1 files changed, 83 insertions, 51 deletions

diff --git a/gdb/gdbarch-gen.c b/gdb/gdbarch-gen.c
index fc570d3..7887b13 100644
--- a/gdb/gdbarch-gen.c
+++ b/gdb/gdbarch-gen.c
@@ -153,7 +153,7 @@ struct gdbarch
   gdbarch_set_memtags_ftype *set_memtags = default_set_memtags;
   gdbarch_get_memtag_ftype *get_memtag = default_get_memtag;
   CORE_ADDR memtag_granule_size = 0;
-  gdbarch_software_single_step_ftype *software_single_step = nullptr;
+  gdbarch_get_next_pcs_ftype *get_next_pcs = nullptr;
   gdbarch_single_step_through_delay_ftype *single_step_through_delay = nullptr;
   gdbarch_print_insn_ftype *print_insn = default_print_insn;
   gdbarch_skip_trampoline_code_ftype *skip_trampoline_code = generic_skip_trampoline_code;
@@ -240,7 +240,6 @@ struct gdbarch
   gdbarch_gen_return_address_ftype *gen_return_address = default_gen_return_address;
   gdbarch_info_proc_ftype *info_proc = nullptr;
   gdbarch_core_info_proc_ftype *core_info_proc = nullptr;
-  gdbarch_iterate_over_objfiles_in_search_order_ftype *iterate_over_objfiles_in_search_order = default_iterate_over_objfiles_in_search_order;
   struct ravenscar_arch_ops * ravenscar_ops = NULL;
   gdbarch_insn_is_call_ftype *insn_is_call = default_insn_is_call;
   gdbarch_insn_is_ret_ftype *insn_is_ret = default_insn_is_ret;
@@ -262,6 +261,8 @@ struct gdbarch
   gdbarch_read_core_file_mappings_ftype *read_core_file_mappings = default_read_core_file_mappings;
   gdbarch_use_target_description_from_corefile_notes_ftype *use_target_description_from_corefile_notes = default_use_target_description_from_corefile_notes;
   gdbarch_core_parse_exec_context_ftype *core_parse_exec_context = default_core_parse_exec_context;
+  gdbarch_shadow_stack_push_ftype *shadow_stack_push = nullptr;
+  gdbarch_get_shadow_stack_pointer_ftype *get_shadow_stack_pointer = default_get_shadow_stack_pointer;
 };
 
 /* Create a new ``struct gdbarch'' based on information provided by
@@ -421,7 +422,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of set_memtags, invalid_p == 0.  */
   /* Skip verify of get_memtag, invalid_p == 0.  */
   /* Skip verify of memtag_granule_size, invalid_p == 0.  */
-  /* Skip verify of software_single_step, has predicate.  */
+  /* Skip verify of get_next_pcs, has predicate.  */
   /* Skip verify of single_step_through_delay, has predicate.  */
   /* Skip verify of print_insn, invalid_p == 0.  */
   /* Skip verify of skip_trampoline_code, invalid_p == 0.  */
@@ -513,7 +514,6 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of gen_return_address, invalid_p == 0.  */
   /* Skip verify of info_proc, has predicate.  */
   /* Skip verify of core_info_proc, has predicate.  */
-  /* Skip verify of iterate_over_objfiles_in_search_order, invalid_p == 0.  */
   /* Skip verify of ravenscar_ops, invalid_p == 0.  */
   /* Skip verify of insn_is_call, invalid_p == 0.  */
   /* Skip verify of insn_is_ret, invalid_p == 0.  */
@@ -535,6 +535,8 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of read_core_file_mappings, invalid_p == 0.  */
   /* Skip verify of use_target_description_from_corefile_notes, invalid_p == 0.  */
   /* Skip verify of core_parse_exec_context, invalid_p == 0.  */
+  /* Skip verify of shadow_stack_push, has predicate.  */
+  /* Skip verify of get_shadow_stack_pointer, invalid_p == 0.  */
   if (!log.empty ())
     internal_error (_("verify_gdbarch: the following are invalid ...%s"),
 		    log.c_str ());
@@ -948,11 +950,11 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
 	      "gdbarch_dump: memtag_granule_size = %s\n",
 	      core_addr_to_string_nz (gdbarch->memtag_granule_size));
   gdb_printf (file,
-	      "gdbarch_dump: gdbarch_software_single_step_p() = %d\n",
-	      gdbarch_software_single_step_p (gdbarch));
+	      "gdbarch_dump: gdbarch_get_next_pcs_p() = %d\n",
+	      gdbarch_get_next_pcs_p (gdbarch));
   gdb_printf (file,
-	      "gdbarch_dump: software_single_step = <%s>\n",
-	      host_address_to_string (gdbarch->software_single_step));
+	      "gdbarch_dump: get_next_pcs = <%s>\n",
+	      host_address_to_string (gdbarch->get_next_pcs));
   gdb_printf (file,
 	      "gdbarch_dump: gdbarch_single_step_through_delay_p() = %d\n",
 	      gdbarch_single_step_through_delay_p (gdbarch));
@@ -1338,9 +1340,6 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
 	      "gdbarch_dump: core_info_proc = <%s>\n",
 	      host_address_to_string (gdbarch->core_info_proc));
   gdb_printf (file,
-	      "gdbarch_dump: iterate_over_objfiles_in_search_order = <%s>\n",
-	      host_address_to_string (gdbarch->iterate_over_objfiles_in_search_order));
-  gdb_printf (file,
 	      "gdbarch_dump: ravenscar_ops = %s\n",
 	      host_address_to_string (gdbarch->ravenscar_ops));
   gdb_printf (file,
@@ -1406,6 +1405,15 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   gdb_printf (file,
 	      "gdbarch_dump: core_parse_exec_context = <%s>\n",
 	      host_address_to_string (gdbarch->core_parse_exec_context));
+  gdb_printf (file,
+	      "gdbarch_dump: gdbarch_shadow_stack_push_p() = %d\n",
+	      gdbarch_shadow_stack_push_p (gdbarch));
+  gdb_printf (file,
+	      "gdbarch_dump: shadow_stack_push = <%s>\n",
+	      host_address_to_string (gdbarch->shadow_stack_push));
+  gdb_printf (file,
+	      "gdbarch_dump: get_shadow_stack_pointer = <%s>\n",
+	      host_address_to_string (gdbarch->get_shadow_stack_pointer));
   if (gdbarch->dump_tdep != NULL)
     gdbarch->dump_tdep (gdbarch, file);
 }
@@ -3388,27 +3396,27 @@ set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch,
 }
 
