1/* Support for GCC on MIPS using WindISS simulator.
2   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
3   Contributed by CodeSourcery, LLC.
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, " (MIPS WindISS)");
24
25/* Combination of mips.h and svr4.h.  */
26#undef  SWITCH_TAKES_ARG
27#define SWITCH_TAKES_ARG(CHAR)          \
28  (DEFAULT_SWITCH_TAKES_ARG (CHAR)      \
29   || (CHAR) == 'G'                     \
30   || (CHAR) == 'h'                     \
31   || (CHAR) == 'x'                     \
32   || (CHAR) == 'z')
33
34#undef SUBTARGET_CPP_SPEC
35#define SUBTARGET_CPP_SPEC \
36"%{!DCPU=*: %{mips3|mips4|mips64:-DCPU=MIPS64;:-DCPU=MIPS32}} \
37  %{EL|mel:-DMIPSEL;:-DMIPSEB} \
38  %{msoft-float:-DSOFT_FLOAT} \
39  %{mips1:-D_WRS_R3K_EXC_SUPPORT}"
40
41#undef  ASM_SPEC
42#define ASM_SPEC "\
43%{!G:-G 0} %{G*} %(endian_spec) %{mips1} %{mips2} %{mips3} %{mips4} \
44%{mips32} %{mips32r2} %{mips64} \
45%{mips16:%{!mno-mips16:-mips16}} %{mno-mips16:-no-mips16} \
46%(subtarget_asm_optimizing_spec) \
47%(subtarget_asm_debugging_spec) \
48%{mabi=*} %{!mabi*: %(asm_abi_default_spec)} \
49%{mgp32} %{mgp64} %{march=*} %{mxgot:-xgot} \
50%{mtune=*} %{v} \
51%(subtarget_asm_spec)"
52
53#undef LINK_SPEC
54/* LINK_SPEC is clobbered in svr4.h. ugh!  */
55#define LINK_SPEC "\
56-m elf32mipswindiss \
57%{!G:-G 0} %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips64} \
58%{bestGnum}"
59
60/* Diab libs MIPS{,E,F,L,M,W,X,Y,Z}{,H,N,S}
61
62   .
63   E - Elf (small-data/const=8
64   F - Elf Far (small-data/const=0)
65   L - Little Elf
66   M - Little Elf Far
67   W - elf32 bigmips
68   X - elf32 bigmips (far?)
69   Y - elf32 littlemips
70   Z - elf32 littlemips (far?)
71
72   . - Integer routines
73   H - Hard float
74   N - No float
75   S - Soft float
76
77   Want {F,M}{,H,S}
78
79*/
80
81#undef LIB_SPEC
82#define LIB_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
83
84#undef STARTFILE_SPEC
85#define STARTFILE_SPEC "crt0.o%s crtbegin.o%s"
86
87#undef ENDFILE_SPEC
88#define ENDFILE_SPEC "crtend.o%s"
89
90/* We have no shared libraries.  These two shouldn't be necessary.  */
91#undef LINK_SHLIB_SPEC
92#define LINK_SHLIB_SPEC ""
93#undef LINK_EH_SPEC
94#define LINK_EH_SPEC ""
95
96#undef CRTSAVRES_DEFAULT_SPEC
97#define CRTSAVRES_DEFAULT_SPEC ""
98
99/* No sdata.  */
100#undef MIPS_DEFAULT_GVALUE
101#define MIPS_DEFAULT_GVALUE 0
102