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Linux kernel-aware debugging comes to SuperH

Sep 4, 2003 — by LinuxDevices Staff — from the LinuxDevices Archive — views

CodeScape announced the addition of support for Linux kernel and Linux application debugging to its graphical development framework and debugger toolset for SuperH SH-3 and SH-4 processors. The Windows-hosted version of the CodeScope 5 Professional graphical development framework and debugger is shipping now, and the Linux version is expected in Sep., 2003, the company said.

According to CodeScape, the toolset automatically downloads applications to the remote RAM disk, starts execution of the application, and then enables full source-level tracing and breakpointing. Applications execute as normal with full virtual memory support, according to CodeScape, and independent debugging of the individual threads is possible. System calls are logged and application activity can be monitored by trapping Linux signals.

The debugger taps into the SuperH processor's high-speed on-chip debug interface via JTAG, the company said. Output from kernel boot and from applications (including command shells) can be redirected to a built-in a VT100 compatible console window.

According to CodeScape, version 5 Professional streamlines the process of getting a Linux kernel running on new hardware by remotely initializing the target hardware (ROMless boot), rapidly downloading the kernel at up to 1Mbyte/s, and then enabling source-level debugging of the kernel itself.

The SuperH 32-bit and 64-bit RISC-based processor cores target digital consumer products such as set-top boxes, digital cameras, games platforms, factory automation systems and car information systems, the company said.

“Linux is a key technology for licensees of SuperH cores, and Codescape's end-to-end Linux solution delivers exactly the type of environment they need,” commented Jon Frosdick, Director of Software at SuperH, Inc.


 
This article was originally published on LinuxDevices.com and has been donated to the open source community by QuinStreet Inc. Please visit LinuxToday.com for up-to-date news and articles about Linux and open source.



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