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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>
19 lines
451 B
C
19 lines
451 B
C
#ifndef _MALLOC_H
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#include <malloc/malloc.h>
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# ifndef _ISOMAC
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# include <rtld-malloc.h>
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/* In the GNU libc we rename the global variable
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`__malloc_initialized' to `__libc_malloc_initialized'. */
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#define __malloc_initialized __libc_malloc_initialized
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/* Nonzero if the malloc is already initialized. */
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extern int __malloc_initialized attribute_hidden;
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struct malloc_state;
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typedef struct malloc_state *mstate;
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# endif /* !_ISOMAC */
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#endif
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