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Symbol table of a C program


 
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Top Forums Programming Symbol table of a C program
# 8  
Old 11-05-2009
Quote:
Originally Posted by MrUser
Hi,
is there any command to see symbol table info.
will it show where its allocating memory for varibales golbals & locals and code.(i mean the segments).
Try using nm or odump for that.
Quote:
Originally Posted by MrUser
i read there is a section called read only data segment and this is where initialized data such as strings stores.
If you use gdb to get the address of the string literal you will find that it is in the address range of the text segment which is readonly.
Quote:
Originally Posted by MrUser
i have wriiten the following program and its giving segmentation for strings but not others.

any idea whats the proper reason.

Code:
char *p="test";
int g=10;
int main()
{
g=20;// no segmentation
printf("%d",g);
getchar();
        *p='T';// generates segmentation
printf("%s",p);
return 0;
}



thanks in advnace
Smilie
A string literal cannot be modified since it is stored in the text segment which is shared and readonly.

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