/* Target-dependent code for FreeBSD/amd64.
- Copyright (C) 2003-2015 Free Software Foundation, Inc.
+ Copyright (C) 2003-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbcore.h"
#include "regcache.h"
#include "osabi.h"
+#include "regset.h"
+#include "i386fbsd-tdep.h"
+#include "x86-xstate.h"
#include "amd64-tdep.h"
#include "bsd-uthread.h"
0 * 8 /* %rip */
};
+/* Implement the core_read_description gdbarch method. */
+
+static const struct target_desc *
+amd64fbsd_core_read_description (struct gdbarch *gdbarch,
+ struct target_ops *target,
+ bfd *abfd)
+{
+ return amd64_target_description (i386fbsd_core_read_xcr0 (abfd));
+}
+
+/* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
+
+static void
+amd64fbsd_supply_xstateregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *xstateregs, size_t len)
+{
+ amd64_supply_xsave (regcache, regnum, xstateregs);
+}
+
+/* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
+
+static void
+amd64fbsd_collect_xstateregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *xstateregs, size_t len)
+{
+ amd64_collect_xsave (regcache, regnum, xstateregs, 1);
+}
+
+static const struct regset amd64fbsd_xstateregset =
+ {
+ NULL,
+ amd64fbsd_supply_xstateregset,
+ amd64fbsd_collect_xstateregset
+ };
+
+/* Iterate over core file register note sections. */
+
+static void
+amd64fbsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ cb (".reg", tdep->sizeof_gregset, &i386_gregset, NULL, cb_data);
+ cb (".reg2", tdep->sizeof_fpregset, &amd64_fpregset, NULL, cb_data);
+ cb (".reg-xstate", X86_XSTATE_SIZE(tdep->xcr0),
+ &amd64fbsd_xstateregset, "XSAVE extended state", cb_data);
+}
+
static void
amd64fbsd_supply_uthread (struct regcache *regcache,
int regnum, CORE_ADDR addr)
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64fbsd_sc_reg_offset);
+ tdep->xsave_xcr0_offset = I386_FBSD_XSAVE_XCR0_OFFSET;
+
+ /* Iterate over core file register note sections. */
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, amd64fbsd_iterate_over_regset_sections);
+
+ set_gdbarch_core_read_description (gdbarch,
+ amd64fbsd_core_read_description);
+
/* FreeBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, amd64fbsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, amd64fbsd_collect_uthread);