1 /* Xtensa/Elf configuration.
2 Derived from the configuration for GCC for Intel i386 running Linux.
3 Copyright (C) 2001 Free Software Foundation, Inc.
5 This file is part of GCC.
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
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
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
22 #define TARGET_OS_CPP_BUILTINS() \
24 builtin_define ("__ELF__"); \
27 #define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags
29 /* Don't assume anything about the header files. */
30 #define NO_IMPLICIT_EXTERN_C
33 #define ASM_APP_ON "#APP\n"
36 #define ASM_APP_OFF "#NO_APP\n"
39 #undef MD_STARTFILE_PREFIX
42 #define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr);
45 #define SIZE_TYPE "unsigned int"
48 #define PTRDIFF_TYPE "int"
51 #define WCHAR_TYPE "int"
53 #undef WCHAR_TYPE_SIZE
54 #define WCHAR_TYPE_SIZE BITS_PER_WORD
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}"
68 #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
71 #define STARTFILE_SPEC "crt1-sim%O%s crti%O%s crtbegin%O%s _vectors%O%s"
74 #define ENDFILE_SPEC "crtend%O%s crtn%O%s"
81 %{rdynamic:-export-dynamic} \
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. */
88 #ifndef LOCAL_LABEL_PREFIX
89 #define LOCAL_LABEL_PREFIX "."
92 /* By default, external symbols do not have an underscore prepended. */
94 #ifndef USER_LABEL_PREFIX
95 #define USER_LABEL_PREFIX ""
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
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
108 /* Do not force "-fpic" for this target. */
109 #define XTENSA_ALWAYS_PIC 0
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
114 #undef ASM_DECLARE_FUNCTION_SIZE
115 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
118 if (!flag_inhibit_size_directive) \
119 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
120 XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL); \