gcc/libcc1/libcc1plugin.cc

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/* Library interface to C front end
Copyright (C) 2014-2024 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include <cc1plugin-config.h>
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#include "../gcc/config.h"
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#define INCLUDE_MEMORY
#define INCLUDE_VECTOR
#include "gcc-plugin.h"
#include "system.h"
#include "coretypes.h"
#include "stringpool.h"
#include "gcc-interface.h"
#include "hash-set.h"
#include "machmode.h"
#include "vec.h"
#include "double-int.h"
#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "options.h"
#include "wide-int.h"
#include "inchash.h"
#include "tree.h"
#include "fold-const.h"
#include "stor-layout.h"
#include "c-tree.h"
#include "toplev.h"
#include "timevar.h"
#include "hash-table.h"
#include "tm.h"
#include "c-family/c-pragma.h"
#include "c-lang.h"
#include "diagnostic.h"
#include "langhooks.h"
#include "langhooks-def.h"
#include "callbacks.hh"
#include "connection.hh"
#include "marshall.hh"
#include "rpc.hh"
#include "gcc-c-interface.h"
#include "context.hh"
using namespace cc1_plugin;
// A wrapper for pushdecl that doesn't let gdb have a chance to
// instantiate a symbol.
static void
pushdecl_safe (tree decl)
{
void (*save) (enum c_oracle_request, tree identifier);
save = c_binding_oracle;
c_binding_oracle = NULL;
pushdecl (decl);
c_binding_oracle = save;
}
static void
plugin_binding_oracle (enum c_oracle_request kind, tree identifier)
{
enum gcc_c_oracle_request request;
gcc_assert (current_context != NULL);
switch (kind)
{
case C_ORACLE_SYMBOL:
request = GCC_C_ORACLE_SYMBOL;
break;
case C_ORACLE_TAG:
request = GCC_C_ORACLE_TAG;
break;
case C_ORACLE_LABEL:
request = GCC_C_ORACLE_LABEL;
break;
default:
abort ();
}
int ignore;
cc1_plugin::call (current_context, "binding_oracle", &ignore,
request, IDENTIFIER_POINTER (identifier));
}
static void
plugin_pragma_user_expression (cpp_reader *)
{
c_binding_oracle = plugin_binding_oracle;
}
static void
plugin_init_extra_pragmas (void *, void *)
{
c_register_pragma ("GCC", "user_expression", plugin_pragma_user_expression);
}
// Maybe rewrite a decl to its address.
static tree
address_rewriter (tree *in, int *walk_subtrees, void *arg)
{
plugin_context *ctx = (plugin_context *) arg;
if (!DECL_P (*in) || DECL_NAME (*in) == NULL_TREE)
return NULL_TREE;
decl_addr_value value;
value.decl = *in;
decl_addr_value *found_value = ctx->address_map.find (&value);
if (found_value != NULL)
;
else if (DECL_IS_UNDECLARED_BUILTIN (*in))
{
gcc_address address;
if (!cc1_plugin::call (ctx, "address_oracle", &address,
IDENTIFIER_POINTER (DECL_NAME (*in))))
return NULL_TREE;
if (address == 0)
return NULL_TREE;
// Insert the decl into the address map in case it is referenced
// again.
value.address = build_int_cst_type (ptr_type_node, address);
decl_addr_value **slot = ctx->address_map.find_slot (&value, INSERT);
gcc_assert (*slot == NULL);
*slot
= static_cast<decl_addr_value *> (xmalloc (sizeof (decl_addr_value)));
**slot = value;
found_value = *slot;
}
else
return NULL_TREE;
if (found_value->address != error_mark_node)
{
// We have an address for the decl, so rewrite the tree.
tree ptr_type = build_pointer_type (TREE_TYPE (*in));
*in = fold_build1 (INDIRECT_REF, TREE_TYPE (*in),
fold_build1 (CONVERT_EXPR, ptr_type,
found_value->address));
}
*walk_subtrees = 0;
return NULL_TREE;
}
// When generating code for gdb, we want to be able to use absolute
// addresses to refer to otherwise external objects that gdb knows
// about. gdb passes in these addresses when building decls, and then
// before gimplification we go through the trees, rewriting uses to
// the equivalent of "*(TYPE *) ADDR".
static void
rewrite_decls_to_addresses (void *function_in, void *)
{
tree function = (tree) function_in;
// Do nothing if we're not in gdb.
