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RealView Assembler User's Guide
Preface Introduction Writing ARM Assembly Language Assembler Reference Command syntax
Obtaining a list of available options Specifying command‑line options with an environm AAPCS Floating‑point model Memory access attributes Pre‑executing a SET directive Splitting long LDMs and STMs Listing output to a file Project template options Controlling the output of diagnostic messages Controlling exception table generation Format of source lines Predefined register and coprocessor names Predeclared register names Predeclared extension register names Predeclared coprocessor names Built‑in variables and constants Symbols Symbol naming rules Variables Numeric constants Assembly time substitution of variables Labels Local labels Expressions, literals, and operators String expressions String literals Numeric expressions Numeric literals Floating‑point literals Register‑relative and program‑relative express Logical expressions Logical literals Operator precedence Unary operators Binary operators Diagnostic messages Interlocks IT block generation Thumb branch target alignment Using the C preprocessor ARM and Thumb Instructions Directives ReferenceAAPCS
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| Home > Assembler Reference > Command syntax > AAPCS | |||
The Procedure Call Standard for the ARM Architecture (AAPCS) forms part of the Application Binary Interface (ABI) for the ARM Architecture (base standard) [BSABI] specification. By writing code that adheres to the AAPCS, you can ensure that separately compiled and assembled modules can work together.
The ‑‑apcs option specifies whether you are using the AAPCS. It can also specify some attributes of code sections.
For more information, see the Procedure Call Standard for the ARM Architecture specification, aapcs.pdf, on the ARM website for more information.
Note
AAPCS qualifiers do not affect the code produced by the assembler. They are an assertion by the programmer that the code in inputfile
Values for qualifier
noneSpecifies that
inputfilenone./ropiSpecifies that the content of
inputfile/noropiSpecifies that the content of
inputfile/picIs a synonym for
/ropi./nopicIs a synonym for
/noropi./rwpiSpecifies that the content of
inputfile/norwpiSpecifies that the content of
inputfile/pidIs a synonym for
/rwpi./nopidIs a synonym for
/norwpi.
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