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-/* Operating system specific defines to be used when targeting GCC for some
- generic System V Release 4 system.
- Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001 Free Software Foundation, Inc.
- Contributed by Ron Guilmette (rfg@monkeys.com).
-
-This file is part of GCC.
-
-GCC 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.
-
-GCC 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 GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.
-
- To use this file, make up a line like that in config.gcc:
-
- tm_file="$tm_file elfos.h svr4.h MACHINE/svr4.h"
-
- where MACHINE is replaced by the name of the basic hardware that you
- are targeting for. Then, in the file MACHINE/svr4.h, put any really
- system-specific defines (or overrides of defines) which you find that
- you need.
-*/
-
-/* Define a symbol indicating that we are using svr4.h. */
-#define USING_SVR4_H
-
-/* Cpp, assembler, linker, library, and startfile spec's. */
-
-/* This defines which switch letters take arguments. On svr4, most of
- the normal cases (defined in gcc.c) apply, and we also have -h* and
- -z* options (for the linker). Note however that there is no such
- thing as a -T option for svr4. */
-
-#undef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR) \
- (DEFAULT_SWITCH_TAKES_ARG (CHAR) \
- || (CHAR) == 'h' \
- || (CHAR) == 'x' \
- || (CHAR) == 'z')
-
-/* This defines which multi-letter switches take arguments. On svr4,
- there are no such switches except those implemented by GCC itself. */
-
-#define WORD_SWITCH_TAKES_ARG(STR) \
- (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
- && strcmp (STR, "Tdata") && strcmp (STR, "Ttext") \
- && strcmp (STR, "Tbss"))
-
-/* Provide an ASM_SPEC appropriate for svr4. Here we try to support as
- many of the specialized svr4 assembler options as seems reasonable,
- given that there are certain options which we can't (or shouldn't)
- support directly due to the fact that they conflict with other options
- for other svr4 tools (e.g. ld) or with other options for GCC itself.
- For example, we don't support the -o (output file) or -R (remove
- input file) options because GCC already handles these things. We
- also don't support the -m (run m4) option for the assembler because
- that conflicts with the -m (produce load map) option of the svr4
- linker. We do however allow passing arbitrary options to the svr4
- assembler via the -Wa, option.
-
- Note that gcc doesn't allow a space to follow -Y in a -Ym,* or -Yd,*
- option.
-
- The svr4 assembler wants '-' on the command line if it's expected to
- read its stdin.
-*/
-
-#undef ASM_SPEC
-#define ASM_SPEC \
- "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
-
-#define AS_NEEDS_DASH_FOR_PIPED_INPUT
-
-/* Under svr4, the normal location of the `ld' and `as' programs is the
- /usr/ccs/bin directory. */
-
-/* APPLE LOCAL begin mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#ifndef CROSS_DIRECTORY_STRUCTURE
-/* APPLE LOCAL end mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#undef MD_EXEC_PREFIX
-#define MD_EXEC_PREFIX "/usr/ccs/bin/"
-#endif
-
-/* Under svr4, the normal location of the various *crt*.o files is the
- /usr/ccs/lib directory. */
-
-/* APPLE LOCAL begin mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#ifndef CROSS_DIRECTORY_STRUCTURE
-/* APPLE LOCAL end mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#undef MD_STARTFILE_PREFIX
-#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
-#endif
-
-/* Provide a LIB_SPEC appropriate for svr4. Here we tack on the default
- standard C library (unless we are building a shared library). */
-
-#undef LIB_SPEC
-#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
-
-/* Provide an ENDFILE_SPEC appropriate for svr4. Here we tack on our own
- magical crtend.o file (see crtstuff.c) which provides part of the
- support for getting C++ file-scope static object constructed before
- entering `main', followed by the normal svr3/svr4 "finalizer" file,
- which is either `gcrtn.o' or `crtn.o'. */
-
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "crtend.o%s %{pg:gcrtn.o%s}%{!pg:crtn.o%s}"
-
-/* Provide a LINK_SPEC appropriate for svr4. Here we provide support
- for the special GCC options -static, -shared, and -symbolic which
- allow us to link things in one of these three modes by applying the
- appropriate combinations of options at link-time. We also provide
- support here for as many of the other svr4 linker options as seems
- reasonable, given that some of them conflict with options for other
- svr4 tools (e.g. the assembler). In particular, we do support the
- -z*, -V, -b, -t, -Qy, -Qn, and -YP* options here, and the -e*, -l*,
- -o*, -r, -s, -u*, and -L* options are directly supported by gcc.c
- itself. We don't directly support the -m (generate load map)
- option because that conflicts with the -m (run m4) option of the
- svr4 assembler. We also don't directly support the svr4 linker's
- -I* or -M* options because these conflict with existing GCC
- options. We do however allow passing arbitrary options to the svr4
- linker via the -Wl, option, in gcc.c. We don't support the svr4
- linker's -a option at all because it is totally useless and because
- it conflicts with GCC's own -a option.
