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95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
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/* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $
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* kgdb.h: Defines and declarations for serial line source level
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* remote debugging of the Linux kernel using gdb.
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef _SPARC_KGDB_H
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#define _SPARC_KGDB_H
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#ifndef __ASSEMBLY__
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/* To init the kgdb engine. */
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extern void set_debug_traps(void);
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/* To enter the debugger explicitly. */
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extern void breakpoint(void);
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/* For convenience we define the format of a kgdb trap breakpoint
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* frame here also.
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*/
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struct kgdb_frame {
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unsigned long globals[8];
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unsigned long outs[8];
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unsigned long locals[8];
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unsigned long ins[8];
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unsigned long fpregs[32];
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unsigned long y;
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unsigned long psr;
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unsigned long wim;
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unsigned long tbr;
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unsigned long pc;
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unsigned long npc;
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unsigned long fpsr;
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unsigned long cpsr;
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};
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#endif /* !(__ASSEMBLY__) */
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/* Macros for assembly usage of the kgdb breakpoint frame. */
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#define KGDB_G0 0x000
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#define KGDB_G1 0x004
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#define KGDB_G2 0x008
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#define KGDB_G4 0x010
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#define KGDB_G6 0x018
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#define KGDB_I0 0x020
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#define KGDB_I2 0x028
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#define KGDB_I4 0x030
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#define KGDB_I6 0x038
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#define KGDB_Y 0x100
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#define KGDB_PSR 0x104
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#define KGDB_WIM 0x108
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#define KGDB_TBR 0x10c
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#define KGDB_PC 0x110
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#define KGDB_NPC 0x114
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#define SAVE_KGDB_GLOBALS(reg) \
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std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
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std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
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std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
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std %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
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#define SAVE_KGDB_INS(reg) \
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std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
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std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
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std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
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std %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
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#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
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st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
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st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
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st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
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st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
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st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
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st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
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#define LOAD_KGDB_GLOBALS(reg) \
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ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \
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ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \
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ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \
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ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6;
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#define LOAD_KGDB_INS(reg) \
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ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
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ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
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ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
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ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
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#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
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ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \
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ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \
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ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \
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ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \
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ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \
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ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc;
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#endif /* !(_SPARC_KGDB_H) */
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