[ARM] PR ld/21402, only override the symbol dynamic decision on undefined weak symbol.

[deliverable/binutils-gdb.git] / gdb / arch-utils.c

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index 776dabc79fcc6318e2856916e944f695b05b8b47..02ffd6b574f5fb1c7a80af77ceca0a8ea02b34c1 100644 (file)
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -1,6 +1,6 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2016 Free Software Foundation, Inc.
+   Copyright (C) 1998-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -37,6 +37,7 @@
 
 #include "floatformat.h"
 
+#include "dis-asm.h"
 
 struct displaced_step_closure *
 simple_displaced_step_copy_insn (struct gdbarch *gdbarch,
@@ -59,14 +60,6 @@ simple_displaced_step_copy_insn (struct gdbarch *gdbarch,
   return (struct displaced_step_closure *) buf;
 }
 
-
-void
-simple_displaced_step_free_closure (struct gdbarch *gdbarch,
-                                    struct displaced_step_closure *closure)
-{
-  xfree (closure);
-}
-
 int
 default_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
                                      struct displaced_step_closure *closure)
@@ -204,6 +197,15 @@ default_adjust_dwarf2_line (CORE_ADDR addr, int rel)
   return addr;
 }
 
+/* See arch-utils.h.  */
+
+bool
+default_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdb_byte op,
+                                    struct dwarf2_frame_state *fs)
+{
+  return false;
+}
+
 int
 cannot_register_not (struct gdbarch *gdbarch, int regnum)
 {
@@ -840,13 +842,23 @@ default_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
   return 1;
 }
 
-void
-default_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
-                                  int *kindptr)
+const gdb_byte *
+default_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
+                           int *lenptr)
+{
+  int kind = gdbarch_breakpoint_kind_from_pc (gdbarch, pcptr);
+
+  return gdbarch_sw_breakpoint_from_kind (gdbarch, kind, lenptr);
+}
+int
+default_breakpoint_kind_from_current_state (struct gdbarch *gdbarch,
+                                           struct regcache *regcache,
+                                           CORE_ADDR *pcptr)
 {
-  gdbarch_breakpoint_from_pc (gdbarch, pcptr, kindptr);
+  return gdbarch_breakpoint_kind_from_pc (gdbarch, pcptr);
 }
 
+
 void
 default_gen_return_address (struct gdbarch *gdbarch,
                            struct agent_expr *ax, struct axs_value *value,
@@ -954,8 +966,35 @@ default_guess_tracepoint_registers (struct gdbarch *gdbarch,
   regcache_raw_supply (regcache, pc_regno, regs);
 }
 
-/* -Wmissing-prototypes */
-extern initialize_file_ftype _initialize_gdbarch_utils;
+int
+default_print_insn (bfd_vma memaddr, disassemble_info *info)
+{
+  disassembler_ftype disassemble_fn;
+
+  disassemble_fn = disassembler (info->arch, info->endian == BFD_ENDIAN_BIG,
+                                info->mach, exec_bfd);
+
+  gdb_assert (disassemble_fn != NULL);
+  return (*disassemble_fn) (memaddr, info);
+}
+
+/* See arch-utils.h.  */
+
+CORE_ADDR
+gdbarch_skip_prologue_noexcept (gdbarch *gdbarch, CORE_ADDR pc) noexcept
+{
+  CORE_ADDR new_pc = pc;
+
+  TRY
+    {
+      new_pc = gdbarch_skip_prologue (gdbarch, pc);
+    }
+  CATCH (ex, RETURN_MASK_ALL)
+    {}
+  END_CATCH
+
+  return new_pc;
+}
 
 void
 _initialize_gdbarch_utils (void)