src/system/kernel/arch/m68k/asm_offsets.cpp

   1 /*
   2  * Copyright 2007-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 // This file is used to get C structure offsets into assembly code.
   7 // The build system assembles the file and processes the output to create
   8 // a header file with macro definitions, that can be included from assembly
   9 // code.
  10
  11
  12 #include <computed_asm_macros.h>
  13
  14 #include <arch_cpu.h>
  15 #include <ksyscalls.h>
  16 #include <thread_types.h>
  17
  18
  19 #define DEFINE_MACRO(macro, value) DEFINE_COMPUTED_ASM_MACRO(macro, value)
  20
  21 #define DEFINE_OFFSET_MACRO(prefix, structure, member) \
  22     DEFINE_MACRO(prefix##_##member, offsetof(struct structure, member));
  23
  24 #define DEFINE_SIZEOF_MACRO(prefix, structure) \
  25     DEFINE_MACRO(prefix##_sizeof, sizeof(struct structure));
  26
  27
  28 void
  29 dummy()
  30 {
  31         // struct Thread
  32         DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_time);
  33         DEFINE_OFFSET_MACRO(THREAD, Thread, user_time);
  34         DEFINE_OFFSET_MACRO(THREAD, Thread, last_time);
  35         DEFINE_OFFSET_MACRO(THREAD, Thread, in_kernel);
  36         DEFINE_OFFSET_MACRO(THREAD, Thread, flags);
  37         DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_stack_top);
  38         DEFINE_OFFSET_MACRO(THREAD, Thread, fault_handler);
  39
  40         // struct iframe
  41         DEFINE_OFFSET_MACRO(IFRAME, iframe, fp);
  42         DEFINE_OFFSET_MACRO(IFRAME, iframe, fpc);
  43         DEFINE_OFFSET_MACRO(IFRAME, iframe, fpu);
  44         DEFINE_OFFSET_MACRO(IFRAME, iframe, d);
  45         DEFINE_OFFSET_MACRO(IFRAME, iframe, a);
  46         DEFINE_OFFSET_MACRO(IFRAME, iframe, cpu);
  47 #if 0
  48         // struct iframe
  49         DEFINE_OFFSET_MACRO(IFRAME, iframe, cs);
  50         DEFINE_OFFSET_MACRO(IFRAME, iframe, eax);
  51         DEFINE_OFFSET_MACRO(IFRAME, iframe, edx);
  52         DEFINE_OFFSET_MACRO(IFRAME, iframe, orig_eax);
  53         DEFINE_OFFSET_MACRO(IFRAME, iframe, vector);
  54         DEFINE_OFFSET_MACRO(IFRAME, iframe, eip);
  55         DEFINE_OFFSET_MACRO(IFRAME, iframe, flags);
  56         DEFINE_OFFSET_MACRO(IFRAME, iframe, user_esp);
  57 #endif
  58
  59         DEFINE_SIZEOF_MACRO(FPU_STATE, mc680x0_fpu_state);
  60         DEFINE_SIZEOF_MACRO(FPU_DATA_REG, mc680x0_fp_data_reg);
  61
  62         // struct syscall_info
  63         DEFINE_SIZEOF_MACRO(SYSCALL_INFO, syscall_info);
  64         DEFINE_OFFSET_MACRO(SYSCALL_INFO, syscall_info, function);
  65         DEFINE_OFFSET_MACRO(SYSCALL_INFO, syscall_info, parameter_size);
  66 }