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malloc: Remove malloc_get_state, malloc_set_state [BZ #19473]

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After the removal of __malloc_initialize_hook, newly compiled
Emacs binaries are no longer able to use these interfaces.
malloc_get_state is only used during the Emacs build process,
so we provide a stub implementation only.  Existing Emacs binaries
will not call this stub function, but still reference the symbol.

The rewritten tst-mallocstate test constructs a dumped heap
which should approximates what existing Emacs binaries pass
to glibc malloc.
This commit is contained in:
Florian Weimer
2016-10-26 13:28:28 +02:00
parent 261e6758e7
commit e863cce57b
7 changed files with 512 additions and 108 deletions
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malloc/malloc.c
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@ -5202,8 +5202,6 @@ strong_alias (__libc_mallopt, __mallopt) weak_alias (__libc_mallopt, mallopt)
weak_alias (__malloc_stats, malloc_stats)
weak_alias (__malloc_usable_size, malloc_usable_size)
weak_alias (__malloc_trim, malloc_trim)
weak_alias (__malloc_get_state, malloc_get_state)
weak_alias (__malloc_set_state, malloc_set_state)
/* ------------------------------------------------------------