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 3077776..6d88e32 100644 (file)
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -1,13 +1,13 @@
 /* Target definitions for GNU compiler for PowerPC running System V.4
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 /* Target definitions for GNU compiler for PowerPC running System V.4
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

-   2004, 2005 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.
 
    GCC is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published
    Contributed by Cygnus Support.
 
    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
+   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
    option) any later version.
 
    GCC is distributed in the hope that it will be useful, but WITHOUT


@@ -15,10 +15,14 @@
    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
    License for more details.
 
    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 COPYING.  If not, write to the
-   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
-   MA 02110-1301, USA.  */
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */

 
 /* Header files should be C++ aware in general.  */
 #undef  NO_IMPLICIT_EXTERN_C
 
 /* Header files should be C++ aware in general.  */
 #undef  NO_IMPLICIT_EXTERN_C


@@ -55,9 +59,11 @@ extern enum rs6000_sdata_type rs6000_sdata;
 
 #define        TARGET_BITFIELD_TYPE    (! TARGET_NO_BITFIELD_TYPE)
 #define        TARGET_BIG_ENDIAN       (! TARGET_LITTLE_ENDIAN)
 
 #define        TARGET_BITFIELD_TYPE    (! TARGET_NO_BITFIELD_TYPE)
 #define        TARGET_BIG_ENDIAN       (! TARGET_LITTLE_ENDIAN)

+#define        TARGET_PROTOTYPE        target_prototype

 #define        TARGET_NO_PROTOTYPE     (! TARGET_PROTOTYPE)
 #define        TARGET_NO_TOC           (! TARGET_TOC)
 #define        TARGET_NO_EABI          (! TARGET_EABI)
 #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
 
 #ifdef HAVE_AS_REL16
 #undef TARGET_SECURE_PLT


@@ -70,18 +76,12 @@ extern const char *rs6000_tls_size_string; /* For -mtls-size= */
 
 #define SDATA_DEFAULT_SIZE 8
 
 
 #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 {                                                                   \
 
 #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)                                         \
     g_switch_value = SDATA_DEFAULT_SIZE;                               \
                                                                        \
   if (rs6000_abi_name == NULL)                                         \


@@ -120,9 +120,9 @@ do {                                                                        \
   else if (!strcmp (rs6000_abi_name, "i960-old"))                      \
     {                                                                  \
       rs6000_current_abi = ABI_V4;                                     \
   else if (!strcmp (rs6000_abi_name, "i960-old"))                      \
     {                                                                  \
       rs6000_current_abi = ABI_V4;                                     \

-      target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI                  \
-                      | MASK_NO_BITFIELD_WORD);                        \
+      target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI);                        \

       target_flags &= ~MASK_STRICT_ALIGN;                              \
       target_flags &= ~MASK_STRICT_ALIGN;                              \

+      TARGET_NO_BITFIELD_WORD = 1;                                     \

     }                                                                  \
   else                                                                 \
     {                                                                  \
     }                                                                  \
   else                                                                 \
     {                                                                  \


@@ -217,7 +217,10 @@ do {                                                                       \
                                                                        \
   /* Treat -fPIC the same as -mrelocatable.  */                                \
   if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX)                          \
                                                                        \
   /* Treat -fPIC the same as -mrelocatable.  */                                \
   if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX)                          \

-    target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
+    {                                                                  \
+      target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC;             \
+      TARGET_NO_FP_IN_TOC = 1;                                         \
+    }                                                                  \

                                                                        \
   else if (TARGET_RELOCATABLE)                                         \
     flag_pic = 2;                                                      \
                                                                        \
   else if (TARGET_RELOCATABLE)                                         \
     flag_pic = 2;                                                      \


@@ -255,28 +258,26 @@ do {                                                                      \
 #define        BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 #define        WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
 
 #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.
 /* Define cutoff for using external functions to save floating point.

