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aea155fd | 1 | /* Definitions of target machine for GCC, for SPARC running Solaris 2 |
6dbce0cb | 2 | Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, |
3 | 2006 Free Software Foundation, Inc. | |
6c7a614f | 4 | Contributed by Ron Guilmette (rfg@netcom.com). |
2554c338 | 5 | Additional changes by David V. Henkel-Wallace (gumby@cygnus.com). |
1ada9a86 | 6 | |
aea155fd | 7 | This file is part of GCC. |
1ada9a86 | 8 | |
aea155fd | 9 | GCC is free software; you can redistribute it and/or modify |
1ada9a86 | 10 | it under the terms of the GNU General Public License as published by |
11 | the Free Software Foundation; either version 2, or (at your option) | |
12 | any later version. | |
13 | ||
aea155fd | 14 | GCC is distributed in the hope that it will be useful, |
1ada9a86 | 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 | |
aea155fd | 20 | along with GCC; see the file COPYING. If not, write to |
dbddc6c4 | 21 | the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
22 | Boston, MA 02110-1301, USA. */ | |
1ada9a86 | 23 | |
e3225e4c | 24 | /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ |
1ada9a86 | 25 | |
91eaedd6 | 26 | /* This is here rather than in sparc.h because it's not known what |
27 | other assemblers will accept. */ | |
1711184f | 28 | |
adf09a2f | 29 | #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 |
30 | #undef ASM_CPU_DEFAULT_SPEC | |
31 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" | |
32 | #endif | |
1711184f | 33 | |
adf09a2f | 34 | #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc |
35 | #undef ASM_CPU_DEFAULT_SPEC | |
36 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" | |
91eaedd6 | 37 | #endif |
1711184f | 38 | |
b97ba337 | 39 | #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 |
40 | #undef ASM_CPU_DEFAULT_SPEC | |
41 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" | |
42 | #endif | |
43 | ||
6dbce0cb | 44 | #if TARGET_CPU_DEFAULT == TARGET_CPU_niagara |
45 | #undef ASM_CPU_DEFAULT_SPEC | |
46 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" | |
47 | #endif | |
48 | ||
91eaedd6 | 49 | #undef ASM_CPU_SPEC |
50 | #define ASM_CPU_SPEC "\ | |
1711184f | 51 | %{mcpu=v9:-xarch=v8plus} \ |
adf09a2f | 52 | %{mcpu=ultrasparc:-xarch=v8plusa} \ |
b97ba337 | 53 | %{mcpu=ultrasparc3:-xarch=v8plusb} \ |
6dbce0cb | 54 | %{mcpu=niagara:-xarch=v8plusb} \ |
adf09a2f | 55 | %{!mcpu*:%(asm_cpu_default)} \ |
91eaedd6 | 56 | " |
e3225e4c | 57 | |
ee371cff | 58 | #undef SUBTARGET_EXTRA_SPECS |
59 | #define SUBTARGET_EXTRA_SPECS \ | |
60 | { "startfile_arch", STARTFILE_ARCH_SPEC }, \ | |
61 | { "link_arch", LINK_ARCH_SPEC } | |
62 | ||
e3225e4c | 63 | /* However it appears that Solaris 2.0 uses the same reg numbering as |
8eba0400 | 64 | the old BSD-style system did. */ |
e3225e4c | 65 | |
8eba0400 | 66 | /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ |
e3225e4c | 67 | #undef ASM_OUTPUT_SKIP |
68 | #define ASM_OUTPUT_SKIP(FILE,SIZE) \ | |
d716c068 | 69 | fprintf (FILE, "\t.skip %u\n", (int)(SIZE)) |
e3225e4c | 70 | |
ea81ed57 | 71 | #undef LOCAL_LABEL_PREFIX |
72 | #define LOCAL_LABEL_PREFIX "." | |
73 | ||
e3225e4c | 74 | /* This is how to store into the string LABEL |
75 | the symbol_ref name of an internal numbered label where | |
76 | PREFIX is the class of label and NUM is the number within the class. | |
77 | This is suitable for output with `assemble_name'. */ | |
78 | ||
79 | #undef ASM_GENERATE_INTERNAL_LABEL | |
80 | #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ | |
2bae62b6 | 81 | sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM)) |
e3225e4c | 82 | |
07a23b4e | 83 | /* The native TLS-enabled assembler requires the directive #tls_object |