 bool
-gdbarch_software_single_step_p (struct gdbarch *gdbarch)
+gdbarch_get_next_pcs_p (struct gdbarch *gdbarch)
 {
   gdb_assert (gdbarch != NULL);
-  return gdbarch->software_single_step != NULL;
+  return gdbarch->get_next_pcs != NULL;
 }
 
 std::vector<CORE_ADDR>
-gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache)
+gdbarch_get_next_pcs (struct gdbarch *gdbarch, struct regcache *regcache)
 {
   gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->software_single_step != NULL);
+  gdb_assert (gdbarch->get_next_pcs != NULL);
   if (gdbarch_debug >= 2)
-    gdb_printf (gdb_stdlog, "gdbarch_software_single_step called\n");
-  return gdbarch->software_single_step (regcache);
+    gdb_printf (gdb_stdlog, "gdbarch_get_next_pcs called\n");
+  return gdbarch->get_next_pcs (regcache);
 }
 
 void
-set_gdbarch_software_single_step (struct gdbarch *gdbarch,
-				  gdbarch_software_single_step_ftype software_single_step)
+set_gdbarch_get_next_pcs (struct gdbarch *gdbarch,
+			  gdbarch_get_next_pcs_ftype get_next_pcs)
 {
-  gdbarch->software_single_step = software_single_step;
+  gdbarch->get_next_pcs = get_next_pcs;
 }
 
 bool
@@ -3470,13 +3478,13 @@ set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch,
 }
 
 solib_ops_up
-gdbarch_make_solib_ops (struct gdbarch *gdbarch)
+gdbarch_make_solib_ops (struct gdbarch *gdbarch, program_space *pspace)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->make_solib_ops != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_make_solib_ops called\n");
-  return gdbarch->make_solib_ops ();
+  return gdbarch->make_solib_ops (pspace);
 }
 
 void
@@ -3962,13 +3970,13 @@ gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch)
 }
 
 ULONGEST
-gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
+gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, struct bfd &cbfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_xfer_shared_libraries != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_xfer_shared_libraries called\n");
-  return gdbarch->core_xfer_shared_libraries (gdbarch, readbuf, offset, len);
+  return gdbarch->core_xfer_shared_libraries (gdbarch, cbfd, readbuf, offset, len);
 }
 
 void
@@ -3986,13 +3994,13 @@ gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch)
 }
 
 ULONGEST
-gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
+gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, struct bfd &cbfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_xfer_shared_libraries_aix != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_xfer_shared_libraries_aix called\n");
-  return gdbarch->core_xfer_shared_libraries_aix (gdbarch, readbuf, offset, len);
+  return gdbarch->core_xfer_shared_libraries_aix (gdbarch, cbfd, readbuf, offset, len);
 }
 
 void
@@ -4034,13 +4042,13 @@ gdbarch_core_thread_name_p (struct gdbarch *gdbarch)
 }
 
 const char *
-gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr)
+gdbarch_core_thread_name (struct gdbarch *gdbarch, struct bfd &cbfd, struct thread_info *thr)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_thread_name != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_thread_name called\n");
-  return gdbarch->core_thread_name (gdbarch, thr);
+  return gdbarch->core_thread_name (gdbarch, cbfd, thr);
 }
 
 void
@@ -4058,13 +4066,13 @@ gdbarch_core_xfer_siginfo_p (struct gdbarch *gdbarch)
 }
 
