Update year range in copyright notice of binutils files

[thirdparty/binutils-gdb.git] / ld / scripttempl / elf.sc

diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
index f9f0f7d402090e4e161e86a3ac71256a8aabd2c6..29a8f0781d5aa7e68a00110ec5510199557336e3 100644 (file)
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2019 Free Software Foundation, Inc.
+# Copyright (C) 2014-2021 Free Software Foundation, Inc.
 #
 # Copying and distribution of this file, with or without modification,
 # are permitted in any medium without royalty provided the copyright
@@ -8,6 +8,8 @@
 #      NOP - four byte opcode for no-op (defaults to none)
 #      NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
 #              empty.
+#      HAVE_NOINIT - Include a .noinit output section in the script.
+#      HAVE_PERSISTENT - Include a .persistent output section in the script.
 #      SMALL_DATA_CTOR - .ctors contains small data.
 #      SMALL_DATA_DTOR - .dtors contains small data.
 #      DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
@@ -62,6 +64,9 @@
 #      OTHER_SYMBOLS - symbols to place right at the end of the script.
 #      ETEXT_NAME - name of a symbol for the end of the text section,
 #              normally etext.
+#      ETEXT_LAST_IN_RODATA_SEGMENT - emit ETEXT_NAME after all sections in
+#              the read-only data segment (which may or may not be equal to
+#              the code segment), instead of after just the code parts.
 #      SEPARATE_CODE - if set, .text and similar sections containing
 #              actual machine instructions must be in wholly disjoint
 #              pages from any other data, including headers
@@ -100,6 +105,8 @@
 #  .lrodata    .gnu.linkonce.lr.foo
 #  .ldata      .gnu.linkonce.l.foo
 #  .lbss       .gnu.linkonce.lb.foo
+#  .noinit     .gnu.linkonce.n.foo
+#  .persistent .gnu.linkonce.p.foo
 #
 #  Each of these can also have corresponding .rel.* and .rela.* sections.
 
@@ -319,6 +326,28 @@ STACK=".stack        ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} :
     *(.stack)
     ${RELOCATING+${STACK_SENTINEL}}
   }"
+test "${HAVE_NOINIT}" = "yes" && NOINIT="
+  /* This section contains data that is not initialized during load,
+     or during the application's initialization sequence.  */
+  .noinit (NOLOAD) :
+  {
+    ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+    ${RELOCATING+PROVIDE (__noinit_start = .);}
+    *(.noinit${RELOCATING+ .noinit.* .gnu.linkonce.n.*})
+    ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+    ${RELOCATING+PROVIDE (__noinit_end = .);}
+  }"
+test "${HAVE_PERSISTENT}" = "yes" && PERSISTENT="
+  /* This section contains data that is initialized during load,
+     but not during the application's initialization sequence.  */
+  .persistent :
+  {
+    ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+    ${RELOCATING+PROVIDE (__persistent_start = .);}
+    *(.persistent${RELOCATING+ .persistent.* .gnu.linkonce.p.*})
+    ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+    ${RELOCATING+PROVIDE (__persistent_end = .);}
+  }"
 
 TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})"
 SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})"
@@ -348,7 +377,7 @@ else
 fi
 
 cat <<EOF
-/* Copyright (C) 2014-2019 Free Software Foundation, Inc.
+/* Copyright (C) 2014-2021 Free Software Foundation, Inc.
 
    Copying and distribution of this script, with or without modification,
    are permitted in any medium without royalty provided the copyright
@@ -514,8 +543,9 @@ cat <<EOF
     ${RELOCATING+*(.text.exit .text.exit.*)}
     ${RELOCATING+*(.text.startup .text.startup.*)}
     ${RELOCATING+*(.text.hot .text.hot.*)}
+    ${RELOCATING+*(SORT(.text.sorted.*))}
     *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*})
-    /* .gnu.warning sections are handled specially by elf32.em.  */
+    /* .gnu.warning sections are handled specially by elf.em.  */
     *(.gnu.warning)
     ${RELOCATING+${OTHER_TEXT_SECTIONS}}
   } ${FILL}
@@ -525,9 +555,9 @@ cat <<EOF
     KEEP (*(SORT_NONE(.fini)))
     ${RELOCATING+${FINI_END}}
   } ${FILL}
-  ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);}
-  ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);}
-  ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);}
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT-PROVIDE (__${ETEXT_NAME} = .);}}
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT-PROVIDE (_${ETEXT_NAME} = .);}}
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT-PROVIDE (${ETEXT_NAME} = .);}}
   ${RELOCATING+${TEXT_SEGMENT_ALIGN}}
 EOF
 
@@ -573,6 +603,10 @@ cat <<EOF
   .exception_ranges ${RELOCATING-0} : ONLY_IF_RO { *(.exception_ranges${RELOCATING+*}) }
   ${TEXT_PLT+${PLT_NEXT_DATA+${PLT} ${OTHER_PLT_SECTIONS}}}
 
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT+PROVIDE (__${ETEXT_NAME} = .);}}
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT+PROVIDE (_${ETEXT_NAME} = .);}}
+  ${RELOCATING+${ETEXT_LAST_IN_RODATA_SEGMENT+PROVIDE (${ETEXT_NAME} = .);}}
+
   ${RELOCATING+/* Adjust the address for the data segment.  We want to adjust up to
      the same address within the page on the next page up.  */}
   ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}}
@@ -637,6 +671,7 @@ cat <<EOF
   ${DATA_SDATA-${SDATA}}
   ${DATA_SDATA-${OTHER_SDATA_SECTIONS}}
   ${RELOCATING+${DATA_END_SYMBOLS-${CREATE_SHLIB+PROVIDE (}${USER_LABEL_PREFIX}_edata = .${CREATE_SHLIB+)}; PROVIDE (${USER_LABEL_PREFIX}edata = .);}}
+  ${PERSISTENT}
   ${RELOCATING+. = .;}
   ${RELOCATING+${CREATE_SHLIB+PROVIDE (}${USER_LABEL_PREFIX}__bss_start = .${CREATE_SHLIB+)};}
   ${RELOCATING+${OTHER_BSS_SYMBOLS}}
@@ -657,6 +692,7 @@ cat <<EOF
   ${OTHER_BSS_SECTIONS}
   ${LARGE_BSS_AFTER_BSS+${LARGE_BSS}}
   ${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
+  ${NOINIT}
   ${RELOCATING+. = ALIGN(${ALIGNMENT});}
 EOF