projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $ |
| 2 | * kgdb.h: Defines and declarations for serial line source level | |
| 3 | * remote debugging of the Linux kernel using gdb. | |
| 4 | * | |
| 5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
| 6 | */ | |
| 7 | #ifndef _SPARC_KGDB_H | |
| 8 | #define _SPARC_KGDB_H | |
| 9 | ||
| 10 | #ifndef __ASSEMBLY__ | |
| 11 | /* To init the kgdb engine. */ | |
| 12 | extern void set_debug_traps(void); | |
| 13 | ||
| 14 | /* To enter the debugger explicitly. */ | |
| 15 | extern void breakpoint(void); | |
| 16 | ||
| 17 | /* For convenience we define the format of a kgdb trap breakpoint | |
| 18 | * frame here also. | |
| 19 | */ | |
| 20 | struct kgdb_frame { | |
| 21 | unsigned long globals[8]; | |
| 22 | unsigned long outs[8]; | |
| 23 | unsigned long locals[8]; | |
| 24 | unsigned long ins[8]; | |
| 25 | unsigned long fpregs[32]; | |
| 26 | unsigned long y; | |
| 27 | unsigned long psr; | |
| 28 | unsigned long wim; | |
| 29 | unsigned long tbr; | |
| 30 | unsigned long pc; | |
| 31 | unsigned long npc; | |
| 32 | unsigned long fpsr; | |
| 33 | unsigned long cpsr; | |
| 34 | }; | |
| 35 | #endif /* !(__ASSEMBLY__) */ | |
| 36 | ||
| 37 | /* Macros for assembly usage of the kgdb breakpoint frame. */ | |
| 38 | #define KGDB_G0 0x000 | |
| 39 | #define KGDB_G1 0x004 | |
| 40 | #define KGDB_G2 0x008 | |
| 41 | #define KGDB_G4 0x010 | |
| 42 | #define KGDB_G6 0x018 | |
| 43 | #define KGDB_I0 0x020 | |
| 44 | #define KGDB_I2 0x028 | |
| 45 | #define KGDB_I4 0x030 | |
| 46 | #define KGDB_I6 0x038 | |
| 47 | #define KGDB_Y 0x100 | |
| 48 | #define KGDB_PSR 0x104 | |
| 49 | #define KGDB_WIM 0x108 | |
| 50 | #define KGDB_TBR 0x10c | |
| 51 | #define KGDB_PC 0x110 | |
| 52 | #define KGDB_NPC 0x114 | |
| 53 | ||
| 54 | #define SAVE_KGDB_GLOBALS(reg) \ | |
| 55 | std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \ | |
| 56 | std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \ | |
| 57 | std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \ | |
| 58 | std %g6, [%reg + STACKFRAME_SZ + KGDB_G6]; | |
| 59 | ||
| 60 | #define SAVE_KGDB_INS(reg) \ | |
| 61 | std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \ | |
| 62 | std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \ | |
| 63 | std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \ | |
| 64 | std %i6, [%reg + STACKFRAME_SZ + KGDB_I6]; | |
| 65 | ||
| 66 | #define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \ | |
| 67 | st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \ | |
| 68 | st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \ | |
| 69 | st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \ | |
| 70 | st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \ | |
| 71 | st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \ | |
| 72 | st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC]; | |
| 73 | ||
| 74 | #define LOAD_KGDB_GLOBALS(reg) \ | |
| 75 | ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \ | |
| 76 | ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \ | |
| 77 | ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \ | |
| 78 | ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6; | |
| 79 | ||
| 80 | #define LOAD_KGDB_INS(reg) \ | |
| 81 | ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \ | |
| 82 | ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \ | |
| 83 | ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \ | |
| 84 | ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6; | |
| 85 | ||
| 86 | #define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \ | |
| 87 | ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \ | |
| 88 | ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \ | |
| 89 | ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \ | |
| 90 | ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \ | |
| 91 | ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \ | |
| 92 | ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc; | |
| 93 | ||
| 94 | #endif /* !(_SPARC_KGDB_H) */ |