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Technical Support
On-Line Manuals
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
Appendix
CARM User's Guide
Discontinued
Advanced Programming
This section describes advanced programming information that experienced software engineers will find invaluable. Knowledge of most of these topics is not necessary to successfully create an embedded ARM target program using the CARM Compiler. However, the following sections provide insight into how many non-standard procedures can be accomplished.
This section discusses the following topics:
- Files you may alter to customize the startup procedures.
- Files you may alter to customize run-time execution of several library routines.
- The conventions the CARM Compiler uses to name code and data segments.
- How to interface C functions to assembly routines.
- Data storage formats for different C data types.
- Different optimizing features of the CARM Optimizing Compiler.
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