12345678910111213141516171819202122232425262728293031323334353637 |
- /* From libc-5.3.12 */
- #include <unistd.h>
- #include <sys/syscall.h>
- #include <errno.h>
- #include "sysdep.h"
- extern void *__curbrk;
- libc_hidden_proto(__curbrk)
- void * __curbrk = 0;
- libc_hidden_data_def(__curbrk)
- extern int __init_brk (void);
- libc_hidden_proto(__init_brk)
- int
- __init_brk (void)
- {
- if (__curbrk == 0) {
- /* Notice that we don't need to save/restore the GOT
- * register since that is not call clobbered by the syscall.
- */
- asm ("clear.d $r10\n\t"
- "movu.w " STR(__NR_brk) ",$r9\n\t"
- "break 13\n\t"
- "move.d $r10, %0"
- : "=r" (__curbrk)
- :
- : "r9", "r10");
- if (__curbrk == 0) {
- __set_errno(ENOMEM);
- return -1;
- }
- }
- return 0;
- }
- libc_hidden_def(__init_brk)
|