doc: Add table of MI versions

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

diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index dd7c89d94802ce0218eee2b581553ce4d9cc5d86..434ee3bfcf04ef0bc2f1e4c4888b6b425ad6533e 100644 (file)
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -3,7 +3,7 @@
 
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2018 Free Software Foundation, Inc.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -48,6 +48,8 @@
 #include "regcache.h"
 #include "objfiles.h"
 #include "auxv.h"
+#include "frame-unwind.h"
+#include "dummy-frame.h"
 
 /* Static function declarations */
 
@@ -175,7 +177,6 @@ struct gdbarch
   int int_bit;
   int long_bit;
   int long_long_bit;
-  int long_long_align_bit;
   int half_bit;
   const struct floatformat ** half_format;
   int float_bit;
@@ -351,8 +352,9 @@ struct gdbarch
   gdbarch_gcc_target_options_ftype *gcc_target_options;
   gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp;
   gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size;
+  const char * disassembler_options_implicit;
   char ** disassembler_options;
-  const disasm_options_t * valid_disassembler_options;
+  const disasm_options_and_args_t * valid_disassembler_options;
   gdbarch_type_align_ftype *type_align;
 };
 
@@ -389,7 +391,6 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->int_bit = 4*TARGET_CHAR_BIT;
   gdbarch->long_bit = 4*TARGET_CHAR_BIT;
   gdbarch->long_long_bit = 2*gdbarch->long_bit;
-  gdbarch->long_long_align_bit = 2*gdbarch->long_bit;
   gdbarch->half_bit = 2*TARGET_CHAR_BIT;
   gdbarch->float_bit = 4*TARGET_CHAR_BIT;
   gdbarch->double_bit = 8*TARGET_CHAR_BIT;
@@ -409,6 +410,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->ecoff_reg_to_regnum = no_op_reg_to_regnum;
   gdbarch->sdb_reg_to_regnum = no_op_reg_to_regnum;
   gdbarch->dwarf2_reg_to_regnum = no_op_reg_to_regnum;
+  gdbarch->dummy_id = default_dummy_id;
   gdbarch->deprecated_fp_regnum = -1;
   gdbarch->call_dummy_location = AT_ENTRY_POINT;
   gdbarch->code_of_frame_writable = default_code_of_frame_writable;
@@ -428,6 +430,8 @@ gdbarch_alloc (const struct gdbarch_info *info,
   gdbarch->memory_insert_breakpoint = default_memory_insert_breakpoint;
   gdbarch->memory_remove_breakpoint = default_memory_remove_breakpoint;
   gdbarch->remote_register_number = default_remote_register_number;
+  gdbarch->unwind_pc = default_unwind_pc;
+  gdbarch->unwind_sp = default_unwind_sp;
   gdbarch->stabs_argument_has_addr = default_stabs_argument_has_addr;
   gdbarch->convert_from_func_ptr_addr = convert_from_func_ptr_addr_identity;
   gdbarch->addr_bits_remove = core_addr_identity;
@@ -473,15 +477,10 @@ gdbarch_alloc (const struct gdbarch_info *info,
 }
 
 
-/* Allocate extra space using the per-architecture obstack.  */
 
-void *
-gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
+obstack *gdbarch_obstack (gdbarch *arch)
 {
-  void *data = obstack_alloc (arch->obstack, size);
-
-  memset (data, 0, size);
-  return data;
+  return arch->obstack;
 }
 
