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3a0ecccb59
Exporting functions and relying on symbol interposition from libc.so
makes the choice of implementation dependent on DT_NEEDED order, which
is not what some compiler drivers expect.
This commit replaces one magic mechanism (symbol interposition) with
another one (preprocessor-/compiler-based redirection). This makes
the hand-over from the minimal malloc to the full malloc more
explicit.
Removing the ABI symbols is backwards-compatible because libc.so is
always in scope, and the dynamic loader will find the malloc-related
symbols there since commit f0b2132b35248c1f4a80f62a2c38cddcc802aa8c
("ld.so: Support moving versioned symbols between sonames
[BZ #24741]").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
27 lines
555 B
Plaintext
27 lines
555 B
Plaintext
libc.so: _Q_add ?
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libc.so: _Q_cmp ?
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libc.so: _Q_div ?
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libc.so: _Q_feq ?
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libc.so: _Q_fge ?
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libc.so: _Q_fgt ?
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libc.so: _Q_fle ?
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libc.so: _Q_flt ?
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libc.so: _Q_fne ?
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libc.so: _Q_itoq ?
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libc.so: _Q_lltoq ?
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libc.so: _Q_mul ?
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libc.so: _Q_sub ?
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libc.so: _Q_qtod ?
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libc.so: _Unwind_Find_FDE
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libc.so: calloc
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libc.so: free
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libc.so: malloc
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libc.so: memalign
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libc.so: realloc
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libm.so: matherr
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# The TLS-enabled version of these functions is interposed from libc.so.
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ld.so: _dl_signal_error
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ld.so: _dl_catch_error
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ld.so: _dl_signal_exception
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ld.so: _dl_catch_exception
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