 LONGEST
-gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
+gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, struct bfd &cbfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_xfer_siginfo != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_xfer_siginfo called\n");
-  return gdbarch->core_xfer_siginfo (gdbarch, readbuf, offset, len);
+  return gdbarch->core_xfer_siginfo (gdbarch, cbfd, readbuf, offset, len);
 }
 
 void
@@ -4082,13 +4090,13 @@ gdbarch_core_read_x86_xsave_layout_p (struct gdbarch *gdbarch)
 }
 
 bool
-gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, x86_xsave_layout &xsave_layout)
+gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, struct bfd &cbfd, x86_xsave_layout &xsave_layout)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_read_x86_xsave_layout != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_read_x86_xsave_layout called\n");
-  return gdbarch->core_read_x86_xsave_layout (gdbarch, xsave_layout);
+  return gdbarch->core_read_x86_xsave_layout (gdbarch, cbfd, xsave_layout);
 }
 
 void
@@ -5155,13 +5163,13 @@ gdbarch_core_info_proc_p (struct gdbarch *gdbarch)
 }
 
 void
-gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what)
+gdbarch_core_info_proc (struct gdbarch *gdbarch, struct bfd *cbfd, const char *args, enum info_proc_what what)
 {
   gdb_assert (gdbarch != NULL);
   gdb_assert (gdbarch->core_info_proc != NULL);
   if (gdbarch_debug >= 2)
     gdb_printf (gdb_stdlog, "gdbarch_core_info_proc called\n");
-  gdbarch->core_info_proc (gdbarch, args, what);
+  gdbarch->core_info_proc (gdbarch, cbfd, args, what);
 }
 
 void
@@ -5171,23 +5179,6 @@ set_gdbarch_core_info_proc (struct gdbarch *gdbarch,
   gdbarch->core_info_proc = core_info_proc;
 }
 
-void
-gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb, struct objfile *current_objfile)
-{
-  gdb_assert (gdbarch != NULL);
-  gdb_assert (gdbarch->iterate_over_objfiles_in_search_order != NULL);
-  if (gdbarch_debug >= 2)
-    gdb_printf (gdb_stdlog, "gdbarch_iterate_over_objfiles_in_search_order called\n");
-  gdbarch->iterate_over_objfiles_in_search_order (gdbarch, cb, current_objfile);
-}
-
-void
-set_gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch,
-						   gdbarch_iterate_over_objfiles_in_search_order_ftype iterate_over_objfiles_in_search_order)
-{
-  gdbarch->iterate_over_objfiles_in_search_order = iterate_over_objfiles_in_search_order;
-}
-
 struct ravenscar_arch_ops *
 gdbarch_ravenscar_ops (struct gdbarch *gdbarch)
 {
@@ -5551,3 +5542,44 @@ set_gdbarch_core_parse_exec_context (struct gdbarch *gdbarch,
 {
   gdbarch->core_parse_exec_context = core_parse_exec_context;
 }
+
+bool
+gdbarch_shadow_stack_push_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->shadow_stack_push != NULL;
+}
+
+void
+gdbarch_shadow_stack_push (struct gdbarch *gdbarch, CORE_ADDR new_addr, regcache *regcache)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->shadow_stack_push != NULL);
+  if (gdbarch_debug >= 2)
+    gdb_printf (gdb_stdlog, "gdbarch_shadow_stack_push called\n");
+  gdbarch->shadow_stack_push (gdbarch, new_addr, regcache);
+}
+
+void
+set_gdbarch_shadow_stack_push (struct gdbarch *gdbarch,
+			       gdbarch_shadow_stack_push_ftype shadow_stack_push)
+{
+  gdbarch->shadow_stack_push = shadow_stack_push;
+}
+
+std::optional<CORE_ADDR>
+gdbarch_get_shadow_stack_pointer (struct gdbarch *gdbarch, regcache *regcache, bool &shadow_stack_enabled)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->get_shadow_stack_pointer != NULL);
+  if (gdbarch_debug >= 2)
+    gdb_printf (gdb_stdlog, "gdbarch_get_shadow_stack_pointer called\n");
+  return gdbarch->get_shadow_stack_pointer (gdbarch, regcache, shadow_stack_enabled);
+}
+
+void
+set_gdbarch_get_shadow_stack_pointer (struct gdbarch *gdbarch,
+				      gdbarch_get_shadow_stack_pointer_ftype get_shadow_stack_pointer)
+{
+  gdbarch->get_shadow_stack_pointer = get_shadow_stack_pointer;
+}