-   Currently on V.4, always use inline stores.  */
-#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
+   When optimizing for size, use external functions when profitable.  */
+#define FP_SAVE_INLINE(FIRST_REG) (optimize_size                       \
+                                  ? ((FIRST_REG) == 62                 \
+                                     || (FIRST_REG) == 63)             \
+                                  : (FIRST_REG) < 64)
+/* And similarly for general purpose registers.  */
+#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32    \
+                                  && !optimize_size)

 
 /* Put jump tables in read-only memory, rather than in .text.  */
 #define JUMP_TABLES_IN_TEXT_SECTION 0
 
 /* Prefix and suffix to use to saving floating point.  */
 #define        SAVE_FP_PREFIX "_savefpr_"
 
 /* Put jump tables in read-only memory, rather than in .text.  */
 #define JUMP_TABLES_IN_TEXT_SECTION 0
 
 /* Prefix and suffix to use to saving floating point.  */
 #define        SAVE_FP_PREFIX "_savefpr_"

-#define SAVE_FP_SUFFIX "_l"
+#define SAVE_FP_SUFFIX ""

 
 /* Prefix and suffix to use to restoring floating point.  */
 #define        RESTORE_FP_PREFIX "_restfpr_"
 
 /* Prefix and suffix to use to restoring floating point.  */
 #define        RESTORE_FP_PREFIX "_restfpr_"

-#define RESTORE_FP_SUFFIX "_l"
+#define RESTORE_FP_SUFFIX ""

 
 /* Type used for ptrdiff_t, as a string used in a declaration.  */
 #define PTRDIFF_TYPE "int"
 
 /* Type used for ptrdiff_t, as a string used in a declaration.  */
 #define PTRDIFF_TYPE "int"


@@ -359,139 +360,20 @@ do {                                                                     \
 #define        SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
 #define        SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
 
 #define        SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
 #define        SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
 

-/* Besides the usual ELF sections, we need a toc section.  */
-/* Override elfos.h definition.  */
-#undef EXTRA_SECTIONS
-#define        EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
-
-/* Override elfos.h definition.  */
-#undef EXTRA_SECTION_FUNCTIONS
-#define        EXTRA_SECTION_FUNCTIONS                                         \
-  TOC_SECTION_FUNCTION                                                 \
-  SDATA_SECTION_FUNCTION                                               \
-  SDATA2_SECTION_FUNCTION                                              \
-  SBSS_SECTION_FUNCTION                                                        \
-  INIT_SECTION_FUNCTION                                                        \
-  FINI_SECTION_FUNCTION
-
-#define        TOC_SECTION_FUNCTION                                            \
-void                                                                   \
-toc_section (void)                                                     \
-{                                                                      \
-  if (in_section != in_toc)                                            \
-    {                                                                  \
-      in_section = in_toc;                                             \
-      if (DEFAULT_ABI == ABI_AIX                                       \
-         && TARGET_MINIMAL_TOC                                         \
-         && !TARGET_RELOCATABLE)                                       \
-       {                                                               \
-         if (! toc_initialized)                                        \
-           {                                                           \
-             toc_initialized = 1;                                      \
-             fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);       \
-             (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
-             fprintf (asm_out_file, "\t.tc ");                         \
-             ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
-             ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
-             fprintf (asm_out_file, "\n");                             \
-                                                                       \
-             fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
-             ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
-             fprintf (asm_out_file, " = .+32768\n");                   \
-           }                                                           \
-         else                                                          \
-           fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
-       }                                                               \
-      else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE)          \
-       fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP);             \
-      else                                                             \
-       {                                                               \
-         fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP);   \
-         if (! toc_initialized)                                        \
-           {                                                           \
-             ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
-             fprintf (asm_out_file, " = .+32768\n");                   \
-             toc_initialized = 1;                                      \
-           }                                                           \
-       }                                                               \
-    }                                                                  \
-}                                                                      \
-                                                                       \
-extern int in_toc_section (void);                                      \
-int in_toc_section (void)                                              \
-{                                                                      \
-  return in_section == in_toc;                                         \
-}
-
-#define        SDATA_SECTION_FUNCTION                                          \
-void                                                                   \
-sdata_section (void)                                                   \
-{                                                                      \
-  if (in_section != in_sdata)                                          \
-    {                                                                  \
-      in_section = in_sdata;                                           \
-      fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP);            \
-    }                                                                  \
-}
-
-#define        SDATA2_SECTION_FUNCTION                                         \
-void                                                                   \
-sdata2_section (void)                                                  \
-{                                                                      \
-  if (in_section != in_sdata2)                                         \
-    {                                                                  \
-      in_section = in_sdata2;                                          \
-      fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP);           \
-    }                                                                  \
-}
-
-#define        SBSS_SECTION_FUNCTION                                           \
-void                                                                   \
-sbss_section (void)                                                    \
-{                                                                      \
-  if (in_section != in_sbss)                                           \
-    {                                                                  \
-      in_section = in_sbss;                                            \
-      fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP);             \
-    }                                                                  \
-}
-
-#define        INIT_SECTION_FUNCTION                                           \
-void                                                                   \
-init_section (void)                                                    \
-{                                                                      \
-  if (in_section != in_init)                                           \
-    {                                                                  \
-      in_section = in_init;                                            \
-      fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP);             \
-    }                                                                  \
-}
-
-#define        FINI_SECTION_FUNCTION                                           \
-void                                                                   \
-fini_section (void)                                                    \
-{                                                                      \
-  if (in_section != in_fini)                                           \
-    {                                                                  \
-      in_section = in_fini;                                            \
-      fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP);             \
-    }                                                                  \
-}
-

