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 <cpu.h>
16#include <ksignal.h>
17#include <ksyscalls.h>
18#include <thread_types.h>
19
20
21#define DEFINE_MACRO(macro, value) DEFINE_COMPUTED_ASM_MACRO(macro, value)
22
23#define DEFINE_OFFSET_MACRO(prefix, structure, member) \
24    DEFINE_MACRO(prefix##_##member, offsetof(struct structure, member));
25
26#define DEFINE_SIZEOF_MACRO(prefix, structure) \
27    DEFINE_MACRO(prefix##_sizeof, sizeof(struct structure));
28
29
30void
31dummy()
32{
33	// struct cpu_ent
34	DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler);
35	DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler_stack_pointer);
36
37	// struct Thread
38	DEFINE_OFFSET_MACRO(THREAD, Thread, time_lock);
39	DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_time);
40	DEFINE_OFFSET_MACRO(THREAD, Thread, user_time);
41	DEFINE_OFFSET_MACRO(THREAD, Thread, last_time);
42	DEFINE_OFFSET_MACRO(THREAD, Thread, in_kernel);
43	DEFINE_OFFSET_MACRO(THREAD, Thread, flags);
44	DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_stack_top);
45	DEFINE_OFFSET_MACRO(THREAD, Thread, fault_handler);
46
47	// struct iframe
48	DEFINE_SIZEOF_MACRO(IFRAME, iframe);
49	DEFINE_OFFSET_MACRO(IFRAME, iframe, pc);
50	DEFINE_OFFSET_MACRO(IFRAME, iframe, usr_sp);
51	DEFINE_OFFSET_MACRO(IFRAME, iframe, usr_lr);
52
53	// struct signal_frame_data
54	DEFINE_SIZEOF_MACRO(SIGNAL_FRAME_DATA, signal_frame_data);
55	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, info);
56	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, context);
57	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, user_data);
58	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, handler);
59
60	// struct ucontext_t
61	DEFINE_OFFSET_MACRO(UCONTEXT_T, __ucontext_t, uc_mcontext);
62
63	// struct siginfo_t
64	DEFINE_OFFSET_MACRO(SIGINFO_T, __siginfo_t, si_signo);
65}
66