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| author | Yang Yujie <yangyujie@loongson.cn> | 2023-06-30 17:07:59 +0800 |
|---|---|---|
| committer | Lulu Cheng <chenglulu@loongson.cn> | 2023-09-05 11:48:16 +0800 |
| commit | 976f4f9e4770a567550e8b9a9f2fc531206cebba (patch) | |
| tree | 83729f4382c6095545a144d6eb52ba19060c88fe /gcc | |
| parent | 18e2e589eefc9ac96a75ff890cf883f754b163e4 (diff) | |
| download | gcc-976f4f9e4770a567550e8b9a9f2fc531206cebba.zip gcc-976f4f9e4770a567550e8b9a9f2fc531206cebba.tar.gz gcc-976f4f9e4770a567550e8b9a9f2fc531206cebba.tar.bz2 | |
LoongArch: support loongarch*-elf target
gcc/ChangeLog:
* config.gcc: add loongarch*-elf target.
* config/loongarch/elf.h: New file.
Link against newlib by default.
libgcc/ChangeLog:
* config.host: add loongarch*-elf target.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config.gcc | 15 | ||||
| -rw-r--r-- | gcc/config/loongarch/elf.h | 51 |
2 files changed, 65 insertions, 1 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc index 89af167..b8aea73 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -2491,6 +2491,18 @@ loongarch*-*-linux*) gcc_cv_initfini_array=yes ;; +loongarch*-*-elf*) + tm_file="elfos.h newlib-stdint.h ${tm_file}" + tm_file="${tm_file} loongarch/elf.h loongarch/linux.h" + tmake_file="${tmake_file} loongarch/t-linux" + gnu_ld=yes + gas=yes + + # For .init_array support. The configure script cannot always + # automatically detect that GAS supports it, yet we require it. + gcc_cv_initfini_array=yes + ;; + mips*-*-netbsd*) # NetBSD/mips, either endian. target_cpu_default="MASK_ABICALLS" tm_file="elfos.h ${tm_file} mips/elf.h ${nbsd_tm_file} mips/netbsd.h" @@ -4932,8 +4944,9 @@ case "${target}" in esac case ${target} in - *-linux-gnu*) triplet_os="linux-gnu";; + *-linux-gnu*) triplet_os="linux-gnu";; *-linux-musl*) triplet_os="linux-musl";; + *-elf*) triplet_os="elf";; *) echo "Unsupported target ${target}." 1>&2 exit 1 diff --git a/gcc/config/loongarch/elf.h b/gcc/config/loongarch/elf.h new file mode 100644 index 0000000..523d5c7 --- /dev/null +++ b/gcc/config/loongarch/elf.h @@ -0,0 +1,51 @@ +/* Definitions for LoongArch ELF-based systems. + Copyright (C) 2023 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +/* Define the size of the wide character type. */ +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + + +/* GNU-specific SPEC definitions. */ +#define GNU_USER_LINK_EMULATION "elf" ABI_GRLEN_SPEC "loongarch" + +#undef GNU_USER_TARGET_LINK_SPEC +#define GNU_USER_TARGET_LINK_SPEC \ + "%{shared} -m " GNU_USER_LINK_EMULATION + + +/* Link against Newlib libraries, because the ELF backend assumes Newlib. + Handle the circular dependence between libc and libgloss. */ +#undef LIB_SPEC +#define LIB_SPEC "--start-group -lc %{!specs=nosys.specs:-lgloss} --end-group" + +#undef LINK_SPEC +#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "crt0%O%s crtbegin%O%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend%O%s" + +#undef SUBTARGET_CC1_SPEC +#define SUBTARGET_CC1_SPEC "%{profile:-p}" |