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Overview
The PowerPC debugger, PPCBug, is a powerful evaluation and
debugging tool for systems built around Motorola PowerPC
microcomputers. Facilities are available for loading and executing
user programs under complete operator control for system
evaluation.
The PowerPC debugger provides a high degree of functionality and
user friendliness, and yet stresses portability and ease of
maintenance. It achieves good portability and comprehensibility
because it was written entirely in the C programming language,
except where necessary to use assembler functions.
PPCBug includes commands for display and modification of
memory, breakpoint and tracing capabilities, a powerful assembler
and disassembler useful for patching programs, and a ÔÔself-test at
power-upÕÕ feature which verifies the integrity of the main CPU board.
Various PPCBug routines that handle I/O, data conversion, and
string functions are available to user programs through the System
Call handler.
PPCBug consists of three parts:
When using PPCBug, you will operate out of either the debugger
directory or the diagnostic directory. The debugger prompt
(PPC1-Bug or PPC1-Diag) tells you the current directory.
A command-driven user-interactive software debugger. It is
hereafter referred to as Òthe debuggerÓ or ÒPPCBug.Ó
A set of command-driven diagnostics, which is hereafter
referred to as Òthe diagnostics.Ó
A user interface which accepts commands from the system
console terminal.
5PPCBug
5
5-1
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