/* Gcov.c: prepend line execution counts and branch probabilities to a
source file.
- Copyright (C) 1990-2018 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Contributed by James E. Wilson of Cygnus Support.
Mangled by Bob Manson of Cygnus Support.
Mangled further by Nathan Sidwell <nathan@codesourcery.com>
#include "version.h"
#include "demangle.h"
#include "color-macros.h"
+#include "pretty-print.h"
+#include "json.h"
+#include <zlib.h>
#include <getopt.h>
#include "md5.h"
/* This is the size of the buffer used to read in source file lines. */
-struct function_info;
-struct block_info;
-struct source_info;
+class function_info;
+class block_info;
+class source_info;
/* Describes an arc between two basic blocks. */
struct arc_info
{
/* source and destination blocks. */
- struct block_info *src;
- struct block_info *dst;
+ class block_info *src;
+ class block_info *dst;
/* transition counts. */
gcov_type count;
/* Describes which locations (lines and files) are associated with
a basic block. */
-struct block_location_info
+class block_location_info
{
+public:
block_location_info (unsigned _source_file_idx):
source_file_idx (_source_file_idx)
{}
/* Describes a basic block. Contains lists of arcs to successor and
predecessor blocks. */
-struct block_info
+class block_info
{
+public:
/* Constructor. */
block_info ();
/* Temporary chain for solving graph, and for chaining blocks on one
line. */
- struct block_info *chain;
+ class block_info *chain;
};
/* Describes a single line of source. Contains a chain of basic blocks
with code on it. */
-struct line_info
+class line_info
{
+public:
/* Default constructor. */
line_info ();
return std::find (blocks.begin (), blocks.end (), needle) != blocks.end ();
}
+/* Output demangled function names. */
+
+static int flag_demangled_names = 0;
+
/* Describes a single function. Contains an array of basic blocks. */
-struct function_info
+class function_info
{
+public:
function_info ();
~function_info ();
}
/* Name of function. */
- char *name;
- char *demangled_name;
+ char *m_name;
+ char *m_demangled_name;
unsigned ident;
unsigned lineno_checksum;
unsigned cfg_checksum;
/* Last line number. */
unsigned end_line;
+ /* Last line column. */
+ unsigned end_column;
+
/* Index of source file where the function is defined. */
unsigned src;
vector<line_info> lines;
/* Next function. */
- struct function_info *next;
+ class function_info *next;
+
+ /* Get demangled name of a function. The demangled name
+ is converted when it is used for the first time. */
+ char *get_demangled_name ()
+ {
+ if (m_demangled_name == NULL)
+ {
+ m_demangled_name = cplus_demangle (m_name, DMGL_PARAMS);
+ if (!m_demangled_name)
+ m_demangled_name = m_name;
+ }
+
+ return m_demangled_name;
+ }
+
+ /* Get name of the function based on flag_demangled_names. */
+ char *get_name ()
+ {
+ return flag_demangled_names ? get_demangled_name () : m_name;
+ }
+
+ /* Return number of basic blocks (without entry and exit block). */
+ unsigned get_block_count ()
+ {
+ return blocks.size () - 2;
+ }
};
/* Function info comparer that will sort functions according to starting
/* Describes a file mentioned in the block graph. Contains an array
of line info. */
-struct source_info
+class source_info
{
+public:
/* Default constructor. */
source_info ();
- vector<function_info *> get_functions_at_location (unsigned line_num) const;
+ vector<function_info *> *get_functions_at_location (unsigned line_num) const;
+
+ /* Register a new function. */
+ void add_function (function_info *fn);
/* Index of the source_info in sources vector. */
unsigned index;
/* Functions in this source file. These are in ascending line
number order. */
- vector <function_info *> functions;
+ vector<function_info *> functions;
+
+ /* Line number to functions map. */
+ vector<vector<function_info *> *> line_to_function_map;
};
source_info::source_info (): index (0), name (NULL), file_time (),
{
}
-vector<function_info *>
-source_info::get_functions_at_location (unsigned line_num) const
+/* Register a new function. */
+void
+source_info::add_function (function_info *fn)
{
- vector<function_info *> r;
+ functions.push_back (fn);
- for (vector<function_info *>::const_iterator it = functions.begin ();
- it != functions.end (); it++)
- {
