Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * Copyright 2011-2016 by Emese Revfy <re.emese@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Licensed under the GPL v2, or (at your option) v3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Homepage:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * https://github.com/ephox-gcc-plugins/cyclomatic_complexity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * https://en.wikipedia.org/wiki/Cyclomatic_complexity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * The complexity M is then defined as:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * M = E - N + 2P
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * where
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  *  E = the number of edges of the graph
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  *  N = the number of nodes of the graph
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *  P = the number of connected components (exit nodes).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * Usage (4.5 - 5):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * $ make clean; make run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "gcc-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) __visible int plugin_is_GPL_compatible;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct plugin_info cyc_complexity_plugin_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.version	= "20160225",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.help		= "Cyclomatic Complexity\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static unsigned int cyc_complexity_execute(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	int complexity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	expanded_location xloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	/* M = E - N + 2P */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	complexity = n_edges_for_fn(cfun) - n_basic_blocks_for_fn(cfun) + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	fprintf(stderr, "Cyclomatic Complexity %d %s:%s\n", complexity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		xloc.file, DECL_NAME_POINTER(current_function_decl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define PASS_NAME cyc_complexity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define NO_GATE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define TODO_FLAGS_FINISH TODO_dump_func
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #include "gcc-generate-gimple-pass.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) __visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	const char * const plugin_name = plugin_info->base_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	PASS_INFO(cyc_complexity, "ssa", 1, PASS_POS_INSERT_AFTER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	if (!plugin_default_version_check(version, &gcc_version)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		error(G_("incompatible gcc/plugin versions"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	register_callback(plugin_name, PLUGIN_INFO, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 				&cyc_complexity_plugin_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 				&cyc_complexity_pass_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }