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[PFUNCT]: Implement --nr_parameters 

[acme@newtoy net-2.6]$ pfunct --nr_parameters vmlinux | sort -k 2 -nr | head -5
__ide_add_setting: 13
ide_add_setting: 12
fib_dump_info: 12
__blockdev_direct_IO: 10
vma_merge: 9
[acme@newtoy net-2.6]$

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-11-01 10:34:42 -03:00
parent 4a6117a912
commit 09bb5df8aa
3 changed files with 31 additions and 8 deletions
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2
classes.c
View File

@ -266,6 +266,7 @@ static struct class *class__new(const unsigned int tag,
self->decl_line = decl_line;
self->nr_holes = 0;
self->nr_labels = 0;
self->nr_members = 0;
self->nr_variables = 0;
self->padding = 0;
self->inlined = inlined;
@ -278,6 +279,7 @@ static struct class *class__new(const unsigned int tag,
static void class__add_member(struct class *self, struct class_member *member)
{
++self->nr_members;
list_add_tail(&member->node, &self->members);
}

1
classes.h
View File

@ -33,6 +33,7 @@ struct class {
uintmax_t high_pc;
const char *decl_file;
unsigned int decl_line;
unsigned short nr_members;
unsigned short nr_holes;
unsigned short nr_labels;
unsigned short nr_variables;

36
pfunct.c
View File

@ -17,12 +17,13 @@
static int verbose;
static struct option long_options[] = {
{ "class", required_argument, NULL, 'c' },
{ "goto_labels", no_argument, NULL, 'g' },
{ "help", no_argument, NULL, 'h' },
{ "sizes", no_argument, NULL, 's' },
{ "variables", no_argument, NULL, 'S' },
{ "verbose", no_argument, NULL, 'V' },
{ "class", required_argument, NULL, 'c' },
{ "goto_labels", no_argument, NULL, 'g' },
{ "help", no_argument, NULL, 'h' },
{ "nr_parameters", no_argument, NULL, 'p' },
{ "sizes", no_argument, NULL, 's' },
{ "variables", no_argument, NULL, 'S' },
{ "verbose", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0, }
};
@ -142,6 +143,21 @@ static int cu_function_iterator(struct cu *cu, void *cookie)
return cu__for_each_class(cu, function_iterator, cookie);
}
static int nr_parameters_iterator(struct cu *cu, struct class *class, void *cookie)
{
if (class->tag != DW_TAG_subprogram || class->inlined)
return 0;
if (class->nr_members > 0)
printf("%s: %u\n", class->name, class->nr_members);
return 0;
}
static int cu_nr_parameters_iterator(struct cu *cu, void *cookie)
{
return cu__for_each_class(cu, nr_parameters_iterator, cookie);
}
int main(int argc, char *argv[])
{
int option, option_index;
@ -151,13 +167,15 @@ int main(int argc, char *argv[])
int show_sizes = 0;
int show_variables = 0;
int show_goto_labels = 0;
int show_nr_parameters = 0;
while ((option = getopt_long(argc, argv, "c:gsSV",
while ((option = getopt_long(argc, argv, "c:gpsSV",
long_options, &option_index)) >= 0)
switch (option) {
case 'c': class_name = optarg; break;
case 's': show_sizes = 1; break;
case 'S': show_variables = 1; break;
case 'p': show_nr_parameters = 1; break;
case 'g': show_goto_labels = 1; break;
case 'V': verbose = 1; break;
case 'h': usage(); return EXIT_SUCCESS;
@ -179,7 +197,9 @@ int main(int argc, char *argv[])
return EXIT_FAILURE;
}
if (show_variables)
if (show_nr_parameters)
cus__for_each_cu(cu_nr_parameters_iterator, NULL);
else if (show_variables)
cus__for_each_cu(cu_variables_iterator, NULL);
else if (show_goto_labels)
cus__for_each_cu(cu_goto_labels_iterator, NULL);