--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/gcc-interface.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,194 @@
+/* Generic interface between GCC and GDB
+
+   Copyright (C) 2014-2017 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_INTERFACE_H
+#define GCC_INTERFACE_H
+
+/* This header defines the interface to the GCC API.  It must be both
+   valid C and valid C++, because it is included by both programs.  */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Opaque typedefs for objects passed through the interface.  */
+
+typedef unsigned long long gcc_type;
+typedef unsigned long long gcc_decl;
+
+/* An address in the inferior.  */
+
+typedef unsigned long long gcc_address;
+
+/* Forward declaration.  */
+
+struct gcc_base_context;
+
+/* Defined versions of the generic API.  */
+
+enum gcc_base_api_version
+{
+  GCC_FE_VERSION_0 = 0,
+
+  /* Deprecated methods set_arguments_v0 and compile_v0.  Added methods
+     set_arguments, set_triplet_regexp, set_driver_filename, set_verbose and
+     compile.  */
+  GCC_FE_VERSION_1 = 1,
+};
+
+/* The operations defined by the GCC base API.  This is the vtable for
+   the real context structure which is passed around.
+
+   The "base" API is concerned with basics shared by all compiler
+   front ends: setting command-line arguments, the file names, etc.
+
+   Front-end-specific interfaces inherit from this one.  */
+
+struct gcc_base_vtable
+{
+  /* The actual version implemented in this interface.  This field can
+     be relied on not to move, so users can always check it if they
+     desire.  The value is one of the gcc_base_api_version constants.
+  */
+
+  unsigned int version;
+
+  /* Deprecated GCC_FE_VERSION_0 variant of the GCC_FE_VERSION_1
+     methods set_triplet_regexp and set_arguments.  */
+
+  char *(*set_arguments_v0) (struct gcc_base_context *self,
+			     const char *triplet_regexp,
+			     int argc, char **argv);
+
+  /* Set the file name of the program to compile.  The string is
+     copied by the method implementation, but the caller must
+     guarantee that the file exists through the compilation.  */
+
+  void (*set_source_file) (struct gcc_base_context *self, const char *file);
+
+  /* Set a callback to use for printing error messages.  DATUM is
+     passed through to the callback unchanged.  */
+
+  void (*set_print_callback) (struct gcc_base_context *self,
+			      void (*print_function) (void *datum,
+						      const char *message),
+			      void *datum);
+
+  /* Deprecated GCC_FE_VERSION_0 variant of the GCC_FE_VERSION_1
+     compile method.  GCC_FE_VERSION_0 version verbose parameter has
+     been replaced by the set_verbose method.  */
+
+  int /* bool */ (*compile_v0) (struct gcc_base_context *self,
+				const char *filename,
+				int /* bool */ verbose);
+
+  /* Destroy this object.  */
+
+  void (*destroy) (struct gcc_base_context *self);
+
+  /* VERBOSE can be set to non-zero to cause GCC to print some
+     information as it works.  Calling this method overrides its
+     possible previous calls.
+
+     This method is only available since GCC_FE_VERSION_1.  */
+
+  void (*set_verbose) (struct gcc_base_context *self,
+		       int /* bool */ verbose);
+
+  /* Perform the compilation.  FILENAME is the name of the resulting
+     object file.  Either set_triplet_regexp or set_driver_filename must
+     be called before.  Returns true on success, false on error.
+
+     This method is only available since GCC_FE_VERSION_1.  */
+
+  int /* bool */ (*compile) (struct gcc_base_context *self,
+			     const char *filename);
+
+  /* Set the compiler's command-line options for the next compilation.
+     The arguments are copied by GCC.  ARGV need not be
+     NULL-terminated.  The arguments must be set separately for each
+     compilation; that is, after a compile is requested, the
+     previously-set arguments cannot be reused.
+
+     This returns NULL on success.  On failure, returns a malloc()d
+     error message.  The caller is responsible for freeing it.
+
+     This method is only available since GCC_FE_VERSION_1.  */
+
+  char *(*set_arguments) (struct gcc_base_context *self,
+			  int argc, char **argv);
+
+  /* Set TRIPLET_REGEXP as a regular expression that is used to match
+     the configury triplet prefix to the compiler.  Calling this method
+     overrides possible previous call of itself or set_driver_filename.
+
+     This returns NULL on success.  On failure, returns a malloc()d
+     error message.  The caller is responsible for freeing it.
+
+     This method is only available since GCC_FE_VERSION_1.  */
+
+  char *(*set_triplet_regexp) (struct gcc_base_context *self,
+			       const char *triplet_regexp);
+
+  /* DRIVER_FILENAME should be filename of the gcc compiler driver
+     program.  It will be searched in PATH components like
+     TRIPLET_REGEXP.  Calling this method overrides possible previous
+     call of itself or set_triplet_regexp.
+
+     This returns NULL on success.  On failure, returns a malloc()d
+     error message.  The caller is responsible for freeing it.
+
+     This method is only available since GCC_FE_VERSION_1.  */
+
+  char *(*set_driver_filename) (struct gcc_base_context *self,
+				const char *driver_filename);
+};
+
+/* The GCC object.  */
+
+struct gcc_base_context
+{
+  /* The virtual table.  */
+
+  const struct gcc_base_vtable *ops;
+};
+
+/* An array of types used for creating function types in multiple
+   languages.  */
+
+struct gcc_type_array
+{
+  /* Number of elements.  */
+
+  int n_elements;
+
+  /* The elements.  */
+
+  gcc_type *elements;
+};
+
+/* The name of the dummy wrapper function generated by gdb.  */
+
+#define GCC_FE_WRAPPER_FUNCTION "_gdb_expr"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GCC_INTERFACE_H */