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2020-09-17disas/: fix some comment spelling errorszhaolichang1-4/+4
I found that there are many spelling errors in the comments of qemu, so I used the spellcheck tool to check the spelling errors and finally found some spelling errors in the disas folder. Signed-off-by: zhaolichang <zhaolichang@huawei.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20200917075029.313-9-zhaolichang@huawei.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-04-18disas: Rename include/disas/bfd.h back to include/disas/dis-asm.hMarkus Armbruster1-1/+1
Commit dc99065b5f9 (v0.1.0) added dis-asm.h from binutils. Commit 43d4145a986 (v0.1.5) inlined bfd.h into dis-asm.h to remove the dependency on binutils. Commit 76cad71136b (v1.4.0) moved dis-asm.h to include/disas/bfd.h. The new name is confusing when you try to match against (pre GPLv3+) binutils. Rename it back. Keep it in the same directory, of course. Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190417191805.28198-17-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-01-11remove space-tab sequencesPaolo Bonzini1-2/+2
There are not many, and they are all simple mistakes that ended up being committed. Remove them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20181213223737.11793-2-pbonzini@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-08-23fix "Missing break in switch" coverity reportsPaolo Bonzini1-0/+1
Many of these are marked as "intentional/fix required" because they just need adding a fall through comment. This is exactly what this patch does, except for target/mips/translate.c where it is easier to duplicate the code, and hw/audio/sb16.c where I consulted the DOSBox sources and decide to just remove the LOG_UNIMP before the fallthrough. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02target/m68k: correctly disassemble move16Laurent Vivier1-0/+14
"move16 %a0@+,%a1@" and "fmovel (cpid=3) %a0@-,%fpcr" share the same opcode. To fix that, backport the fix from binutils: 2005-11-10 Andreas Schwab <schwab@suse.de> * m68k-dis.c (print_insn_m68k): Only match FPU insns with coprocessor ID 1. Reported-by: Thomas Huth <huth@tuxfamily.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Tested-by: Thomas Huth <huth@tuxfamily.org> Message-Id: <20180625203559.21370-2-laurent@vivier.eu>
2017-03-07disas/m68k: Avoid unintended sign extension in get_field()Peter Maydell1-2/+3
In get_field(), we take an 'unsigned char' value and shift it left, which implicitly promotes it to 'signed int', before ORing it into an 'unsigned long' type. If 'unsigned long' is 64 bits then this will result in a sign extension and the top 32 bits of the result will be 1s. Add explicit casts to unsigned long before shifting to prevent this. (Spotted by Coverity, CID 715697.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-id: 1488556233-31246-4-git-send-email-peter.maydell@linaro.org
2016-12-20slirp, disas: Replace min/max with MIN/MAX macrosYuval Shaia1-6/+2
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-07-18disas: Remove unused macro '_'Lluís Vilanova1-2/+2
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>
2016-03-22Remove unneeded include statements for setjmp.hStefan Weil1-2/+0
As soon as setjmp.h is included from qemu/osdep.h, those old include statements are no longer needed. Add also setjmp.h to the list in scripts/clean-includes. Signed-off-by: Stefan Weil <sw@weilnetz.de>
2016-02-04disas: Clean up includesPeter Maydell1-2/+1
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: 1454089805-5470-7-git-send-email-peter.maydell@linaro.org
2013-02-23Replace all setjmp()/longjmp() with sigsetjmp()/siglongjmp()Peter Maydell1-5/+6
The setjmp() function doesn't specify whether signal masks are saved and restored; on Linux they are not, but on BSD (including MacOSX) they are. We want to have consistent behaviour across platforms, so we should always use "don't save/restore signal mask" (this is also generally going to be faster). This also works around a bug in MacOSX where the signal-restoration on longjmp() affects the signal mask for a completely different thread, not just the mask for the thread which did the longjmp. The most visible effect of this was that ctrl-C was ignored on MacOSX because the CPU thread did a longjmp which resulted in its signal mask being applied to every thread, so that all threads had SIGINT and SIGTERM blocked. The POSIX-sanctioned portable way to do a jump without affecting signal masks is to siglongjmp() to a sigjmp_buf which was created by calling sigsetjmp() with a zero savemask parameter, so change all uses of setjmp()/longjmp() accordingly. [Technically POSIX allows sigsetjmp(buf, 0) to save the signal mask; however the following siglongjmp() must not restore the signal mask, so the pair can be effectively considered as "sigjmp/longjmp which don't touch the mask".] For Windows we provide a trivial sigsetjmp/siglongjmp in terms of setjmp/longjmp -- this is OK because no user will ever pass a non-zero savemask. The setjmp() uses in tests/tcg/test-i386.c and tests/tcg/linux-test.c are left untouched because these are self-contained singlethreaded test programs intended to be run under QEMU's Linux emulation, so they have neither the portability nor the multithreading issues to deal with. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Tested-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-19build: kill libdis, move disassemblers to disas/Paolo Bonzini1-0/+5051
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>