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authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/config/sparc/linux.h
initial commit
Diffstat (limited to 'gcc/config/sparc/linux.h')
-rwxr-xr-xgcc/config/sparc/linux.h259
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diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
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+/* Definitions for SPARC running Linux-based GNU systems with ELF.
+ Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Contributed by Eddie C. Dost (ecd@skynet.be)
+
+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 LINUX_DEFAULT_ELF
+
+/* Don't assume anything about the header files. */
+#define NO_IMPLICIT_EXTERN_C
+
+#undef HAVE_ATEXIT
+#define HAVE_ATEXIT
+
+/* GNU/Linux uses ctype from glibc.a. I am not sure how complete it is.
+ For now, we play safe. It may change later. */
+
+#if 0
+#undef MULTIBYTE_CHARS
+#define MULTIBYTE_CHARS 1
+#endif
+
+#ifndef USE_GNULIBC_1
+#undef DEFAULT_VTABLE_THUNKS
+#define DEFAULT_VTABLE_THUNKS 1
+#endif
+
+/* Use stabs instead of DWARF debug format. */
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#include <sparc/sysv4.h>
+
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+/* Output at beginning of assembler file. */
+/* The .file command should always begin the output. */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+ do { \
+ output_file_directive (FILE, main_input_filename); \
+ fprintf (FILE, "\t.version\t\"01.01\"\n"); \
+ } while (0)
+
+/* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
+ the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
+ provides part of the support for getting C++ file-scope static
+ object constructed before entering `main'. */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!shared: \
+ %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
+ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+
+/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
+ the GNU/Linux 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 a normal
+ GNU/Linux "finalizer" file, `crtn.o'. */
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+
+/* This is for -profile to use -lc_p instead of -lc. */
+#undef CC1_SPEC
+#define CC1_SPEC "%{profile:-p} \
+%{sun4:} %{target:} \
+%{mcypress:-mcpu=cypress} \
+%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
+%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
+"
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)");
+
+#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
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__sparc__ -Dlinux -Asystem(unix) -Asystem(posix)"
+
+#undef CPP_SUBTARGET_SPEC
+#ifdef USE_GNULIBC_1
+#define CPP_SUBTARGET_SPEC \
+"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE}"
+#else
+#define CPP_SUBTARGET_SPEC \
+"%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+#endif
+
+#undef LIB_SPEC
+/* We no longer link with libc_p.a or libg.a by default. If you
+ want to profile or debug the GNU/Linux C library, please add
+ -lc_p or -ggdb to LDFLAGS at the link time, respectively. */
+#if 1
+#ifdef USE_GNULIBC_1
+#define LIB_SPEC \
+ "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \
+ %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
+#else
+#define LIB_SPEC \
+ "%{shared: -lc} \
+ %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
+ %{profile:-lc_p} %{!profile: -lc}}"
+#endif
+#else
+#define LIB_SPEC \
+ "%{!shared: \
+ %{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
+ %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"
+#endif
+
+/* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support
+ for the special GCC options -static and -shared, which allow us to
+ link things in one of these three modes by applying the appropriate
+ combinations of options at link-time. We like to support here for
+ as many of the other GNU linker options as possible. But I don't
+ have the time to search for those flags. I am sure how to add
+ support for -soname shared_object_name. H.J.
+
+ I took out %{v:%{!V:-V}}. It is too much :-(. They can use
+ -Wl,-V.
+
+ When the -shared link option is used a final link is not being
+ done. */
+
+/* If ELF is the default format, we should not use /lib/elf. */
+
+#undef LINK_SPEC
+#ifdef USE_GNULIBC_1
+#ifndef LINUX_DEFAULT_ELF
+#define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
+ %{!shared: \
+ %{!ibcs: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /lib/elf/ld-linux.so.1} \
+ %{!rpath:-rpath /lib/elf/}} %{static:-static}}}"
+#else
+#define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
+ %{!shared: \
+ %{!ibcs: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.1}} \
+ %{static:-static}}}"
+#endif
+#else
+#define LINK_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
+ %{!shared: \
+ %{!ibcs: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+ %{static:-static}}}"
+#endif
+
+/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
+ It's safe to pass -s always, even if -g is not used. */
+#undef ASM_SPEC
+#define ASM_SPEC \
+ "%{V} %{v:%{!V:-V}} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s %{fpic:-K PIC} %{fPIC:-K PIC}"
+
+/* Same as sparc.h */
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+
+/* We use stabs-in-elf for debugging, because that is what the native
+ toolchain uses. XXX */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#undef ASM_OUTPUT_ALIGNED_LOCAL
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
+do { \
+ fputs ("\t.local\t", (FILE)); \
+ assemble_name ((FILE), (NAME)); \
+ putc ('\n', (FILE)); \
+ ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
+} while (0)
+
+#undef COMMON_ASM_OP
+#define COMMON_ASM_OP "\t.common"
+
+/* This is how to output a definition of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class. */
+
+#undef ASM_OUTPUT_INTERNAL_LABEL
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
+ fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
+
+/* This is how to output a reference to an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class. */
+
+#undef ASM_OUTPUT_INTERNAL_LABELREF
+#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
+ fprintf (FILE, ".L%s%d", PREFIX, NUM)
+
+/* This is how to store into the string LABEL
+ the symbol_ref name of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class.
+ This is suitable for output with `assemble_name'. */
+
+#undef ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
+ sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
+
+
+#if 0
+/* Define for support of TFmode long double and REAL_ARITHMETIC.
+ Sparc ABI says that long double is 4 words. GNU/Linux does not support
+ long double yet. */
+#define LONG_DOUBLE_TYPE_SIZE 128
+#endif
+
+/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
+ traps available which can get and set the condition codes
+ reliably. */
+#undef MACHINE_STATE_SAVE
+#define MACHINE_STATE_SAVE(ID) \
+ unsigned long int ms_flags, ms_saveret; \
+ asm volatile("ta 0x20\n\t" \
+ "mov %%g1, %0\n\t" \
+ "mov %%g2, %1\n\t" \
+ : "=r" (ms_flags), "=r" (ms_saveret));
+
+#undef MACHINE_STATE_RESTORE
+#define MACHINE_STATE_RESTORE(ID) \
+ asm volatile("mov %0, %%g1\n\t" \
+ "mov %1, %%g2\n\t" \
+ "ta 0x21\n\t" \
+ : /* no outputs */ \
+ : "r" (ms_flags), "r" (ms_saveret));