- if ((*it)->start_line == line_num && (*it)->src == index)
- r.push_back (*it);
- }
+ if (fn->start_line >= line_to_function_map.size ())
+ line_to_function_map.resize (fn->start_line + 1);
+
+ vector<function_info *> **slot = &line_to_function_map[fn->start_line];
+ if (*slot == NULL)
+ *slot = new vector<function_info *> ();
- std::sort (r.begin (), r.end (), function_line_start_cmp ());
+ (*slot)->push_back (fn);
+}
+
+vector<function_info *> *
+source_info::get_functions_at_location (unsigned line_num) const
+{
+ if (line_num >= line_to_function_map.size ())
+ return NULL;
- return r;
+ vector<function_info *> *slot = line_to_function_map[line_num];
+ if (slot != NULL)
+ std::sort (slot->begin (), slot->end (), function_line_start_cmp ());
+
+ return slot;
}
class name_map
/* Vector of all functions. */
static vector<function_info *> functions;
+/* Function ident to function_info * map. */
+static map<unsigned, function_info *> ident_to_fn;
+
/* Vector of source files. */
static vector<source_info> sources;
/* This holds data summary information. */
static unsigned object_runs;
-static unsigned program_count;
static unsigned total_lines;
static unsigned total_executed;
static int flag_display_progress = 0;
-/* Output *.gcov file in intermediate format used by 'lcov'. */
+/* Output *.gcov file in JSON intermediate format used by consumers. */
-static int flag_intermediate_format = 0;
-
-/* Output demangled function names. */
-
-static int flag_demangled_names = 0;
+static int flag_json_format = 0;
/* For included files, make the gcov output file name include the name
of the input source file. For example, if x.h is included in a.c,
static void add_branch_counts (coverage_info *, const arc_info *);
static void add_line_counts (coverage_info *, function_info *);
static void executed_summary (unsigned, unsigned);
-static void function_summary (const coverage_info *, const char *);
+static void function_summary (const coverage_info *);
+static void file_summary (const coverage_info *);
static const char *format_gcov (gcov_type, gcov_type, int);
static void accumulate_line_counts (source_info *);
static void output_gcov_file (const char *, source_info *);
static void release_structures (void);
extern int main (int, char **);
-function_info::function_info (): name (NULL), demangled_name (NULL),
+function_info::function_info (): m_name (NULL), m_demangled_name (NULL),
ident (0), lineno_checksum (0), cfg_checksum (0), has_catch (0),
artificial (0), is_group (0),
blocks (), blocks_executed (0), counts (),
- start_line (0), start_column (), end_line (0), src (0), lines (), next (NULL)
+ start_line (0), start_column (0), end_line (0), end_column (0),
+ src (0), lines (), next (NULL)
{
}
free (arc);
}
}
- if (flag_demangled_names && demangled_name != name)
- free (demangled_name);
- free (name);
+ if (m_demangled_name != m_name)
+ free (m_demangled_name);
+ free (m_name);
}
bool function_info::group_line_p (unsigned n, unsigned src_idx)
typedef vector<arc_info *> arc_vector_t;
typedef vector<const block_info *> block_vector_t;
-/* Enum with types of loop in CFG. */
-
-enum loop_type
-{
- NO_LOOP = 0,
- LOOP = 1,
- NEGATIVE_LOOP = 3
-};
-
-/* Loop_type operator that merges two values: A and B. */
-
-inline loop_type& operator |= (loop_type& a, loop_type b)
-{
- return a = static_cast<loop_type> (a | b);
-}
-
/* Handle cycle identified by EDGES, where the function finds minimum cs_count
and subtract the value from all counts. The subtracted value is added
to COUNT. Returns type of loop. */
-static loop_type
+static void
handle_cycle (const arc_vector_t &edges, int64_t &count)
{
/* Find the minimum edge of the cycle, and reduce all nodes in the cycle by
for (unsigned i = 0; i < edges.size (); i++)
edges[i]->cs_count -= cycle_count;
- return cycle_count < 0 ? NEGATIVE_LOOP : LOOP;
+ gcc_assert (cycle_count > 0);
}
/* Unblock a block U from BLOCKED. Apart from that, iterate all blocks
unblock (*it, blocked, block_lists);
}
+/* Return true when PATH contains a zero cycle arc count. */
+
+static bool
+path_contains_zero_or_negative_cycle_arc (arc_vector_t &path)
+{
+ for (unsigned i = 0; i < path.size (); i++)
+ if (path[i]->cs_count <= 0)
+ return true;
+ return false;
+}
+
/* Find circuit going to block V, PATH is provisional seen cycle.
