[AArch64] Use debug_printf instead of fprintf_unfiltered

[deliverable/binutils-gdb.git] / gdb / arm-linux-tdep.c

diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c
index fd0ef5bfdd471493eeff6d057cc6d55b1c6c7295..bc2cec4197c523a27f29aed4891f350d72baf19c 100644 (file)
--- a/gdb/arm-linux-tdep.c
+++ b/gdb/arm-linux-tdep.c
@@ -917,6 +917,11 @@ arm_linux_software_single_step (struct frame_info *frame)
   if (arm_deal_with_atomic_sequence (frame))
     return 1;
 
+  /* If the target does have hardware single step, GDB doesn't have
+     to bother software single step.  */
+  if (target_can_do_single_step () == 1)
+    return 0;
+
   next_pc = arm_get_next_pc (frame, get_frame_pc (frame));
 
   /* The Linux kernel offers some user-mode helpers in a high page.  We can
@@ -1100,8 +1105,7 @@ arm_linux_displaced_step_copy_insn (struct gdbarch *gdbarch,
                                    CORE_ADDR from, CORE_ADDR to,
                                    struct regcache *regs)
 {
-  struct displaced_step_closure *dsc
-    = xmalloc (sizeof (struct displaced_step_closure));
+  struct displaced_step_closure *dsc = XNEW (struct displaced_step_closure);
 
   /* Detect when we enter an (inaccessible by GDB) Linux kernel helper, and
      stop at the return location.  */
@@ -1267,7 +1271,7 @@ arm_canonicalize_syscall (int syscall)
   else if (syscall >= 248 && syscall <= 253)
     return syscall + 4;
 
-  return -1;
+  return gdb_sys_no_syscall;
 }
 
 /* Record all registers but PC register for process-record.  */
@@ -1299,7 +1303,7 @@ arm_linux_syscall_record (struct regcache *regcache, unsigned long svc_number)
 
   syscall_gdb = arm_canonicalize_syscall (svc_number);
 
-  if (syscall_gdb < 0)
+  if (syscall_gdb == gdb_sys_no_syscall)
     {
       printf_unfiltered (_("Process record and replay target doesn't "
                            "support syscall number %s\n"),
@@ -1440,8 +1444,6 @@ arm_linux_init_abi (struct gdbarch_info info,
     (gdbarch, arm_linux_iterate_over_regset_sections);
   set_gdbarch_core_read_description (gdbarch, arm_linux_core_read_description);
 
-  set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
-
   /* Displaced stepping.  */
   set_gdbarch_displaced_step_copy_insn (gdbarch,
                                        arm_linux_displaced_step_copy_insn);