專業的端到端偵錯程式 

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• Single intuitive user interface for all software       layers, from bootloader to native application debug  
• Debugs code generated by ARMCC and GCC compilers  
• Professionally supported solution, bringing       reliability and responsiveness for software development  
• One license for all supported ARM application cores 

高階會話控制  & 系統檢視 

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• Control multiple simultaneous debug sessions, to one       or more targets, from a single debugger environment  
• Run and stop mode debugging seamlessly supported  
• Full system visibility: memory, CPU registers,       peripheral registers, frame buffer (screen), and more 

非侵入式的跟蹤分析   

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• Instruction (ETM) and instruction flow (PTM) tracing       with source code synchronization  
• Instruction and function views for trace log analysis  
• Up to 4 GB off-chip trace buffer with DSTREAM 

Linux 相關  

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• Linux kernel and user space context awareness,       including process and threads  
• Modules view, listing dynamically loaded modules and       shared libraries 

高效率特徵 

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• Automated workflow: connect, download, and run  
• GDB-like command line console and scripting       capabilities  
• Complete target file system explorer  
• Device database, and fast flash memory programming 

除錯會話配置

New  DS-5 Debugger connections are easily configured through a simple dialog  (shown below) where users can select their device/development board from a  database of supported platforms, define type of debug session (bare metal,  Linux application, or Linux kernel and drivers), load symbol files, set  target environment variables, and much more. Once saved, the session  configuration can be re-invoked at any time with a simple double-click,  saving developers precious time at every debug interaction.

除錯控制檢視

Managing debug connections, visualizing context and  controlling program execution is very easy with the Debug Control view. Debug  connections listed here and can be launched with just one click regardless of  connection type (e.g. JTAG, GDB). On the top bar, the run control commands  allow developers to execute the program with great flexibility.  When the execution is paused, deliberately or because of a breakpoint hit,  process, thread, and call stack information is immediately displayed.  Finally, the Debug Control view allows multiple simultaneous connections, to  one or more targets, and automatically refreshes all other debugger views  when the user focuses on a different connection.

Source Code &  Assembly Stepping

For  developers interested in low level debug or optimization, DS-5 Debugger  features a disassembly view that can automatically or manually decode ARM or  Thumb instructions. Fully synchronized with program execution, the  Disassembly view highlights all instructions matching the selected source  code line and can also be used to step through machine instructions, in  addition to source code level. From the Debug Control view, program execution  can be controlled through run, pause and step in/over/out icons.

Command Line Interface &  Scripting

Already  familiar with GDB's command line interface? Wish to automate further the  debug setup or reproduce recent steps that you cannot remember? DS-5 Debugger  implements its own GDB-like command line interface, extending the  functionality of GNU's tool and encompassing both JTAG/SWD and GDB  connections. DS-5 debugger command prompt can be accessed inside DS-5 IDE or  externally, via console, with the former featuring auto-completion and  tool-tip help for convenience (screen shot below). All debugger actions, CLI  or GUI driven, are displayed in the Commands view and logged in the History  view, allowing users to convert any sequence of commands into a script by  simply selecting the text, dragging and dropping it on the Scripts view.  Saved scripts can then be invoked at any time by the user or automatically  executed in the initialization or when a breakpoint is hit.

Breakpoints & Data  Watchpoints

Breakpoints and watchpoints have always been an important part  of software debug, but DS-5 Debugger has made them more powerful and easy to  use. Software and hardware breakpoints can be easily set from the source code  and are listed in the Breakpoints view, along with watchpoints. This view is  used to disable, enable, remove or configure breakpoints and watchpoints  properties to make sure the execution stops in the correct context. The  Breakpoint Properties dialog (shown on the right) allows developers to set  stop condition expressions, ignore count, run saved scripts and automatically  continue executing, or even stop on specific threads only. Similarly, data  watchpoints in DS-5 Debugger are very flexible and can be triggered when a  memory location is accessed in a particular way, when an expression evaluates  true, or when the ignore count is reached. Data watchpoints are set either  from the Variables view or Memory view.

