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7e5b9908 | 1 | /* Definitions of target machine GNU compiler. IA-64 version. |
24a57808 | 2 | Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009, 2010 |
ca2b05ba | 3 | Free Software Foundation, Inc. |
7e5b9908 SE |
4 | Contributed by Steve Ellcey <sje@cup.hp.com> and |
5 | Reva Cuthbertson <reva@cup.hp.com> | |
6 | ||
3bed2930 | 7 | This file is part of GCC. |
7e5b9908 | 8 | |
3bed2930 | 9 | GCC is free software; you can redistribute it and/or modify |
7e5b9908 | 10 | it under the terms of the GNU General Public License as published by |
2f83c7d6 | 11 | the Free Software Foundation; either version 3, or (at your option) |
7e5b9908 SE |
12 | any later version. |
13 | ||
3bed2930 | 14 | GCC is distributed in the hope that it will be useful, |
7e5b9908 SE |
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 | |
2f83c7d6 NC |
20 | along with GCC; see the file COPYING3. If not see |
21 | <http://www.gnu.org/licenses/>. */ | |
7e5b9908 | 22 | |
243a7070 DB |
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 | ||
02befdf4 ZW |
28 | /* Enable HPUX ABI quirks. */ |
29 | #undef TARGET_HPUX | |
30 | #define TARGET_HPUX 1 | |
31 | ||
70406574 JM |
32 | #undef WCHAR_TYPE |
33 | #define WCHAR_TYPE "unsigned int" | |
34 | ||
35 | #undef WCHAR_TYPE_SIZE | |
36 | #define WCHAR_TYPE_SIZE 32 | |
37 | ||
57016b47 | 38 | /* Target OS builtins. */ |
57016b47 SE |
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"); \ | |
a5a8386f | 48 | builtin_define("_INCLUDE_LONGLONG"); \ |
9a17c91d | 49 | builtin_define("__STDC_EXT__"); \ |
57016b47 | 50 | builtin_define("_UINT128_T"); \ |
04df6730 | 51 | if (c_dialect_cxx () || !flag_iso) \ |
57016b47 SE |
52 | { \ |
53 | builtin_define("_HPUX_SOURCE"); \ | |
7dd7fb88 | 54 | builtin_define("__STDCPP__"); \ |
6db63df9 | 55 | builtin_define("_INCLUDE__STDC_A1_SOURCE"); \ |
57016b47 | 56 | } \ |
24b7a8c9 RS |
57 | if (TARGET_ILP32) \ |
58 | builtin_define("_ILP32"); \ | |
57016b47 | 59 | } while (0) |
7e5b9908 | 60 | |
7e2055ec ZW |
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 | ||
5b8fcab6 DB |
68 | #undef ASM_EXTRA_SPEC |
69 | #define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}" | |
7e5b9908 | 70 | |
b8f9bca0 JM |
71 | #ifndef USE_GAS |
72 | #define AS_NEEDS_DASH_FOR_PIPED_INPUT | |
73 | #endif | |
74 | ||
7e5b9908 SE |
75 | #undef ENDFILE_SPEC |
76 | ||
77 | #undef STARTFILE_SPEC | |
6db63df9 SE |
78 | #define STARTFILE_SPEC "%{!shared:%{static:crt0%O%s} \ |
79 | %{mlp64:/usr/lib/hpux64/unix98%O%s} \ | |
80 | %{!mlp64:/usr/lib/hpux32/unix98%O%s}}" | |
40ad65d0 | 81 | |
7e5b9908 | 82 | #undef LINK_SPEC |
40ad65d0 | 83 | #define LINK_SPEC \ |
543144ed | 84 | "-z +Accept TypeMismatch \ |
40ad65d0 SE |
85 | %{shared:-b} \ |
86 | %{!shared: \ | |
87 | -u main \ | |
88 | %{static:-noshared}}" | |
7e5b9908 SE |
89 | |
90 | #undef LIB_SPEC | |
40ad65d0 SE |
91 | #define LIB_SPEC \ |
92 | "%{!shared: \ | |
715fda99 | 93 | %{mt|pthread:%{fopenmp:-lrt} -lpthread} \ |
