projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| fad92291 CZ |
1 | /* Target macros for arc*-elf targets. |
| 2 | ||
| a5544970 | 3 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
| fad92291 CZ |
4 | |
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GCC is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GCC; see the file COPYING3. If not see | |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | #undef DWARF2_UNWIND_INFO | |
| 22 | #define DWARF2_UNWIND_INFO 0 | |
| 23 | ||
| 24 | #undef LINK_SPEC | |
| 25 | #define LINK_SPEC "%{mbig-endian:-EB} %{EB} %{EL}" | |
| 26 | ||
| 27 | #define ARC_TLS_EXTRA_START_SPEC "crttls.o%s" | |
| 28 | ||
| 0dee55fe CZ |
29 | #undef SUBTARGET_EXTRA_SPECS |
| 30 | #define SUBTARGET_EXTRA_SPECS \ | |
| fad92291 CZ |
31 | { "arc_tls_extra_start_spec", ARC_TLS_EXTRA_START_SPEC }, \ |
| 32 | ||
| 33 | #undef STARTFILE_SPEC | |
| 34 | #define STARTFILE_SPEC "%{pg|p:gcrt0.o%s}%{!pg:%{!p:crt0.o%s}} crti%O%s " \ | |
| 35 | "%(arc_tls_extra_start_spec) crtbegin.o%s" | |
| 36 | ||
| 37 | #undef ENDFILE_SPEC | |
| 38 | #define ENDFILE_SPEC "crtend.o%s crtn%O%s" | |
| 39 | ||
| 40 | /* Leave the linker script to choose the appropriate libraries. */ | |
| 41 | #undef LIB_SPEC | |
| 42 | #define LIB_SPEC "" | |
| 43 | ||
| 44 | /* SDATA default for elf. */ | |
| 45 | #undef TARGET_SDATA_DEFAULT | |
| 46 | #define TARGET_SDATA_DEFAULT 1 | |
| 47 | ||
| 48 | /* We no medium calls. */ | |
| 49 | #undef TARGET_MMEDIUM_CALLS_DEFAULT | |
| 50 | #define TARGET_MMEDIUM_CALLS_DEFAULT 0 | |
| 51 | ||
| 52 | #ifdef ARC_MULTILIB_CPU_DEFAULT | |
| 53 | # ifndef MULTILIB_DEFAULTS | |
| 54 | # define MULTILIB_DEFAULTS { "mcpu=" ARC_MULTILIB_CPU_DEFAULT } | |
| 55 | # endif | |
| 56 | #endif | |
| 81b98ef7 CZ |
57 | |
| 58 | /* Bare-metal toolchains do not need a thread pointer register. */ | |
| 59 | #undef TARGET_ARC_TP_REGNO_DEFAULT | |
| 60 | #define TARGET_ARC_TP_REGNO_DEFAULT -1 | |
| f26322a6 CZ |
61 | |
| 62 | /* Indexed loads are default. */ | |
| 63 | #undef TARGET_INDEXED_LOADS_DEFAULT | |
| 64 | #define TARGET_INDEXED_LOADS_DEFAULT 1 | |
| 65 | ||
| 66 | /* Pre/post modify with register displacement are default. */ | |
| 67 | #undef TARGET_AUTO_MODIFY_REG_DEFAULT | |
| 68 | #define TARGET_AUTO_MODIFY_REG_DEFAULT 1 | |
| 6b55f8c9 | 69 | |
| 048c6a9a CZ |
70 | /* Build attribute: procedure call standard. */ |
| 71 | #undef ATTRIBUTE_PCS | |
| 72 | #define ATTRIBUTE_PCS 2 | |
| 73 | ||
| 6b55f8c9 CZ |
74 | #undef TARGET_ASM_FILE_END |
| 75 | #define TARGET_ASM_FILE_END arc_file_end | |
| 60a3f659 CZ |
76 | |
| 77 | /* If no specs file is enforced, default to nosys libarary. */ | |
| 78 | #undef LINK_GCC_C_SEQUENCE_SPEC | |
| 79 | #define LINK_GCC_C_SEQUENCE_SPEC \ | |
| f37866e8 | 80 | "--start-group %G %{!specs=*:%{!nolibc:-lc -lnosys}} --end-group" |
| 9de6af45 CZ |
81 | |
| 82 | /* Emit rtl for profiling. Output assembler code to FILE | |
| 83 | to call "_mcount" for profiling a function entry. */ | |
| 84 | #define PROFILE_HOOK(LABEL) \ | |
| 85 | { \ | |
| 86 | rtx fun; \ | |
| 87 | fun = gen_rtx_SYMBOL_REF (Pmode, "__mcount"); \ | |
| 88 | emit_library_call (fun, LCT_NORMAL, VOIDmode); \ | |
| 89 | } |