| /* Definitions of target machine GNU compiler. IA-64 version. |
| Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
| Free Software Foundation, Inc. |
| Contributed by Steve Ellcey <sje@cup.hp.com> and |
| Reva Cuthbertson <reva@cup.hp.com> |
| |
| This file is part of GCC. |
| |
| 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) |
| any later version. |
| |
| 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 GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* This macro is a C statement to print on `stderr' a string describing the |
| particular machine description choice. */ |
| |
| #define TARGET_VERSION fprintf (stderr, " (IA-64) HP-UX"); |
| |
| /* Enable HPUX ABI quirks. */ |
| #undef TARGET_HPUX |
| #define TARGET_HPUX 1 |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "unsigned int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| /* Target OS builtins. */ |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do { \ |
| builtin_assert("system=hpux"); \ |
| builtin_assert("system=posix"); \ |
| builtin_assert("system=unix"); \ |
| builtin_define_std("hpux"); \ |
| builtin_define_std("unix"); \ |
| builtin_define("__IA64__"); \ |
| builtin_define("_LONGLONG"); \ |
| builtin_define("_INCLUDE_LONGLONG"); \ |
| builtin_define("_UINT128_T"); \ |
| if (c_dialect_cxx () || !flag_iso) \ |
| { \ |
| builtin_define("_HPUX_SOURCE"); \ |
| builtin_define("__STDC_EXT__"); \ |
| builtin_define("__STDCPP__"); \ |
| } \ |
| if (TARGET_ILP32) \ |
| builtin_define("_ILP32"); \ |
| } 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. */ |
| |
| #undef ASM_EXTRA_SPEC |
| #define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}" |
| |
| #undef ENDFILE_SPEC |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "%{!shared:%{static:crt0%O%s}}" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "-z +Accept TypeMismatch \ |
| %{shared:-b} \ |
| %{!shared: \ |
| -u main \ |
| %{static:-noshared}}" |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC \ |
| "%{!shared: \ |
| %{mt|pthread:-lpthread} \ |
| %{p:%{!mlp64:-L/usr/lib/hpux32/libp} \ |
| %{mlp64:-L/usr/lib/hpux64/libp} -lprof} \ |
| %{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \ |
| %{mlp64:-L/usr/lib/hpux64/libp} -lgprof} \ |
| %{!symbolic:-lc}}" |
| |
| #undef SUBTARGET_SWITCHES |
| #define SUBTARGET_SWITCHES \ |
| { "ilp32", MASK_ILP32, "Generate ILP32 code" }, \ |
| { "lp64", -MASK_ILP32, "Generate LP64 code" }, |
| |
| #define MULTILIB_DEFAULTS { "milp32" } |
| |
| /* A C expression whose value is zero if pointers that need to be extended |
| from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and |
| greater then zero if they are zero-extended and less then zero if the |
| ptr_extend instruction should be used. */ |
| |
| #define POINTERS_EXTEND_UNSIGNED -1 |
| |
| #define JMP_BUF_SIZE (8 * 76) |
| |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT \ |
| (MASK_DWARF2_ASM | MASK_BIG_ENDIAN | MASK_ILP32 | MASK_INLINE_FLOAT_DIV_THR) |
| |
| /* This needs to be set to force structure arguments with a single |
| integer field to be treated as structures and not as the type of |
| their field. Without this a structure with a single char will be |
| returned just like a char variable, instead of being returned at the |
| top of the register as specified for big-endian IA64. */ |
| |
| #define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) \ |
