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2023-03-07gdbstub: abstract target specific details from gdb_put_packet_binaryAlex Bennée1-8/+2
We unfortunately handle the checking of packet acknowledgement differently for user and softmmu modes. Abstract the user mode stuff behind gdb_got_immediate_ack with a stub for softmmu. 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: <20230302190846.2593720-14-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-14-richard.henderson@linaro.org>
2023-03-07gdbstub: move chunks of user code into own filesAlex Bennée1-674/+4
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 Bennée1-411/+10
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 Bennée1-136/+140
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 Bennée1-20/+0
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 Bennée1-0/+2
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 Bennée1-42/+0
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 Bennée1-41/+53
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 Bennée1-14/+14
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>
2023-02-27replay: Extract core API to 'exec/replay-core.h'Philippe Mathieu-Daudé1-1/+1
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-Daudé1-1/+0
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 Bennée1-3/+2
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 Bennée1-118/+9
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 Bennée1-18/+4
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 Bennée1-0/+3641
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>
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