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authorAndreas Jaeger <aj@gcc.gnu.org>2003-07-06 20:59:38 +0200
committerAndreas Jaeger <aj@gcc.gnu.org>2003-07-06 20:59:38 +0200
commitf55ade6e34ae3da57dd1a270c4bee55ad4f85cf5 (patch)
tree76c547ec54bb4708e30224c15686141e4954541a /gcc/gcov.c
parentade4289c2d5992197bc787e290cfdc3652ce9965 (diff)
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basic-block.h: Convert prototypes to ISO C90.
* basic-block.h: Convert prototypes to ISO C90. * c-parse.in: Likewise. * c-pragma.h: Likewise. * c-typeck.c: Likewise. * cfghooks.h: Likewise. * cfgloopanal.c: Likewise. * dbxout.h: Likewise. * debug.h: Likewise. * dwarf2asm.h: Likewise. * gcov.c: Likewise. * gengtype-lex.l: Likewise. * sched-int.h: Likewise. * timevar.c: Likewise. From-SVN: r69010
Diffstat (limited to 'gcc/gcov.c')
-rw-r--r--gcc/gcov.c385
1 files changed, 180 insertions, 205 deletions
diff --git a/gcc/gcov.c b/gcc/gcov.c
index c8fc6ad..276918f 100644
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -1,7 +1,7 @@
/* Gcov.c: prepend line execution counts and branch probabilities to a
source file.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003 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>
@@ -102,7 +102,7 @@ typedef struct arc_info
/* Next branch on line. */
struct arc_info *line_next;
-
+
/* Links to next arc on src and dst lists. */
struct arc_info *succ_next;
struct arc_info *pred_next;
@@ -159,7 +159,7 @@ typedef struct block_info
/* Temporary chain for solving graph, and for chaining blocks on one
line. */
struct block_info *chain;
-
+
} block_t;
/* Describes a single function. Contains an array of basic blocks. */
@@ -186,7 +186,7 @@ typedef struct function_info
/* Next function in same source file. */
struct function_info *line_next;
-
+
/* Next function. */
struct function_info *next;
} function_t;
@@ -197,14 +197,14 @@ typedef struct coverage_info
{
int lines;
int lines_executed;
-
+
int branches;
int branches_executed;
int branches_taken;
-
+
int calls;
int calls_executed;
-
+
char *name;
} coverage_t;
@@ -216,7 +216,7 @@ typedef struct line_info
gcov_type count; /* execution count */
union
{
- arc_t *branches; /* branches from blocks that end on this
+ arc_t *branches; /* branches from blocks that end on this
line. Used for branch-counts when not
all-blocks mode. */
block_t *blocks; /* blocks which start on this line. Used
@@ -243,7 +243,7 @@ typedef struct source_info
/* Functions in this source file. These are in ascending line
number order. */
function_t *functions;
-
+
/* Next source file. */
struct source_info *next;
} source_t;
@@ -280,7 +280,7 @@ static char *da_file_name;
static int flag_branches = 0;
-/* Show unconditional branches too. */
+/* Show unconditional branches too. */
static int flag_unconditional = 0;
/* Output a gcov file if this is true. This is on by default, and can
@@ -320,34 +320,32 @@ static int flag_preserve_paths = 0;
static int flag_counts = 0;
/* Forward declarations. */
-static void fnotice PARAMS ((FILE *, const char *, ...)) ATTRIBUTE_PRINTF_2;
-static int process_args PARAMS ((int, char **));
-static void print_usage PARAMS ((int)) ATTRIBUTE_NORETURN;
-static void print_version PARAMS ((void)) ATTRIBUTE_NORETURN;
-static void process_file PARAMS ((const char *));
-static void create_file_names PARAMS ((const char *));