BLOCKED is vector of blocked vertices, BLOCK_LISTS contains vertices
blocked by a block. COUNT is accumulated count of the current LINE.
Returns what type of loop it contains. */
-static loop_type
+static bool
circuit (block_info *v, arc_vector_t &path, block_info *start,
block_vector_t &blocked, vector<block_vector_t> &block_lists,
line_info &linfo, int64_t &count)
{
- loop_type result = NO_LOOP;
+ bool loop_found = false;
/* Add v to the block list. */
gcc_assert (find (blocked.begin (), blocked.end (), v) == blocked.end ());
for (arc_info *arc = v->succ; arc; arc = arc->succ_next)
{
block_info *w = arc->dst;
- if (w < start || !linfo.has_block (w))
+ if (w < start
+ || arc->cs_count <= 0
+ || !linfo.has_block (w))
continue;
path.push_back (arc);
if (w == start)
- /* Cycle has been found. */
- result |= handle_cycle (path, count);
- else if (find (blocked.begin (), blocked.end (), w) == blocked.end ())
- result |= circuit (w, path, start, blocked, block_lists, linfo, count);
+ {
+ /* Cycle has been found. */
+ handle_cycle (path, count);
+ loop_found = true;
+ }
+ else if (!path_contains_zero_or_negative_cycle_arc (path)
+ && find (blocked.begin (), blocked.end (), w) == blocked.end ())
+ loop_found |= circuit (w, path, start, blocked, block_lists, linfo,
+ count);
path.pop_back ();
}
- if (result != NO_LOOP)
+ if (loop_found)
unblock (v, blocked, block_lists);
else
for (arc_info *arc = v->succ; arc; arc = arc->succ_next)
{
block_info *w = arc->dst;
- if (w < start || !linfo.has_block (w))
+ if (w < start
+ || arc->cs_count <= 0
+ || !linfo.has_block (w))
continue;
size_t index
list.push_back (v);
}
- return result;
+ return loop_found;
}
-/* Find cycles for a LINFO. If HANDLE_NEGATIVE_CYCLES is set and the line
- contains a negative loop, then perform the same function once again. */
+/* Find cycles for a LINFO. */
static gcov_type
-get_cycles_count (line_info &linfo, bool handle_negative_cycles = true)
+get_cycles_count (line_info &linfo)
{
/* Note that this algorithm works even if blocks aren't in sorted order.
Each iteration of the circuit detection is completely independent
Therefore, operating on a permuted order (i.e., non-sorted) only
has the effect of permuting the output cycles. */
- loop_type result = NO_LOOP;
+ bool loop_found = false;
gcov_type count = 0;
for (vector<block_info *>::iterator it = linfo.blocks.begin ();
it != linfo.blocks.end (); it++)
arc_vector_t path;
block_vector_t blocked;
vector<block_vector_t > block_lists;
- result |= circuit (*it, path, *it, blocked, block_lists, linfo,
- count);
+ loop_found |= circuit (*it, path, *it, blocked, block_lists, linfo,
+ count);
}
- /* If we have a negative cycle, repeat the find_cycles routine. */
- if (result == NEGATIVE_LOOP && handle_negative_cycles)
- count += get_cycles_count (linfo, false);
-
return count;
}
argc - first_arg);
process_file (argv[argno]);
- if (flag_intermediate_format || argno == argc - 1)
+ if (flag_json_format || argno == argc - 1)
{
process_all_functions ();
generate_results (argv[argno]);
fnotice (file, " -d, --display-progress Display progress information\n");
fnotice (file, " -f, --function-summaries Output summaries for each function\n");
fnotice (file, " -h, --help Print this help, then exit\n");
- fnotice (file, " -i, --intermediate-format Output .gcov file in intermediate text format\n");
+ fnotice (file, " -i, --json-format Output JSON intermediate format into .gcov.json.gz file\n");
fnotice (file, " -j, --human-readable Output human readable numbers\n");
fnotice (file, " -k, --use-colors Emit colored output\n");
