Re: VMA section overlap warnings for overlays

["H.J. Lu" <hjl.tools@gmail.com>]

On Thu, Feb 24, 2011 at 11:49 PM, Alan Modra <amodra@gmail.com> wrote:
> On Thu, Feb 24, 2011 at 03:49:25PM -0800, H.J. Lu wrote:
>> On Tue, Jul 20, 2010 at 7:10 AM, Alan Modra <amodra@gmail.com> wrote:
>> > This removes all the special treatment for zero size sections when
>> > using ELF_SECTION_IN_SEGMENT in elf.c, and makes readelf display
> [snip]
>> This may have caused:
>>
>> http://sourceware.org/bugzilla/show_bug.cgi?id=12516
>
> Yes, looks like it.
>
>        PR 12519
>        * internal.h (ELF_SECTION_IN_SEGMENT_1): Don't match zero size
>        sections at start or end of PT_DYNAMIC.

I checked in this.


H.J.
---
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index b7de27d..4ff663f 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2011-02-25  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/12516
+	* ld-elf/dynamic1.d: New.
+	* ld-elf/dynamic1.ld: Likewise.
+	* ld-elf/dynamic1.s: Likewise.
+
 2011-02-25  Alan Modra  <amodra@gmail.com>

 	* ld-mn10300/i135409-3.s: Correct .size label reference.
diff --git a/ld/testsuite/ld-elf/dynamic1.d b/ld/testsuite/ld-elf/dynamic1.d
new file mode 100644
index 0000000..6a8ba55
--- /dev/null
+++ b/ld/testsuite/ld-elf/dynamic1.d
@@ -0,0 +1,10 @@
+#ld: -shared -T dynamic1.ld
+#readelf: -l --wide
+#target: *-*-linux* *-*-gnu*
+
+#...
+ Section to Segment mapping:
+  Segment Sections...
+#...
+   0[1-9]     .dynamic[ 	]*
+#pass
diff --git a/ld/testsuite/ld-elf/dynamic1.ld b/ld/testsuite/ld-elf/dynamic1.ld
new file mode 100644
index 0000000..d110bf7
--- /dev/null
+++ b/ld/testsuite/ld-elf/dynamic1.ld
@@ -0,0 +1,8 @@
+SECTIONS
+{
+  . = SIZEOF_HEADERS;
+  .text : { *(.text) }
+  .data : { *(.data) }
+  .data1 : { KEEP (*(.data1)) }
+  .dynamic : { *(.dynamic) }
+}
diff --git a/ld/testsuite/ld-elf/dynamic1.s b/ld/testsuite/ld-elf/dynamic1.s
new file mode 100644
index 0000000..f1caf0e
--- /dev/null
+++ b/ld/testsuite/ld-elf/dynamic1.s
@@ -0,0 +1,2 @@
+.section .data1,"aw"
+.balign 16