New files for sparc64-linux port.
From-SVN: r15679
This commit is contained in:
Doug Evans
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238
gcc/config/sparc/linux64.h
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238
gcc/config/sparc/linux64.h
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/* Definitions for 64-bit SPARC running Linux with ELF
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Copyright 1996, 1997 Free Software Foundation, Inc.
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Contributed by David S. Miller (davem@caip.rutgers.edu)
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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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#define LINUX_DEFAULT_ELF
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/* This is a v9 only compiler. -mv8 is not expected to work. If you want
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a v8/v9 compiler, this isn't the place to do it. */
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#define SPARC_V9 1 /* See sparc.h. */
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#define SPARC_ARCH64 1
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/* Don't assume anything about the header files. */
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#define NO_IMPLICIT_EXTERN_C
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#undef HAVE_ATEXIT
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#define HAVE_ATEXIT
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#include <sparc/sysv4.h>
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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/* Output at beginning of assembler file. */
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/* The .file command should always begin the output. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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output_file_directive (FILE, main_input_filename); \
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fprintf (FILE, "\t.version\t\"01.01\"\n"); \
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} while (0)
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-Av9a"
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#undef LIBGCC_SPEC
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#define LIBGCC_SPEC \
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"%{!shared:-lgcc}"
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/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add
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the Linux magical crtbegin.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main'. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on
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the Linux magical crtend.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main', followed by a normal
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Linux "finalizer" file, `crtn.o'. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (sparc64 Linux/ELF)");
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/* A v9 compiler with stack-bias, 32 bit integers, 64 bit longs and
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64 bit pointers, in a Medium/Anywhere code model environment. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT \
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(MASK_V9 + MASK_ARCH64 + MASK_LONG64 + MASK_PTR64 /* + MASK_HARD_QUAD */ \
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+ MASK_STACK_BIAS + MASK_MEDANY + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU)
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#undef SIZE_TYPE
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#define SIZE_TYPE "long long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long long int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "long int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-D__sparc__ -D__sparc__ -D__sparc_v9__ -D__arch64__ -D__ELF__ -Dunix -Dsparc -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(sparc) -Amachine(sparc)"
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#undef CPP_SPEC
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#define CPP_SPEC "\
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%{fPIC:-D__PIC__ -D__pic__} \
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%{fpic:-D__PIC__ -D__pic__} \
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%{mint64:-D__INT_MAX__=9223372036854775807LL -D__LONG_MAX__=9223372036854775807LL} \
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%{mlong64:-D__LONG_MAX__=9223372036854775807LL} \
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%{mlittle-endian:-D__LITTLE_ENDIAN__} \
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%{msparclite:-D__sparclite__} \
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%{mv8:-D__sparc_v8__} \
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%{msupersparc:-D__supersparc__ -D__sparc_v8__} \
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%{posix:-D_POSIX_SOURCE} \
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"
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/* We no longer link with libc_p.a or libg.a by default. If you
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* want to profile or debug the Linux C library, please add
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* -lc_p or -ggdb to LDFLAGS at the link time, respectively.
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*/
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{!shared: %{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} \
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%{!ggdb:-lc} %{ggdb:-lg}}"
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/* Provide a LINK_SPEC appropriate for Linux. Here we provide support
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for the special GCC options -static and -shared, which allow us to
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link things in one of these three modes by applying the appropriate
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combinations of options at link-time. We like to support here for
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as many of the other GNU linker options as possible. But I don't
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have the time to search for those flags. I am sure how to add
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support for -soname shared_object_name. H.J.
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I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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-Wl,-V.
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When the -shared link option is used a final link is not being
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done. */
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/* If ELF is the default format, we should not use /lib/elf. */
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#undef LINK_SPEC
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#define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib %{shared:-shared} \
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%{!shared: \
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%{!ibcs: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.1}} \
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%{static:-static}}} \
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%{mlittle-endian:-EL} \
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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} \
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%{v:%{!V:-V}} \
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%{!Qn:-Qy} \
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%{n} \
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%{T} \
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%{Ym,*} \
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%{Wa,*:%*} \
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-s %{fpic:-K PIC} %{fPIC:-K PIC} \
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%{mlittle-endian:-EL} \
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%(asm_cpu) \
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"
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/* Same as sparc.h */
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
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/* System V Release 4 uses DWARF debugging info. Buf DWARF1 doesn't do
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64-bit anything, so we use DWARF2. */
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#undef DWARF2_DEBUGGING_INFO
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#undef DWARF_DEBUGGING_INFO
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#undef DBX_DEBUGGING_INFO
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#define DWARF2_DEBUGGING_INFO
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#define DBX_DEBUGGING_INFO
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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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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/* Stabs doesn't use this, and it confuses a simulator. */
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/* ??? Need to see what DWARF needs, if anything. */
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#undef ASM_IDENTIFY_GCC
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#define ASM_IDENTIFY_GCC(FILE)
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/* Define the names of various pseudo-ops used by the Sparc/svr4 assembler.
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??? If ints are 64 bits then UNALIGNED_INT_ASM_OP (defined elsewhere) is
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misnamed. These should all refer to explicit sizes (half/word/xword?),
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anything other than short/int/long/etc. */
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#define UNALIGNED_DOUBLE_INT_ASM_OP ".uaxword"
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/* DWARF bits. */
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/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
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Obviously the Dwarf2 folks havn't tried to actually build systems
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with their spec. On a 64-bit system, only 64-bit relocs become
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RELATIVE relocations. */
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/* #define DWARF_OFFSET_SIZE PTR_SIZE */
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