fnotice (file, " -l, --long-file-names Use long output file names for included\n\
print_version (void)
{
fnotice (stdout, "gcov %s%s\n", pkgversion_string, version_string);
- fprintf (stdout, "Copyright %s 2018 Free Software Foundation, Inc.\n",
+ fprintf (stdout, "Copyright %s 2020 Free Software Foundation, Inc.\n",
_("(C)"));
fnotice (stdout,
_("This is free software; see the source for copying conditions.\n"
{ "all-blocks", no_argument, NULL, 'a' },
{ "branch-probabilities", no_argument, NULL, 'b' },
{ "branch-counts", no_argument, NULL, 'c' },
- { "intermediate-format", no_argument, NULL, 'i' },
+ { "json-format", no_argument, NULL, 'i' },
{ "human-readable", no_argument, NULL, 'j' },
{ "no-output", no_argument, NULL, 'n' },
{ "long-file-names", no_argument, NULL, 'l' },
flag_unconditional = 1;
break;
case 'i':
- flag_intermediate_format = 1;
- flag_gcov_file = 1;
- break;
- case 'd':
- flag_display_progress = 1;
- break;
+ flag_json_format = 1;
+ flag_gcov_file = 1;
+ break;
+ case 'd':
+ flag_display_progress = 1;
+ break;
case 'x':
flag_hash_filenames = 1;
break;
return optind;
}
-/* Output intermediate LINE sitting on LINE_NUM to output file F. */
+/* Output intermediate LINE sitting on LINE_NUM to JSON OBJECT.
+ Add FUNCTION_NAME to the LINE. */
static void
-output_intermediate_line (FILE *f, line_info *line, unsigned line_num)
+output_intermediate_json_line (json::array *object,
+ line_info *line, unsigned line_num,
+ const char *function_name)
{
if (!line->exists)
return;
- fprintf (f, "lcount:%u,%s,%d\n", line_num,
- format_gcov (line->count, 0, -1),
- line->has_unexecuted_block);
+ json::object *lineo = new json::object ();
+ lineo->set ("line_number", new json::integer_number (line_num));
+ if (function_name != NULL)
+ lineo->set ("function_name", new json::string (function_name));
+ lineo->set ("count", new json::integer_number (line->count));
+ lineo->set ("unexecuted_block",
+ new json::literal (line->has_unexecuted_block));
+
+ json::array *branches = new json::array ();
+ lineo->set ("branches", branches);
vector<arc_info *>::const_iterator it;
if (flag_branches)
{
if (!(*it)->is_unconditional && !(*it)->is_call_non_return)
{
- const char *branch_type;
- /* branch:<line_num>,<branch_coverage_infoype>
- branch_coverage_infoype
- : notexec (Branch not executed)
- : taken (Branch executed and taken)
- : nottaken (Branch executed, but not taken)
- */
- if ((*it)->src->count)
- branch_type
- = ((*it)->count > 0) ? "taken" : "nottaken";
- else
- branch_type = "notexec";
- fprintf (f, "branch:%d,%s\n", line_num, branch_type);
+ json::object *branch = new json::object ();
+ branch->set ("count", new json::integer_number ((*it)->count));
+ branch->set ("throw", new json::literal ((*it)->is_throw));
+ branch->set ("fallthrough",
+ new json::literal ((*it)->fall_through));
+ branches->append (branch);
}
}
+
+ object->append (lineo);
}
/* Get the name of the gcov file. The return value must be free'd.
static char *
get_gcov_intermediate_filename (const char *file_name)
{
- const char *gcov = ".gcov";
+ const char *gcov = ".gcov.json.gz";
char *result;
const char *cptr;
return result;
}
-/* Output the result in intermediate format used by 'lcov'.
-
-The intermediate format contains a single file named 'foo.cc.gcov',
-with no source code included.
-
-The default gcov outputs multiple files: 'foo.cc.gcov',
-'iostream.gcov', 'ios_base.h.gcov', etc. with source code
-included. Instead the intermediate format here outputs only a single
-file 'foo.cc.gcov' similar to the above example. */
+/* Output the result in JSON intermediate format.
