 CARM User's Guide Discontinued | |
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CARM User's Guide
CARM Introduction Compiling Programs Language Extensions Preprocessor Advanced Programming Customization Files
Startup Code Basic I/O Memory Allocation Interfacing C to Assembler Function Parameters Function Return Values Using the SRC Directive Register Usage Example Routines ARM Code Example Thumb Code Example Data Storage Formats Byte Order Byte Alignment Integer Scalars 1-Byte Scalars 2-Byte Scalars 4-Byte Scalars 8-Byte Scalars float Scalars float Format float Errors double Scalars double Format double Errors Pointers Bit Fields Absolute Memory Access The __at Keyword Linker Location Controls Error Messages Library Reference AppendixUsing the SRC Directive
The CARM Compiler can create assembly source files that you can assemble with the AA ARM Assembler. These SRC files can help you determine the argument passing conventions between C and assembly.
To create an assembly source file, you must use the SRC directive with the CARM Compiler. For example:
#pragma SRC
unsigned int asmfunc1 (
unsigned int arg)
{
return (1 + arg);
}
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