Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/freebsd.h @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | f6334be47118 |
children | 84e7813d76e9 |
rev | line source |
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0 | 1 /* Definitions for Intel 386 running FreeBSD with ELF format |
111 | 2 Copyright (C) 1996-2017 Free Software Foundation, Inc. |
0 | 3 Contributed by Eric Youngdale. |
4 Modified for stabs-in-ELF by H.J. Lu. | |
5 Adapted from GNU/Linux version by John Polstra. | |
6 Continued development by David O'Brien <obrien@freebsd.org> | |
7 | |
8 This file is part of GCC. | |
9 | |
10 GCC is free software; you can redistribute it and/or modify | |
11 it under the terms of the GNU General Public License as published by | |
12 the Free Software Foundation; either version 3, or (at your option) | |
13 any later version. | |
14 | |
15 GCC is distributed in the hope that it will be useful, | |
16 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 GNU General Public License for more details. | |
19 | |
20 You should have received a copy of the GNU General Public License | |
21 along with GCC; see the file COPYING3. If not see | |
22 <http://www.gnu.org/licenses/>. */ | |
23 | |
24 | |
25 /* Override the default comment-starter of "/". */ | |
26 #undef ASM_COMMENT_START | |
27 #define ASM_COMMENT_START "#" | |
28 | |
29 #undef ASM_APP_ON | |
30 #define ASM_APP_ON "#APP\n" | |
31 | |
32 #undef ASM_APP_OFF | |
33 #define ASM_APP_OFF "#NO_APP\n" | |
34 | |
35 #undef DBX_REGISTER_NUMBER | |
36 #define DBX_REGISTER_NUMBER(n) \ | |
37 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) | |
38 | |
39 #undef NO_PROFILE_COUNTERS | |
40 #define NO_PROFILE_COUNTERS 1 | |
41 | |
42 /* Tell final.c that we don't need a label passed to mcount. */ | |
43 | |
44 #undef MCOUNT_NAME | |
45 #define MCOUNT_NAME ".mcount" | |
46 | |
47 /* Make gcc agree with <machine/ansi.h>. */ | |
48 | |
49 #undef SIZE_TYPE | |
50 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") | |
51 | |
52 #undef PTRDIFF_TYPE | |
53 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") | |
54 | |
55 #undef WCHAR_TYPE_SIZE | |
56 #define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD) | |
57 | |
58 #undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */ | |
59 #define SUBTARGET_EXTRA_SPECS \ | |
60 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER } | |
61 | |
111 | 62 /* Use the STARTFILE_SPEC from config/freebsd-spec.h. */ |
63 | |
64 #undef STARTFILE_SPEC | |
65 #define STARTFILE_SPEC FBSD_STARTFILE_SPEC | |
0 | 66 |
111 | 67 /* Use the ENDFILE_SPEC from config/freebsd-spec.h. */ |
0 | 68 |
111 | 69 #undef ENDFILE_SPEC |
70 #define ENDFILE_SPEC FBSD_ENDFILE_SPEC | |
0 | 71 |
72 /* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support | |
73 for the special GCC options -static and -shared, which allow us to | |
74 link things in one of these three modes by applying the appropriate | |
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
|
75 combinations of options at link-time. |
0 | 76 |
77 When the -shared link option is used a final link is not being | |
78 done. */ | |
79 | |
80 #undef LINK_SPEC | |
81 #define LINK_SPEC "\ | |
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
|
82 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \ |
0 | 83 %{v:-V} \ |
84 %{assert*} %{R*} %{rpath*} %{defsym*} \ | |
85 %{shared:-Bshareable %{h*} %{soname*}} \ | |
86 %{!shared: \ | |
87 %{!static: \ | |
88 %{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
|
89 -dynamic-linker %(fbsd_dynamic_linker) } \ |
0 | 90 %{static:-Bstatic}} \ |
91 %{symbolic:-Bsymbolic}" | |
92 | |
93 /* A C statement to output to the stdio stream FILE an assembler | |
94 command to advance the location counter to a multiple of 1<<LOG | |
95 bytes if it is within MAX_SKIP bytes. | |
96 | |
97 This is used to align code labels according to Intel recommendations. */ | |
98 | |
99 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN | |
100 #undef ASM_OUTPUT_MAX_SKIP_ALIGN | |
111 | 101 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ |
102 do { \ | |
103 if ((LOG) != 0) { \ | |
104 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
105 else { \ | |
106 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
107 /* Make sure that we have at least 8 byte alignment if > 8 byte \ | |
108 alignment is preferred. */ \ | |
109 if ((LOG) > 3 \ | |
110 && (1 << (LOG)) > ((MAX_SKIP) + 1) \ | |
111 && (MAX_SKIP) >= 7) \ | |
112 fputs ("\t.p2align 3\n", (FILE)); \ | |
113 } \ | |
114 } \ | |
115 } while (0) | |
0 | 116 #endif |
117 | |
118 /* Don't default to pcc-struct-return, we want to retain compatibility with | |
119 older gcc versions AND pcc-struct-return is nonreentrant. | |
120 (even though the SVR4 ABI for the i386 says that records and unions are | |
121 returned in memory). */ | |
122 | |
123 #undef DEFAULT_PCC_STRUCT_RETURN | |
124 #define DEFAULT_PCC_STRUCT_RETURN 0 | |
125 | |
126 /* FreeBSD sets the rounding precision of the FPU to 53 bits. Let the | |
127 compiler get the contents of <float.h> and std::numeric_limits correct. */ | |
128 #undef TARGET_96_ROUND_53_LONG_DOUBLE | |
129 #define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT) | |
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
|
130 |
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
|
131 /* Static stack checking is supported by means of probes. */ |
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
|
132 #define STACK_CHECK_STATIC_BUILTIN 1 |
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
|
133 |
111 | 134 #define SUBTARGET32_DEFAULT_CPU "i586" |
135 | |
136 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack | |
137 |