+ Source info SRC is dumped into JSON_FILES which is JSON array. */
static void
-output_intermediate_file (FILE *gcov_file, source_info *src)
+output_json_intermediate_file (json::array *json_files, source_info *src)
{
- fprintf (gcov_file, "version:%s\n", version_string);
- fprintf (gcov_file, "file:%s\n", src->name); /* source file name */
- fprintf (gcov_file, "cwd:%s\n", bbg_cwd);
+ json::object *root = new json::object ();
+ json_files->append (root);
+
+ root->set ("file", new json::string (src->name));
+
+ json::array *functions = new json::array ();
+ root->set ("functions", functions);
std::sort (src->functions.begin (), src->functions.end (),
function_line_start_cmp ());
for (vector<function_info *>::iterator it = src->functions.begin ();
it != src->functions.end (); it++)
{
- /* function:<name>,<line_number>,<execution_count> */
- fprintf (gcov_file, "function:%d,%d,%s,%s\n", (*it)->start_line,
- (*it)->end_line, format_gcov ((*it)->blocks[0].count, 0, -1),
- flag_demangled_names ? (*it)->demangled_name : (*it)->name);
+ json::object *function = new json::object ();
+ function->set ("name", new json::string ((*it)->m_name));
+ function->set ("demangled_name",
+ new json::string ((*it)->get_demangled_name ()));
+ function->set ("start_line",
+ new json::integer_number ((*it)->start_line));
+ function->set ("start_column",
+ new json::integer_number ((*it)->start_column));
+ function->set ("end_line", new json::integer_number ((*it)->end_line));
+ function->set ("end_column",
+ new json::integer_number ((*it)->end_column));
+ function->set ("blocks",
+ new json::integer_number ((*it)->get_block_count ()));
+ function->set ("blocks_executed",
+ new json::integer_number ((*it)->blocks_executed));
+ function->set ("execution_count",
+ new json::integer_number ((*it)->blocks[0].count));
+
+ functions->append (function);
}
+ 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<function_info *> fns = src->get_functions_at_location (line_num);
+ vector<function_info *> *fns = src->get_functions_at_location (line_num);
- /* Print first group functions that begin on the line. */
- for (vector<function_info *>::iterator it2 = fns.begin ();
- it2 != fns.end (); it2++)
- {
- vector<line_info> &lines = (*it2)->lines;
- for (unsigned i = 0; i < lines.size (); i++)
- {
- line_info *line = &lines[i];
- output_intermediate_line (gcov_file, line, line_num + i);
- }
- }
+ if (fns != NULL)
+ /* Print first group functions that begin on the line. */
+ for (vector<function_info *>::iterator it2 = fns->begin ();
+ it2 != fns->end (); it2++)
+ {
+ if (!(*it2)->is_group)
+ last_non_group_fn = *it2;
+
+ vector<line_info> &lines = (*it2)->lines;
+ for (unsigned i = 0; i < lines.size (); i++)
+ {
+ line_info *line = &lines[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_line (gcov_file, &src->lines[line_num], line_num);
+ output_intermediate_json_line (lineso, &src->lines[line_num], line_num,
+ (last_non_group_fn != NULL
+ ? last_non_group_fn->m_name : NULL));
}
}
if (!fn->counts.empty () || no_data_file)
{
source_info *s = &sources[src];
- s->functions.push_back (fn);
+ s->add_function (fn);
/* Mark last line in files touched by function. */
for (unsigned block_no = 0; block_no != fn->blocks.size ();
static void
generate_results (const char *file_name)
{
- FILE *gcov_intermediate_file = NULL;
- char *gcov_intermediate_filename = NULL;
+ char *gcov_intermediate_filename;
for (vector<function_info *>::iterator it = functions.begin ();
it != functions.end (); it++)
coverage_info coverage;
memset (&coverage, 0, sizeof (coverage));
