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 Team
38	DEFINE_OFFSET_MACRO(TEAM, Team, commpage_address);
39
40	// struct Thread
41	DEFINE_OFFSET_MACRO(THREAD, Thread, team);
42	DEFINE_OFFSET_MACRO(THREAD, Thread, time_lock);
43	DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_time);
44	DEFINE_OFFSET_MACRO(THREAD, Thread, user_time);
45	DEFINE_OFFSET_MACRO(THREAD, Thread, last_time);
46	DEFINE_OFFSET_MACRO(THREAD, Thread, in_kernel);
47	DEFINE_OFFSET_MACRO(THREAD, Thread, flags);
48	DEFINE_OFFSET_MACRO(THREAD, Thread, kernel_stack_top);
49	DEFINE_OFFSET_MACRO(THREAD, Thread, fault_handler);
50
51#ifdef __x86_64__
52	// struct arch_thread
53	DEFINE_OFFSET_MACRO(ARCH_THREAD, arch_thread, syscall_rsp);
54	DEFINE_OFFSET_MACRO(ARCH_THREAD, arch_thread, user_rsp);
55	DEFINE_OFFSET_MACRO(ARCH_THREAD, arch_thread, current_stack);
56#endif
57
58	// struct iframe
59	DEFINE_SIZEOF_MACRO(IFRAME, iframe);
60	DEFINE_OFFSET_MACRO(IFRAME, iframe, cs);
61	DEFINE_OFFSET_MACRO(IFRAME, iframe, ax);
62	DEFINE_OFFSET_MACRO(IFRAME, iframe, dx);
63	DEFINE_OFFSET_MACRO(IFRAME, iframe, di);
64	DEFINE_OFFSET_MACRO(IFRAME, iframe, si);
65	DEFINE_OFFSET_MACRO(IFRAME, iframe, vector);
66	DEFINE_OFFSET_MACRO(IFRAME, iframe, ip);
67	DEFINE_OFFSET_MACRO(IFRAME, iframe, flags);
68	DEFINE_OFFSET_MACRO(IFRAME, iframe, user_sp);
69#ifdef __x86_64__
70	DEFINE_OFFSET_MACRO(IFRAME, iframe, r8);
71	DEFINE_OFFSET_MACRO(IFRAME, iframe, r9);
72	DEFINE_OFFSET_MACRO(IFRAME, iframe, r10);
73	DEFINE_OFFSET_MACRO(IFRAME, iframe, fpu);
74#else
75	DEFINE_OFFSET_MACRO(IFRAME, iframe, orig_eax);
76#endif
77
78	// struct syscall_info
79	DEFINE_SIZEOF_MACRO(SYSCALL_INFO, syscall_info);
80	DEFINE_OFFSET_MACRO(SYSCALL_INFO, syscall_info, function);
81	DEFINE_OFFSET_MACRO(SYSCALL_INFO, syscall_info, parameter_size);
82
83	// struct extended_syscall_info
84	DEFINE_SIZEOF_MACRO(EXTENDED_SYSCALL_INFO, extended_syscall_info);
85	DEFINE_OFFSET_MACRO(EXTENDED_SYSCALL_INFO, extended_syscall_info,
86		parameter_count);
87	DEFINE_OFFSET_MACRO(EXTENDED_SYSCALL_INFO, extended_syscall_info,
88		parameters);
89
90	// struct syscall_parameter_info
91	DEFINE_SIZEOF_MACRO(SYSCALL_PARAMETER_INFO, syscall_parameter_info);
92	DEFINE_OFFSET_MACRO(SYSCALL_PARAMETER_INFO, syscall_parameter_info,
93		used_size);
94
95	// struct signal_frame_data
96	DEFINE_SIZEOF_MACRO(SIGNAL_FRAME_DATA, signal_frame_data);
97	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, info);
98	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, context);
99	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, user_data);
100	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, handler);
101	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, siginfo_handler);
102	DEFINE_OFFSET_MACRO(SIGNAL_FRAME_DATA, signal_frame_data, commpage_address);
103
104	// struct ucontext_t
105	DEFINE_OFFSET_MACRO(UCONTEXT_T, __ucontext_t, uc_mcontext);
106
107	// struct vregs
108	DEFINE_SIZEOF_MACRO(VREGS, vregs);
109
110	// struct siginfo_t
111	DEFINE_OFFSET_MACRO(SIGINFO_T, __siginfo_t, si_signo);
112}
113