 /* Override default elf definitions.  */
 /* Override default elf definitions.  */

+#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
+#undef  TARGET_ASM_RELOC_RW_MASK
+#define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask

 #undef TARGET_ASM_SELECT_RTX_SECTION
 #define        TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
 #undef TARGET_ASM_SELECT_RTX_SECTION
 #define        TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section

-#undef TARGET_ASM_SELECT_SECTION
-#define        TARGET_ASM_SELECT_SECTION  rs6000_elf_select_section
-#define TARGET_ASM_UNIQUE_SECTION  rs6000_elf_unique_section

 
 /* Return nonzero if this entry is to be written into the constant pool
    in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
    containing one of them.  If -mfp-in-toc (the default), we also do
    this for floating-point constants.  We actually can only do this
    if the FP formats of the target and host machines are the same, but
 
 /* Return nonzero if this entry is to be written into the constant pool
    in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
    containing one of them.  If -mfp-in-toc (the default), we also do
    this for floating-point constants.  We actually can only do this
    if the FP formats of the target and host machines are the same, but

-   we can't check that since not every file that uses
-   GO_IF_LEGITIMATE_ADDRESS_P includes real.h.
+   we can't check that since not every file that uses these target macros
+   includes real.h.

 
    Unlike AIX, we don't key off of -mminimal-toc, but instead do not
    allow floating point constants in the TOC if -mrelocatable.  */
 
    Unlike AIX, we don't key off of -mminimal-toc, but instead do not
    allow floating point constants in the TOC if -mrelocatable.  */


@@ -555,7 +437,7 @@ extern int rs6000_pic_labelno;
 do {                                                                   \
   if ((DECL) && rs6000_elf_in_small_data_p (DECL))                     \
     {                                                                  \
 do {                                                                   \
   if ((DECL) && rs6000_elf_in_small_data_p (DECL))                     \
     {                                                                  \

-      sbss_section ();                                                 \
+      switch_to_section (sbss_section);                                        \

       ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT));     \
       ASM_OUTPUT_LABEL (FILE, NAME);                                   \
       ASM_OUTPUT_SKIP (FILE, SIZE);                                    \
       ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT));     \
       ASM_OUTPUT_LABEL (FILE, NAME);                                   \
       ASM_OUTPUT_SKIP (FILE, SIZE);                                    \


@@ -624,12 +506,8 @@ do {                                                                       \
 
 /* Override svr4.h definition.  */
 #undef SWITCH_TAKES_ARG
 
 /* 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;
 
 
 extern int fixuplabelno;
 


