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2023-03-07gdbstub: rationalise signal mapping in softmmuAlex Bennée
We don't really need a table for mapping two symbols. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-13-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-13-richard.henderson@linaro.org>
2023-03-07gdbstub: move chunks of user code into own filesAlex Bennée
The process was pretty similar to the softmmu move except we take the time to split stuff between user.c and user-target.c to avoid as much target specific compilation as possible. We also start to make use of our shiny new header scheme so the user-only helpers can be included without the rest of the exec/gsbstub.h cruft. As before we split some functions into user and softmmu versions Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-12-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-12-richard.henderson@linaro.org>
2023-03-07gdbstub: move chunk of softmmu functionality to own fileAlex Bennée
This is mostly code motion but a number of things needed to be done for this minimal patch set: - move shared structures to internals.h - splitting some functions into user and softmmu versions - fixing a few casting issues to keep softmmu common More CONFIG_USER_ONLY stuff will be handled in a following patches. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-11-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-11-richard.henderson@linaro.org>
2023-03-07gdbstub: make various helpers visible to the rest of the moduleAlex Bennée
We will be needing to use these helpers between the user and softmmu files so declare them in the headers, add a system prefix and remove static from the implementations. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-10-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-10-richard.henderson@linaro.org>
2023-03-07gdbstub: move fromhex/tohex routines to internalsAlex Bennée
These will be needed from multiple places in the code. They are declared as inline so move to the header and fix up to modern coding style. The only other place that messes with hex stuff at the moment is the URI handling in utils but that would be more code churn so leave for now. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-9-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-9-richard.henderson@linaro.org>
2023-03-07includes: move tb_flush into its own headerAlex Bennée
This aids subsystems (like gdbstub) that want to trigger a flush without pulling target specific headers. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-8-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-8-richard.henderson@linaro.org>
2023-03-07gdbstub: move GDBState to shared internals headerAlex Bennée
We are about to split softmmu and user mode helpers into different files. To facilitate this we will need to share access to the GDBState between those files. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-7-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-7-richard.henderson@linaro.org>
2023-03-07gdbstub: define separate user/system structuresAlex Bennée
In preparation for moving user/softmmu specific bits from the main gdbstub file we need to separate the connection details into a user/softmmu state. As these will eventually be defined in their own files we move them out of the common GDBState structure. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-6-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-6-richard.henderson@linaro.org>
2023-03-07gdbstub: clean-up indent on gdb_exitAlex Bennée
Otherwise checkpatch will throw a hissy fit on the later patches that split this function up. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Message-Id: <20230302190846.2593720-5-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-5-richard.henderson@linaro.org>
2023-03-07gdbstub: fix-up copyright and license filesAlex Bennée
When I started splitting gdbstub apart I was a little too boilerplate with my file headers. Fix up to carry over Fabrice's copyright and the LGPL license header. Fixes: ae7467b1ac (gdbstub: move breakpoint logic to accel ops) Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-3-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-3-richard.henderson@linaro.org>
2023-03-07gdbstub/internals.h: clean up include guardAlex Bennée
Use something more specific to avoid name clashes. Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-2-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-2-richard.henderson@linaro.org>
2023-02-27replay: Extract core API to 'exec/replay-core.h'Philippe Mathieu-Daudé
replay API is used deeply within TCG common code (common to user and system emulation). Unfortunately "sysemu/replay.h" requires some QAPI headers for few system-specific declarations, example: void replay_input_event(QemuConsole *src, InputEvent *evt); Since commit c2651c0eaa ("qapi/meson: Restrict UI module to system emulation and tools") the QAPI header defining the InputEvent is not generated anymore. To keep it simple, extract the 'core' replay prototypes to a new "exec/replay-core.h" header which we include in the TCG code that doesn't need the rest of the replay API. Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Message-Id: <20221219170806.60580-5-philmd@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27gdbstub: Use vaddr type for generic insert/remove_breakpoint() APIPhilippe Mathieu-Daudé
Both insert/remove_breakpoint() handlers are used in system and user emulation. We can not use the 'hwaddr' type on user emulation, we have to use 'vaddr' which is defined as "wide enough to contain any #target_ulong virtual address". gdbstub.c doesn't require to include "exec/hwaddr.h" anymore. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221216215519.5522-4-philmd@linaro.org>
2022-10-06gdbstub: move guest debug support check to opsAlex Bennée
This removes the final hard coding of kvm_enabled() in gdbstub and moves the check to an AccelOps. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>
2022-10-06gdbstub: move breakpoint logic to accel opsAlex Bennée
As HW virtualization requires specific support to handle breakpoints lets push out special casing out of the core gdbstub code and into AccelOpsClass. This will make it easier to add other accelerator support and reduces some of the stub shenanigans. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-45-alex.bennee@linaro.org>
2022-10-06gdbstub: move sstep flags probing into AccelClassAlex Bennée
The support of single-stepping is very much dependent on support from the accelerator we are using. To avoid special casing in gdbstub move the probing out to an AccelClass function so future accelerators can put their code there. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-44-alex.bennee@linaro.org>
2022-10-06gdbstub: move into its own sub directoryAlex Bennée
This is in preparation of future refactoring as well as cleaning up the source tree. Aside from the minor tweaks to meson and trace.h this is pure code motion. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220929114231.583801-43-alex.bennee@linaro.org>