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X-Recipient: | djgpp AT delorie DOT com |
From: | "Gerrit van Niekerk" <gerritvn AT gpvno DOT co DOT za> |
Organization: | GPvNO |
To: | djgpp AT delorie DOT com |
Date: | Mon, 28 Jan 2008 09:49:32 +0200 |
MIME-Version: | 1.0 |
Subject: | GDB h/w support |
Message-ID: | <479DA52C.25447.F3E3005@gerritvn.gpvno.co.za> |
X-mailer: | Pegasus Mail for Windows (4.41) |
Reply-To: | djgpp AT delorie DOT com |
Can anybody tell me in what module the low level GDB hardware support for DJGPP is implemented? I am talking about writing and reading the i386 debug registers. I have searched both the GDB and the DJGPP source code and just can't find it. The reason I want to know, is to implement h/w watchpoint support in a DJGPP GDB stub. BTW: I found and fixed a number of problems in gdbst01 (which does not work at all on current GDB versions) and got it working nicely using a TCP/IP connection between the DJGPP target and a specially configured Cygwin GDB on WinXP. The DJGPP target uses a proprietary TCP/IP product (Datalight Sockets). I would like to make the modified stub available to the DJGPP community for serial port use or TCP/IP use for Datalight customers. Perhaps someone can port it to an open source TCP/IP implementation. Thoughts?
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