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e3225e4c | 1 | /* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 |
d5a614bc | 2 | Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
3 | 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 | |
7 | This file is part of GNU CC. | |
8 | ||
9 | GNU CC is free software; you can redistribute it and/or modify | |
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 | ||
14 | GNU CC is distributed in the hope that it will be useful, | |
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 | |
20 | along with GNU CC; see the file COPYING. If not, write to | |
9b754436 | 21 | the Free Software Foundation, 59 Temple Place - Suite 330, |
22 | Boston, MA 02111-1307, USA. */ | |
1ada9a86 | 23 | |
e3225e4c | 24 | /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ |
1ada9a86 | 25 | |
e3225e4c | 26 | #undef CPP_PREDEFINES |
0307caef | 27 | #define CPP_PREDEFINES "-Dsparc" |
91eaedd6 | 28 | |
29 | /* This is here rather than in sparc.h because it's not known what | |
30 | other assemblers will accept. */ | |
1711184f | 31 | |
adf09a2f | 32 | #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 |
33 | #undef ASM_CPU_DEFAULT_SPEC | |
34 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" | |
35 | #endif | |
1711184f | 36 | |
adf09a2f | 37 | #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc |
38 | #undef ASM_CPU_DEFAULT_SPEC | |
39 | #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" | |
91eaedd6 | 40 | #endif |
1711184f | 41 | |
91eaedd6 | 42 | #undef ASM_CPU_SPEC |
43 | #define ASM_CPU_SPEC "\ | |
322c331f | 44 | %{mcpu=v8plus:-xarch=v8plus} \ |
1711184f | 45 | %{mcpu=v9:-xarch=v8plus} \ |
adf09a2f | 46 | %{mcpu=ultrasparc:-xarch=v8plusa} \ |
47 | %{!mcpu*:%(asm_cpu_default)} \ | |
91eaedd6 | 48 | " |
e3225e4c | 49 | |
ee371cff | 50 | #undef SUBTARGET_EXTRA_SPECS |
51 | #define SUBTARGET_EXTRA_SPECS \ | |
52 | { "startfile_arch", STARTFILE_ARCH_SPEC }, \ | |
53 | { "link_arch", LINK_ARCH_SPEC } | |
54 | ||
e3225e4c | 55 | /* However it appears that Solaris 2.0 uses the same reg numbering as |
8eba0400 | 56 | the old BSD-style system did. */ |
e3225e4c | 57 | |
e3225e4c | 58 | /* Same as sparc.h */ |
d5a614bc | 59 | #undef DBX_REGISTER_NUMBER |
4ad3f9b3 | 60 | #define DBX_REGISTER_NUMBER(REGNO) \ |
04a917bf | 61 | (TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO) |
e3225e4c | 62 | |
8eba0400 | 63 | /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ |
e3225e4c | 64 | #undef ASM_OUTPUT_SKIP |
65 | #define ASM_OUTPUT_SKIP(FILE,SIZE) \ | |
66 | fprintf (FILE, "\t.skip %u\n", (SIZE)) | |
67 | ||
ea81ed57 | 68 | #undef LOCAL_LABEL_PREFIX |
69 | #define LOCAL_LABEL_PREFIX "." | |
70 | ||
e3225e4c | 71 | /* This is how to output a reference to an internal numbered label where |
72 | PREFIX is the class of label and NUM is the number within the class. */ | |
73 | ||
74 | #undef ASM_OUTPUT_INTERNAL_LABELREF | |
75 | #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ | |
76 | fprintf (FILE, ".L%s%d", PREFIX, NUM) | |
77 | ||
78 | /* This is how to store into the string LABEL | |
79 | the symbol_ref name of an internal numbered label where | |
80 | PREFIX is the class of label and NUM is the number within the class. | |
81 | This is suitable for output with `assemble_name'. */ | |
82 | ||
83 | #undef ASM_GENERATE_INTERNAL_LABEL | |
84 | #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ | |
02da6382 | 85 | sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) |
e3225e4c | 86 | |
e3225e4c | 87 | \f |
b7c87ff2 | 88 | |
89 | #undef ENDFILE_SPEC | |
f24facde | 90 | #define ENDFILE_SPEC \ |
91 | "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ | |
92 | crtend.o%s crtn.o%s" | |
cab4c139 | 93 | |
66e333b1 | 94 | /* Select a format to encode pointers in exception handling data. CODE |
95 | is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is | |
96 | true if the symbol may be affected by dynamic relocations. | |
97 | ||
98 | Some Solaris dynamic linkers don't handle unaligned section relative | |
99 | relocs properly, so force them to be aligned. */ | |
100 | #ifndef HAVE_AS_SPARC_UA_PCREL | |
101 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ | |
102 | ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) | |
103 | #endif | |
1a6b65bc | 104 | \f |
105 | /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. | |
106 | Instead, it is enabled here, because it does work under Solaris. */ | |
4268f174 | 107 | /* Define for support of TFmode long double. |
f25a48be | 108 | SPARC ABI says that long double is 4 words. */ |
1a6b65bc | 109 | #define LONG_DOUBLE_TYPE_SIZE 128 |
0dbd1c74 | 110 | |
111 | /* But indicate that it isn't supported by the hardware. */ | |
112 | #define WIDEST_HARDWARE_FP_SIZE 64 | |
113 | ||
9d479c1b | 114 | #define MULDI3_LIBCALL "__mul64" |
115 | #define DIVDI3_LIBCALL "__div64" | |
116 | #define UDIVDI3_LIBCALL "__udiv64" | |
117 | #define MODDI3_LIBCALL "__rem64" | |
118 | #define UMODDI3_LIBCALL "__urem64" | |
119 | ||
3044c70d | 120 | /* Solaris's _Qp_* library routine implementation clobbers the output |
121 | memory before the inputs are fully consumed. */ | |
122 | ||
123 | #undef TARGET_BUGGY_QP_LIB | |
124 | #define TARGET_BUGGY_QP_LIB 1 | |
125 | ||
aaf02cb6 | 126 | #undef INIT_SUBTARGET_OPTABS |
2c8daaf1 | 127 | #define INIT_SUBTARGET_OPTABS \ |
128 | fixsfdi_libfunc \ | |
129 | = init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \ | |
130 | fixunssfdi_libfunc \ | |
131 | = init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \ | |
132 | fixdfdi_libfunc \ | |
133 | = init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \ | |
134 | fixunsdfdi_libfunc \ | |
135 | = init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull") | |
aaf02cb6 | 136 | |
367242d3 | 137 | /* Solaris allows 64 bit out and global registers in 32 bit mode. |
138 | sparc_override_options will disable V8+ if not generating V9 code. */ | |
139 | #undef TARGET_DEFAULT | |
0307caef | 140 | #define TARGET_DEFAULT (MASK_V8PLUS + MASK_FPU + MASK_LONG_DOUBLE_128) |