67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* This plugin tests the correct operation of a PLUGIN_START_UNIT callback.
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* By the time a PLUGIN_START_UNIT callback is invoked, the frontend
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* initialization should have completed. At least the different *_type_nodes
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* should have been created. This plugin creates an artifical global
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* interger variable.
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*
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*/
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#include "gcc-plugin.h"
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "toplev.h"
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#include "basic-block.h"
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#include "gimple.h"
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#include "tree.h"
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#include "tree-pass.h"
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#include "intl.h"
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int plugin_is_GPL_compatible;
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static tree fake_var = NULL;
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static bool
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gate_start_unit (void)
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{
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return true;
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}
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static void start_unit_callback (void *gcc_data, void *user_data)
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{
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if (integer_type_node) {
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fake_var = build_decl (UNKNOWN_LOCATION, VAR_DECL,
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get_identifier ("_fake_var_"),
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integer_type_node);
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TREE_PUBLIC (fake_var) = 1;
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DECL_ARTIFICIAL (fake_var) = 1;
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}
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}
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static void finish_unit_callback (void *gcc_data, void *user_data)
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{
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if (fake_var == NULL) {
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printf ("fake_var not created \n");
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return;
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}
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if (TREE_CODE (fake_var) != VAR_DECL) {
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printf ("fake_var not a VAR_DECL \n");
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return;
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}
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if (TREE_CODE (TREE_TYPE (fake_var)) != INTEGER_TYPE) {
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printf ("fake_var not INTEGER_TYPE \n");
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return;
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}
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if (DECL_ARTIFICIAL (fake_var) == 0) {
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printf ("fake_var not ARTIFICIAL \n");
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return;
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}
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}
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int plugin_init (struct plugin_name_args *plugin_info,
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struct plugin_gcc_version *version)
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{
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register_callback ("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL);
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register_callback ("finish_unit", PLUGIN_FINISH_UNIT, &finish_unit_callback, NULL);
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return 0;
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}
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