On Wed, 4 Sep 2013 16:42:54 +0200 Frantisek Hrbata <fhrbata@xxxxxxxxxx> wrote: > The gcov in-memory format changed in gcc 4.7. The biggest change, which > requires this special implementation, is that gcov_info no longer contains > array of counters for each counter type for all functions and gcov_fn_info is > not used for mapping of function's counters to these arrays(offset). Now each > gcov_fn_info contans it's counters, which makes things a little bit easier. > > This is heavily based on the previous gcc_3_4.c implementation and patches > provided by Peter Oberparleiter. Specially the buffer gcda implementation for > iterator. A couple of little tweaks: --- a/kernel/gcov/gcc_4_7.c~gcov-add-support-for-gcc-47-gcov-format-fix +++ a/kernel/gcov/gcc_4_7.c @@ -254,11 +254,10 @@ struct gcov_info *gcov_info_dup(struct g size_t fi_size; /* function info size */ size_t cv_size; /* counter values size */ - dup = kmalloc(sizeof(struct gcov_info), GFP_KERNEL); + dup = kmemdup(info, sizeof(*dup), GFP_KERNEL); if (!dup) return NULL; - *dup = *info; dup->next = NULL; dup->filename = NULL; dup->functions = NULL; @@ -267,8 +266,8 @@ struct gcov_info *gcov_info_dup(struct g if (!dup->filename) goto err_free; - dup->functions = kzalloc(sizeof(struct gcov_fn_info *) * - info->n_functions, GFP_KERNEL); + dup->functions = kcalloc(sizeof(struct gcov_fn_info *), + info->n_functions, GFP_KERNEL); if (!dup->functions) goto err_free; _ -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
