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1.1 ! root 1: /* Definitions of target machine for GNU compiler. Sun 68000/68020 version. ! 2: Copyright (C) 1987, 1988, 1993 Free Software Foundation, Inc. ! 3: ! 4: This file is part of GNU CC. ! 5: ! 6: GNU CC is free software; you can redistribute it and/or modify ! 7: it under the terms of the GNU General Public License as published by ! 8: the Free Software Foundation; either version 2, or (at your option) ! 9: any later version. ! 10: ! 11: GNU CC is distributed in the hope that it will be useful, ! 12: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 14: GNU General Public License for more details. ! 15: ! 16: You should have received a copy of the GNU General Public License ! 17: along with GNU CC; see the file COPYING. If not, write to ! 18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 19: ! 20: /* This comment is here to see if it will keep Sun's cpp from dying. */ ! 21: ! 22: /* If you do not need to generate floating point code for the optional ! 23: Sun FPA board, you can safely comment out the SUPPORT_SUN_FPA define ! 24: to gain a little speed and code size. */ ! 25: ! 26: #define SUPPORT_SUN_FPA ! 27: ! 28: #include "m68k/m68k.h" ! 29: ! 30: /* See m68k.h. 7 means 68020 with 68881. */ ! 31: ! 32: #ifndef TARGET_DEFAULT ! 33: #define TARGET_DEFAULT 7 ! 34: #endif ! 35: ! 36: /* Define __HAVE_FPA__ or __HAVE_68881__ in preprocessor, ! 37: according to the -m flags. ! 38: This will control the use of inline 68881 insns in certain macros. ! 39: Also inform the program which CPU this is for. */ ! 40: ! 41: #if TARGET_DEFAULT & 02 ! 42: ! 43: /* -m68881 is the default */ ! 44: #define CPP_SPEC \ ! 45: "%{!msoft-float:%{mfpa:-D__HAVE_FPA__ }%{!mfpa:-D__HAVE_68881__ }}\ ! 46: %{m68000:-D__mc68010__}%{mc68000:-D__mc68010__}%{!mc68000:%{!m68000:-D__mc68020__}} \ ! 47: %{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}" ! 48: ! 49: #else ! 50: ! 51: /* -msoft-float is the default */ ! 52: #define CPP_SPEC \ ! 53: "%{m68881:-D__HAVE_68881__ }%{mfpa:-D__HAVE_FPA__ }\ ! 54: %{m68000:-D__mc68010__}%{mc68000:-D__mc68010__}%{!mc68000:%{!m68000:-D__mc68020__}} \ ! 55: %{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}" ! 56: ! 57: #endif ! 58: ! 59: /* Prevent error on `-sun3' and `-target sun3' options. */ ! 60: ! 61: #define CC1_SPEC "%{sun3:} %{target:}" ! 62: ! 63: #define PTRDIFF_TYPE "int" ! 64: ! 65: /* We must override m68k.h. */ ! 66: #undef WCHAR_TYPE ! 67: #undef WCHAR_TYPE_SIZE ! 68: #define WCHAR_TYPE "short unsigned int" ! 69: #define WCHAR_TYPE_SIZE 16 ! 70: ! 71: /* These compiler options take an argument. We ignore -target for now. */ ! 72: ! 73: #define WORD_SWITCH_TAKES_ARG(STR) \ ! 74: (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ ! 75: || !strcmp (STR, "target") || !strcmp (STR, "assert")) ! 76: ! 77: /* -m68000 requires special flags to the assembler. */ ! 78: ! 79: #define ASM_SPEC \ ! 80: "%{m68000:-mc68010}%{mc68000:-mc68010}%{!mc68000:%{!m68000:-mc68020}} \ ! 81: %{fpic:-k} %{fPIC:-k}" ! 82: ! 83: /* Names to predefine in the preprocessor for this target machine. */ ! 84: /* For a while, -D_CROSS_TARGET_ARCH=SUN3 was included here, ! 85: but it doesn't work, partly because SUN3 etc. aren't defined ! 86: (and shouldn't be). It seems that on a native compiler _CROSS_TARGET_ARCH ! 87: should not be defined. For cross compilers, let's do things as we ! 88: normally do in GCC. -- rms. */ ! 89: ! 