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* pa64-hpux.h (LIB_SPEC): Link against librt when building static
[pf3gnuchains/gcc-fork.git] / gcc / config / pa / pa-hpux11.h
index 5dcecd4..8d4a807 100644 (file)
-/* Definitions of target machine for GNU compiler, for HP PA-RISC 1.1
-   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler, for HP PA-RISC
+   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007
+   Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+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.
 
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; 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/>.  */
+
+/* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
+   causes trouble when sys/stdsyms.h is included.  As a work around,
+   we define __STDC_EXT__.  A similar situation exists with respect to
+   the definition of __cplusplus.  We define _INCLUDE_LONGLONG
+   to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
+   support).  We define __STDCPP__ to get certain system headers
+   (notably assert.h) to assume standard preprocessor behavior in C++.  */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()                                       \
+  do                                                                   \
+    {                                                                  \
+       builtin_assert ("system=hpux");                                 \
+       builtin_assert ("system=unix");                                 \
+       builtin_define ("__hp9000s800");                                \
+       builtin_define ("__hp9000s800__");                              \
+       builtin_define ("__hpux");                                      \
+       builtin_define ("__hpux__");                                    \
+       builtin_define ("__unix");                                      \
+       builtin_define ("__unix__");                                    \
+       if (c_dialect_cxx ())                                           \
+         {                                                             \
+           builtin_define ("_HPUX_SOURCE");                            \
+           builtin_define ("_INCLUDE_LONGLONG");                       \
+           builtin_define ("__STDC_EXT__");                            \
+           builtin_define ("__STDCPP__");                              \
+         }                                                             \
+       else                                                            \
+         {                                                             \
+           if (!flag_iso)                                              \
+             {                                                         \
+               builtin_define ("_HPUX_SOURCE");                        \
+               if (preprocessing_trad_p ())                            \
+                 {                                                     \
+                   builtin_define ("hp9000s800");                      \
+                   builtin_define ("hppa");                            \
+                   builtin_define ("hpux");                            \
+                   builtin_define ("unix");                            \
+                   builtin_define ("__CLASSIC_C__");                   \
+                   builtin_define ("_PWB");                            \
+                   builtin_define ("PWB");                             \
+                 }                                                     \
+               else                                                    \
+                 builtin_define ("__STDC_EXT__");                      \
+             }                                                         \
+         }                                                             \
+       if (!TARGET_64BIT)                                              \
+         builtin_define ("_ILP32");                                    \
+       if (flag_pa_unix >= 1995 && !flag_iso)                          \
+         {                                                             \
+           builtin_define ("_XOPEN_UNIX");                             \
+           builtin_define ("_XOPEN_SOURCE_EXTENDED");                  \
+         }                                                             \
+       if (TARGET_HPUX_11_11)                                          \
+         {                                                             \
+           if (flag_pa_unix >= 1998)                                   \
+             {                                                         \
+               if (flag_isoc94 || flag_isoc99 || c_dialect_cxx()       \
+                   || !flag_iso)                                       \
+                 builtin_define ("_INCLUDE__STDC_A1_SOURCE");          \
+               if (!flag_iso)                                          \
+                 builtin_define ("_INCLUDE_XOPEN_SOURCE_500");         \
+             }                                                         \
+           else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ())    \
+             warning (0, "-munix=98 option required for C89 "          \
+                      "Amendment 1 features.\n");                      \
+         }                                                             \
+       if (TARGET_SIO)                                                 \
+         builtin_define ("_SIO");                                      \
+       else                                                            \
+         {                                                             \
+           builtin_define ("__hp9000s700");                            \
+           builtin_define ("__hp9000s700__");                          \
+           builtin_define ("_WSIO");                                   \
+         }                                                             \
+    }                                                                  \
+  while (0)
+
+#undef CPP_SPEC
+#define CPP_SPEC \
+  "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
+/* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
+   affect only aCC's C++ library (Rogue Wave-derived) which we do not
+   use, and they violate the user's name space.  */
 