@@ -646,23 +524,8 @@ extern int fixuplabelno;
 /* Historically we have also supported stabs debugging.  */
 #define DBX_DEBUGGING_INFO 1
 
 /* Historically we have also supported stabs debugging.  */
 #define DBX_DEBUGGING_INFO 1
 

-#define DBX_REGISTER_NUMBER(REGNO) rs6000_dbx_register_number (REGNO)
-
-/* Map register numbers held in the call frame info that gcc has
-   collected using DWARF_FRAME_REGNUM to those that should be output in
-   .debug_frame and .eh_frame.  We continue to use gcc hard reg numbers
-   for .eh_frame, but use the numbers mandated by the various ABIs for
-   .debug_frame.  rs6000_emit_prologue has translated any combination of
-   CR2, CR3, CR4 saves to a save of CR2.  The actual code emitted saves
-   the whole of CR, so we map CR2_REGNO to the DWARF reg for CR.  */
-#define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH)    \
-  ((FOR_EH) ? (REGNO)                          \
-   : (REGNO) == CR2_REGNO ? 64                 \
-   : DBX_REGISTER_NUMBER (REGNO))
-

 #define TARGET_ENCODE_SECTION_INFO  rs6000_elf_encode_section_info
 #define TARGET_IN_SMALL_DATA_P  rs6000_elf_in_small_data_p
 #define TARGET_ENCODE_SECTION_INFO  rs6000_elf_encode_section_info
 #define TARGET_IN_SMALL_DATA_P  rs6000_elf_in_small_data_p

-#define TARGET_SECTION_TYPE_FLAGS  rs6000_elf_section_type_flags

 
 /* The ELF version doesn't encode [DS] or whatever at the end of symbols.  */
 
 
 /* The ELF version doesn't encode [DS] or whatever at the end of symbols.  */
 


@@ -709,10 +572,10 @@ extern int fixuplabelno;
 /* Override svr4.h definition.  */
 #undef ASM_SPEC
 #define        ASM_SPEC "%(asm_cpu) \
 /* Override svr4.h definition.  */
 #undef ASM_SPEC
 #define        ASM_SPEC "%(asm_cpu) \

-%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
-%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
-%{memb|msdata|msdata=eabi: -memb} \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+SVR4_ASM_SPEC \
+"%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
+%{memb|msdata=eabi: -memb} \

 %{mlittle|mlittle-endian:-mlittle; \
   mbig|mbig-endian      :-mbig;    \
   mcall-aixdesc |                 \
 %{mlittle|mlittle-endian:-mlittle; \
   mbig|mbig-endian      :-mbig;    \
   mcall-aixdesc |                 \


@@ -739,7 +602,7 @@ extern int fixuplabelno;
 #endif
 
 /* Pass -G xxx to the compiler and set correct endian mode.  */
 #endif
 
 /* Pass -G xxx to the compiler and set correct endian mode.  */

-#define        CC1_SPEC "%{G*} \
+#define        CC1_SPEC "%{G*} %(cc1_cpu) \

 %{mlittle|mlittle-endian: %(cc1_endian_little);           \
   mbig   |mbig-endian   : %(cc1_endian_big);              \
   mcall-aixdesc |                                        \
 %{mlittle|mlittle-endian: %(cc1_endian_little);           \
   mbig   |mbig-endian   : %(cc1_endian_big);              \
   mcall-aixdesc |                                        \


@@ -765,7 +628,7 @@ extern int fixuplabelno;
 %{profile: -p}"
 
 /* Don't put -Y P,<path> for cross compilers.  */
 %{profile: -p}"
 
 /* Don't put -Y P,<path> for cross compilers.  */

-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE

 #define LINK_PATH_SPEC "\
 %{!R*:%{L*:-R %*}} \
 %{!nostdlib: %{!YP,*: \
 #define LINK_PATH_SPEC "\
 %{!R*:%{L*:-R %*}} \
 %{!nostdlib: %{!YP,*: \


