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#ifndef _CRIS_ARCH_PTRACE_H
#define _CRIS_ARCH_PTRACE_H
/* Frame types */
#define CRIS_FRAME_NORMAL 0 /* normal frame without SBFS stacking */
#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return
path */
/* Register numbers in the ptrace system call interface */
#define PT_FRAMETYPE 0
#define PT_ORIG_R10 1
#define PT_R13 2
#define PT_R12 3
#define PT_R11 4
#define PT_R10 5
#define PT_R9 6
#define PT_R8 7
#define PT_R7 8
#define PT_R6 9
#define PT_R5 10
#define PT_R4 11
#define PT_R3 12
#define PT_R2 13
#define PT_R1 14
#define PT_R0 15
#define PT_MOF 16
#define PT_DCCR 17
#define PT_SRP 18
#define PT_IRP 19 /* This is actually the debugged process' PC */
#define PT_CSRINSTR 20 /* CPU Status record remnants -
valid if frametype == busfault */
#define PT_CSRADDR 21
#define PT_CSRDATA 22
#define PT_USP 23 /* special case - USP is not in the pt_regs */
#define PT_MAX 23
/* Condition code bit numbers. The same numbers apply to CCR of course,
but we use DCCR everywhere else, so let's try and be consistent. */
#define C_DCCR_BITNR 0
#define V_DCCR_BITNR 1
#define Z_DCCR_BITNR 2
#define N_DCCR_BITNR 3
#define X_DCCR_BITNR 4
#define I_DCCR_BITNR 5
#define B_DCCR_BITNR 6
#define M_DCCR_BITNR 7
#define U_DCCR_BITNR 8
#define P_DCCR_BITNR 9
#define F_DCCR_BITNR 10
/* pt_regs not only specifices the format in the user-struct during
* ptrace but is also the frame format used in the kernel prologue/epilogues
* themselves
*/
struct pt_regs {
unsigned long frametype; /* type of stackframe */
unsigned long orig_r10;
/* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */
unsigned long r13;
unsigned long r12;
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r8;
unsigned long r7;
unsigned long r6;
unsigned long r5;
unsigned long r4;
unsigned long r3;
unsigned long r2;
unsigned long r1;
unsigned long r0;
unsigned long mof;
unsigned long dccr;
unsigned long srp;
unsigned long irp; /* This is actually the debugged process' PC */
unsigned long csrinstr;
unsigned long csraddr;
unsigned long csrdata;
};
/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
* when doing a context-switch. it is used (apart from in resume) when a new
* thread is made and we need to make _resume (which is starting it for the
* first time) realise what is going on.
*
* Actually, the use is very close to the thread struct (TSS) in that both the
* switch_stack and the TSS are used to keep thread stuff when switching in
* _resume.
*/
struct switch_stack {
unsigned long r9;
unsigned long r8;
unsigned long r7;
unsigned long r6;
unsigned long r5;
unsigned long r4;
unsigned long r3;
unsigned long r2;
unsigned long r1;
unsigned long r0;
unsigned long return_ip; /* ip that _resume will return to */
};
#ifdef __KERNEL__
/* bit 8 is user-mode flag */
#define user_mode(regs) (((regs)->dccr & 0x100) != 0)
#define instruction_pointer(regs) ((regs)->irp)
#define profile_pc(regs) instruction_pointer(regs)
#endif /* __KERNEL__ */
#endif