Clean up AMD64 memory management code, remove dependency on pd.lock

amd64/link.ld

@@ -6,6 +6,8 @@ PHDRS {
   text PT_LOAD;
   rodata PT_LOAD;
   data PT_LOAD;
+  tls PT_TLS;
+  bss PT_LOAD;
 }
 
 SECTIONS {
@@ -21,15 +23,35 @@ SECTIONS {
     *(.rodata .rodata.*)
   } :rodata
 
-  .note.gnu.build-id : {
-    *(.note.gnu.build-id)
-  } :rodata
-  
   . = ALIGN(CONSTANT(MAXPAGESIZE));
 
   .data : {
     *(.data .data.*)
   } :data
+  
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+
+  __tdata_start = .;
+
+  .tdata : {
+    *(.tdata .tdata.*)
+  } :data :tls
+  
+  __tdata_end = .;
+  
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+  
+  __tbss_start = .;
+
+  .tbss : {
+    *(.tbss .tbss.*)
+  } :bss :tls
+  
+  __tbss_end = .;
+  
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+
+  __tls_size = __tbss_end - __tdata_start;
 
   __bss_start = .;