Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / cris / linux.h

diff --git a/gcc/config/cris/linux.h b/gcc/config/cris/linux.h
index 546f38101b9bf4895da64cb3f6a4ae3e850e1914..38f0a7ef8c9f139a84c8fcdcff0fb103d956a1e4 100644 (file)
--- a/gcc/config/cris/linux.h
+++ b/gcc/config/cris/linux.h
@@ -1,12 +1,13 @@
 /* Definitions for GCC.  Part of the machine description for CRIS.
 /* Definitions for GCC.  Part of the machine description for CRIS.

-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 2005, 2006, 2007, 2008
+   Free Software Foundation, Inc.

    Contributed by Axis Communications.  Written by Hans-Peter Nilsson.
 
 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
    Contributed by Axis Communications.  Written by Hans-Peter Nilsson.
 
 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)
+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,
 any later version.
 
 GCC is distributed in the hope that it will be useful,


@@ -15,9 +16,8 @@ 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
 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */

 
 
 /* After the first "Node:" comment comes all preprocessor directives and
 
 
 /* After the first "Node:" comment comes all preprocessor directives and


@@ -36,6 +36,13 @@ Boston, MA 02111-1307, USA.  */
 /* This file defines the macros for cris-axis-linux-gnu that are not
    covered by cris.h, elfos.h and (config/)linux.h.  */
 
 /* This file defines the macros for cris-axis-linux-gnu that are not
    covered by cris.h, elfos.h and (config/)linux.h.  */
 

+/* Make sure we have a valid TARGET_CPU_DEFAULT, so we can assume it
+   and take shortcuts below.  */
+#ifndef TARGET_CPU_DEFAULT
+#error "TARGET_CPU_DEFAULT not defined"
+#elif (TARGET_CPU_DEFAULT+0) != 10 && (TARGET_CPU_DEFAULT+0) != 32
+#error "TARGET_CPU_DEFAULT must be 10 or 32, or this file be updated"
+#endif

 
 /* Node: Instruction Output */
 
 
 /* Node: Instruction Output */
 


@@ -46,59 +53,87 @@ Boston, MA 02111-1307, USA.  */
 /* These macros are CRIS-specific, but used in target driver macros.  */
 
 #undef CRIS_CPP_SUBTARGET_SPEC
 /* These macros are CRIS-specific, but used in target driver macros.  */
 
 #undef CRIS_CPP_SUBTARGET_SPEC

-#define CRIS_CPP_SUBTARGET_SPEC \
-  "-D__gnu_linux__ -D__linux__ -D__unix__  -D__ELF__\
-   %{pthread:-D_REENTRANT}\
-   %{fPIC|fpic: -D__PIC__ -D__pic__}\
-   %{!fleading-underscore:-fno-leading-underscore -D__NO_UNDERSCORES__}\
-   %{!march=*:%{!cpu=*:-D__arch_v10 -D__CRIS_arch_version=10}}\
-   %{!ansi:%{!std=*:%{!undef:-Dlinux -Dunix}\
-     -Asystem(unix) -Asystem(posix) -Acpu(cris) -Amachine(cris)}}"
+#if TARGET_CPU_DEFAULT == 32
+# define CRIS_CPP_SUBTARGET_SPEC \
+  "%{pthread:-D_REENTRANT}\
+   %{!march=*:%{!cpu=*:-D__arch_v32 -D__CRIS_arch_version=32}}"
+#else
+# define CRIS_CPP_SUBTARGET_SPEC \
+  "%{pthread:-D_REENTRANT}\
+   %{!march=*:%{!cpu=*:-D__arch_v10 -D__CRIS_arch_version=10}}"
+#endif

 
 #undef CRIS_CC1_SUBTARGET_SPEC
 
 #undef CRIS_CC1_SUBTARGET_SPEC

-#define CRIS_CC1_SUBTARGET_SPEC \
+#if TARGET_CPU_DEFAULT == 32
+# define CRIS_CC1_SUBTARGET_SPEC \
+ "%{!march=*:%{!cpu=*:-march=v32}}"
+#define CRIS_SUBTARGET_DEFAULT_ARCH MASK_AVOID_GOTPLT
+#else
+# define CRIS_CC1_SUBTARGET_SPEC \

  "%{!march=*:%{!cpu=*:-march=v10}}"
  "%{!march=*:%{!cpu=*:-march=v10}}"

