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1.1 root 1: /* Definitions of target machine for GNU compiler. ARM RISCiX version. 1.1.1.3 ! root 2: Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. 1.1 root 3: Contributed by Richard Earnshaw ([email protected]), based on original 4: work by Pieter `Tiggr' Schoenmakers ([email protected]) 5: and Martin Simmons (@harleqn.co.uk). 6: 7: This file is part of GNU CC. 8: 9: GNU CC is free software; you can redistribute it and/or modify 10: it under the terms of the GNU General Public License as published by 11: the Free Software Foundation; either version 2, or (at your option) 12: any later version. 13: 14: GNU CC is distributed in the hope that it will be useful, 15: but WITHOUT ANY WARRANTY; without even the implied warranty of 16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17: GNU General Public License for more details. 18: 19: You should have received a copy of the GNU General Public License 20: along with GNU CC; see the file COPYING. If not, write to 1.1.1.3 ! root 21: the Free Software Foundation, 59 Temple Place - Suite 330, ! 22: Boston, MA 02111-1307, USA. */ 1.1 root 23: 1.1.1.2 root 24: /* Translation to find startup files. On RISC iX boxes, 25: crt0, mcrt0 and gcrt0.o are in /usr/lib. */ 26: #define STARTFILE_SPEC "\ 27: %{pg:/usr/lib/gcrt0.o%s}\ 28: %{!pg:%{p:/usr/lib/mcrt0.o%s}\ 29: %{!p:/usr/lib/crt0.o%s}}" 30: 31: /* RISC iX has no concept of -lg */ 32: /* If -static is specified then link with -lc_n */ 33: 34: #ifndef LIB_SPEC 35: #define LIB_SPEC "\ 36: %{g*:-lg}\ 37: %{!p:%{!pg:%{!static:-lc}%{static:-lc_n}}}\ 38: %{p:-lc_p}\ 39: %{pg:-lc_p}" 40: #endif 41: 42: /* The RISC iX assembler never deletes any symbols from the object module; 43: and, by default, ld doesn't either. -X causes local symbols starting 44: with 'L' to be deleted, which is what we want. */ 45: #ifndef LINK_SPEC 46: #define LINK_SPEC "-X" 47: #endif 1.1 root 48: 49: #ifndef CPP_PREDEFINES 50: #define CPP_PREDEFINES \ 51: "-Darm -Driscix -Dunix -Asystem(unix) -Acpu(arm) -Amachine(arm)" 52: #endif 53: 54: #ifndef CPP_SPEC 55: #define CPP_SPEC "%{m6:-D__arm6__} \ 56: %{mbsd:%{pedantic:%e-mbsd and -pedantic incompatible} -D_BSD_C} \ 57: %{mxopen:%{mbsd:%e-mbsd and -mxopen incompatible} \ 58: %{pedantic:%e-mxopen and -pedantic incompatible} -D_XOPEN_C} \ 59: %{!mbsd:%{!mxopen:%{!ansi: -D_BSD_C}}}" 60: #endif 61: 1.1.1.3 ! root 62: /* RISCiX has some weird symbol name munging, that is done to the object module 1.1 root 63: after assembly, which enables multiple libraries to be supported within 64: one (possibly shared) library. It basically changes the symbol name of 65: certain symbols (for example _bcopy is converted to _$bcopy if using BSD) 66: Symrename's parameters are determined as follows: 67: -mno-symrename Don't run symrename 68: -mbsd symrename -BSD <file> 69: -mxopen symrename -XOPEN <file> 70: -ansi symrename - <file> 71: <none> symrename -BSD <file> 72: */ 73: 74: #ifndef ASM_FINAL_SPEC 1.1.1.2 root 75: #if !defined (CROSS_COMPILE) 1.1 root 76: #define ASM_FINAL_SPEC "\ 77: %{!mno-symrename: \ 78: \n /usr/bin/symrename \ 1.1.1.2 root 79: -%{mbsd:%{pedantic:%e-mbsd and -pedantic incompatible}BSD}\ 1.1 root 80: %{mxopen:%{mbsd:%e-mbsd and -mxopen incompatible}\ 1.1.1.2 root 81: %{pedantic:%e-mxopen and -pedantic incompatible}XOPEN}\ 1.1 root 82: %{!mbsd:%{!mxopen:%{!ansi:BSD}}} %{c:%{o*:%*}%{!o*:%b.o}}%{!c:%U.o}}" 83: #endif 84: #endif 85: 1.1.1.3 ! root 86: /* None of these is actually used in cc1. If we don't define them in target ! 87: switches cc1 complains about them. For the sake of argument lets allocate ! 88: bit 31 of target flags for such options. */ ! 89: #define SUBTARGET_SWITCHES \ 1.1 root 90: {"bsd", 0x80000000}, {"xopen", 0x80000000}, {"no-symrename", 0x80000000}, 91: 92: 93: /* Run-time Target Specification. */ 94: #define TARGET_VERSION \ 95: fputs (" (ARM/RISCiX)", stderr); 96: 97: /* This is used in ASM_FILE_START */ 98: #define ARM_OS_NAME "RISCiX" 99: 1.1.1.2 root 100: /* Unsigned chars produces much better code than signed. */ 1.1 root 101: #define DEFAULT_SIGNED_CHAR 0 102: 1.1.1.2 root 103: /* Define this if the target system supports the function atexit from the 1.1 root 104: ANSI C standard. If this is not defined, and INIT_SECTION_ASM_OP is not 105: defined, a default exit function will be provided to support C++. 106: The man page only describes on_exit, but atexit is also there. */ 107: #define HAVE_ATEXIT 1 1.1.1.2 root 108: 1.1 root 109: /* Some systems use __main in a way incompatible with its use in gcc, in these 110: cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to 111: give the same symbol without quotes for an alternative entry point. You 1.1.1.2 root 112: must define both, or neither. */ 1.1 root 113: #ifndef NAME__MAIN 114: #define NAME__MAIN "__gccmain" 115: #define SYMBOL__MAIN __gccmain 116: #endif 117: 1.1.1.2 root 118: /* size_t is "unsigned int" in RISCiX */ 119: #define SIZE_TYPE "unsigned int" 120: 121: /* ptrdiff_t is "int" in RISCiX */ 122: #define PTRDIFF_TYPE "int" 123: 124: /* Maths operation domain error number, EDOM */ 125: #define TARGET_EDOM 33 1.1 root 126: #include "arm/arm.h" 127: 128: /* The native RISCiX assembler does not support stabs of any kind; because 129: the native assembler is not used by the compiler, Acorn didn't feel it was 130: necessary to put them in! */ 131: 132: #ifdef DBX_DEBUGGING_INFO 133: #undef DBX_DEBUGGING_INFO 134: #endif
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