- coverage.name = flag_demangled_names ? fn->demangled_name : fn->name;
+ coverage.name = fn->get_name ();
add_line_counts (flag_function_summary ? &coverage : NULL, fn);
if (flag_function_summary)
{
- function_summary (&coverage, "Function");
+ function_summary (&coverage);
fnotice (stdout, "\n");
}
}
file_name = canonicalize_name (file_name);
}
- if (flag_gcov_file && flag_intermediate_format && !flag_use_stdout)
- {
- /* Open the intermediate file. */
- gcov_intermediate_filename = get_gcov_intermediate_filename (file_name);
- gcov_intermediate_file = fopen (gcov_intermediate_filename, "w");
- if (!gcov_intermediate_file)
- {
- fnotice (stderr, "Cannot open intermediate output file %s\n",
- gcov_intermediate_filename);
- return;
- }
- }
+ gcov_intermediate_filename = get_gcov_intermediate_filename (file_name);
+
+ json::object *root = new json::object ();
+ root->set ("format_version", new json::string ("1"));
+ root->set ("gcc_version", new json::string (version_string));
+
+ if (bbg_cwd != NULL)
+ root->set ("current_working_directory", new json::string (bbg_cwd));
+ root->set ("data_file", new json::string (file_name));
+
+ json::array *json_files = new json::array ();
+ root->set ("files", json_files);
for (vector<source_info>::iterator it = sources.begin ();
it != sources.end (); it++)
accumulate_line_counts (src);
if (!flag_use_stdout)
- function_summary (&src->coverage, "File");
+ file_summary (&src->coverage);
total_lines += src->coverage.lines;
total_executed += src->coverage.lines_executed;
if (flag_gcov_file)
{
- if (flag_intermediate_format)
- /* Output the intermediate format without requiring source
- files. This outputs a section to a *single* file. */
- output_intermediate_file ((flag_use_stdout
- ? stdout : gcov_intermediate_file), src);
+ if (flag_json_format)
+ output_json_intermediate_file (json_files, src);
else
{
if (flag_use_stdout)
}
}
- if (flag_gcov_file && flag_intermediate_format && !flag_use_stdout)
+ if (flag_gcov_file && flag_json_format)
{
- /* Now we've finished writing the intermediate file. */
- fclose (gcov_intermediate_file);
- XDELETEVEC (gcov_intermediate_filename);
+ if (flag_use_stdout)
+ {
+ root->dump (stdout);
+ printf ("\n");
+ }
+ else
+ {
+ pretty_printer pp;
+ root->print (&pp);
+ pp_formatted_text (&pp);
+
+ gzFile output = gzopen (gcov_intermediate_filename, "w");
+ if (output == NULL)
+ {
+ fnotice (stderr, "Cannot open JSON output file %s\n",
+ gcov_intermediate_filename);
+ return;
+ }
+
+ if (gzputs (output, pp_formatted_text (&pp)) == EOF
+ || gzclose (output))
+ {
+ fnotice (stderr, "Error writing JSON output file %s\n",
+ gcov_intermediate_filename);
+ return;
+ }
+ }
}
if (!file_name)
sources.resize (0);
names.resize (0);
functions.resize (0);
+ ident_to_fn.clear ();
}
/* Generate the names of the graph and data files. If OBJECT_DIRECTORY
unsigned start_line = gcov_read_unsigned ();
unsigned start_column = gcov_read_unsigned ();
unsigned end_line = gcov_read_unsigned ();
+ unsigned end_column = gcov_read_unsigned ();
fn = new function_info ();
functions.push_back (fn);
- fn->name = function_name;
- if (flag_demangled_names)
- {
- fn->demangled_name = cplus_demangle (fn->name, DMGL_PARAMS);
- if (!fn->demangled_name)
- fn->demangled_name = fn->name;
- }
+ ident_to_fn[ident] = fn;
+
+ fn->m_name = function_name;
fn->ident = ident;
fn->lineno_checksum = lineno_checksum;
fn->cfg_checksum = cfg_checksum;
fn->start_line = start_line;
fn->start_column = start_column;
fn->end_line = end_line;
+ fn->end_column = end_column;
fn->artificial = artificial;
current_tag = tag;
{
if (!fn->blocks.empty ())
fnotice (stderr, "%s:already seen blocks for '%s'\n",
