92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
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/* Target definitions for GNU compiler for Intel 80386 running Solaris 2
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Copyright (C) 1993, 1995 Free Software Foundation, Inc.
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Written by Fred Fish (fnf@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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#include "i386/sysv4.h"
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/* The Solaris 2.0 x86 linker botches alignment of code sections.
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It tries to align to a 16 byte boundary by padding with 0x00000090
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ints, rather than 0x90 bytes (nop). This generates trash in the
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".init" section since the contribution from crtbegin.o is only 7
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bytes. The linker pads it to 16 bytes with a single 0x90 byte, and
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two 0x00000090 ints, which generates a segmentation violation when
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executed. This macro forces the assembler to do the padding, since
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it knows what it is doing. */
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#define FORCE_INIT_SECTION_ALIGN do { asm (ALIGN_ASM_OP ## " 16"); } while (0)
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#define FORCE_FINI_SECTION_ALIGN FORCE_INIT_SECTION_ALIGN
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/* Add "sun" to the list of symbols defined for SVR4. */
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES \
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"-Di386 -Dunix -D__svr4__ -D__SVR4 -Dsun \
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-Asystem(unix) -Asystem(svr4) -Acpu(i386) -Amachine(i386)"
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#undef CPP_SPEC
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#define CPP_SPEC "\
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%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/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 %{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 -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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%{!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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