2001-07-03 Jakub Jelinek <jakub@redhat.com>

	* scripttempl/elf.sc (DYNAMIC_PAD): New variable.
	(DYNAMIC): Use it to reserve few dynamic entries for
	post-linking tools.

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 9fd85ed5ce5682de179f5b5aad298db5a3f9919a..f9c10719f73ca2325802972ba0db2954be42e5cd 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2001-07-03  Jakub Jelinek  <jakub@redhat.com>
+
+       * scripttempl/elf.sc (DYNAMIC_PAD): New variable.
+       (DYNAMIC): Use it to reserve few dynamic entries for
+       post-linking tools.
+
 2001-06-27  Alan Modra  <amodra@bigpond.net.au>
 
        * emulparams/hppa64linux.sh: New file.

diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
index 3c1bfb40c1947e18b5301954a4ddf118b853f673..e32348c0a9ea921e32ee441f1b72f5ba16650247 100644 (file)
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@@ -32,6 +32,8 @@
 #      combination of .init sections.
 #      FINI_START, FINI_END - statements just before and just after
 #      combination of .fini sections.
+#      DYNAMIC_PAD - script to insert pad at end of .dynamic section.
+#              Setting this to " " will result in no .dynamic padding.
 #
 # When adding sections, do note that the names of some sections are used
 # when specifying the start address of the next.
@@ -66,7 +68,14 @@ test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
 test "$LD_FLAG" = "N" && DATA_ADDR=.
 INTERP=".interp   ${RELOCATING-0} : { *(.interp)       }"
 PLT=".plt    ${RELOCATING-0} : { *(.plt)       }"
-DYNAMIC=".dynamic     ${RELOCATING-0} : { *(.dynamic) }"
+test -z "$DYNAMIC_PAD" && test -n "$RELOCATING" && DYNAMIC_PAD="
+    /* Leave some space in .dynamic section, so that
+       post-linking utilities can add new dynamic tags.  */
+    FILL(0) . += 6 * ${ELFSIZE} / 4;"
+DYNAMIC=".dynamic     ${RELOCATING-0} :
+  {
+    *(.dynamic) $DYNAMIC_PAD
+  }"
 RODATA=".rodata ${RELOCATING-0} : { *(.rodata) ${RELOCATING+*(.rodata.*)} ${RELOCATING+*(.gnu.linkonce.r.*)} }"
 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) ${RELOCATING+*(.sbss2.*)} ${RELOCATING+*(.gnu.linkonce.sb2.*)} }"
 SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) ${RELOCATING+*(.sdata2.*)} ${RELOCATING+*(.gnu.linkonce.s2.*)} }"