/* { dg-do compile { target cris-*-* } } */
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/* { dg-do compile { target cris-*-* } } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2" } */
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/* { dg-final { scan-assembler "\\\.ifnc \\\$r9-\\\$r10-\\\$r11-\\\$r12" } } */
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/* { dg-final { scan-assembler "\\\.ifnc \\\$r9-\\\$r10-\\\$r11-\\\$r12" } } */
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/* Sanity check for asm register operands in syscall failed for
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/* Sanity check for asm register operands in syscall failed for
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cris-axis-linux-gnu due to regmove bug.
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cris-axis-linux-gnu due to regmove bug.
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Hans-Peter Nilsson <hp@axis.com>. */
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Hans-Peter Nilsson <hp@axis.com>. */
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extern void lseek64 (int, long long, int);
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extern void lseek64 (int, long long, int);
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extern int *__errno_location (void);
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extern int *__errno_location (void);
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struct dirent64
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struct dirent64
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{
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{
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long long d_off;
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long long d_off;
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unsigned short int d_reclen;
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unsigned short int d_reclen;
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char d_name[256];
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char d_name[256];
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};
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};
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struct kernel_dirent64
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struct kernel_dirent64
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{
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{
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long long d_off;
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long long d_off;
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unsigned short d_reclen;
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unsigned short d_reclen;
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char d_name[256];
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char d_name[256];
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};
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};
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static inline int __attribute__ ((__always_inline__))
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static inline int __attribute__ ((__always_inline__))
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__syscall_getdents64 (int fd, char * dirp, unsigned count)
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__syscall_getdents64 (int fd, char * dirp, unsigned count)
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{
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{
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register unsigned long __sys_res asm ("r10");
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register unsigned long __sys_res asm ("r10");
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register unsigned long __r10 __asm__ ("r10") = (unsigned long) fd;
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register unsigned long __r10 __asm__ ("r10") = (unsigned long) fd;
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register unsigned long __r11 __asm__ ("r11") = (unsigned long) dirp;
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register unsigned long __r11 __asm__ ("r11") = (unsigned long) dirp;
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register unsigned long __r12 __asm__ ("r12") = (unsigned long) count;
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register unsigned long __r12 __asm__ ("r12") = (unsigned long) count;
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register unsigned long __callno asm ("r9") = (220);
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register unsigned long __callno asm ("r9") = (220);
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asm volatile (".ifnc %1-%0-%3-%4,$r9-$r10-$r11-$r12\n\t"
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asm volatile (".ifnc %1-%0-%3-%4,$r9-$r10-$r11-$r12\n\t"
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".err\n\t"
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".err\n\t"
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".endif\n\t"
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".endif\n\t"
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"break 13"
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"break 13"
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: "=r" (__sys_res)
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: "=r" (__sys_res)
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: "r" (__callno), "0" (__r10), "r" (__r11), "r" (__r12)
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: "r" (__callno), "0" (__r10), "r" (__r11), "r" (__r12)
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: "memory");
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: "memory");
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if (__sys_res >= (unsigned long) -4096)
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if (__sys_res >= (unsigned long) -4096)
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{
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{
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(*__errno_location ()) = - __sys_res;
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(*__errno_location ()) = - __sys_res;
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__sys_res = -1;
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__sys_res = -1;
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}
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}
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return __sys_res;
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return __sys_res;
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}
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}
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int
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int
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__getdents64 (int fd, char *buf, unsigned nbytes)
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__getdents64 (int fd, char *buf, unsigned nbytes)
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{
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{
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struct dirent64 *dp;
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struct dirent64 *dp;
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long long last_offset = -1;
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long long last_offset = -1;
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int retval;
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int retval;
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struct kernel_dirent64 *skdp, *kdp;
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struct kernel_dirent64 *skdp, *kdp;
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dp = (struct dirent64 *) buf;
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dp = (struct dirent64 *) buf;
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skdp = kdp = __builtin_alloca (nbytes);
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skdp = kdp = __builtin_alloca (nbytes);
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retval = __syscall_getdents64(fd, (char *)kdp, nbytes);
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retval = __syscall_getdents64(fd, (char *)kdp, nbytes);
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if (retval == -1)
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if (retval == -1)
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return -1;
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return -1;
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while ((char *) kdp < (char *) skdp + retval)
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while ((char *) kdp < (char *) skdp + retval)
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{
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{
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if ((char *) dp > buf + nbytes)
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if ((char *) dp > buf + nbytes)
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{
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{
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lseek64(fd, last_offset, 0);
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lseek64(fd, last_offset, 0);
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break;
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break;
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}
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}
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last_offset = kdp->d_off;
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last_offset = kdp->d_off;
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__builtin_memcpy (dp->d_name, kdp->d_name, kdp->d_reclen - 10);
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__builtin_memcpy (dp->d_name, kdp->d_name, kdp->d_reclen - 10);
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dp = (struct dirent64 *) ((char *) dp + sizeof (*dp));
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dp = (struct dirent64 *) ((char *) dp + sizeof (*dp));
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kdp = (struct kernel_dirent64 *) (((char *) kdp) + kdp->d_reclen);
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kdp = (struct kernel_dirent64 *) (((char *) kdp) + kdp->d_reclen);
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}
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}
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return (char *) dp - buf;
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return (char *) dp - buf;
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}
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}
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