2 * arch/xtensa/kernel/asm-offsets.c
4 * Generates definitions from c-type structures used by assembly sources.
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
10 * Copyright (C) 2005 Tensilica Inc.
12 * Chris Zankel <chris@zankel.net>
15 #include <asm/processor.h>
17 #include <linux/types.h>
18 #include <linux/stddef.h>
19 #include <linux/thread_info.h>
20 #include <linux/ptrace.h>
21 #include <asm/ptrace.h>
22 #include <asm/processor.h>
23 #include <asm/uaccess.h>
25 #define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val))
26 #define BLANK() asm volatile("\n->" : : )
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_SYSCALL, offsetof (struct pt_regs, syscall));
43 DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
44 DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
45 DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));
46 DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));
47 DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));
48 DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));
49 DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));
50 DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));
51 DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));
52 DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));
53 DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));
54 DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));
55 DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));
56 DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));
57 DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));
58 DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));
59 DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));
60 DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));
61 DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));
62 DEFINE(PT_SIZE, sizeof(struct pt_regs));
63 DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));
64 DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));
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));
73 DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, thread_info));
74 DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
77 /* struct thread_info (offset from start_struct) */
78 DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
79 DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
80 DEFINE(THREAD_CP_SAVE, offsetof (struct task_struct, thread.cp_save));
81 DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));
84 /* struct mm_struct */
85 DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
86 DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));
87 DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
89 DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT);