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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14876 87f5fb63-7c3d-0410-a384-fd976d0f7a62
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* $Id: crtbegin.c,v 1.7 2005-03-10 13:28:05 obarthel Exp $
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*
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* :ts=4
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*
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* Handles global constructors and destructors for the OS4 GCC build.
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*/
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#if defined(__amigaos4__)
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/****************************************************************************/
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#include <exec/types.h>
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/****************************************************************************/
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#include <stdlib.h>
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#include <setjmp.h>
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/****************************************************************************/
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/*
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* Dummy constructor and destructor array. The linker script will put these at the
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* very beginning of section ".ctors" and ".dtors". crtend.o contains a similar entry
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* with a NULL pointer entry and is put at the end of the sections. This way, the init
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* code can find the global constructor/destructor pointers
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*/
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static void (*__CTOR_LIST__[1]) (void) __attribute__(( used, section(".ctors"), aligned(sizeof(void (*)(void))) ));
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static void (*__DTOR_LIST__[1]) (void) __attribute__(( used, section(".dtors"), aligned(sizeof(void (*)(void))) ));
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/****************************************************************************/
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void
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_init(void)
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{
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int num_ctors;
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int i;
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num_ctors = 0;
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for(i = 1 ; __CTOR_LIST__[i] != NULL ; i++)
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num_ctors++;
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for(i = 0 ; i < num_ctors ; i++)
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__CTOR_LIST__[num_ctors - i]();
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}
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/****************************************************************************/
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void
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_fini(void)
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{
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extern jmp_buf __exit_jmp_buf;
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int num_dtors,j;
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static int i;
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/* If one of the destructors drops into
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exit(), processing will continue with
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the next following destructor. */
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(void)setjmp(__exit_jmp_buf);
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for(j = 0, num_dtors = 0 ; __DTOR_LIST__[j] != NULL ; j++)
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num_dtors++;
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while(i++ < num_dtors)
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__DTOR_LIST__[i]();
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}
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/****************************************************************************/
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#endif /*__amigaos4__ */
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