非侵入式跟蹤

When  debugging software on many occasions the side effects of a bug is apparent  but its root cause is located much earlier in the program execution. ARM  CoreSight™ ETM and PTM, supported by DS-5 Debugger, provide non-intrusive  program trace that allow developers to review instructions (and the  associated source code) as they have occurred. It also offers developers the  ability to debug time-sensitive issues otherwise not picked up with intrusive  conventional stepping techniques. DS-5 Debugger currently uses DSTREAM to capture trace on the ETB. Support will be added  for the 4 GB off-chip trace buffer fitted in this debug & trace probe.

Flexible Trace Visualization

Trace  is a valuable tool for debugging and short-time performance analysis.  However, there is very little developers can do with only a long list of  executed machine instructions. In DS-5, great emphasis has been given to  present this data the way high-level language developers can easily make  sense of it, for example linking the instructions to the respective source  code, showing function-level trace analysis, or offering graphical trace visualizations.

Trace-Based Profiling

Based  on trace data DS-5 Debugger also generates timeline charts with information  to help developers to quickly understand how their software executes on the  target and which functions are using the CPU the most. Offering various zoom  levels, the timeline can display a heat map based on the number of  instructions per time unit or, at its highest resolution, provide per-instruction  visualization color-coded by the typical latency of each group of  instructions.

暫存器檢視

In DS-5 Debugger core, co-processor and peripheral registers  are all listed in the Registers view (screenshot). This hierarchical tree  view groups registers and bit fields in a logical manner, making it easy for  users to navigate its contents. All registers and fields are labelled and  validated according manufacturer's official documentation so that users do  not need to waste time searching for addresses, bit fields and acceptable  values on endless datasheets. Moreover, developers can, at any point, freeze  this view keeping all content unchanged for comparison with a later snapshot. 

儲存器, 變數 & 表示式 檢視

There  are many ways to view and modify memory contents using DS-5 Debugger. The  Memory view is a traditional linear visualization of a memory space. Very  useful for low level debugging, the view can be configured to display the  data in different formats (hexadecimal by default) and widths, accepts  expressions and symbols as start address and can be used to set data watchpoints at specific memory addresses. The  powerful Variables view provides a logical and contextual visualization of  content, type, size and address of all local and global variables. Just like  the Registers view, this one also highlights in yellow the  value of variables that have been modified in the previous step/run (screen  shot below). Finally, the Expressions view provides a quick way to evaluate  the value of regularly used expressions and variables.

螢幕檢視 & Semihosting

To make the life of those responsible for board bring-up / low  level debug easy, DS-5 features a screen buffer viewer and an I/O channel  through the debug agent. The Screen view brings to life on the host machine  the contents of the screen buffer, allowing developers to visualize the video  output without any hardware attached. Similarly, semihosting may be used to  as a standard I/O for console before other peripherals and their drivers are  up.

Context Awareness

DS-5 Debugger has full visibility of processor cores, OS  processes and threads, and call stack. The Debug Control view displays all  this information with an intuitive hierarchical layout, on a  per-debug-connection basis, making it extremely easy for developers to  identify the current context and switch between stack frames. Additionally,  DS-5 breakpoints are customized for Linux-based system debug, enabling  thread-specific conditional breakpoints and pending breakpoints in kernel  modules not yet inserted.

遠端系統管理

The Remote Systems view provides convenient and quick access  to services commonly used in Linux-based system development. Building on  secure shell connections (SSH), DS-5 embeds a remote file system explorer  where files and directories can be fully managed, directly edited and  transferred between host and target as easily as a simple drag-and-drop  operation. Also in the IDE, remote terminal views can be launched at any time  directly from the Remote Systems view.

模組檢視

The  Modules view is an OS-specific productivity tool to accelerate debugging  activities involving shared libraries and kernel modules. This data panel can  be used to visualize and manage shared libraries used by the application  being debugged and kernel modules installed since the debugger has been  connected. Furthermore, whenever it becomes important to investigate what  happens inside one or more of these libraries or modules, developers can  easily load their debug symbols using the Modules view.

無需除錯或跟蹤硬體即可執行系統範圍的分析

支援嵌入： 佔用的記憶體空間小、CPU 開銷低

基於時間的分析： 瞭解簡單分析背後的內容

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