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[deliverable/binutils-gdb.git] / gdb / gdbarch.c

diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index a0c169d74d44874a45fe880d848c8ce2f70e8cbb..ab9bf1f5f48523786ddea5bb6d7108d79275891b 100644 (file)
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -3,7 +3,7 @@
 
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   Copyright (C) 1998-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -172,7 +172,6 @@ struct gdbarch
 
      */
 
-  int bits_big_endian;
   int short_bit;
   int int_bit;
   int long_bit;
@@ -324,6 +323,7 @@ struct gdbarch
   const char * stap_gdb_register_suffix;
   gdbarch_stap_is_single_operand_ftype *stap_is_single_operand;
   gdbarch_stap_parse_special_token_ftype *stap_parse_special_token;
+  gdbarch_stap_adjust_register_ftype *stap_adjust_register;
   gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument;
   gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled;
   gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe;
@@ -357,6 +357,7 @@ struct gdbarch
   char ** disassembler_options;
   const disasm_options_and_args_t * valid_disassembler_options;
   gdbarch_type_align_ftype *type_align;
+  gdbarch_get_pc_address_flags_ftype *get_pc_address_flags;
 };
 
 /* Create a new ``struct gdbarch'' based on information provided by
@@ -387,7 +388,6 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->target_desc = info->target_desc;
 
   /* Force the explicit initialization of these.  */
-  gdbarch->bits_big_endian = (gdbarch->byte_order == BFD_ENDIAN_BIG);
   gdbarch->short_bit = 2*TARGET_CHAR_BIT;
   gdbarch->int_bit = 4*TARGET_CHAR_BIT;
   gdbarch->long_bit = 4*TARGET_CHAR_BIT;
@@ -472,6 +472,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->gnu_triplet_regexp = default_gnu_triplet_regexp;
   gdbarch->addressable_memory_unit_size = default_addressable_memory_unit_size;
   gdbarch->type_align = default_type_align;
+  gdbarch->get_pc_address_flags = default_get_pc_address_flags;
   /* gdbarch_alloc() */
 
   return gdbarch;
@@ -525,7 +526,6 @@ verify_gdbarch (struct gdbarch *gdbarch)
   if (gdbarch->bfd_arch_info == NULL)
     log.puts ("\n\tbfd_arch_info");
   /* Check those that need to be defined for the given multi-arch level.  */
-  /* Skip verify of bits_big_endian, invalid_p == 0 */
   /* Skip verify of short_bit, invalid_p == 0 */
   /* Skip verify of int_bit, invalid_p == 0 */
   /* Skip verify of long_bit, invalid_p == 0 */
@@ -687,6 +687,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of stap_gdb_register_suffix, invalid_p == 0 */
   /* Skip verify of stap_is_single_operand, has predicate.  */
   /* Skip verify of stap_parse_special_token, has predicate.  */
+  /* Skip verify of stap_adjust_register, has predicate.  */
   /* Skip verify of dtrace_parse_probe_argument, has predicate.  */
   /* Skip verify of dtrace_probe_is_enabled, has predicate.  */
   /* Skip verify of dtrace_enable_probe, has predicate.  */
@@ -719,6 +720,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of disassembler_options, invalid_p == 0 */
   /* Skip verify of valid_disassembler_options, invalid_p == 0 */
   /* Skip verify of type_align, invalid_p == 0 */
+  /* Skip verify of get_pc_address_flags, invalid_p == 0 */
   if (!log.empty ())
     internal_error (__FILE__, __LINE__,
                     _("verify_gdbarch: the following are invalid ...%s"),
@@ -811,9 +813,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: bfd_arch_info = %s\n",
                       gdbarch_bfd_arch_info (gdbarch)->printable_name);
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: bits_big_endian = %s\n",
-                      plongest (gdbarch->bits_big_endian));
   fprintf_unfiltered (file,
                       "gdbarch_dump: breakpoint_from_pc = <%s>\n",
                       host_address_to_string (gdbarch->breakpoint_from_pc));
@@ -1063,6 +1062,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: get_longjmp_target = <%s>\n",
                       host_address_to_string (gdbarch->get_longjmp_target));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: get_pc_address_flags = <%s>\n",
+                      host_address_to_string (gdbarch->get_pc_address_flags));
   fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_get_siginfo_type_p() = %d\n",
                       gdbarch_get_siginfo_type_p (gdbarch));
@@ -1396,6 +1398,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: stack_frame_destroyed_p = <%s>\n",
                       host_address_to_string (gdbarch->stack_frame_destroyed_p));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: gdbarch_stap_adjust_register_p() = %d\n",
+                      gdbarch_stap_adjust_register_p (gdbarch));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: stap_adjust_register = <%s>\n",
+                      host_address_to_string (gdbarch->stap_adjust_register));
   fprintf_unfiltered (file,
                       "gdbarch_dump: stap_gdb_register_prefix = %s\n",
                       pstring (gdbarch->stap_gdb_register_prefix));
@@ -1550,23 +1558,6 @@ gdbarch_target_desc (struct gdbarch *gdbarch)
   return gdbarch->target_desc;
 }
 
-int
-gdbarch_bits_big_endian (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  /* Skip verify of bits_big_endian, invalid_p == 0 */
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_bits_big_endian called\n");
-  return gdbarch->bits_big_endian;
-}
-
-void
-set_gdbarch_bits_big_endian (struct gdbarch *gdbarch,
-                             int bits_big_endian)
-{
-  gdbarch->bits_big_endian = bits_big_endian;
-}
-
 int
 gdbarch_short_bit (struct gdbarch *gdbarch)
 {
@@ -4515,6 +4506,30 @@ set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch,
   gdbarch->stap_parse_special_token = stap_parse_special_token;
 }
 
+int
+gdbarch_stap_adjust_register_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->stap_adjust_register != NULL;
+}
+
+std::string
+gdbarch_stap_adjust_register (struct gdbarch *gdbarch, struct stap_parse_info *p, const std::string &regname, int regnum)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->stap_adjust_register != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_stap_adjust_register called\n");
+  return gdbarch->stap_adjust_register (gdbarch, p, regname, regnum);
+}
+
+void
+set_gdbarch_stap_adjust_register (struct gdbarch *gdbarch,
+                                  gdbarch_stap_adjust_register_ftype stap_adjust_register)
+{
+  gdbarch->stap_adjust_register = stap_adjust_register;
+}
+
 int
 gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch)
 {
@@ -5005,7 +5020,7 @@ set_gdbarch_infcall_munmap (struct gdbarch *gdbarch,
   gdbarch->infcall_munmap = infcall_munmap;
 }
 
-char *
+std::string
 gdbarch_gcc_target_options (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -5124,6 +5139,23 @@ set_gdbarch_type_align (struct gdbarch *gdbarch,
   gdbarch->type_align = type_align;
 }
 
+std::string
+gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, frame_info *frame, CORE_ADDR pc)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->get_pc_address_flags != NULL);
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_get_pc_address_flags called\n");
+  return gdbarch->get_pc_address_flags (frame, pc);
+}
+
+void
+set_gdbarch_get_pc_address_flags (struct gdbarch *gdbarch,
+                                  gdbarch_get_pc_address_flags_ftype get_pc_address_flags)
+{
+  gdbarch->get_pc_address_flags = get_pc_address_flags;
+}
+
 
 /* Keep a registry of per-architecture data-pointers required by GDB
    modules.  */