arch/blackfin/kernel/asm-offsets.c

   1 /*
   2  * generate definitions needed by assembly language modules
   3  *
   4  * Copyright 2004-2009 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later
   7  */
   8
   9 #include <linux/stddef.h>
  10 #include <linux/sched.h>
  11 #include <linux/kernel_stat.h>
  12 #include <linux/ptrace.h>
  13 #include <linux/hardirq.h>
  14 #include <linux/irq.h>
  15 #include <linux/thread_info.h>
  16 #include <linux/kbuild.h>
  17
  18 int main(void)
  19 {
  20         /* offsets into the task struct */
  21         DEFINE(TASK_STATE, offsetof(struct task_struct, state));
  22         DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
  23         DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
  24         DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
  25         DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
  26         DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
  27         DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  28         DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  29         DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, pending));
  30
  31         /* offsets into the irq_cpustat_t struct */
  32         DEFINE(CPUSTAT_SOFTIRQ_PENDING,
  33                offsetof(irq_cpustat_t, __softirq_pending));
  34
  35         /* offsets into the thread struct */
  36         DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
  37         DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
  38         DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
  39         DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
  40         DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
  41         DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
  42         DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
  43
  44         /* offsets into the pt_regs */
  45         DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0));
  46         DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0));
  47         DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc));
  48         DEFINE(PT_R0, offsetof(struct pt_regs, r0));
  49         DEFINE(PT_R1, offsetof(struct pt_regs, r1));
  50         DEFINE(PT_R2, offsetof(struct pt_regs, r2));
  51         DEFINE(PT_R3, offsetof(struct pt_regs, r3));
  52         DEFINE(PT_R4, offsetof(struct pt_regs, r4));
  53         DEFINE(PT_R5, offsetof(struct pt_regs, r5));
  54         DEFINE(PT_R6, offsetof(struct pt_regs, r6));
  55         DEFINE(PT_R7, offsetof(struct pt_regs, r7));
  56
  57         DEFINE(PT_P0, offsetof(struct pt_regs, p0));
  58         DEFINE(PT_P1, offsetof(struct pt_regs, p1));
  59         DEFINE(PT_P2, offsetof(struct pt_regs, p2));
  60         DEFINE(PT_P3, offsetof(struct pt_regs, p3));
  61         DEFINE(PT_P4, offsetof(struct pt_regs, p4));
  62         DEFINE(PT_P5, offsetof(struct pt_regs, p5));
  63
  64         DEFINE(PT_FP, offsetof(struct pt_regs, fp));
  65         DEFINE(PT_USP, offsetof(struct pt_regs, usp));
  66         DEFINE(PT_I0, offsetof(struct pt_regs, i0));
  67         DEFINE(PT_I1, offsetof(struct pt_regs, i1));
  68         DEFINE(PT_I2, offsetof(struct pt_regs, i2));
  69         DEFINE(PT_I3, offsetof(struct pt_regs, i3));
  70         DEFINE(PT_M0, offsetof(struct pt_regs, m0));
  71         DEFINE(PT_M1, offsetof(struct pt_regs, m1));
  72         DEFINE(PT_M2, offsetof(struct pt_regs, m2));
  73         DEFINE(PT_M3, offsetof(struct pt_regs, m3));
  74         DEFINE(PT_L0, offsetof(struct pt_regs, l0));
  75         DEFINE(PT_L1, offsetof(struct pt_regs, l1));
  76         DEFINE(PT_L2, offsetof(struct pt_regs, l2));
  77         DEFINE(PT_L3, offsetof(struct pt_regs, l3));
  78         DEFINE(PT_B0, offsetof(struct pt_regs, b0));
  79         DEFINE(PT_B1, offsetof(struct pt_regs, b1));
  80         DEFINE(PT_B2, offsetof(struct pt_regs, b2));
  81         DEFINE(PT_B3, offsetof(struct pt_regs, b3));
  82         DEFINE(PT_A0X, offsetof(struct pt_regs, a0x));
  83         DEFINE(PT_A0W, offsetof(struct pt_regs, a0w));
  84         DEFINE(PT_A1X, offsetof(struct pt_regs, a1x));
  85         DEFINE(PT_A1W, offsetof(struct pt_regs, a1w));