-static source_t *find_source PARAMS ((const char *));
-static int read_graph_file PARAMS ((void));
-static int read_count_file PARAMS ((void));
-static void solve_flow_graph PARAMS ((function_t *));
-static void add_branch_counts PARAMS ((coverage_t *, const arc_t *));
-static void add_line_counts PARAMS ((coverage_t *, function_t *));
-static void function_summary PARAMS ((const coverage_t *, const char *));
-static const char *format_gcov PARAMS ((gcov_type, gcov_type, int));
-static void accumulate_line_counts PARAMS ((source_t *));
-static int output_branch_count PARAMS ((FILE *, int, const arc_t *));
-static void output_lines PARAMS ((FILE *, const source_t *));
-static char *make_gcov_file_name PARAMS ((const char *, const char *));
-static void release_structures PARAMS ((void));
-extern int main PARAMS ((int, char **));
+static void fnotice (FILE *, const char *, ...) ATTRIBUTE_PRINTF_2;
+static int process_args (int, char **);
+static void print_usage (int) ATTRIBUTE_NORETURN;
+static void print_version (void) ATTRIBUTE_NORETURN;
+static void process_file (const char *);
+static void create_file_names (const char *);
+static source_t *find_source (const char *);
+static int read_graph_file (void);
+static int read_count_file (void);
+static void solve_flow_graph (function_t *);
+static void add_branch_counts (coverage_t *, const arc_t *);
+static void add_line_counts (coverage_t *, function_t *);
+static void function_summary (const coverage_t *, const char *);
+static const char *format_gcov (gcov_type, gcov_type, int);
+static void accumulate_line_counts (source_t *);
+static int output_branch_count (FILE *, int, const arc_t *);
+static void output_lines (FILE *, const source_t *);
+static char *make_gcov_file_name (const char *, const char *);
+static void release_structures (void);
+extern int main (int, char **);
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int argno;
-
+
gcc_init_libintl ();
argno = process_args (argc, argv);
@@ -357,10 +355,10 @@ main (argc, argv)
for (; argno != argc; argno++)
{
release_structures ();
-
+
process_file (argv[argno]);
}
-
+
return 0;
}
@@ -368,7 +366,7 @@ static void
fnotice (FILE *file, const char *msgid, ...)
{
va_list ap;
-
+
va_start (ap, msgid);
vfprintf (file, _(msgid), ap);
va_end (ap);
@@ -376,10 +374,10 @@ fnotice (FILE *file, const char *msgid, ...)
/* More 'friendly' abort that prints the line and file.
config.h can #define abort fancy_abort if you like that sort of thing. */
-extern void fancy_abort PARAMS ((void)) ATTRIBUTE_NORETURN;
+extern void fancy_abort (void) ATTRIBUTE_NORETURN;
void
-fancy_abort ()
+fancy_abort (void)
{
fnotice (stderr, "Internal gcov abort.\n");
exit (FATAL_EXIT_CODE);
@@ -389,12 +387,11 @@ fancy_abort ()
otherwise the output of --help. */
static void
-print_usage (error_p)
- int error_p;
+print_usage (int error_p)
{
FILE *file = error_p ? stderr : stdout;
int status = error_p ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE;
-
+
fnotice (file, "Usage: gcov [OPTION]... SOURCEFILE\n\n");
fnotice (file, "Print code coverage information.\n\n");
fnotice (file, " -h, --help Print this help, then exit\n");
@@ -418,7 +415,7 @@ print_usage (error_p)
/* Print version information and exit. */
static void
-print_version ()
+print_version (void)
{
