Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/mips/sde.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 77e2b8dfacca |
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1 /* Definitions of target machine for GNU compiler. | |
2 MIPS SDE version. | |
3 Copyright (C) 2003, 2004, 2007, 2008, 2009 | |
4 Free Software Foundation, Inc. | |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation; either version 3, or (at your option) | |
11 any later version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 #undef DRIVER_SELF_SPECS | |
23 #define DRIVER_SELF_SPECS \ | |
24 /* Make sure a -mips option is present. This helps us to pick \ | |
25 the right multilib, and also makes the later specs easier \ | |
26 to write. */ \ | |
27 MIPS_ISA_LEVEL_SPEC, \ | |
28 \ | |
29 /* Infer the default float setting from -march. */ \ | |
30 MIPS_ARCH_FLOAT_SPEC, \ | |
31 \ | |
32 /* If no ABI option is specified, infer one from the ISA level \ | |
33 or -mgp setting. */ \ | |
34 "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}", \ | |
35 \ | |
36 /* Remove a redundant -mfp64 for -mabi=n32; we want the !mfp64 \ | |
37 multilibs. There's no need to check whether the architecture \ | |
38 is 64-bit; cc1 will complain if it isn't. */ \ | |
39 "%{mabi=n32: %<mfp64}", \ | |
40 \ | |
41 /* Make sure that an endian option is always present. This makes \ | |
42 things like LINK_SPEC easier to write. */ \ | |
43 "%{!EB:%{!EL:%(endian_spec)}}", \ | |
44 \ | |
45 /* -mcode-xonly is a traditional alias for -mcode-readable=pcrel and \ | |
46 -mno-data-in-code is a traditional alias for -mcode-readable=no. \ | |
47 The latter trumps the former. */ \ | |
48 "%{mno-data-in-code: -mcode-readable=no}", \ | |
49 "%{!mcode-readable=no: %{mcode-xonly: -mcode-readable=pcrel}}", \ | |
50 "%<mno-data-in-code %<mcode-xonly", \ | |
51 \ | |
52 /* Configuration-independent MIPS rules. */ \ | |
53 BASE_DRIVER_SELF_SPECS | |
54 | |
55 /* Use trap rather than break for all but MIPS I ISA. Force -no-mips16, | |
56 so that MIPS16 assembler code requires an explicit ".set mips16". | |
57 Very little hand-written MIPS16 assembler exists, and some build | |
58 systems expect code to be assembled as non-MIPS16 even if the | |
59 prevailing compiler flags select -mips16. */ | |
60 #undef SUBTARGET_ASM_SPEC | |
61 #define SUBTARGET_ASM_SPEC "\ | |
62 %{!mips1:--trap} \ | |
63 %{mips16:-no-mips16}" | |
64 | |
65 #undef LINK_SPEC | |
66 #define LINK_SPEC "\ | |
67 %(endian_spec) \ | |
68 %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32*} %{mips64*} \ | |
69 %{bestGnum} \ | |
70 %{shared} %{non_shared} %{call_shared} \ | |
71 %{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \ | |
72 %{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \ | |
73 %{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}" | |
74 | |
75 #undef DEFAULT_SIGNED_CHAR | |
76 #define DEFAULT_SIGNED_CHAR 0 | |
77 | |
78 /* SDE-MIPS won't ever support SDB debugging info. */ | |
79 #undef SDB_DEBUGGING_INFO | |
80 | |
81 /* Describe how we implement __builtin_eh_return. */ | |
82 | |
83 /* At the moment, nothing appears to use more than 2 EH data registers. | |
84 The chosen registers must not clash with the return register ($2), | |
85 EH_RETURN_STACKADJ ($3), or MIPS_EPILOGUE_TEMP ($5), and they must | |
86 be general MIPS16 registers. Pick $6 and $7. */ | |
87 #undef EH_RETURN_DATA_REGNO | |
88 #define EH_RETURN_DATA_REGNO(N) \ | |
89 ((N) < 2 ? 7 - (N) : INVALID_REGNUM) | |
90 | |
91 /* Use $5 as a temporary for both MIPS16 and non-MIPS16. */ | |
92 #undef MIPS_EPILOGUE_TEMP_REGNUM | |
93 #define MIPS_EPILOGUE_TEMP_REGNUM (GP_REG_FIRST + 5) | |
94 | |
95 /* Using long will always be right for size_t and ptrdiff_t, since | |
96 sizeof(long) must equal sizeof(void *), following from the setting | |
97 of the -mlong64 option. */ | |
98 #undef SIZE_TYPE | |
99 #define SIZE_TYPE "long unsigned int" | |
100 #undef PTRDIFF_TYPE | |
101 #define PTRDIFF_TYPE "long int" | |
102 | |
103 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */ | |
104 #define HANDLE_PRAGMA_PACK_PUSH_POP 1 | |
105 | |
106 /* Use standard ELF-style local labels (not '$' as on early Irix). */ | |
107 #undef LOCAL_LABEL_PREFIX | |
108 #define LOCAL_LABEL_PREFIX "." | |
109 | |
110 /* Use periods rather than dollar signs in special g++ assembler names. */ | |
111 #define NO_DOLLAR_IN_LABEL | |
112 | |
113 /* Attach a special .ident directive to the end of the file to identify | |
114 the version of GCC which compiled this code. */ | |
115 #undef IDENT_ASM_OP | |
116 #define IDENT_ASM_OP "\t.ident\t" | |
117 | |
118 /* Output #ident string into the ELF .comment section, so it doesn't | |
119 form part of the load image, and so that it can be stripped. */ | |
120 #undef ASM_OUTPUT_IDENT | |
121 #define ASM_OUTPUT_IDENT(STREAM, STRING) \ | |
122 fprintf (STREAM, "%s\"%s\"\n", IDENT_ASM_OP, STRING); | |
123 | |
124 /* Currently we don't support 128bit long doubles, so for now we force | |
125 n32 to be 64bit. */ | |
126 #undef LONG_DOUBLE_TYPE_SIZE | |
127 #define LONG_DOUBLE_TYPE_SIZE 64 | |
128 | |
129 #ifdef IN_LIBGCC2 | |
130 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE | |
131 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 | |
132 #endif | |
133 | |
134 /* Force all .init and .fini entries to be 32-bit, not mips16, so that | |
135 in a mixed environment they are all the same mode. The crti.asm and | |
136 crtn.asm files will also be compiled as 32-bit due to the | |
137 -no-mips16 flag in SUBTARGET_ASM_SPEC above. */ | |
138 #undef CRT_CALL_STATIC_FUNCTION | |
139 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ | |
140 asm (SECTION_OP "\n\ | |
141 .set push\n\ | |
142 .set nomips16\n\ | |
143 jal " USER_LABEL_PREFIX #FUNC "\n\ | |
144 .set pop\n\ | |
145 " TEXT_SECTION_ASM_OP); |