[ppc64le] Use skip_entrypoint for skip_trampoline_code

[deliverable/binutils-gdb.git] / gdb / aarch64-linux-nat.c

diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c
index f2ef41bb7a9ef3a34d924a1aa16f11a2a52137a4..d7ac19eb5a366d35d35811c1491ff962d61b256d 100644 (file)
--- a/gdb/aarch64-linux-nat.c
+++ b/gdb/aarch64-linux-nat.c
@@ -543,6 +543,34 @@ aarch64_linux_read_description (struct target_ops *ops)
   return tdesc_aarch64;
 }
 
+/* Convert a native/host siginfo object, into/from the siginfo in the
+   layout of the inferiors' architecture.  Returns true if any
+   conversion was done; false otherwise.  If DIRECTION is 1, then copy
+   from INF to NATIVE.  If DIRECTION is 0, copy from NATIVE to
+   INF.  */
+
+static int
+aarch64_linux_siginfo_fixup (siginfo_t *native, gdb_byte *inf, int direction)
+{
+  struct gdbarch *gdbarch = get_frame_arch (get_current_frame ());
+
+  /* Is the inferior 32-bit?  If so, then do fixup the siginfo
+     object.  */
+  if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
+    {
+      if (direction == 0)
+       aarch64_compat_siginfo_from_siginfo ((struct compat_siginfo *) inf,
+                                            native);
+      else
+       aarch64_siginfo_from_compat_siginfo (native,
+                                            (struct compat_siginfo *) inf);
+
+      return 1;
+    }
+
+  return 0;
+}
+
 /* Returns the number of hardware watchpoints of type TYPE that we can
    set.  Value is positive if we can set CNT watchpoints, zero if
    setting watchpoints of type TYPE is not supported, and negative if
@@ -779,6 +807,14 @@ aarch64_linux_watchpoint_addr_within_range (struct target_ops *target,
   return start <= addr && start + length - 1 >= addr;
 }
 
+/* Implement the "to_can_do_single_step" target_ops method.  */
+
+static int
+aarch64_linux_can_do_single_step (struct target_ops *target)
+{
+  return 1;
+}
+
 /* Define AArch64 maintenance commands.  */
 
 static void
@@ -830,6 +866,7 @@ _initialize_aarch64_linux_nat (void)
   t->to_stopped_data_address = aarch64_linux_stopped_data_address;
   t->to_watchpoint_addr_within_range =
     aarch64_linux_watchpoint_addr_within_range;
+  t->to_can_do_single_step = aarch64_linux_can_do_single_step;
 
   /* Override the GNU/Linux inferior startup hook.  */
   super_post_startup_inferior = t->to_post_startup_inferior;
@@ -841,4 +878,7 @@ _initialize_aarch64_linux_nat (void)
   linux_nat_set_new_fork (t, aarch64_linux_new_fork);
   linux_nat_set_forget_process (t, aarch64_forget_process);
   linux_nat_set_prepare_to_resume (t, aarch64_linux_prepare_to_resume);
+
+  /* Add our siginfo layout converter.  */
+  linux_nat_set_siginfo_fixup (t, aarch64_linux_siginfo_fixup);
 }