diff --git a/gdb/frame.c b/gdb/frame.c
index 3035f87369ca..81836d6d5357 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1452,7 +1452,14 @@ put_frame_register (frame_info_ptr next_frame, int regnum,
 	break;
       }
     case lval_register:
-      get_current_regcache ()->cooked_write (realnum, buf, 1.0f);
+      /* Not sure if that's always true... but we have a problem if not.  */
+      gdb_assert (size == register_size (gdbarch, realnum));
+
+      if (realnum < gdbarch_num_regs (gdbarch)
+	  || !gdbarch_pseudo_register_write_p (gdbarch))
+	get_current_regcache ()->cooked_write (realnum, buf, 1.0f);
+      else
+	gdbarch_pseudo_register_write (gdbarch, next_frame, realnum, buf);
       break;
     default:
       error (_("Attempt to assign to an unmodifiable value."));
diff --git a/gdb/gdbarch-gen.h b/gdb/gdbarch-gen.h
index 3160aa8a9613..9cf58490d0b6 100644
--- a/gdb/gdbarch-gen.h
+++ b/gdb/gdbarch-gen.h
@@ -200,12 +200,25 @@ typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarc
 extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, frame_info_ptr next_frame, int cookednum);
 extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value);
 
+/* Write bytes in BUF to pseudo register with number PSEUDO_REG_NUM.
+
+   Raw registers backing the pseudo register should be written to using
+   NEXT_FRAME. */
+
+extern bool gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, frame_info_ptr next_frame, int pseudo_reg_num, gdb::array_view<const gdb_byte> buf);
+extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, frame_info_ptr next_frame, int pseudo_reg_num, gdb::array_view<const gdb_byte> buf);
+extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write);
+
 /* Write bytes to a pseudo register.
 
    This is marked as deprecated because it gets passed a regcache for
    implementations to write raw registers in.  This doesn't work for unwound
    frames, where the raw registers backing the pseudo registers may have been
-   saved elsewhere. */
+   saved elsewhere.
+
+   Implementations should be migrated to implement pseudo_register_write instead. */
 
 extern bool gdbarch_deprecated_pseudo_register_write_p (struct gdbarch *gdbarch);
 
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index e198d339f6ba..d584305fefb2 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -74,6 +74,7 @@ struct gdbarch
   gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer = legacy_virtual_frame_pointer;
   gdbarch_pseudo_register_read_ftype *pseudo_register_read = nullptr;
   gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value = nullptr;
+  gdbarch_pseudo_register_write_ftype *pseudo_register_write = nullptr;
   gdbarch_deprecated_pseudo_register_write_ftype *deprecated_pseudo_register_write = nullptr;
   int num_regs = -1;
   int num_pseudo_regs = 0;
@@ -330,6 +331,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   /* Skip verify of virtual_frame_pointer, invalid_p == 0 */
   /* Skip verify of pseudo_register_read, has predicate.  */
   /* Skip verify of pseudo_register_read_value, has predicate.  */
+  /* Skip verify of pseudo_register_write, has predicate.  */
   /* Skip verify of deprecated_pseudo_register_write, has predicate.  */
   if (gdbarch->num_regs == -1)
     log.puts ("\n\tnum_regs");
@@ -649,6 +651,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
   gdb_printf (file,
 	      "gdbarch_dump: pseudo_register_read_value = <%s>\n",
 	      host_address_to_string (gdbarch->pseudo_register_read_value));
+  gdb_printf (file,
+	      "gdbarch_dump: gdbarch_pseudo_register_write_p() = %d\n",
+	      gdbarch_pseudo_register_write_p (gdbarch));
+  gdb_printf (file,
+	      "gdbarch_dump: pseudo_register_write = <%s>\n",
+	      host_address_to_string (gdbarch->pseudo_register_write));
   gdb_printf (file,
 	      "gdbarch_dump: gdbarch_deprecated_pseudo_register_write_p() = %d\n",
 	      gdbarch_deprecated_pseudo_register_write_p (gdbarch));
@@ -1902,6 +1910,30 @@ set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch,
   gdbarch->pseudo_register_read_value = pseudo_register_read_value;
 }
 