char v[4];
unsigned version = GCOV_VERSION;
@@ -454,9 +451,7 @@ static const struct option options[] =
/* Process args, return index to first non-arg. */
static int
-process_args (argc, argv)
- int argc;
- char **argv;
+process_args (int argc, char **argv)
{
int opt;
@@ -509,25 +504,24 @@ process_args (argc, argv)
/* Process a single source file. */
static void
-process_file (file_name)
- const char *file_name;
+process_file (const char *file_name)
{
source_t *src;
function_t *fn;
-
+
create_file_names (file_name);
if (read_graph_file ())
return;
-
+
if (!functions)
{
fnotice (stderr, "%s:no functions found\n", bbg_file_name);
return;
}
-
+
if (read_count_file ())
return;
-
+
for (fn = functions; fn; fn = fn->next)
solve_flow_graph (fn);
for (src = sources; src; src = src->next)
@@ -535,7 +529,7 @@ process_file (file_name)
for (fn = functions; fn; fn = fn->next)
{
coverage_t coverage;
-
+
memset (&coverage, 0, sizeof (coverage));
coverage.name = fn->name;
add_line_counts (flag_function_summary ? &coverage : NULL, fn);
@@ -545,7 +539,7 @@ process_file (file_name)
fnotice (stdout, "\n");
}
}
-
+
for (src = sources; src; src = src->next)
{
accumulate_line_counts (src);
@@ -554,7 +548,7 @@ process_file (file_name)
{
char *gcov_file_name = make_gcov_file_name (file_name, src->name);
FILE *gcov_file = fopen (gcov_file_name, "w");
-
+
if (gcov_file)
{
fnotice (stdout, "%s:creating `%s'\n",
@@ -577,17 +571,17 @@ process_file (file_name)
/* Release all memory used. */
static void
-release_structures ()
+release_structures (void)
{
function_t *fn;
source_t *src;
-
+
free (bbg_file_name);
free (da_file_name);
da_file_name = bbg_file_name = NULL;
bbg_file_time = 0;
bbg_stamp = 0;
-
+
while ((src = sources))
{
sources = src->next;
@@ -595,12 +589,12 @@ release_structures ()
free (src->name);
free (src->lines);
}
-
+
while ((fn = functions))
{
unsigned ix;
block_t *block;
-
+
functions = fn->next;
for (ix = fn->num_blocks, block = fn->blocks; ix--; block++)
{
@@ -626,14 +620,13 @@ release_structures ()
the object *file*, and the data files are named from that. */
static void
-create_file_names (file_name)
- const char *file_name;
+create_file_names (const char *file_name)
{
char *cptr;
char *name;
int length = strlen (file_name);
int base;
-
+
if (object_directory && object_directory[0])
{
struct stat status;
@@ -641,7 +634,7 @@ create_file_names (file_name)
length += strlen (object_directory) + 2;
name = xmalloc (length);
name[0] = 0;
-
+
base = !stat (object_directory, &status) && S_ISDIR (status.st_mode);
strcat (name, object_directory);
if (base && name[strlen (name) - 1] != '/')
@@ -653,21 +646,21 @@ create_file_names (file_name)
name[0] = 0;
base = 1;
}
-
+
if (base)
{
/* Append source file name. */
cptr = strrchr (file_name, '/');
strcat (name, cptr ? cptr + 1 : file_name);
}
-
+
/* Remove the extension. */
cptr = strrchr (name, '.');
if (cptr)
*cptr = 0;
-
+
length = strlen (name);
-
+
bbg_file_name = xmalloc (length + strlen (GCOV_GRAPH_SUFFIX) + 1);
strcpy (bbg_file_name, name);
strcpy (bbg_file_name + length, GCOV_GRAPH_SUFFIX);
@@ -675,7 +668,7 @@ create_file_names (file_name)
da_file_name = xmalloc (length + strlen (GCOV_DATA_SUFFIX) + 1);
strcpy (da_file_name, name);
strcpy (da_file_name + length, GCOV_DATA_SUFFIX);
-
+
return;
}
@@ -683,18 +676,17 @@ create_file_names (file_name)
