static void write_gcda(char *addr, struct gcov_info* gi)
{
const char* filename = SKIBOOT_ADDR(addr, gi->filename);
int fd;
u32 fn;
struct gcov_fn_info *fn_info;
struct gcov_fn_info **functions;
struct gcov_ctr_info *ctr_info;
u32 ctr;
u32 cv;
printf("Writing %s\n", filename);
fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR);
write_u32(fd, GCOV_DATA_MAGIC);
write_u32(fd, be32toh(gi->version));
write_u32(fd, be32toh(gi->stamp));
//printf("nfunctions: %d \n", be32toh(gi->n_functions));
for(fn = 0; fn < be32toh(gi->n_functions); fn++) {
functions = (struct gcov_fn_info**)
SKIBOOT_ADDR(addr, gi->functions);
fn_info = (struct gcov_fn_info*)
SKIBOOT_ADDR(addr, functions[fn]);
write_u32(fd, GCOV_TAG_FUNCTION);
write_u32(fd, GCOV_TAG_FUNCTION_LENGTH);
write_u32(fd, be32toh(fn_info->ident));
write_u32(fd, be32toh(fn_info->lineno_checksum));
write_u32(fd, be32toh(fn_info->cfg_checksum));
ctr_info = (struct gcov_ctr_info*)
((char*)fn_info + sizeof(struct gcov_fn_info));
for(ctr = 0; ctr < GCOV_COUNTERS; ctr++) {
if (!counter_active(gi, ctr))
continue;
write_u32(fd, (GCOV_TAG_FOR_COUNTER(ctr)));
write_u32(fd, be32toh(ctr_info->num)*2);
/* printf(" ctr %d gcov_ctr_info->num %u\n",
* ctr, be32toh(ctr_info->num));
*/
for(cv = 0; cv < be32toh(ctr_info->num); cv++) {
gcov_type *ctrv = (gcov_type *)
SKIBOOT_ADDR(addr, ctr_info->values);
//printf("%lx\n", be64toh(ctrv[cv]));
write_u64(fd, be64toh(ctrv[cv]));
}
ctr_info++;
}
}
close(fd);
}
static inline int next_type(const struct gcov_info *info, int *type)
{
while ( ++*type < XENCOV_COUNTERS && !counter_active(info, *type) )
continue;
return *type;
}
