On 2/27/19 1:32 PM, Martin Liška wrote:
> Hi.
>
> The patch adds missing information into JSON intermediate format.
> Before the patch one can't assign 'lines' to 'functions' in case
> one has a group function (e.g. a template function).
>
> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
> I will install it if not objections.
>
> Thanks,
> Martin
>
> gcc/ChangeLog:
>
> 2019-02-27 Martin Liska
>
> * gcov.c (output_intermediate_json_line): When a line
> belongs to a group of functions, print function name
> for each of such line entry.
> (output_json_intermediate_file): Add new argument.
> * doc/gcov.texi: Document the change.
> ---
> gcc/doc/gcov.texi | 5 +
> gcc/gcov.c| 14 ++
> 2 files changed, 15 insertions(+), 4 deletions(-)
>
>
This is final version of the patch I'm going to install.
Martin
>From 90a136a54501ee4f8f4da4c21b44bb1399985688 Mon Sep 17 00:00:00 2001
From: marxin
Date: Wed, 27 Feb 2019 09:16:40 +0100
Subject: [PATCH] Improve JSON format: add function names for lines.
gcc/ChangeLog:
2019-03-05 Martin Liska
* gcov.c (output_intermediate_json_line): Print function
name of each line.
(output_json_intermediate_file): Add new argument.
* doc/gcov.texi: Document the change.
---
gcc/doc/gcov.texi | 5 +
gcc/gcov.c| 20
2 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi
index eaac2f69409..0960e4acb26 100644
--- a/gcc/doc/gcov.texi
+++ b/gcc/doc/gcov.texi
@@ -276,6 +276,7 @@ Each @var{line} has the following form:
"count": @var{count},
"line_number": @var{line_number},
"unexecuted_block": @var{unexecuted_block}
+ "function_name": @var{function_name},
@}
@end smallexample
@@ -294,6 +295,10 @@ Fields of the @var{line} element have following semantics:
(not all statements on the line are executed)
@end itemize
+@item
+@var{function_name}: a name of a function this @var{line} belongs to
+(for a line with an inlined statements can be not set)
+
Each @var{branch} has the following form:
@smallexample
diff --git a/gcc/gcov.c b/gcc/gcov.c
index 9e27a826ea4..37e787a1823 100644
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -1041,17 +1041,21 @@ process_args (int argc, char **argv)
return optind;
}
-/* Output intermediate LINE sitting on LINE_NUM to JSON OBJECT. */
+/* Output intermediate LINE sitting on LINE_NUM to JSON OBJECT.
+ Add FUNCTION_NAME to the LINE. */
static void
output_intermediate_json_line (json::array *object,
- line_info *line, unsigned line_num)
+ line_info *line, unsigned line_num,
+ const char *function_name)
{
if (!line->exists)
return;
json::object *lineo = new json::object ();
lineo->set ("line_number", new json::number (line_num));
+ if (function_name != NULL)
+lineo->set ("function_name", new json::string (function_name));
lineo->set ("count", new json::number (line->count));
lineo->set ("unexecuted_block",
new json::literal (line->has_unexecuted_block));
@@ -1141,6 +1145,8 @@ output_json_intermediate_file (json::array *json_files, source_info *src)
json::array *lineso = new json::array ();
root->set ("lines", lineso);
+ function_info *last_non_group_fn = NULL;
+
for (unsigned line_num = 1; line_num <= src->lines.size (); line_num++)
{
vector *fns = src->get_functions_at_location (line_num);
@@ -1150,17 +1156,23 @@ output_json_intermediate_file (json::array *json_files, source_info *src)
for (vector::iterator it2 = fns->begin ();
it2 != fns->end (); it2++)
{
+ if (!(*it2)->is_group)
+ last_non_group_fn = *it2;
+
vector = (*it2)->lines;
for (unsigned i = 0; i < lines.size (); i++)
{
line_info *line = [i];
- output_intermediate_json_line (lineso, line, line_num + i);
+ output_intermediate_json_line (lineso, line, line_num + i,
+ (*it2)->m_name);
}
}
/* Follow with lines associated with the source file. */
if (line_num < src->lines.size ())
- output_intermediate_json_line (lineso, >lines[line_num], line_num);
+ output_intermediate_json_line (lineso, >lines[line_num], line_num,
+ (last_non_group_fn != NULL
+ ? last_non_group_fn->m_name : NULL));
}
}
--
2.21.0
