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119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
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/* gdb-stub.h: FRV GDB stub
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*
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* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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* - Derived from asm-mips/gdb-stub.h (c) 1995 Andreas Busse
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __ASM_GDB_STUB_H
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#define __ASM_GDB_STUB_H
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#undef GDBSTUB_DEBUG_PROTOCOL
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#include <asm/ptrace.h>
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/*
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* important register numbers in GDB protocol
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* - GR0, GR1, GR2, GR3, GR4, GR5, GR6, GR7,
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* - GR8, GR9, GR10, GR11, GR12, GR13, GR14, GR15,
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* - GR16, GR17, GR18, GR19, GR20, GR21, GR22, GR23,
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* - GR24, GR25, GR26, GR27, GR28, GR29, GR30, GR31,
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* - GR32, GR33, GR34, GR35, GR36, GR37, GR38, GR39,
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* - GR40, GR41, GR42, GR43, GR44, GR45, GR46, GR47,
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* - GR48, GR49, GR50, GR51, GR52, GR53, GR54, GR55,
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* - GR56, GR57, GR58, GR59, GR60, GR61, GR62, GR63,
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* - FR0, FR1, FR2, FR3, FR4, FR5, FR6, FR7,
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* - FR8, FR9, FR10, FR11, FR12, FR13, FR14, FR15,
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* - FR16, FR17, FR18, FR19, FR20, FR21, FR22, FR23,
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* - FR24, FR25, FR26, FR27, FR28, FR29, FR30, FR31,
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* - FR32, FR33, FR34, FR35, FR36, FR37, FR38, FR39,
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* - FR40, FR41, FR42, FR43, FR44, FR45, FR46, FR47,
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* - FR48, FR49, FR50, FR51, FR52, FR53, FR54, FR55,
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* - FR56, FR57, FR58, FR59, FR60, FR61, FR62, FR63,
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* - PC, PSR, CCR, CCCR,
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* - _X132, _X133, _X134
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* - TBR, BRR, DBAR0, DBAR1, DBAR2, DBAR3,
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* - SCR0, SCR1, SCR2, SCR3,
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* - LR, LCR,
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* - IACC0H, IACC0L,
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* - FSR0,
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* - ACC0, ACC1, ACC2, ACC3, ACC4, ACC5, ACC6, ACC7,
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* - ACCG0123, ACCG4567,
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* - MSR0, MSR1,
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* - GNER0, GNER1,
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* - FNER0, FNER1,
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*/
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#define GDB_REG_GR(N) (N)
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#define GDB_REG_FR(N) (64+(N))
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#define GDB_REG_PC 128
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#define GDB_REG_PSR 129
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#define GDB_REG_CCR 130
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#define GDB_REG_CCCR 131
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#define GDB_REG_TBR 135
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#define GDB_REG_BRR 136
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#define GDB_REG_DBAR(N) (137+(N))
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#define GDB_REG_SCR(N) (141+(N))
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#define GDB_REG_LR 145
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#define GDB_REG_LCR 146
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#define GDB_REG_FSR0 149
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#define GDB_REG_ACC(N) (150+(N))
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#define GDB_REG_ACCG(N) (158+(N)/4)
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#define GDB_REG_MSR(N) (160+(N))
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#define GDB_REG_GNER(N) (162+(N))
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#define GDB_REG_FNER(N) (164+(N))
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#define GDB_REG_SP GDB_REG_GR(1)
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#define GDB_REG_FP GDB_REG_GR(2)
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#ifndef _LANGUAGE_ASSEMBLY
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/*
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* Prototypes
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*/
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extern void show_registers_only(struct pt_regs *regs);
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extern void gdbstub_init(void);
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extern void gdbstub(int type);
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extern void gdbstub_exit(int status);
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extern void gdbstub_io_init(void);
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extern void gdbstub_set_baud(unsigned baud);
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extern int gdbstub_rx_char(unsigned char *_ch, int nonblock);
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extern void gdbstub_tx_char(unsigned char ch);
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extern void gdbstub_tx_flush(void);
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extern void gdbstub_do_rx(void);
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extern asmlinkage void __debug_stub_init_break(void);
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extern asmlinkage void __break_hijack_kernel_event(void);
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extern asmlinkage void start_kernel(void);
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extern asmlinkage void gdbstub_rx_handler(void);
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extern asmlinkage void gdbstub_rx_irq(void);
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extern asmlinkage void gdbstub_intercept(void);
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extern uint32_t __entry_usertrap_table[];
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extern uint32_t __entry_kerneltrap_table[];
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extern volatile u8 gdbstub_rx_buffer[PAGE_SIZE];
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extern volatile u32 gdbstub_rx_inp;
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extern volatile u32 gdbstub_rx_outp;
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extern volatile u8 gdbstub_rx_overflow;
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extern u8 gdbstub_rx_unget;
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extern void gdbstub_printk(const char *fmt, ...);
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extern void debug_to_serial(const char *p, int n);
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extern void console_set_baud(unsigned baud);
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#ifdef GDBSTUB_DEBUG_PROTOCOL
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#define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__)
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#else
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#define gdbstub_proto(FMT,...) ({ 0; })
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#endif
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#endif /* _LANGUAGE_ASSEMBLY */
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#endif /* __ASM_GDB_STUB_H */
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