+bool
+gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch)
+{
+  gdb_assert (gdbarch != NULL);
+  return gdbarch->pseudo_register_write != NULL;
+}
+
+void
+gdbarch_pseudo_register_write (struct gdbarch *gdbarch, frame_info_ptr next_frame, int pseudo_reg_num, gdb::array_view<const gdb_byte> buf)
+{
+  gdb_assert (gdbarch != NULL);
+  gdb_assert (gdbarch->pseudo_register_write != NULL);
+  if (gdbarch_debug >= 2)
+    gdb_printf (gdb_stdlog, "gdbarch_pseudo_register_write called\n");
+  gdbarch->pseudo_register_write (gdbarch, next_frame, pseudo_reg_num, buf);
+}
+
+void
+set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch,
+				   gdbarch_pseudo_register_write_ftype pseudo_register_write)
+{
+  gdbarch->pseudo_register_write = pseudo_register_write;
+}
+
 bool
 gdbarch_deprecated_pseudo_register_write_p (struct gdbarch *gdbarch)
 {
diff --git a/gdb/gdbarch_components.py b/gdb/gdbarch_components.py
index 1100da160550..ce8169b19a57 100644
--- a/gdb/gdbarch_components.py
+++ b/gdb/gdbarch_components.py
@@ -418,6 +418,23 @@ never be called.
     predicate=True,
 )
 
+Method(
+    comment="""
+Write bytes in BUF to pseudo register with number PSEUDO_REG_NUM.
+
+Raw registers backing the pseudo register should be written to using
+NEXT_FRAME.
+""",
+    type="void",
+    name="pseudo_register_write",
+    params=[
+        ("frame_info_ptr", "next_frame"),
+        ("int", "pseudo_reg_num"),
+        ("gdb::array_view<const gdb_byte>", "buf"),
+    ],
+    predicate=True,
+)
+
 Method(
     comment="""
 Write bytes to a pseudo register.
@@ -426,6 +443,8 @@ This is marked as deprecated because it gets passed a regcache for
 implementations to write raw registers in.  This doesn't work for unwound
 frames, where the raw registers backing the pseudo registers may have been
 saved elsewhere.
+
+Implementations should be migrated to implement pseudo_register_write instead.
 """,
     type="void",
     name="deprecated_pseudo_register_write",
diff --git a/gdb/regcache.c b/gdb/regcache.c
index dadc949434ee..16b117e767be 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -929,6 +929,10 @@ regcache::cooked_write (int regnum, gdb::array_view<const gdb_byte> src, float)
 
   if (regnum < num_raw_registers ())
     raw_write (regnum, src, 1.0f);
+  else if (gdbarch_pseudo_register_write_p (m_descr->gdbarch))
+    gdbarch_pseudo_register_write
+      (m_descr->gdbarch, get_next_frame_sentinel_okay (get_current_frame ()),
+       regnum, src);
   else
     gdbarch_deprecated_pseudo_register_write (m_descr->gdbarch, this, regnum,
 					      src.data ());
diff --git a/gdb/value.c b/gdb/value.c
index 27a79dc62fc1..51dca972a587 100644
--- a/gdb/value.c
+++ b/gdb/value.c
@@ -4057,6 +4057,22 @@ pseudo_from_raw_part (frame_info_ptr next_frame, int pseudo_reg_num,
 
 /* See value.h.  */
 
+void
+pseudo_to_raw_part (frame_info_ptr next_frame,
+		    gdb::array_view<const gdb_byte> pseudo_buf,
+		    int raw_reg_num, int raw_offset)
+{
+  int raw_reg_size = register_size (get_frame_arch (next_frame), raw_reg_num);
+
+  /* When overflowing a register, put_frame_register_bytes writes to the
+     subsequent registers.  We don't want that behavior here, so make sure
+     the write is wholly within register RAW_REG_NUM.  */
+  gdb_assert (raw_offset + pseudo_buf.size () <= raw_reg_size);
+  put_frame_register_bytes (next_frame, raw_reg_num, raw_offset, pseudo_buf);
+}
+
+/* See value.h.  */
+
 value *
 pseudo_from_concat_raw (frame_info_ptr next_frame, int pseudo_reg_num,
 			int raw_reg_1_num, int raw_reg_2_num)
@@ -4080,6 +4096,27 @@ pseudo_from_concat_raw (frame_info_ptr next_frame, int pseudo_reg_num,
   return pseudo_reg_val;
 }
 
