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1da177e4 LT |
1 | /* |
2 | * Copyright (C) 1995-2003 Russell King | |
3 | * 2001-2002 Keith Owens | |
4 | * | |
5 | * Generate definitions needed by assembly language modules. | |
6 | * This code generates raw asm output which is post-processed to extract | |
7 | * and format the required data. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | #include <linux/sched.h> | |
14 | #include <linux/mm.h> | |
15 | #include <asm/mach/arch.h> | |
16 | #include <asm/thread_info.h> | |
17 | #include <asm/memory.h> | |
18 | ||
19 | /* | |
20 | * Make sure that the compiler and target are compatible. | |
21 | */ | |
22 | #if defined(__APCS_26__) | |
23 | #error Sorry, your compiler targets APCS-26 but this kernel requires APCS-32 | |
24 | #endif | |
25 | /* | |
1da177e4 LT |
26 | * GCC 3.0, 3.1: general bad code generation. |
27 | * GCC 3.2.0: incorrect function argument offset calculation. | |
28 | * GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c | |
29 | * (http://gcc.gnu.org/PR8896) and incorrect structure | |
30 | * initialisation in fs/jffs2/erase.c | |
31 | */ | |
a1365647 | 32 | #if (__GNUC__ == 3 && __GNUC_MINOR__ < 3) |
1da177e4 | 33 | #error Your compiler is too buggy; it is known to miscompile kernels. |
a1365647 | 34 | #error Known good compilers: 3.3 |
1da177e4 LT |
35 | #endif |
36 | ||
37 | /* Use marker if you need to separate the values later */ | |
38 | ||
39 | #define DEFINE(sym, val) \ | |
40 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) | |
41 | ||
42 | #define BLANK() asm volatile("\n->" : : ) | |
43 | ||
44 | int main(void) | |
45 | { | |
46 | DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); | |
47 | BLANK(); | |
48 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); | |
49 | DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); | |
50 | DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); | |
51 | DEFINE(TI_TASK, offsetof(struct thread_info, task)); | |
52 | DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); | |
53 | DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); | |
54 | DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain)); | |
55 | DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context)); | |
56 | DEFINE(TI_USED_CP, offsetof(struct thread_info, used_cp)); | |
57 | DEFINE(TI_TP_VALUE, offsetof(struct thread_info, tp_value)); | |
58 | DEFINE(TI_FPSTATE, offsetof(struct thread_info, fpstate)); | |
59 | DEFINE(TI_VFPSTATE, offsetof(struct thread_info, vfpstate)); | |
cdaabbd7 RK |
60 | #ifdef CONFIG_IWMMXT |
61 | DEFINE(TI_IWMMXT_STATE, offsetof(struct thread_info, fpstate.iwmmxt)); | |
62 | #endif | |
1da177e4 | 63 | BLANK(); |
925c8a1a RK |
64 | DEFINE(S_R0, offsetof(struct pt_regs, ARM_r0)); |
65 | DEFINE(S_R1, offsetof(struct pt_regs, ARM_r1)); | |
66 | DEFINE(S_R2, offsetof(struct pt_regs, ARM_r2)); | |
67 | DEFINE(S_R3, offsetof(struct pt_regs, ARM_r3)); | |
68 | DEFINE(S_R4, offsetof(struct pt_regs, ARM_r4)); | |
69 | DEFINE(S_R5, offsetof(struct pt_regs, ARM_r5)); | |
70 | DEFINE(S_R6, offsetof(struct pt_regs, ARM_r6)); | |
71 | DEFINE(S_R7, offsetof(struct pt_regs, ARM_r7)); | |
72 | DEFINE(S_R8, offsetof(struct pt_regs, ARM_r8)); | |
73 | DEFINE(S_R9, offsetof(struct pt_regs, ARM_r9)); | |
74 | DEFINE(S_R10, offsetof(struct pt_regs, ARM_r10)); | |
75 | DEFINE(S_FP, offsetof(struct pt_regs, ARM_fp)); | |
76 | DEFINE(S_IP, offsetof(struct pt_regs, ARM_ip)); | |
77 | DEFINE(S_SP, offsetof(struct pt_regs, ARM_sp)); | |
78 | DEFINE(S_LR, offsetof(struct pt_regs, ARM_lr)); | |
79 | DEFINE(S_PC, offsetof(struct pt_regs, ARM_pc)); | |
80 | DEFINE(S_PSR, offsetof(struct pt_regs, ARM_cpsr)); | |
81 | DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); | |
82 | DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); | |
83 | BLANK(); | |
1da177e4 LT |
84 | #if __LINUX_ARM_ARCH__ >= 6 |
85 | DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id)); | |
86 | BLANK(); | |
87 | #endif | |
88 | DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); | |
89 | DEFINE(VMA_VM_FLAGS, offsetof(struct vm_area_struct, vm_flags)); | |
90 | BLANK(); | |
91 | DEFINE(VM_EXEC, VM_EXEC); | |
92 | BLANK(); | |
93 | DEFINE(PAGE_SZ, PAGE_SIZE); | |
1da177e4 LT |
94 | BLANK(); |
95 | DEFINE(SYS_ERROR0, 0x9f0000); | |
96 | BLANK(); | |
97 | DEFINE(SIZEOF_MACHINE_DESC, sizeof(struct machine_desc)); | |
2eb9d315 UZ |
98 | DEFINE(MACHINFO_TYPE, offsetof(struct machine_desc, nr)); |
99 | DEFINE(MACHINFO_NAME, offsetof(struct machine_desc, name)); | |
100 | DEFINE(MACHINFO_PHYSIO, offsetof(struct machine_desc, phys_io)); | |
101 | DEFINE(MACHINFO_PGOFFIO, offsetof(struct machine_desc, io_pg_offst)); | |
2ceec0c8 UZ |
102 | BLANK(); |
103 | DEFINE(PROC_INFO_SZ, sizeof(struct proc_info_list)); | |
2eb9d315 UZ |
104 | DEFINE(PROCINFO_INITFUNC, offsetof(struct proc_info_list, __cpu_flush)); |
105 | DEFINE(PROCINFO_MMUFLAGS, offsetof(struct proc_info_list, __cpu_mmu_flags)); | |
1da177e4 LT |
106 | return 0; |
107 | } |