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1 | /* |
2 | * arch/xtensa/kernel/asm-offsets.c | |
3 | * | |
4 | * Generates definitions from c-type structures used by assembly sources. | |
5 | * | |
6 | * This file is subject to the terms and conditions of the GNU General Public | |
7 | * License. See the file "COPYING" in the main directory of this archive | |
8 | * for more details. | |
9 | * | |
10 | * Copyright (C) 2005 Tensilica Inc. | |
11 | * | |
12 | * Chris Zankel <chris@zankel.net> | |
13 | */ | |
14 | ||
15 | #include <asm/processor.h> | |
16 | ||
17 | #include <linux/types.h> | |
5a0015d6 CZ |
18 | #include <linux/stddef.h> |
19 | #include <linux/thread_info.h> | |
20 | #include <linux/ptrace.h> | |
6656920b CZ |
21 | #include <linux/mm.h> |
22 | ||
5a0015d6 | 23 | #include <asm/ptrace.h> |
5a0015d6 CZ |
24 | #include <asm/uaccess.h> |
25 | ||
26 | #define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val)) | |
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27 | |
28 | int main(void) | |
29 | { | |
30 | /* struct pt_regs */ | |
31 | DEFINE(PT_PC, offsetof (struct pt_regs, pc)); | |
32 | DEFINE(PT_PS, offsetof (struct pt_regs, ps)); | |
33 | DEFINE(PT_DEPC, offsetof (struct pt_regs, depc)); | |
34 | DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause)); | |
35 | DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr)); | |
36 | DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause)); | |
37 | DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask)); | |
38 | DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg)); | |
39 | DEFINE(PT_LEND, offsetof (struct pt_regs, lend)); | |
40 | DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount)); | |
41 | DEFINE(PT_SAR, offsetof (struct pt_regs, sar)); | |
29c4dfd9 | 42 | DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel)); |
5a0015d6 CZ |
43 | DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall)); |
44 | DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0])); | |
45 | DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0])); | |
46 | DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1])); | |
47 | DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2])); | |
48 | DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3])); | |
49 | DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4])); | |
50 | DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5])); | |
51 | DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6])); | |
52 | DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7])); | |
53 | DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8])); | |
54 | DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9])); | |
55 | DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10])); | |
56 | DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11])); | |
57 | DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12])); | |
58 | DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13])); | |
59 | DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14])); | |
60 | DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15])); | |
61 | DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase)); | |
62 | DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart)); | |
63 | DEFINE(PT_SIZE, sizeof(struct pt_regs)); | |
64 | DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS])); | |
65 | DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS])); | |
5a0015d6 CZ |
66 | |
67 | /* struct task_struct */ | |
68 | DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace)); | |
69 | DEFINE(TASK_MM, offsetof (struct task_struct, mm)); | |
70 | DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm)); | |
71 | DEFINE(TASK_PID, offsetof (struct task_struct, pid)); | |
72 | DEFINE(TASK_THREAD, offsetof (struct task_struct, thread)); | |
f7e4217b | 73 | DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack)); |
5a0015d6 | 74 | DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); |
5a0015d6 CZ |
75 | |
76 | /* struct thread_info (offset from start_struct) */ | |
77 | DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra)); | |
78 | DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp)); | |
79 | DEFINE(THREAD_CP_SAVE, offsetof (struct task_struct, thread.cp_save)); | |
80 | DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds)); | |
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81 | |
82 | /* struct mm_struct */ | |
83 | DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users)); | |
84 | DEFINE(MM_PGD, offsetof (struct mm_struct, pgd)); | |
85 | DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context)); | |
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86 | |
87 | /* struct page */ | |
88 | DEFINE(PAGE_FLAGS, offsetof(struct page, flags)); | |
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89 | |
90 | /* constants */ | |
91 | DEFINE(_CLONE_VM, CLONE_VM); | |
92 | DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED); | |
6656920b | 93 | DEFINE(PG_ARCH_1, PG_arch_1); |
fc4fb2ad | 94 | |
5a0015d6 CZ |
95 | return 0; |
96 | } | |
97 |