On Wed, 2006-06-28 at 10:45 -0400, Ioannis E. Venetis wrote: > Hello Ian, > > Thanks for answering this. I need to access the address of the label > within the assembly code that I write. This means that I will have to > check again the documentation of this architecture. I hope that I will > find something. > > Best regards, > > Ioannis > > > > > If you have a label in assembly code, and you want to use it in > > assembly code, then you need to write whatever is appropriate for your > > assembly language (e.g., "mov #MyLabel,r0"). That is not really a > > compiler issue. > > > > If you have a label in assembly code, and you want to use it in C code > > (e.g., by doing "goto MyLabel;"), then, sorry, you can't do that. > > > > Ian To obtain the label address could be somthing like "mov #MyLabel, %<n>" or "mov $MyLabel, %<n>" with <n> the output parameter number where you get the result like : "=g" (MyLabelAddressVar). To call a label from C code can be done using goto *MyLabelAddressVar I think that is a C Extension feature of gcc... You cold also pass the value to another assembler block to do the trick, but that would be architectural dependent some way... "jmp *%0" : : "r" (MyLabelAddressVar) David.
