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- #include <unistd.h>
- #include <sys/syscall.h>
- #include <errno.h>
- void * __curbrk = 0;
- int brk (void *addr)
- {
- void *newbrk;
- __asm__ __volatile__ ("movel %2,%/d1\n\t"
- "moveq %1,%/d0\n\t"
- "trap #0\n\t"
- "movel %/d0,%0"
- :"=g" (newbrk)
- :"i" (__NR_brk),"g" (addr) : "%d0", "%d1");
- __curbrk = newbrk;
- if (newbrk < addr)
- {
- __set_errno (ENOMEM);
- return -1;
- }
- return 0;
- }
- libc_hidden_def(brk)
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