@@ -787,7 +650,6 @@ extern int fixuplabelno;
   myellowknife : %(link_start_yellowknife) ; \
   mmvme        : %(link_start_mvme)        ; \
   msim         : %(link_start_sim)         ; \
   myellowknife : %(link_start_yellowknife) ; \
   mmvme        : %(link_start_mvme)        ; \
   msim         : %(link_start_sim)         ; \

-  mwindiss     : %(link_start_windiss)     ; \

   mcall-freebsd: %(link_start_freebsd)     ; \
   mcall-linux  : %(link_start_linux)       ; \
   mcall-gnu    : %(link_start_gnu)         ; \
   mcall-freebsd: %(link_start_freebsd)     ; \
   mcall-linux  : %(link_start_linux)       ; \
   mcall-gnu    : %(link_start_gnu)         ; \


@@ -845,7 +707,6 @@ extern int fixuplabelno;
   myellowknife : %(link_os_yellowknife) ; \
   mmvme        : %(link_os_mvme)        ; \
   msim         : %(link_os_sim)         ; \
   myellowknife : %(link_os_yellowknife) ; \
   mmvme        : %(link_os_mvme)        ; \
   msim         : %(link_os_sim)         ; \

-  mwindiss     : %(link_os_windiss)     ; \

   mcall-freebsd: %(link_os_freebsd)     ; \
   mcall-linux  : %(link_os_linux)       ; \
   mcall-gnu    : %(link_os_gnu)         ; \
   mcall-freebsd: %(link_os_freebsd)     ; \
   mcall-linux  : %(link_os_linux)       ; \
   mcall-gnu    : %(link_os_gnu)         ; \


@@ -855,6 +716,9 @@ extern int fixuplabelno;
 
 #define LINK_OS_DEFAULT_SPEC ""
 
 
 #define LINK_OS_DEFAULT_SPEC ""
 

+#define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
+       %<msingle-float %<mdouble-float}"
+

 /* Override rs6000.h definition.  */
 #undef CPP_SPEC
 #define        CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
 /* Override rs6000.h definition.  */
 #undef CPP_SPEC
 #define        CPP_SPEC "%{posix: -D_POSIX_SOURCE} \


@@ -862,7 +726,6 @@ extern int fixuplabelno;
   myellowknife : %(cpp_os_yellowknife) ; \
   mmvme        : %(cpp_os_mvme)        ; \
   msim         : %(cpp_os_sim)         ; \
   myellowknife : %(cpp_os_yellowknife) ; \
   mmvme        : %(cpp_os_mvme)        ; \
   msim         : %(cpp_os_sim)         ; \

-  mwindiss     : %(cpp_os_windiss)     ; \

   mcall-freebsd: %(cpp_os_freebsd)     ; \
   mcall-linux  : %(cpp_os_linux)       ; \
   mcall-gnu    : %(cpp_os_gnu)         ; \
   mcall-freebsd: %(cpp_os_freebsd)     ; \
   mcall-linux  : %(cpp_os_linux)       ; \
   mcall-gnu    : %(cpp_os_gnu)         ; \


@@ -879,7 +742,6 @@ extern int fixuplabelno;
   myellowknife : %(startfile_yellowknife) ; \
   mmvme        : %(startfile_mvme)        ; \
   msim         : %(startfile_sim)         ; \
   myellowknife : %(startfile_yellowknife) ; \
   mmvme        : %(startfile_mvme)        ; \
   msim         : %(startfile_sim)         ; \

-  mwindiss     : %(startfile_windiss)     ; \

   mcall-freebsd: %(startfile_freebsd)     ; \
   mcall-linux  : %(startfile_linux)       ; \
   mcall-gnu    : %(startfile_gnu)         ; \
   mcall-freebsd: %(startfile_freebsd)     ; \
   mcall-linux  : %(startfile_linux)       ; \
   mcall-gnu    : %(startfile_gnu)         ; \


@@ -887,7 +749,7 @@ extern int fixuplabelno;
   mcall-openbsd: %(startfile_openbsd)     ; \
                : %(startfile_default)     }"
 
   mcall-openbsd: %(startfile_openbsd)     ; \
                : %(startfile_default)     }"
 

