include/asm-cris/arch-v32/ptrace.h

   1 #ifndef _CRIS_ARCH_PTRACE_H
   2 #define _CRIS_ARCH_PTRACE_H
   3
   4 /* Register numbers in the ptrace system call interface */
   5
   6 #define PT_ORIG_R10  0
   7 #define PT_R0        1
   8 #define PT_R1        2
   9 #define PT_R2        3
  10 #define PT_R3        4
  11 #define PT_R4        5
  12 #define PT_R5        6
  13 #define PT_R6        7
  14 #define PT_R7        8
  15 #define PT_R8        9
  16 #define PT_R9        10
  17 #define PT_R10       11
  18 #define PT_R11       12
  19 #define PT_R12       13
  20 #define PT_R13       14
  21 #define PT_ACR       15
  22 #define PT_SRS       16
  23 #define PT_MOF       17
  24 #define PT_SPC       18
  25 #define PT_CCS       19
  26 #define PT_SRP       20
  27 #define PT_ERP       21    /* This is actually the debugged process' PC */
  28 #define PT_EXS       22
  29 #define PT_EDA       23
  30 #define PT_USP       24    /* special case - USP is not in the pt_regs */
  31 #define PT_PPC       25    /* special case - pseudo PC */
  32 #define PT_BP        26    /* Base number for BP registers. */
  33 #define PT_BP_CTRL   26    /* BP control register. */
  34 #define PT_MAX       40
  35
  36 /* Condition code bit numbers. */
  37 #define C_CCS_BITNR 0
  38 #define V_CCS_BITNR 1
  39 #define Z_CCS_BITNR 2
  40 #define N_CCS_BITNR 3
  41 #define X_CCS_BITNR 4
  42 #define I_CCS_BITNR 5
  43 #define U_CCS_BITNR 6
  44 #define P_CCS_BITNR 7
  45 #define R_CCS_BITNR 8
  46 #define S_CCS_BITNR 9
  47 #define M_CCS_BITNR 30
  48 #define Q_CCS_BITNR 31
  49 #define CCS_SHIFT   10 /* Shift count for each level in CCS */
  50
  51 /* pt_regs not only specifices the format in the user-struct during
  52  * ptrace but is also the frame format used in the kernel prologue/epilogues
  53  * themselves
  54  */
  55
  56 struct pt_regs {
  57         unsigned long orig_r10;
  58         /* pushed by movem r13, [sp] in SAVE_ALL. */
  59         unsigned long r0;
  60         unsigned long r1;
  61         unsigned long r2;
  62         unsigned long r3;
  63         unsigned long r4;
  64         unsigned long r5;
  65         unsigned long r6;
  66         unsigned long r7;
  67         unsigned long r8;
  68         unsigned long r9;
  69         unsigned long r10;
  70         unsigned long r11;
  71         unsigned long r12;
  72         unsigned long r13;
  73         unsigned long acr;
  74         unsigned long srs;
  75         unsigned long mof;
  76         unsigned long spc;
  77         unsigned long ccs;
  78         unsigned long srp;
  79         unsigned long erp; /* This is actually the debugged process' PC */
  80         /* For debugging purposes; saved only when needed. */
  81         unsigned long exs;
  82         unsigned long eda;
  83 };
  84
  85 /* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
  86  * when doing a context-switch. it is used (apart from in resume) when a new
  87  * thread is made and we need to make _resume (which is starting it for the
  88  * first time) realise what is going on.
  89  *
  90  * Actually, the use is very close to the thread struct (TSS) in that both the
  91  * switch_stack and the TSS are used to keep thread stuff when switching in
  92  * _resume.
  93  */
  94
  95 struct switch_stack {
  96         unsigned long r0;
  97         unsigned long r1;
  98         unsigned long r2;
  99         unsigned long r3;
 100         unsigned long r4;
 101         unsigned long r5;
 102         unsigned long r6;
 103         unsigned long r7;
 104         unsigned long r8;
 105         unsigned long r9;
 106         unsigned long return_ip; /* ip that _resume will return to */
 107 };
 108
 109 #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
 110 #define instruction_pointer(regs) ((regs)->erp)
 111 extern void show_regs(struct pt_regs *);
 112 #define profile_pc(regs) instruction_pointer(regs)
 113
 114 #endif