1/* Definitions for MIPS running Linux-based GNU systems with ELF format
2   using n32/64 abi.
3   Copyright 2002, 2003, 2004, 2005, 2006 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/* Force the default endianness and ABI flags onto the command line
23   in order to make the other specs easier to write.  */
24#define DRIVER_SELF_SPECS \
25"%{!EB:%{!EL:%(endian_spec)}}", \
26"%{!mabi=*: -mabi=n32}"
27
28#undef SUBTARGET_ASM_SPEC
29#define SUBTARGET_ASM_SPEC "\
30%{!fno-PIC:%{!fno-pic:-KPIC}} \
31%{fno-PIC:-non_shared} %{fno-pic:-non_shared}"
32
33#undef LIB_SPEC
34#define LIB_SPEC "\
35%{shared: -lc} \
36%{!shared: %{pthread:-lpthread} \
37  %{profile:-lc_p} %{!profile: -lc}}"
38
39#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
40#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1"
41#define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
42#define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
43#define LINUX_DYNAMIC_LINKERN32 \
44  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32)
45
46#undef LINK_SPEC
47#define LINK_SPEC "\
48%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
49%{bestGnum} %{shared} %{non_shared} \
50%{call_shared} %{no_archive} %{exact_version} \
51 %(endian_spec) \
52  %{!shared: \
53    %{!ibcs: \
54      %{!static: \
55        %{rdynamic:-export-dynamic} \
56        %{!dynamic-linker: \
57	  %{mabi=n32: -dynamic-linker " LINUX_DYNAMIC_LINKERN32 "} \
58	  %{mabi=64: -dynamic-linker " LINUX_DYNAMIC_LINKER64 "} \
59	  %{mabi=32: -dynamic-linker " LINUX_DYNAMIC_LINKER32 "}}} \
60      %{static:-static}}} \
61%{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
62%{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
63%{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
64
65#undef LOCAL_LABEL_PREFIX
66#define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".")
67
68/* GNU/Linux doesn't use the same floating-point format that IRIX uses
69   for long double.  There's no need to override this here, since
70   ieee_quad_format is the default, but let's put this here to make
71   sure nobody thinks we just forgot to set it to something else.  */
72#define MIPS_TFMODE_FORMAT mips_quad_format
73