Contents

---

GNUPro warranty
How to contact Cygnus

Introduction

Tool naming conventions
Toolkit features

Processor version(s)
Targets Supported
Hosts Supported
Object file format

GNUPro on Windows NT

Windows environment settings
Case Sensitivity

Compiler

AM3x-specific command-line options
Preprocessor symbols
AM3x-specific Attributes

New compiler and linker features

Initialization prioritization
Selective linking

ABI Summary

Data type sizes and alignments
Register allocation
Register usage
Switches
The Stack Frame
Argument passing
Function Return Values

Assembler

AM3x-specific command-line options
Assembler directives
Syntax
Special characters
Register names
Addressing modes
Floating point
Opcodes
Synthetic Instructions
AM3x-specific Assembler Error Messages

Linker

AM3x-specific command-line options

Debugger

AM3x-specific command-line options
Debugging programs with multiple threads

Simulator

MN10300/AM31 simulation

Features

MN10300/AM31-specific command-line options

Using the simulator

Simulator exceptions within GDB

CygMon, the simulator, and thread-aware debugging

Installing and building CygMon

Installing CygMon Source

Building CygMon

CygMon command list

baud

break

disassemble

dump

go

help

load

memory

port

register

reset

step

terminal

transfer

unbreak

usage

version

CygMon command editing

Debugging CygMon