Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sh/linux.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | a06113de4d67 |
children | 04ced10e8804 |
rev | line source |
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0 | 1 /* Definitions for SH running Linux-based GNU systems using ELF |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2010 |
0 | 3 Free Software Foundation, Inc. |
4 Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp> | |
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 /* Run-time Target Specification. */ | |
23 #undef TARGET_VERSION | |
24 #define TARGET_VERSION fputs (" (SH GNU/Linux with ELF)", stderr); | |
25 | |
26 /* Enable DWARF 2 exceptions. */ | |
27 #undef DWARF2_UNWIND_INFO | |
28 #define DWARF2_UNWIND_INFO 1 | |
29 | |
30 #undef SUBTARGET_CPP_SPEC | |
31 #define SUBTARGET_CPP_SPEC "\ | |
32 %{posix:-D_POSIX_SOURCE} \ | |
33 %{pthread:-D_REENTRANT -D_PTHREADS} \ | |
34 " | |
35 | |
36 #define TARGET_OS_CPP_BUILTINS() \ | |
37 do \ | |
38 { \ | |
39 LINUX_TARGET_OS_CPP_BUILTINS(); \ | |
40 } \ | |
41 while (0) | |
42 | |
43 #undef TARGET_DEFAULT | |
44 #define TARGET_DEFAULT \ | |
45 (TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT \ | |
46 | TARGET_OPT_DEFAULT) | |
47 | |
48 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack | |
49 | |
50 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" | |
51 | |
52 #undef SUBTARGET_LINK_EMUL_SUFFIX | |
53 #define SUBTARGET_LINK_EMUL_SUFFIX "_linux" | |
54 #undef SUBTARGET_LINK_SPEC | |
55 #define SUBTARGET_LINK_SPEC \ | |
56 "%{shared:-shared} \ | |
57 %{!static: \ | |
58 %{rdynamic:-export-dynamic} \ | |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
59 -dynamic-linker " LINUX_DYNAMIC_LINKER "} \ |
0 | 60 %{static:-static}" |
61 | |
62 /* Output assembler code to STREAM to call the profiler. */ | |
63 | |
64 #undef FUNCTION_PROFILER | |
65 #define FUNCTION_PROFILER(STREAM,LABELNO) \ | |
66 do { \ | |
67 if (TARGET_SHMEDIA) \ | |
68 { \ | |
69 fprintf (STREAM, "\tpt\t1f,tr1\n"); \ | |
70 fprintf (STREAM, "\taddi.l\tr15,-8,r15\n"); \ | |
71 fprintf (STREAM, "\tst.l\tr15,0,r18\n"); \ | |
72 if (flag_pic) \ | |
73 { \ | |
74 const char *gofs = "(datalabel _GLOBAL_OFFSET_TABLE_-(0f-.))"; \ | |
75 fprintf (STREAM, "\tmovi\t((%s>>16)&0xffff),r21\n", gofs); \ | |
76 fprintf (STREAM, "\tshori\t(%s & 0xffff),r21\n", gofs); \ | |
77 fprintf (STREAM, "0:\tptrel/u\tr21,tr0\n"); \ | |
78 fprintf (STREAM, "\tmovi\t((mcount@GOTPLT)&0xffff),r22\n"); \ | |
79 fprintf (STREAM, "\tgettr\ttr0,r21\n"); \ | |
80 fprintf (STREAM, "\tadd.l\tr21,r22,r21\n"); \ | |
81 fprintf (STREAM, "\tld.l\tr21,0,r21\n"); \ | |
82 fprintf (STREAM, "\tptabs\tr21,tr0\n"); \ | |
83 } \ | |
84 else \ | |
85 fprintf (STREAM, "\tpt\tmcount,tr0\n"); \ | |
86 fprintf (STREAM, "\tgettr\ttr1,r18\n"); \ | |
87 fprintf (STREAM, "\tblink\ttr0,r63\n"); \ | |
88 fprintf (STREAM, "1:\tld.l\tr15,0,r18\n"); \ | |
89 fprintf (STREAM, "\taddi.l\tr15,8,r15\n"); \ | |
90 } \ | |
91 else \ | |
92 { \ | |
93 if (flag_pic) \ | |
94 { \ | |
95 fprintf (STREAM, "\tmov.l\t3f,r1\n"); \ | |
96 fprintf (STREAM, "\tmova\t3f,r0\n"); \ | |
97 fprintf (STREAM, "\tadd\tr1,r0\n"); \ | |
98 fprintf (STREAM, "\tmov.l\t1f,r1\n"); \ | |
99 fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \ | |
100 } \ | |
101 else \ | |
102 fprintf (STREAM, "\tmov.l\t1f,r1\n"); \ | |
103 fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \ | |
104 fprintf (STREAM, "\tmova\t2f,r0\n"); \ | |
105 fprintf (STREAM, "\tjmp\t@r1\n"); \ | |
106 fprintf (STREAM, "\tlds\tr0,pr\n"); \ | |
107 fprintf (STREAM, "\t.align\t2\n"); \ | |
108 if (flag_pic) \ | |
109 { \ | |
110 fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \ | |
111 fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \ | |
112 } \ | |
113 else \ | |
114 fprintf (STREAM, "1:\t.long\tmcount\n"); \ | |
115 fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \ | |
116 } \ | |
117 } while (0) | |
118 | |
119 #define MD_UNWIND_SUPPORT "config/sh/linux-unwind.h" | |
120 | |
121 /* For SH3 and SH4, we use a slot of the unwind frame which correspond | |
122 to a fake register number 16 as a placeholder for the return address | |
123 in MD_FALLBACK_FRAME_STATE_FOR and its content will be read with | |
124 _Unwind_GetGR which uses dwarf_reg_size_table to get the size of | |
125 the register. So the entry of dwarf_reg_size_table corresponding to | |
126 this slot must be set. To do this, we redefine DBX_REGISTER_NUMBER | |
127 so as to return itself for 16. */ | |
128 #undef DBX_REGISTER_NUMBER | |
129 #define DBX_REGISTER_NUMBER(REGNO) \ | |
130 ((! TARGET_SH5 && (REGNO) == 16) ? 16 : SH_DBX_REGISTER_NUMBER (REGNO)) | |
131 | |
132 /* Since libgcc is compiled with -fpic for this target, we can't use | |
133 __sdivsi3_1 as the division strategy for -O0 and -Os. */ | |
134 #undef SH_DIV_STRATEGY_DEFAULT | |
135 #define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2 | |
136 #undef SH_DIV_STR_FOR_SIZE | |
137 #define SH_DIV_STR_FOR_SIZE "call2" |