1 /* Declarations for bare-metal C-SKY targets.
2    Copyright (C) 2018-2019 Free Software Foundation, Inc.
3    Contributed by C-SKY Microsystems and Mentor Graphics.
4 
5    This file is part of GCC.
6 
7    GCC is free software; you can redistribute it and/or modify it
8    under the terms of the GNU General Public License as published
9    by the Free Software Foundation; either version 3, or (at your
10    option) any later version.
11 
12    GCC is distributed in the hope that it will be useful, but WITHOUT
13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15    License 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 
22 /******************************************************************
23  *		 Run-time Target Specification			  *
24  ******************************************************************/
25 
26 #undef STARTFILE_SPEC
27 #define STARTFILE_SPEC \
28   "crt0.o%s crti.o%s crtbegin.o%s"
29 
30 #undef ENDFILE_SPEC
31 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
32 
33 #undef CC1_SPEC
34 #define CC1_SPEC		 \
35   "%{EB:-EB}			 \
36    %{EL:-EL}			 \
37    %{fpic|fPIC:-DPIC}		 \
38    %{march=ck803s:-march=ck803}	 \
39   "
40 
41 #undef ASM_SPEC
42 #define ASM_SPEC		\
43   "%{mbig-endian:-mbig-endian}	\
44   %{EB:-EB}			\
45   %{EL:-EL}			\
46   %{fpic|fPIC:-pic}		\
47   %{mcpu=*:-mcpu=%*}		\
48   %{march=*:-march=%*}		\
49   %{mhard-float:-mhard-float}	\
50   %{melrw:-melrw}		\
51   %{mno-elrw:-mno-elrw}		\
52   %{mistack:-mistack}		\
53   %{mno-istack:-mno-istack}	\
54   %{mmp:-mmp}			\
55   %{mcp:-mcp}			\
56   %{mcache:-mcache}		\
57   %{msecurity|mmac:-msecurity}	\
58   %{mtrust:-mtrust}		\
59   %{mdsp:-mdsp}			\
60   %{medsp:-medsp}		\
61   %{mvdsp:-mvdsp}		\
62   "
63 
64 #undef	LINK_SPEC
65 #define LINK_SPEC     \
66 "%{mbig-endian:-EB}   \
67  %{EB:-EB}	      \
68  %{EL:-EL} -X"
69 
70 #undef	LIB_SPEC
71 #define LIB_SPEC \
72   "%{pthread:-lpthread} -lc %{mccrt:-lcc-rt}"
73 /* FIXME add this to LIB_SPEC when need */
74 /*   %{!shared:%{profile:-lc_p}%{!profile:-lc}}" */
75 
76 
77 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
78 
79 /* Disable features only for Linux toolchains.	*/
80 #undef TARGET_POSIX_IO
81 #define TARGET_CSKY_LINUX 0
82