- bbg_file_name, fn->name);
+ bbg_file_name, fn->get_name ());
else
fn->blocks.resize (gcov_read_unsigned ());
}
unsigned tag;
function_info *fn = NULL;
int error = 0;
+ map<unsigned, function_info *>::iterator it;
if (!gcov_open (da_file_name, 1))
{
unsigned length = gcov_read_unsigned ();
unsigned long base = gcov_position ();
- if (tag == GCOV_TAG_PROGRAM_SUMMARY)
+ if (tag == GCOV_TAG_OBJECT_SUMMARY)
{
struct gcov_summary summary;
gcov_read_summary (&summary);
- object_runs += summary.runs;
- program_count++;
+ object_runs = summary.runs;
}
else if (tag == GCOV_TAG_FUNCTION && !length)
; /* placeholder */
else if (tag == GCOV_TAG_FUNCTION && length == GCOV_TAG_FUNCTION_LENGTH)
{
unsigned ident;
-
- /* Try to find the function in the list. To speed up the
- search, first start from the last function found. */
ident = gcov_read_unsigned ();
-
fn = NULL;
- for (vector<function_info *>::reverse_iterator it
- = functions.rbegin (); it != functions.rend (); it++)
- {
- if ((*it)->ident == ident)
- {
- fn = *it;
- break;
- }
- }
+ it = ident_to_fn.find (ident);
+ if (it != ident_to_fn.end ())
+ fn = it->second;
if (!fn)
;
{
mismatch:;
fnotice (stderr, "%s:profile mismatch for '%s'\n",
- da_file_name, fn->name);
+ da_file_name, fn->get_name ());
goto cleanup;
}
}
if (fn->blocks.size () < 2)
fnotice (stderr, "%s:'%s' lacks entry and/or exit blocks\n",
- bbg_file_name, fn->name);
+ bbg_file_name, fn->get_name ());
else
{
if (fn->blocks[ENTRY_BLOCK].num_pred)
fnotice (stderr, "%s:'%s' has arcs to entry block\n",
- bbg_file_name, fn->name);
+ bbg_file_name, fn->get_name ());
else
/* We can't deduce the entry block counts from the lack of
predecessors. */
if (fn->blocks[EXIT_BLOCK].num_succ)
fnotice (stderr, "%s:'%s' has arcs from exit block\n",
- bbg_file_name, fn->name);
+ bbg_file_name, fn->get_name ());
else
/* Likewise, we can't deduce exit block counts from the lack
of its successors. */
if (!fn->blocks[i].count_valid)
{
fnotice (stderr, "%s:graph is unsolvable for '%s'\n",
- bbg_file_name, fn->name);
+ bbg_file_name, fn->get_name ());
break;
}
}
fnotice (stdout, "No executable lines\n");
}
-/* Output summary info for a function or file. */
+/* Output summary info for a function. */
static void
-function_summary (const coverage_info *coverage, const char *title)
+function_summary (const coverage_info *coverage)
{
- fnotice (stdout, "%s '%s'\n", title, coverage->name);
+ fnotice (stdout, "%s '%s'\n", "Function", coverage->name);
+ executed_summary (coverage->lines, coverage->lines_executed);
+}
+
+/* Output summary info for a file. */
+
+static void
+file_summary (const coverage_info *coverage)
+{
+ fnotice (stdout, "%s '%s'\n", "File", coverage->name);
executed_summary (coverage->lines, coverage->lines_executed);
if (flag_branches)
return result;
}
+/* Mangle BASE name, copy it at the beginning of PTR buffer and
+ return address of the \0 character of the buffer. */
+
static char *
mangle_name (char const *base, char *ptr)
{
/* Generate the source filename part. */
if (!flag_preserve_paths)
- {
- base = lbasename (base);
- len = strlen (base);
- memcpy (ptr, base, len);
- ptr += len;
- }
+ base = lbasename (base);
else
- ptr = mangle_path (base);
+ base = mangle_path (base);
+
+ len = strlen (base);
+ memcpy (ptr, base, len);
+ ptr += len;
return ptr;
}
}
if (!has_any_line)
- fnotice (stderr, "%s:no lines for '%s'\n", bbg_file_name, fn->name);
+ fnotice (stderr, "%s:no lines for '%s'\n", bbg_file_name,
+ fn->get_name ());
}
/* Accumulate info for LINE that belongs to SRC source file. If ADD_COVERAGE
/* If not using intermediate mode, sum lines of group functions and
