1 /* Definitions for MicroBlaze running Linux.
2    Copyright (C) 2009-2020 Free Software Foundation, Inc.
3 
4    This file is part of GCC.
5 
6    Contributed by Michael Eager <eager@eagercon.com>.
7 
8    GCC is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3, or (at your option)
11    any later version.
12 
13    GCC is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with GCC; see the file COPYING3.  If not see
20    <http://www.gnu.org/licenses/>.  */
21 
22 #undef TARGET_SUPPORTS_PIC
23 #define TARGET_SUPPORTS_PIC 1
24 
25 #undef CPP_SPEC
26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
27 
28 #undef TLS_NEEDS_GOT
29 #define TLS_NEEDS_GOT 1
30 
31 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
32 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
33 
34 #if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
35 #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:;:el}"
36 #else
37 #define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:el}"
38 #endif
39 
40 #undef MUSL_DYNAMIC_LINKER
41 #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
42 
43 #undef  SUBTARGET_EXTRA_SPECS
44 #define SUBTARGET_EXTRA_SPECS \
45   { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
46 
47 #undef LINK_SPEC
48 #define LINK_SPEC "%{shared:-shared} \
49   %{!shared: \
50     %{!static: \
51       %{rdynamic:-export-dynamic} \
52       -dynamic-linker %(dynamic_linker)} \
53     %{static:-static}} \
54   %{mbig-endian:-EB} \
55   %{mlittle-endian:-EL}"
56 
57 /* For the microblaze-*-linux* subtarget.  */
58 #undef TARGET_OS_CPP_BUILTINS
59 #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
60 
61 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
62