FILE_NAME on creation */
static source_t *
-find_source (file_name)
- const char *file_name;
+find_source (const char *file_name)
{
source_t *src;
if (!file_name)
file_name = "<unknown>";
-
+
for (src = sources; src; src = src->next)
if (!strcmp (file_name, src->name))
return src;
-
+
src = (source_t *)xcalloc (1, sizeof (source_t));
src->name = xstrdup (file_name);
src->coverage.name = src->name;
@@ -708,7 +700,7 @@ find_source (file_name)
/* Read the graph file. Return nonzero on fatal error. */
static int
-read_graph_file ()
+read_graph_file (void)
{
unsigned version;
unsigned current_tag = 0;
@@ -716,7 +708,7 @@ read_graph_file ()
source_t *src = NULL;
unsigned ix;
unsigned tag;
-
+
if (!gcov_open (bbg_file_name, 1))
{
fnotice (stderr, "%s:cannot open graph file\n", bbg_file_name);
@@ -735,7 +727,7 @@ read_graph_file ()
{
char v[4], e[4];
unsigned required = GCOV_VERSION;
-
+
for (ix = 4; ix--; required >>= 8, version >>= 8)
{
v[ix] = version;
@@ -763,7 +755,7 @@ read_graph_file ()
function_name = xstrdup (gcov_read_string ());
src = find_source (gcov_read_string ());
lineno = gcov_read_unsigned ();
-
+
fn = (function_t *)xcalloc (1, sizeof (function_t));
fn->name = function_name;
fn->ident = ident;
@@ -774,7 +766,7 @@ read_graph_file ()
fn->next = functions;
functions = fn;
current_tag = tag;
-
+
if (lineno >= src->num_lines)
src->num_lines = lineno + 1;
/* Now insert it into the source file's list of
@@ -799,7 +791,7 @@ read_graph_file ()
{
unsigned ix, num_blocks = length / 4;
fn->num_blocks = num_blocks;
-
+
fn->blocks
= (block_t *)xcalloc (fn->num_blocks, sizeof (block_t));
for (ix = 0; ix != num_blocks; ix++)
@@ -813,30 +805,30 @@ read_graph_file ()
if (src >= fn->num_blocks || fn->blocks[src].succ)
goto corrupt;
-
+
while (num_dests--)
{
struct arc_info *arc;
unsigned dest = gcov_read_unsigned ();
unsigned flags = gcov_read_unsigned ();
-
+
if (dest >= fn->num_blocks)
goto corrupt;
arc = (arc_t *) xcalloc (1, sizeof (arc_t));
-
+
arc->dst = &fn->blocks[dest];
arc->src = &fn->blocks[src];
-
+
arc->count = 0;
arc->count_valid = 0;
arc->on_tree = !!(flags & GCOV_ARC_ON_TREE);
arc->fake = !!(flags & GCOV_ARC_FAKE);
arc->fall_through = !!(flags & GCOV_ARC_FALLTHROUGH);
-
+
arc->succ_next = fn->blocks[src].succ;
fn->blocks[src].succ = arc;
fn->blocks[src].num_succ++;
-
+
arc->pred_next = fn->blocks[dest].pred;
fn->blocks[dest].pred = arc;
fn->blocks[dest].num_pred++;
@@ -853,13 +845,13 @@ read_graph_file ()
else
{
/* Non-local return from a callee of this
- function. The destination block is a catch or
- setjmp. */
+ function. The destination block is a catch or
+ setjmp. */
arc->is_nonlocal_return = 1;
fn->blocks[dest].is_nonlocal_return = 1;
}
}
-
+
if (!arc->on_tree)
fn->num_counts++;
}
@@ -872,11 +864,11 @@ read_graph_file ()
if (blockno >= fn->num_blocks || fn->blocks[blockno].u.line.encoding)
goto corrupt;
-
+
for (ix = 0; ; )
{
unsigned lineno = gcov_read_unsigned ();
-
+
if (lineno)
{
if (!ix)
@@ -891,16 +883,16 @@ read_graph_file ()
else
{
const char *file_name = gcov_read_string ();
-
+
if (!file_name)
break;
src = find_source (file_name);
-
+
line_nos[ix++] = 0;
line_nos[ix++] = src->index;
}
}
-
+
fn->blocks[blockno].u.line.encoding = line_nos;
fn->blocks[blockno].u.line.num = ix;
}
@@ -921,9 +913,9 @@ read_graph_file ()
return 1;
}
