+++ /dev/null
-/* Operating system specific defines to be used when targeting GCC for some
- generic System V Release 4 system.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
- Contributed by Ron Guilmette (rfg@monkeys.com).
- Renamed and changed to suit Dynix/ptx v4 and later.
- Modified by Tim Wright (timw@sequent.com).
- Modified by Janis Johnson (janis@us.ibm.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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
-
-*/
-
-/* Define a symbol indicating that we are using svr4.h. */
-#define USING_SVR4_H
-
-/* Use DWARF debugging info by default. */
-
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
-
-
-/* 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. */
-
-#define SWITCH_TAKES_ARG(CHAR) \
- ( (CHAR) == 'D' \
- || (CHAR) == 'U' \
- || (CHAR) == 'o' \
- || (CHAR) == 'e' \
- || (CHAR) == 'u' \
- || (CHAR) == 'I' \
- || (CHAR) == 'm' \
- || (CHAR) == 'L' \
- || (CHAR) == 'A' \
- || (CHAR) == 'h' \
- || (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"))
-
-/* You should redefine CPP_PREDEFINES in any file which includes this one.
- The definition should be appropriate for the type of target system
- involved, and it should include any -A (assertion) options which are
- appropriate for the given target system. */
-#undef CPP_PREDEFINES
-
-/* 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.
-*/
-
-#undef ASM_SPEC
-#ifdef USE_GAS
-#define ASM_SPEC \
- "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
-#else
-#define ASM_SPEC \
- "-no_0f_fix -no_eflags_chk %{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
-#endif
-
-/* svr4 assemblers need the `-' (indicating input from stdin) to come after
- the -o option (and its argument) for some reason. If we try to put it
- before the -o option, the assembler will try to read the file named as
- the output file in the -o option as an input file (after it has already
- written some stuff to it) and the binary stuff contained therein will
- cause totally confuse the assembler, resulting in many spurious error
- messages. */
-
-#undef ASM_FINAL_SPEC
-#define ASM_FINAL_SPEC "%{pipe:-}"
-
-/* 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 a LIBGCC_SPEC appropriate for svr4. We also want to exclude
- libgcc when -symbolic. */
-
-#undef LIBGCC_SPEC
-#define LIBGCC_SPEC "%{!shared:%{!symbolic:-lgcc}}"
-
-/* 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}%{!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. 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
-#define LINK_SPEC "%{h*} %{v:-V} \
- %{b} %{Wl,*:%*} \
- %{static:-dn -Bstatic} \
- %{shared:-G -dy -z text} \
- %{symbolic:-Bsymbolic -G -dy -z text} \
- %{G:-G} \
- %{YP,*} \
- %{!YP,*:%{p:-Y P,/lib/libp:/usr/lib/libp:/lib:/usr/lib} \
- %{!p:-Y P,/lib:/usr/lib}} \
- %{Qy:} %{!Qn:-Qy}"
-
-/* Gcc automatically adds in one of the files /lib/values-Xc.o,
- /lib/values-Xa.o, or /lib/values-Xt.o for each final link
- step (depending upon the other gcc options selected, such as
- -traditional and -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: \
- %{traditional:values-Xt.o%s} \
- %{!traditional:values-Xa.o%s}} \
- crtbegin.o%s"
-
-/* Allow #sccs in preprocessor. */
-
-#define SCCS_DIRECTIVE
-
-/* Don't use bcopy, which doesn't handle overlaps before DYNIX/ptx 4.6. */
-
-#undef HAVE_BCOPY
-
-/* 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
-
-/* Like block addresses, stabs line numbers are relative to the
- current function. */
-
-#undef ASM_OUTPUT_SOURCE_LINE
-#define ASM_OUTPUT_SOURCE_LINE(file, line) \
-do \
- { \
- static int sym_lineno = 1; \
- fprintf (file, ".stabn 68,0,%d,.LM%d-", \
- line, sym_lineno); \
- assemble_name (file, \
- XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
- fprintf (file, "\n.LM%d:\n", sym_lineno); \
- sym_lineno += 1; \
- } \
-while (0)
-
-/* Generate a blank trailing N_SO to mark the end of the .o file, since
- we can't depend upon the linker to mark .o file boundaries with
- embedded stabs. */
-
-#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
-#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
- fprintf (FILE, \
- "\t.text\n\t.stabs \"\",%d,0,0,.Letext\n.Letext:\n", N_SO)
-
-/* 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
-
-/* This says how to output assembler code to declare an uninitialized
- external linkage data item. There's a bug in the DYNIX/ptx linker
- (PR 254649) when the alignment for such an object is specified, so
- ignore the ALIGN parameter. */
-
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
-do { \
- fprintf ((FILE), "%s", COMMON_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u\n", (SIZE)); \
-} while (0)
projects / msp430-gcc.git / blobdiff