/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 Copyright 1992 Free Software Foundation, Inc. Contributed by Ron Guilmette (rfg@ncd.com) and David V. Henkel-Wallace (gumby@cygnus.com). This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ #include "sparcv4.h" #undef CPP_PREDEFINES #define CPP_PREDEFINES \ "-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)" /* The sun bundled assembler doesn't accept -Yd, (and neither does gas). It's safe to pass -s always, even if -g is not used. */ #undef ASM_SPEC #define ASM_SPEC \ "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ %{fpic:-K PIC} %{fPIC:-K PIC}" /* However it appears that Solaris 2.0 uses the same reg numbering as the old BSD-style system did. */ #undef DBX_REGISTER_NUMBER /* Same as sparc.h */ #define DBX_REGISTER_NUMBER(REGNO) (REGNO) /* We use stabs-in-elf for debugging, because that is what the native toolchain uses. */ #define DBX_DEBUGGING_INFO #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG #define DBX_BLOCKS_FUNCTION_RELATIVE 1 /* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't see it. Furthermore, since GDB reads the input piecemeal, starting with each N_SO, it's a lot easier if the gcc2 flag symbol is *after* the N_SO rather than before it. So we emit an N_OPT stab here. */ #define ASM_IDENTIFY_GCC(FILE) /* Do nothing */ #define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \ fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE) #undef CTORS_SECTION_ASM_OP #undef DTORS_SECTION_ASM_OP #if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */ #undef TEXT_SECTION_ASM_OP #undef DATA_SECTION_ASM_OP #undef BSS_SECTION_ASM_OP #undef CONST_SECTION_ASM_OP #undef INIT_SECTION_ASM_OP #define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" #define DATA_SECTION_ASM_OP "\t.section\t\".data\"" #define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" #define CONST_SECTION_ASM_OP "\t.section\t\".rodata\"" #define INIT_SECTION_ASM_OP "\t.section\t\".init\"" #endif #define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n" #define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n" /* The native assembler can't compute differences between symbols in different sections when generating pic code, so we must put jump tables in the text section. */ #define JUMP_TABLES_IN_TEXT_SECTION 1 /* Must use data section for relocatable constants when pic. */ #undef SELECT_RTX_SECTION #define SELECT_RTX_SECTION(MODE,RTX) \ { \ if (flag_pic && symbolic_operand (RTX)) \ data_section (); \ else \ const_section (); \ } /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ #undef ASM_OUTPUT_SKIP #define ASM_OUTPUT_SKIP(FILE,SIZE) \ fprintf (FILE, "\t.skip %u\n", (SIZE)) #undef ASM_OUTPUT_ALIGNED_LOCAL #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ do { \ fputs ("\t.local\t", (FILE)); \ assemble_name ((FILE), (NAME)); \ putc ('\n', (FILE)); \ ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ } while (0) #undef COMMON_ASM_OP #define COMMON_ASM_OP "\t.common" /* This is how to output a definition of an internal numbered label where PREFIX is the class of label and NUM is the number within the class. */ #undef ASM_OUTPUT_INTERNAL_LABEL #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) /* This is how to output a reference to an internal numbered label where PREFIX is the class of label and NUM is the number within the class. */ #undef ASM_OUTPUT_INTERNAL_LABELREF #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ fprintf (FILE, ".L%s%d", PREFIX, NUM) /* This is how to store into the string LABEL the symbol_ref name of an internal numbered label where PREFIX is the class of label and NUM is the number within the class. This is suitable for output with `assemble_name'. */ #undef ASM_GENERATE_INTERNAL_LABEL #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ sprintf (LABEL, "*.L%s%d", PREFIX, NUM) /* in Solaris 2.0, linenos are relative to the current fn. */ #undef ASM_OUTPUT_SOURCE_LINE #define ASM_OUTPUT_SOURCE_LINE(file, line) \ { static int sym_lineno = 1; \ fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \ line, sym_lineno, \ IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\ sym_lineno); \ sym_lineno += 1; } /* But, to make this work, we have to output the stabs for the function name *first*... */ #define DBX_FUNCTION_FIRST /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. We don't use the standard LIB_SPEC only because we don't yet support c++ */ /* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX directory, our fallback strategy must be to look for these files instead in the Sun C 2.0 directory. */ #undef MD_STARTFILE_PREFIX #define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/" #undef STARTFILE_SPEC #define STARTFILE_SPEC "%{!shared: \ %{!symbolic: \ %{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \ %{pg:gmon.o%s} \ %{pg:crti.o%s}%{!pg:crti.o%s} \ %{ansi:/usr/ccs/lib/values-Xc.o%s} \ %{!ansi: \ %{traditional:/usr/ccs/lib/values-Xt.o%s} \ %{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \ crtbegin.o%s" #undef LIB_SPEC #define LIB_SPEC \ "%{!shared:%{!symbolic:-lc}} \ crtend.o%s \ %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}" /* This should be the same as in svr4.h, except with -R added. */ #undef LINK_SPEC #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \ %{b} %{Wl,*:%*} \ %{static:-dn -Bstatic} \ %{shared:-G -dy} \ %{symbolic:-Bsymbolic -G -dy} \ %{G:-G} \ %{YP,*} \ %{R*} \ %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ %{!p:-Y P,/usr/ccs/lib:/usr/lib}} \ %{Qy:} %{!Qn:-Qy}" /* This defines which switch letters take arguments. It is as in svr4.h but with -R added. */ #undef SWITCH_TAKES_ARG #define SWITCH_TAKES_ARG(CHAR) \ ( (CHAR) == 'D' \ || (CHAR) == 'U' \ || (CHAR) == 'o' \ || (CHAR) == 'e' \ || (CHAR) == 'u' \ || (CHAR) == 'I' \ || (CHAR) == 'm' \ || (CHAR) == 'L' \ || (CHAR) == 'R' \ || (CHAR) == 'A' \ || (CHAR) == 'h' \ || (CHAR) == 'z')