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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | #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 */ }; /* 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 |