Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/arc/linux.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* Target macros for arc*-*-linux targets. 1 /* Target macros for arc*-*-linux targets.
2 2
3 Copyright (C) 2017 Free Software Foundation, Inc. 3 Copyright (C) 2017-2018 Free Software Foundation, Inc.
4 4
5 This file is part of GCC. 5 This file is part of GCC.
6 6
7 GCC is free software; you can redistribute it and/or modify 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 8 it under the terms of the GNU General Public License as published by
27 { \ 27 { \
28 GNU_USER_TARGET_OS_CPP_BUILTINS (); \ 28 GNU_USER_TARGET_OS_CPP_BUILTINS (); \
29 } \ 29 } \
30 while (0) 30 while (0)
31 31
32 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" 32 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-arc.so.2"
33 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" 33 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
34 34
35 /* Note that the default is to link against dynamic libraries, if they are 35 /* Note that the default is to link against dynamic libraries, if they are
36 available. Override with -static. */ 36 available. Override with -static. */
37 #undef LINK_SPEC 37 #undef LINK_SPEC
59 #define LIB_SPEC \ 59 #define LIB_SPEC \
60 "%{pthread:-lpthread} \ 60 "%{pthread:-lpthread} \
61 %{shared:-lc} \ 61 %{shared:-lc} \
62 %{!shared:%{profile:-lc_p}%{!profile:-lc}}" 62 %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
63 63
64 #undef TARGET_ASM_FILE_END
64 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack 65 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
65 66
66 /* No SDATA default for linux. */ 67 /* No SDATA default for linux. */
67 #undef TARGET_SDATA_DEFAULT 68 #undef TARGET_SDATA_DEFAULT
68 #define TARGET_SDATA_DEFAULT 0 69 #define TARGET_SDATA_DEFAULT 0
89 #define TARGET_INDEXED_LOADS_DEFAULT 0 90 #define TARGET_INDEXED_LOADS_DEFAULT 0
90 91
91 /* Pre/post modify with register displacement are default off. */ 92 /* Pre/post modify with register displacement are default off. */
92 #undef TARGET_AUTO_MODIFY_REG_DEFAULT 93 #undef TARGET_AUTO_MODIFY_REG_DEFAULT
93 #define TARGET_AUTO_MODIFY_REG_DEFAULT 0 94 #define TARGET_AUTO_MODIFY_REG_DEFAULT 0
95
96 #if DEFAULT_LIBC == LIBC_GLIBC
97 /* Override linux.h LINK_EH_SPEC definition.
98 Signalize that because we have fde-glibc, we don't need all C shared libs
99 linked against -lgcc_s. */
100 #undef LINK_EH_SPEC
101 #define LINK_EH_SPEC "--eh-frame-hdr "
102 #endif
103
104 #undef SUBTARGET_CPP_SPEC
105 #define SUBTARGET_CPP_SPEC "\
106 %{pthread:-D_REENTRANT} \
107 "
108
109 /* Build attribute: procedure call standard. */
110 #undef ATTRIBUTE_PCS
111 #define ATTRIBUTE_PCS 3
112
113 /* Clear the instruction cache from `beg' to `end'. This makes an
114 inline system call to SYS_cacheflush. */
115 #undef CLEAR_INSN_CACHE
116 #define CLEAR_INSN_CACHE(beg, end) \
117 { \
118 register unsigned long _beg __asm ("r0") = (unsigned long) (beg); \
119 register unsigned long _end __asm ("r1") = (unsigned long) (end); \
120 register unsigned long _xtr __asm ("r2") = 0; \
121 register unsigned long _scno __asm ("r8") = 244; \
122 __asm __volatile ("trap_s 0 ; sys_cache_sync" \
123 : "=r" (_beg) \
124 : "0" (_beg), "r" (_end), "r" (_xtr), "r" (_scno)); \
125 }