| /* |
| * Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated |
| * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) |
| * |
| * Updated for 2.6.34: Mark Salter <msalter@redhat.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef _ASM_C6X_PTRACE_H |
| #define _ASM_C6X_PTRACE_H |
| |
| #define BKPT_OPCODE 0x56454314 /* illegal opcode */ |
| |
| #ifdef _BIG_ENDIAN |
| #define PT_LO(odd, even) odd |
| #define PT_HI(odd, even) even |
| #else |
| #define PT_LO(odd, even) even |
| #define PT_HI(odd, even) odd |
| #endif |
| |
| #define PT_A4_ORG PT_LO(1, 0) |
| #define PT_TSR PT_HI(1, 0) |
| #define PT_ILC PT_LO(3, 2) |
| #define PT_RILC PT_HI(3, 2) |
| #define PT_CSR PT_LO(5, 4) |
| #define PT_PC PT_HI(5, 4) |
| #define PT_B16 PT_LO(7, 6) |
| #define PT_B17 PT_HI(7, 6) |
| #define PT_B18 PT_LO(9, 8) |
| #define PT_B19 PT_HI(9, 8) |
| #define PT_B20 PT_LO(11, 10) |
| #define PT_B21 PT_HI(11, 10) |
| #define PT_B22 PT_LO(13, 12) |
| #define PT_B23 PT_HI(13, 12) |
| #define PT_B24 PT_LO(15, 14) |
| #define PT_B25 PT_HI(15, 14) |
| #define PT_B26 PT_LO(17, 16) |
| #define PT_B27 PT_HI(17, 16) |
| #define PT_B28 PT_LO(19, 18) |
| #define PT_B29 PT_HI(19, 18) |
| #define PT_B30 PT_LO(21, 20) |
| #define PT_B31 PT_HI(21, 20) |
| #define PT_B0 PT_LO(23, 22) |
| #define PT_B1 PT_HI(23, 22) |
| #define PT_B2 PT_LO(25, 24) |
| #define PT_B3 PT_HI(25, 24) |
| #define PT_B4 PT_LO(27, 26) |
| #define PT_B5 PT_HI(27, 26) |
| #define PT_B6 PT_LO(29, 28) |
| #define PT_B7 PT_HI(29, 28) |
| #define PT_B8 PT_LO(31, 30) |
| #define PT_B9 PT_HI(31, 30) |
| #define PT_B10 PT_LO(33, 32) |
| #define PT_B11 PT_HI(33, 32) |
| #define PT_B12 PT_LO(35, 34) |
| #define PT_B13 PT_HI(35, 34) |
| #define PT_A16 PT_LO(37, 36) |
| #define PT_A17 PT_HI(37, 36) |
| #define PT_A18 PT_LO(39, 38) |
| #define PT_A19 PT_HI(39, 38) |
| #define PT_A20 PT_LO(41, 40) |
| #define PT_A21 PT_HI(41, 40) |
| #define PT_A22 PT_LO(43, 42) |
| #define PT_A23 PT_HI(43, 42) |
| #define PT_A24 PT_LO(45, 44) |
| #define PT_A25 PT_HI(45, 44) |
| #define PT_A26 PT_LO(47, 46) |
| #define PT_A27 PT_HI(47, 46) |
| #define PT_A28 PT_LO(49, 48) |
| #define PT_A29 PT_HI(49, 48) |
| #define PT_A30 PT_LO(51, 50) |
| #define PT_A31 PT_HI(51, 50) |
| #define PT_A0 PT_LO(53, 52) |
| #define PT_A1 PT_HI(53, 52) |
| #define PT_A2 PT_LO(55, 54) |
| #define PT_A3 PT_HI(55, 54) |
| #define PT_A4 PT_LO(57, 56) |
| #define PT_A5 PT_HI(57, 56) |
| #define PT_A6 PT_LO(59, 58) |
| #define PT_A7 PT_HI(59, 58) |
| #define PT_A8 PT_LO(61, 60) |
| #define PT_A9 PT_HI(61, 60) |
| #define PT_A10 PT_LO(63, 62) |
| #define PT_A11 PT_HI(63, 62) |
| #define PT_A12 PT_LO(65, 64) |
| #define PT_A13 PT_HI(65, 64) |
| #define PT_A14 PT_LO(67, 66) |
| #define PT_A15 PT_HI(67, 66) |
| #define PT_B14 PT_LO(69, 68) |
| #define PT_B15 PT_HI(69, 68) |
| |
| #define NR_PTREGS 70 |
| |
| #define PT_DP PT_B14 /* Data Segment Pointer (B14) */ |
| #define PT_SP PT_B15 /* Stack Pointer (B15) */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifdef _BIG_ENDIAN |
| #define REG_PAIR(odd, even) unsigned long odd; unsigned long even |
| #else |
| #define REG_PAIR(odd, even) unsigned long even; unsigned long odd |
| #endif |
| |
| /* |
| * this struct defines the way the registers are stored on the |
| * stack during a system call. fields defined with REG_PAIR |
| * are saved and restored using double-word memory operations |
| * which means the word ordering of the pair depends on endianess. |
| */ |
| struct pt_regs { |
| REG_PAIR(tsr, orig_a4); |
| REG_PAIR(rilc, ilc); |
| REG_PAIR(pc, csr); |
| |
| REG_PAIR(b17, b16); |
| REG_PAIR(b19, b18); |
| REG_PAIR(b21, b20); |
| REG_PAIR(b23, b22); |
| REG_PAIR(b25, b24); |
| REG_PAIR(b27, b26); |
| REG_PAIR(b29, b28); |
| REG_PAIR(b31, b30); |
| |
| REG_PAIR(b1, b0); |
| REG_PAIR(b3, b2); |
| REG_PAIR(b5, b4); |
| REG_PAIR(b7, b6); |
| REG_PAIR(b9, b8); |
| REG_PAIR(b11, b10); |
| REG_PAIR(b13, b12); |
| |
| REG_PAIR(a17, a16); |
| REG_PAIR(a19, a18); |
| REG_PAIR(a21, a20); |
| REG_PAIR(a23, a22); |
| REG_PAIR(a25, a24); |
| REG_PAIR(a27, a26); |
| REG_PAIR(a29, a28); |
| REG_PAIR(a31, a30); |
| |
| REG_PAIR(a1, a0); |
| REG_PAIR(a3, a2); |
| REG_PAIR(a5, a4); |
| REG_PAIR(a7, a6); |
| REG_PAIR(a9, a8); |
| REG_PAIR(a11, a10); |
| REG_PAIR(a13, a12); |
| |
| REG_PAIR(a15, a14); |
| REG_PAIR(sp, dp); |
| }; |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/linkage.h> |
| |
| #define user_mode(regs) ((((regs)->tsr) & 0x40) != 0) |
| |
| #define instruction_pointer(regs) ((regs)->pc) |
| #define profile_pc(regs) instruction_pointer(regs) |
| #define user_stack_pointer(regs) ((regs)->sp) |
| |
| extern void show_regs(struct pt_regs *); |
| |
| extern asmlinkage unsigned long syscall_trace_entry(struct pt_regs *regs); |
| extern asmlinkage void syscall_trace_exit(struct pt_regs *regs); |
| |
| #endif /* __KERNEL__ */ |
| #endif /* __ASSEMBLY__ */ |
| #endif /* _ASM_C6X_PTRACE_H */ |