gcov_close ();
-
+
/* We built everything backwards, so nreverse them all */
-
+
/* Reverse sources. Not strictly necessary, but we'll then process
them in the 'expected' order. */
{
@@ -944,7 +936,7 @@ read_graph_file ()
for (fn_p = NULL, fn = functions; fn; fn_p = fn, fn = fn_n)
{
unsigned ix;
-
+
fn_n = fn->next;
fn->next = fn_p;
@@ -952,7 +944,7 @@ read_graph_file ()
for (ix = fn->num_blocks; ix--;)
{
arc_t *arc, *arc_p, *arc_n;
-
+
for (arc_p = NULL, arc = fn->blocks[ix].succ; arc;
arc_p = arc, arc = arc_n)
{
@@ -979,7 +971,7 @@ read_graph_file ()
function. Return nonzero if fatal error. */
static int
-read_count_file ()
+read_count_file (void)
{
unsigned ix;
unsigned version;
@@ -1004,7 +996,7 @@ read_count_file ()
{
char v[4], e[4];
unsigned desired = GCOV_VERSION;
-
+
for (ix = 4; ix--; desired >>= 8, version >>= 8)
{
v[ix] = version;
@@ -1019,7 +1011,7 @@ read_count_file ()
fnotice (stderr, "%s:stamp mismatch with graph file\n", da_file_name);
goto cleanup;
}
-
+
while ((tag = gcov_read_unsigned ()))
{
unsigned length = gcov_read_unsigned ();
@@ -1064,11 +1056,11 @@ read_count_file ()
{
if (length != 8 * fn->num_counts)
goto mismatch;
-
+
if (!fn->counts)
fn->counts
= (gcov_type *)xcalloc (fn->num_counts, sizeof (gcov_type));
-
+
for (ix = 0; ix != fn->num_counts; ix++)
fn->counts[ix] += gcov_read_counter ();
}
@@ -1083,7 +1075,7 @@ read_count_file ()
da_file_name);
goto cleanup;
}
-
+
gcov_close ();
return 0;
}
@@ -1092,8 +1084,7 @@ read_count_file ()
to the blocks and the uninstrumented arcs. */
static void
-solve_flow_graph (fn)
- function_t *fn;
+solve_flow_graph (function_t *fn)
{
unsigned ix;
arc_t *arc;
@@ -1101,7 +1092,7 @@ solve_flow_graph (fn)
block_t *blk;
block_t *valid_blocks = NULL; /* valid, but unpropagated blocks. */
block_t *invalid_blocks = NULL; /* invalid, but inferable blocks. */
-
+
if (fn->num_blocks < 2)
fnotice (stderr, "%s:`%s' lacks entry and/or exit blocks\n",
bbg_file_name, fn->name);
@@ -1114,7 +1105,7 @@ solve_flow_graph (fn)
/* We can't deduce the entry block counts from the lack of
predecessors. */
fn->blocks[0].num_pred = ~(unsigned)0;
-
+
if (fn->blocks[fn->num_blocks - 1].num_succ)
fnotice (stderr, "%s:`%s' has arcs from exit block\n",
bbg_file_name, fn->name);
@@ -1131,12 +1122,12 @@ solve_flow_graph (fn)
block_t const *prev_dst = NULL;
int out_of_order = 0;
int non_fake_succ = 0;
-
+
for (arc = blk->succ; arc; arc = arc->succ_next)
{
if (!arc->fake)
non_fake_succ++;
-
+
if (!arc->on_tree)
{
if (count_ptr)
@@ -1168,7 +1159,7 @@ solve_flow_graph (fn)
arc->dst->is_call_return = 1;
}
}
-
+
/* Sort the successor arcs into ascending dst order. profile.c
normally produces arcs in the right order, but sometimes with
one or two out of order. We're not using a particularly
@@ -1177,11 +1168,11 @@ solve_flow_graph (fn)
{
arc_t *start = blk->succ;
unsigned changes = 1;
-
+
while (changes)
{
arc_t *arc, *arc_p, *arc_n;
-
+
changes = 0;
for (arc_p = NULL, arc = start; (arc_n = arc->succ_next);)
{
@@ -1205,7 +1196,7 @@ solve_flow_graph (fn)
}
blk->succ = start;
}
-
+
/* Place it on the invalid chain, it will be ignored if that's
wrong. */
blk->invalid_chain = 1;
@@ -1219,7 +1210,7 @@ solve_flow_graph (fn)
{
gcov_type total = 0;
const arc_t *arc;
-
+
invalid_blocks = blk->chain;
blk->invalid_chain = 0;
if (!blk->num_succ)
