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Annotation of gcc/tm-sun386i.h, revision 1.1.1.1

1.1       root        1: /* Definitions for Intel 386 running SunOS 4.0.
                      2:    Copyright (C) 1988 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GNU CC.
                      5: 
                      6: GNU CC is distributed in the hope that it will be useful,
                      7: but WITHOUT ANY WARRANTY.  No author or distributor
                      8: accepts responsibility to anyone for the consequences of using it
                      9: or for whether it serves any particular purpose or works at all,
                     10: unless he says so in writing.  Refer to the GNU CC General Public
                     11: License for full details.
                     12: 
                     13: Everyone is granted permission to copy, modify and redistribute
                     14: GNU CC, but only under the conditions described in the
                     15: GNU CC General Public License.   A copy of this license is
                     16: supposed to have been given to you along with GNU CC so you
                     17: can know your rights and responsibilities.  It should be in a
                     18: file named COPYING.  Among other things, the copyright notice
                     19: and this notice must be preserved on all copies.  */
                     20: 
                     21: 
                     22: #include "tm-i386.h"
                     23: 
                     24: /* Use the Sun assembler syntax.  */
                     25: 
                     26: #include "tm-sun386.h"
                     27: 
                     28: /* By default, target has a 80387.  */
                     29: 
                     30: #define TARGET_DEFAULT 1
                     31: 
                     32: /* Use crt0.o as a startup file.  */
                     33: 
                     34: #define STARTFILE_SPEC  \
                     35:   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
                     36: 
                     37: #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
                     38: 
                     39: /* Extra switches to give the assembler.  */
                     40: 
                     41: #define ASM_SPEC "-i386"
                     42: 
                     43: /* Specify predefined symbols in preprocessor.  */
                     44: 
                     45: #define CPP_PREDEFINES "-Dunix -Di386 -Dsun386"
                     46: 
                     47: /* Allow #ident and #sccs in preprocessor.  */
                     48: 
                     49: #define IDENT_DIRECTIVE
                     50: #define SCCS_DIRECTIVE
                     51: 
                     52: /* We don't want to output SDB debugging information.  */
                     53: 
                     54: #undef SDB_DEBUGGING_INFO
                     55: 
                     56: /* We want to output DBX debugging information.  */
                     57: 
                     58: #define DBX_DEBUGGING_INFO
                     59: 
                     60: /* Implicit library calls should use memcpy, not bcopy, etc.  */
                     61: 
                     62: #define TARGET_MEM_FUNCTIONS
                     63: 
                     64: 
                     65: /* Define how to find the value returned by a function.
                     66:    VALTYPE is the data type of the value (as a tree).
                     67:    If the precise function being called is known, FUNC is its FUNCTION_DECL;
                     68:    otherwise, FUNC is 0.  */
                     69: 
                     70: #define VALUE_REGNO(MODE) \
                     71:   (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
                     72: 
                     73: /* 1 if N is a possible register number for a function value. */
                     74: 
                     75: #define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
                     76: 
                     77: /* This is partly guess.  */
                     78: 
                     79: #undef DBX_REGISTER_NUMBER
                     80: #define DBX_REGISTER_NUMBER(n) \
                     81: ((n) == 1 ? 2 : (n) == 2 ? 1 : (n) < 8 ? (n) : 12)
                     82: 
                     83: /* Every debugger symbol must be in the text section.
                     84:    Otherwise the assembler or the linker screws up.  */
                     85: 
                     86: #define DEBUG_SYMS_TEXT

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