1) & -PAGE_SIZE; |
| 9 » end = (size_t)((char *)addr + len + PAGE_SIZE-1) & -PAGE_SIZE; | 9 return syscall(SYS_mprotect, start, end - start, prot); |
| 10 » return syscall(SYS_mprotect, start, end-start, prot); | |
| 11 } | 10 } |
| 12 | 11 |
| 13 weak_alias(__mprotect, mprotect); | 12 weak_alias(__mprotect, mprotect); |
| OLD | NEW |