  86         DEFINE(PT_LC0, offsetof(struct pt_regs, lc0));
  87         DEFINE(PT_LC1, offsetof(struct pt_regs, lc1));
  88         DEFINE(PT_LT0, offsetof(struct pt_regs, lt0));
  89         DEFINE(PT_LT1, offsetof(struct pt_regs, lt1));
  90         DEFINE(PT_LB0, offsetof(struct pt_regs, lb0));
  91         DEFINE(PT_LB1, offsetof(struct pt_regs, lb1));
  92         DEFINE(PT_ASTAT, offsetof(struct pt_regs, astat));
  93         DEFINE(PT_RESERVED, offsetof(struct pt_regs, reserved));
  94         DEFINE(PT_RETS, offsetof(struct pt_regs, rets));
  95         DEFINE(PT_PC, offsetof(struct pt_regs, pc));
  96         DEFINE(PT_RETX, offsetof(struct pt_regs, retx));
  97         DEFINE(PT_RETN, offsetof(struct pt_regs, retn));
  98         DEFINE(PT_RETE, offsetof(struct pt_regs, rete));
  99         DEFINE(PT_SEQSTAT, offsetof(struct pt_regs, seqstat));
 100         DEFINE(PT_SYSCFG, offsetof(struct pt_regs, syscfg));
 101         DEFINE(PT_IPEND, offsetof(struct pt_regs, ipend));
 102         DEFINE(SIZEOF_PTREGS, sizeof(struct pt_regs));
 103         DEFINE(PT_TEXT_ADDR, sizeof(struct pt_regs));        /* Needed by gdb */
 104         DEFINE(PT_TEXT_END_ADDR, 4 + sizeof(struct pt_regs));/* Needed by gdb */
 105         DEFINE(PT_DATA_ADDR, 8 + sizeof(struct pt_regs));    /* Needed by gdb */
 106         DEFINE(PT_FDPIC_EXEC, 12 + sizeof(struct pt_regs));  /* Needed by gdb */
 107         DEFINE(PT_FDPIC_INTERP, 16 + sizeof(struct pt_regs));/* Needed by gdb */
 108
 109         /* signal defines */
 110         DEFINE(SIGSEGV, SIGSEGV);
 111         DEFINE(SIGTRAP, SIGTRAP);
 112
 113         /* PDA management (in L1 scratchpad) */
 114         DEFINE(PDA_SYSCFG, offsetof(struct blackfin_pda, syscfg));
 115 #ifdef CONFIG_SMP
 116         DEFINE(PDA_IRQFLAGS, offsetof(struct blackfin_pda, imask));
 117 #endif
 118         DEFINE(PDA_IPDT, offsetof(struct blackfin_pda, ipdt));
 119         DEFINE(PDA_IPDT_SWAPCOUNT, offsetof(struct blackfin_pda, ipdt_swapcount));
 120         DEFINE(PDA_DPDT, offsetof(struct blackfin_pda, dpdt));
 121         DEFINE(PDA_DPDT_SWAPCOUNT, offsetof(struct blackfin_pda, dpdt_swapcount));
 122         DEFINE(PDA_EXIPTR, offsetof(struct blackfin_pda, ex_iptr));
 123         DEFINE(PDA_EXOPTR, offsetof(struct blackfin_pda, ex_optr));
 124         DEFINE(PDA_EXBUF, offsetof(struct blackfin_pda, ex_buf));
 125         DEFINE(PDA_EXIMASK, offsetof(struct blackfin_pda, ex_imask));
 126         DEFINE(PDA_EXSTACK, offsetof(struct blackfin_pda, ex_stack));
 127         DEFINE(PDA_EXIPEND, offsetof(struct blackfin_pda, ex_ipend));
 128 #ifdef ANOMALY_05000261
 129         DEFINE(PDA_LFRETX, offsetof(struct blackfin_pda, last_cplb_fault_retx));
 130 #endif
 131         DEFINE(PDA_DCPLB, offsetof(struct blackfin_pda, dcplb_fault_addr));
 132         DEFINE(PDA_ICPLB, offsetof(struct blackfin_pda, icplb_fault_addr));
 133         DEFINE(PDA_RETX, offsetof(struct blackfin_pda, retx));
 134         DEFINE(PDA_SEQSTAT, offsetof(struct blackfin_pda, seqstat));
 135 #ifdef CONFIG_DEBUG_DOUBLEFAULT
 136         DEFINE(PDA_DF_DCPLB, offsetof(struct blackfin_pda, dcplb_doublefault_addr));
 137         DEFINE(PDA_DF_ICPLB, offsetof(struct blackfin_pda, icplb_doublefault_addr));
 138         DEFINE(PDA_DF_SEQSTAT, offsetof(struct blackfin_pda, seqstat_doublefault));
 139         DEFINE(PDA_DF_RETX, offsetof(struct blackfin_pda, retx_doublefault));
 140 #endif
 141
 142         /* PDA initial management */
 143         DEFINE(PDA_INIT_RETX, offsetof(struct blackfin_initial_pda, retx));
 144 #ifdef CONFIG_DEBUG_DOUBLEFAULT
 145         DEFINE(PDA_INIT_DF_DCPLB, offsetof(struct blackfin_initial_pda, dcplb_doublefault_addr));
 146         DEFINE(PDA_INIT_DF_ICPLB, offsetof(struct blackfin_initial_pda, icplb_doublefault_addr));
 147         DEFINE(PDA_INIT_DF_SEQSTAT, offsetof(struct blackfin_initial_pda, seqstat_doublefault));
 148         DEFINE(PDA_INIT_DF_RETX, offsetof(struct blackfin_initial_pda, retx_doublefault));
 149 #endif
 150
 151 #ifdef CONFIG_SMP
 152         /* Inter-core lock (in L2 SRAM) */
 153         DEFINE(SIZEOF_CORELOCK, sizeof(struct corelock_slot));
 154 #endif
 155
 156         return 0;
 157 }