1/* 2 * Copyright 2004-2008 Analog Devices Inc. 3 * 4 * Licensed under the GPL-2 or later. 5 */ 6 7#ifndef _UAPI_BFIN_PTRACE_H 8#define _UAPI_BFIN_PTRACE_H 9 10/* 11 * GCC defines register number like this: 12 * ----------------------------- 13 * 0 - 7 are data registers R0-R7 14 * 8 - 15 are address registers P0-P7 15 * 16 - 31 dsp registers I/B/L0 -- I/B/L3 & M0--M3 16 * 32 - 33 A registers A0 & A1 17 * 34 - status register 18 * ----------------------------- 19 * 20 * We follows above, except: 21 * 32-33 --- Low 32-bit of A0&1 22 * 34-35 --- High 8-bit of A0&1 23 */ 24 25#ifndef __ASSEMBLY__ 26 27struct task_struct; 28 29/* this struct defines the way the registers are stored on the 30 stack during a system call. */ 31 32struct pt_regs { 33 long orig_pc; 34 long ipend; 35 long seqstat; 36 long rete; 37 long retn; 38 long retx; 39 long pc; /* PC == RETI */ 40 long rets; 41 long reserved; /* Used as scratch during system calls */ 42 long astat; 43 long lb1; 44 long lb0; 45 long lt1; 46 long lt0; 47 long lc1; 48 long lc0; 49 long a1w; 50 long a1x; 51 long a0w; 52 long a0x; 53 long b3; 54 long b2; 55 long b1; 56 long b0; 57 long l3; 58 long l2; 59 long l1; 60 long l0; 61 long m3; 62 long m2; 63 long m1; 64 long m0; 65 long i3; 66 long i2; 67 long i1; 68 long i0; 69 long usp; 70 long fp; 71 long p5; 72 long p4; 73 long p3; 74 long p2; 75 long p1; 76 long p0; 77 long r7; 78 long r6; 79 long r5; 80 long r4; 81 long r3; 82 long r2; 83 long r1; 84 long r0; 85 long orig_r0; 86 long orig_p0; 87 long syscfg; 88}; 89 90/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 91#define PTRACE_GETREGS 12 92#define PTRACE_SETREGS 13 /* ptrace signal */ 93 94#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ 95#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ 96#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ 97 98#define PS_S (0x0002) 99 100 101#endif /* __ASSEMBLY__ */ 102 103/* 104 * Offsets used by 'ptrace' system call interface. 105 */ 106 107#define PT_R0 204 108#define PT_R1 200 109#define PT_R2 196 110#define PT_R3 192 111#define PT_R4 188 112#define PT_R5 184 113#define PT_R6 180 114#define PT_R7 176 115#define PT_P0 172 116#define PT_P1 168 117#define PT_P2 164 118#define PT_P3 160 119#define PT_P4 156 120#define PT_P5 152 121#define PT_FP 148 122#define PT_USP 144 123#define PT_I0 140 124#define PT_I1 136 125#define PT_I2 132 126#define PT_I3 128 127#define PT_M0 124 128#define PT_M1 120 129#define PT_M2 116 130#define PT_M3 112 131#define PT_L0 108 132#define PT_L1 104 133#define PT_L2 100 134#define PT_L3 96 135#define PT_B0 92 136#define PT_B1 88 137#define PT_B2 84 138#define PT_B3 80 139#define PT_A0X 76 140#define PT_A0W 72 141#define PT_A1X 68 142#define PT_A1W 64 143#define PT_LC0 60 144#define PT_LC1 56 145#define PT_LT0 52 146#define PT_LT1 48 147#define PT_LB0 44 148#define PT_LB1 40 149#define PT_ASTAT 36 150#define PT_RESERVED 32 151#define PT_RETS 28 152#define PT_PC 24 153#define PT_RETX 20 154#define PT_RETN 16 155#define PT_RETE 12 156#define PT_SEQSTAT 8 157#define PT_IPEND 4 158 159#define PT_ORIG_R0 208 160#define PT_ORIG_P0 212 161#define PT_SYSCFG 216 162#define PT_TEXT_ADDR 220 163#define PT_TEXT_END_ADDR 224 164#define PT_DATA_ADDR 228 165#define PT_FDPIC_EXEC 232 166#define PT_FDPIC_INTERP 236 167 168#define PT_LAST_PSEUDO PT_FDPIC_INTERP 169 170#endif /* _UAPI_BFIN_PTRACE_H */ 171