gcc/

[pf3gnuchains/gcc-fork.git] / gcc / config / rs6000 / sysv4.h

diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index 5377b47..6d88e32 100644 (file)
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -1,6 +1,6 @@
 /* Target definitions for GNU compiler for PowerPC running System V.4
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+   2004, 2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
    This file is part of GCC.
@@ -63,6 +63,7 @@ extern enum rs6000_sdata_type rs6000_sdata;
 #define        TARGET_NO_PROTOTYPE     (! TARGET_PROTOTYPE)
 #define        TARGET_NO_TOC           (! TARGET_TOC)
 #define        TARGET_NO_EABI          (! TARGET_EABI)
+#define        TARGET_REGNAMES         rs6000_regnames
 
 #ifdef HAVE_AS_REL16
 #undef TARGET_SECURE_PLT
@@ -75,18 +76,12 @@ extern const char *rs6000_tls_size_string; /* For -mtls-size= */
 
 #define SDATA_DEFAULT_SIZE 8
 
-/* Sometimes certain combinations of command options do not make sense
-   on a particular target machine.  You can define a macro
-   `OVERRIDE_OPTIONS' to take account of this.  This macro, if
-   defined, is executed once just after all the command options have
-   been parsed.
-
-   The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
-   get control.  */
+/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
+   get control in TARGET_OPTION_OVERRIDE.  */
 
 #define SUBTARGET_OVERRIDE_OPTIONS                                     \
 do {                                                                   \
-  if (!g_switch_set)                                                   \
+  if (!global_options_set.x_g_switch_value)                            \
     g_switch_value = SDATA_DEFAULT_SIZE;                               \
                                                                        \
   if (rs6000_abi_name == NULL)                                         \
@@ -263,14 +258,6 @@ do {                                                                       \
 #define        BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 #define        WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 
-/* Define this to set the endianness to use in libgcc2.c, which can
-   not depend on target_flags.  */
-#if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
-#define LIBGCC2_WORDS_BIG_ENDIAN 1
-#else
-#define LIBGCC2_WORDS_BIG_ENDIAN 0
-#endif
-
 /* Define cutoff for using external functions to save floating point.
    When optimizing for size, use external functions when profitable.  */
 #define FP_SAVE_INLINE(FIRST_REG) (optimize_size                       \
@@ -519,12 +506,8 @@ do {                                                                       \
 
 /* Override svr4.h definition.  */
 #undef SWITCH_TAKES_ARG
-#define        SWITCH_TAKES_ARG(CHAR)                                          \
-  ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o'                     \
-   || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u'                  \
-   || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x'                  \
-   || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V'                  \
-   || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
+#define SWITCH_TAKES_ARG(CHAR)                                         \
+  (DEFAULT_SWITCH_TAKES_ARG (CHAR) || (CHAR) == 'G')
 
 extern int fixuplabelno;
 
@@ -902,10 +885,12 @@ SVR4_ASM_SPEC \
 
 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#if UCLIBC_DEFAULT
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
 #else
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#error "Unsupported DEFAULT_LIBC"
 #endif
 #define LINUX_DYNAMIC_LINKER \
   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)