227 lines
7.6 KiB
C
227 lines
7.6 KiB
C
/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
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Copyright 1992 Free Software Foundation, Inc.
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Contributed by Ron Guilmette (rfg@ncd.com) and
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David V. Henkel-Wallace (gumby@cygnus.com).
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
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#include "sparc/sysv4.h"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES \
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"-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)\
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-D__GCC_NEW_VARARGS__"
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#undef CPP_SPEC
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#define CPP_SPEC "\
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%{compat-bsd:-iwithprefix ucbinclude -idirafter /usr/ucbinclude}\
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%{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__}"
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/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
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It's safe to pass -s always, even if -g is not used. */
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#undef ASM_SPEC
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#define ASM_SPEC \
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"%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
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%{fpic:-K PIC} %{fPIC:-K PIC}"
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/* However it appears that Solaris 2.0 uses the same reg numbering as
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the old BSD-style system did. */
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#undef DBX_REGISTER_NUMBER
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/* Same as sparc.h */
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#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
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/* We use stabs-in-elf for debugging, because that is what the native
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toolchain uses. */
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#define DBX_DEBUGGING_INFO
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#define DBX_BLOCKS_FUNCTION_RELATIVE 1
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/* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't
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see it. Furthermore, since GDB reads the input piecemeal, starting
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with each N_SO, it's a lot easier if the gcc2 flag symbol is *after*
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the N_SO rather than before it. So we emit an N_OPT stab here. */
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#define ASM_IDENTIFY_GCC(FILE) /* Do nothing */
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#define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \
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fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE)
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#undef CTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP
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#if 0 /* These seems unnecessary; the ones in sparc/sysv4.h look right. */
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#undef TEXT_SECTION_ASM_OP
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#undef DATA_SECTION_ASM_OP
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#undef BSS_SECTION_ASM_OP
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#undef CONST_SECTION_ASM_OP
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#undef INIT_SECTION_ASM_OP
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#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
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#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
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#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
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#define CONST_SECTION_ASM_OP "\t.section\t\".rodata\""
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#define INIT_SECTION_ASM_OP "\t.section\t\".init\""
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#endif
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#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n"
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#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n"
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/* The native assembler can't compute differences between symbols in different
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sections when generating pic code, so we must put jump tables in the
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text section. */
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#define JUMP_TABLES_IN_TEXT_SECTION 1
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/* Must use data section for relocatable constants when pic. */
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#undef SELECT_RTX_SECTION
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#define SELECT_RTX_SECTION(MODE,RTX) \
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{ \
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if (flag_pic && symbolic_operand (RTX)) \
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data_section (); \
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else \
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const_section (); \
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}
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/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
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#undef ASM_OUTPUT_SKIP
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#define ASM_OUTPUT_SKIP(FILE,SIZE) \
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fprintf (FILE, "\t.skip %u\n", (SIZE))
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#undef ASM_OUTPUT_ALIGNED_LOCAL
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#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
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do { \
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fputs ("\t.local\t", (FILE)); \
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assemble_name ((FILE), (NAME)); \
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putc ('\n', (FILE)); \
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ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
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} while (0)
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#undef COMMON_ASM_OP
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#define COMMON_ASM_OP "\t.common"
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/* This is how to output a definition of an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class. */
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#undef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
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/* This is how to output a reference to an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class. */
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#undef ASM_OUTPUT_INTERNAL_LABELREF
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#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
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fprintf (FILE, ".L%s%d", PREFIX, NUM)
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/* This is how to store into the string LABEL
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the symbol_ref name of an internal numbered label where
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PREFIX is the class of label and NUM is the number within the class.
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This is suitable for output with `assemble_name'. */
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#undef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
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sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
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/* in Solaris 2.0, linenos are relative to the current fn. */
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#undef ASM_OUTPUT_SOURCE_LINE
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#define ASM_OUTPUT_SOURCE_LINE(file, line) \
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{ static int sym_lineno = 1; \
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fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \
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line, sym_lineno, \
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IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\
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sym_lineno); \
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sym_lineno += 1; }
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/* But, to make this work, we have to output the stabs for the function
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name *first*... */
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#define DBX_FUNCTION_FIRST
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/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us.
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We don't use the standard LIB_SPEC only because we don't yet support c++ */
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/* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX
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directory, our fallback strategy must be to look for these files instead
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in the Sun C 2.0 directory. */
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#undef MD_STARTFILE_PREFIX
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#define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{!shared: \
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%{!symbolic: \
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%{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \
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%{pg:gmon.o%s} \
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%{pg:crti.o%s}%{!pg:crti.o%s} \
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%{ansi:/usr/ccs/lib/values-Xc.o%s} \
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%{!ansi: \
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%{traditional:/usr/ccs/lib/values-Xt.o%s} \
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%{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \
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crtbegin.o%s"
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/* ??? Note: in order for -compat-bsd to work fully,
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we must somehow arrange to fixincludes /usr/ucbinclude
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and put the result in $(libsubdir)/ucbinclude. */
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \
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%{!shared:%{!symbolic:-lc}} \
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crtend.o%s \
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%{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}"
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/* This should be the same as in svr4.h, except with -R added. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{h*} %{V} %{v:%{!V:-V}} \
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%{b} %{Wl,*:%*} \
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%{static:-dn -Bstatic} \
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%{shared:-G -dy} \
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%{symbolic:-Bsymbolic -G -dy} \
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%{G:-G} \
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%{YP,*} \
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%{R*} \
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%{compat-bsd: \
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%{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
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-R /usr/ucblib} \
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%{!compat-bsd: \
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%{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:-Y P,/usr/ccs/lib:/usr/lib}}} \
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%{Qy:} %{!Qn:-Qy}"
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/* This defines which switch letters take arguments.
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It is as in svr4.h but with -R added. */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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( (CHAR) == 'D' \
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|| (CHAR) == 'U' \
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|| (CHAR) == 'o' \
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|| (CHAR) == 'e' \
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|| (CHAR) == 'u' \
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|| (CHAR) == 'I' \
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|| (CHAR) == 'm' \
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|| (CHAR) == 'L' \
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|| (CHAR) == 'R' \
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|| (CHAR) == 'A' \
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|| (CHAR) == 'h' \
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|| (CHAR) == 'z')
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