40ad65d0 SE |
94 | %{p:%{!mlp64:-L/usr/lib/hpux32/libp} \ |
95 | %{mlp64:-L/usr/lib/hpux64/libp} -lprof} \ | |
96 | %{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \ | |
97 | %{mlp64:-L/usr/lib/hpux64/libp} -lgprof} \ | |
98 | %{!symbolic:-lc}}" | |
99 | ||
e373cdb4 ZW |
100 | #define MULTILIB_DEFAULTS { "milp32" } |
101 | ||
6dd12198 SE |
102 | /* A C expression whose value is zero if pointers that need to be extended |
103 | from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and | |
104 | greater then zero if they are zero-extended and less then zero if the | |
105 | ptr_extend instruction should be used. */ | |
106 | ||
107 | #define POINTERS_EXTEND_UNSIGNED -1 | |
108 | ||
7e5b9908 SE |
109 | #define JMP_BUF_SIZE (8 * 76) |
110 | ||
7e5b9908 | 111 | #undef TARGET_DEFAULT |
b6b979d4 | 112 | #define TARGET_DEFAULT \ |
f19f1e5e | 113 | (MASK_DWARF2_ASM | MASK_BIG_ENDIAN | MASK_ILP32) |
0d7839da | 114 | |
4e2b3c87 EB |
115 | /* ??? Might not be needed anymore. */ |
116 | #define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) ((MODE) == TFmode) | |
0d7839da | 117 | |
68bb91b1 SE |
118 | /* ASM_OUTPUT_EXTERNAL_LIBCALL defaults to just a globalize_label call, |
119 | but that doesn't put out the @function type information which causes | |
120 | shared library problems. */ | |
121 | ||
122 | #undef ASM_OUTPUT_EXTERNAL_LIBCALL | |
123 | #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ | |
124 | do { \ | |
125 | (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \ | |
126 | ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \ | |
127 | } while (0) | |
128 | ||
0d7839da SE |
129 | #undef FUNCTION_ARG_PADDING |
130 | #define FUNCTION_ARG_PADDING(MODE, TYPE) \ | |
131 | ia64_hpux_function_arg_padding ((MODE), (TYPE)) | |
132 | ||
133 | #undef PAD_VARARGS_DOWN | |
134 | #define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type)) | |
34c1864f | 135 | |
c58b209a NB |
136 | #define REGISTER_TARGET_PRAGMAS() \ |
137 | c_register_pragma (0, "builtin", ia64_hpux_handle_builtin_pragma) | |
686f3bf0 SE |
138 | |
139 | /* Tell ia64.c that we are using the HP linker and we should delay output of | |
140 | function extern declarations so that we don't output them for functions | |
141 | which are never used (and may not be defined). */ | |
142 | ||
143 | #undef TARGET_HPUX_LD | |
144 | #define TARGET_HPUX_LD 1 | |
145 | ||
7e2055ec ZW |
146 | /* The HPUX dynamic linker objects to weak symbols with no |
147 | definitions, so do not use them in gthr-posix.h. */ | |
148 | #define GTHREAD_USE_WEAK 0 | |
149 | ||
b64ddb88 SE |
150 | #undef CTORS_SECTION_ASM_OP |
151 | #define CTORS_SECTION_ASM_OP "\t.section\t.init_array,\t\"aw\",\"init_array\"" | |
152 | ||
153 | #undef DTORS_SECTION_ASM_OP | |
154 | #define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\t\"aw\",\"fini_array\"" | |
155 | ||
74487c57 MM |
156 | /* The init_array/fini_array technique does not permit the use of |
157 | initialization priorities. */ | |
