1 /* Definitions of target machine GNU compiler. IA-64 version. 2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 3 Free Software Foundation, Inc. 4 Contributed by Steve Ellcey <sje@cup.hp.com> and 5 Reva Cuthbertson <reva@cup.hp.com> 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3, or (at your option) 12 any later version. 13 14 GCC is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 /* This macro is a C statement to print on `stderr' a string describing the 24 particular machine description choice. */ 25 26 #define TARGET_VERSION fprintf (stderr, " (IA-64) HP-UX"); 27 28 /* Enable HPUX ABI quirks. */ 29 #undef TARGET_HPUX 30 #define TARGET_HPUX 1 31 32 #undef WCHAR_TYPE 33 #define WCHAR_TYPE "unsigned int" 34 35 #undef WCHAR_TYPE_SIZE 36 #define WCHAR_TYPE_SIZE 32 37 38 /* Target OS builtins. */ 39 #define TARGET_OS_CPP_BUILTINS() \ 40 do { \ 41 builtin_assert("system=hpux"); \ 42 builtin_assert("system=posix"); \ 43 builtin_assert("system=unix"); \ 44 builtin_define_std("hpux"); \ 45 builtin_define_std("unix"); \ 46 builtin_define("__IA64__"); \ 47 builtin_define("_LONGLONG"); \ 48 builtin_define("_INCLUDE_LONGLONG"); \ 49 builtin_define("__STDC_EXT__"); \ 50 builtin_define("_UINT128_T"); \ 51 if (c_dialect_cxx () || !flag_iso) \ 52 { \ 53 builtin_define("_HPUX_SOURCE"); \ 54 builtin_define("__STDCPP__"); \ 55 builtin_define("_INCLUDE__STDC_A1_SOURCE"); \ 56 } \ 57 if (TARGET_ILP32) \ 58 builtin_define("_ILP32"); \ 59 } while (0) 60 61 #undef CPP_SPEC 62 #define CPP_SPEC \ 63 "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}" 64 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These 65 affect only aCC's C++ library (Rogue Wave-derived) which we do not 66 use, and they violate the user's name space. */ 67 68 #undef ASM_EXTRA_SPEC 69 #define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}" 70 71 #undef ENDFILE_SPEC 72 73 #undef STARTFILE_SPEC 74 #define STARTFILE_SPEC "%{!shared:%{static:crt0%O%s} \ 75 %{mlp64:/usr/lib/hpux64/unix98%O%s} \ 76 %{!mlp64:/usr/lib/hpux32/unix98%O%s}}" 77 78 #undef LINK_SPEC 79 #define LINK_SPEC \ 80 "-z +Accept TypeMismatch \ 81 %{shared:-b} \ 82 %{!shared: \ 83 -u main \ 84 %{static:-noshared}}" 85 86 #undef LIB_SPEC 87 #define LIB_SPEC \ 88 "%{!shared: \ 89 %{mt|pthread:%{fopenmp:-lrt} -lpthread} \ 90 %{p:%{!mlp64:-L/usr/lib/hpux32/libp} \ 91 %{mlp64:-L/usr/lib/hpux64/libp} -lprof} \ 92 %{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \ 93 %{mlp64:-L/usr/lib/hpux64/libp} -lgprof} \ 94 %{!symbolic:-lc}}" 95 96 #define MULTILIB_DEFAULTS { "milp32" } 97 98 /* A C expression whose value is zero if pointers that need to be extended 99 from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and 100 greater then zero if they are zero-extended and less then zero if the 101 ptr_extend instruction should be used. */ 102 103 #define POINTERS_EXTEND_UNSIGNED -1 104 105 #define JMP_BUF_SIZE (8 * 76) 106 107 #undef TARGET_DEFAULT 108 #define TARGET_DEFAULT \ 109 (MASK_DWARF2_ASM | MASK_BIG_ENDIAN | MASK_ILP32 | MASK_FUSED_MADD) 110 111 /* ??? Might not be needed anymore. */ 112 #define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) ((MODE) == TFmode) 113 114 /* ASM_OUTPUT_EXTERNAL_LIBCALL defaults to just a globalize_label call, 115 but that doesn't put out the @function type information which causes 116 shared library problems. */ 117 118 #undef ASM_OUTPUT_EXTERNAL_LIBCALL 119 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ 120 do { \ 121 