@@ -1230,7 +1221,7 @@ solve_flow_graph (fn)
total += arc->count;
else
continue;
-
+
blk->count = total;
blk->count_valid = 1;
blk->chain = valid_blocks;
@@ -1247,7 +1238,7 @@ solve_flow_graph (fn)
if (blk->num_succ == 1)
{
block_t *dst;
-
+
total = blk->count;
inv_arc = NULL;
for (arc = blk->succ; arc; arc = arc->succ_next)
@@ -1283,7 +1274,7 @@ solve_flow_graph (fn)
if (blk->num_pred == 1)
{
block_t *src;
-
+
total = blk->count;
inv_arc = NULL;
for (arc = blk->pred; arc; arc = arc->pred_next)
@@ -1318,7 +1309,7 @@ solve_flow_graph (fn)
}
}
}
-
+
/* If the graph has been correctly solved, every block will have a
valid count. */
for (ix = 0; ix < fn->num_blocks; ix++)
@@ -1335,9 +1326,7 @@ solve_flow_graph (fn)
/* Increment totals in COVERAGE according to arc ARC. */
static void
-add_branch_counts (coverage, arc)
- coverage_t *coverage;
- const arc_t *arc;
+add_branch_counts (coverage_t *coverage, const arc_t *arc)
{
if (arc->is_call_non_return)
{
@@ -1362,22 +1351,20 @@ add_branch_counts (coverage, arc)
format TOP. Return pointer to a static string. */
static char const *
-format_gcov (top, bottom, dp)
- gcov_type top, bottom;
- int dp;
+format_gcov (gcov_type top, gcov_type bottom, int dp)
{
static char buffer[20];
-
+
if (dp >= 0)
{
float ratio = bottom ? (float)top / bottom : 0;
int ix;
unsigned limit = 100;
unsigned percent;
-
+
for (ix = dp; ix--; )
limit *= 10;
-
+
percent = (unsigned) (ratio * limit + (float)0.5);
if (percent <= 0 && top)
percent = 1;
@@ -1398,7 +1385,7 @@ format_gcov (top, bottom, dp)
}
else
sprintf (buffer, HOST_WIDEST_INT_PRINT_DEC, (HOST_WIDEST_INT)top);
-
+
return buffer;
}
@@ -1406,9 +1393,7 @@ format_gcov (top, bottom, dp)
/* Output summary info for a function. */
static void
-function_summary (coverage, title)
- const coverage_t *coverage;
- const char *title;
+function_summary (const coverage_t *coverage, const char *title)
{
fnotice (stdout, "%s `%s'\n", title, coverage->name);
@@ -1454,13 +1439,11 @@ function_summary (coverage, title)
removed and '..' components are renamed to '^'. */
static char *
-make_gcov_file_name (input_name, src_name)
- const char *input_name;
- const char *src_name;
+make_gcov_file_name (const char *input_name, const char *src_name)
{
char *cptr;
char *name = xmalloc (strlen (src_name) + strlen (input_name) + 10);
-
+
name[0] = 0;
if (flag_long_names && strcmp (src_name, input_name))
{
@@ -1469,43 +1452,43 @@ make_gcov_file_name (input_name, src_name)
strcat (name, cptr ? cptr + 1 : input_name);
strcat (name, "##");
}
-
+
/* Generate the source filename part. */
cptr = flag_preserve_paths ? NULL : strrchr (src_name, '/');
strcat (name, cptr ? cptr + 1 : src_name);
-
+
if (flag_preserve_paths)
{
/* Convert '/' to '#', remove '/./', convert '/../' to '/^/' */
char *prev;
-
+
for (cptr = name; (cptr = strchr ((prev = cptr), '/'));)
- {
- unsigned shift = 0;
-
- if (prev + 1 == cptr && prev[0] == '.')
- {
- /* Remove '.' */
- shift = 2;
- }
- else if (prev + 2 == cptr && prev[0] == '.' && prev[1] == '.')
- {
- /* Convert '..' */
- shift = 1;
- prev[1] = '^';
- }
- else
- *cptr++ = '#';
- if (shift)
- {
- cptr = prev;
- do
- prev[0] = prev[shift];
+ {
+ unsigned shift = 0;
+
+ if (prev + 1 == cptr && prev[0] == '.')
+ {
+ /* Remove '.' */
+ shift = 2;
+ }
+ else if (prev + 2 == cptr && prev[0] == '.' && prev[1] == '.')
