Hi all I have to inline some arm instructions with c code.Can any one tell me how to pass the parameters from c code to assembly and take the output.I have a loop in the assembly code and the results are to be stored back to an array in the c code. Can any one suggest me any documents regarding this or any methods to do it. Regards keir
Assembler Instruction Set for ARM http://www.heyrick.co.uk/assembler/qfinder.html http://www.arm.com/pdfs/QRC0001H_rvct_v2.1_arm.pdf http://www.arm.com/pdfs/QRC0007_VFP.pdf ...
Stefan wrote: > Assembler Instruction Set for ARM > > http://www.heyrick.co.uk/assembler/qfinder.html > http://www.arm.com/pdfs/QRC0001H_rvct_v2.1_arm.pdf > http://www.arm.com/pdfs/QRC0007_VFP.pdf > ... hi all, Thanks for the details I have heard that assembly "*.s" file can be embedded in the c source file and the assembly routine can be called fromm the c source.Can u please send me the details of how to do that ie passing the parameters to assembly code and getting the outputs. kk
> I have heard that assembly "*.s" file can be embedded in the c source > file and the assembly routine can be called fromm the c source. Ask whoever told you this. I think this is not possible. You can create pure assembler source files (*.s files) You can create assembler source files that require CPP processing (*.S files). You can create c source files with inline assembler statements (see above and more ARM specific: http://www.ethernut.de/en/documents/arm-inline-asm.html). Each of them may compile to an object file. The linker forms a binary executable from these object files. So a mixture of object files from *.s, *.S and *.c is possible. More infos about stack layout and calling conventions: http://www.cs.umbc.edu/~chang/cs313.s02/stack.shtml
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