diff options
Diffstat (limited to 'kernel/gcov/clang.c')
| -rw-r--r-- | kernel/gcov/clang.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/kernel/gcov/clang.c b/kernel/gcov/clang.c index 8743150db2ac..b81f2823630d 100644 --- a/kernel/gcov/clang.c +++ b/kernel/gcov/clang.c @@ -70,7 +70,9 @@ struct gcov_fn_info { u32 ident; u32 checksum; +#if CONFIG_CLANG_VERSION < 110000 u8 use_extra_checksum; +#endif u32 cfg_checksum; u32 num_counters; @@ -145,10 +147,8 @@ void llvm_gcda_emit_function(u32 ident, const char *function_name, list_add_tail(&info->head, ¤t_info->functions); } -EXPORT_SYMBOL(llvm_gcda_emit_function); #else -void llvm_gcda_emit_function(u32 ident, u32 func_checksum, - u8 use_extra_checksum, u32 cfg_checksum) +void llvm_gcda_emit_function(u32 ident, u32 func_checksum, u32 cfg_checksum) { struct gcov_fn_info *info = kzalloc(sizeof(*info), GFP_KERNEL); @@ -158,12 +158,11 @@ void llvm_gcda_emit_function(u32 ident, u32 func_checksum, INIT_LIST_HEAD(&info->head); info->ident = ident; info->checksum = func_checksum; - info->use_extra_checksum = use_extra_checksum; info->cfg_checksum = cfg_checksum; list_add_tail(&info->head, ¤t_info->functions); } -EXPORT_SYMBOL(llvm_gcda_emit_function); #endif +EXPORT_SYMBOL(llvm_gcda_emit_function); void llvm_gcda_emit_arcs(u32 num_counters, u64 *counters) { @@ -293,11 +292,16 @@ int gcov_info_is_compatible(struct gcov_info *info1, struct gcov_info *info2) !list_is_last(&fn_ptr2->head, &info2->functions)) { if (fn_ptr1->checksum != fn_ptr2->checksum) return false; +#if CONFIG_CLANG_VERSION < 110000 if (fn_ptr1->use_extra_checksum != fn_ptr2->use_extra_checksum) return false; if (fn_ptr1->use_extra_checksum && fn_ptr1->cfg_checksum != fn_ptr2->cfg_checksum) return false; +#else + if (fn_ptr1->cfg_checksum != fn_ptr2->cfg_checksum) + return false; +#endif fn_ptr1 = list_next_entry(fn_ptr1, head); fn_ptr2 = list_next_entry(fn_ptr2, head); } @@ -365,7 +369,7 @@ static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn) INIT_LIST_HEAD(&fn_dup->head); cv_size = fn->num_counters * sizeof(fn->counters[0]); - fn_dup->counters = vmalloc(cv_size); + fn_dup->counters = kvmalloc(cv_size, GFP_KERNEL); if (!fn_dup->counters) { kfree(fn_dup); return NULL; @@ -529,17 +533,22 @@ static size_t convert_to_gcda(char *buffer, struct gcov_info *info) list_for_each_entry(fi_ptr, &info->functions, head) { u32 i; - u32 len = 2; - - if (fi_ptr->use_extra_checksum) - len++; pos += store_gcov_u32(buffer, pos, GCOV_TAG_FUNCTION); - pos += store_gcov_u32(buffer, pos, len); +#if CONFIG_CLANG_VERSION < 110000 + pos += store_gcov_u32(buffer, pos, + fi_ptr->use_extra_checksum ? 3 : 2); +#else + pos += store_gcov_u32(buffer, pos, 3); +#endif pos += store_gcov_u32(buffer, pos, fi_ptr->ident); pos += store_gcov_u32(buffer, pos, fi_ptr->checksum); +#if CONFIG_CLANG_VERSION < 110000 if (fi_ptr->use_extra_checksum) pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); +#else + pos += store_gcov_u32(buffer, pos, fi_ptr->cfg_checksum); +#endif pos += store_gcov_u32(buffer, pos, GCOV_TAG_COUNTER_BASE); pos += store_gcov_u32(buffer, pos, fi_ptr->num_counters * 2); |