if (current_context == NULL)
return;
walk_tree (&DECL_SAVED_TREE (function), address_rewriter, current_context,
NULL);
}
gcc_decl
plugin_build_decl (cc1_plugin::connection *self,
const char *name,
enum gcc_c_symbol_kind sym_kind,
gcc_type sym_type_in,
const char *substitution_name,
gcc_address address,
const char *filename,
unsigned int line_number)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
tree identifier = get_identifier (name);
enum tree_code code;
tree decl;
tree sym_type = convert_in (sym_type_in);
switch (sym_kind)
{
case GCC_C_SYMBOL_FUNCTION:
code = FUNCTION_DECL;
break;
case GCC_C_SYMBOL_VARIABLE:
code = VAR_DECL;
break;
case GCC_C_SYMBOL_TYPEDEF:
code = TYPE_DECL;
break;
case GCC_C_SYMBOL_LABEL:
// FIXME: we aren't ready to handle labels yet.
// It isn't clear how to translate them properly
// and in any case a "goto" isn't likely to work.
return convert_out (error_mark_node);
default:
abort ();
}
location_t loc = ctx->get_location_t (filename, line_number);
decl = build_decl (loc, code, identifier, sym_type);
TREE_USED (decl) = 1;
TREE_ADDRESSABLE (decl) = 1;
if (sym_kind != GCC_C_SYMBOL_TYPEDEF)
{
decl_addr_value value;
DECL_EXTERNAL (decl) = 1;
value.decl = decl;
if (substitution_name != NULL)
{
// If the translator gave us a name without a binding,
// we can just substitute error_mark_node, since we know the
// translator will be reporting an error anyhow.
value.address
= lookup_name (get_identifier (substitution_name));
if (value.address == NULL_TREE)
value.address = error_mark_node;
}
else
value.address = build_int_cst_type (ptr_type_node, address);
decl_addr_value **slot = ctx->address_map.find_slot (&value, INSERT);
gcc_assert (*slot == NULL);
*slot
= static_cast<decl_addr_value *> (xmalloc (sizeof (decl_addr_value)));
**slot = value;
}
return convert_out (ctx->preserve (decl));
}
int
plugin_bind (cc1_plugin::connection *,
gcc_decl decl_in, int is_global)
{
tree decl = convert_in (decl_in);
c_bind (DECL_SOURCE_LOCATION (decl), decl, is_global);
rest_of_decl_compilation (decl, is_global, 0);
return 1;
}
int
plugin_tagbind (cc1_plugin::connection *self,
const char *name, gcc_type tagged_type,
const char *filename, unsigned int line_number)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
tree t = convert_in (tagged_type), x;
c_pushtag (ctx->get_location_t (filename, line_number),
get_identifier (name), t);
/* Propagate the newly-added type name so that previously-created
variant types are not disconnected from their main variants. */
for (x = TYPE_MAIN_VARIANT (t); x; x = TYPE_NEXT_VARIANT (x))
TYPE_NAME (x) = TYPE_NAME (t);
return 1;
}
gcc_type
plugin_build_pointer_type (cc1_plugin::connection *,
gcc_type base_type)
{
// No need to preserve a pointer type as the base type is preserved.
return convert_out (build_pointer_type (convert_in (base_type)));
}
// TYPE_NAME needs to be a valid pointer, even if there is no name available.
static tree
build_anonymous_node (enum tree_code code)
{
tree node = make_node (code);
tree type_decl = build_decl (input_location, TYPE_DECL, NULL_TREE, node);
TYPE_NAME (node) = type_decl;
TYPE_STUB_DECL (node) = type_decl;
return node;
}
gcc_type
plugin_build_record_type (cc1_plugin::connection *self)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (build_anonymous_node (RECORD_TYPE)));
}
gcc_type
plugin_build_union_type (cc1_plugin::connection *self)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (build_anonymous_node (UNION_TYPE)));
}
int
plugin_build_add_field (cc1_plugin::connection *,
gcc_type record_or_union_type_in,
const char *field_name,
gcc_type field_type_in,
unsigned long bitsize,
unsigned long bitpos)
{
tree record_or_union_type = convert_in (record_or_union_type_in);
tree field_type = convert_in (field_type_in);
gcc_assert (TREE_CODE (record_or_union_type) == RECORD_TYPE
|| TREE_CODE (record_or_union_type) == UNION_TYPE);
/* Note that gdb does not preserve the location of field decls, so
we can't provide a decent location here. */
tree decl = build_decl (BUILTINS_LOCATION, FIELD_DECL,
get_identifier (field_name), field_type);
DECL_FIELD_CONTEXT (decl) = record_or_union_type;
if (TREE_CODE (field_type) == INTEGER_TYPE
&& TYPE_PRECISION (field_type) != bitsize)
{
DECL_BIT_FIELD_TYPE (decl) = field_type;
TREE_TYPE (decl)
= c_build_bitfield_integer_type (bitsize, TYPE_UNSIGNED (field_type));
}
SET_DECL_MODE (decl, TYPE_MODE (TREE_TYPE (decl)));
// There's no way to recover this from DWARF.
