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From: Richard Henderson <richard.henderson@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [PATCH v1 6/6] tests/i386/test-i386: try and correct constrain 16 bit call (WIP)
Date: Tue, 30 Mar 2021 08:58:26 -0700	[thread overview]
Message-ID: <a71640f7-a864-1214-52d7-e6dab4677dd8@linaro.org> (raw)
In-Reply-To: <20210329110303.15235-7-alex.bennee@linaro.org>

On 3/29/21 5:03 AM, Alex Bennée wrote:
> Newer compilers complain about non-matching constraints:
> 
>    test-i386.c:1393:5: error: asm operand 2 probably doesn’t match constraints [-Werror]
>     1393 |     asm volatile ("lcall %1, %2"
>          |     ^~~

The problem is that the newer compiler is defaulting to -fpie, so &code16_func1 
is not a constant.

Need to add -fno-pie to compile this.  Which of course adds the confusion of 
old compilers that don't support that.  We have CFLAGS_NOPIE in configure, but 
that doesn't directly help cross-compile.


r~


  reply	other threads:[~2021-03-30 16:03 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-29 11:02 [PATCH for 6.0-rc2? v1 0/6] check-tcg for non-x86 hosts Alex Bennée
2021-03-29 11:02 ` [PATCH v1 1/6] tests/tcg: update the defaults for x86 compilers Alex Bennée
2021-03-30 15:24   ` Richard Henderson
2021-03-29 11:02 ` [PATCH v1 2/6] tests/docker: don't set DOCKER_REGISTRY on non-x86_64 Alex Bennée
2021-03-29 11:36   ` Thomas Huth
2021-03-29 14:37   ` Willian Rampazzo
2021-03-30 15:24   ` Richard Henderson
2021-03-31 12:32   ` Philippe Mathieu-Daudé
2021-03-31 14:57     ` Alex Bennée
2021-03-29 11:03 ` [PATCH v1 3/6] tests/tcg: add concept of container_hosts Alex Bennée
2021-03-29 11:03 ` [PATCH v1 4/6] tests/tcg/configure.sh: make sure we pick up x86_64 cross compilers Alex Bennée
2021-03-29 11:03 ` [PATCH v1 5/6] tests/tcg/i386: expand .data sections for system tests Alex Bennée
2021-03-29 11:39   ` Thomas Huth
2021-03-30 15:27   ` Richard Henderson
2021-03-29 11:03 ` [PATCH v1 6/6] tests/i386/test-i386: try and correct constrain 16 bit call (WIP) Alex Bennée
2021-03-30 15:58   ` Richard Henderson [this message]
2021-03-30 18:20     ` Alex Bennée
2021-03-30 20:25       ` Richard Henderson
2021-03-30 20:46         ` Peter Maydell
2021-03-30 21:18           ` Richard Henderson
2021-03-29 11:12 ` [PATCH for 6.0-rc2? v1 0/6] check-tcg for non-x86 hosts no-reply

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