elf.h revision 1.1
1/* Definitions of ELF target support for Altera Nios II. 2 Copyright (C) 2012-2015 Free Software Foundation, Inc. 3 Contributed by Jonah Graham (jgraham@altera.com), 4 Will Reece (wreece@altera.com), and Jeff DaSilva (jdasilva@altera.com). 5 Contributed by Mentor Graphics, Inc. 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 3, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 24/* Specs to support the additional command-line options for Nios II ELF 25 toolchains. */ 26 27/* -msmallc chooses an alternate C library. 28 -msys-lib= specifies an additional low-level system/hosting library and 29 is typically used to suck in a library provided by a HAL BSP. */ 30#undef LIB_SPEC 31#define LIB_SPEC \ 32"--start-group %{msmallc: -lsmallc} %{!msmallc: -lc} -lgcc \ 33 %{msys-lib=*: -l%*} \ 34 --end-group \ 35" 36 37/* Linking with -mhal suppresses inclusion of the GCC-provided crt* begin/end 38 code. Normally in this case you also link with -msys-crt0= to specify 39 the startup code provided by the HAL BSP instead. */ 40#undef STARTFILE_SPEC 41#define STARTFILE_SPEC \ 42 "%{mhal:" \ 43 "%{msys-crt0=*:%*} %{!msys-crt0=*:crt0%O%s} " \ 44 "%{msys-crt0=:%eYou need a C startup file for -msys-crt0=};" \ 45 ":crti%O%s crtbegin%O%s}" 46 47#undef ENDFILE_SPEC 48#define ENDFILE_SPEC "%{!mhal:crtend%O%s crtn%O%s}" 49 50/* The ELF target doesn't support the Nios II Linux ABI. */ 51#define TARGET_LINUX_ABI 0 52 53