xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/xtensa/elf.h (revision 154bfe8e089c1a0a4e9ed8414f08d3da90949162)
1 /* Xtensa/Elf configuration.
2    Derived from the configuration for GCC for Intel i386 running Linux.
3    Copyright (C) 2001-2018 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 3, 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 COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20 
21 #define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags
22 
23 /* Don't assume anything about the header files.  */
24 #define NO_IMPLICIT_EXTERN_C
25 
26 #undef ASM_APP_ON
27 #define ASM_APP_ON "#APP\n"
28 
29 #undef ASM_APP_OFF
30 #define ASM_APP_OFF "#NO_APP\n"
31 
32 #undef SIZE_TYPE
33 #define SIZE_TYPE "unsigned int"
34 
35 #undef PTRDIFF_TYPE
36 #define PTRDIFF_TYPE "int"
37 
38 #undef WCHAR_TYPE
39 #define WCHAR_TYPE "short unsigned int"
40 
41 #undef WCHAR_TYPE_SIZE
42 #define WCHAR_TYPE_SIZE 16
43 
44 #undef ASM_SPEC
45 #define ASM_SPEC \
46  "%{mtext-section-literals:--text-section-literals} \
47   %{mno-text-section-literals:--no-text-section-literals} \
48   %{mtarget-align:--target-align} \
49   %{mno-target-align:--no-target-align} \
50   %{mlongcalls:--longcalls} \
51   %{mno-longcalls:--no-longcalls} \
52   %{mauto-litpools:--auto-litpools} \
53   %{mno-auto-litpools:--no-auto-litpools}"
54 
55 #undef LIB_SPEC
56 #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
57 
58 #undef STARTFILE_SPEC
59 #define STARTFILE_SPEC \
60   "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
61 
62 #undef ENDFILE_SPEC
63 #define ENDFILE_SPEC "crtend%O%s crtn%O%s"
64 
65 #undef LINK_SPEC
66 #define LINK_SPEC \
67  "%{shared:-shared} \
68   %{!shared: \
69     %{!static: \
70       %{rdynamic:-export-dynamic} \
71     %{static:-static}}}"
72 
73 #undef LOCAL_LABEL_PREFIX
74 #define LOCAL_LABEL_PREFIX	"."
75 
76 /* Avoid dots for compatibility with VxWorks.  */
77 #undef NO_DOLLAR_IN_LABEL
78 #define NO_DOT_IN_LABEL
79 
80 /* Do not force "-fpic" for this target.  */
81 #define XTENSA_ALWAYS_PIC 0
82 
83 #undef DBX_REGISTER_NUMBER
84 
85 /* Search for headers in $tooldir/arch/include and for libraries and
86    startfiles in $tooldir/arch/lib.  */
87 #define GCC_DRIVER_HOST_INITIALIZATION \
88 do \
89 { \
90   char *tooldir, *archdir; \
91   tooldir = concat (tooldir_base_prefix, spec_machine, \
92 		    dir_separator_str, NULL); \
93   if (!IS_ABSOLUTE_PATH (tooldir)) \
94     tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
95 		      spec_version, dir_separator_str, tooldir, NULL); \
96   archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
97   add_prefix (&startfile_prefixes, \
98 	      concat (archdir, "lib", dir_separator_str, NULL), \
99 	      "GCC", PREFIX_PRIORITY_LAST, 0, 1); \
100   add_prefix (&include_prefixes, archdir, \
101 	      "GCC", PREFIX_PRIORITY_LAST, 0, 0); \
102   } \
103 while (0)
104