src/system/kernel/arch/ppc/asm_offsets.cpp

   1 /*
   2  * Copyright 2007-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Copyright 2010 Andreas Faerber, andreas.faerber@web.de
   4  * Distributed under the terms of the MIT License.
   5  */
   6
   7 // This file is used to get C structure offsets into assembly code.
   8 // The build system assembles the file and processes the output to create
   9 // a header file with macro definitions, that can be included from assembly
  10 // code.
  11
  12
  13 #include <computed_asm_macros.h>
  14
  15 #include <cpu.h>
  16
  17
  18 #define DEFINE_MACRO(macro, value) DEFINE_COMPUTED_ASM_MACRO(macro, value)
  19
  20 #define DEFINE_OFFSET_MACRO(prefix, structure, member) \
  21     DEFINE_MACRO(prefix##_##member, offsetof(struct structure, member));
  22
  23 #define DEFINE_SIZEOF_MACRO(prefix, structure) \
  24     DEFINE_MACRO(prefix##_sizeof, sizeof(struct structure));
  25
  26
  27 void
  28 dummy()
  29 {
  30         // struct cpu_ent
  31         DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler);
  32         DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler_stack_pointer);
  33 }