gnu1987/emacs18.41/gdb/initialize.h

/* Macros to enable automatic execution of an initialization function
   in each object file without having to include a list of all object files
   anywhere in the source code.  This goes with firstfile.c and lastfile.c.

   Copyright (C) 1986 Free Software Foundation, Inc.

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/* Here a machine-specific header file must be included to define
   the macro FILEADDR_ROUND which we use to round up from the address
   of the end of one object file's text to the start of the next
   object file's text.  */

#include "m-vaxinit.h"

/* This is used to make a file's initialization function.
   It calls another function named `initialize', which must
   appear later in the file.  */

#define START_FILE   \
  static initialize (), initialize_next_file ();   \
  static initialize_1 (offset)  \
  { initialize (); initialize_next_file (offset); }

/* The argument OFFSET is the size of this function.
   By adding it to the address of this function,
   we find the next function, which is the next file's
   initialization function.  */

#define END_FILE    \
  static initialize_next_file (offset)   \
     int offset;   \
  { long addr = FILEADDR_ROUND ((int) initialize_next_file + offset);   \
    (*(void (*) ()) addr) (offset);  }