| (!FLOAT_MODE_P (MODE) || (MODE) == TFmode) |
| |
| /* ASM_OUTPUT_EXTERNAL_LIBCALL defaults to just a globalize_label call, |
| but that doesn't put out the @function type information which causes |
| shared library problems. */ |
| |
| #undef ASM_OUTPUT_EXTERNAL_LIBCALL |
| #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ |
| do { \ |
| (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \ |
| } while (0) |
| |
| #undef FUNCTION_ARG_PADDING |
| #define FUNCTION_ARG_PADDING(MODE, TYPE) \ |
| ia64_hpux_function_arg_padding ((MODE), (TYPE)) |
| |
| #undef PAD_VARARGS_DOWN |
| #define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type)) |
| |
| #define REGISTER_TARGET_PRAGMAS() \ |
| c_register_pragma (0, "builtin", ia64_hpux_handle_builtin_pragma) |
| |
| /* Tell ia64.c that we are using the HP linker and we should delay output of |
| function extern declarations so that we don't output them for functions |
| which are never used (and may not be defined). */ |
| |
| #undef TARGET_HPUX_LD |
| #define TARGET_HPUX_LD 1 |
| |
| /* The HPUX dynamic linker objects to weak symbols with no |
| definitions, so do not use them in gthr-posix.h. */ |
| #define GTHREAD_USE_WEAK 0 |
| |
| /* Put out the needed function declarations at the end. */ |
| |
| #define TARGET_ASM_FILE_END ia64_hpux_file_end |
| |
| #undef CTORS_SECTION_ASM_OP |
| #define CTORS_SECTION_ASM_OP "\t.section\t.init_array,\t\"aw\",\"init_array\"" |
| |
| #undef DTORS_SECTION_ASM_OP |
| #define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\t\"aw\",\"fini_array\"" |
| |
| /* The init_array/fini_array technique does not permit the use of |
| initialization priorities. */ |
| #define SUPPORTS_INIT_PRIORITY 0 |
| |
| #undef READONLY_DATA_SECTION_ASM_OP |
| #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\"" |
| |
| #undef DATA_SECTION_ASM_OP |
| #define DATA_SECTION_ASM_OP "\t.section\t.data,\t\"aw\",\t\"progbits\"" |
| |
| #undef SDATA_SECTION_ASM_OP |
| #define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\t\"asw\",\t\"progbits\"" |
| |
| #undef BSS_SECTION_ASM_OP |
| #define BSS_SECTION_ASM_OP "\t.section\t.bss,\t\"aw\",\t\"nobits\"" |
| |
| #undef SBSS_SECTION_ASM_OP |
| #define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\t\"asw\",\t\"nobits\"" |
| |
| #undef TEXT_SECTION_ASM_OP |
| #define TEXT_SECTION_ASM_OP "\t.section\t.text,\t\"ax\",\t\"progbits\"" |
| |
| /* It is illegal to have relocations in shared segments on HPUX. |
| Pretend flag_pic is always set. */ |
| #undef TARGET_ASM_SELECT_SECTION |
| #define TARGET_ASM_SELECT_SECTION ia64_rwreloc_select_section |
| #undef TARGET_ASM_UNIQUE_SECTION |
| #define TARGET_ASM_UNIQUE_SECTION ia64_rwreloc_unique_section |
| #undef TARGET_ASM_SELECT_RTX_SECTION |
| #define TARGET_ASM_SELECT_RTX_SECTION ia64_rwreloc_select_rtx_section |
| #define TARGET_RWRELOC true |
| |
| /* ia64 HPUX has the float and long double forms of math functions. */ |
| #undef TARGET_C99_FUNCTIONS |
| #define TARGET_C99_FUNCTIONS 1 |
| |
| #undef TARGET_INIT_LIBFUNCS |
| #define TARGET_INIT_LIBFUNCS ia64_hpux_init_libfuncs |
| |
| #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode) |
| |
| /* Put all *xf routines in libgcc, regardless of long double size. */ |
| #undef LIBGCC2_HAS_XF_MODE |
| #define LIBGCC2_HAS_XF_MODE 1 |
| |
| /* Put all *tf routines in libgcc, regardless of long double size. */ |
| #undef LIBGCC2_HAS_TF_MODE |
| #define LIBGCC2_HAS_TF_MODE 1 |