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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
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 2, 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 COPYING.  If not, write to
19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA.  */
21
22 /* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
23    causes trouble when sys/stdsyms.h is included.  As a work around,
24    we define __STDC_EXT__.  A similar situation exists with respect to
25    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
26    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
27    support).  We define __STDCPP__ to get certain system headers
28    (notably assert.h) to assume standard preprocessor behavior in C++.  */
29 #undef TARGET_OS_CPP_BUILTINS
30 #define TARGET_OS_CPP_BUILTINS()                                        \
31   do                                                                    \
32     {                                                                   \
33         builtin_assert ("system=hpux");                                 \
34         builtin_assert ("system=unix");                                 \
35         builtin_define ("__hp9000s800");                                \
36         builtin_define ("__hp9000s800__");                              \
37         builtin_define ("__hpux");                                      \
38         builtin_define ("__hpux__");                                    \
39         builtin_define ("__unix");                                      \
40         builtin_define ("__unix__");                                    \
41         if (c_dialect_cxx ())                                           \
42           {                                                             \
43             builtin_define ("_HPUX_SOURCE");                            \
44             builtin_define ("_INCLUDE_LONGLONG");                       \
45             builtin_define ("__STDC_EXT__");                            \
46             builtin_define ("__STDCPP__");                              \
47           }                                                             \
48         else                                                            \
49           {                                                             \
50             if (!flag_iso)                                              \
51               {                                                         \
52                 builtin_define ("_HPUX_SOURCE");                        \
53                 if (preprocessing_trad_p ())                            \
54                   {                                                     \
55                     builtin_define ("hp9000s800");                      \
56                     builtin_define ("hppa");                            \
57                     builtin_define ("hpux");                            \
58                     builtin_define ("unix");                            \
59                     builtin_define ("__CLASSIC_C__");                   \
60                     builtin_define ("_PWB");                            \
61                     builtin_define ("PWB");                             \
62                   }                                                     \
63                 else                                                    \
64                   builtin_define ("__STDC_EXT__");                      \
65               }                                                         \
66           }                                                             \
67         if (!TARGET_64BIT)                                              \
68           builtin_define ("_ILP32");                                    \
69         if (flag_pa_unix >= 1995 && !flag_iso)                          \
70           {                                                             \
71             builtin_define ("_XOPEN_UNIX");                             \
72             builtin_define ("_XOPEN_SOURCE_EXTENDED");                  \
73           }                                                             \
74         if (TARGET_HPUX_11_11)                                          \
75           {                                                             \
76             if (flag_pa_unix >= 1998)                                   \
77               {                                                         \
78                 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx()       \
79                     || !flag_iso)                                       \
80                   builtin_define ("_INCLUDE__STDC_A1_SOURCE");          \
81                 if (!flag_iso)                                          \
82                   builtin_define ("_INCLUDE_XOPEN_SOURCE_500");         \
83               }                                                         \
84             else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ())    \
85               warning (0, "-munix=98 option required for C89 "          \
86                        "Amendment 1 features.\n");                      \
87           }                                                             \
88         if (TARGET_SIO)                                                 \
89           builtin_define ("_SIO");                                      \
90         else                                                            \
91           {                                                             \
92             builtin_define ("__hp9000s700");                            \
93             builtin_define ("__hp9000s700__");                          \
94             builtin_define ("_WSIO");                                   \
95           }                                                             \
96     }                                                                   \
97   while (0)
98
99 #undef CPP_SPEC
100 #define CPP_SPEC \
101   "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
102 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
103    affect only aCC's C++ library (Rogue Wave-derived) which we do not
104    use, and they violate the user's name space.  */
105
106 /* We can debug dynamically linked executables on hpux11; we also
107    want dereferencing of a NULL pointer to cause a SEGV.  */
108 #undef LINK_SPEC
109 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_PA_11)
110 #define LINK_SPEC \
111   "%{!mpa-risc-1-0:%{!march=1.0:%{!shared:-L/lib/pa1.1 -L/usr/lib/pa1.1 }}}\
112    %{!shared:%{p:-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    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
116      %nWarning: consider linking with `-static' as system libraries with\n\
117      %n  profiling support are only provided in archive format}}}\
118    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
119    %{static:-a archive} %{shared:-b}"
120 #else
121 #define LINK_SPEC \
122   "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
123      %nWarning: consider linking with `-static' as system libraries with\n\
124      %n  profiling support are only provided in archive format}}}\
125    %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
126      %nWarning: consider linking with `-static' as system libraries with\n\
127      %n  profiling support are only provided in archive format}}}\
128    -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
129    %{static:-a archive} %{shared:-b}"
130 #endif
131
132 /* hpux 11 has posix threads.  */
133 #undef LIB_SPEC
134 #define LIB_SPEC \
135   "%{!shared:\
136      %{mt|pthread:-lpthread} -lc \
137      %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}"
138
139 #undef STARTFILE_SPEC
140 #define STARTFILE_SPEC \
141   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
142      %{!munix=93:unix95%O%s}}"
143
144 /* Under hpux11, the normal location of the `ld' and `as' programs is the
145    /usr/ccs/bin directory.  */
146
147 #ifndef CROSS_COMPILE
148 #undef MD_EXEC_PREFIX
149 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
150 #endif
151
152 /* Under hpux11 the normal location of the various *crt*.o files is
153    the /usr/ccs/lib directory.  However, the profiling files are in
154    /opt/langtools/lib.  */
155
156 #ifndef CROSS_COMPILE
157 #undef MD_STARTFILE_PREFIX
158 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
159 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
160 #endif
161
162 /* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
163    better than the assembler shipped with older versions of hpux.  */
164 #undef NEW_HP_ASSEMBLER
165 #define NEW_HP_ASSEMBLER 1
166
167 /* Make GCC agree with types.h.  */
168 #undef SIZE_TYPE
169 #undef PTRDIFF_TYPE
170
171 #define SIZE_TYPE "long unsigned int"
172 #define PTRDIFF_TYPE "long int"
173
174 /* HP-UX 11.0 and above provides initialization and finalization function
175    support from linker command line.  We don't need to invoke __main to run
176    constructors.  We also don't need chatr to determine the dependencies of
177    dynamically linked executables and shared libraries.  */
178 #undef LDD_SUFFIX
179 #undef PARSE_LDD_OUTPUT
180 #undef HAS_INIT_SECTION
181 #define HAS_INIT_SECTION 1
182 #undef LD_INIT_SWITCH
183 #define LD_INIT_SWITCH "+init"
184 #undef LD_FINI_SWITCH
185 #define LD_FINI_SWITCH "+fini"
186
187 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
188    with secondary definition (weak) symbols.  */
189 #undef TARGET_SOM_SDEF
190 #define TARGET_SOM_SDEF 1