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~
next prev parent 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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