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/* 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}}"
#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)
/* 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
/* HP-UX headers are C++-compatible. */
#define NO_IMPLICIT_EXTERN_C
/* HP-UX uses PROFILE_HOOK instead of FUNCTION_PROFILER but we need a
FUNCTION_PROFILER defined because its use is not ifdefed. When using
PROFILE_HOOK, the profile call comes after the prologue. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0)
#undef PROFILE_HOOK
#define PROFILE_HOOK(LABEL) ia64_profile_hook (LABEL)
#undef PROFILE_BEFORE_PROLOGUE
#undef NO_PROFILE_COUNTERS
#define NO_PROFILE_COUNTERS 0
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