| Commit message (Collapse) | Author | Age | Files | Lines |
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Enable s390x, aka SYSZ, in the git submodule build.
Set the capstone parameters for both s390x host and guest.
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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There is nothing target-specific about this code, so it
can be added to common_ss. This also requires that the
base capstone dependency be added to common_ss, so that
we get the correct include paths added to CFLAGS.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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The ifdef tangle failed to set cap_arch if libvixl itself
was not configured (e.g. due to lack of c++ compiler).
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Do not retain a GString in thread-local storage. Allocate a
new one and free it on every invocation. Do not g_strdup the
result; return the buffer from the GString. Do not use
warn_report.
Using cs_disasm allocated memory via the &insn parameter, but
that was never freed. Use cs_disasm_iter so that we use the
memory that we've already allocated, and so that we only try
to disassemble one insn, as desired. Do not allocate 1k to
hold the bytes for a single instruction.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Use the routines we have already instead of open-coding.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Rename several functions, dropping "generic" and making "host"
vs "target" clearer. Make a bunch of functions static that are
not used outside this file. Replace INIT_DISASSEMBLE_INFO with
a trio of functions.
Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Instead of creating GStrings and passing them into log_disas,
just print the annotations directly in tb_gen_code.
Fix the annotations for the slow paths of the TB, after the
part implementing the final guest instruction.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Both cpu_memory_rw_debug() and address_space_read() return
an error on failed transaction. Check the returned value,
and return EIO in case of error.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Include support for outputting a note at the top of a chunk of
disassembly to capstone as well.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200513175134.19619-10-alex.bennee@linaro.org>
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This will become useful shortly for providing more information about
output assembly inline. While there fix up the indenting and code
formatting in disas().
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200513175134.19619-9-alex.bennee@linaro.org>
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Give the plugins access to the QEMU dissasembler so they don't have to
re-invent the wheel. We generate a warning when there are spare bytes
in the decode buffer. This is usually due to the front end loading in
more bytes than decoded.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
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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>
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INIT_DISASSEMBLE_INFO() takes an fprintf()-like callback and a FILE *
to pass to it. monitor_disas() passes monitor_fprintf() and the
current monitor cast to FILE *. monitor_fprintf() casts it right
back, and is otherwise identical to monitor_printf(). The
type-punning is ugly.
Pass qemu_fprintf() and NULL instead.
monitor_fprintf() is now unused; delete it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417191805.28198-16-armbru@redhat.com>
[Commit message typo corrected]
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Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <caa478c8987d6042434bb9582017cdf0ea192208.1545246859.git.alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Currently disas.c reads physical memory using
cpu_physical_memory_read(). This effectively hard-codes
assuming that all CPUs have the same view of physical
memory. Switch to address_space_read() instead, which
lets us use the AddressSpace for the CPU we're
disassembling for.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181122172653.3413-2-peter.maydell@linaro.org
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The RISC-V disassembler has no dependencies outside of the 'disas'
directory so it can be applied independently. The majority of the
disassembler is machine-generated from instruction set metadata:
- https://github.com/michaeljclark/riscv-meta
Expected checkpatch errors for consistency and brevity reasons:
ERROR: line over 90 characters
ERROR: trailing statements should be on next line
ERROR: space prohibited between function name and open parenthesis '('
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Clark <mjc@sifive.com>
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This feature is present for some targets in the bfd disassembler(s).
Implement it generically for all capstone users.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Even though there is only one monitor, and thus no race on this
global data object, there is also no point in having it. We can
just as well record the decision in the read_memory_function that
we select.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Cc: qemu-ppc@nongnu.org
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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If configured, prefer this over our rather dated copy of the
GPLv2-only binutils. This will be especially apparent with
the proposed vector extensions to TCG, as disas/i386.c does
not handle AVX.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Now that every target is using the disas_set_info hook,
the flags argument is unused. Remove it.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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I've recently seen this with valgrind while running the HMP tester:
==22373== Conditional jump or move depends on uninitialised value(s)
==22373== at 0x4A41FD: arm_disas_set_info (cpu.c:504)
==22373== by 0x3867A7: monitor_disas (disas.c:390)
==22373== by 0x38E80E: memory_dump (monitor.c:1339)
==22373== by 0x38FA43: handle_hmp_command (monitor.c:3123)
==22373== by 0x38FB9E: qmp_human_monitor_command (monitor.c:613)
==22373== by 0x4E3124: qmp_marshal_human_monitor_command (qmp-marshal.c:1736)
==22373== by 0x769678: do_qmp_dispatch (qmp-dispatch.c:104)
==22373== by 0x769678: qmp_dispatch (qmp-dispatch.c:131)
==22373== by 0x38B734: handle_qmp_command (monitor.c:3853)
==22373== by 0x76ED07: json_message_process_token (json-streamer.c:105)
==22373== by 0x78D40A: json_lexer_feed_char (json-lexer.c:323)
==22373== by 0x78D4CD: json_lexer_feed (json-lexer.c:373)
==22373== by 0x38A08D: monitor_qmp_read (monitor.c:3895)
And indeed, in monitor_disas, the read_memory_inner_func variable was
not initialized, but arm_disas_set_info() expects this to be NULL
or a valid pointer. Let's properly set this to NULL in the
INIT_DISASSEMBLE_INFO to fix it in all functions that use the
disassemble_info struct.
Fixes: f7478a92dd9ee2276bfaa5b7317140d3f9d6a53b ("Fix Thumb-1 BE32 execution")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1506524313-20037-1-git-send-email-thuth@redhat.com>
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We threatened to remove ia64 as host in v2.9.0. Its time has now come.