-
- Note that gcc doesn't allow a space to follow -Y in a -YP,* option.
-
- When the -G link option is used (-shared and -symbolic) a final link is
- not being done. */
-
-#undef LINK_SPEC
-/* APPLE LOCAL begin mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#ifdef CROSS_DIRECTORY_STRUCTURE
-/* APPLE LOCAL end mainline 4.3 2006-12-13 CROSS_DIRECTORY_STRUCTURE 4697325 */
-#define LINK_SPEC "%{h*} %{v:-V} \
- %{b} \
- %{static:-dn -Bstatic} \
- %{shared:-G -dy -z text} \
- %{symbolic:-Bsymbolic -G -dy -z text} \
- %{G:-G} \
- %{YP,*} \
- %{Qy:} %{!Qn:-Qy}"
-#else
-#define LINK_SPEC "%{h*} %{v:-V} \
- %{b} \
- %{static:-dn -Bstatic} \
- %{shared:-G -dy -z text} \
- %{symbolic:-Bsymbolic -G -dy -z text} \
- %{G:-G} \
- %{YP,*} \
- %{!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}"
-#endif
-
-/* Gcc automatically adds in one of the files /usr/ccs/lib/values-Xc.o
- or /usr/ccs/lib/values-Xa.o for each final link step (depending
- upon the other gcc options selected, such as -ansi). These files
- each contain one (initialized) copy of a special variable called
- `_lib_version'. Each one of these files has `_lib_version' initialized
- to a different (enum) value. The SVR4 library routines query the
- value of `_lib_version' at run to decide how they should behave.
- Specifically, they decide (based upon the value of `_lib_version')
- if they will act in a strictly ANSI conforming manner or not. */
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC "%{!shared: \
- %{!symbolic: \
- %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}}\
- %{pg:gcrti.o%s}%{!pg:crti.o%s} \
- %{ansi:values-Xc.o%s} \
- %{!ansi:values-Xa.o%s} \
- crtbegin.o%s"
-
-/* The numbers used to denote specific machine registers in the System V
- Release 4 DWARF debugging information are quite likely to be totally
- different from the numbers used in BSD stabs debugging information
- for the same kind of target machine. Thus, we undefine the macro
- DBX_REGISTER_NUMBER here as an extra inducement to get people to
- provide proper machine-specific definitions of DBX_REGISTER_NUMBER
- (which is also used to provide DWARF registers numbers in dwarfout.c)
- in their tm.h files which include this file. */
-
-#undef DBX_REGISTER_NUMBER
-
-/* Define the actual types of some ANSI-mandated types. (These
- definitions should work for most SVR4 systems). */
-
-#undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
-
-#undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
-
-#undef WCHAR_TYPE
-#define WCHAR_TYPE "long int"
-
-#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE_SIZE BITS_PER_WORD
-
-#define TARGET_POSIX_IO