SET_DECL_OFFSET_ALIGN (decl, TYPE_PRECISION (pointer_sized_int_node));
tree pos = bitsize_int (bitpos);
pos_from_bit (&DECL_FIELD_OFFSET (decl), &DECL_FIELD_BIT_OFFSET (decl),
DECL_OFFSET_ALIGN (decl), pos);
DECL_SIZE (decl) = bitsize_int (bitsize);
DECL_SIZE_UNIT (decl) = size_int ((bitsize + BITS_PER_UNIT - 1)
/ BITS_PER_UNIT);
DECL_CHAIN (decl) = TYPE_FIELDS (record_or_union_type);
TYPE_FIELDS (record_or_union_type) = decl;
return 1;
}
int
plugin_finish_record_with_alignment (cc1_plugin::connection *,
gcc_type record_or_union_type_in,
unsigned long size_in_bytes,
unsigned long align)
{
tree record_or_union_type = convert_in (record_or_union_type_in);
gcc_assert (TREE_CODE (record_or_union_type) == RECORD_TYPE
|| TREE_CODE (record_or_union_type) == UNION_TYPE);
/* We built the field list in reverse order, so fix it now. */
TYPE_FIELDS (record_or_union_type)
= nreverse (TYPE_FIELDS (record_or_union_type));
if (TREE_CODE (record_or_union_type) == UNION_TYPE)
{
/* Unions can just be handled by the generic code. */
layout_type (record_or_union_type);
}
else
{
if (align == 0)
align = TYPE_PRECISION (pointer_sized_int_node);
SET_TYPE_ALIGN (record_or_union_type, align);
TYPE_SIZE (record_or_union_type) = bitsize_int (size_in_bytes
* BITS_PER_UNIT);
TYPE_SIZE_UNIT (record_or_union_type) = size_int (size_in_bytes);
compute_record_mode (record_or_union_type);
finish_bitfield_layout (record_or_union_type);
// FIXME we have no idea about TYPE_PACKED
}
tree t = record_or_union_type, x;
for (x = TYPE_MAIN_VARIANT (t); x; x = TYPE_NEXT_VARIANT (x))
{
/* Like finish_struct, update the qualified variant types. */
TYPE_FIELDS (x) = TYPE_FIELDS (t);
TYPE_LANG_SPECIFIC (x) = TYPE_LANG_SPECIFIC (t);
C_TYPE_FIELDS_READONLY (x) = C_TYPE_FIELDS_READONLY (t);
C_TYPE_FIELDS_VOLATILE (x) = C_TYPE_FIELDS_VOLATILE (t);
C_TYPE_VARIABLE_SIZE (x) = C_TYPE_VARIABLE_SIZE (t);
/* We copy these fields too. */
SET_TYPE_ALIGN (x, TYPE_ALIGN (t));
TYPE_SIZE (x) = TYPE_SIZE (t);
TYPE_SIZE_UNIT (x) = TYPE_SIZE_UNIT (t);
if (x != record_or_union_type)
compute_record_mode (x);
}
return 1;
}
int
plugin_finish_record_or_union (cc1_plugin::connection *conn,
gcc_type record_or_union_type_in,
unsigned long size_in_bytes)
{
return plugin_finish_record_with_alignment (conn, record_or_union_type_in,
size_in_bytes, 0);
}
gcc_type
plugin_build_enum_type (cc1_plugin::connection *self,
gcc_type underlying_int_type_in)
{
tree underlying_int_type = convert_in (underlying_int_type_in);
if (underlying_int_type == error_mark_node)
return convert_out (error_mark_node);
tree result = build_anonymous_node (ENUMERAL_TYPE);
TYPE_PRECISION (result) = TYPE_PRECISION (underlying_int_type);
TYPE_UNSIGNED (result) = TYPE_UNSIGNED (underlying_int_type);
ENUM_UNDERLYING_TYPE (result) = underlying_int_type;
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (result));
}
int
plugin_build_add_enum_constant (cc1_plugin::connection *,
gcc_type enum_type_in,
const char *name,
unsigned long value)
{
tree cst, decl, cons;
tree enum_type = convert_in (enum_type_in);
gcc_assert (TREE_CODE (enum_type) == ENUMERAL_TYPE);
cst = build_int_cst (enum_type, value);
/* Note that gdb does not preserve the location of enum constants,
so we can't provide a decent location here. */
decl = build_decl (BUILTINS_LOCATION, CONST_DECL,
get_identifier (name), enum_type);
DECL_INITIAL (decl) = cst;
pushdecl_safe (decl);
cons = tree_cons (DECL_NAME (decl), cst, TYPE_VALUES (enum_type));
TYPE_VALUES (enum_type) = cons;
return 1;
}
int
plugin_finish_enum_type (cc1_plugin::connection *,
gcc_type enum_type_in)
{
tree enum_type = convert_in (enum_type_in);
tree minnode, maxnode, iter;
iter = TYPE_VALUES (enum_type);
minnode = maxnode = TREE_VALUE (iter);
for (iter = TREE_CHAIN (iter);
iter != NULL_TREE;
iter = TREE_CHAIN (iter))
