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2023-06-20meson: Replace softmmu_ss -> system_ssPhilippe Mathieu-Daudé1-5/+5
We use the user_ss[] array to hold the user emulation sources, and the softmmu_ss[] array to hold the system emulation ones. Hold the latter in the 'system_ss[]' array for parity with user emulation. Mechanical change doing: $ sed -i -e s/softmmu_ss/system_ss/g $(git grep -l softmmu_ss) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230613133347.82210-10-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-04-04gdbstub: Only build libgdb_user.fa / libgdb_softmmu.fa if necessaryPhilippe Mathieu-Daudé1-2/+4
It is pointless to build libgdb_user.fa in a system-only build (or libgdb_softmmu.fa in a user-only build). Besides, in some restricted build configurations, some APIs might be restricted / not available. Example in a KVM-only builds where TCG is disabled: $ ninja qemu-system-x86_64 [99/2187] Compiling C object gdbstub/libgdb_user.fa.p/user.c.o FAILED: gdbstub/libgdb_user.fa.p/user.c.o ../../gdbstub/user.c: In function ‘gdb_breakpoint_insert’: ../../gdbstub/user.c:438:19: error: implicit declaration of function ‘cpu_breakpoint_insert’; did you mean ‘gdb_breakpoint_insert’? [-Werror=implicit-function-declaration] 438 | err = cpu_breakpoint_insert(cpu, addr, BP_GDB, NULL); | ^~~~~~~~~~~~~~~~~~~~~ | gdb_breakpoint_insert ../../gdbstub/user.c:438:19: error: nested extern declaration of ‘cpu_breakpoint_insert’ [-Werror=nested-externs] ../../gdbstub/user.c: In function ‘gdb_breakpoint_remove’: ../../gdbstub/user.c:459:19: error: implicit declaration of function ‘cpu_breakpoint_remove’; did you mean ‘gdb_breakpoint_remove’? [-Werror=implicit-function-declaration] 459 | err = cpu_breakpoint_remove(cpu, addr, BP_GDB); | ^~~~~~~~~~~~~~~~~~~~~ | gdb_breakpoint_remove ../../gdbstub/user.c:459:19: error: nested extern declaration of ‘cpu_breakpoint_remove’ [-Werror=nested-externs] cc1: all warnings being treated as errors ninja: build stopped: subcommand failed. Fixes: 61b2e136db ("gdbstub: only compile gdbstub twice for whole build") Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230329161852.84992-1-philmd@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230403134920.2132362-3-alex.bennee@linaro.org>
2023-03-07gdbstub: Build syscall.c onceRichard Henderson1-2/+1
There is no longer anything target specific. Signed-off-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: <20230303025805.625589-29-richard.henderson@linaro.org>
2023-03-07gdbstub: only compile gdbstub twice for whole buildAlex Bennée1-4/+26
Now we have removed any target specific bits from the core gdbstub code we only need to build it twice. We have to jump a few meson hoops to manually define the CONFIG_USER_ONLY symbol but it seems to work. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-23-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-23-richard.henderson@linaro.org>
2023-03-07gdbstub: move syscall handling to new fileAlex Bennée1-0/+4
Our GDB syscall support is the last chunk of code that needs target specific support so move it to a new file. We take the opportunity to move the syscall state into its own singleton instance and add in a few helpers for the main gdbstub to interact with the module. I also moved the gdb_exit() declaration into syscalls.h as it feels pretty related and most of the callers of it treat it as such. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230302190846.2593720-22-alex.bennee@linaro.org> Message-Id: <20230303025805.625589-22-richard.henderson@linaro.org>
2023-03-07gdbstub: move chunks of user code into own filesAlex Bennée1-0/+3
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>
2022-10-06gdbstub: move breakpoint logic to accel opsAlex Bennée1-0/+8
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 into its own sub directoryAlex Bennée1-0/+1
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>