1 /* Definitions of target machine for GNU compiler, for HP PA-RISC 2 Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2011 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 builtin_define ("__STDC_EXT__"); \ 41 if (c_dialect_cxx ()) \ 42 { \ 43 builtin_define ("_HPUX_SOURCE"); \ 44 builtin_define ("_INCLUDE_LONGLONG"); \ 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 } \ 63 } \ 64 if (!TARGET_64BIT) \ 65 builtin_define ("_ILP32"); \ 66 if (flag_pa_unix >= 1995 && !flag_iso) \ 67 { \ 68 builtin_define ("_XOPEN_UNIX"); \ 69 builtin_define ("_XOPEN_SOURCE_EXTENDED"); \ 70 } \ 71 if (TARGET_HPUX_11_11) \ 72 { \ 73 if (flag_pa_unix >= 1998) \ 74 { \ 75 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx() \ 76 || !flag_iso) \ 77 builtin_define ("_INCLUDE__STDC_A1_SOURCE"); \ 78 if (!flag_iso) \ 79 builtin_define ("_INCLUDE_XOPEN_SOURCE_500"); \ 80 } \ 81 else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ()) \ 82 warning (0, "-munix=98 option required for C89 " \ 83 "Amendment 1 features.\n"); \ 84 } \ 85 if (TARGET_SIO) \ 86 builtin_define ("_SIO"); \ 87 else \ 88 { \ 89 builtin_define ("__hp9000s700"); \ 90 builtin_define ("__hp9000s700__"); \ 91 builtin_define ("_WSIO"); \ 92 } \ 93 } \ 94 while (0) 95 96 #undef CPP_SPEC 97 #define CPP_SPEC \ 98 "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}" 99 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These 100 affect only aCC's C++ library (Rogue Wave-derived) which we do not 101 use, and they violate the user's name space. */ 102 103 /* We can debug dynamically linked executables on hpux11; we also 104 want dereferencing of a NULL pointer to cause a SEGV. */ 105 #undef LINK_SPEC 106 #define LINK_SPEC \ 107 "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\ 108 %nWarning: consider linking with `-static' as system libraries with\n\ 109 %n profiling support are only provided in archive format}}}\ 110 %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\ 111 %nWarning: consider linking with `-static' as system libraries with\n\ 112 %n profiling support are only provided in archive format}}}\ 113 %{!shared:%{!static:%{rdynamic:-E}}}\ 114 -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\ 115 %{static:-a archive} %{shared:-b}" 116 117 /* HP-UX 11 has posix threads. HP's shared libc contains pthread stubs 118 so that non-threaded applications can be linked with a thread-safe 119 libc without a subsequent loss of performance. For more details, 120 see <http://docs.hp.com/en/1896/pthreads.html>. */ 121 #undef LIB_SPEC 122 #define LIB_SPEC \ 123 "%{!shared:\ 124 %{fopenmp:%{static:-a archive_shared} -lrt %{static:-a archive}}\ 125 %{mt|pthread:-lpthread} -lc\ 126 %{static:%{!nolibdld:-a archive_shared -ldld -a archive -lc}\ 127 %{!mt:%{!pthread:-a shared -lc -a archive}}}}\ 128 %{shared:%{mt|pthread:-lpthread}}" 129 130 /* The libgcc_stub.a library needs to come last. */ 131 #undef LINK_GCC_C_SEQUENCE_SPEC 132 #define LINK_GCC_C_SEQUENCE_SPEC \ 133 "%G %L %G %{!nostdlib:%{!nodefaultlibs:%{!shared:-lgcc_stub}}}" 134 135 #undef STARTFILE_SPEC 136 #define STARTFILE_SPEC \ 137 "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \ 138 %{!munix=93:unix95%O%s}}" 139 140 /* Under hpux11, the normal location of the `ld' and `as' programs is the 141 /usr/ccs/bin directory. */ 142 143 #ifndef CROSS_DIRECTORY_STRUCTURE 144 #undef MD_EXEC_PREFIX 145 #define MD_EXEC_PREFIX "/usr/ccs/bin/" 146 #endif 147 148 /* Under hpux11 the normal location of the various *crt*.o files is 149 the /usr/ccs/lib directory. However, the profiling files are in 150 /opt/langtools/lib. */ 151 152 #ifndef CROSS_DIRECTORY_STRUCTURE 153 #undef MD_STARTFILE_PREFIX 154 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/" 155 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/" 156 #endif 157 158 /* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot 159 better than the assembler shipped with older versions of hpux. */ 160 #undef NEW_HP_ASSEMBLER 161 #define NEW_HP_ASSEMBLER 1 162 163 /* Make GCC agree with types.h. */ 164 #undef SIZE_TYPE 165 #undef PTRDIFF_TYPE 166 167 #define SIZE_TYPE "long unsigned int" 168 #define PTRDIFF_TYPE "long int" 169 170 /* HP-UX 11.0 and above provides initialization and finalization function 171 support from linker command line. We don't need to invoke __main to run 172 constructors. We also don't need chatr to determine the dependencies of 173 dynamically linked executables and shared libraries. */ 174 #undef LDD_SUFFIX 175 #undef PARSE_LDD_OUTPUT 176 #undef HAS_INIT_SECTION 177 #define HAS_INIT_SECTION 1 178 #undef LD_INIT_SWITCH 179 #define LD_INIT_SWITCH "+init" 180 #undef LD_FINI_SWITCH 181 #define LD_FINI_SWITCH "+fini" 182 183 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries 184 with secondary definition (weak) symbols. */ 185 #undef TARGET_SOM_SDEF 186 #define TARGET_SOM_SDEF 1 187 188 #undef TARGET_HPUX_11 189 #define TARGET_HPUX_11 1 190