[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassemb
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly |
Date: |
Wed, 08 Jan 2014 14:51:19 +0000 |
User-agent: |
mu4e 0.9.9.6pre2; emacs 24.3.50.3 |
address@hidden writes:
> Am 07.01.2014 17:51, schrieb Peter Maydell:
>> Hi. This is a rebased and mildly cleaned up version of Claudio's
>> RFC patchset from last year to add libvixl to QEMU and use it
>> for A64 disassembly.
>>
>> NOTE NOTE NOTE
>> * we now link with g++, not gcc (even if the target doesn't
>> happen to need the A64 disassembler, since it's a bit hard
>> to tell whether there's a C++-source .o file in the link)
>> * I've tested Linux (including static link of linux-user) and
>> MacOS hosts, but not Windows
>> * if you have a visceral dislike of the idea of C++ in the
>> QEMU binary now would be a good time to say OMG WTF BBQ
>
> For w32, C++ (currently only aarch64 executables) means loading
> additional DLL files:
>
> text data bss dec hex filename
> 91453 1636 1012 94101 16f95
> /usr/lib/gcc/i686-w64-mingw32/4.6/libgcc_s_sjlj-1.dll
> 796376 29784 3744 829904 ca9d0
> /usr/lib/gcc/i686-w64-mingw32/4.6/libstdc++-6.dll
>
> They slightly increase the load time and the memory footprint (reducing
> the meory which is available for QEMU system emulation), but I think
> this can be neglected. The Windows installers will get larger of course,
> too.
>
> For Linux, QEMU will have new dependencies (libstdc++, maybe more) for
> the aarch64 executables. CC'ing Aurelien therefore.
Is there an argument for making this an optional component. It would be
useful to know how many users care about having access to the target
assembly. Certainly I'm only looking at it while developing TCG code.
Cheers,
--
Alex Bennée
QEMU/KVM Hacker for Linaro
- [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly, Peter Maydell, 2014/01/07
- [Qemu-devel] [PATCH 2/4] rules.mak: Link with C++ if we have a C++ compiler, Peter Maydell, 2014/01/07
- [Qemu-devel] [PATCH 1/4] rules.mak: Support .cc as a C++ source file suffix, Peter Maydell, 2014/01/07
- [Qemu-devel] [PATCH 4/4] disas: Implement disassembly output for A64, Peter Maydell, 2014/01/07
- [Qemu-devel] [PATCH 3/4] disas: add libvixl source code for AArch64 A64 disassembler, Peter Maydell, 2014/01/07
- Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly, Stefan Weil, 2014/01/07
- Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly, Stefan Weil, 2014/01/07
- Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly,
Alex Bennée <=
Re: [Qemu-devel] [PATCH 0/4] disas: add libvixl to support A64 disassembly, Peter Maydell, 2014/01/07