1 /* Definitions for MIPS running Linux-based GNU systems with ELF format.
2 Copyright (C) 1998, 1999 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Required to keep collect2.c happy */
22 #undef OBJECT_FORMAT_COFF
24 /* If we don't set MASK_ABICALLS, we can't default to PIC. */
26 #define TARGET_DEFAULT (MASK_ABICALLS|MASK_GAS)
29 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
30 the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
31 provides part of the support for getting C++ file-scope static
32 object constructed before entering `main'. */
35 #define STARTFILE_SPEC \
37 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
38 crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
40 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
41 the GNU/Linux magical crtend.o file (see crtstuff.c) which
42 provides part of the support for getting C++ file-scope static
43 object constructed before entering `main', followed by a normal
44 GNU/Linux "finalizer" file, `crtn.o'. */
47 #define ENDFILE_SPEC \
48 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
51 /* -G is incompatible with -KPIC which is the default, so only allow objects
52 in the small data section if the user explicitly asks for it. */
53 #undef MIPS_DEFAULT_GVALUE
54 #define MIPS_DEFAULT_GVALUE 0
57 /* Taken from sparc/linux.h. */
60 %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
61 %{profile:-lc_p} %{!profile: -lc}}"
63 /* Borrowed from sparc/linux.h */
65 #define LINK_SPEC "-Y P,/usr/lib %{shared:-shared} \
69 %{rdynamic:-export-dynamic} \
70 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
74 #undef SUBTARGET_ASM_SPEC
75 #define SUBTARGET_ASM_SPEC "-KPIC"
77 /* Undefine the following which were defined in elf.h. This will cause the linux
78 port to continue to use collect2 for constructors/destructors. These may be removed
79 when .ctor/.dtor section support is desired. */
81 #undef CTORS_SECTION_ASM_OP
82 #undef DTORS_SECTION_ASM_OP
85 #define EXTRA_SECTIONS in_sdata, in_rdata
91 #undef EXTRA_SECTION_FUNCTIONS
92 #define EXTRA_SECTION_FUNCTIONS \
93 SECTION_FUNCTION_TEMPLATE(sdata_section, in_sdata, SDATA_SECTION_ASM_OP) \
94 SECTION_FUNCTION_TEMPLATE(rdata_section, in_rdata, RDATA_SECTION_ASM_OP)
96 #undef ASM_OUTPUT_CONSTRUCTOR
97 #undef ASM_OUTPUT_DESTRUCTOR
99 #undef CTOR_LIST_BEGIN
101 #undef DTOR_LIST_BEGIN
104 /* End of undefines to turn off .ctor/.dtor section support */