There are still some usages of defined(__ia64__) throughout the source
code that would be triggered if one were to enable TCI on an ia64 host.
Leave those alone for now.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Thumb-1 code has some issues in BE32 mode (as currently implemented). In
short, since bytes are swapped within words at load time for BE32
executables, this also swaps pairs of adjacent Thumb-1 instructions.
This patch un-swaps those pairs of instructions again, both for execution,
and for disassembly. (The previous version of the patch always read four
bytes in arm_read_memory_func and then extracted the proper two bytes,
in a probably misguided attempt to match the behaviour of actual hardware
as described by e.g. the ARM9TDMI TRM, section 3.3 "Endian effects for
instruction fetches". It's less complicated to just read the correct
two bytes though.)
Signed-off-by: Julian Brown <julian@codesourcery.com>
Message-id: ca20462a044848000370318a8bd41dd0a4ed273f.1484929304.git.julian@codesourcery.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This reverts commit d41f3c3cc7a5fb9de144cc4022da14a9ff010671.
Signed-off-by: Richard Henderson <rth@twiddle.net>
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The HPPA backend has been removed by the following commit:
802b5081233a6b643a8b135a5facaf14bafaa77d
tcg-hppa: Remove tcg backend
But some small pieces of the HPPA backend still survived until
today. Since we also do not have support for a HPPA target in
QEMU, we can nowadays safely remove the remaining HPPA parts
(like the disassembler code, or the detection of HPPA in the
configure script).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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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: 1454089805-5470-16-git-send-email-peter.maydell@linaro.org
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Move the target_disas() alpha specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
This also makes monitor_disas() consistent with target_disas(), as
monitor_disas() was missing a set of the BFD (This was an omission from
commit b9bec751c8c8b08d8055da32306eb105db03031b).
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() mips specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() sh4 specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() lm32 specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Michael Walle <michael@walle.cc>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() sparc specifics to the QOM disas_set_info hook
and delete the #ifdef specific code in disas.c.
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() m68k specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() moxie specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Cc: Anthony Green <green@moxielogic.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() s390 specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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monitor_fprintf and mon_get_cpu will be used in the target-specific monitor,
so it is advisable to make it external.
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Andreas Färber <afaerber@suse.de>
Message-Id: <1442927901-1084-6-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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It does not work in multi-arch as it requires the CPU specific
TARGET_VIRT_ADDR_SPACE_BITS global define. Just use the generic
version that does no masking. Targets should be responsible for
passing in a sane virtual address.
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <1436129432-16617-1-git-send-email-crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Move the target_disas() cris specifics to the QOM disas_set_info() hook
and delete the cris specific code in disas.c.
This also now adds support for monitor_disas() to cris.
E.g.
(qemu) xp 0x40004000
0000000040004000: 0x1e6f25f0
And before this patch:
(qemu) xp/i 0x40004000
0x40004000: Asm output not supported on this arch
After:
(qemu) xp/i 0x40004000
0x40004000: di
(qemu) xp/i 0x40004002
0x40004002: move.d 0xb003c004,$r1
Note: second example is 6-byte misaligned instruction!
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() MB specifics to the QOM disas_set_info hook
and delete the MB specific code in disas.c.
This also now adds support for monitor_disas() to Microblaze.
E.g.
(qemu) xp 0x90000000
0000000090000000: 0x94208001
And before this patch:
(qemu) xp/i 0x90000000
0x90000000: Asm output not supported on this arch
After:
(qemu) xp/i 0x90000000
0x90000000: mfs r1, rmsr
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Move the target_disas() ARM specifics to the QOM disas_set_info hook
and delete the ARM specific code in disas.c.
This has the extra advantage of the more fully featured target_disas()
implementation now applying to monitor_disas().
Currently, target_disas() has multi-endian, thumb and AArch64
support whereas the existing monitor_disas() support only has vanilla
AA32 support.
E.G. Running an AA64 linux kernel the following -d in_asm disas happens
(taget_disas()):
IN:
0x0000000040000000: 580000c0 ldr x0, pc+24 (addr 0x40000018)
0x0000000040000004: aa1f03e1 mov x1, xzr
However before this patch, disasing the same from the monitor:
(qemu) xp/i 0x40000000
0x0000000040000000: 580000c0 stmdapl r0, {r6, r7}
After this patch:
(qemu) xp/i 0x40000000
0x0000000040000000: 580000c0 ldr x0, pc+24 (addr 0x40000018)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Add a QOM function hook for target-specific disassembly setup. This
allows removal of the #ifdeffery currently implementing target specific
disas setup from disas.c.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Add the print_insn pointer to the disassemble info structure. This is
to prepare for QOMification support, where a QOM CPU hook function will
be responsible for setting the print_insn() function. Add this function
to the existing struct to consolidate such that only the one struct
needs to be passed to the new QOM API.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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disas does not need to access the CPU env for any reason. Change the
APIs to accept CPU pointers instead. Small change pattern needs to be
applied to all target translate.c. This brings us closer to making
disas.o a common-obj and less architecture specific in general.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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The monitor support for disassembling instructions does not honor the MSR[LE]
bit for PowerPC processors.
This change enhances the monitor_disas() routine by supporting a flag bit
for Little Endian mode. Bit 16 is used since that bit was used in the
analagous guest disassembly routine target_disas().
Also, to be consistent with target_disas(), the disassembler bfd_mach field
can be passed in the flags argument.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Inspect only bit 16 for the Little Endian test. Correct comment preceding
the target_disas() function. Correct grammar in comment for flags processing.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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