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1.1.1.2 ! root 1: /* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 ! 2: Copyright 1992 Free Software Foundation, Inc. ! 3: Contributed by Ron Guilmette ([email protected]) and ! 4: David V. Henkel-Wallace ([email protected]). 1.1 root 5: 6: This file is part of GNU CC. 7: 8: GNU CC is free software; you can redistribute it and/or modify 9: it under the terms of the GNU General Public License as published by 10: the Free Software Foundation; either version 2, or (at your option) 11: any later version. 12: 13: GNU CC is distributed in the hope that it will be useful, 14: but WITHOUT ANY WARRANTY; without even the implied warranty of 15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16: GNU General Public License for more details. 17: 18: You should have received a copy of the GNU General Public License 19: along with GNU CC; see the file COPYING. If not, write to 20: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 21: 1.1.1.2 ! root 22: /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ 1.1 root 23: #include "sparcv4.h" 24: 1.1.1.2 ! root 25: #undef CPP_PREDEFINES ! 26: #define CPP_PREDEFINES \ ! 27: "-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)" ! 28: ! 29: /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). ! 30: It's safe to pass -s always, even if -g is not used. */ ! 31: #undef ASM_SPEC ! 32: #define ASM_SPEC \ ! 33: "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ ! 34: %{fpic:-K PIC} %{fPIC:-K PIC}" ! 35: ! 36: /* However it appears that Solaris 2.0 uses the same reg numbering as ! 37: the old BSD-style system did. */ ! 38: ! 39: #undef DBX_REGISTER_NUMBER ! 40: /* Same as sparc.h */ ! 41: #define DBX_REGISTER_NUMBER(REGNO) (REGNO) 1.1 root 42: 1.1.1.2 ! root 43: /* We use stabs-in-elf for debugging, because that is what the native ! 44: toolchain uses. */ 1.1 root 45: #define DBX_DEBUGGING_INFO 1.1.1.2 ! root 46: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG ! 47: ! 48: #define DBX_BLOCKS_FUNCTION_RELATIVE 1 ! 49: ! 50: /* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't ! 51: see it. Furthermore, since GDB reads the input piecemeal, starting ! 52: with each N_SO, it's a lot easier if the gcc2 flag symbol is *after* ! 53: the N_SO rather than before it. So we emit an N_OPT stab here. */ ! 54: ! 55: #define ASM_IDENTIFY_GCC(FILE) /* Do nothing */ ! 56: ! 57: #define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \ ! 58: fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE) ! 59: ! 60: #undef CTORS_SECTION_ASM_OP ! 61: #undef DTORS_SECTION_ASM_OP ! 62: ! 63: #if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */ ! 64: #undef TEXT_SECTION_ASM_OP ! 65: #undef DATA_SECTION_ASM_OP ! 66: #undef BSS_SECTION_ASM_OP ! 67: #undef CONST_SECTION_ASM_OP ! 68: #undef INIT_SECTION_ASM_OP ! 69: ! 70: #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" ! 71: #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" ! 72: #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" ! 73: ! 74: #define CONST_SECTION_ASM_OP "\t.section\t\".rodata\"" ! 75: #define INIT_SECTION_ASM_OP "\t.section\t\".init\"" ! 76: #endif ! 77: ! 78: #define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n" ! 79: #define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n" ! 80: ! 81: /* The native assembler can't compute differences between symbols in different ! 82: sections when generating pic code, so we must put jump tables in the ! 83: text section. */ ! 84: #define JUMP_TABLES_IN_TEXT_SECTION 1 ! 85: ! 86: /* Must use data section for relocatable constants when pic. */ ! 87: #undef SELECT_RTX_SECTION ! 88: #define SELECT_RTX_SECTION(MODE,RTX) \ ! 89: { \ ! 90: if (flag_pic && symbolic_operand (RTX)) \ ! 91: data_section (); \ ! 92: else \ ! 93: const_section (); \ ! 94: } ! 95: ! 96: /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ ! 97: #undef ASM_OUTPUT_SKIP ! 98: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 99: fprintf (FILE, "\t.skip %u\n", (SIZE)) ! 100: ! 101: #undef ASM_OUTPUT_ALIGNED_LOCAL ! 