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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Jan Kiszka <jan.kiszka@web.de>
Subject: Re: [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically
Date: Tue, 18 Nov 2008 22:46:54 +0000	[thread overview]
Message-ID: <200811182246.54653.paul@codesourcery.com> (raw)
In-Reply-To: <492343C2.8080604@web.de>

> The best approach, definitely, would be to teach GDB how to switch the
> disassembler mode depending on the thread's (or VCPUs) state. But so
> there is neither a mechanism in GDB for this, nor is GDB even aware of
> the x86 modes (no tracking of privileged registers). We have some
> preliminary patches for this, but they are still far away from GDB
> mainline.

I'm pretty sure all the infrastructure is there. gdb is able to natively debug 
32-bit binaries on a 64-bit host and is able to switch disassembler modes for 
ARM vs. Thumb.

Paul

  reply	other threads:[~2008-11-18 22:47 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-17 16:18 [Qemu-devel] [PATCH v5 00/18] Enhance debugging support Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 02/18] Refactor translation block CPU state handling Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 04/18] Refactor and enhance break/watchpoint API Jan Kiszka
2008-11-18 19:59   ` Anthony Liguori
2008-11-18 22:24     ` [Qemu-devel] " Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 03/18] gdbstub: Return appropriate watch message to gdb Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 07/18] Restore pc on watchpoint hits Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 01/18] Convert CPU_PC_FROM_TB to static inline Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 06/18] Respect length of watchpoints Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 05/18] Set mem_io_vaddr on io_read Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 15/18] gdbstub: Add vCont support Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 13/18] x86: Debug register emulation Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 09/18] gdbstub: manage CPUs as threads Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 17/18] gdbstub: x86: Support for setting segment registers Jan Kiszka
2008-11-18 21:19   ` Anthony Liguori
2008-11-18 23:15     ` [Qemu-devel] " Jan Kiszka
2008-11-19 14:24       ` Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 10/18] Introduce BP_WATCHPOINT_HIT flag Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 12/18] Introduce BP_CPU as a breakpoint type Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 08/18] Remove premature memop TB terminations Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically Jan Kiszka
2008-11-18 21:21   ` Anthony Liguori
2008-11-18 21:33   ` Anthony Liguori
2008-11-18 21:45     ` Anthony Liguori
2008-11-18 22:37       ` [Qemu-devel] " Jan Kiszka
2008-11-18 22:46         ` Paul Brook [this message]
2008-11-18 23:07           ` Jan Kiszka
2008-11-18 23:23             ` Paul Brook
2008-11-18 23:38               ` Jan Kiszka
2008-11-19  0:06                 ` Paul Brook
2008-11-19  9:38                   ` Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 14/18] x86: Dump debug registers Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 16/18] gdbstub: x86: Refactor register access Jan Kiszka
2008-11-18 21:15   ` Anthony Liguori
2008-11-18 23:12     ` [Qemu-devel] " Jan Kiszka
2008-11-17 16:18 ` [Qemu-devel] [PATCH v5 11/18] Add debug exception hook Jan Kiszka
2008-11-18 21:26 ` [Qemu-devel] [PATCH v5 00/18] Enhance debugging support Anthony Liguori

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