+#define CRIS_SUBTARGET_DEFAULT_ARCH 0
+#endif

 
 #undef CRIS_ASM_SUBTARGET_SPEC
 
 #undef CRIS_ASM_SUBTARGET_SPEC

-#define CRIS_ASM_SUBTARGET_SPEC \
- "--em=criself\
+#if TARGET_CPU_DEFAULT == 32
+# define CRIS_ASM_SUBTARGET_SPEC \
+ "--em=criself \
+  %{!march=*:%{!cpu=*:--march=v32}} \

   %{!fleading-underscore:--no-underscore}\
   %{!fleading-underscore:--no-underscore}\

-  %{fPIC|fpic: --pic}"
+  %{fPIC|fpic|fPIE|fpie: --pic}"
+#else
+# define CRIS_ASM_SUBTARGET_SPEC \
+ "--em=criself \
+  %{!march=*:%{!cpu=*:--march=v10}} \
+  %{!fleading-underscore:--no-underscore}\
+  %{fPIC|fpic|fPIE|fpie: --pic}"
+#endif

 
 

-/* Provide a legacy -mlinux option.  */
-#undef CRIS_SUBTARGET_SWITCHES
-#define CRIS_SUBTARGET_SWITCHES                                                \
- {"linux",                              0, ""},                        \
- {"gotplt",     -TARGET_MASK_AVOID_GOTPLT, ""},                        \
- {"no-gotplt",   TARGET_MASK_AVOID_GOTPLT,                             \
-  N_("Together with -fpic and -fPIC, do not use GOTPLT references")},
+/* Previously controlled by target_flags.  */
+#undef TARGET_LINUX
+#define TARGET_LINUX 1

 
 #undef CRIS_SUBTARGET_DEFAULT
 #define CRIS_SUBTARGET_DEFAULT                 \
 
 #undef CRIS_SUBTARGET_DEFAULT
 #define CRIS_SUBTARGET_DEFAULT                 \

-  (TARGET_MASK_SVINTO                          \
-   + TARGET_MASK_ETRAX4_ADD                    \
-   + TARGET_MASK_ALIGN_BY_32                   \
-   + TARGET_MASK_ELF                           \
-   + TARGET_MASK_LINUX)
+  (MASK_SVINTO                                 \
+   + MASK_ETRAX4_ADD                           \
+   + MASK_ALIGN_BY_32                          \
+   + CRIS_SUBTARGET_DEFAULT_ARCH)

 
 #undef CRIS_DEFAULT_CPU_VERSION
 #define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG
 
 
 #undef CRIS_DEFAULT_CPU_VERSION
 #define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG
 

-#undef CRIS_SUBTARGET_VERSION
-#define CRIS_SUBTARGET_VERSION " - cris-axis-linux-gnu"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"

 
 /* We need an -rpath-link to ld.so.1, and presumably to each directory
    specified with -B.  */
 #undef CRIS_LINK_SUBTARGET_SPEC
 #define CRIS_LINK_SUBTARGET_SPEC \
  "-mcrislinux\
 
 /* We need an -rpath-link to ld.so.1, and presumably to each directory
    specified with -B.  */
 #undef CRIS_LINK_SUBTARGET_SPEC
 #define CRIS_LINK_SUBTARGET_SPEC \
  "-mcrislinux\

-  -rpath-link include/asm/../..%s\
+  %{B*:-rpath-link %*}\
+  %{!nostdlib:-rpath-link ../sys-include/asm/../../lib%s}\

   %{shared} %{static}\
   %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\
   %{shared} %{static}\
   %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\

-  %{!shared:%{!static:%{rdynamic:-export-dynamic}}}\
+  %{!shared:%{!static:\
+              %{rdynamic:-export-dynamic}\
+              %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}\

   %{!r:%{O2|O3: --gc-sections}}"
 
 
   %{!r:%{O2|O3: --gc-sections}}"
 
 

+/* Node: Run-time Target */
+
+/* For the cris-*-linux* subtarget.  */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()               \
+  do                                           \
+    {                                          \
+      LINUX_TARGET_OS_CPP_BUILTINS();          \
+      if (flag_leading_underscore <= 0)                \
+       builtin_define ("__NO_UNDERSCORES__");  \
+    }                                          \
+  while (0)
+     
+

 /* Node: Sections */
 
 /* GNU/Linux has crti and crtn and does not need the
 /* Node: Sections */
 
 /* GNU/Linux has crti and crtn and does not need the