 /* See gdbarch.h.  */
@@ -530,7 +529,6 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of int_bit, invalid_p == 0 */
   /* Skip verify of long_bit, invalid_p == 0 */
   /* Skip verify of long_long_bit, invalid_p == 0 */
-  /* Skip verify of long_long_align_bit, invalid_p == 0 */
   /* Skip verify of half_bit, invalid_p == 0 */
   if (gdbarch->half_format == 0)
     gdbarch->half_format = floatformats_ieee_half;
@@ -577,7 +575,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   if (gdbarch->register_name == 0)
     log.puts ("\n\tregister_name");
   /* Skip verify of register_type, has predicate.  */
-  /* Skip verify of dummy_id, has predicate.  */
+  /* Skip verify of dummy_id, invalid_p == 0 */
   /* Skip verify of deprecated_fp_regnum, invalid_p == 0 */
   /* Skip verify of push_dummy_call, has predicate.  */
   /* Skip verify of call_dummy_location, invalid_p == 0 */
@@ -616,15 +614,14 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of remote_register_number, invalid_p == 0 */
   /* Skip verify of fetch_tls_load_module_address, has predicate.  */
   /* Skip verify of frame_args_skip, invalid_p == 0 */
-  /* Skip verify of unwind_pc, has predicate.  */
-  /* Skip verify of unwind_sp, has predicate.  */
+  /* Skip verify of unwind_pc, invalid_p == 0 */
+  /* Skip verify of unwind_sp, invalid_p == 0 */
   /* Skip verify of frame_num_args, has predicate.  */
   /* Skip verify of frame_align, has predicate.  */
   /* Skip verify of stabs_argument_has_addr, invalid_p == 0 */
   /* Skip verify of convert_from_func_ptr_addr, invalid_p == 0 */
   /* Skip verify of addr_bits_remove, invalid_p == 0 */
-  if (gdbarch->significant_addr_bit == 0)
-    gdbarch->significant_addr_bit = gdbarch_addr_bit (gdbarch);
+  /* Skip verify of significant_addr_bit, invalid_p == 0 */
   /* Skip verify of software_single_step, has predicate.  */
   /* Skip verify of single_step_through_delay, has predicate.  */
   /* Skip verify of print_insn, invalid_p == 0 */
@@ -716,6 +713,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of gcc_target_options, invalid_p == 0 */
   /* Skip verify of gnu_triplet_regexp, invalid_p == 0 */
   /* Skip verify of addressable_memory_unit_size, invalid_p == 0 */
+  /* Skip verify of disassembler_options_implicit, invalid_p == 0 */
   /* 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 */
@@ -910,6 +908,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: disassembler_options = %s\n",
                       pstring_ptr (gdbarch->disassembler_options));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: disassembler_options_implicit = %s\n",
+                      pstring (gdbarch->disassembler_options_implicit));
   fprintf_unfiltered (file,
                       "gdbarch_dump: gdbarch_displaced_step_copy_insn_p() = %d\n",
                       gdbarch_displaced_step_copy_insn_p (gdbarch));
@@ -958,9 +959,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: dtrace_probe_is_enabled = <%s>\n",
                       host_address_to_string (gdbarch->dtrace_probe_is_enabled));
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_dummy_id_p() = %d\n",
-                      gdbarch_dummy_id_p (gdbarch));
   fprintf_unfiltered (file,
                       "gdbarch_dump: dummy_id = <%s>\n",
                       host_address_to_string (gdbarch->dummy_id));
@@ -1165,9 +1163,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: long_double_format = %s\n",
                       pformat (gdbarch->long_double_format));
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: long_long_align_bit = %s\n",
-                      plongest (gdbarch->long_long_align_bit));
   fprintf_unfiltered (file,
                       "gdbarch_dump: long_long_bit = %s\n",
                       plongest (gdbarch->long_long_bit));
@@ -1447,15 +1442,9 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   fprintf_unfiltered (file,
                       "gdbarch_dump: type_align = <%s>\n",
                       host_address_to_string (gdbarch->type_align));
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_unwind_pc_p() = %d\n",
-                      gdbarch_unwind_pc_p (gdbarch));
   fprintf_unfiltered (file,
                       "gdbarch_dump: unwind_pc = <%s>\n",
                       host_address_to_string (gdbarch->unwind_pc));
-  fprintf_unfiltered (file,
-                      "gdbarch_dump: gdbarch_unwind_sp_p() = %d\n",
-                      gdbarch_unwind_sp_p (gdbarch));
   fprintf_unfiltered (file,
                       "gdbarch_dump: unwind_sp = <%s>\n",
                       host_address_to_string (gdbarch->unwind_sp));
@@ -1638,23 +1627,6 @@ set_gdbarch_long_long_bit (struct gdbarch *gdbarch,
   gdbarch->long_long_bit = long_long_bit;
 }
 