-#define        STARTFILE_DEFAULT_SPEC ""
+#define        STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"

 
 /* Override svr4.h definition.  */
 #undef LIB_SPEC
 
 /* Override svr4.h definition.  */
 #undef LIB_SPEC


@@ -896,7 +758,6 @@ extern int fixuplabelno;
   myellowknife : %(lib_yellowknife) ; \
   mmvme        : %(lib_mvme)        ; \
   msim         : %(lib_sim)         ; \
   myellowknife : %(lib_yellowknife) ; \
   mmvme        : %(lib_mvme)        ; \
   msim         : %(lib_sim)         ; \

-  mwindiss     : %(lib_windiss)     ; \

   mcall-freebsd: %(lib_freebsd)     ; \
   mcall-linux  : %(lib_linux)       ; \
   mcall-gnu    : %(lib_gnu)         ; \
   mcall-freebsd: %(lib_freebsd)     ; \
   mcall-linux  : %(lib_linux)       ; \
   mcall-gnu    : %(lib_gnu)         ; \


@@ -904,26 +765,25 @@ extern int fixuplabelno;
   mcall-openbsd: %(lib_openbsd)     ; \
                : %(lib_default)     }"
 
   mcall-openbsd: %(lib_openbsd)     ; \
                : %(lib_default)     }"
 

-#define LIB_DEFAULT_SPEC ""
+#define LIB_DEFAULT_SPEC "-lc"

 
 /* Override svr4.h definition.  */
 #undef ENDFILE_SPEC
 #define        ENDFILE_SPEC "\
 
 /* Override svr4.h definition.  */
 #undef ENDFILE_SPEC
 #define        ENDFILE_SPEC "\

-%{mads         : crtsavres.o%s        %(endfile_ads)         ; \
-  myellowknife : crtsavres.o%s        %(endfile_yellowknife) ; \
-  mmvme        : crtsavres.o%s        %(endfile_mvme)        ; \
-  msim         : crtsavres.o%s        %(endfile_sim)         ; \
-  mwindiss     :                      %(endfile_windiss)     ; \
-  mcall-freebsd: crtsavres.o%s        %(endfile_freebsd)     ; \
-  mcall-linux  : crtsavres.o%s        %(endfile_linux)       ; \
-  mcall-gnu    : crtsavres.o%s        %(endfile_gnu)         ; \
-  mcall-netbsd : crtsavres.o%s        %(endfile_netbsd)      ; \
-  mcall-openbsd: crtsavres.o%s        %(endfile_openbsd)     ; \
+%{mads         : %(endfile_ads)         ; \
+  myellowknife : %(endfile_yellowknife) ; \
+  mmvme        : %(endfile_mvme)        ; \
+  msim         : %(endfile_sim)         ; \
+  mcall-freebsd: %(endfile_freebsd)     ; \
+  mcall-linux  : %(endfile_linux)       ; \
+  mcall-gnu    : %(endfile_gnu)         ; \
+  mcall-netbsd : %(endfile_netbsd)      ; \
+  mcall-openbsd: %(endfile_openbsd)     ; \

                : %(crtsavres_default) %(endfile_default)     }"
 
                : %(crtsavres_default) %(endfile_default)     }"
 

-#define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
+#define CRTSAVRES_DEFAULT_SPEC ""

 
 

-#define        ENDFILE_DEFAULT_SPEC ""
+#define        ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"

 
 /* Motorola ADS support.  */
 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
 
 /* Motorola ADS support.  */
 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"


@@ -1023,9 +883,21 @@ extern int fixuplabelno;
 
 #define LINK_START_LINUX_SPEC ""
 
 
 #define LINK_START_LINUX_SPEC ""
 

+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#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
+#error "Unsupported DEFAULT_LIBC"
+#endif
+#define LINUX_DYNAMIC_LINKER \
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+

 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
   %{rdynamic:-export-dynamic} \
 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
   %{rdynamic:-export-dynamic} \

