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Diffstat (limited to 'gdb/config/i386/tm-symmetry.h')
| -rw-r--r-- | gdb/config/i386/tm-symmetry.h | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/gdb/config/i386/tm-symmetry.h b/gdb/config/i386/tm-symmetry.h deleted file mode 100644 index 11931d4..0000000 --- a/gdb/config/i386/tm-symmetry.h +++ /dev/null @@ -1,321 +0,0 @@ -/* Target machine definitions for GDB on a Sequent Symmetry under dynix 3.0, - with Weitek 1167 and i387 support. - Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994 - Free Software Foundation, Inc. - Symmetry version by Jay Vosburgh (fubar@sequent.com). - -This file is part of GDB. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef TM_SYMMETRY_H -#define TM_SYMMETRY_H 1 - -/* I don't know if this will work for cross-debugging, even if you do get - a copy of the right include file. */ -#include <machine/reg.h> - -#include "i386/tm-i386v.h" - -#undef START_INFERIOR_TRAPS_EXPECTED -#define START_INFERIOR_TRAPS_EXPECTED 2 - -/* Amount PC must be decremented by after a breakpoint. This is often the - number of bytes in BREAKPOINT but not always (such as now). */ - -#undef DECR_PC_AFTER_BREAK -#define DECR_PC_AFTER_BREAK 0 - -#if 0 -/* --- this code can't be used unless we know we are running native, - since it uses host specific ptrace calls. */ -/* code for 80387 fpu. Functions are from i386-dep.c, copied into - * symm-dep.c. - */ -#define FLOAT_INFO { i386_float_info(); } -#endif - -/* Number of machine registers */ - -#undef NUM_REGS -#define NUM_REGS 49 - -/* Initializer for an array of names of registers. - There should be NUM_REGS strings in this initializer. */ - -/* Initializer for an array of names of registers. There should be at least - NUM_REGS strings in this initializer. Any excess ones are simply ignored. - Symmetry registers are in this weird order to match the register numbers - in the symbol table entries. If you change the order, things will probably - break mysteriously for no apparent reason. Also note that the st(0)... - st(7) 387 registers are represented as st0...st7. */ - -#undef REGISTER_NAMES -#define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \ - "ebx", "esi", "edi", "st2", "st3", \ - "st4", "st5", "st6", "st7", "esp", \ - "ebp", "eip", "eflags","fp1", "fp2", \ - "fp3", "fp4", "fp5", "fp6", "fp7", \ - "fp8", "fp9", "fp10", "fp11", "fp12", \ - "fp13", "fp14", "fp15", "fp16", "fp17", \ - "fp18", "fp19", "fp20", "fp21", "fp22", \ - "fp23", "fp24", "fp25", "fp26", "fp27", \ - "fp28", "fp29", "fp30", "fp31" } - -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - to be actual register numbers as far as the user is concerned - but do serve to get the desired values when passed to read_register. */ - -#define EAX_REGNUM 0 -#define EDX_REGNUM 1 -#define ECX_REGNUM 2 -#define ST0_REGNUM 3 -#define ST1_REGNUM 4 -#define EBX_REGNUM 5 -#define ESI_REGNUM 6 -#define EDI_REGNUM 7 -#define ST2_REGNUM 8 -#define ST3_REGNUM 9 - -#define ST4_REGNUM 10 -#define ST5_REGNUM 11 -#define ST6_REGNUM 12 -#define ST7_REGNUM 13 - -#define FP1_REGNUM 18 /* first 1167 register */ -/* Get %fp2 - %fp31 by addition, since they are contiguous */ - -#undef SP_REGNUM -#define SP_REGNUM 14 /* (usp) Contains address of top of stack */ -#define ESP_REGNUM 14 -#undef FP_REGNUM -#define FP_REGNUM 15 /* (ebp) Contains address of executing stack frame */ -#define EBP_REGNUM 15 -#undef PC_REGNUM -#define PC_REGNUM 16 /* (eip) Contains program counter */ -#define EIP_REGNUM 16 -#undef PS_REGNUM -#define PS_REGNUM 17 /* (ps) Contains processor status */ -#define EFLAGS_REGNUM 17 - -/* - * Following macro translates i386 opcode register numbers to Symmetry - * register numbers. This is used by i386_frame_find_saved_regs. - * - * %eax %ecx %edx %ebx %esp %ebp %esi %edi - * i386 0 1 2 3 4 5 6 7 - * Symmetry 0 2 1 5 14 15 6 7 - * - */ -#define I386_REGNO_TO_SYMMETRY(n) \ -((n)==0?0 :(n)==1?2 :(n)==2?1 :(n)==3?5 :(n)==4?14 :(n)==5?15 :(n)) - -/* The magic numbers below are offsets into u_ar0 in the user struct. - * They live in <machine/reg.h>. Gdb calls this macro with blockend - * holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are - * saved in the u area (along with a few others that aren't useful - * here. See <machine/reg.h>). - */ - -#define REGISTER_U_ADDR(addr, blockend, regno) \ -{ struct user foo; /* needed for finding fpu regs */ \ -switch (regno) { \ - case 0: \ - addr = blockend + EAX * sizeof(int); break; \ - case 1: \ - addr = blockend + EDX * sizeof(int); break; \ - case 2: \ - addr = blockend + ECX * sizeof(int); break; \ - case 3: /* st(0) */ \ - addr = ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \ - break; \ - case 4: /* st(1) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \ - break; \ - case 5: \ - addr = blockend + EBX * sizeof(int); break; \ - case 6: \ - addr = blockend + ESI * sizeof(int); break; \ - case 7: \ - addr = blockend + EDI * sizeof(int); break; \ - case 8: /* st(2) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \ - break; \ - case 9: /* st(3) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \ - break; \ - case 10: /* st(4) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \ - break; \ - case 11: /* st(5) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \ - break; \ - case 12: /* st(6) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \ - break; \ - case 13: /* st(7) */ \ - addr = ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \ - break; \ - case 14: \ - addr = blockend + ESP * sizeof(int); break; \ - case 15: \ - addr = blockend + EBP * sizeof(int); break; \ - case 16: \ - addr = blockend + EIP * sizeof(int); break; \ - case 17: \ - addr = blockend + FLAGS * sizeof(int); break; \ - case 18: /* fp1 */ \ - case 19: /* fp2 */ \ - case 20: /* fp3 */ \ - case 21: /* fp4 */ \ - case 22: /* fp5 */ \ - case 23: /* fp6 */ \ - case 24: /* fp7 */ \ - case 25: /* fp8 */ \ - case 26: /* fp9 */ \ - case 27: /* fp10 */ \ - case 28: /* fp11 */ \ - case 29: /* fp12 */ \ - case 30: /* fp13 */ \ - case 31: /* fp14 */ \ - case 32: /* fp15 */ \ - case 33: /* fp16 */ \ - case 34: /* fp17 */ \ - case 35: /* fp18 */ \ - case 36: /* fp19 */ \ - case 37: /* fp20 */ \ - case 38: /* fp21 */ \ - case 39: /* fp22 */ \ - case 40: /* fp23 */ \ - case 41: /* fp24 */ \ - case 42: /* fp25 */ \ - case 43: /* fp26 */ \ - case 44: /* fp27 */ \ - case 45: /* fp28 */ \ - case 46: /* fp29 */ \ - case 47: /* fp30 */ \ - case 48: /* fp31 */ \ - addr = ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \ - } \ -} - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. 10 i*86 registers, 8 i387 - registers, and 31 Weitek 1167 registers */ - -#undef REGISTER_BYTES -#define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4)) - -/* Index within `registers' of the first byte of the space for - register N. */ - -#undef REGISTER_BYTE -#define REGISTER_BYTE(N) \ -(((N) < 3) ? ((N) * 4) : \ -((N) < 5) ? ((((N) - 2) * 10) + 2) : \ -((N) < 8) ? ((((N) - 5) * 4) + 32) : \ -((N) < 14) ? ((((N) - 8) * 10) + 44) : \ - ((((N) - 14) * 4) + 104)) - -/* Number of bytes of storage in the actual machine representation - * for register N. All registers are 4 bytes, except 387 st(0) - st(7), - * which are 80 bits each. - */ - -#undef REGISTER_RAW_SIZE -#define REGISTER_RAW_SIZE(N) \ -(((N) < 3) ? 4 : \ -((N) < 5) ? 10 : \ -((N) < 8) ? 4 : \ -((N) < 14) ? 10 : \ - 4) - -/* Nonzero if register N requires conversion - from raw format to virtual format. */ - -#undef REGISTER_CONVERTIBLE -#define REGISTER_CONVERTIBLE(N) \ -(((N) < 3) ? 0 : \ -((N) < 5) ? 1 : \ -((N) < 8) ? 0 : \ -((N) < 14) ? 1 : \ - 0) - -#include "floatformat.h" - -/* Convert data from raw format for register REGNUM in buffer FROM - to virtual format with type TYPE in buffer TO. */ - -#undef REGISTER_CONVERT_TO_VIRTUAL -#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \ -{ \ - double val; \ - floatformat_to_double (&floatformat_i387_ext, (FROM), &val); \ - store_floating ((TO), TYPE_LENGTH (TYPE), val); \ -} - -/* Convert data from virtual format with type TYPE in buffer FROM - to raw format for register REGNUM in buffer TO. */ - -#undef REGISTER_CONVERT_TO_RAW -#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \ -{ \ - double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \ - floatformat_from_double (&floatformat_i387_ext, &val, (TO)); \ -} - -/* Return the GDB type object for the "standard" data type - of data in register N. */ - -#undef REGISTER_VIRTUAL_TYPE -#define REGISTER_VIRTUAL_TYPE(N) \ -((N < 3) ? builtin_type_int : \ -(N < 5) ? builtin_type_double : \ -(N < 8) ? builtin_type_int : \ -(N < 14) ? builtin_type_double : \ - builtin_type_int) - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function. - Native cc passes the address in eax, gcc (up to version 2.5.8) - passes it on the stack. gcc should be fixed in future versions to - adopt native cc conventions. */ - -#undef STORE_STRUCT_RETURN -#define STORE_STRUCT_RETURN(ADDR, SP) write_register(0, (ADDR)) - -/* Extract from an array REGBUF containing the (raw) register state - a function return value of type TYPE, and copy that, in virtual format, - into VALBUF. */ - -#undef EXTRACT_RETURN_VALUE -#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - symmetry_extract_return_value(TYPE, REGBUF, VALBUF) - -/* The following redefines make backtracing through sigtramp work. - They manufacture a fake sigtramp frame and obtain the saved pc in sigtramp - from the sigcontext structure which is pushed by the kernel on the - user stack, along with a pointer to it. */ - -#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigcode", name)) - -/* Offset to saved PC in sigcontext, from <signal.h>. */ -#define SIGCONTEXT_PC_OFFSET 16 - -#endif /* ifndef TM_SYMMETRY_H */ - |