102: #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ ! 103: do { \ ! 104: fputs ("\t.local\t", (FILE)); \ ! 105: assemble_name ((FILE), (NAME)); \ ! 106: putc ('\n', (FILE)); \ ! 107: ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ ! 108: } while (0) ! 109: ! 110: #undef COMMON_ASM_OP ! 111: #define COMMON_ASM_OP "\t.common" ! 112: ! 113: /* This is how to output a definition of an internal numbered label where ! 114: PREFIX is the class of label and NUM is the number within the class. */ ! 115: ! 116: #undef ASM_OUTPUT_INTERNAL_LABEL ! 117: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ ! 118: fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) ! 119: ! 120: /* This is how to output a reference to an internal numbered label where ! 121: PREFIX is the class of label and NUM is the number within the class. */ ! 122: ! 123: #undef ASM_OUTPUT_INTERNAL_LABELREF ! 124: #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ ! 125: fprintf (FILE, ".L%s%d", PREFIX, NUM) ! 126: ! 127: /* This is how to store into the string LABEL ! 128: the symbol_ref name of an internal numbered label where ! 129: PREFIX is the class of label and NUM is the number within the class. ! 130: This is suitable for output with `assemble_name'. */ ! 131: ! 132: #undef ASM_GENERATE_INTERNAL_LABEL ! 133: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ ! 134: sprintf (LABEL, "*.L%s%d", PREFIX, NUM) ! 135: ! 136: /* in Solaris 2.0, linenos are relative to the current fn. */ ! 137: #undef ASM_OUTPUT_SOURCE_LINE ! 138: #define ASM_OUTPUT_SOURCE_LINE(file, line) \ ! 139: { static int sym_lineno = 1; \ ! 140: fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \ ! 141: line, sym_lineno, \ ! 142: IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\ ! 143: sym_lineno); \ ! 144: sym_lineno += 1; } ! 145: ! 146: /* But, to make this work, we have to output the stabs for the function ! 147: name *first*... */ ! 148: #define DBX_FUNCTION_FIRST ! 149: ! 150: ! 151: /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. ! 152: We don't use the standard LIB_SPEC only because we don't yet support c++ */ 1.1 root 153: 154: /* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX 155: directory, our fallback strategy must be to look for these files instead 156: in the Sun C 2.0 directory. */ 157: 1.1.1.2 ! root 158: #undef MD_STARTFILE_PREFIX ! 159: #define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/" ! 160: ! 161: #undef STARTFILE_SPEC ! 162: #define STARTFILE_SPEC "%{!shared: \ ! 163: %{!symbolic: \ ! 164: %{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \ ! 165: %{pg:gmon.o%s} \ ! 166: %{pg:crti.o%s}%{!pg:crti.o%s} \ ! 167: %{ansi:/usr/ccs/lib/values-Xc.o%s} \ ! 168: %{!ansi: \ ! 169: %{traditional:/usr/ccs/lib/values-Xt.o%s} \ ! 170: %{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \ ! 171: crtbegin.o%s" ! 172: ! 173: #undef LIB_SPEC ! 174: #define LIB_SPEC \ ! 175: "%{!shared:%{!symbolic:-lc}} \ ! 176: crtend.o%s \ ! 177: %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}" ! 178: ! 179: /* This should be the same as in svr4.h, except with -R added. */ ! 180: #undef LINK_SPEC ! 181: #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \ ! 182: %{b} %{Wl,*:%*} \ ! 183: %{static:-dn -Bstatic} \ ! 184: %{shared:-G -dy} \ ! 185: %{symbolic:-Bsymbolic -G -dy} \ ! 186: %{G:-G} \ ! 187: %{YP,*} \ ! 188: %{R*} \ ! 189: %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ ! 190: %{!p:-Y P,/usr/ccs/lib:/usr/lib}} \ ! 191: %{Qy:} %{!Qn:-Qy}" ! 192: ! 193: /* This defines which switch letters take arguments. ! 194: It is as in svr4.h but with -R added. */ ! 195: ! 196: #undef SWITCH_TAKES_ARG ! 197: #define SWITCH_TAKES_ARG(CHAR) \ ! 198: ( (CHAR) == 'D' \ ! 199: || (CHAR) == 'U' \ ! 200: || (CHAR) == 'o' \ ! 201: || (CHAR) == 'e' \ ! 202: || (CHAR) == 'u' \ ! 203: || (CHAR) == 'I' \ ! 204: || (CHAR) == 'm' \ ! 205: || (CHAR) == 'L' \ ! 206: || (CHAR) == 'R' \ ! 207: || (CHAR) == 'A' \ ! 208: || (CHAR) == 'h' \ ! 209: || (CHAR) == 'z')
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