Imagecraft c compiler and development environment for the atmel avr

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ICCV8 for AVR – C Compiler for Atmel AVRImageCraft Debug FormatThe ImageCraft debug file (.dbg extension) is a proprietary ASCII format thatdescribes the debug information. The linker generates target “standard” debug formatdirectly in addition to this file. For example, the AVR compiler generates a COFFformat file that is compatible with AVR Studio, the HC12 compiler generates a P&Eformat map file, and the ARM compiler generates ELF/DWARF file.By documenting the ASCII debug interface, we hope that third-party debuggers maychoose to use this format. This document describes version 1.4 of the debug format.Basic File StructureThe debug file is in ASCII; each line is a separate command. The debug informationmirrors the structure of a mixed C and assembler project -- a debug file consists ofmultiple sections, and each section contains the debug information of a source file:......Scope RulesThere are 3 scopes where items can be declared: FILE scope, FUNCTION scope,and BLOCK scope. They correspond to the lexical scoping in C.Convention is an address and is always in hexadecimal. This can be either a code or dataaddress, depending on the context. is a line number and is always in decimal. is a valid C or assembly name, or a file or directory name. is a data type specifier. See Type Specifier below. is a decimal number.192
ICCV8 for AVR – C Compiler for Atmel AVRFunction Prologue and EpilogueFor each function, the compiler generates a prologue and an epilogue. The prologuecode includes the frame pointer setup, arguments and registers saving and local stackallocation. The code starting at the FUNC address (see below) and the first BLOCKaddress (non-inclusive) contains the prologue code.FUNC address
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Imagecraft c compiler and development environment for the atmel avr

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