90: #define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix -Asystem(unix) -Asystem(bsd) -Acpu(m68k) -Amachine(m68k)" ! 91: ! 92: /* STARTFILE_SPEC to include sun floating point initialization ! 93: This is necessary (tr: Sun does it) for both the m68881 and the fpa ! 94: routines. ! 95: Note that includes knowledge of the default specs for gcc, ie. no ! 96: args translates to the same effect as -m68881 ! 97: I'm not sure what would happen below if people gave contradictory ! 98: arguments (eg. -msoft-float -mfpa) */ ! 99: ! 100: #if TARGET_DEFAULT & 0100 ! 101: /* -mfpa is the default */ ! 102: #define STARTFILE_SPEC \ ! 103: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \ ! 104: %{m68881:Mcrt1.o%s} \ ! 105: %{msoft-float:Fcrt1.o%s} \ ! 106: %{!m68881:%{!msoft-float:Wcrt1.o%s}}" ! 107: #else ! 108: #if TARGET_DEFAULT & 2 ! 109: /* -m68881 is the default */ ! 110: #define STARTFILE_SPEC \ ! 111: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \ ! 112: %{mfpa:Wcrt1.o%s} \ ! 113: %{msoft-float:Fcrt1.o%s} \ ! 114: %{!mfpa:%{!msoft-float:Mcrt1.o%s}}" ! 115: #else ! 116: /* -msoft-float is the default */ ! 117: #define STARTFILE_SPEC \ ! 118: "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} \ ! 119: %{m68881:Mcrt1.o%s} \ ! 120: %{mfpa:Wcrt1.o%s} \ ! 121: %{!m68881:%{!mfpa:Fcrt1.o%s}}" ! 122: #endif ! 123: #endif ! 124: ! 125: /* Specify library to handle `-a' basic block profiling. ! 126: Control choice of libm.a (if user says -lm) ! 127: based on fp arith default and options. */ ! 128: ! 129: #if TARGET_DEFAULT & 0100 ! 130: /* -mfpa is the default */ ! 131: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \ ! 132: %{a:/usr/lib/bb_link.o} %{g:-lg} \ ! 133: %{msoft-float:-L/usr/lib/fsoft}%{m68881:-L/usr/lib/f68881}\ ! 134: %{!msoft_float:%{!m68881:-L/usr/lib/ffpa}}" ! 135: #else ! 136: #if TARGET_DEFAULT & 2 ! 137: /* -m68881 is the default */ ! 138: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \ ! 139: %{a:/usr/lib/bb_link.o} %{g:-lg} \ ! 140: %{msoft-float:-L/usr/lib/fsoft}%{!msoft-float:%{!mfpa:-L/usr/lib/f68881}}\ ! 141: %{mfpa:-L/usr/lib/ffpa}" ! 142: #else ! 143: /* -msoft-float is the default */ ! 144: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \ ! 145: %{a:/usr/lib/bb_link.o} %{g:-lg} \ ! 146: %{!m68881:%{!mfpa:-L/usr/lib/fsoft}}%{m68881:-L/usr/lib/f68881}\ ! 147: %{mfpa:-L/usr/lib/ffpa}" ! 148: #endif ! 149: #endif ! 150: ! 151: /* Provide required defaults for linker -e and -d switches. */ ! 152: ! 153: #define LINK_SPEC \ ! 154: "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}" ! 155: ! 156: /* Every structure or union's size must be a multiple of 2 bytes. */ ! 157: ! 158: #define STRUCTURE_SIZE_BOUNDARY 16 ! 159: ! 160: /* This is BSD, so it wants DBX format. */ ! 161: ! 162: #define DBX_DEBUGGING_INFO ! 163: ! 164: /* Allow folding division by zero. */ ! 165: #define REAL_INFINITY ! 166: ! 167: /* Generate calls to memcpy, memcmp and memset. */ ! 168: #define TARGET_MEM_FUNCTIONS ! 169: ! 170: /* This is not a good idea. It prevents interoperation between ! 171: files compiled with -m68881 and those compiled with -msoft-float. */ ! 172: #if 0 ! 173: #define FUNCTION_VALUEX(MODE) \ ! 174: gen_rtx (REG, (MODE), \ ! 175: ((TARGET_68881 \ ! 176: && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \ ! 177: ? 16 : 0)) ! 178: ! 179: #undef FUNCTION_VALUE ! 180: #define FUNCTION_VALUE(VALTYPE,FUNC) FUNCTION_VALUEX (TYPE_MODE (VALTYPE)) ! 181: #endif /* 0 */ ! 182: ! 183: /* This is how to output an assembler line defining a `double' constant. */ ! 184: ! 