sp-elf.h revision 267654 
1/* Definitions of target machine for GCC,
2   for SPARC running in an embedded environment using the ELF file format.
3   Copyright (C) 2005 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22#undef TARGET_VERSION
23#define TARGET_VERSION fprintf (stderr, " (sparc-elf)")
24
25/* Don't assume anything about the header files.  */
26#define NO_IMPLICIT_EXTERN_C
27
28/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
29   It's safe to pass -s always, even if -g is not used.  */
30#undef ASM_SPEC
31#define ASM_SPEC \
32  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
33   %{fpic|fpie|fPIC|fPIE:-K PIC} %(asm_cpu)"
34
35/* Use the default.  */
36#undef LINK_SPEC
37
38#undef STARTFILE_SPEC
39#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
40
41#undef ENDFILE_SPEC
42#define ENDFILE_SPEC \
43  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
44   crtend.o%s crtn.o%s"
45
46/* Don't set the target flags, this is done by the linker script */
47#undef LIB_SPEC
48#define LIB_SPEC ""
49
50/* This defines which switch letters take arguments.
51   It is as in svr4.h but with -R added.  */
52#undef SWITCH_TAKES_ARG
53#define SWITCH_TAKES_ARG(CHAR) \
54  (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
55   || (CHAR) == 'R' \
56   || (CHAR) == 'h' \
57   || (CHAR) == 'z')
58
59#undef  LOCAL_LABEL_PREFIX
60#define LOCAL_LABEL_PREFIX  "."
61
62/* This is how to store into the string LABEL
63   the symbol_ref name of an internal numbered label where
64   PREFIX is the class of label and NUM is the number within the class.
65   This is suitable for output with `assemble_name'.  */
66
67#undef  ASM_GENERATE_INTERNAL_LABEL
68#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)	\
69  sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
70
71/* ??? Inherited from sol2.h.  Probably wrong.  */
72#undef WCHAR_TYPE
73#define WCHAR_TYPE "long int"
74
75#undef WCHAR_TYPE_SIZE
76#define WCHAR_TYPE_SIZE BITS_PER_WORD
77
78/* ??? until fixed.  */
79#undef LONG_DOUBLE_TYPE_SIZE
80#define LONG_DOUBLE_TYPE_SIZE 64
81