-int
-gdbarch_long_long_align_bit (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  /* Skip verify of long_long_align_bit, invalid_p == 0 */
-  if (gdbarch_debug >= 2)
-    fprintf_unfiltered (gdb_stdlog, "gdbarch_long_long_align_bit called\n");
-  return gdbarch->long_long_align_bit;
-}
-
-void
-set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch,
-                                 int long_long_align_bit)
-{
-  gdbarch->long_long_align_bit = long_long_align_bit;
-}
-
 int
 gdbarch_half_bit (struct gdbarch *gdbarch)
 {
@@ -2331,13 +2303,6 @@ set_gdbarch_register_type (struct gdbarch *gdbarch,
   gdbarch->register_type = register_type;
 }
 
-int
-gdbarch_dummy_id_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->dummy_id != NULL;
-}
-
 struct frame_id
 gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
 {
@@ -2380,13 +2345,13 @@ gdbarch_push_dummy_call_p (struct gdbarch *gdbarch)
 }
 
 CORE_ADDR
-gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
+gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, function_call_return_method return_method, CORE_ADDR struct_addr)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->push_dummy_call != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_push_dummy_call called\n");
-  return gdbarch->push_dummy_call (gdbarch, function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr);
+  return gdbarch->push_dummy_call (gdbarch, function, regcache, bp_addr, nargs, args, sp, return_method, struct_addr);
 }
 
 void
@@ -3070,13 +3035,6 @@ set_gdbarch_frame_args_skip (struct gdbarch *gdbarch,
   gdbarch->frame_args_skip = frame_args_skip;
 }
 
-int
-gdbarch_unwind_pc_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->unwind_pc != NULL;
-}
-
 CORE_ADDR
 gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
 {
@@ -3094,13 +3052,6 @@ set_gdbarch_unwind_pc (struct gdbarch *gdbarch,
   gdbarch->unwind_pc = unwind_pc;
 }
 
-int
-gdbarch_unwind_sp_p (struct gdbarch *gdbarch)
-{
-  gdb_assert (gdbarch != NULL);
-  return gdbarch->unwind_sp != NULL;
-}
-
 CORE_ADDR
 gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
 {
@@ -3237,6 +3188,7 @@ int
 gdbarch_significant_addr_bit (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
+  /* Skip verify of significant_addr_bit, invalid_p == 0 */
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_significant_addr_bit called\n");
   return gdbarch->significant_addr_bit;
@@ -4297,13 +4249,13 @@ gdbarch_get_syscall_number_p (struct gdbarch *gdbarch)
 }
 
 LONGEST
-gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid)
+gdbarch_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->get_syscall_number != NULL);
   if (gdbarch_debug >= 2)
     fprintf_unfiltered (gdb_stdlog, "gdbarch_get_syscall_number called\n");
-  return gdbarch->get_syscall_number (gdbarch, ptid);
+  return gdbarch->get_syscall_number (gdbarch, thread);
 }
 
 void
@@ -5072,6 +5024,23 @@ set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch,
   gdbarch->addressable_memory_unit_size = addressable_memory_unit_size;
 }
 
+const char *
+gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  /* Skip verify of disassembler_options_implicit, invalid_p == 0 */
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_disassembler_options_implicit called\n");
+  return gdbarch->disassembler_options_implicit;
+}
+
+void
+set_gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch,
+                                           const char * disassembler_options_implicit)
+{
+  gdbarch->disassembler_options_implicit = disassembler_options_implicit;
+}
+
 char **
 gdbarch_disassembler_options (struct gdbarch *gdbarch)
 {
@@ -5089,7 +5058,7 @@ set_gdbarch_disassembler_options (struct gdbarch *gdbarch,
   gdbarch->disassembler_options = disassembler_options;
 }
 
-const disasm_options_t *
+const disasm_options_and_args_t *
 gdbarch_valid_disassembler_options (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
@@ -5101,7 +5070,7 @@ gdbarch_valid_disassembler_options (struct gdbarch *gdbarch)
 
 void
 set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch,
-                                        const disasm_options_t * valid_disassembler_options)
+                                        const disasm_options_and_args_t * valid_disassembler_options)
 {
   gdbarch->valid_disassembler_options = valid_disassembler_options;
 }