Differential D32000 Diff 95296 devel/gdb/files/kgdb/riscv-fbsd-kern.c

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devel/gdb/files/kgdb/riscv-fbsd-kern.c

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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.		* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,		* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT		* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,		* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY		* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/		*/

/* Target-dependent code for FreeBSD/riscv64 kernels. */		/* Target-dependent code for FreeBSD/riscv64 kernels. */

#include "defs.h"		#include "defs.h"

#include "riscv-tdep.h"		#include "riscv-tdep.h"
#include "frame-unwind.h"		#include "frame-unwind.h"
▲ Show 20 Lines • Show All 131 Lines • ▼ Show 20 Lines	riscv_fbsd_trapframe_sniffer (const struct frame_unwind *self,

find_pc_partial_function (get_frame_func (this_frame), &name, NULL, NULL);		find_pc_partial_function (get_frame_func (this_frame), &name, NULL, NULL);
return (name != NULL		return (name != NULL
&& ((strcmp (name, "cpu_exception_handler_user") == 0) \|\|		&& ((strcmp (name, "cpu_exception_handler_user") == 0) \|\|
(strcmp (name, "cpu_exception_handler_supervisor") == 0)));		(strcmp (name, "cpu_exception_handler_supervisor") == 0)));
}		}

static const struct frame_unwind riscv_fbsd_trapframe_unwind = {		static const struct frame_unwind riscv_fbsd_trapframe_unwind = {
		"riscv FreeBSD kernel trap",
SIGTRAMP_FRAME,		SIGTRAMP_FRAME,
default_frame_unwind_stop_reason,		default_frame_unwind_stop_reason,
riscv_fbsd_trapframe_this_id,		riscv_fbsd_trapframe_this_id,
riscv_fbsd_trapframe_prev_register,		riscv_fbsd_trapframe_prev_register,
NULL,		NULL,
riscv_fbsd_trapframe_sniffer		riscv_fbsd_trapframe_sniffer
};		};

/* Implement the 'init_osabi' method of struct gdb_osabi_handler. */		/* Implement the 'init_osabi' method of struct gdb_osabi_handler. */

static void		static void
riscv_fbsd_kernel_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)		riscv_fbsd_kernel_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{		{
frame_unwind_prepend_unwinder (gdbarch, &riscv_fbsd_trapframe_unwind);		frame_unwind_prepend_unwinder (gdbarch, &riscv_fbsd_trapframe_unwind);

set_solib_ops (gdbarch, &kld_so_ops);		set_solib_ops (gdbarch, &kld_so_ops);

set_gdbarch_software_single_step (gdbarch, riscv_software_single_step);		set_gdbarch_software_single_step (gdbarch, riscv_software_single_step);

fbsd_vmcore_set_supply_pcb (gdbarch, riscv_fbsd_supply_pcb);		fbsd_vmcore_set_supply_pcb (gdbarch, riscv_fbsd_supply_pcb);
fbsd_vmcore_set_cpu_pcb_addr (gdbarch, kgdb_trgt_stop_pcb);		fbsd_vmcore_set_cpu_pcb_addr (gdbarch, kgdb_trgt_stop_pcb);
}		}

/* Provide a prototype to silence -Wmissing-prototypes. */		void _initialize_riscv_kgdb_tdep ();
extern initialize_file_ftype _initialize_riscv_kgdb_tdep;

void		void
_initialize_riscv_kgdb_tdep (void)		_initialize_riscv_kgdb_tdep ()
{		{
gdbarch_register_osabi_sniffer(bfd_arch_riscv,		gdbarch_register_osabi_sniffer(bfd_arch_riscv,
bfd_target_elf_flavour,		bfd_target_elf_flavour,
fbsd_kernel_osabi_sniffer);		fbsd_kernel_osabi_sniffer);
gdbarch_register_osabi (bfd_arch_riscv, 0, GDB_OSABI_FREEBSD_KERNEL,		gdbarch_register_osabi (bfd_arch_riscv, 0, GDB_OSABI_FREEBSD_KERNEL,
riscv_fbsd_kernel_init_abi);		riscv_fbsd_kernel_init_abi);
}		}