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \ 122 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \ 123 } while (0) 124 125 #undef FUNCTION_ARG_PADDING 126 #define FUNCTION_ARG_PADDING(MODE, TYPE) \ 127 ia64_hpux_function_arg_padding ((MODE), (TYPE)) 128 129 #undef PAD_VARARGS_DOWN 130 #define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type)) 131 132 #define REGISTER_TARGET_PRAGMAS() \ 133 c_register_pragma (0, "builtin", ia64_hpux_handle_builtin_pragma) 134 135 /* Tell ia64.c that we are using the HP linker and we should delay output of 136 function extern declarations so that we don't output them for functions 137 which are never used (and may not be defined). */ 138 139 #undef TARGET_HPUX_LD 140 #define TARGET_HPUX_LD 1 141 142 /* The HPUX dynamic linker objects to weak symbols with no 143 definitions, so do not use them in gthr-posix.h. */ 144 #define GTHREAD_USE_WEAK 0 145 146 #undef CTORS_SECTION_ASM_OP 147 #define CTORS_SECTION_ASM_OP "\t.section\t.init_array,\t\"aw\",\"init_array\"" 148 149 #undef DTORS_SECTION_ASM_OP 150 #define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\t\"aw\",\"fini_array\"" 151 152 /* The init_array/fini_array technique does not permit the use of 153 initialization priorities. */ 154 #define SUPPORTS_INIT_PRIORITY 0 155 156 #undef READONLY_DATA_SECTION_ASM_OP 157 #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\"" 158 159 #undef DATA_SECTION_ASM_OP 160 #define DATA_SECTION_ASM_OP "\t.section\t.data,\t\"aw\",\t\"progbits\"" 161 162 #undef SDATA_SECTION_ASM_OP 163 #define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\t\"asw\",\t\"progbits\"" 164 165 #undef BSS_SECTION_ASM_OP 166 #define BSS_SECTION_ASM_OP "\t.section\t.bss,\t\"aw\",\t\"nobits\"" 167 168 #undef SBSS_SECTION_ASM_OP 169 #define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\t\"asw\",\t\"nobits\"" 170 171 #undef TEXT_SECTION_ASM_OP 172 #define TEXT_SECTION_ASM_OP "\t.section\t.text,\t\"ax\",\t\"progbits\"" 173 174 /* It is illegal to have relocations in shared segments on HPUX. 175 Pretend flag_pic is always set. */ 176 #undef TARGET_ASM_RELOC_RW_MASK 177 #define TARGET_ASM_RELOC_RW_MASK ia64_hpux_reloc_rw_mask 178 179 /* ia64 HPUX has the float and long double forms of math functions. */ 180 #undef TARGET_C99_FUNCTIONS 181 #define TARGET_C99_FUNCTIONS 1 182 183 #undef TARGET_INIT_LIBFUNCS 184 #define TARGET_INIT_LIBFUNCS ia64_hpux_init_libfuncs 185 186 #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode) 187 188 /* Put all *xf routines in libgcc, regardless of long double size. */ 189 #undef LIBGCC2_HAS_XF_MODE 190 #define LIBGCC2_HAS_XF_MODE 1 191 #define XF_SIZE 64 192 193 /* Put all *tf routines in libgcc, regardless of long double size. */ 194 #undef LIBGCC2_HAS_TF_MODE 195 #define LIBGCC2_HAS_TF_MODE 1 196 #define TF_SIZE 113 197 198 /* HP-UX headers are C++-compatible. */ 199 #define NO_IMPLICIT_EXTERN_C 200 201 /* HP-UX uses PROFILE_HOOK instead of FUNCTION_PROFILER but we need a 202 FUNCTION_PROFILER defined because its use is not ifdefed. When using 203 PROFILE_HOOK, the profile call comes after the prologue. */ 204 205 #undef FUNCTION_PROFILER 206 #define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0) 207 208 #undef PROFILE_HOOK 209 #define PROFILE_HOOK(LABEL) ia64_profile_hook (LABEL) 210 211 #undef PROFILE_BEFORE_PROLOGUE 212 213 #undef NO_PROFILE_COUNTERS 214 #define NO_PROFILE_COUNTERS 0 215 216 #undef HANDLE_PRAGMA_PACK_PUSH_POP 217 #define HANDLE_PRAGMA_PACK_PUSH_POP 218