+void
+pseudo_to_concat_raw (frame_info_ptr next_frame,
+		      gdb::array_view<const gdb_byte> pseudo_buf,
+		      int raw_reg_1_num, int raw_reg_2_num)
+{
+  int src_offset = 0;
+  gdbarch *arch = frame_unwind_arch (next_frame);
+
+  int raw_reg_1_size = register_size (arch, raw_reg_1_num);
+  put_frame_register_bytes (next_frame, raw_reg_1_num, 0,
+			    pseudo_buf.slice (src_offset, raw_reg_1_size));
+  src_offset += raw_reg_1_size;
+
+  int raw_reg_2_size = register_size (arch, raw_reg_2_num);
+  put_frame_register_bytes (next_frame, raw_reg_2_num, 0,
+			    pseudo_buf.slice (src_offset, raw_reg_2_size));
+  src_offset += raw_reg_2_size;
+
+  gdb_assert (src_offset == pseudo_buf.size ());
+}
+
 /* See value.h.  */
 
 value *
@@ -4111,6 +4148,32 @@ pseudo_from_concat_raw (frame_info_ptr next_frame, int pseudo_reg_num,
   return pseudo_reg_val;
 }
 
+void
+pseudo_to_concat_raw (frame_info_ptr next_frame,
+		      gdb::array_view<const gdb_byte> pseudo_buf,
+		      int raw_reg_1_num, int raw_reg_2_num, int raw_reg_3_num)
+{
+  int src_offset = 0;
+  gdbarch *arch = frame_unwind_arch (next_frame);
+
+  int raw_reg_1_size = register_size (arch, raw_reg_1_num);
+  put_frame_register_bytes (next_frame, raw_reg_1_num, 0,
+			    pseudo_buf.slice (src_offset, raw_reg_1_size));
+  src_offset += raw_reg_1_size;
+
+  int raw_reg_2_size = register_size (arch, raw_reg_2_num);
+  put_frame_register_bytes (next_frame, raw_reg_2_num, 0,
+			    pseudo_buf.slice (src_offset, raw_reg_2_size));
+  src_offset += raw_reg_2_size;
+
+  int raw_reg_3_size = register_size (arch, raw_reg_3_num);
+  put_frame_register_bytes (next_frame, raw_reg_3_num, 0,
+			    pseudo_buf.slice (src_offset, raw_reg_3_size));
+  src_offset += raw_reg_3_size;
+
+  gdb_assert (src_offset == pseudo_buf.size ());
+}
+
 /* Implementation of the convenience function $_isvoid.  */
 
 static struct value *
diff --git a/gdb/value.h b/gdb/value.h
index b5c097ad58bf..6a74d4e2c2ee 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -1661,6 +1661,13 @@ struct scoped_array_length_limiting
 value *pseudo_from_raw_part (frame_info_ptr next_frame, int pseudo_reg_num,
 			     int raw_reg_num, int raw_offset);
 
+/* Write PSEUDO_BUF, the contents of a pseudo register, to part of raw register
+   RAW_REG_NUM starting at RAW_OFFSET.  */
+
+void pseudo_to_raw_part (frame_info_ptr this_frame,
+			 gdb::array_view<const gdb_byte> pseudo_buf,
+			 int raw_reg_num, int raw_offset);
+
 /* Create a value for pseudo register PSEUDO_REG_NUM by concatenating raw
    registers RAW_REG_1_NUM and RAW_REG_2_NUM.
 
@@ -1670,10 +1677,25 @@ value *pseudo_from_raw_part (frame_info_ptr next_frame, int pseudo_reg_num,
 value *pseudo_from_concat_raw (frame_info_ptr next_frame, int pseudo_reg_num,
 			       int raw_reg_1_num, int raw_reg_2_num);
 
+/* Write PSEUDO_BUF, the contents of a pseudo register, to the two raw registers
+   RAW_REG_1_NUM and RAW_REG_2_NUM.  */
+
+void pseudo_to_concat_raw (frame_info_ptr this_frame,
+			   gdb::array_view<const gdb_byte> pseudo_buf,
+			   int raw_reg_1_num, int raw_reg_2_num);
+
 /* Same as the above, but with three raw registers.  */
 
 value *pseudo_from_concat_raw (frame_info_ptr next_frame, int pseudo_reg_num,
 			       int raw_reg_1_num, int raw_reg_2_num,
 			       int raw_reg_3_num);
 
+/* Write PSEUDO_BUF, the contents of a pseudo register, to the tthreewo raw
+   registers RAW_REG_1_NUM, RAW_REG_2_NUM and RAW_REG_3_NUM.  */
+
+void pseudo_to_concat_raw (frame_info_ptr this_frame,
+			   gdb::array_view<const gdb_byte> pseudo_buf,
+			   int raw_reg_1_num, int raw_reg_2_num,
+			   int raw_reg_3_num);
+
 #endif /* !defined (VALUE_H) */
