| #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 |