1/* Definitions of target machine GNU compiler. IA-64 version.
2 Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
3 Contributed by Steve Ellcey <sje@cup.hp.com> and
4 Reva Cuthbertson <reva@cup.hp.com>
5
6This file is part of GNU CC.
7
8GNU CC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GNU CC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GNU CC; see the file COPYING. If not, write to
20the Free Software Foundation, 59 Temple Place - Suite 330,
21Boston, MA 02111-1307, USA. */
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#undef CPP_PREDEFINES
29#define CPP_PREDEFINES "\
| 1/* Definitions of target machine GNU compiler. IA-64 version.
2 Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
3 Contributed by Steve Ellcey <sje@cup.hp.com> and
4 Reva Cuthbertson <reva@cup.hp.com>
5
6This file is part of GNU CC.
7
8GNU CC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GNU CC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GNU CC; see the file COPYING. If not, write to
20the Free Software Foundation, 59 Temple Place - Suite 330,
21Boston, MA 02111-1307, USA. */
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#undef CPP_PREDEFINES
29#define CPP_PREDEFINES "\
|
30 -D__IA64__ -D__ia64 -D__ia64__ -D__hpux -D__hpux__ -Dhpux -Dunix \
31 -D__BIG_ENDIAN__ -D_LONGLONG -D__ELF__ \
32 -Asystem=hpux -Asystem=posix -Asystem=unix -Acpu=ia64 -Amachine=ia64 \
| 30 -D__IA64__ -D__hpux -D__hpux__ -Dhpux -Dunix \
31 -D__BIG_ENDIAN__ -D_LONGLONG \
32 -Asystem=hpux -Asystem=posix -Asystem=unix \
|
33 -D_UINT128_T"
34
35/* -D__fpreg=long double is needed to compensate for the lack of __fpreg
36 which is a primitive type in HP C but does not exist in GNU C. Same
37 for __float80 and __float128. These types appear in HP-UX header
38 files and so must have some definition. */
39
40#undef CPP_SPEC
41#define CPP_SPEC "\
42 %{mcpu=itanium:-D__itanium__} \
| 33 -D_UINT128_T"
34
35/* -D__fpreg=long double is needed to compensate for the lack of __fpreg
36 which is a primitive type in HP C but does not exist in GNU C. Same
37 for __float80 and __float128. These types appear in HP-UX header
38 files and so must have some definition. */
39
40#undef CPP_SPEC
41#define CPP_SPEC "\
42 %{mcpu=itanium:-D__itanium__} \
|
43 %{mlp64:-D__LP64__ -D__LONG_MAX__=9223372036854775807L} \
| 43 %{mlp64:-D__LP64__ -D_LP64 -D__LONG_MAX__=9223372036854775807L} \
|
44 %{!ansi:%{!std=c*:%{!std=i*: -D_HPUX_SOURCE -D__STDC_EXT__}}} \
45 -D__fpreg=long\\ double \
46 -D__float80=long\\ double \
47 -D__float128=long\\ double"
48
| 44 %{!ansi:%{!std=c*:%{!std=i*: -D_HPUX_SOURCE -D__STDC_EXT__}}} \
45 -D__fpreg=long\\ double \
46 -D__float80=long\\ double \
47 -D__float128=long\\ double"
48
|
49#undef ASM_SPEC
50#define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic} \
51 %{milp32:-milp32} %{mlp64:-mlp64}"
| 49#undef ASM_EXTRA_SPEC
50#define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}"
|
52
53#undef ENDFILE_SPEC
54
55#undef STARTFILE_SPEC
56#ifdef CROSS_COMPILE
57#define STARTFILE_SPEC "%{!shared:crt0%O%s}"
58#else
59#define STARTFILE_SPEC "/usr/ccs/lib/hpux64/crt0%O"
60#endif
61
62#undef LINK_SPEC
63#define LINK_SPEC "\
64 +Accept TypeMismatch \
65 %{shared:-b} \
66 %{!shared: \
67 -u main \
68 %{!static: \
69 %{rdynamic:-export-dynamic}} \
70 %{static:-static}}"
71
72#undef LIB_SPEC
73#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
74
75#undef SUBTARGET_SWITCHES
76#define SUBTARGET_SWITCHES \
77 { "ilp32", MASK_ILP32, "Generate ILP32 code" }, \
78 { "lp64", -MASK_ILP32, "Generate LP64 code" },
79
80/* A C expression whose value is zero if pointers that need to be extended
81 from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and
82 greater then zero if they are zero-extended and less then zero if the
83 ptr_extend instruction should be used. */
84
85#define POINTERS_EXTEND_UNSIGNED -1
86
| 51
52#undef ENDFILE_SPEC
53
54#undef STARTFILE_SPEC
