diff options
| -rw-r--r-- | dev-util/lcov/a5dd9529f9232b8d901a4d6eb9ae54cae179e5b3.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/dev-util/lcov/a5dd9529f9232b8d901a4d6eb9ae54cae179e5b3.patch b/dev-util/lcov/a5dd9529f9232b8d901a4d6eb9ae54cae179e5b3.patch new file mode 100644 index 0000000..b410c15 --- /dev/null +++ b/dev-util/lcov/a5dd9529f9232b8d901a4d6eb9ae54cae179e5b3.patch @@ -0,0 +1,91 @@ +From a5dd9529f9232b8d901a4d6eb9ae54cae179e5b3 Mon Sep 17 00:00:00 2001 +From: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> +Date: Wed, 7 Mar 2018 14:18:55 +0100 +Subject: [PATCH] geninfo: Add gcc 8 support + +Fix errors and incorrect data when trying to collect coverage data +for programs compiled with gcc 8. + +Covers the following gcov-related changes in gcc: + +.gcov-file format: + - Line coverage data can appear multiple times for the same line + - Line coverage count can be suffixed by '*' to indicated unexecuted + basic blocks in that line + +.gcno-file format: + - new header field 'support unexecuted blocks flag' + - new function record fields 'column number', 'ending line number', + and 'compiler-generated entity flag' + +Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> +--- + bin/geninfo | 20 ++++++++++++++++++++ + 1 file changed, 20 insertions(+) + +diff --git a/bin/geninfo b/bin/geninfo +index 8562560..ef6a818 100755 +--- a/bin/geninfo ++++ b/bin/geninfo +@@ -68,6 +68,7 @@ our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php"; + our $gcov_tool = "gcov"; + our $tool_name = basename($0); + ++our $GCOV_VERSION_8_0_0 = 0x80000; + our $GCOV_VERSION_4_7_0 = 0x40700; + our $GCOV_VERSION_3_4_0 = 0x30400; + our $GCOV_VERSION_3_3_0 = 0x30300; +@@ -1934,6 +1935,9 @@ sub read_gcov_file($) + { + my ($count, $line, $code) = ($1, $2, $3); + ++ # Skip instance-specific counts ++ next if ($line == $last_line); ++ + $last_line = $line; + $last_block = $UNNAMED_BLOCK; + # Check for exclusion markers +@@ -1963,6 +1967,9 @@ sub read_gcov_file($) + } + } + ++ # Strip unexecuted basic block marker ++ $count =~ s/\*$//; ++ + # <exec count>:<line number>:<source code> + if ($line eq "0") + { +@@ -3537,6 +3544,10 @@ sub read_gcno_function_record(*$$$$$) + graph_expect("function name"); + $function = read_gcno_string($handle, $big_endian); + return undef if (!defined($function)); ++ if ($version >= $GCOV_VERSION_8_0_0) { ++ graph_skip($handle, 4, "compiler-generated entity flag") ++ or return undef; ++ } + # Read filename + graph_expect("filename"); + $filename = read_gcno_string($handle, $big_endian); +@@ -3544,6 +3555,11 @@ sub read_gcno_function_record(*$$$$$) + # Read first line number + $lineno = read_gcno_value($handle, $big_endian, "initial line number"); + return undef if (!defined($lineno)); ++ # Skip column and ending line number ++ if ($version >= $GCOV_VERSION_8_0_0) { ++ graph_skip($handle, 4, "column number") or return undef; ++ graph_skip($handle, 4, "ending line number") or return undef; ++ } + # Add to list + push(@{$bb->{$function}->{$filename}}, $lineno); + graph_add_order($fileorder, $function, $filename); +@@ -3631,6 +3647,10 @@ sub read_gcno($) + debug(sprintf("found version 0x%08x\n", $version)); + # Skip stamp + graph_skip(*HANDLE, 4, "file timestamp") or goto incomplete; ++ if ($version >= $GCOV_VERSION_8_0_0) { ++ graph_skip(*HANDLE, 4, "support unexecuted blocks flag") ++ or goto incomplete; ++ } + while (!eof(HANDLE)) { + my $next_pos; + my $curr_pos; |