On Nov 14, 2010, at 7:18 AM, terry wrote: > 在 2010-11-13六的 10:24 -0600，Kumar Gala写道： >> On Nov 12, 2010, at 9:43 PM, terry wrote: >> >>>>> >>>>> by the way,I cann't find the prototype of malloc in the whole project,it >>>>> seems that it is encapsulated in some libs. >>>> >>>> It's in common/malloc.c. There's weird preprocessor renaming going on, >>>> so it's called mALLOc in that file, but it shows up as malloc in the >>>> binary. >>> Thanks very much for your carefully instruction. >>> >>>> >>>> -Scott >>>> >>> >> >> I haven't been following this thread, but just debugging a malloc/nand >> "corruption" issue myself. I'm going to start a new thread on the subject >> since its more related to malloc. However can you try the following and see >> what happens: >> >> diff --git a/include/malloc.h b/include/malloc.h > > I'm sorry, but I cann't understand you clearly. what do you mean by > writting this? compare two different versions? if so, which two version? > >> index 3e145ad..19f0f0b 100644 >> --- a/include/malloc.h >> +++ b/include/malloc.h >> @@ -850,7 +850,7 @@ extern Void_t* sbrk(); >> #endif >> >> #ifndef MORECORE_CLEARS >> -#define MORECORE_CLEARS 1 >> +#define MORECORE_CLEARS 0 >> #endif >> >> #endif /* INTERNAL_LINUX_C_LIB */ > I read the malloc.h file in u-boot-2010.09. it's content like below: > #ifdef INTERNAL_LINUX_C_LIB > 819 > 820 #if __STD_C > 821 > 822 Void_t * __default_morecore_init (ptrdiff_t); > 823 Void_t *(*__morecore)(ptrdiff_t) = __default_morecore_init; > 824 > 825 #else > 826 > 827 Void_t * __default_morecore_init (); > 828 Void_t *(*__morecore)() = __default_morecore_init; > 829 > 830 #endif /* __STD_C */ > 831 > 832 #define MORECORE (*__morecore) > 833 #define MORECORE_FAILURE 0 > 834 #define MORECORE_CLEARS 1 > > #else /* INTERNAL_LINUX_C_LIB */ > 837 > 838 #if __STD_C > 839 extern Void_t* sbrk(ptrdiff_t); > 840 #else > 841 extern Void_t* sbrk(); > 842 #endif > 843 > 844 #ifndef MORECORE > 845 #define MORECORE sbrk > 846 #endif > 847 > 848 #ifndef MORECORE_FAILURE > 849 #define MORECORE_FAILURE -1 > 850 #endif > 851 > 852 #ifndef MORECORE_CLEARS > 853 #define MORECORE_CLEARS 1 > 854 #endif > 855 > 856 #endif /* INTERNAL_LINUX_C_LIB */ > Do you mean that I should change MORECORE_CLEARS from 1 to 0?
Yes, I was asking you to modify include/malloc.h to change MORECORE_CLEARS from 1 to 0 and see if that helps your issue. You need to modify the one on lines 853. - k _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