55#ifdef CROSS_COMPILE
56#define STARTFILE_SPEC "%{!shared:crt0%O%s}"
57#else
58#define STARTFILE_SPEC "/usr/ccs/lib/hpux64/crt0%O"
59#endif
60
61#undef LINK_SPEC
62#define LINK_SPEC "\
63 +Accept TypeMismatch \
64 %{shared:-b} \
65 %{!shared: \
66 -u main \
67 %{!static: \
68 %{rdynamic:-export-dynamic}} \
69 %{static:-static}}"
70
71#undef LIB_SPEC
72#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
73
74#undef SUBTARGET_SWITCHES
75#define SUBTARGET_SWITCHES \
76 { "ilp32", MASK_ILP32, "Generate ILP32 code" }, \
77 { "lp64", -MASK_ILP32, "Generate LP64 code" },
78
79/* A C expression whose value is zero if pointers that need to be extended
80 from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and
81 greater then zero if they are zero-extended and less then zero if the
82 ptr_extend instruction should be used. */
83
84#define POINTERS_EXTEND_UNSIGNED -1
85
|
87#define DONT_USE_BUILTIN_SETJMP
| |
88#define JMP_BUF_SIZE (8 * 76)
89
90#undef CONST_SECTION_ASM_OP
91#define CONST_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\""
92
93#undef BITS_BIG_ENDIAN
94#define BITS_BIG_ENDIAN 1
95
96#undef TARGET_DEFAULT
97#define TARGET_DEFAULT (MASK_DWARF2_ASM | MASK_BIG_ENDIAN)
98
99/* This needs to be set to force structure arguments with a single
100 field to be treated as structures and not as the type of their
101 field. Without this a structure with a single char will be
102 returned just like a char variable and that is wrong on HP-UX
103 IA64. TARGET_STRUCT_ARG_REG_LITTLE_ENDIAN triggers the special
104 structure handling, this macro simply ensures that single field
105 structures are always treated like structures. */
106
107#define MEMBER_TYPE_FORCES_BLK(FIELD) 1
108
109/* Override the setting of FUNCTION_ARG_REG_LITTLE_ENDIAN in
110 defaults.h. Setting this to true means that we are not passing
111 structures in registers in the "normal" big-endian way. See
112 See section 8.5 of the "Itanium Software Conventions and Runtime
113 Architecture", specifically Table 8-1 and the explanation of Byte 0
114 alignment and LSB alignment and a description of how structures
115 are passed. */
116
117#define FUNCTION_ARG_REG_LITTLE_ENDIAN 1
118
119#undef FUNCTION_ARG_PADDING
120#define FUNCTION_ARG_PADDING(MODE, TYPE) \
121 ia64_hpux_function_arg_padding ((MODE), (TYPE))
122
123#undef PAD_VARARGS_DOWN
124#define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type))
| 86#define JMP_BUF_SIZE (8 * 76)
87
88#undef CONST_SECTION_ASM_OP
89#define CONST_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\""
90
91#undef BITS_BIG_ENDIAN
92#define BITS_BIG_ENDIAN 1
93
94#undef TARGET_DEFAULT
95#define TARGET_DEFAULT (MASK_DWARF2_ASM | MASK_BIG_ENDIAN)
96
97/* This needs to be set to force structure arguments with a single
98 field to be treated as structures and not as the type of their
99 field. Without this a structure with a single char will be
100 returned just like a char variable and that is wrong on HP-UX
101 IA64. TARGET_STRUCT_ARG_REG_LITTLE_ENDIAN triggers the special
102 structure handling, this macro simply ensures that single field
103 structures are always treated like structures. */
104
105#define MEMBER_TYPE_FORCES_BLK(FIELD) 1
106
107/* Override the setting of FUNCTION_ARG_REG_LITTLE_ENDIAN in
108 defaults.h. Setting this to true means that we are not passing
109 structures in registers in the "normal" big-endian way. See
110 See section 8.5 of the "Itanium Software Conventions and Runtime
111 Architecture", specifically Table 8-1 and the explanation of Byte 0
112 alignment and LSB alignment and a description of how structures
113 are passed. */
114
115#define FUNCTION_ARG_REG_LITTLE_ENDIAN 1
116
117#undef FUNCTION_ARG_PADDING
118#define FUNCTION_ARG_PADDING(MODE, TYPE) \
119 ia64_hpux_function_arg_padding ((MODE), (TYPE))
120
121#undef PAD_VARARGS_DOWN
122#define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type))
|