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21e3835a3c
A small update: *) Add the patches that I forgot on the first patch. *) Just patch binutils to have a deterministic ar. *) Bootstrap and install the linker too.
180 lines
5.8 KiB
Diff
180 lines
5.8 KiB
Diff
Index: gcc/doc/plugins.texi
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===================================================================
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--- gcc/doc/plugins.texi (revision 162126)
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+++ gcc/doc/plugins.texi (working copy)
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@@ -144,6 +144,7 @@
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@{
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PLUGIN_PASS_MANAGER_SETUP, /* To hook into pass manager. */
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PLUGIN_FINISH_TYPE, /* After finishing parsing a type. */
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+ PLUGIN_FINISH_DECL, /* After finishing parsing a declaration. */
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PLUGIN_FINISH_UNIT, /* Useful for summary processing. */
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PLUGIN_PRE_GENERICIZE, /* Allows to see low level AST in C and C++ frontends. */
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PLUGIN_FINISH, /* Called before GCC exits. */
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Index: gcc/plugin.def
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===================================================================
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--- gcc/plugin.def (revision 162126)
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+++ gcc/plugin.def (working copy)
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@@ -24,6 +24,9 @@
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/* After finishing parsing a type. */
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DEFEVENT (PLUGIN_FINISH_TYPE)
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+/* After finishing parsing a declaration. */
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+DEFEVENT (PLUGIN_FINISH_DECL)
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+
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/* Useful for summary processing. */
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DEFEVENT (PLUGIN_FINISH_UNIT)
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Index: gcc/testsuite/g++.dg/plugin/plugin.exp
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===================================================================
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--- gcc/testsuite/g++.dg/plugin/plugin.exp (revision 162126)
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+++ gcc/testsuite/g++.dg/plugin/plugin.exp (working copy)
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@@ -51,7 +51,8 @@
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{ pragma_plugin.c pragma_plugin-test-1.C } \
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{ selfassign.c self-assign-test-1.C self-assign-test-2.C self-assign-test-3.C } \
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{ dumb_plugin.c dumb-plugin-test-1.C } \
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- { header_plugin.c header-plugin-test.C } ]
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+ { header_plugin.c header-plugin-test.C } \
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+ { decl_plugin.c decl-plugin-test.C } ]
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foreach plugin_test $plugin_test_list {
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# Replace each source file with its full-path name
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Index: gcc/testsuite/g++.dg/plugin/decl-plugin-test.C
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===================================================================
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--- gcc/testsuite/g++.dg/plugin/decl-plugin-test.C (revision 0)
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+++ gcc/testsuite/g++.dg/plugin/decl-plugin-test.C (revision 0)
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@@ -0,0 +1,32 @@
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+
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+
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+extern int global; // { dg-warning "Decl Global global" }
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+int global_array[] = { 1, 2, 3 }; // { dg-warning "Decl Global global_array" }
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+
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+int takes_args(int arg1, int arg2)
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+{
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+ int local = arg1 + arg2 + global; // { dg-warning "Decl Local local" }
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+ return local + 1;
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+}
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+
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+int global = 12; // { dg-warning "Decl Global global" }
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+
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+struct test_str {
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+ int field; // { dg-warning "Decl Field field" }
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+};
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+
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+class test_class {
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+ int class_field1; // { dg-warning "Decl Field class_field1" }
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+ int class_field2; // { dg-warning "Decl Field class_field2" }
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+
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+ test_class() // { dg-warning "Decl Function test_class" }
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+ : class_field1(0), class_field2(0)
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+ {}
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+
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+ void swap_fields(int bias) // { dg-warning "Decl Function swap_fields" }
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+ {
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+ int temp = class_field1 + bias; // { dg-warning "Decl Local temp" }
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+ class_field1 = class_field2 - bias;
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+ class_field2 = temp;
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+ }
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+};
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Index: gcc/testsuite/g++.dg/plugin/decl_plugin.c
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===================================================================
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--- gcc/testsuite/g++.dg/plugin/decl_plugin.c (revision 0)
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+++ gcc/testsuite/g++.dg/plugin/decl_plugin.c (revision 0)
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@@ -0,0 +1,51 @@
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+/* A plugin example that shows which declarations are caught by FINISH_DECL */
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+
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+#include "gcc-plugin.h"
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+#include <stdlib.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 "tree.h"
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+#include "tree-pass.h"
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+#include "intl.h"
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+
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+int plugin_is_GPL_compatible;
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+
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+/* Callback function to invoke after GCC finishes a declaration. */
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+
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+void plugin_finish_decl (void *event_data, void *data)
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+{
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+ tree decl = (tree) event_data;
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+
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+ const char *kind = NULL;
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+ switch (TREE_CODE(decl)) {
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+ case FUNCTION_DECL:
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+ kind = "Function"; break;
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+ case PARM_DECL:
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+ kind = "Parameter"; break;
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+ case VAR_DECL:
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+ if (DECL_CONTEXT(decl) != NULL)
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+ kind = "Local";
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+ else
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+ kind = "Global";
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+ break;
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+ case FIELD_DECL:
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+ kind = "Field"; break;
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+ default:
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+ kind = "Unknown";
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+ }
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+
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+ warning (0, G_("Decl %s %s"),
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+ kind, IDENTIFIER_POINTER (DECL_NAME (decl)));
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+}
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+
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+int
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+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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+ const char *plugin_name = plugin_info->base_name;
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+
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+ register_callback (plugin_name, PLUGIN_FINISH_DECL,
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+ plugin_finish_decl, NULL);
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+ return 0;
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+}
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Index: gcc/cp/decl.c
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===================================================================
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--- gcc/cp/decl.c (revision 162126)
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+++ gcc/cp/decl.c (working copy)
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@@ -5967,6 +5967,8 @@
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/* If this was marked 'used', be sure it will be output. */
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if (lookup_attribute ("used", DECL_ATTRIBUTES (decl)))
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mark_decl_referenced (decl);
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+
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+ invoke_plugin_callbacks (PLUGIN_FINISH_DECL, decl);
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}
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/* Returns a declaration for a VAR_DECL as if:
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Index: gcc/c-decl.c
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===================================================================
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--- gcc/c-decl.c (revision 162126)
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+++ gcc/c-decl.c (working copy)
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@@ -4392,6 +4392,8 @@
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&& DECL_INITIAL (decl) == NULL_TREE)
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warning_at (DECL_SOURCE_LOCATION (decl), OPT_Wc___compat,
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"uninitialized const %qD is invalid in C++", decl);
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+
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+ invoke_plugin_callbacks (PLUGIN_FINISH_DECL, decl);
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}
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/* Given a parsed parameter declaration, decode it into a PARM_DECL. */
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Index: gcc/plugin.c
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===================================================================
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--- gcc/plugin.c (revision 162126)
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+++ gcc/plugin.c (working copy)
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@@ -400,6 +400,7 @@
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}
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/* Fall through. */
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case PLUGIN_FINISH_TYPE:
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+ case PLUGIN_FINISH_DECL:
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case PLUGIN_START_UNIT:
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case PLUGIN_FINISH_UNIT:
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case PLUGIN_PRE_GENERICIZE:
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@@ -481,6 +482,7 @@
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gcc_assert (event < event_last);
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/* Fall through. */
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case PLUGIN_FINISH_TYPE:
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+ case PLUGIN_FINISH_DECL:
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case PLUGIN_START_UNIT:
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case PLUGIN_FINISH_UNIT:
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case PLUGIN_PRE_GENERICIZE:
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