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Re: `.sym' referenced in section `reloc_sym' of file.o: defined in discarded section `.text.sym' of file.o


On Wed, May 17, 2006 at 01:03:43PM +0200, Etienne Lorrain wrote:
> > > ld: error: no memory region specified for loadable section `.rel.dyn'
> 
>   Looks like that is now a warning - I do not understand why.

ld/
	* ldlang.c (lang_size_sections_1): Don't check mem regions for
	os->ignored sections.
ld/testsuite/
	* ld-scripts/empty-orphan.t: Discard .reginfo.
	* ld-scripts/empty-orphan.d: Update.

Index: ld/ldlang.c
===================================================================
RCS file: /cvs/src/src/ld/ldlang.c,v
retrieving revision 1.218
diff -u -p -r1.218 ldlang.c
--- ld/ldlang.c	17 May 2006 16:46:54 -0000	1.218
+++ ld/ldlang.c	19 May 2006 02:39:55 -0000
@@ -4198,7 +4198,8 @@ lang_size_sections_1
 		    /* If a loadable section is using the default memory
 		       region, and some non default memory regions were
 		       defined, issue an error message.  */
-		    if (!IGNORE_SECTION (os->bfd_section)
+		    if (!os->ignored
+			&& !IGNORE_SECTION (os->bfd_section)
 			&& ! link_info.relocatable
 			&& check_regions
 			&& strcmp (os->region->name,
Index: ld/testsuite/ld-scripts/empty-orphan.d
===================================================================
RCS file: /cvs/src/src/ld/testsuite/ld-scripts/empty-orphan.d,v
retrieving revision 1.1
diff -u -p -r1.1 empty-orphan.d
--- ld/testsuite/ld-scripts/empty-orphan.d	17 Mar 2005 16:20:39 -0000	1.1
+++ ld/testsuite/ld-scripts/empty-orphan.d	19 May 2006 02:39:55 -0000
@@ -1,3 +1,10 @@
 #source: empty-orphan.s
 #ld: -T empty-orphan.t
-#error: no memory region specified for loadable section
+#readelf: -l --wide
+#...
+Program Headers:
+ +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg +Align
+ +LOAD +[x0-9a-f]+ 0x0+ 0x0+ 0x0+ 0x0+ .*
+ +LOAD +[x0-9a-f]+ 0x0+ 0x0+ 0x0+ 0x0+ .*
+ +LOAD +[x0-9a-f]+ [x0]+70000000 [x0]+70000000 [x0]+(2|4|8|10|20|40|80) .*
+#pass
Index: ld/testsuite/ld-scripts/empty-orphan.t
===================================================================
RCS file: /cvs/src/src/ld/testsuite/ld-scripts/empty-orphan.t,v
retrieving revision 1.1
diff -u -p -r1.1 empty-orphan.t
--- ld/testsuite/ld-scripts/empty-orphan.t	17 Mar 2005 16:20:39 -0000	1.1
+++ ld/testsuite/ld-scripts/empty-orphan.t	19 May 2006 02:39:55 -0000
@@ -17,5 +17,6 @@ SECTIONS
    .text : { *(.text) } > text_mem : text_phdr
    .data : { *(.data) } > data_mem : data_phdr
    .bss : { *(.bss) } > data_mem : data_phdr
+   /DISCARD/ : { *(.reginfo) }
    /* .orphan_data is an orphan */
 }

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre


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