| 1 | /* Some compiler optimizations may transform loops into memset/memmove |
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| 2 | calls and without proper declaration it may generate PLT calls. */ |
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| 3 | #if !defined __ASSEMBLER__ && IS_IN (libc) && defined SHARED \ |
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| 4 | && !defined LIBC_NONSHARED |
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| 5 | asm ("memmove = __GI_memmove" ); |
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| 6 | asm ("memset = __GI_memset" ); |
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| 7 | asm ("memcpy = __GI_memcpy" ); |
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| 8 | |
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| 9 | /* Some targets do not use __stack_chk_fail_local. In libc.so, |
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| 10 | redirect __stack_chk_fail to a hidden reference |
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| 11 | __stack_chk_fail_local, to avoid the PLT reference. |
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| 12 | __stack_chk_fail itself is a global symbol, exported from libc.so, |
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| 13 | and cannot be made hidden. */ |
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| 14 | |
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| 15 | # if IS_IN (libc) && defined SHARED \ |
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| 16 | && defined STACK_PROTECTOR_LEVEL && STACK_PROTECTOR_LEVEL > 0 |
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| 17 | asm (".hidden __stack_chk_fail_local\n" |
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| 18 | "__stack_chk_fail = __stack_chk_fail_local" ); |
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| 19 | # endif |
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| 20 | #endif |
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| 21 | |
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