/* $Id: gdb-stub.h,v 1.3 1998/08/25 09:21:55 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995 Andreas Busse
*/
#ifndef __ASM_MIPS_GDB_STUB_H
#define __ASM_MIPS_GDB_STUB_H
/*
* important register numbers
*/
#define REG_EPC 37
#define REG_FP 72
#define REG_SP 29
/*
* Stack layout for the GDB exception handler
* Derived from the stack layout described in asm-mips/stackframe.h
*
* The first PTRSIZE*5 bytes are argument save space for C subroutines.
*/
#define NUMREGS 90
#define GDB_FR_REG0 (PTRSIZE*5) /* 0 */
#define GDB_FR_REG1 ((GDB_FR_REG0) + 4) /* 1 */
#define GDB_FR_REG2 ((GDB_FR_REG1) + 4) /* 2 */
#define GDB_FR_REG3 ((GDB_FR_REG2) + 4) /* 3 */
#define GDB_FR_REG4 ((GDB_FR_REG3) + 4) /* 4 */
#define GDB_FR_REG5 ((GDB_FR_REG4) + 4) /* 5 */
#define GDB_FR_REG6 ((GDB_FR_REG5) + 4) /* 6 */
#define GDB_FR_REG7 ((GDB_FR_REG6) + 4) /* 7 */
#define GDB_FR_REG8 ((GDB_FR_REG7) + 4) /* 8 */
#define GDB_FR_REG9 ((GDB_FR_REG8) + 4) /* 9 */
#define GDB_FR_REG10 ((GDB_FR_REG9) + 4) /* 10 */
#define GDB_FR_REG11 ((GDB_FR_REG10) + 4) /* 11 */
#define GDB_FR_REG12 ((GDB_FR_REG11) + 4) /* 12 */
#define GDB_FR_REG13 ((GDB_FR_REG12) + 4) /* 13 */
#define GDB_FR_REG14 ((GDB_FR_REG13) + 4) /* 14 */
#define GDB_FR_REG15 ((GDB_FR_REG14) + 4) /* 15 */
#define GDB_FR_REG16 ((GDB_FR_REG15) + 4) /* 16 */
#define GDB_FR_REG17 ((GDB_FR_REG16) + 4) /* 17 */
#define GDB_FR_REG18 ((GDB_FR_REG17) + 4) /* 18 */
#define GDB_FR_REG19 ((GDB_FR_REG18) + 4) /* 19 */
#define GDB_FR_REG20 ((GDB_FR_REG19) + 4) /* 20 */
#define GDB_FR_REG21 ((GDB_FR_REG20) + 4) /* 21 */
#define GDB_FR_REG22 ((GDB_FR_REG21) + 4) /* 22 */
#define GDB_FR_REG23 ((GDB_FR_REG22) + 4) /* 23 */
#define GDB_FR_REG24 ((GDB_FR_REG23) + 4) /* 24 */
#define GDB_FR_REG25 ((GDB_FR_REG24) + 4) /* 25 */
#define GDB_FR_REG26 ((GDB_FR_REG25) + 4) /* 26 */
#define GDB_FR_REG27 ((GDB_FR_REG26) + 4) /* 27 */
#define GDB_FR_REG28 ((GDB_FR_REG27) + 4) /* 28 */
#define GDB_FR_REG29 ((GDB_FR_REG28) + 4) /* 29 */
#define GDB_FR_REG30 ((GDB_FR_REG29) + 4) /* 30 */
#define GDB_FR_REG31 ((GDB_FR_REG30) + 4) /* 31 */
/*
* Saved special registers
*/
#define GDB_FR_STATUS ((GDB_FR_REG31) + 4) /* 32 */
#define GDB_FR_LO ((GDB_FR_STATUS) + 4) /* 33 */
#define GDB_FR_HI ((GDB_FR_LO) + 4) /* 34 */
