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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 f0b2132b35
("ld.so: Support moving versioned symbols between sonames
[BZ #24741]").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
6 lines
143 B
Plaintext
6 lines
143 B
Plaintext
GLIBC_2.2 __libc_stack_end D 0x4
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GLIBC_2.2 _dl_mcount F
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GLIBC_2.2 _r_debug D 0x14
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GLIBC_2.3 __tls_get_addr F
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GLIBC_2.4 __stack_chk_guard D 0x4
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