Open64: osprey/common/com/x8664/config

00001 /*
00002 
00003   Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.
00004 
00005   This program is free software; you can redistribute it and/or modify it
00006   under the terms of version 2 of the GNU General Public License as
00007   published by the Free Software Foundation.
00008 
00009   This program is distributed in the hope that it would be useful, but
00010   WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
00012 
00013   Further, this software is distributed without any warranty that it is
00014   free of the rightful claim of any third person regarding infringement 
00015   or the like.  Any license provided herein, whether implied or 
00016   otherwise, applies only to this software file.  Patent licenses, if 
00017   any, provided herein do not apply to combinations of this program with 
00018   other software, or any other product whatsoever.  
00019 
00020   You should have received a copy of the GNU General Public License along
00021   with this program; if not, write the Free Software Foundation, Inc., 59
00022   Temple Place - Suite 330, Boston MA 02111-1307, USA.
00023 
00024   Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
00025   Mountain View, CA 94043, or:
00026 
00027   http://www.sgi.com
00028 
00029   For further information regarding this notice, see:
00030 
00031   http://oss.sgi.com/projects/GenInfo/NoticeExplan
00032 
00033 */
00034 
00035 
00036 #ifndef config_asm_INCLUDED
00037 #define config_asm_INCLUDED
00038 #ifdef __cplusplus
00039 extern "C" {
00040 #endif
00041 
00042 /* ====================================================================
00043  * ====================================================================
00044  *
00045  * Module: config_asm.h
00046  * $Revision$
00047  * $Date$
00048  * $Author$
00049  * $Source$
00050  *
00051  * Revision history:
00052  *
00053  * Description:
00054  *
00055  * This file contains #defines which configure assembly code emission
00056  * to the current host assembler.  The intent is to isolate all
00057  * dependencies on the host's assembly language format and directives
00058  * here.
00059  *
00060  * ====================================================================
00061  * ====================================================================
00062  */
00063 
00064 
00065 #ifdef _KEEP_RCS_ID
00066 static char *config_asm_rcs_id = "$Source$ $Revision$";
00067 #endif /* _KEEP_RCS_ID */
00068 
00069 #define LABEL_PREFIX ".L"
00070 #define Label_Name_Separator "_"
00071 #define Temp_Symbol_Prefix Label_Name_Separator "temp" Label_Name_Separator
00072 
00073 /* to distinguish from register names: */
00074 #define Symbol_Name_Suffix ""
00075 
00076 /* The following sprintf format is used to create a basic block label
00077  * from the BB id and the PU name:
00078  * Add prefix .L so that gdb does not print out the labels.
00079  */
00080 #define BB_Label_Format ".LBB%d_%s"
00081 #define END_Label_Format ".LDWend_%s"
00082 
00083 /* The following sprintf format is used to create a basic block label
00084  * from a user label name and the PU name:
00085  */
00086 #define User_Label_Format ".L_%s_%s"
00087 #define User_Label_Number_Format  ".L_%d_%d_%s"
00088 
00089 /* The following sprintf format is used to create the magic label for
00090  * the common return point (if Only_1_Exit_Point is TRUE).
00091  */
00092 #define Ret_Block_Label_Format  ".RET_%s"
00093 
00094 /* The following sprintf format to ensure correct alignment of
00095  * entry points:
00096  */
00097 #define Entry_Point_Alignment_Format  "\t.align\t4\n"
00098 
00099 /* The following sprintf formats define the mapping of objects in
00100  * various storage classes to the assembly code and symbol table
00101  * (naming) conventions of the target:
00102  *  Fortran:
00103  *    INTEGER X, Y
00104  *    COMMON /CBLOCK/ X, Y
00105  *        =>  loadd _cblock$,f0   -- load X
00106  *      loadd _cblock$+8,f1   -- load Y
00107  *
00108  *    CALL SUB()
00109  *        =>  call  sp,_sub_
00110  *
00111  * The Intrnisic_Proc_Format describes a modification to intrinsic
00112  * procedure names, allowing an easy way of describing intrinsic
00113  * naming conventions.  Our convention: Intrinsic functions have
00114  * an underscore, '_', prepended to their names, so this format is
00115  * "_%s".  Note that the processing by Intrinsic_Proc_Format is done
00116  * at compiler-build time (by the program "mkintr.x").
00117  *
00118  * Note also that the Ftn_Extern_Proc_Format is *not* applied to
00119  * intrinsic functions, even though they are external procedures.
