mirror of https://github.com/python/cpython
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/*
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** mac __start for python-with-shared-library.
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**
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** Partially stolen from MW Startup.c, which is
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** Copyright © 1993 metrowerks inc. All Rights Reserved.
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*/
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#include <setjmp.h>
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#ifdef PRE_CW8
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extern jmp_buf __program_exit; /* exit() does a longjmp() to here */
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extern void (*__atexit_hook)(void); /* atexit() sets this up if it is ever called */
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extern void (*___atexit_hook)(void); /* _atexit() sets this up if it is ever called */
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extern int __aborting; /* abort() sets this and longjmps to __program_exit */
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#endif
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/*
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* clear_stackframe_backlink - set 0(SP) to 0
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*
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*/
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static asm void clear_stackframe_backlink(void)
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{
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li r3,0
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stw r3,0(SP)
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blr
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}
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void __start(void)
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{
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char *argv = 0;
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#ifdef PRE_CW8
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if (setjmp(__program_exit) == 0) { // set up jmp_buf for exit()
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main(0, &argv); // call main(argc, argv)
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if (__atexit_hook)
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__atexit_hook(); // call atexit() procs
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}
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if (!__aborting) {
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if (___atexit_hook)
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___atexit_hook(); // call _atexit() procs
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}
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// ExitToShell();
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#else
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clear_stackframe_backlink();
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main(0, &argv);
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exit(0);
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#endif
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}
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