| #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 |
