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Altera_Forum
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20 years ago

How to get current heap pointer?

My project need to read current heap pointer, but I don't know how to implement it. In NiosII IDE, Variables Window, you can add a global variables for watching, and I find heap_end which is...
Altera_Forum's avatar
Altera_Forum
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20 years ago

Hi David_Cai,

maybe heap_end is declared in the linker script?

If you want to use symbols declared by the assembler or linker you can add an 'extern' declaration to your c code: e.g. 

extern int heap_end;

Hope that helps,

Wolfgang