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When assembling 'given' from the instruction bytes, C's integer
promotion rules mean we may promote an unsigned char to a signed
integer before shifting it, and then sign extend to a 64-bit long,
which can set the high bits of the long. The code doesn't in fact
care about the high bits if the long is 64 bits, but this is
surprising, so don't do it.
(Spotted by Coverity, CID 1005404.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1488556233-31246-7-git-send-email-peter.maydell@linaro.org
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The macros ISSPACE, strneq, NUM_ELEMS and NUM_ARM_REGNAMES
are defined in disas/arm.c but never used. Remove the
unnecessary definitions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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disas/bfd.h defines ATTRIBUTE_UNUSED, but unfortunately the
ALSA system headers also define this macro, which means that
you can get a compilation failure if building with ALSA and
any files happen to include the alsa headers before bfd.h
rather than the other way around.
This is unfortunate namespace pollution by the ALSA headers but
we can work around it. Add an #ifndef guard to bfd.h and remove
the unnecessary extra definition in disas/arm.c to fix this.
Reported-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468937076-21503-1-git-send-email-peter.maydell@linaro.org
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Eliminates a future compilation error when UI code includes the tracing
headers (indirectly pulling "disas/bfd.h" through "qom/cpu.h") and
GLib's i18n '_' macro.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.
This commit was created with scripts/clean-includes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1453832250-766-13-git-send-email-peter.maydell@linaro.org
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clang 3.7.0 on x86_64 warns about the following:
disas/arm.c:1782:17: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
imm |= (-1 << 7);
~~ ^
Note that this patch preserves the tab indent in this source file
because the surrounding code still uses tabs.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Warnings from the Sparse static analysis tool:
disas/arm.c:1552:15: warning:
symbol 'last_type' was not declared. Should it be static?
disas/arm.c:1553:5: warning:
symbol 'last_mapping_sym' was not declared. Should it be static?
disas/arm.c:1554:9: warning:
symbol 'last_mapping_addr' was not declared. Should it be static?
Instead of adding 'static', the unused variables and the unused code which
refers to those variables (which was deactivated a long time ago in
commit 4b0f1a8b) are removed.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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An armv7 extension implements division, present on Cortex A15.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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