windows-nat: Cleanups in get_windows_debug_event

[deliverable/binutils-gdb.git] / gdb / amd64fbsd-tdep.c

diff --git a/gdb/amd64fbsd-tdep.c b/gdb/amd64fbsd-tdep.c
index e11b0f371ecab9b3ea32262b3c07a14aafd8ab4c..52705d9e305aafcae49fc8e255a4e77cd7836616 100644 (file)
--- a/gdb/amd64fbsd-tdep.c
+++ b/gdb/amd64fbsd-tdep.c
@@ -23,6 +23,9 @@
 #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"
@@ -51,8 +54,8 @@ amd64fbsd_sigtramp_p (struct frame_info *this_frame)
 
   if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
     return 0;
-  if (memcmp (buf, amd64fbsd_sigtramp_code, sizeof amd64fbsd_sigtramp_code) !=
-      0)
+  if (memcmp (buf, amd64fbsd_sigtramp_code, sizeof amd64fbsd_sigtramp_code)
+      != 0)
     return 0;
 
   return 1;
@@ -169,6 +172,59 @@ static int amd64fbsd_jmp_buf_reg_offset[] =
   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)
@@ -233,6 +289,15 @@ amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   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);