+ {
+ /* Convert '..' */
+ shift = 1;
+ prev[1] = '^';
+ }
+ else
+ *cptr++ = '#';
+ if (shift)
+ {
+ cptr = prev;
+ do
+ prev[0] = prev[shift];
while (*prev++);
- }
- }
+ }
+ }
}
-
+
strcat (name, ".gcov");
return name;
}
@@ -1515,9 +1498,7 @@ make_gcov_file_name (input_name, src_name)
the appropriate basic block. */
static void
-add_line_counts (coverage, fn)
- coverage_t *coverage;
- function_t *fn;
+add_line_counts (coverage_t *coverage, function_t *fn)
{
unsigned ix;
line_t *line = NULL; /* this is propagated from one iteration to the
@@ -1560,13 +1541,13 @@ add_line_counts (coverage, fn)
free (block->u.line.encoding);
block->u.cycle.arc = NULL;
block->u.cycle.ident = ~0U;
-
+
if (!ix || ix + 1 == fn->num_blocks)
/* Entry or exit block */;
else if (flag_all_blocks)
{
line_t *block_line = line ? line : &fn->src->lines[fn->line];
-
+
block->chain = block_line->u.blocks;
block_line->u.blocks = block;
}
@@ -1590,8 +1571,7 @@ add_line_counts (coverage, fn)
/* Accumulate the line counts of a file. */
static void
-accumulate_line_counts (src)
- source_t *src;
+accumulate_line_counts (source_t *src)
{
line_t *line;
function_t *fn, *fn_p, *fn_n;
@@ -1605,20 +1585,20 @@ accumulate_line_counts (src)
fn->line_next = fn_p;
}
src->functions = fn_p;
-
+
for (ix = src->num_lines, line = src->lines; ix--; line++)
{
if (!flag_all_blocks)
{
arc_t *arc, *arc_p, *arc_n;
-
+
/* Total and reverse the branch information. */
for (arc = line->u.branches, arc_p = NULL; arc;
arc_p = arc, arc = arc_n)
{
arc_n = arc->line_next;
arc->line_next = arc_p;
-
+
add_branch_counts (&src->coverage, arc);
}
line->u.branches = arc_p;
@@ -1633,7 +1613,7 @@ accumulate_line_counts (src)
and add the transition counts of those cycles. */
block_t *block, *block_p, *block_n;
gcov_type count = 0;
-
+
/* Reverse the block information. */
for (block = line->u.blocks, block_p = NULL; block;
block_p = block, block = block_n)
@@ -1643,7 +1623,7 @@ accumulate_line_counts (src)
block->u.cycle.ident = ix;
}
line->u.blocks = block_p;
-
+
/* Sum the entry arcs. */
for (block = line->u.blocks; block; block = block->chain)
{
@@ -1677,7 +1657,7 @@ accumulate_line_counts (src)
{
block_t *head = block;
arc_t *arc;
-
+
next_vertex:;
arc = head->succ;
current_vertex:;
@@ -1694,14 +1674,14 @@ accumulate_line_counts (src)
arc = arc->succ_next;
continue;
}
-
+
if (dst == block)
{
/* Found a closing arc. */
gcov_type cycle_count = arc->count;
arc_t *cycle_arc = arc;
arc_t *probe_arc;
-
+
/* Locate the smallest arc count of the loop. */
for (dst = head; (probe_arc = dst->u.cycle.arc);
dst = probe_arc->src)
@@ -1710,7 +1690,7 @@ accumulate_line_counts (src)
cycle_count = probe_arc->count;
cycle_arc = probe_arc;
}
-
+
count += cycle_count;
cycle_arc->cycle = 1;
/* Unwind to the cyclic arc. */
@@ -1723,7 +1703,7 @@ accumulate_line_counts (src)
arc = arc->succ_next;
continue;
}
-
+
/* Add new block to chain. */
dst->u.cycle.arc = arc;
head = dst;
@@ -1746,7 +1726,7 @@ accumulate_line_counts (src)
line->count = count;
}
-
+
if (line->exists)
{
src->coverage.lines++;
@@ -1760,12 +1740,9 @@ accumulate_line_counts (src)
anything is output. */
static int
-output_branch_count (gcov_file, ix, arc)
- FILE *gcov_file;
- int ix;
- const arc_t *arc;
