From 81e1b023da77edb3576be645e73332a03407346c Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Wed, 23 Mar 2005 04:14:46 +0000
Subject: bfd/

2005-03-22  H.J. Lu  <hongjiu.lu@intel.com>

	* bfd-in.h (_bfd_elf_provide_symbol): New.
	* bfd-in2.h: Regenerated.

	* elf32-ppc.c (set_linker_sym): Moved to elflink.c.
	(ppc_elf_set_sdata_syms): Call _bfd_elf_provide_symbol instead
	of set_linker_sym.

	* elflink.c (_bfd_elf_provide_symbol): New. Moved and renamed
	from elf32-ppc.c.

ld/

2005-03-22  H.J. Lu  <hongjiu.lu@intel.com>

	* emultempl/elf32.em (gld${EMULATION_NAME}_provide_bound_symbols): New
	(gld${EMULATION_NAME}_finish): Call
	gld${EMULATION_NAME}_provide_bound_symbols to provide
	__preinit_array_start, __preinit_array_end, __init_array_start,
	__init_array_end, __fini_array_start and __fini_array_end.

	* scripttempl/elf.sc: Don't provide __preinit_array_start,
	__preinit_array_end, __init_array_start, __init_array_end,
	__fini_array_start nor __fini_array_end.
---
 ld/emultempl/elf32.em | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

(limited to 'ld/emultempl')

diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index 00805d5..b2d2a7c 100644
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -1428,6 +1428,29 @@ if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
 cat >>e${EMULATION_NAME}.c <<EOF
 
 static void
+gld${EMULATION_NAME}_provide_bound_symbols (const char *sec,
+					    const char *start,
+					    const char *end)
+{
+  asection *s;
+  bfd_vma start_val, end_val;
+
+  s = bfd_get_section_by_name (output_bfd, sec);
+  if (s != NULL)
+    {
+      start_val = s->vma;
+      end_val = start_val + s->size;
+    }
+  else
+    {
+      start_val = 0;
+      end_val = 0;
+    }
+  _bfd_elf_provide_symbol (&link_info, start, start_val);
+  _bfd_elf_provide_symbol (&link_info, end, end_val);
+}
+
+static void
 gld${EMULATION_NAME}_finish (void)
 {
   if (bfd_elf_discard_info (output_bfd, &link_info))
@@ -1472,6 +1495,34 @@ gld${EMULATION_NAME}_finish (void)
 		  }
 	    }
 	}
+
+      /* If not building shared library, provide
+
+	 __preinit_array_start
+	 __preinit_array_end
+	 __init_array_start
+	 __init_array_end
+	 __fini_array_start
+	 __fini_array_end
+
+	 They are set here rather than via PROVIDE in the linker
+	 script, because using PROVIDE inside an output section
+	 statement results in unnecessary output sections.  Using
+	 PROVIDE outside an output section statement runs the risk of
+	 section alignment affecting where the section starts.  */
+
+      if (!link_info.shared)
+	{
+	  gld${EMULATION_NAME}_provide_bound_symbols
+	    (".preinit_array", "__preinit_array_start",
+	     "__preinit_array_end");
+	  gld${EMULATION_NAME}_provide_bound_symbols
+	    (".init_array", "__init_array_start",
+	     "__init_array_end");
+	  gld${EMULATION_NAME}_provide_bound_symbols
+	    (".fini_array", "__fini_array_start",
+	     "__fini_array_end");
+	}
     }
 }
 EOF
-- 
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