Hi,

Please find attached the patch for readelf. This is developed to group
all the 
common symbols from different compilation unit if built in debug mode. 
Switch "--common-symb" or "-P" is added to readelf. The common symbol 
information is derived from .debug_info and symtab section.

It displays the following information about any common symbol: 
1. Name of Common symbol \
2. Basetype 
3. Base_size 
4. Size 
5. Elements (Number of elements if array or one) 
6. Value 

Following is the simple test case:
/***********************************************************************
*********/
//Test.c
int iVar;
int main()
{
return 0;
}
/*
$sh-elf-gcc -g Test.c
$sh-elf-readelf a.out --common-symb 
Output:
Common Symbols List:
Common symbol        Basetype 		Base_size 	Size
Elements  Value
iVar                 int                  4 		 4
1 	    2f24
*/
/***********************************************************************
*********/

Regards,
Prafulla Thakare
KPIT Cummins InfoSystems Ltd.
Pune, India

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