143 lines
2.4 KiB
C
143 lines
2.4 KiB
C
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/*
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* $Log$
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* Revision 1.2 1996/09/16 21:56:03 jhill
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* added several compiler support functions and updated to gcc 2.7.2
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*
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* Revision 1.1 1996/01/29 17:05:58 jbk
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* Added the simple program to allow loading of C++ object modules.
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*
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* Revision 1.1.1.1 1994/12/12 16:07:06 hideos
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* Version 2 of hideos.
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*
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*/
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/*
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Author: Jim Kowalkowski
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Date: 6/94
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*/
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#include <vxWorks.h>
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#include <vme.h>
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#include <stdio.h>
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#include <symLib.h>
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#include <ioLib.h>
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#include <sysSymTbl.h>
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#include <sysLib.h>
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#include <moduleLib.h>
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#include <usrLib.h>
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#include <a_out.h>
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#include <taskLib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void cpp_main(void);
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MODULE_ID ldpp (int syms, BOOL noAbort, char *name);
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void* __builtin_new(size_t);
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void* __builtin_vec_new(size_t);
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void __builtin_delete (void *);
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void __builtin_vec_delete(void *);
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void __pure_virtual(void);
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#ifdef __cplusplus
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}
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#endif
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typedef void (*func_ptr) (void);
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/* ------------------------------------------------------------------ */
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/*
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C++ loader for vxWorks, it runs constructors and such
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*/
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/* ------------------------------------------------------------------ */
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MODULE_ID ldpp (int syms, BOOL noAbort, char *name)
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{
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MODULE_ID ret;
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ret = ld(syms,noAbort,name);
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if(ret) cpp_main();
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return ret;
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}
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void cpp_main(void)
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{
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SYM_TYPE stype;
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func_ptr *ctorlist;
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if( symFindByNameEPICS(sysSymTbl,"___CTOR_LIST__",
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(char**)&ctorlist, &stype)==OK)
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{
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/*
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* this code was copied from gbl-ctors.h
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* DO_GLOBAL_CTORS_BODY
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*/
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unsigned long nptrs = (unsigned long) ctorlist[0];
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unsigned i;
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if (nptrs == (unsigned long) -1) {
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for (nptrs = 0; ctorlist[nptrs + 1] != 0; nptrs++);
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}
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for (i = nptrs; i >= 1; i--) {
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ctorlist[i] ();
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}
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/*
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* remove the symbol so that this code isnt run again
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*/
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if(symRemove(sysSymTbl,"___CTOR_LIST__",stype)!=OK)
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{
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printf("ctor list just diappeared! - that sucks.\n");
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}
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}
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return;
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}
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void* __builtin_new(size_t sz)
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{
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void* p;
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if(sz==0u) sz=1u;
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p=(void*)malloc(sz);
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return p;
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}
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void __builtin_delete (void *ptr)
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{
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if(ptr) free(ptr);
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}
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/*
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* __pure_virtual()
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* joh - 9-5-96
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*/
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void __pure_virtual(void)
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{
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printf("A pure virtual function was called\n");
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taskSuspend(taskIdSelf());
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}
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/*
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* __builtin_vec_delete()
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* joh - 9-5-96
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*/
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void __builtin_vec_delete(void *ptr)
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{
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__builtin_delete(ptr);
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}
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/*
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* __builtin_vec_new()
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* joh - 9-5-96
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*/
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void* __builtin_vec_new(size_t sz)
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{
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return __builtin_new (sz);
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}
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