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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We are already including -D__STDC_LIMIT_MACROS in the global CXXFLAGS,
so it makes sense to do the same for -D__STDC_CONSTANT_MACROS and
-D__STDC_FORMAT_MACROS instead of limiting that to libvixl.
The -Wno-sign-compare option can also be removed since GCC 4.6 is not
supported anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There was no possibility to add specific cxx flags using the configure
file. So A new entrance has been created to support it.
Duplication of information in configure and rules.mak. Taking
QEMU_CFLAGS and add them to QEMU_CXXFLAGS, now the value of
QEMU_CXXFLAGS is stored in config-host.mak, so there is no need for
it.
The makefile for libvixl was adding flags for QEMU_CXXFLAGS in
QEMU_CFLAGS because of the addition in rules.mak. That was removed, so
adding them where it should be.
Signed-off-by: Bruno Dominguez <bru.dominguez@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1496754467-20893-1-git-send-email-bru.dominguez@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Ensure that C99 macros are defined regardless of the inclusion order of
headers in vixl. This is required at least on NetBSD.
The vixl/globals.h headers defines __STDC_CONSTANT_MACROS and must be
included before other system headers.
This file defines unconditionally the following macros, without altering
the original sources:
- __STDC_CONSTANT_MACROS
- __STDC_LIMIT_MACROS
- __STDC_FORMAT_MACROS
Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170514051820.15985-1-n54@gmx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Commit 8acc216b956 attempted to silence some sign-compare
warnings in libvixl by adding -Wno-sign-compare to the CFLAGS
for the relevant objects. Unfortunately it was ineffective
because it was placed before $(QEMU_CFLAGS), so the -Wall in
the general flags overrode -Wno-sign-compare rather than
vice-versa. Reorder the flags so the warning suppression works.
Thanks to Franz-Josef Haider <Franz-Josef.Haider@student.uibk.ac.at>
for pointing out what was wrong with the original patch.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1452783202-576-1-git-send-email-peter.maydell@linaro.org
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The VIXL code includes some equality comparisons between signed
and unsigned types. Modern gcc and clang do not complain about
these, but older versions of gcc such as gcc 4.6.3 do. Since
libvixl is an upstream library, the simplest approach is to
suppress the warnings by applying -Wno-sign-compare to the
relevant files.
(GCC 4.6 is not quite yet irrelevant for us; it is the gcc
shipped with Ubuntu Precise, for example, which is an LTS
release not yet out of its support period.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1452604204-27202-1-git-send-email-peter.maydell@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
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Update our copy of libvixl to upstream's 1.12 release.
The major benefit from QEMU's point of view is that some instructions
previously disassembled as "unimplemented (System)" are now displayed
as something more useful. It also fixes some warnings about format
strings that newer w64-mingw32 compilers were emitting.
We didn't have any local changes to libvixl so nothing needed
to be forward-ported.
Although this is a large commit (due to upstream renaming most
of the files), only a few of the files changed in this commit
are not just straight copies of upstream libvixl files:
disas/arm-a64.cc
disas/libvixl/Makefile.objs
disas/libvixl/README
Note that this commit introduces some signed-unsigned comparison
warnings on the old mingw compilers. Those compilers have broken
TLS support anyway so have only ever been much use for compile tests;
anybody still using them should add -Wno-sign-compare to their
--extra-cflags.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Currently the Makefile of disas/libvixl appends
-I$(SRC_PATH)/disas/libvixl to QEMU_CFLAGS. As a consequence C++ files
that #include "utils.h", such as disas/libvixl/a64/instructions-a64.cc,
are going to look for utils.h on all the other include paths first.
When building QEMU as part of the Xen make system, another unrelated
utils.h file is going to be chosen for inclusion, causing a build
failure:
In file included from disas/libvixl/a64/instructions-a64.cc:27:0:
/qemu/disas/libvixl/a64/instructions-a64.h:88:64: error:
'rawbits_to_float' was not declared in this scope
const float kFP32PositiveInfinity = rawbits_to_float(0x7f800000);
Fix the problem by prepending (rather than appending) the libvixl
include path to QEMU_CFLAGS.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Use libvixl to implement disassembly output in debug
logs for A64, for use with both AArch64 hosts and targets.
Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org>
[PMM:
* added support for target disassembly
* switched to custom QEMUDisassembler so the output format
matches what QEMU expects
* make sure we correctly fall back to "just print hex"
if we didn't build the AArch64 disassembler because of
lack of a C++ compiler
* rename from 'aarch64' to 'arm-a64' because this is a
disassembler for the A64 instruction set
* merge aarch64.c and aarch64-cxx.cc into one C++ file
* simplify the aarch64.c<->aarch64-cxx.cc interface]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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