Differential D14148 Diff 40118 devel/gdb/files/kgdb/i386fbsd-kern.c

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devel/gdb/files/kgdb/i386fbsd-kern.c

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* 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.
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include "defs.h"
#include <sys/proc.h>		#include "frame-unwind.h"
		#include "gdbcore.h"
		#include "inferior.h"
		#include "osabi.h"
		#include "regcache.h"
		#include "progspace.h"
		#include "solib.h"
		#include "trad-frame.h"
		#include "i386-tdep.h"

#ifdef __i386__		#ifdef __i386__
		#include <sys/proc.h>
#include <machine/pcb.h>		#include <machine/pcb.h>
#include <machine/frame.h>		#include <machine/frame.h>
#include <machine/segments.h>		#include <machine/segments.h>
#include <machine/tss.h>		#include <machine/tss.h>
#endif		#endif
#include <string.h>

#include <defs.h>
#include <frame-unwind.h>
#include "gdbcore.h"
#include <inferior.h>
#include "osabi.h"
#include <regcache.h>
#include "progspace.h"
#include "solib.h"
#include "trad-frame.h"
#include <i386-tdep.h>

#include "kgdb.h"		#include "kgdb.h"

struct i386fbsd_info {		struct i386fbsd_info {
int ofs_fix;		int ofs_fix;
};		};

/* Per-program-space data key. */		/* Per-program-space data key. */
static const struct program_space_data *i386fbsd_pspace_data;		static const struct program_space_data *i386fbsd_pspace_data;
▲ Show 20 Lines • Show All 71 Lines • ▼ Show 20 Lines	i386fbsd_supply_pcb(struct regcache *regcache, CORE_ADDR pcb_addr)
gdb_byte buf[4];		gdb_byte buf[4];
int i;		int i;

for (i = 0; i < ARRAY_SIZE (i386fbsd_pcb_offset); i++)		for (i = 0; i < ARRAY_SIZE (i386fbsd_pcb_offset); i++)
if (i386fbsd_pcb_offset[i] != -1) {		if (i386fbsd_pcb_offset[i] != -1) {
if (target_read_memory(pcb_addr + i386fbsd_pcb_offset[i], buf, sizeof buf)		if (target_read_memory(pcb_addr + i386fbsd_pcb_offset[i], buf, sizeof buf)
!= 0)		!= 0)
continue;		continue;
regcache_raw_supply(regcache, i, buf);		regcache->raw_supply(i, buf);
}		}
regcache_raw_supply_unsigned(regcache, I386_CS_REGNUM, CODE_SEL);		regcache->raw_supply_unsigned(I386_CS_REGNUM, CODE_SEL);
regcache_raw_supply_unsigned(regcache, I386_DS_REGNUM, DATA_SEL);		regcache->raw_supply_unsigned(I386_DS_REGNUM, DATA_SEL);
regcache_raw_supply_unsigned(regcache, I386_ES_REGNUM, DATA_SEL);		regcache->raw_supply_unsigned(I386_ES_REGNUM, DATA_SEL);
regcache_raw_supply_unsigned(regcache, I386_FS_REGNUM, PRIV_SEL);		regcache->raw_supply_unsigned(I386_FS_REGNUM, PRIV_SEL);
regcache_raw_supply_unsigned(regcache, I386_GS_REGNUM, DATA_SEL);		regcache->raw_supply_unsigned(I386_GS_REGNUM, DATA_SEL);
regcache_raw_supply_unsigned(regcache, I386_SS_REGNUM, DATA_SEL);		regcache->raw_supply_unsigned(I386_SS_REGNUM, DATA_SEL);
}		}

#ifdef __i386__		#ifdef __i386__
/* TODO: Make this cross-debugger friendly. */		/* TODO: Make this cross-debugger friendly. */
static const int i386fbsd_tss_offset[] = {		static const int i386fbsd_tss_offset[] = {
10 * 4, /* %eax */		10 * 4, /* %eax */
11 * 4, /* %ecx */		11 * 4, /* %ecx */
12 * 4, /* %edx */		12 * 4, /* %edx */
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#endif		#endif
frame_unwind_prepend_unwinder(gdbarch, &i386fbsd_trapframe_unwind);		frame_unwind_prepend_unwinder(gdbarch, &i386fbsd_trapframe_unwind);

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

fbsd_vmcore_set_supply_pcb(gdbarch, i386fbsd_supply_pcb);		fbsd_vmcore_set_supply_pcb(gdbarch, i386fbsd_supply_pcb);
fbsd_vmcore_set_cpu_pcb_addr(gdbarch, kgdb_trgt_stop_pcb);		fbsd_vmcore_set_cpu_pcb_addr(gdbarch, kgdb_trgt_stop_pcb);
}		}

void _initialize_i386_kgdb_tdep(void);

void		void
_initialize_i386_kgdb_tdep(void)		_initialize_i386_kgdb_tdep(void)
{		{
/* This is used for both i386 and amd64, but amd64 always		/* This is used for both i386 and amd64, but amd64 always
includes this target, so just include it here. */		includes this target, so just include it here. */
gdbarch_register_osabi_sniffer(bfd_arch_i386,		gdbarch_register_osabi_sniffer(bfd_arch_i386,
bfd_target_elf_flavour,		bfd_target_elf_flavour,
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