-  %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
+  %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"

 
 #if defined(HAVE_LD_EH_FRAME_HDR)
 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 
 #if defined(HAVE_LD_EH_FRAME_HDR)
 # define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "


@@ -1114,25 +986,6 @@ ncrtn.o%s"
 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
 #endif
 
 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
 #endif
 

-/* WindISS support.  */
-
-#define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
-
-#define CPP_OS_WINDISS_SPEC "\
--D__rtasim \
--D__EABI__ \
--D__ppc \
-%{!msoft-float: -D__hardfp} \
-"
-
-#define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s"
-
-#define ENDFILE_WINDISS_SPEC "crtend.o%s"
-
-#define LINK_START_WINDISS_SPEC ""
-
-#define LINK_OS_WINDISS_SPEC ""
-

 /* Define any extra SPECS that the compiler needs to generate.  */
 /* Override rs6000.h definition.  */
 #undef SUBTARGET_EXTRA_SPECS
 /* Define any extra SPECS that the compiler needs to generate.  */
 /* Override rs6000.h definition.  */
 #undef SUBTARGET_EXTRA_SPECS


@@ -1147,7 +1000,6 @@ ncrtn.o%s"
   { "lib_linux",               LIB_LINUX_SPEC },                       \
   { "lib_netbsd",              LIB_NETBSD_SPEC },                      \
   { "lib_openbsd",             LIB_OPENBSD_SPEC },                     \
   { "lib_linux",               LIB_LINUX_SPEC },                       \
   { "lib_netbsd",              LIB_NETBSD_SPEC },                      \
   { "lib_openbsd",             LIB_OPENBSD_SPEC },                     \

-  { "lib_windiss",             LIB_WINDISS_SPEC },                     \

   { "lib_default",             LIB_DEFAULT_SPEC },                     \
   { "startfile_ads",           STARTFILE_ADS_SPEC },                   \
   { "startfile_yellowknife",   STARTFILE_YELLOWKNIFE_SPEC },           \
   { "lib_default",             LIB_DEFAULT_SPEC },                     \
   { "startfile_ads",           STARTFILE_ADS_SPEC },                   \
   { "startfile_yellowknife",   STARTFILE_YELLOWKNIFE_SPEC },           \


@@ -1158,7 +1010,6 @@ ncrtn.o%s"
   { "startfile_linux",         STARTFILE_LINUX_SPEC },                 \
   { "startfile_netbsd",                STARTFILE_NETBSD_SPEC },                \
   { "startfile_openbsd",       STARTFILE_OPENBSD_SPEC },               \
   { "startfile_linux",         STARTFILE_LINUX_SPEC },                 \
   { "startfile_netbsd",                STARTFILE_NETBSD_SPEC },                \
   { "startfile_openbsd",       STARTFILE_OPENBSD_SPEC },               \

-  { "startfile_windiss",       STARTFILE_WINDISS_SPEC },               \

   { "startfile_default",       STARTFILE_DEFAULT_SPEC },               \
   { "endfile_ads",             ENDFILE_ADS_SPEC },                     \
   { "endfile_yellowknife",     ENDFILE_YELLOWKNIFE_SPEC },             \
   { "startfile_default",       STARTFILE_DEFAULT_SPEC },               \
   { "endfile_ads",             ENDFILE_ADS_SPEC },                     \
   { "endfile_yellowknife",     ENDFILE_YELLOWKNIFE_SPEC },             \


@@ -1169,7 +1020,6 @@ ncrtn.o%s"
   { "endfile_linux",           ENDFILE_LINUX_SPEC },                   \
   { "endfile_netbsd",          ENDFILE_NETBSD_SPEC },                  \
   { "endfile_openbsd",         ENDFILE_OPENBSD_SPEC },                 \
   { "endfile_linux",           ENDFILE_LINUX_SPEC },                   \
   { "endfile_netbsd",          ENDFILE_NETBSD_SPEC },                  \
   { "endfile_openbsd",         ENDFILE_OPENBSD_SPEC },                 \