{
tree value = TREE_VALUE (iter);
if (tree_int_cst_lt (maxnode, value))
maxnode = value;
if (tree_int_cst_lt (value, minnode))
minnode = value;
}
TYPE_MIN_VALUE (enum_type) = minnode;
TYPE_MAX_VALUE (enum_type) = maxnode;
layout_type (enum_type);
return 1;
}
gcc_type
plugin_build_function_type (cc1_plugin::connection *self,
gcc_type return_type_in,
const struct gcc_type_array *argument_types_in,
int is_varargs)
{
tree return_type = convert_in (return_type_in);
tree result;
std::vector<tree> argument_types (argument_types_in->n_elements);
for (int i = 0; i < argument_types_in->n_elements; ++i)
argument_types[i] = convert_in (argument_types_in->elements[i]);
if (is_varargs)
result = build_varargs_function_type_array (return_type,
argument_types_in->n_elements,
argument_types.data ());
else
result = build_function_type_array (return_type,
argument_types_in->n_elements,
argument_types.data ());
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (result));
}
/* Return a builtin type associated with BUILTIN_NAME. */
static tree
safe_lookup_builtin_type (const char *builtin_name)
{
tree result = NULL_TREE;
if (!builtin_name)
return result;
result = identifier_global_value (get_identifier (builtin_name));
if (!result)
return result;
gcc_assert (TREE_CODE (result) == TYPE_DECL);
result = TREE_TYPE (result);
return TREE_CODE (result) == ERROR_MARK ? nullptr : result;
}
static gcc_type
plugin_int_check (cc1_plugin::connection *self,
int is_unsigned, unsigned long size_in_bytes,
tree result)
{
if (result == NULL_TREE)
result = error_mark_node;
else
{
gcc_assert (!TYPE_UNSIGNED (result) == !is_unsigned);
gcc_assert (TREE_CODE (TYPE_SIZE (result)) == INTEGER_CST);
gcc_assert (TYPE_PRECISION (result) == BITS_PER_UNIT * size_in_bytes);
plugin_context *ctx = static_cast<plugin_context *> (self);
ctx->preserve (result);
}
return convert_out (result);
}
gcc_type
plugin_int_type_v0 (cc1_plugin::connection *self,
int is_unsigned, unsigned long size_in_bytes)
{
tree result = c_common_type_for_size (BITS_PER_UNIT * size_in_bytes,
is_unsigned);
return plugin_int_check (self, is_unsigned, size_in_bytes, result);
}
gcc_type
plugin_int_type (cc1_plugin::connection *self,
int is_unsigned, unsigned long size_in_bytes,
const char *builtin_name)
{
if (builtin_name != nullptr)
{
tree result = safe_lookup_builtin_type (builtin_name);
gcc_assert (!result || TREE_CODE (result) == INTEGER_TYPE);
if (result != nullptr)
return plugin_int_check (self, is_unsigned, size_in_bytes, result);
}
return plugin_int_type_v0 (self, is_unsigned, size_in_bytes);
}
gcc_type
plugin_char_type (cc1_plugin::connection *)
{
return convert_out (char_type_node);
}
gcc_type
plugin_float_type_v0 (cc1_plugin::connection *,
unsigned long size_in_bytes)
{
if (BITS_PER_UNIT * size_in_bytes == TYPE_PRECISION (float_type_node))
return convert_out (float_type_node);
if (BITS_PER_UNIT * size_in_bytes == TYPE_PRECISION (double_type_node))
return convert_out (double_type_node);
if (BITS_PER_UNIT * size_in_bytes == TYPE_PRECISION (long_double_type_node))
return convert_out (long_double_type_node);
return convert_out (error_mark_node);
}
gcc_type
plugin_float_type (cc1_plugin::connection *self,
unsigned long size_in_bytes,
const char *builtin_name)
{
if (!builtin_name)
return plugin_float_type_v0 (self, size_in_bytes);
tree result = safe_lookup_builtin_type (builtin_name);
if (!result)
return plugin_float_type_v0 (self, size_in_bytes);
gcc_assert (SCALAR_FLOAT_TYPE_P (result));
gcc_assert (BITS_PER_UNIT * size_in_bytes == TYPE_PRECISION (result));
return convert_out (result);
}
gcc_type
plugin_void_type (cc1_plugin::connection *)
{
return convert_out (void_type_node);
}
gcc_type
plugin_bool_type (cc1_plugin::connection *)
{
return convert_out (boolean_type_node);
}
gcc_type
