Differential D14282 Diff 39313 sys/amd64/amd64/gdb_machdep.c

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sys/amd64/amd64/gdb_machdep.c

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#include <sys/param.h>		#include <sys/param.h>
#include <sys/systm.h>		#include <sys/systm.h>
#include <sys/kdb.h>		#include <sys/kdb.h>
#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/signal.h>		#include <sys/signal.h>

		#include <machine/cpufunc.h>
#include <machine/frame.h>		#include <machine/frame.h>
#include <machine/gdb_machdep.h>		#include <machine/gdb_machdep.h>
#include <machine/pcb.h>		#include <machine/pcb.h>
#include <machine/psl.h>		#include <machine/psl.h>
#include <machine/reg.h>		#include <machine/reg.h>
		#include <machine/specialreg.h>
#include <machine/trap.h>		#include <machine/trap.h>
#include <machine/frame.h>		#include <machine/frame.h>
#include <machine/endian.h>		#include <machine/endian.h>

#include <gdb/gdb.h>		#include <gdb/gdb.h>

void *		void *
gdb_cpu_getreg(int regnum, size_t *regsz)		gdb_cpu_getreg(int regnum, size_t *regsz)
▲ Show 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	gdb_cpu_signal(int type, int code)
case 11: return (SIGSEGV); /* Segment not present. */		case 11: return (SIGSEGV); /* Segment not present. */
case 12: return (SIGSEGV); /* Stack exception. */		case 12: return (SIGSEGV); /* Stack exception. */
case 13: return (SIGSEGV); /* General protection. */		case 13: return (SIGSEGV); /* General protection. */
case 14: return (SIGSEGV); /* Page fault. */		case 14: return (SIGSEGV); /* Page fault. */
case 16: return (SIGEMT); /* Coprocessor error. */		case 16: return (SIGEMT); /* Coprocessor error. */
}		}
return (SIGEMT);		return (SIGEMT);
}		}

		void *
		gdb_begin_write(void)
		{
		u_long cr0save;

		cr0save = rcr0();
		load_cr0(cr0save & ~CR0_WP);
		return ((void *)cr0save);
		}

		void
		gdb_end_write(void *arg)
		{

		load_cr0((u_long)arg);
		}