Remove unused MTMSRD_L macro and re-add accidentally deleted comment.

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

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index fabb515a64bae92eb781429645473c9b3f60f756..7f07e21427409cd8e0e8d43d09dd66785f17e7cb 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) 1998-2012 Free Software Foundation, Inc.
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,14 +23,15 @@
 #include "buildsym.h"
 #include "gdbcmd.h"
 #include "inferior.h"          /* enum CALL_DUMMY_LOCATION et al.  */
-#include "gdb_string.h"
+#include "infrun.h"
 #include "regcache.h"
-#include "gdb_assert.h"
 #include "sim-regno.h"
 #include "gdbcore.h"
 #include "osabi.h"
 #include "target-descriptions.h"
 #include "objfiles.h"
+#include "language.h"
+#include "symtab.h"
 
 #include "version.h"
 
@@ -126,7 +127,7 @@ generic_in_solib_return_trampoline (struct gdbarch *gdbarch,
 }
 
 int
-generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+generic_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   return 0;
 }
@@ -167,17 +168,35 @@ no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg)
 }
 
 void
-default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym)
+default_coff_make_msymbol_special (int val, struct minimal_symbol *msym)
 {
   return;
 }
 
+/* See arch-utils.h.  */
+
 void
-default_coff_make_msymbol_special (int val, struct minimal_symbol *msym)
+default_make_symbol_special (struct symbol *sym, struct objfile *objfile)
 {
   return;
 }
 
+/* See arch-utils.h.  */
+
+CORE_ADDR
+default_adjust_dwarf2_addr (CORE_ADDR pc)
+{
+  return pc;
+}
+
+/* See arch-utils.h.  */
+
+CORE_ADDR
+default_adjust_dwarf2_line (CORE_ADDR addr, int rel)
+{
+  return addr;
+}
+
 int
 cannot_register_not (struct gdbarch *gdbarch, int regnum)
 {
@@ -243,6 +262,14 @@ default_remote_register_number (struct gdbarch *gdbarch,
   return regno;
 }
 
+/* See arch-utils.h.  */
+
+int
+default_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range)
+{
+  return 0;
+}
+
 \f
 /* Functions to manipulate the endianness of the target.  */
 
@@ -476,7 +503,7 @@ set_architecture (char *ignore_args, int from_tty, struct cmd_list_element *c)
 }
 
 /* Try to select a global architecture that matches "info".  Return
-   non-zero if the attempt succeds.  */
+   non-zero if the attempt succeeds.  */
 int
 gdbarch_update_p (struct gdbarch_info info)
 {
@@ -505,7 +532,7 @@ gdbarch_update_p (struct gdbarch_info info)
 
   /* If it is the same old architecture, accept the request (but don't
      swap anything).  */
-  if (new_gdbarch == target_gdbarch)
+  if (new_gdbarch == target_gdbarch ())
     {
       if (gdbarch_debug)
        fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: "
@@ -521,7 +548,7 @@ gdbarch_update_p (struct gdbarch_info info)
                        "New architecture %s (%s) selected\n",
                        host_address_to_string (new_gdbarch),
                        gdbarch_bfd_arch_info (new_gdbarch)->printable_name);
-  deprecated_target_gdbarch_select_hack (new_gdbarch);
+  set_target_gdbarch (new_gdbarch);
 
   return 1;
 }
@@ -555,7 +582,7 @@ set_gdbarch_from_file (bfd *abfd)
 
   if (gdbarch == NULL)
     error (_("Architecture of file not recognized."));
-  deprecated_target_gdbarch_select_hack (gdbarch);
+  set_target_gdbarch (gdbarch);
 }
 
 /* Initialize the current architecture.  Update the ``set
@@ -634,7 +661,7 @@ initialize_current_architecture (void)
       chp = strchr (target_name, '-');
       if (chp != NULL
          && chp - 2 >= target_name
-         && strncmp (chp - 2, "el", 2) == 0)
+         && startswith (chp - 2, "el"))
        default_byte_order = BFD_ENDIAN_LITTLE;
     }
   if (default_byte_order == BFD_ENDIAN_UNKNOWN)
@@ -756,7 +783,7 @@ get_current_arch (void)
   if (has_stack_frames ())
     return get_frame_arch (get_selected_frame (NULL));
   else
-    return target_gdbarch;
+    return target_gdbarch ();
 }
 
 int
@@ -794,18 +821,72 @@ default_gen_return_address (struct gdbarch *gdbarch,
 }
 
 int
-default_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts)
+default_return_in_first_hidden_param_p (struct gdbarch *gdbarch,
+                                       struct type *type)
 {
-  return target_signal_to_host (ts);
+  /* Usually, the return value's address is stored the in the "first hidden"
+     parameter if the return value should be passed by reference, as
+     specified in ABI.  */
+  return language_pass_by_reference (type);
 }
 
-enum target_signal
-default_target_signal_from_host (struct gdbarch *gdbarch, int signo)
+int default_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr)
 {
-  return target_signal_from_host (signo);
+  return 0;
+}
+
+int default_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr)
+{
+  return 0;
 }
 
-/* */
+int default_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr)
+{
+  return 0;
+}
+
+void
+default_skip_permanent_breakpoint (struct regcache *regcache)
+{
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  CORE_ADDR current_pc = regcache_read_pc (regcache);
+  const gdb_byte *bp_insn;
+  int bp_len;
+
+  bp_insn = gdbarch_breakpoint_from_pc (gdbarch, &current_pc, &bp_len);
+  current_pc += bp_len;
+  regcache_write_pc (regcache, current_pc);
+}
+
+CORE_ADDR
+default_infcall_mmap (CORE_ADDR size, unsigned prot)
+{
+  error (_("This target does not support inferior memory allocation by mmap."));
+}
+
+void
+default_infcall_munmap (CORE_ADDR addr, CORE_ADDR size)
+{
+  /* Memory reserved by inferior mmap is kept leaked.  */
+}
+
+/* -mcmodel=large is used so that no GOT (Global Offset Table) is needed to be
+   created in inferior memory by GDB (normally it is set by ld.so).  */
+
+char *
+default_gcc_target_options (struct gdbarch *gdbarch)
+{
+  return xstrprintf ("-m%d%s", gdbarch_ptr_bit (gdbarch),
+                    gdbarch_ptr_bit (gdbarch) == 64 ? " -mcmodel=large" : "");
+}
+
+/* gdbarch gnu_triplet_regexp method.  */
+
+const char *
+default_gnu_triplet_regexp (struct gdbarch *gdbarch)
+{
+  return gdbarch_bfd_arch_info (gdbarch)->arch_name;
+}
 
 /* -Wmissing-prototypes */
 extern initialize_file_ftype _initialize_gdbarch_utils;