plugin_build_array_type (cc1_plugin::connection *self,
gcc_type element_type_in, int num_elements)
{
tree element_type = convert_in (element_type_in);
tree result;
if (num_elements == -1)
result = build_array_type (element_type, NULL_TREE);
else
result = build_array_type_nelts (element_type, num_elements);
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (result));
}
gcc_type
plugin_build_vla_array_type (cc1_plugin::connection *self,
gcc_type element_type_in,
const char *upper_bound_name)
{
tree element_type = convert_in (element_type_in);
tree upper_bound = lookup_name (get_identifier (upper_bound_name));
tree range = build_index_type (upper_bound);
tree result = build_array_type (element_type, range);
C_TYPE_VARIABLE_SIZE (result) = 1;
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (result));
}
gcc_type
plugin_build_qualified_type (cc1_plugin::connection *,
gcc_type unqualified_type_in,
enum gcc_qualifiers qualifiers)
{
tree unqualified_type = convert_in (unqualified_type_in);
int quals = 0;
if ((qualifiers & GCC_QUALIFIER_CONST) != 0)
quals |= TYPE_QUAL_CONST;
if ((qualifiers & GCC_QUALIFIER_VOLATILE) != 0)
quals |= TYPE_QUAL_VOLATILE;
if ((qualifiers & GCC_QUALIFIER_RESTRICT) != 0)
quals |= TYPE_QUAL_RESTRICT;
return convert_out (build_qualified_type (unqualified_type, quals));
}
gcc_type
plugin_build_complex_type (cc1_plugin::connection *self,
gcc_type base_type)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (build_complex_type (convert_in (base_type))));
}
gcc_type
plugin_build_vector_type (cc1_plugin::connection *self,
gcc_type base_type, int nunits)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
return convert_out (ctx->preserve (build_vector_type (convert_in (base_type),
nunits)));
}
int
plugin_build_constant (cc1_plugin::connection *self, gcc_type type_in,
const char *name, unsigned long value,
const char *filename, unsigned int line_number)
{
plugin_context *ctx = static_cast<plugin_context *> (self);
tree cst, decl;
tree type = convert_in (type_in);
cst = build_int_cst (type, value);
decl = build_decl (ctx->get_location_t (filename, line_number),
CONST_DECL, get_identifier (name), type);
DECL_INITIAL (decl) = cst;
pushdecl_safe (decl);
return 1;
}
gcc_type
plugin_error (cc1_plugin::connection *,
const char *message)
{
error ("%s", message);
return convert_out (error_mark_node);
}
#ifdef __GNUC__
#pragma GCC visibility push(default)
#endif
int
plugin_init (struct plugin_name_args *plugin_info,
struct plugin_gcc_version *)
{
generic_plugin_init (plugin_info, GCC_C_FE_VERSION_2);
register_callback (plugin_info->base_name, PLUGIN_PRAGMAS,
plugin_init_extra_pragmas, NULL);
register_callback (plugin_info->base_name, PLUGIN_PRE_GENERICIZE,
rewrite_decls_to_addresses, NULL);
#define GCC_METHOD0(R, N) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD1(R, N, A) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD2(R, N, A, B) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A, B>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD3(R, N, A, B, C) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A, B, C>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD4(R, N, A, B, C, D) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A, B, C, \
D>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD5(R, N, A, B, C, D, E) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A, B, C, D, \
E>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#define GCC_METHOD7(R, N, A, B, C, D, E, F, G) \
{ \
cc1_plugin::callback_ftype *fun \
= cc1_plugin::invoker<R, A, B, C, D, \
E, F, G>::invoke<plugin_ ## N>; \
current_context->add_callback (# N, fun); \
}
#include "gcc-c-fe.def"
#undef GCC_METHOD0
#undef GCC_METHOD1
#undef GCC_METHOD2
#undef GCC_METHOD3
#undef GCC_METHOD4
#undef GCC_METHOD5
#undef GCC_METHOD7
return 0;
}