00120  *
00121  * There are some language-specific things here.  For example, the
00122  * naming convention for Fortran functions is not the same as the
00123  * naming convention for C functions.  Consequently, there are two
00124  * formats for external procedure names:
00125  *  Ftn_Extern_Proc_Format
00126  *  C_Extern_Proc_Format
00127  */
00128 #define Intrinsic_Proc_Format "%s"     /* eg: "_exp"              */
00129 #define Ftn_Extern_Data_Format  "%s_"    /* eg: "cblock_"          */
00130 #define C_Extern_Data_Format  "%s"     /* eg: "extrn"       */
00131 #define Ftn_Extern_Proc_Format  "%s_"    /* eg: "sub_"             */
00132 #define C_Extern_Proc_Format  "%s"     /* eg: "sub"              */
00133 #define C_Global_Static_Format  "GS.%s"    /* statics in global scope */
00134 #define C_Local_Static_Format "LS.%1d.%s"/* statics in local scope  */
00135 #define Deferred_Ref_Format "%s"     /* eg: "name"              */
00136 #define Deferred_Ref_Ofst_Format "%s%c%d"  /* eg: "name" '-' offset   */
00137 #define Local_Ret_Buf_Format  "%s.RBUF"  /* eg: "func.RBUF"         */
00138 
00139 #define DFLT_FTN_MAIN   "MAIN"
00140 #define DFLT_FTN_LOWMAIN  "main"
00141 #define BLANK_COM_NAME    "_BLNK__"
00142 #define RDATA_RAW_NAME    ".rdata"
00143 #define SDATA_RAW_NAME    ".sdata"
00144 #define DATA_RAW_NAME   ".data"
00145 #define GOT_RAW_NAME    ".got"
00146 #define BSS_RAW_NAME    ".bss"
00147 #define LIT4_RAW_NAME   ".lit4"
00148 #define LIT8_RAW_NAME   ".lit8"
00149 #define LIT16_RAW_NAME    ".lit16"
00150 
00151 #define ASM_CMNT_LINE   " #"  /* use for whole line comments */
00152 #define ASM_CMNT    "#" /* other than whole line comments */
00153 
00154 #define AS_STOP_BIT   NULL
00155 
00156 /* Defines for assembly directives */
00157 #define AS_ALIGN  ".align"
00158 #define AS_BYTE   ".byte"
00159 #define AS_COM    ".comm"
00160 #define AS_DATA   ".data"
00161 #define AS_DOUBLE   ".double"
00162 #define AS_DWORD  ".quad"
00163 #define AS_DWORD_UNALIGNED ".quad"
00164 #define AS_DYNSYM NULL
00165 #define AS_END    NULL
00166 #define AS_ENT    NULL
00167 #define AS_AENT   "# .aproc"
00168 #define AS_FLOAT  ".float"
00169 #define AS_FILE   ".file"
00170 #define AS_FMASK  ".fmask"
00171 #define AS_FRAME  "# .frame"
00172 #define AS_GLOBAL   ".globl"
00173 #define AS_GPVALUE  ".gpvalue"
00174 #define AS_HALF   ".short"
00175 #define AS_HALF_UNALIGNED ".short"
00176 #define AS_BSS    ".lcomm"
00177 #define AS_MASK   "//.mask"
00178 #define AS_ORIGIN ".org"
00179 #define AS_RDATA  ".rdata"
00180 #define AS_SDATA  ".sdata"
00181 #define AS_SECTION  ".section"
00182 #define AS_SIZE         ".size"
00183 #if defined(BUILD_OS_DARWIN)
00184 #define AS_SPACE  ".space"
00185 #define AS_STRING ".asciz"
00186 #else /* defined(BUILD_OS_DARWIN) */
00187 #define AS_SPACE  ".skip"
00188 #define AS_STRING ".string"
00189 #endif /* defined(BUILD_OS_DARWIN) */
00190 #define AS_TEXT   ".text"
00191 #define AS_TYPE         ".type"
00192 #define AS_TYPE_FUNC  "@function"
00193 #define AS_TYPE_OBJECT  "@object"
00194 #define AS_WEAK   ".weak"
00195 #if defined(BUILD_OS_DARWIN)
00196 #define AS_WORD   ".long"
00197 #define AS_WORD_UNALIGNED ".long" 
00198 #else /* defined(BUILD_OS_DARWIN) */
00199 #define AS_WORD   ".4byte"
00200 #define AS_WORD_UNALIGNED ".4byte" 
00201 #endif /* defined(BUILD_OS_DARWIN) */
00202 #define AS_IDENT  "#ident" /* Make this ASM_CMNT_START if no ident */
00203 #define AS_HIDDEN ".hidden"
00204 
00205 extern BOOL CG_emit_non_gas_syntax;
00206 
00207 /* The directive for emitting an address depends on the target pointer
00208  * size.  The following is defined and initialized in config_targ.c:
00209  */
00210 extern const char *AS_ADDRESS;
00211 extern const char *AS_ADDRESS_UNALIGNED;
00212 
00213 /* Defines for emission of special relocations */
00214 #define AS_GPREL  NULL
00215 #define AS_LTOFF  NULL
00216 #define AS_FPTR   NULL
00217 #define AS_GP_REL NULL
00218 #define AS_NEGATE NULL
00219 
00220 /* A printf format for emitting a function of an external name, where
00221  * the function is typically given by one of the above kind symbols:
00222  */
00223 #define ASM_NAME_FUNC(kind,name)  "%s(%s)", kind, name
00224 #define ASM_DIR_NOTRANSFORM()           ; /* no equivalent */
00225 #define ASM_DIR_TRANSFORM()             ; /* no equivalent */
00226 #define ASM_DIR_NOREORDER()             ; /* no equivalent */
00227 #define ASM_DIR_NOAT()                  ; /* no equivalent */
00228 #define ASM_DIR_STOINTERNAL(n)          ; /* no equivalent */
00229 #define ASM_DIR_GPVALUE()           ; /* no equivalent */
00230 #define ASM_DIR_FILE(count, file, name) \
00231   fprintf(Asm_File, "\t%s\t\"%s/%s\"\n",  AS_FILE, incl_table[DST_FILE_NAME_dir(file)], name);
00232 #define ASM_DIR_ALIGN(p, s)    \
00233   fprintf(Asm_File, "\t%s %lld\n", AS_ALIGN,(INT64)STB_align(s));
00234 
00235 /* gas .skip fills with zeroes */
00236 #define ASM_DIR_ZERO(fl, l) fprintf(fl, "\t%s %lld\n", AS_SPACE, (INT64)l) 
00237 #define ASM_DIR_SKIP(fl, l)   fprintf(fl, "\t%s %lld\n", AS_SPACE, (INT64)l)
00238   
00239 #ifdef __cplusplus
00240 }
00241 #endif
00242 #endif /* config_asm_INCLUDED */
osprey/common/com/x8664/config_asm.h
