From: Nathan Sidwell <nathan@codesourcery.com>
Date: Fri, 22 May 2009 11:27:44 +0000 (+0000)
Subject: 	* ldlang.c (lang_check_section_addresses): Ignore non-loadable
X-Git-Tag: cgen-snapshot-20090601~54
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ec457111c02dd5a5e29ce7ce30e95a17ef470c78;p=pf3gnuchains%2Fpf3gnuchains4x.git

	* ldlang.c (lang_check_section_addresses): Ignore non-loadable
	sections when checking for overlap.  Clarify error message
	concerns load address.

	testsuite/
	* ld-scripts/rgn-at4.t: New.
	* ld-scripts/rgn-at4.d: New.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 7af3e3c018..7e9991699e 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2009-05-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* ldlang.c (lang_check_section_addresses): Ignore non-loadable
+	sections when checking for overlap.  Clarify error message
+	concerns load address.
+
 2009-05-22  Alan Modra  <amodra@bigpond.net.au>
 
 	* Makefile.am: Run "make dep-am".
diff --git a/ld/ldlang.c b/ld/ldlang.c
index d97a55b084..2f1e0eac18 100644
--- a/ld/ldlang.c
+++ b/ld/ldlang.c
@@ -4498,7 +4498,8 @@ lang_check_section_addresses (void)
   for (s = link_info.output_bfd->sections; s != NULL; s = s->next)
     {
       /* Only consider loadable sections with real contents.  */
-      if (IGNORE_SECTION (s) || s->size == 0)
+      if ((s->flags & SEC_NEVER_LOAD) || !(s->flags & SEC_LOAD)
+	  || s->size == 0)
 	continue;
 
       sections[count] = s;
@@ -4529,7 +4530,7 @@ lang_check_section_addresses (void)
 
       /* Look for an overlap.  */
       if (s_end >= os_start && s_start <= os_end)
-	einfo (_("%X%P: section %s [%V -> %V] overlaps section %s [%V -> %V]\n"),
+	einfo (_("%X%P: section %s loaded at [%V,%V] overlaps section %s loaded at [%V,%V]\n"),
 	       s->name, s_start, s_end, os->name, os_start, os_end);
     }
 
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index ca27faf0b2..0df5dbccac 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* ld-scripts/rgn-at4.t: New.
+	* ld-scripts/rgn-at4.d: New.
+
 2009-05-21  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	* ld-pe/aligncomm-1.c (_alloca):  Add dummy definition to
diff --git a/ld/testsuite/ld-scripts/rgn-at4.d b/ld/testsuite/ld-scripts/rgn-at4.d
new file mode 100644
index 0000000000..7db76978be
--- /dev/null
+++ b/ld/testsuite/ld-scripts/rgn-at4.d
@@ -0,0 +1,13 @@
+# name: rgn-at4
+# source: rgn-at.s
+# ld: -T rgn-at4.t
+# objdump: -w -h
+
+.*:     file format .*
+
+Sections:
+Idx +Name +Size +VMA +LMA +File off +Algn +Flags
+  0 .text +0+[0-9a-f][0-9a-f] +0+0010000 +0+0020000 +.*
+  1 .data +0+[0-9a-f][0-9a-f] +0+00100[0-9a-f]+ +0+00200[0-9a-f]+ +.*
+  2 .bss +0+[0-9a-f][0-9a-f] +0+00100[0-9a-f]+ +0+00200[0-9a-f]+ +.*
+  3 .trail +0+[0-9a-f][0-9a-f] +0+00100[0-9a-f]+ +0+00200[0-9a-f]+ +.*
diff --git a/ld/testsuite/ld-scripts/rgn-at4.t b/ld/testsuite/ld-scripts/rgn-at4.t
new file mode 100644
index 0000000000..0e3fec42a5
--- /dev/null
+++ b/ld/testsuite/ld-scripts/rgn-at4.t
@@ -0,0 +1,14 @@
+/* Memory region at test, >AT should propagate by default */
+
+MEMORY {
+  ram : ORIGIN = 0x10000, LENGTH = 0x100
+  rom : ORIGIN = 0x20000, LENGTH = 0x200
+}
+_start = 0x1000;
+SECTIONS {
+  .text : { *(.text) } >ram AT>rom
+  .data : { *(.data) } >ram
+  .bss : { *(.bss) } >ram
+  .trail : { LONG(5) } >ram
+  /DISCARD/ : { *(*) }
+}