 /* We can debug dynamically linked executables on hpux11; we also
    want dereferencing of a NULL pointer to cause a SEGV.  */
 #undef LINK_SPEC
-#if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & 1)
 #define LINK_SPEC \
-  "%{!mpa-risc-1-0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }} -z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}"
-#else
-#define LINK_SPEC \
-  "-z %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-b}"
-#endif
+  "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
+     %nWarning: consider linking with `-static' as system libraries with\n\
+     %n  profiling support are only provided in archive format}}}\
+   %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
+     %nWarning: consider linking with `-static' as system libraries with\n\
+     %n  profiling support are only provided in archive format}}}\
+   -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
+   %{static:-a archive} %{shared:-b}"
 
-/* Like the default, except no -lg.  */
+/* HP-UX 11 has posix threads.  HP libc contains pthread stubs so that
+   non-threaded applications can be linked with a thread-safe libc
+   without a subsequent loss of performance.  For more details, see
+   <http://docs.hp.com/en/1896/pthreads.html>.  */
 #undef LIB_SPEC
 #define LIB_SPEC \
   "%{!shared:\
-     %{!p:\
-       %{!pg:\
-         %{!threads:-lc}\
-         %{threads:-lcma -lc_r}}\
-       %{p: -L/lib/libp/ -lc}\
-       %{pg: -L/lib/libp/ -lc}}}"
-
-/* The hpux11 assembler requires a .LEVEL pseudo-op at the start of the
-   assembly file.  */
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-do {  \
-     if (TARGET_PA_20) \
-       fputs("\t.LEVEL 2.0\n", FILE); \
-     else if (TARGET_PA_11) \
-       fputs("\t.LEVEL 1.1\n", FILE); \
-     else \
-       fputs("\t.LEVEL 1.0\n", FILE); \
-     fputs ("\t.SPACE $PRIVATE$\n\
-\t.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31\n\
-\t.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82\n\
-\t.SPACE $TEXT$\n\
-\t.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44\n\
-\t.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY\n\
-\t.IMPORT $global$,DATA\n\
-\t.IMPORT $$dyncall,MILLICODE\n", FILE);\
-     if (profile_flag)\
-       fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
-     if (write_symbols != NO_DEBUG) \
-       output_file_directive ((FILE), main_input_filename); \
-   } while (0)
+     %{static|mt|pthread:%{fopenmp:%{static:-a archive_shared} -lrt\
+       %{static:-a archive}} -lpthread} -lc\
+     %{static:%{!nolibdld:-a archive_shared -ldld -a archive -lc}}}\
+   %{shared:%{mt|pthread:-lpthread}}"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+  "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
+     %{!munix=93:unix95%O%s}}"
 
 /* Under hpux11, the normal location of the `ld' and `as' programs is the
    /usr/ccs/bin directory.  */
 
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
 #undef MD_EXEC_PREFIX
 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
 #endif
 
-/* Under hpux11 the normal location of the various *crt*.o files is the
-   /usr/ccs/lib directory.  */
+/* Under hpux11 the normal location of the various *crt*.o files is
+   the /usr/ccs/lib directory.  However, the profiling files are in
+   /opt/langtools/lib.  */
 
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
 #undef MD_STARTFILE_PREFIX
 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
+#define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
 #endif
 
 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
    better than the assembler shipped with older versions of hpux.  */
-#define NEW_HP_ASSEMBLER
+#undef NEW_HP_ASSEMBLER
+#define NEW_HP_ASSEMBLER 1
 
 /* Make GCC agree with types.h.  */
 #undef SIZE_TYPE
@@ -91,3 +161,24 @@ do {  \
 
 #define SIZE_TYPE "long unsigned int"
 #define PTRDIFF_TYPE "long int"
+
+/* HP-UX 11.0 and above provides initialization and finalization function
+   support from linker command line.  We don't need to invoke __main to run
+   constructors.  We also don't need chatr to determine the dependencies of
+   dynamically linked executables and shared libraries.  */
+#undef LDD_SUFFIX
+#undef PARSE_LDD_OUTPUT
+#undef HAS_INIT_SECTION
+#define HAS_INIT_SECTION 1
+#undef LD_INIT_SWITCH
+#define LD_INIT_SWITCH "+init"
+#undef LD_FINI_SWITCH
+#define LD_FINI_SWITCH "+fini"
+
+/* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
+   with secondary definition (weak) symbols.  */
+#undef TARGET_SOM_SDEF
+#define TARGET_SOM_SDEF 1
+
+#undef TARGET_HPUX_11
+#define TARGET_HPUX_11 1