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e6929a1a32
* tparalocation.lochigh is now used to indicate if registerhigh
is used and what the type is
184 lines
6.7 KiB
PHP
184 lines
6.7 KiB
PHP
{
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$Id$
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Copyright (c) 1998-2000 by Florian Klaempfl and Peter Vreman
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Contains the basic declarations for the x86-64 architecture
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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{ This include file contains the basic declarations for the x86-64 architecture.
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}
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{*****************************************************************************
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Operand Sizes
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*****************************************************************************}
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type
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topsize = (S_NO,
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S_B,S_W,S_L,S_Q,S_BW,S_BL,S_WL,S_BQ,S_WQ,S_LQ,
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S_IS,S_IL,S_IQ,
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S_FS,S_FL,S_FX,S_FV,S_FXX,
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S_MD,
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S_NEAR,S_FAR,S_SHORT
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);
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{*****************************************************************************
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Registers
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*****************************************************************************}
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const
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{ Standard opcode string table (for each tasmop enumeration). The
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opcode strings should conform to the names as defined by the
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processor manufacturer.
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}
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std_op2str:op2strtable={$i x8664int.inc}
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{*****************************************************************************
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Constants
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*****************************************************************************}
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const
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c_countusableregsint = 4;
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{*****************************************************************************
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GDB Information
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*****************************************************************************}
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{# Register indexes for stabs information, when some
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parameters or variables are stored in registers.
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Taken from i386.c (dbx_register_map) and i386.h
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(FIXED_REGISTERS) from GCC 3.x source code
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}
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stab_regindex : array[tregisterindex] of shortint = (
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{$i r8664stab.inc}
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);
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{*****************************************************************************
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Default generic sizes
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*****************************************************************************}
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{ Defines the default address size for a processor, }
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OS_ADDR = OS_64;
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{ the natural int size for a processor, }
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OS_INT = OS_64;
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{ the maximum float size for a processor, }
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OS_FLOAT = OS_F80;
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{ the size of a vector register for a processor }
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OS_VECTOR = OS_M64;
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{*****************************************************************************
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Generic Register names
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*****************************************************************************}
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{# Stack pointer register }
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RS_STACK_POINTER_REG = RS_RSP;
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NR_STACK_POINTER_REG = NR_RSP;
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{# Frame pointer register }
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RS_FRAME_POINTER_REG = RS_RBP;
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NR_FRAME_POINTER_REG = NR_RBP;
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{ Register for addressing absolute data in a position independant way,
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such as in PIC code. The exact meaning is ABI specific. For
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further information look at GCC source : PIC_OFFSET_TABLE_REGNUM
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}
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NR_PIC_OFFSET_REG = NR_RBX;
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{ Results are returned in this register (both 32 and 64 bits }
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NR_FUNCTION_RETURN_REG = NR_RAX;
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RS_FUNCTION_RETURN_REG = RS_RAX;
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{ The value returned from a function is available in this register }
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NR_FUNCTION_RESULT_REG = NR_FUNCTION_RETURN_REG;
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RS_FUNCTION_RESULT_REG = RS_FUNCTION_RETURN_REG;
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{ WARNING: don't change to R_ST0!! See comments above implementation of }
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{ a_loadfpu* methods in rgcpu (JM) }
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NR_FPU_RESULT_REG = NR_ST;
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NR_MM_RESULT_REG = NR_MM0;
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{ Offset where the parent framepointer is pushed }
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PARENT_FRAMEPOINTER_OFFSET = 16;
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{*****************************************************************************
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GCC /ABI linking information
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*****************************************************************************}
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const
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{ Registers which must be saved when calling a routine declared as
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cppdecl, cdecl, stdcall, safecall, palmossyscall. The registers
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saved should be the ones as defined in the target ABI and / or GCC.
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This value can be deduced from the CALLED_USED_REGISTERS array in the
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GCC source.
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}
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saved_standard_registers : array[0..4] of tsuperregister = (RS_EBX,RS_R12,RS_R13,RS_R14,RS_R15);
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{ Required parameter alignment when calling a routine declared as
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stdcall and cdecl. The alignment value should be the one defined
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by GCC or the target ABI.
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The value of this constant is equal to the constant
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PARM_BOUNDARY / BITS_PER_UNIT in the GCC source.
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}
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std_param_align = 8;
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{
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$Log$
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Revision 1.13 2004-02-09 22:14:17 peter
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* more x86_64 parameter fixes
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* tparalocation.lochigh is now used to indicate if registerhigh
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is used and what the type is
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Revision 1.12 2004/02/05 18:28:37 peter
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* x86_64 fixes for opsize
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Revision 1.11 2004/01/15 13:57:58 florian
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* renamed instruction tables
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Revision 1.10 2004/01/14 23:39:05 florian
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* another bunch of x86-64 fixes mainly calling convention and
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assembler reader related
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Revision 1.9 2003/12/22 19:00:17 florian
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* fixed some x86-64 issues
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Revision 1.8 2003/09/25 13:13:32 florian
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* more x86-64 fixes
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Revision 1.7 2003/09/24 17:12:02 florian
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* several fixes for new reg allocator
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Revision 1.6 2003/06/03 13:01:59 daniel
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* Register allocator finished
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Revision 1.5 2003/05/31 15:05:28 peter
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* FUNCTION_RESULT64_LOW/HIGH_REG added for int64 results
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Revision 1.4 2003/05/30 23:57:08 peter
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* more sparc cleanup
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* accumulator removed, splitted in function_return_reg (called) and
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function_result_reg (caller)
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Revision 1.3 2003/04/30 15:45:35 florian
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* merged more x86-64/i386 code
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Revision 1.2 2002/04/25 16:12:09 florian
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* fixed more problems with cpubase and x86-64
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Revision 1.1 2003/04/25 11:12:09 florian
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* merged i386/cpubase and x86_64/cpubase to x86/cpubase;
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different stuff went to cpubase.inc
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}
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