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comparison packages/kernel/current/src/debug/dbg_gdb.cxx @ 30:641b639be825 ecos-sw-1999-08-16

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Merge from eCos master repository on 1999-08-16-22:01:37-BST
author jlarmour
date Mon, 16 Aug 1999 22:10:49 +0000
parents 01ce82f3e11a
children c38311975d4f
comparison
equal deleted inserted replaced
29:093762bd6ba9 30:641b639be825
97 97
98 //-------------------------------------------------------------------------- 98 //--------------------------------------------------------------------------
99 99
100 static void dbg_make_threadref(Cyg_Thread *thread, threadref *ref ) 100 static void dbg_make_threadref(Cyg_Thread *thread, threadref *ref )
101 { 101 {
102 if( thread == NULL ) 102 // The following test tries to avoid accessing uninitialized pointers.
103 // This can happen if we take a breakpoint before the data is copied
104 // or the BSS zeroed. We currently assume that RAM will reset to zero
105 // or 0xff. If it is random, we have no hope.
106
107 if( (CYG_ADDRWORD)thread == 0 || (CYG_ADDRWORD)thread == 0xffffffff )
103 { 108 {
104 ((unsigned long *)ref)[0] = 0; 109 ((unsigned long *)ref)[0] = 0;
105 ((unsigned long *)ref)[1] = 0; 110 ((unsigned long *)ref)[1] = 0;
106 } 111 }
107 else 112 else