84 | to be put on objects in TLS sections (as of v7.1). This is not | |
85 | required by the GNU assembler but supported on SPARC. */ | |
86 | #undef ASM_DECLARE_OBJECT_NAME | |
87 | #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ | |
88 | do \ | |
89 | { \ | |
90 | HOST_WIDE_INT size; \ | |
91 | \ | |
2551f8e0 | 92 | if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \ |
07a23b4e | 93 | ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \ |
94 | else \ | |
95 | ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ | |
96 | \ | |
97 | size_directive_output = 0; \ | |
98 | if (!flag_inhibit_size_directive \ | |
99 | && (DECL) && DECL_SIZE (DECL)) \ | |
100 | { \ | |
101 | size_directive_output = 1; \ | |
102 | size = int_size_in_bytes (TREE_TYPE (DECL)); \ | |
103 | ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ | |
104 | } \ | |
105 | \ | |
106 | ASM_OUTPUT_LABEL (FILE, NAME); \ | |
107 | } \ | |
108 | while (0) | |
109 | ||
7d6171f2 | 110 | /* The Solaris assembler cannot grok .stabd directives. */ |
111 | #undef NO_DBX_BNSYM_ENSYM | |
112 | #define NO_DBX_BNSYM_ENSYM 1 | |
e3225e4c | 113 | \f |
b7c87ff2 | 114 | |
115 | #undef ENDFILE_SPEC | |
f24facde | 116 | #define ENDFILE_SPEC \ |
117 | "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ | |
118 | crtend.o%s crtn.o%s" | |
cab4c139 | 119 | |
66e333b1 | 120 | /* Select a format to encode pointers in exception handling data. CODE |
121 | is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is | |
122 | true if the symbol may be affected by dynamic relocations. | |
123 | ||
124 | Some Solaris dynamic linkers don't handle unaligned section relative | |
125 | relocs properly, so force them to be aligned. */ | |
126 | #ifndef HAVE_AS_SPARC_UA_PCREL | |
127 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ | |
128 | ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) | |
129 | #endif | |
c5ddfe19 | 130 | |
1a6b65bc | 131 | \f |
4268f174 | 132 | /* Define for support of TFmode long double. |
f25a48be | 133 | SPARC ABI says that long double is 4 words. */ |
1a6b65bc | 134 | #define LONG_DOUBLE_TYPE_SIZE 128 |
0dbd1c74 | 135 | |
136 | /* But indicate that it isn't supported by the hardware. */ | |
137 | #define WIDEST_HARDWARE_FP_SIZE 64 | |
138 | ||
3044c70d | 139 | /* Solaris's _Qp_* library routine implementation clobbers the output |
140 | memory before the inputs are fully consumed. */ | |
141 | ||
142 | #undef TARGET_BUGGY_QP_LIB | |
143 | #define TARGET_BUGGY_QP_LIB 1 | |
144 | ||
233a3ba7 | 145 | #undef SUN_CONVERSION_LIBFUNCS |
146 | #define SUN_CONVERSION_LIBFUNCS 1 | |
147 | ||
148 | #undef DITF_CONVERSION_LIBFUNCS | |
149 | #define DITF_CONVERSION_LIBFUNCS 1 | |
f2f543a3 | 150 | |
151 | #undef SUN_INTEGER_MULTIPLY_64 | |
152 | #define SUN_INTEGER_MULTIPLY_64 1 | |
aaf02cb6 | 153 | |
367242d3 | 154 | /* Solaris allows 64 bit out and global registers in 32 bit mode. |
155 | sparc_override_options will disable V8+ if not generating V9 code. */ | |
156 | #undef TARGET_DEFAULT | |
1456900f | 157 | #define TARGET_DEFAULT (MASK_V8PLUS + MASK_APP_REGS + MASK_FPU \ |
158 | + MASK_LONG_DOUBLE_128) | |
e02a1225 | 159 | |
160 | /* Solaris-specific #pragmas are implemented on top of attributes. Hook in | |
161 | the bits from config/sol2.c. */ | |
162 | #define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes | |
163 | #define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE | |
164 | ||
165 | /* Output a simple call for .init/.fini. */ | |
d960da42 | 166 | #define ASM_OUTPUT_CALL(FILE, FN) \ |
167 | do \ | |
168 | { \ | |
169 | fprintf (FILE, "\tcall\t"); \ | |
170 | print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \ | |
171 | fprintf (FILE, "\n\tnop\n"); \ | |
172 | } \ | |
173 | while (0) |