gcc/testsuite/gcc.c-torture/compile/20090907-1.c

   1 struct platform_device;
   2 typedef unsigned long __kernel_size_t;
   3 typedef unsigned short __u16;
   4 typedef unsigned int __u32;
   5 typedef unsigned char u8;
   6 typedef unsigned short u16;
   7 typedef __kernel_size_t size_t;
   8 typedef __u32 uint32_t;
   9 static inline __attribute__ ((always_inline))
  10 uint32_t __attribute__ ((pure)) bfin_dspid (void)
  11 {
  12     return ( {
  13             uint32_t __v; __v;}
  14     );
  15 }
  16 struct list_head {
  17     struct list_head *next, *prev;
  18 };
  19 struct page {
  20     union {
  21     };
  22     struct list_head lru;
  23 };
  24 struct device_driver {
  25     const char *name;
  26     struct module *owner;
  27 };
  28 struct fb_info {
  29     struct device *dev;
  30 };
  31 struct platform_driver {
  32     int (*probe) (struct platform_device *);
  33     int (*remove) (struct platform_device *);
  34     struct device_driver driver;
  35 };
  36 struct firmware {
  37     size_t size;
  38     const u8 *data;
  39 };
  40 struct metronomefb_par {
  41     struct fb_info *info;
  42 };
  43 struct waveform_hdr {
  44     u8 trc;
  45 };
  46 static u8 calc_cksum (int start, int end, u8 * mem)
  47 {
  48     u8 tmp = 0;
  49     int i;
  50     for (i = start; i < end; i++)
  51         tmp += mem[i];
  52     return tmp;
  53 }
  54 extern struct waveform_hdr *wfm_hdr;
  55 extern int wmta;
  56
  57 static int
  58 load_waveform (u8 * mem, size_t size, int m, int t, struct metronomefb_par *par)
  59 {
  60     int tta;
  61     int trn = 0;
  62     int i;
  63     u8 cksum;
  64     int cksum_idx;
  65     struct device *dev = par->info->dev;
  66     for (i = 0; i <= sizeof (*wfm_hdr) + wfm_hdr->trc; i++) {
  67         if (mem[i] > t) {
  68             trn = i - sizeof (*wfm_hdr) - 1;
  69         }
  70     }
  71     tta = * (mem + wmta + m * 4) & 0x00FFFFFF;
  72     cksum_idx = tta + trn * 4 + 3;
  73     cksum = calc_cksum (cksum_idx - 3, cksum_idx, mem);
  74     if (cksum != mem[cksum_idx]) {
  75         abort();
  76     }
  77 }
  78 extern struct firmware *fw_entry;
  79 extern struct metronomefb_par *par;
  80
  81 int metronomefb_probe (struct platform_device *dev)
  82 {
  83         return load_waveform ((u8 *) fw_entry->data, fw_entry->size, 3, 31, par);
  84 }