158 | #define SUPPORTS_INIT_PRIORITY 0 | |
159 | ||
b64ddb88 SE |
160 | #undef READONLY_DATA_SECTION_ASM_OP |
161 | #define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\"" | |
162 | ||
163 | #undef DATA_SECTION_ASM_OP | |
164 | #define DATA_SECTION_ASM_OP "\t.section\t.data,\t\"aw\",\t\"progbits\"" | |
165 | ||
166 | #undef SDATA_SECTION_ASM_OP | |
167 | #define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\t\"asw\",\t\"progbits\"" | |
168 | ||
169 | #undef BSS_SECTION_ASM_OP | |
170 | #define BSS_SECTION_ASM_OP "\t.section\t.bss,\t\"aw\",\t\"nobits\"" | |
171 | ||
172 | #undef SBSS_SECTION_ASM_OP | |
173 | #define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\t\"asw\",\t\"nobits\"" | |
174 | ||
175 | #undef TEXT_SECTION_ASM_OP | |
176 | #define TEXT_SECTION_ASM_OP "\t.section\t.text,\t\"ax\",\t\"progbits\"" | |
6ca86a1a RH |
177 | |
178 | /* It is illegal to have relocations in shared segments on HPUX. | |
179 | Pretend flag_pic is always set. */ | |
9b580a0b RH |
180 | #undef TARGET_ASM_RELOC_RW_MASK |
181 | #define TARGET_ASM_RELOC_RW_MASK ia64_hpux_reloc_rw_mask | |
9959901c RS |
182 | |
183 | /* ia64 HPUX has the float and long double forms of math functions. */ | |
184 | #undef TARGET_C99_FUNCTIONS | |
185 | #define TARGET_C99_FUNCTIONS 1 | |
186 | ||
1f7aa7cd | 187 | #undef TARGET_INIT_LIBFUNCS |
c15c90bb ZW |
188 | #define TARGET_INIT_LIBFUNCS ia64_hpux_init_libfuncs |
189 | ||
190 | #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode) | |
4e9db8b2 SE |
191 | |
192 | /* Put all *xf routines in libgcc, regardless of long double size. */ | |
193 | #undef LIBGCC2_HAS_XF_MODE | |
194 | #define LIBGCC2_HAS_XF_MODE 1 | |
4a73d865 | 195 | #define XF_SIZE 64 |
4e9db8b2 SE |
196 | |
197 | /* Put all *tf routines in libgcc, regardless of long double size. */ | |
198 | #undef LIBGCC2_HAS_TF_MODE | |
199 | #define LIBGCC2_HAS_TF_MODE 1 | |
4a73d865 | 200 | #define TF_SIZE 113 |
bdeb7efa JM |
201 | |
202 | /* HP-UX headers are C++-compatible. */ | |
203 | #define NO_IMPLICIT_EXTERN_C | |
d26afa4f SE |
204 | |
205 | /* HP-UX uses PROFILE_HOOK instead of FUNCTION_PROFILER but we need a | |
206 | FUNCTION_PROFILER defined because its use is not ifdefed. When using | |
207 | PROFILE_HOOK, the profile call comes after the prologue. */ | |
208 | ||
209 | #undef FUNCTION_PROFILER | |
210 | #define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0) | |
211 | ||
212 | #undef PROFILE_HOOK | |
213 | #define PROFILE_HOOK(LABEL) ia64_profile_hook (LABEL) | |
214 | ||
215 | #undef PROFILE_BEFORE_PROLOGUE | |
216 | ||
217 | #undef NO_PROFILE_COUNTERS | |
218 | #define NO_PROFILE_COUNTERS 0 | |
7ee51a34 | 219 | |
1cc2d70b SE |
220 | /* The HP-UX linker has a bug that causes calls from functions in |
221 | .text.unlikely to functions in .text to cause a segfault. Until | |
222 | it is fixed, prevent code from being put into .text.unlikely or | |
223 | .text.hot. */ | |
224 | ||
f16d3f39 | 225 | #define TARGET_ASM_FUNCTION_SECTION ia64_hpux_function_section |