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03984308 BW |
1 | /* Xtensa/Elf configuration. |
2 | Derived from the configuration for GCC for Intel i386 running Linux. | |
3 | Copyright (C) 2001 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
624f0d60 BW |
22 | #define TARGET_OS_CPP_BUILTINS() \ |
23 | do { \ | |
24 | builtin_define ("__ELF__"); \ | |
25 | } while (0) | |
26 | ||
01abf342 BW |
27 | #define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags |
28 | ||
03984308 BW |
29 | /* Don't assume anything about the header files. */ |
30 | #define NO_IMPLICIT_EXTERN_C | |
31 | ||
32 | #undef ASM_APP_ON | |
33 | #define ASM_APP_ON "#APP\n" | |
34 | ||
35 | #undef ASM_APP_OFF | |
36 | #define ASM_APP_OFF "#NO_APP\n" | |
37 | ||
38 | #undef MD_EXEC_PREFIX | |
39 | #undef MD_STARTFILE_PREFIX | |
40 | ||
41 | #undef TARGET_VERSION | |
42 | #define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr); | |
43 | ||
44 | #undef SIZE_TYPE | |
45 | #define SIZE_TYPE "unsigned int" | |
46 | ||
47 | #undef PTRDIFF_TYPE | |
48 | #define PTRDIFF_TYPE "int" | |
49 | ||
50 | #undef WCHAR_TYPE | |
51 | #define WCHAR_TYPE "int" | |
52 | ||
53 | #undef WCHAR_TYPE_SIZE | |
54 | #define WCHAR_TYPE_SIZE BITS_PER_WORD | |
55 | ||
56 | #undef ASM_SPEC | |
57 | #define ASM_SPEC "%{v} %{mno-density:--no-density} \ | |
58 | %{mtext-section-literals:--text-section-literals} \ | |
59 | %{mno-text-section-literals:--no-text-section-literals} \ | |
60 | %{mtarget-align:--target-align} \ | |
61 | %{mno-target-align:--no-target-align} \ | |
62 | %{mlongcalls:--longcalls} \ | |
63 | %{mno-longcalls:--no-longcalls}" | |
64 | ||
65 | #undef ASM_FINAL_SPEC | |
66 | ||
67 | #undef LIB_SPEC | |
68 | #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim" | |
69 | ||
70 | #undef STARTFILE_SPEC | |
71 | #define STARTFILE_SPEC "crt1-sim%O%s crti%O%s crtbegin%O%s _vectors%O%s" | |
72 | ||
73 | #undef ENDFILE_SPEC | |
74 | #define ENDFILE_SPEC "crtend%O%s crtn%O%s" | |
75 | ||
76 | #undef LINK_SPEC | |
77 | #define LINK_SPEC \ | |
78 | "%{shared:-shared} \ | |
79 | %{!shared: \ | |
80 | %{!static: \ | |
81 | %{rdynamic:-export-dynamic} \ | |
82 | %{static:-static}}}" | |
83 | ||
03984308 BW |
84 | /* Local compiler-generated symbols must have a prefix that the assembler |
85 | understands. By default, this is $, although some targets (e.g., | |
86 | NetBSD-ELF) need to override this. */ | |
87 | ||
88 | #ifndef LOCAL_LABEL_PREFIX | |
89 | #define LOCAL_LABEL_PREFIX "." | |
90 | #endif | |
91 | ||
92 | /* By default, external symbols do not have an underscore prepended. */ | |
93 | ||
94 | #ifndef USER_LABEL_PREFIX | |
95 | #define USER_LABEL_PREFIX "" | |
96 | #endif | |
97 | ||
98 | /* Define this macro if the assembler does not accept the character | |
99 | "." in label names. By default constructors and destructors in G++ | |
100 | have names that use ".". If this macro is defined, these names | |
101 | are rewritten to avoid ".". */ | |
102 | #define NO_DOT_IN_LABEL | |
103 | ||
104 | /* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler | |
105 | doesn't allow $ in symbol names. */ | |
106 | #undef NO_DOLLAR_IN_LABEL | |
107 | ||
03984308 BW |
108 | /* Do not force "-fpic" for this target. */ |
109 | #define XTENSA_ALWAYS_PIC 0 | |
110 | ||
111 | /* Redefine the standard ELF version of ASM_DECLARE_FUNCTION_SIZE to | |
112 | allow adding the ".end literal_prefix" directive at the end of the | |
113 | function. */ | |
114 | #undef ASM_DECLARE_FUNCTION_SIZE | |
115 | #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ | |
116 | do \ | |
117 | { \ | |
118 | if (!flag_inhibit_size_directive) \ | |
99086d59 | 119 | ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ |
03984308 BW |
120 | XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL); \ |
121 | } \ | |
122 | while (0) |