185: #undef ASM_OUTPUT_DOUBLE ! 186: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ ! 187: { \ ! 188: if (REAL_VALUE_ISINF (VALUE)) \ ! 189: { \ ! 190: if (REAL_VALUE_NEGATIVE (VALUE)) \ ! 191: fprintf (FILE, "\t.double 0r-99e999\n"); \ ! 192: else \ ! 193: fprintf (FILE, "\t.double 0r99e999\n"); \ ! 194: } \ ! 195: else if (REAL_VALUE_ISNAN (VALUE)) \ ! 196: { long l[2]; \ ! 197: REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), l); \ ! 198: fprintf (FILE, "\t.long 0x%lx\n\t.long 0x%lx\n", l[0], l[1]); \ ! 199: } \ ! 200: else \ ! 201: { char dstr[30]; \ ! 202: REAL_VALUE_TO_DECIMAL ((VALUE), "%.17g", dstr); \ ! 203: fprintf (FILE, "\t.double 0r%s\n", dstr); \ ! 204: } \ ! 205: } ! 206: ! 207: /* This is how to output an assembler line defining a `float' constant. */ ! 208: ! 209: #undef ASM_OUTPUT_FLOAT ! 210: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \ ! 211: { \ ! 212: if (REAL_VALUE_ISINF (VALUE)) \ ! 213: { \ ! 214: if (REAL_VALUE_NEGATIVE (VALUE)) \ ! 215: fprintf (FILE, "\t.single 0r-99e999\n"); \ ! 216: else \ ! 217: fprintf (FILE, "\t.single 0r99e999\n"); \ ! 218: } \ ! 219: else if (REAL_VALUE_ISNAN (VALUE)) \ ! 220: { long l; \ ! 221: REAL_VALUE_TO_TARGET_SINGLE ((VALUE), l); \ ! 222: fprintf (FILE, "\t.long 0x%lx\n", l); \ ! 223: } \ ! 224: else \ ! 225: { char dstr[30]; \ ! 226: REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr); \ ! 227: fprintf (FILE, "\t.single 0r%s\n", dstr); \ ! 228: } \ ! 229: } ! 230: ! 231: /* This is how to output an assembler lines defining floating operands. ! 232: There's no way to output a NaN's fraction, so we lose it. */ ! 233: ! 234: #undef ASM_OUTPUT_FLOAT_OPERAND ! 235: #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \ ! 236: do { \ ! 237: if (CODE != 'f') \ ! 238: { \ ! 239: long l; \ ! 240: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ ! 241: if (sizeof (int) == sizeof (long)) \ ! 242: asm_fprintf ((FILE), "%I0x%x", l); \ ! 243: else \ ! 244: asm_fprintf ((FILE), "%I0x%lx", l); \ ! 245: } \ ! 246: else if (REAL_VALUE_ISINF (VALUE)) \ ! 247: { \ ! 248: if (REAL_VALUE_NEGATIVE (VALUE)) \ ! 249: asm_fprintf (FILE, "%I0r-99e999"); \ ! 250: else \ ! 251: asm_fprintf (FILE, "%I0r99e999"); \ ! 252: } \ ! 253: else if (REAL_VALUE_MINUS_ZERO (VALUE)) \ ! 254: { \ ! 255: asm_fprintf (FILE, "%I0r-0.0"); \ ! 256: } \ ! 257: else \ ! 258: { char dstr[30]; \ ! 259: REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr); \ ! 260: asm_fprintf (FILE, "%I0r%s", dstr); \ ! 261: } \ ! 262: } while (0) ! 263: ! 264: #undef ASM_OUTPUT_DOUBLE_OPERAND ! 265: #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \ ! 266: do { if (REAL_VALUE_ISINF (VALUE)) \ ! 267: { \ ! 268: if (REAL_VALUE_NEGATIVE (VALUE)) \ ! 269: asm_fprintf (FILE, "%I0r-99e999"); \ ! 270: else \ ! 271: asm_fprintf (FILE, "%I0r99e999"); \ ! 272: } \ ! 273: else if (REAL_VALUE_MINUS_ZERO (VALUE)) \ ! 274: { \ ! 275: asm_fprintf (FILE, "%I0r-0.0"); \ ! 276: } \ ! 277: else \ ! 278: { char dstr[30]; \ ! 279: REAL_VALUE_TO_DECIMAL ((VALUE), "%.17g", dstr); \ ! 280: asm_fprintf (FILE, "%I0r%s", dstr); \ ! 281: } \ ! 282: } while (0) ! 283: ! 284: #undef BLOCK_PROFILER_CODE ! 285: #define BLOCK_PROFILER_CODE \ ! 286: extern int ___tcov_init; \ ! 287: \ ! 288: __bb_init_func (blocks) \ ! 289: struct bb *blocks; \ ! 290: { \ ! 291: if (! ___tcov_init) \ ! 292: ___tcov_init_func (); \ ! 293: \ ! 294: ___bb_link (blocks->filename, blocks->counts, blocks->ncounts); \ ! 295: }
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