+output_branch_count (FILE *gcov_file, int ix, const arc_t *arc)
{
-
+
if (arc->is_call_non_return)
{
if (arc->src->count)
@@ -1797,7 +1774,7 @@ output_branch_count (gcov_file, ix, arc)
else
return 0;
return 1;
-
+
}
/* Read in the source file one line at a time, and output that line to
@@ -1805,12 +1782,10 @@ output_branch_count (gcov_file, ix, arc)
information. */
static void
-output_lines (gcov_file, src)
- FILE *gcov_file;
- const source_t *src;
+output_lines (FILE *gcov_file, const source_t *src)
{
FILE *source_file;
- unsigned line_num; /* current line number. */
+ unsigned line_num; /* current line number. */
const line_t *line; /* current line info ptr. */
char string[STRING_SIZE]; /* line buffer. */
char const *retval = ""; /* status of source file reading. */
@@ -1822,7 +1797,7 @@ output_lines (gcov_file, src)
fprintf (gcov_file, "%9s:%5d:Runs:%u\n", "-", 0,
object_summary.ctrs[GCOV_COUNTER_ARCS].runs);
fprintf (gcov_file, "%9s:%5d:Programs:%u\n", "-", 0, program_count);
-
+
source_file = fopen (src->name, "r");
if (!source_file)
{
@@ -1832,7 +1807,7 @@ output_lines (gcov_file, src)
else
{
struct stat status;
-
+
if (!fstat (fileno (source_file), &status)
&& status.st_mtime > bbg_file_time)
{
@@ -1854,7 +1829,7 @@ output_lines (gcov_file, src)
for (; arc; arc = arc->pred_next)
if (arc->fake)
return_count -= arc->count;
-
+
fprintf (gcov_file, "function %s", fn->name);
fprintf (gcov_file, " called %s",
format_gcov (fn->blocks[0].count, 0, -1));
@@ -1864,17 +1839,17 @@ output_lines (gcov_file, src)
format_gcov (fn->blocks_executed, fn->num_blocks - 2, 0));
fprintf (gcov_file, "\n");
}
-
+
/* For lines which don't exist in the .bb file, print '-' before
- the source line. For lines which exist but were never
- executed, print '#####' before the source line. Otherwise,
- print the execution count before the source line. There are
- 16 spaces of indentation added before the source line so that
- tabs won't be messed up. */
+ the source line. For lines which exist but were never
+ executed, print '#####' before the source line. Otherwise,
+ print the execution count before the source line. There are
+ 16 spaces of indentation added before the source line so that
+ tabs won't be messed up. */
fprintf (gcov_file, "%9s:%5u:",
!line->exists ? "-" : !line->count ? "#####"
: format_gcov (line->count, 0, -1), line_num);
-
+
if (retval)
{
/* Copy source line. */
@@ -1895,7 +1870,7 @@ output_lines (gcov_file, src)
block_t *block;
arc_t *arc;
int ix, jx;
-
+
for (ix = jx = 0, block = line->u.blocks; block;
block = block->chain)
{
@@ -1913,12 +1888,12 @@ output_lines (gcov_file, src)
{
int ix;
arc_t *arc;
-
+
for (ix = 0, arc = line->u.branches; arc; arc = arc->line_next)
ix += output_branch_count (gcov_file, ix, arc);
}
}
-
+
/* Handle all remaining source lines. There may be lines after the
last line of code. */
if (retval)
@@ -1926,7 +1901,7 @@ output_lines (gcov_file, src)
for (; (retval = fgets (string, STRING_SIZE, source_file)); line_num++)
{
fprintf (gcov_file, "%9s:%5u:%s", "-", line_num, retval);
-
+
while (!retval[0] || retval[strlen (retval) - 1] != '\n')
{
retval = fgets (string, STRING_SIZE, source_file);
@@ -1936,7 +1911,7 @@ output_lines (gcov_file, src)
}
}
}
-
+
if (source_file)
fclose (source_file);
}