Viewing file:  one_time_plugin.c (1.81 KB) -rw-r--r--
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/* Plugin that prints message if it inserted (and invoked) more than once. */
#include "config.h"
#include "gcc-plugin.h"
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "tm.h"
#include "toplev.h"
#include "hash-table.h"
#include "vec.h"
#include "ggc.h"
#include "basic-block.h"
#include "tree-ssa-alias.h"
#include "internal-fn.h"
#include "gimple-fold.h"
#include "tree-eh.h"
#include "gimple-expr.h"
#include "is-a.h"
#include "gimple.h"
#include "tree-pass.h"
#include "intl.h"
#include "context.h"
int plugin_is_GPL_compatible;
namespace {
const pass_data pass_data_one_pass =
{
GIMPLE_PASS, /* type */
"cfg", /* name */
OPTGROUP_NONE, /* optinfo_flags */
TV_NONE, /* tv_id */
PROP_gimple_any, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
};
class one_pass : public gimple_opt_pass
{
public:
one_pass(gcc::context *ctxt)
: gimple_opt_pass(pass_data_one_pass, ctxt),
counter(0)
{}
/* opt_pass methods: */
virtual bool gate (function *);
virtual unsigned int execute (function *);
private:
int counter;
}; // class one_pass
} // anon namespace
bool one_pass::gate (function *)
{
return true;
}
unsigned int
one_pass::execute (function *)
{
if (counter > 0) {
printf ("Executed more than once \n");
}
counter++;
return 0;
}
gimple_opt_pass *
make_one_pass (gcc::context *ctxt)
{
return new one_pass (ctxt);
}
int plugin_init (struct plugin_name_args *plugin_info,
struct plugin_gcc_version *version)
{
struct register_pass_info p;
p.pass = make_one_pass (g);
p.reference_pass_name = "cfg";
p.ref_pass_instance_number = 1;
p.pos_op = PASS_POS_INSERT_AFTER;
register_callback ("one_pass", PLUGIN_PASS_MANAGER_SETUP, NULL, &p);
return 0;
}
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