diff gcc/config/sparc/netbsd-elf.h @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children f6334be47118
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/sparc/netbsd-elf.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,269 @@
+/* Definitions of target machine for GCC, for ELF on NetBSD/sparc
+   and NetBSD/sparc64.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Contributed by Matthew Green (mrg@eterna.com.au).
+
+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 3, 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#define TARGET_OS_CPP_BUILTINS()			\
+  do							\
+    {							\
+      NETBSD_OS_CPP_BUILTINS_ELF();			\
+      if (TARGET_ARCH64)				\
+	{						\
+	  builtin_define ("__sparc64__");		\
+	  builtin_define ("__sparc_v9__");		\
+	  builtin_define ("__sparcv9");			\
+	}						\
+      else						\
+	builtin_define ("__sparc");			\
+      builtin_define ("__sparc__");			\
+    }							\
+  while (0)
+
+/* Make sure these are undefined.  */
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+/* CPP defines used by all NetBSD targets.  */
+#undef CPP_SUBTARGET_SPEC
+#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
+
+/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h.  */
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+/* This is the char to use for continuation (in case we need to turn
+   continuation back on).  */
+#undef DBX_CONTIN_CHAR
+#define DBX_CONTIN_CHAR '?'
+
+#undef  LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX  "."
+
+/* 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%ld", (PREFIX), (long)(NUM))
+
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+
+#undef ASM_SPEC
+#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
+%{mlittle-endian:-EL} \
+%(asm_cpu) %(asm_arch) %(asm_relax)"
+
+#undef STDC_0_IN_SYSTEM_HEADERS
+
+/* Attempt to enable execute permissions on the stack.  */
+#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
+
+/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
+   description, allowing one to build 32-bit or 64-bit applications
+   on either.  We define the sparc & sparc64 versions of things,
+   occasionally a neutral version (should be the same as "netbsd-elf.h")
+   and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
+   we choose the correct version.  */
+
+/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
+   definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
+   not have a default place to find these libraries..  */
+
+/* Name the port(s).  */
+#define TARGET_NAME64     "NetBSD/sparc64 ELF"
+#define TARGET_NAME32     "NetBSD/sparc ELF"
+
+/* TARGET_CPU_DEFAULT is set in Makefile.in.  We test for 64-bit default
+   platform here.  */
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
+/* A 64 bit v9 compiler with stack-bias,
+   in a Medium/Low code model environment.  */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+  (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
+   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
+
+#undef SPARC_DEFAULT_CMODEL
+#define SPARC_DEFAULT_CMODEL CM_MEDANY
+
+#endif
+
+/* CC1_SPEC for NetBSD/sparc.  */
+#define CC1_SPEC32 \
+ "%{sun4:} %{target:} \
+  %{mcypress:-mcpu=cypress} \
+  %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
+  %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
+  %{m32:%{m64:%emay not use both -m32 and -m64}} \
+  %{m64: \
+    -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
+    %{!mcpu*: \
+      %{!mcypress: \
+        %{!msparclite: \
+	  %{!mf930: \
+	    %{!mf934: \
+	      %{!mv8*: \
+	        %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
+    %{!mno-vis:%{!mcpu=v9:-mvis}} \
+    %{p:-mcmodel=medlow} \
+    %{pg:-mcmodel=medlow}}"
+
+#define CC1_SPEC64 \
+ "%{sun4:} %{target:} \
+  %{mcypress:-mcpu=cypress} \
+  %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
+  %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
+  %{m32:%{m64:%emay not use both -m32 and -m64}} \
+  %{m32: \
+    -mptr32 -mno-stack-bias \
+    %{!mlong-double-128:-mlong-double-64} \
+    %{!mcpu*: \
+      %{!mcypress: \
+	%{!msparclite: \
+	  %{!mf930: \
+	    %{!mf934: \
+	      %{!mv8*: \
+		%{!msupersparc:-mcpu=cypress}}}}}}}} \
+  %{!m32: \
+    %{p:-mcmodel=medlow} \
+    %{pg:-mcmodel=medlow}}"
+
+/* Make sure we use the right output format.  Pick a default and then
+   make sure -m32/-m64 switch to the right one.  */
+
+#define LINK_ARCH32_SPEC "-m elf32_sparc"
+
+#define LINK_ARCH64_SPEC "-m elf64_sparc"
+
+#define LINK_ARCH_SPEC \
+ "%{m32:%(link_arch32)} \
+  %{m64:%(link_arch64)} \
+  %{!m32:%{!m64:%(link_arch_default)}}"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "%(link_arch) \
+  %{!mno-relax:%{!r:-relax}} \
+  %(netbsd_link_spec)"
+
+#define NETBSD_ENTRY_POINT "__start"
+
+#if DEFAULT_ARCH32_P
+#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
+#else
+#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
+#endif
+
+/* What extra spec entries do we need?  */
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+  { "link_arch32",		LINK_ARCH32_SPEC }, \
+  { "link_arch64",		LINK_ARCH64_SPEC }, \
+  { "link_arch_default",	LINK_ARCH_DEFAULT_SPEC }, \
+  { "link_arch",		LINK_ARCH_SPEC }, \
+  { "netbsd_cpp_spec",		NETBSD_CPP_SPEC }, \
+  { "netbsd_link_spec",		NETBSD_LINK_SPEC_ELF }, \
+  { "netbsd_entry_point",	NETBSD_ENTRY_POINT },
+
+
+/* Build a compiler that supports -m32 and -m64?  */
+
+#ifdef SPARC_BI_ARCH
+
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
+
+#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
+#else
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
+#endif
+
+#undef  CC1_SPEC
+#if DEFAULT_ARCH32_P
+#define CC1_SPEC CC1_SPEC32
+#else
+#define CC1_SPEC CC1_SPEC64
+#endif
+
+#if DEFAULT_ARCH32_P
+#define MULTILIB_DEFAULTS { "m32" }
+#else
+#define MULTILIB_DEFAULTS { "m64" }
+#endif
+
+/* Name the port.  */
+#undef TARGET_NAME
+#define TARGET_NAME     (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
+
+#else	/* SPARC_BI_ARCH */
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
+
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE 128
+
+#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
+
+#undef  CC1_SPEC
+#define CC1_SPEC CC1_SPEC64
+
+#undef TARGET_NAME
+#define TARGET_NAME     TARGET_NAME64
+
+#else	/* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+	|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
+
+/* A 32-bit only compiler.  NetBSD don't support 128 bit `long double'
+   for 32-bit code, unlike Solaris.  */
+
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE 64
+
+#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
+
+#undef  CC1_SPEC
+#define CC1_SPEC CC1_SPEC32
+
+#undef TARGET_NAME
+#define TARGET_NAME     TARGET_NAME32
+
+#endif	/* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+	|| TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
+
+#endif	/* SPARC_BI_ARCH */
+
+/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP