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09cae750 | 1 | /* Definitions for RISC-V GNU/Linux systems with ELF format. |
a5544970 | 2 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
09cae750 PD |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC 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 3, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GCC 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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #define TARGET_OS_CPP_BUILTINS() \ | |
21 | do { \ | |
22 | GNU_USER_TARGET_OS_CPP_BUILTINS(); \ | |
23 | } while (0) | |
24 | ||
25 | #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-riscv" XLEN_SPEC "-" ABI_SPEC ".so.1" | |
26 | ||
4d30a85e MC |
27 | #define MUSL_ABI_SUFFIX \ |
28 | "%{mabi=ilp32:-sf}" \ | |
29 | "%{mabi=ilp32f:-sp}" \ | |
30 | "%{mabi=ilp32d:}" \ | |
31 | "%{mabi=lp64:-sf}" \ | |
32 | "%{mabi=lp64f:-sp}" \ | |
37d57ac9 | 33 | "%{mabi=lp64d:}" |
4d30a85e MC |
34 | |
35 | #undef MUSL_DYNAMIC_LINKER | |
36 | #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-riscv" XLEN_SPEC MUSL_ABI_SUFFIX ".so.1" | |
37 | ||
09cae750 PD |
38 | /* Because RISC-V only has word-sized atomics, it requries libatomic where |
39 | others do not. So link libatomic by default, as needed. */ | |
40 | #undef LIB_SPEC | |
41 | #ifdef LD_AS_NEEDED_OPTION | |
42 | #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC \ | |
43 | " %{pthread:" LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION "}" | |
44 | #else | |
45 | #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC " -latomic " | |
46 | #endif | |
47 | ||
f1bdc63a AW |
48 | #define ICACHE_FLUSH_FUNC "__riscv_flush_icache" |
49 | ||
9bc5ecf3 AS |
50 | #define CPP_SPEC "%{pthread:-D_REENTRANT}" |
51 | ||
37d57ac9 JW |
52 | #define LD_EMUL_SUFFIX \ |
53 | "%{mabi=lp64d:}" \ | |
54 | "%{mabi=lp64f:_lp64f}" \ | |
55 | "%{mabi=lp64:_lp64}" \ | |
56 | "%{mabi=ilp32d:}" \ | |
57 | "%{mabi=ilp32f:_ilp32f}" \ | |
58 | "%{mabi=ilp32:_ilp32}" | |
59 | ||
09cae750 | 60 | #define LINK_SPEC "\ |
37d57ac9 | 61 | -melf" XLEN_SPEC "lriscv" LD_EMUL_SUFFIX " \ |
559fb136 | 62 | %{mno-relax:--no-relax} \ |
09cae750 PD |
63 | %{shared} \ |
64 | %{!shared: \ | |
65 | %{!static: \ | |
66 | %{rdynamic:-export-dynamic} \ | |
67 | -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ | |
68 | %{static:-static}}" | |
12af29ab JW |
69 | |
70 | #define TARGET_ASM_FILE_END file_end_indicate_exec_stack |