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Altera_Forum
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19 years ago

How to declare linker symbol in C files

Dear all, As we known, the generated automatically linker script defined many symbols for use. For example: __bss_start. We can use these symbols in source files, for example, in *.S ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

David,

This works for me.

// declare the external.

extern unsigned char *__bss_start;

// somewhere in a function.

printf("%u\n",(unsigned int)&__bss_start);

The print shows my correct start of bss.

Maybe you are trying to access the 'content of' rather than 'address of'.

Banx.