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Avoid spurious calls to foreign constructors/destructors in case the

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shared library we link with does not have any of its own.
Note: this only works for a.out(5).
This commit is contained in:
pk 1997-12-29 15:36:50 +00:00
parent 93def66878
commit 49c810b2c8
1 changed files with 13 additions and 1 deletions
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14
lib/csu/c++/c++rt0.c
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@ -1,4 +1,4 @@
/* $NetBSD: c++rt0.c,v 1.5 1996/10/18 05:36:49 thorpej Exp $ */
/* $NetBSD: c++rt0.c,v 1.6 1997/12/29 15:36:50 pk Exp $ */
/*
* Copyright (c) 1993 Paul Kranenburg
@ -40,6 +40,18 @@
*/
#include <stdlib.h>
/*
* We make the __{C,D}TOR_LIST__ symbols appear as type `SETD' and
* include a dummy local function in the set. This keeps references
* to these symbols local to the shared object this module is linked to.
*/
static void dummy __P((void)) { return; }
/* Note: this is "a.out" dependent. */
__asm(".stabs \"___CTOR_LIST__\",22,0,0,_dummy");
__asm(".stabs \"___DTOR_LIST__\",22,0,0,_dummy");
void (*__CTOR_LIST__[0]) __P((void));
void (*__DTOR_LIST__[0]) __P((void));