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[pf3gnuchains/gcc-fork.git] / gcc / config / pa / pa-hpux11.h
1 /* Definitions of target machine for GNU compiler, for HP PA-RISC
2    Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007
3    Free Software Foundation, Inc.
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20
21 /* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
22    causes trouble when sys/stdsyms.h is included.  As a work around,
23    we define __STDC_EXT__.  A similar situation exists with respect to
24    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
25    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
26    support).  We define __STDCPP__ to get certain system headers
27    (notably assert.h) to assume standard preprocessor behavior in C++.  */
28 #undef TARGET_OS_CPP_BUILTINS
29 #define TARGET_OS_CPP_BUILTINS()                                        \
30   do                                                                    \
31     {                                                                   \
32         builtin_assert ("system=hpux");                                 \
33         builtin_assert ("system=unix");                                 \
34         builtin_define ("__hp9000s800");                                \
35         builtin_define ("__hp9000s800__");                              \
36         builtin_define ("__hpux");                                      \
37         builtin_define ("__hpux__");                                    \
38         builtin_define ("__unix");                                      \
39         builtin_define ("__unix__");                                    \
40         if (c_dialect_cxx ())                                           \
41           {                                                             \
42             builtin_define ("_HPUX_SOURCE");                            \
43             builtin_define ("_INCLUDE_LONGLONG");                       \
44             builtin_define ("__STDC_EXT__");                            \
45             builtin_define ("__STDCPP__");                              \
46           }                                                             \
47         else                                                            \
48           {                                                             \
49             if (!flag_iso)                                              \
50               {                                                         \
51                 builtin_define ("_HPUX_SOURCE");                        \
52                 if (preprocessing_trad_p ())                            \
53                   {                                                     \
54                     builtin_define ("hp9000s800");                      \
55                     builtin_define ("hppa");                            \
56                     builtin_define ("hpux");                            \
57                     builtin_define ("unix");                            \
58                     builtin_define ("__CLASSIC_C__");                   \
59                     builtin_define ("_PWB");                            \
60                     builtin_define ("PWB");                             \
61                   }                                                     \
62                 else                                                    \
63                   builtin_define ("__STDC_EXT__");                      \
64               }                                                         \
65           }                                                             \
66         if (!TARGET_64BIT)                                              \
67           builtin_define ("_ILP32");                                    \
68         if (flag_pa_unix >= 1995 && !flag_iso)                          \
69           {                                                             \
70             builtin_define ("_XOPEN_UNIX");                             \
71             builtin_define ("_XOPEN_SOURCE_EXTENDED");                  \
72           }                                                             \
73         if (TARGET_HPUX_11_11)                                          \
74           {                                                             \
75             if (flag_pa_unix >= 1998)                                   \
76               {                                                         \
77                 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx()       \
78                     || !flag_iso)                                       \
79                   builtin_define ("_INCLUDE__STDC_A1_SOURCE");          \
80                 if (!flag_iso)                                          \
81                   builtin_define ("_INCLUDE_XOPEN_SOURCE_500");         \
82               }                                                         \
83             else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ())    \
84               warning (0, "-munix=98 option required for C89 "          \
85                        "Amendment 1 features.\n");                      \
86           }                                                             \
87         if (TARGET_SIO)                                                 \
88           builtin_define ("_SIO");                                      \
89         else                                                            \
90           {                                                             \
91             builtin_define ("__hp9000s700");                            \
92             builtin_define ("__hp9000s700__");                          \
93             builtin_define ("_WSIO");                                   \
94           }                                                             \
95     }                                                                   \
96   while (0)
97
98 #undef CPP_SPEC
99 #define CPP_SPEC \
100   "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
101 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
102    affect only aCC's C++ library (Rogue Wave-derived) which we do not
103    use, and they violate the user's name space.  */
104
105 /* We can debug dynamically linked executables on hpux11; we also
106    want dereferencing of a NULL pointer to cause a SEGV.  */
107 #undef LINK_SPEC
108 #define LINK_SPEC \
109   "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
110      %nWarning: consider linking with `-static' as system libraries with\n\
111      %n  profiling support are only provided in archive format}}}\
112    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
113      %nWarning: consider linking with `-static' as system libraries with\n\
114      %n  profiling support are only provided in archive format}}}\
115    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
116    %{static:-a archive} %{shared:-b}"
117
118 /* HP-UX 11 has posix threads.  HP libc contains pthread stubs so that
119    non-threaded applications can be linked with a thread-safe libc
120    without a subsequent loss of performance.  For more details, see
121    <http://docs.hp.com/en/1896/pthreads.html>.  */
122 #undef LIB_SPEC
123 #define LIB_SPEC \
124   "%{!shared:\
125      %{mt|pthread:-lpthread} -lc \
126      %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}\
127    %{shared:%{mt|pthread:-lpthread}}"
128
129 #undef STARTFILE_SPEC
130 #define STARTFILE_SPEC \
131   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
132      %{!munix=93:unix95%O%s}}"
133
134 /* Under hpux11, the normal location of the `ld' and `as' programs is the
135    /usr/ccs/bin directory.  */
136
137 #ifndef CROSS_DIRECTORY_STRUCTURE
138 #undef MD_EXEC_PREFIX
139 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
140 #endif
141
142 /* Under hpux11 the normal location of the various *crt*.o files is
143    the /usr/ccs/lib directory.  However, the profiling files are in
144    /opt/langtools/lib.  */
145
146 #ifndef CROSS_DIRECTORY_STRUCTURE
147 #undef MD_STARTFILE_PREFIX
148 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
149 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
150 #endif
151
152 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
153    better than the assembler shipped with older versions of hpux.  */
154 #undef NEW_HP_ASSEMBLER
155 #define NEW_HP_ASSEMBLER 1
156
157 /* Make GCC agree with types.h.  */
158 #undef SIZE_TYPE
159 #undef PTRDIFF_TYPE
160
161 #define SIZE_TYPE "long unsigned int"
162 #define PTRDIFF_TYPE "long int"
163
164 /* HP-UX 11.0 and above provides initialization and finalization function
165    support from linker command line.  We don't need to invoke __main to run
166    constructors.  We also don't need chatr to determine the dependencies of
167    dynamically linked executables and shared libraries.  */
168 #undef LDD_SUFFIX
169 #undef PARSE_LDD_OUTPUT
170 #undef HAS_INIT_SECTION
171 #define HAS_INIT_SECTION 1
172 #undef LD_INIT_SWITCH
173 #define LD_INIT_SWITCH "+init"
174 #undef LD_FINI_SWITCH
175 #define LD_FINI_SWITCH "+fini"
176
177 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
178    with secondary definition (weak) symbols.  */
179 #undef TARGET_SOM_SDEF
180 #define TARGET_SOM_SDEF 1
181
182 #undef TARGET_HPUX_11
183 #define TARGET_HPUX_11 1