#define GDB_FR_BADVADDR ((GDB_FR_HI) + 4) /* 35 */
#define GDB_FR_CAUSE ((GDB_FR_BADVADDR) + 4) /* 36 */
#define GDB_FR_EPC ((GDB_FR_CAUSE) + 4) /* 37 */
/*
* Saved floating point registers
*/
#define GDB_FR_FPR0 ((GDB_FR_EPC) + 4) /* 38 */
#define GDB_FR_FPR1 ((GDB_FR_FPR0) + 4) /* 39 */
#define GDB_FR_FPR2 ((GDB_FR_FPR1) + 4) /* 40 */
#define GDB_FR_FPR3 ((GDB_FR_FPR2) + 4) /* 41 */
#define GDB_FR_FPR4 ((GDB_FR_FPR3) + 4) /* 42 */
#define GDB_FR_FPR5 ((GDB_FR_FPR4) + 4) /* 43 */
#define GDB_FR_FPR6 ((GDB_FR_FPR5) + 4) /* 44 */
#define GDB_FR_FPR7 ((GDB_FR_FPR6) + 4) /* 45 */
#define GDB_FR_FPR8 ((GDB_FR_FPR7) + 4) /* 46 */
#define GDB_FR_FPR9 ((GDB_FR_FPR8) + 4) /* 47 */
#define GDB_FR_FPR10 ((GDB_FR_FPR9) + 4) /* 48 */
#define GDB_FR_FPR11 ((GDB_FR_FPR10) + 4) /* 49 */
#define GDB_FR_FPR12 ((GDB_FR_FPR11) + 4) /* 50 */
#define GDB_FR_FPR13 ((GDB_FR_FPR12) + 4) /* 51 */
#define GDB_FR_FPR14 ((GDB_FR_FPR13) + 4) /* 52 */
#define GDB_FR_FPR15 ((GDB_FR_FPR14) + 4) /* 53 */
#define GDB_FR_FPR16 ((GDB_FR_FPR15) + 4) /* 54 */
#define GDB_FR_FPR17 ((GDB_FR_FPR16) + 4) /* 55 */
#define GDB_FR_FPR18 ((GDB_FR_FPR17) + 4) /* 56 */
#define GDB_FR_FPR19 ((GDB_FR_FPR18) + 4) /* 57 */
#define GDB_FR_FPR20 ((GDB_FR_FPR19) + 4) /* 58 */
#define GDB_FR_FPR21 ((GDB_FR_FPR20) + 4) /* 59 */
#define GDB_FR_FPR22 ((GDB_FR_FPR21) + 4) /* 60 */
#define GDB_FR_FPR23 ((GDB_FR_FPR22) + 4) /* 61 */
#define GDB_FR_FPR24 ((GDB_FR_FPR23) + 4) /* 62 */
#define GDB_FR_FPR25 ((GDB_FR_FPR24) + 4) /* 63 */
#define GDB_FR_FPR26 ((GDB_FR_FPR25) + 4) /* 64 */
#define GDB_FR_FPR27 ((GDB_FR_FPR26) + 4) /* 65 */
#define GDB_FR_FPR28 ((GDB_FR_FPR27) + 4) /* 66 */
#define GDB_FR_FPR29 ((GDB_FR_FPR28) + 4) /* 67 */
#define GDB_FR_FPR30 ((GDB_FR_FPR29) + 4) /* 68 */
#define GDB_FR_FPR31 ((GDB_FR_FPR30) + 4) /* 69 */
#define GDB_FR_FSR ((GDB_FR_FPR31) + 4) /* 70 */
#define GDB_FR_FIR ((GDB_FR_FSR) + 4) /* 71 */
#define GDB_FR_FRP ((GDB_FR_FIR) + 4) /* 72 */
#define GDB_FR_DUMMY ((GDB_FR_FRP) + 4) /* 73, unused ??? */
/*
* Again, CP0 registers
*/
#define GDB_FR_CP0_INDEX ((GDB_FR_DUMMY) + 4) /* 74 */
#define GDB_FR_CP0_RANDOM ((GDB_FR_CP0_INDEX) + 4) /* 75 */
#define GDB_FR_CP0_ENTRYLO0 ((GDB_FR_CP0_RANDOM) + 4) /* 76 */
