1/* Xtensa/Elf configuration.
2   Derived from the configuration for GCC for Intel i386 running Linux.
3   Copyright (C) 2001, 2003, 2006, 2007 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along 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 MD_EXEC_PREFIX
33#undef MD_STARTFILE_PREFIX
34
35#undef TARGET_VERSION
36#define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr);
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 "%{v} \
47  %{mtext-section-literals:--text-section-literals} \
48  %{mno-text-section-literals:--no-text-section-literals} \
49  %{mtarget-align:--target-align} \
50  %{mno-target-align:--no-target-align} \
51  %{mlongcalls:--longcalls} \
52  %{mno-longcalls:--no-longcalls}"
53
54#undef LIB_SPEC
55#define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
56
57#undef STARTFILE_SPEC
58#define STARTFILE_SPEC \
59  "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
60
61#undef ENDFILE_SPEC
62#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
63
64#undef LINK_SPEC
65#define LINK_SPEC \
66 "%{shared:-shared} \
67  %{!shared: \
68    %{!static: \
69      %{rdynamic:-export-dynamic} \
70    %{static:-static}}}"
71
72#undef LOCAL_LABEL_PREFIX
73#define LOCAL_LABEL_PREFIX	"."
74
75/* Avoid dots for compatibility with VxWorks.  */
76#undef NO_DOLLAR_IN_LABEL
77#define NO_DOT_IN_LABEL
78
79/* Do not force "-fpic" for this target.  */
80#define XTENSA_ALWAYS_PIC 0
81
82/* Search for headers in $tooldir/arch/include and for libraries and
83   startfiles in $tooldir/arch/lib.  */
84#define GCC_DRIVER_HOST_INITIALIZATION \
85do \
86{ \
87  char *tooldir, *archdir; \
88  tooldir = concat (tooldir_base_prefix, spec_machine, \
89		    dir_separator_str, NULL); \
90  if (!IS_ABSOLUTE_PATH (tooldir)) \
91    tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
92		      spec_version, dir_separator_str, tooldir, NULL); \
93  archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
94  add_prefix (&startfile_prefixes, \
95	      concat (archdir, "lib", dir_separator_str, NULL), \
96	      "GCC", PREFIX_PRIORITY_LAST, 0, 1); \
97  add_prefix (&include_prefixes, archdir, \
98	      "GCC", PREFIX_PRIORITY_LAST, 0, 0); \
99  } \
100while (0)
101
102#define HANDLE_PRAGMA_PACK_PUSH_POP 1
103