-  { "endfile_windiss",         ENDFILE_WINDISS_SPEC },                 \

   { "endfile_default",         ENDFILE_DEFAULT_SPEC },                 \
   { "link_path",               LINK_PATH_SPEC },                       \
   { "link_shlib",              LINK_SHLIB_SPEC },                      \
   { "endfile_default",         ENDFILE_DEFAULT_SPEC },                 \
   { "link_path",               LINK_PATH_SPEC },                       \
   { "link_shlib",              LINK_SHLIB_SPEC },                      \


@@ -1184,7 +1034,6 @@ ncrtn.o%s"
   { "link_start_linux",                LINK_START_LINUX_SPEC },                \
   { "link_start_netbsd",       LINK_START_NETBSD_SPEC },               \
   { "link_start_openbsd",      LINK_START_OPENBSD_SPEC },              \
   { "link_start_linux",                LINK_START_LINUX_SPEC },                \
   { "link_start_netbsd",       LINK_START_NETBSD_SPEC },               \
   { "link_start_openbsd",      LINK_START_OPENBSD_SPEC },              \

-  { "link_start_windiss",      LINK_START_WINDISS_SPEC },              \

   { "link_start_default",      LINK_START_DEFAULT_SPEC },              \
   { "link_os",                 LINK_OS_SPEC },                         \
   { "link_os_ads",             LINK_OS_ADS_SPEC },                     \
   { "link_start_default",      LINK_START_DEFAULT_SPEC },              \
   { "link_os",                 LINK_OS_SPEC },                         \
   { "link_os_ads",             LINK_OS_ADS_SPEC },                     \


@@ -1196,7 +1045,6 @@ ncrtn.o%s"
   { "link_os_gnu",             LINK_OS_GNU_SPEC },                     \
   { "link_os_netbsd",          LINK_OS_NETBSD_SPEC },                  \
   { "link_os_openbsd",         LINK_OS_OPENBSD_SPEC },                 \
   { "link_os_gnu",             LINK_OS_GNU_SPEC },                     \
   { "link_os_netbsd",          LINK_OS_NETBSD_SPEC },                  \
   { "link_os_openbsd",         LINK_OS_OPENBSD_SPEC },                 \

-  { "link_os_windiss",         LINK_OS_WINDISS_SPEC },                 \

   { "link_os_default",         LINK_OS_DEFAULT_SPEC },                 \
   { "cc1_endian_big",          CC1_ENDIAN_BIG_SPEC },                  \
   { "cc1_endian_little",       CC1_ENDIAN_LITTLE_SPEC },               \
   { "link_os_default",         LINK_OS_DEFAULT_SPEC },                 \
   { "cc1_endian_big",          CC1_ENDIAN_BIG_SPEC },                  \
   { "cc1_endian_little",       CC1_ENDIAN_LITTLE_SPEC },               \


@@ -1211,7 +1059,6 @@ ncrtn.o%s"
   { "cpp_os_linux",            CPP_OS_LINUX_SPEC },                    \
   { "cpp_os_netbsd",           CPP_OS_NETBSD_SPEC },                   \
   { "cpp_os_openbsd",          CPP_OS_OPENBSD_SPEC },                  \
   { "cpp_os_linux",            CPP_OS_LINUX_SPEC },                    \
   { "cpp_os_netbsd",           CPP_OS_NETBSD_SPEC },                   \
   { "cpp_os_openbsd",          CPP_OS_OPENBSD_SPEC },                  \

-  { "cpp_os_windiss",          CPP_OS_WINDISS_SPEC },                  \

   { "cpp_os_default",          CPP_OS_DEFAULT_SPEC },                  \
   { "fbsd_dynamic_linker",     FBSD_DYNAMIC_LINKER },                  \
   SUBSUBTARGET_EXTRA_SPECS
   { "cpp_os_default",          CPP_OS_DEFAULT_SPEC },                  \
   { "fbsd_dynamic_linker",     FBSD_DYNAMIC_LINKER },                  \
   SUBSUBTARGET_EXTRA_SPECS