diff options
Diffstat (limited to 'include/asm-sparc/kgdb.h')
| -rw-r--r-- | include/asm-sparc/kgdb.h | 116 |
1 files changed, 30 insertions, 86 deletions
diff --git a/include/asm-sparc/kgdb.h b/include/asm-sparc/kgdb.h index d120adfb429..b6ef301d05b 100644 --- a/include/asm-sparc/kgdb.h +++ b/include/asm-sparc/kgdb.h @@ -1,94 +1,38 @@ -/* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $ - * kgdb.h: Defines and declarations for serial line source level - * remote debugging of the Linux kernel using gdb. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ #ifndef _SPARC_KGDB_H #define _SPARC_KGDB_H -#ifndef __ASSEMBLY__ -/* To init the kgdb engine. */ -extern void set_debug_traps(void); - -/* To enter the debugger explicitly. */ -extern void breakpoint(void); - -/* For convenience we define the format of a kgdb trap breakpoint - * frame here also. - */ -struct kgdb_frame { - unsigned long globals[8]; - unsigned long outs[8]; - unsigned long locals[8]; - unsigned long ins[8]; - unsigned long fpregs[32]; - unsigned long y; - unsigned long psr; - unsigned long wim; - unsigned long tbr; - unsigned long pc; - unsigned long npc; - unsigned long fpsr; - unsigned long cpsr; +#ifdef CONFIG_SPARC32 +#define BUFMAX 2048 +#else +#define BUFMAX 4096 +#endif + +enum regnames { + GDB_G0, GDB_G1, GDB_G2, GDB_G3, GDB_G4, GDB_G5, GDB_G6, GDB_G7, + GDB_O0, GDB_O1, GDB_O2, GDB_O3, GDB_O4, GDB_O5, GDB_SP, GDB_O7, + GDB_L0, GDB_L1, GDB_L2, GDB_L3, GDB_L4, GDB_L5, GDB_L6, GDB_L7, + GDB_I0, GDB_I1, GDB_I2, GDB_I3, GDB_I4, GDB_I5, GDB_FP, GDB_I7, + GDB_F0, + GDB_F31 = GDB_F0 + 31, +#ifdef CONFIG_SPARC32 + GDB_Y, GDB_PSR, GDB_WIM, GDB_TBR, GDB_PC, GDB_NPC, + GDB_FSR, GDB_CSR, +#else + GDB_F32 = GDB_F0 + 32, + GDB_F62 = GDB_F32 + 15, + GDB_PC, GDB_NPC, GDB_STATE, GDB_FSR, GDB_FPRS, GDB_Y, +#endif }; -#endif /* !(__ASSEMBLY__) */ - -/* Macros for assembly usage of the kgdb breakpoint frame. */ -#define KGDB_G0 0x000 -#define KGDB_G1 0x004 -#define KGDB_G2 0x008 -#define KGDB_G4 0x010 -#define KGDB_G6 0x018 -#define KGDB_I0 0x020 -#define KGDB_I2 0x028 -#define KGDB_I4 0x030 -#define KGDB_I6 0x038 -#define KGDB_Y 0x100 -#define KGDB_PSR 0x104 -#define KGDB_WIM 0x108 -#define KGDB_TBR 0x10c -#define KGDB_PC 0x110 -#define KGDB_NPC 0x114 - -#define SAVE_KGDB_GLOBALS(reg) \ - std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \ - std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \ - std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \ - std %g6, [%reg + STACKFRAME_SZ + KGDB_G6]; - -#define SAVE_KGDB_INS(reg) \ - std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \ - std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \ - std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \ - std %i6, [%reg + STACKFRAME_SZ + KGDB_I6]; - -#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \ - st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \ - st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \ - st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \ - st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \ - st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \ - st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC]; -#define LOAD_KGDB_GLOBALS(reg) \ - ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \ - ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \ - ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \ - ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6; +#ifdef CONFIG_SPARC32 +#define NUMREGBYTES ((GDB_CSR + 1) * 4) +#else +#define NUMREGBYTES ((GDB_Y + 1) * 8) +#endif -#define LOAD_KGDB_INS(reg) \ - ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \ - ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \ - ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \ - ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6; +extern void arch_kgdb_breakpoint(void); -#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \ - ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \ - ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \ - ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \ - ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \ - ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \ - ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc; +#define BREAK_INSTR_SIZE 4 +#define CACHE_FLUSH_IS_SAFE 1 -#endif /* !(_SPARC_KGDB_H) */ +#endif /* _SPARC_KGDB_H */ |