blob: b123ace3b67c7651c1e25505a5649e45be3fe874 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -06001/*
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#include <asm/coprocessor.h>
17
18#include <linux/types.h>
19#include <linux/stddef.h>
20#include <linux/thread_info.h>
21#include <linux/ptrace.h>
22#include <linux/mm.h>
23#include <linux/kbuild.h>
24
25#include <asm/ptrace.h>
26#include <asm/uaccess.h>
27
28int 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));
42 DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel));
43 DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));
44 DEFINE(PT_SCOMPARE1, offsetof(struct pt_regs, scompare1));
45 DEFINE(PT_THREADPTR, offsetof(struct pt_regs, threadptr));
46 DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
47 DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
48 DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));
49 DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));
50 DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));
51 DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));
52 DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));
53 DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));
54 DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));
55 DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));
56 DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));
57 DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));
58 DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));
59 DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));
60 DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));
61 DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));
62 DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));
63 DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));
64 DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));
65 DEFINE(PT_SIZE, sizeof(struct pt_regs));
66 DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));
67 DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));
68 DEFINE(PT_XTREGS_OPT, offsetof(struct pt_regs, xtregs_opt));
69 DEFINE(XTREGS_OPT_SIZE, sizeof(xtregs_opt_t));
70
71 /* struct task_struct */
72 DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace));
73 DEFINE(TASK_MM, offsetof (struct task_struct, mm));
74 DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm));
75 DEFINE(TASK_PID, offsetof (struct task_struct, pid));
76 DEFINE(TASK_THREAD, offsetof (struct task_struct, thread));
77 DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));
78 DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
79
80 /* offsets in thread_info struct */
81 OFFSET(TI_TASK, thread_info, task);
82 OFFSET(TI_FLAGS, thread_info, flags);
83 OFFSET(TI_STSTUS, thread_info, status);
84 OFFSET(TI_CPU, thread_info, cpu);
85 OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
86 OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
87
88 /* struct thread_info (offset from start_struct) */
89 DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
90 DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
91 DEFINE(THREAD_CPENABLE, offsetof (struct thread_info, cpenable));
92#if XTENSA_HAVE_COPROCESSORS
93 DEFINE(THREAD_XTREGS_CP0, offsetof (struct thread_info, xtregs_cp));
94 DEFINE(THREAD_XTREGS_CP1, offsetof (struct thread_info, xtregs_cp));
95 DEFINE(THREAD_XTREGS_CP2, offsetof (struct thread_info, xtregs_cp));
96 DEFINE(THREAD_XTREGS_CP3, offsetof (struct thread_info, xtregs_cp));
97 DEFINE(THREAD_XTREGS_CP4, offsetof (struct thread_info, xtregs_cp));
98 DEFINE(THREAD_XTREGS_CP5, offsetof (struct thread_info, xtregs_cp));
99 DEFINE(THREAD_XTREGS_CP6, offsetof (struct thread_info, xtregs_cp));
100 DEFINE(THREAD_XTREGS_CP7, offsetof (struct thread_info, xtregs_cp));
101#endif
102 DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));
103 DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));
104 DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \
105 thread.current_ds));
106
107 /* struct mm_struct */
108 DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
109 DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));
110 DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
111
112 /* struct page */
113 DEFINE(PAGE_FLAGS, offsetof(struct page, flags));
114
115 /* constants */
116 DEFINE(_CLONE_VM, CLONE_VM);
117 DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);
118 DEFINE(PG_ARCH_1, PG_arch_1);
119
120 return 0;
121}