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From: | sandmann AT clio DOT rice DOT edu (Charles Sandmann) |
Message-Id: | <9912302004.AA15575@clio.rice.edu> |
Subject: | Re: GDB, DOS 6.22, CWSDPMI and Interrupts |
To: | salvador AT inti DOT gov DOT ar |
Date: | Thu, 30 Dec 1999 14:04:23 -0600 (CST) |
Cc: | eliz AT is DOT elta DOT co DOT il, djgpp-workers AT delorie DOT com |
In-Reply-To: | <386BB485.CF8B011@inti.gov.ar> from "salvador" at Dec 30, 99 04:37:41 pm |
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Reply-To: | djgpp-workers AT delorie DOT com |
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> I don't know anything about the dbgcom.c code, so perhaps that's imposible: What > about saving the state of the interrupts flag at the beginning of the hook and > restoring it before IRET? is that posible? That is what the original intent of some of that code is - to have the IRET instruction restore the state. Since CWSDPMI should be able to restore the flag since it's at IOPL=3, maybe it's a CWSDPMI bug, maybe a logic bug in dbgcom.c.
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