gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / sparc64-linux-tdep.c

diff --git a/gdb/sparc64-linux-tdep.c b/gdb/sparc64-linux-tdep.c
index 2da978fbf80ced7a3593f292d690cf25935c1362..a7f439fbb04dcc001181b719ac2f94ffa0f310e2 100644 (file)
--- a/gdb/sparc64-linux-tdep.c
+++ b/gdb/sparc64-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux UltraSPARC.
 
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,7 +20,7 @@
 #include "defs.h"
 #include "frame.h"
 #include "frame-unwind.h"
-#include "dwarf2-frame.h"
+#include "dwarf2/frame.h"
 #include "regset.h"
 #include "regcache.h"
 #include "gdbarch.h"
@@ -64,9 +64,9 @@ static const struct tramp_frame sparc64_linux_rt_sigframe =
   SIGTRAMP_FRAME,
   4,
   {
-    { 0x82102065, -1 },                /* mov __NR_rt_sigreturn, %g1 */
-    { 0x91d0206d, -1 },                /* ta  0x6d */
-    { TRAMP_SENTINEL_INSN, -1 }
+    { 0x82102065, ULONGEST_MAX },              /* mov __NR_rt_sigreturn, %g1 */
+    { 0x91d0206d, ULONGEST_MAX },              /* ta  0x6d */
+    { TRAMP_SENTINEL_INSN, ULONGEST_MAX }
   },
   sparc64_linux_sigframe_init
 };
@@ -120,7 +120,7 @@ sparc64_linux_sigframe_init (const struct tramp_frame *self,
    gdbarch hook.
    Displays information related to ADI memory corruptions.  */
 
-void
+static void
 sparc64_linux_handle_segmentation_fault (struct gdbarch *gdbarch,
                                      struct ui_out *uiout)
 {
@@ -130,7 +130,7 @@ sparc64_linux_handle_segmentation_fault (struct gdbarch *gdbarch,
   CORE_ADDR addr = 0;
   long si_code = 0;
 
-  TRY
+  try
     {
       /* Evaluate si_code to see if the segfault is ADI related.  */
       si_code = parse_and_eval_long ("$_siginfo.si_code\n");
@@ -138,11 +138,10 @@ sparc64_linux_handle_segmentation_fault (struct gdbarch *gdbarch,
       if (si_code >= SEGV_ACCADI && si_code <= SEGV_ADIPERR)
         addr = parse_and_eval_long ("$_siginfo._sifields._sigfault.si_addr");
     }
-  CATCH (exception, RETURN_MASK_ALL)
+  catch (const gdb_exception &exception)
     {
       return;
     }
-  END_CATCH
 
   /* Print out ADI event based on sig_code value */
   switch (si_code)
@@ -151,19 +150,19 @@ sparc64_linux_handle_segmentation_fault (struct gdbarch *gdbarch,
       uiout->text ("\n");
       uiout->field_string ("sigcode-meaning", _("ADI disabled"));
       uiout->text (_(" while accessing address "));
-      uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
+      uiout->field_core_addr ("bound-access", gdbarch, addr);
       break;
     case SEGV_ADIDERR: /* disrupting mismatch */
       uiout->text ("\n");
       uiout->field_string ("sigcode-meaning", _("ADI deferred mismatch"));
       uiout->text (_(" while accessing address "));
-      uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
+      uiout->field_core_addr ("bound-access", gdbarch, addr);
       break;
     case SEGV_ADIPERR: /* precise mismatch */
       uiout->text ("\n");
       uiout->field_string ("sigcode-meaning", _("ADI precise mismatch"));
       uiout->text (_(" while accessing address "));
-      uiout->field_fmt ("bound-access", "%s", paddress (gdbarch, addr));
+      uiout->field_core_addr ("bound-access", gdbarch, addr);
       break;
     default:
       break;
@@ -261,7 +260,7 @@ sparc64_linux_collect_core_fpregset (const struct regset *regset,
 static void
 sparc64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
+  struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
   ULONGEST state;
 
   regcache_cooked_write_unsigned (regcache, tdep->pc_regnum, pc);
@@ -282,9 +281,9 @@ sparc64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
 
 static LONGEST
 sparc64_linux_get_syscall_number (struct gdbarch *gdbarch,
-                                 ptid_t ptid)
+                                 thread_info *thread)
 {
-  struct regcache *regcache = get_thread_regcache (ptid);
+  struct regcache *regcache = get_thread_regcache (thread);
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   /* The content of a register.  */
   gdb_byte buf[8];
@@ -294,7 +293,7 @@ sparc64_linux_get_syscall_number (struct gdbarch *gdbarch,
   /* Getting the system call number from the register.
      When dealing with the sparc architecture, this information
      is stored at the %g1 register.  */
-  regcache_cooked_read (regcache, SPARC_G1_REGNUM, buf);
+  regcache->cooked_read (SPARC_G1_REGNUM, buf);
 
   ret = extract_signed_integer (buf, 8, byte_order);
 
@@ -408,13 +407,10 @@ sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_handle_segmentation_fault (gdbarch,
                                         sparc64_linux_handle_segmentation_fault);
 }
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-extern void _initialize_sparc64_linux_tdep (void);
 
+void _initialize_sparc64_linux_tdep ();
 void
-_initialize_sparc64_linux_tdep (void)
+_initialize_sparc64_linux_tdep ()
 {
   gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
                          GDB_OSABI_LINUX, sparc64_linux_init_abi);