#define GDB_FR_CP0_ENTRYLO1 ((GDB_FR_CP0_ENTRYLO0) + 4) /* 77 */
#define GDB_FR_CP0_CONTEXT ((GDB_FR_CP0_ENTRYLO1) + 4) /* 78 */
#define GDB_FR_CP0_PAGEMASK ((GDB_FR_CP0_CONTEXT) + 4) /* 79 */
#define GDB_FR_CP0_WIRED ((GDB_FR_CP0_PAGEMASK) + 4) /* 80 */
#define GDB_FR_CP0_REG7 ((GDB_FR_CP0_WIRED) + 4) /* 81 */
#define GDB_FR_CP0_REG8 ((GDB_FR_CP0_REG7) + 4) /* 82 */
#define GDB_FR_CP0_REG9 ((GDB_FR_CP0_REG8) + 4) /* 83 */
#define GDB_FR_CP0_ENTRYHI ((GDB_FR_CP0_REG9) + 4) /* 84 */
#define GDB_FR_CP0_REG11 ((GDB_FR_CP0_ENTRYHI) + 4) /* 85 */
#define GDB_FR_CP0_REG12 ((GDB_FR_CP0_REG11) + 4) /* 86 */
#define GDB_FR_CP0_REG13 ((GDB_FR_CP0_REG12) + 4) /* 87 */
#define GDB_FR_CP0_REG14 ((GDB_FR_CP0_REG13) + 4) /* 88 */
#define GDB_FR_CP0_PRID ((GDB_FR_CP0_REG14) + 4) /* 89 */
#define GDB_FR_SIZE ((((GDB_FR_CP0_PRID) + 4) + (PTRSIZE-1)) & ~(PTRSIZE-1))
#ifndef _LANGUAGE_ASSEMBLY
/*
* This is the same as above, but for the high-level
* part of the GDB stub.
*/
struct gdb_regs {
/*
* Pad bytes for argument save space on the stack
* 20/40 Bytes for 32/64 bit code
*/
unsigned long pad0[5];
/*
* saved main processor registers
*/
long reg0, reg1, reg2, reg3, reg4, reg5, reg6, reg7;
long reg8, reg9, reg10, reg11, reg12, reg13, reg14, reg15;
long reg16, reg17, reg18, reg19, reg20, reg21, reg22, reg23;
long reg24, reg25, reg26, reg27, reg28, reg29, reg30, reg31;
/*
* Saved special registers
*/
long cp0_status;
long lo;
long hi;
long cp0_badvaddr;
long cp0_cause;
long cp0_epc;
/*
* Saved floating point registers
*/
long fpr0, fpr1, fpr2, fpr3, fpr4, fpr5, fpr6, fpr7;
long fpr8, fpr9, fpr10, fpr11, fpr12, fpr13, fpr14, fpr15;
long fpr16, fpr17, fpr18, fpr19, fpr20, fpr21, fpr22, fpr23;
long fpr24, fpr25, fpr26, fpr27, fpr28, fpr29, fpr30, fpr31;
long cp1_fsr;
long cp1_fir;
/*
* Frame pointer
*/
long frame_ptr;
long dummy; /* unused */
/*
* saved cp0 registers
*/
long cp0_index;
long cp0_random;
long cp0_entrylo0;
long cp0_entrylo1;
long cp0_context;
long cp0_pagemask;
long cp0_wired;
long cp0_reg7;
long cp0_reg8;
long cp0_reg9;
long cp0_entryhi;
long cp0_reg11;
long cp0_reg12;
long cp0_reg13;
long cp0_reg14;
long cp0_prid;
};
/*
* Prototypes
*/
void set_debug_traps(void);
#endif /* _LANGUAGE_ASSEMBLY */
#endif /* __ASM_MIPS_GDB_STUB_H */
