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gdbstub: Add helper function to unregister GDB register space

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Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.

Note: These are common functions exported to arch specific code. For example,
for ARM this code is being referred in associated arch specific patch-set:

Link: https://lore.kernel.org/qemu-devel/20230926103654.34424-1-salil.mehta@huawei.com/

Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Xianglai Li <lixianglai@loongson.cn>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Tested-by: Zhao Liu <zhao1.liu@intel.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20240716111502.202344-8-salil.mehta@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Salil Mehta 2024-07-16 12:15:02 +01:00 • committed by Michael S. Tsirkin
parent 24bec42f3d
commit 242da18082
3 changed files with 23 additions and 1 deletions
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5
hw/core/cpu-common.c
View file

@ -282,7 +282,10 @@ static void cpu_common_finalize(Object *obj)
}
#endif
free_queued_cpu_work(cpu);
g_array_free(cpu->gdb_regs, TRUE);
/* If cleanup didn't happen in context to gdb_unregister_coprocessor_all */
if (cpu->gdb_regs) {
g_array_free(cpu->gdb_regs, TRUE);
}
qemu_lockcnt_destroy(&cpu->in_ioctl_lock);
qemu_mutex_destroy(&cpu->work_mutex);
qemu_cond_destroy(cpu->halt_cond);