From: Wei Liu <wei.liu2@citrix.com>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Wei Liu <wei.liu2@citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
Jan Beulich <jbeulich@suse.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v3 5/5] x86: remove usage of .skip with non-absolute expressions
Date: Mon, 29 Jan 2018 12:43:10 +0000 [thread overview]
Message-ID: <20180129124310.whaq7z37t7kvlsxg@citrix.com> (raw)
In-Reply-To: <20180129122643.13008-6-roger.pau@citrix.com>
On Mon, Jan 29, 2018 at 12:26:43PM +0000, Roger Pau Monne wrote:
> Clang assembler doesn't support using .skip with non-absolute
> expressions:
>
But so is GNU as. From its manual for .skip:
"This directive emits size bytes, each of value fill. Both size and fill
are absolute expressions."
> entry.S:109:15: error: expected absolute expression
> .skip .Lcr4_alt_end - .Lcr4_alt, 0x90
> ^
>
OOI what makes .Lcr4_alt_end - .Lcr4_alt non-absolute?
Wei.
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next prev parent reply other threads:[~2018-01-29 12:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 12:26 [PATCH v3 0/5] clang fixes Roger Pau Monne
2018-01-29 12:26 ` [PATCH v3 1/5] build: filter out command line assembler arguments Roger Pau Monne
2018-01-29 14:12 ` Ian Jackson
2018-01-29 12:26 ` [PATCH v3 2/5] x86/clang: fix build with indirect thunks Roger Pau Monne
2018-01-29 16:42 ` Jan Beulich
2018-01-29 12:26 ` [PATCH v3 3/5] x86: fix indirect thunk usage of CONFIG_INDIRECT_THUNK Roger Pau Monne
2018-01-29 16:45 ` Jan Beulich
2018-01-29 17:00 ` Roger Pau Monné
2018-01-29 12:26 ` [PATCH v3 4/5] x86: move declaration of the exception_table to C Roger Pau Monne
2018-01-29 16:46 ` Jan Beulich
2018-01-29 12:26 ` [PATCH v3 5/5] x86: remove usage of .skip with non-absolute expressions Roger Pau Monne
2018-01-29 12:43 ` Wei Liu [this message]
2018-01-29 12:53 ` Roger Pau Monné
2018-01-29 13:02 ` Jan Beulich
2018-01-29 13:05 ` Andrew Cooper
2018-01-29 13:39 ` Jan Beulich
2018-01-29 16:50 ` Jan Beulich
2018-01-29 18:22 ` Andrew Cooper
2018-01-30 9:23 ` Roger Pau Monné
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