add them to lines that live in a source file. */
- if (!flag_intermediate_format)
+ if (!flag_json_format)
for (vector<function_info *>::iterator it = src->functions.begin ();
it != src->functions.end (); it++)
{
/* Output detail statistics about function FN to file F. */
static void
-output_function_details (FILE *f, const function_info *fn)
+output_function_details (FILE *f, function_info *fn)
{
if (!flag_branches)
return;
if (arc->fake)
return_count -= arc->count;
- fprintf (f, "function %s",
- flag_demangled_names ? fn->demangled_name : fn->name);
+ fprintf (f, "function %s", fn->get_name ());
fprintf (f, " called %s",
format_gcov (called_count, 0, -1));
fprintf (f, " returned %s",
format_gcov (return_count, called_count, 0));
fprintf (f, " blocks executed %s",
- format_gcov (fn->blocks_executed, fn->blocks.size () - 2,
- 0));
+ format_gcov (fn->blocks_executed, fn->get_block_count (), 0));
fprintf (f, "\n");
}
FILE *source_file;
const char *retval;
- /* Print legend of color hotness syntax. */
+ /* Print colorization legend. */
+ if (flag_use_colors)
+ fprintf (gcov_file, "%s",
+ DEFAULT_LINE_START "Colorization: profile count: " \
+ SGR_SEQ (COLOR_BG_CYAN) "zero coverage (exceptional)" SGR_RESET \
+ " " \
+ SGR_SEQ (COLOR_BG_RED) "zero coverage (unexceptional)" SGR_RESET \
+ " " \
+ SGR_SEQ (COLOR_BG_MAGENTA) "unexecuted block" SGR_RESET "\n");
+
if (flag_use_hotness_colors)
- fprintf (gcov_file, "%s", DEFAULT_LINE_START "Hotness legend: " \
+ fprintf (gcov_file, "%s",
+ DEFAULT_LINE_START "Colorization: line numbers: hotness: " \
SGR_SEQ (COLOR_BG_RED) "> 50%" SGR_RESET " " \
SGR_SEQ (COLOR_BG_YELLOW) "> 20%" SGR_RESET " " \
SGR_SEQ (COLOR_BG_GREEN) "> 10%" SGR_RESET "\n");
- fprintf (gcov_file, DEFAULT_LINE_START "Source:%s\n", src->coverage.name);
-
fprintf (gcov_file, DEFAULT_LINE_START "Source:%s\n", src->coverage.name);
if (!multiple_files)
{
no_data_file ? "-" : da_file_name);
fprintf (gcov_file, DEFAULT_LINE_START "Runs:%u\n", object_runs);
}
- fprintf (gcov_file, DEFAULT_LINE_START "Programs:%u\n", program_count);
source_file = fopen (src->name, "r");
if (!source_file)
source_lines.push_back (xstrdup (retval));
unsigned line_start_group = 0;
- vector<function_info *> fns;
+ vector<function_info *> *fns;
for (unsigned line_num = 1; line_num <= source_lines.size (); line_num++)
{
if (line_start_group == 0)
{
fns = src->get_functions_at_location (line_num);
- if (fns.size () > 1)
+ if (fns != NULL && fns->size () > 1)
{
/* It's possible to have functions that partially overlap,
thus take the maximum end_line of functions starting
at LINE_NUM. */
- for (unsigned i = 0; i < fns.size (); i++)
- if (fns[i]->end_line > line_start_group)
- line_start_group = fns[i]->end_line;
+ for (unsigned i = 0; i < fns->size (); i++)
+ if ((*fns)[i]->end_line > line_start_group)
+ line_start_group = (*fns)[i]->end_line;
}
- else if (fns.size () == 1)
+ else if (fns != NULL && fns->size () == 1)
{
- function_info *fn = fns[0];
+ function_info *fn = (*fns)[0];
output_function_details (gcov_file, fn);
}
}
if (line_start_group == line_num)
{
- for (vector<function_info *>::iterator it = fns.begin ();
- it != fns.end (); it++)
+ for (vector<function_info *>::iterator it = fns->begin ();
+ it != fns->end (); it++)
{
function_info *fn = *it;
vector<line_info> &lines = fn->lines;
fprintf (gcov_file, FN_SEPARATOR);
- string fn_name
- = flag_demangled_names ? fn->demangled_name : fn->name;
-
+ string fn_name = fn->get_name ();
if (flag_use_colors)
{
fn_name.insert (0, SGR_SEQ (COLOR_FG_CYAN));
projects / thirdparty / gcc.git / blobdiff