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182 lines
6.1 KiB
C
182 lines
6.1 KiB
C
/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
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Copyright 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
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Contributed by Ron Guilmette (rfg@netcom.com).
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Additional changes by 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, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, 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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"-Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 \
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-Asystem(unix) -Asystem(svr4)"
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC "\
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%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \
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"
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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} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
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%{fpic:-K PIC} %{fPIC:-K PIC} \
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%(asm_cpu) \
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"
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/* This is here rather than in sparc.h because it's not known what
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other assemblers will accept. */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus"
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#endif
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#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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#undef ASM_CPU_DEFAULT_SPEC
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#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa"
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#endif
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC "\
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%{mcpu=v8plus:-xarch=v8plus} \
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%{mcpu=ultrasparc:-xarch=v8plusa} \
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%{!mcpu*:%(asm_cpu_default)} \
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"
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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) \
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(TARGET_FLAT && REGNO == FRAME_POINTER_REGNUM ? 31 : 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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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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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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/* Use .uahalf/.uaword so packed structure members don't generate
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assembler errors when using the native assembler. */
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#undef ASM_SHORT
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#define ASM_SHORT ".uahalf"
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#undef ASM_LONG
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#define ASM_LONG ".uaword"
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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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/* 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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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{!shared: \
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%{!symbolic: \
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%{p:mcrt1.o%s} \
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%{!p: \
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%{pg:gcrt1.o%s gmon.o%s} \
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%{!pg:crt1.o%s}}}} \
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crti.o%s \
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%{ansi:values-Xc.o%s} \
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%{!ansi: \
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%{traditional:values-Xt.o%s} \
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%{!traditional: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} %{!shared:%{!symbolic:-lc}}"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend.o%s 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} \
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%{b} %{Wl,*:%*} \
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%{static:-dn -Bstatic} \
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%{shared:-G -dy %{!mimpure-text:-z text}} \
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%{symbolic:-Bsymbolic -G -dy -z text} \
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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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%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:%{!pg:-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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%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:%{!pg:-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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(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
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|| (CHAR) == 'R' \
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|| (CHAR) == 'h' \
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|| (CHAR) == 'x' \
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|| (CHAR) == 'z')
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/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
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Instead, it is enabled here, because it does work under Solaris. */
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/* Define for support of TFmode long double and REAL_ARITHMETIC.
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Sparc ABI says that long double is 4 words. */
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#define LONG_DOUBLE_TYPE_SIZE 128
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/* But indicate that it isn't supported by the hardware. */
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#define WIDEST_HARDWARE_FP_SIZE 64
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#define STDC_0_IN_SYSTEM_HEADERS
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