- #ifndef _CRIS_PTRACE_H
- #define _CRIS_PTRACE_H
- /* 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
- /* 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 */
- /* 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__
- /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
- #define PTRACE_GETREGS 12
- #define PTRACE_SETREGS 13
- /* bit 8 is user-mode flag */
- #define user_mode(regs) (((regs)->dccr & 0x100) != 0)
- #define instruction_pointer(regs) ((regs)->irp)
- extern void show_regs(struct pt_regs *);
- #endif
- #endif /* _CRIS_PTRACE_H */