bfd/

	* elf32-arm.c (elf32_arm_size_stubs): Call layout_sections_again
	at least once when fixing cortex-a8.

	ld/testsuite/
	* ld-arm/arm-elf.exp: Add new test.
	* ld-arm/cortex-a8-fix-hdr.d: New.
	* ld-arm/cortex-a8-fix-hdr.s: New.
	* ld-arm/cortex-a8-fix-hdr.t: New.

7 files changed, 74 insertions, 0 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 95e033c..c63bc2f 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2009-08-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* elf32-arm.c (elf32_arm_size_stubs): Call layout_sections_again
+	at least once when fixing cortex-a8.
+
 2009-08-05  Chao-ying Fu  <fu@mips.com>
 
 	* elf32-mips.c (mips_reloc_map): Add BFD_RELOC_MIPS_JALR.
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 5aba3f3..fbb4454 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -4246,6 +4246,16 @@ elf32_arm_size_stubs (bfd *output_bfd,
 
   group_sections (htab, stub_group_size, stubs_always_after_branch);
 
+  /* If we're applying the cortex A8 fix, we need to determine the
+     program header size now, because we cannot change it later --
+     that could alter section placements.  Notice the A8 erratum fix
+     ends up requiring the section addresses to remain unchanged
+     modulo the page size.  That's something we cannot represent
+     inside BFD, and we don't want to force the section alignment to
+     be the page size.  */
+  if (htab->fix_cortex_a8)
+    (*htab->layout_sections_again) ();
+
   while (1)
     {
       bfd *input_bfd;
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 1386162..d0e1699 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2009-08-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* ld-arm/arm-elf.exp: Add new test.
+	* ld-arm/cortex-a8-fix-hdr.d: New.
+	* ld-arm/cortex-a8-fix-hdr.s: New.
+	* ld-arm/cortex-a8-fix-hdr.t: New.
+
 2009-08-05  Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
 
 	* ld-spu/fixup.d: New.
diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index 941ef50..4fcee68 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -209,6 +209,10 @@ set armelftests {
      "-EL -Ttext=0x00 --fix-cortex-a8 --defsym far_fn1=0x80000000 --defsym far_fn2=0x80000004  --defsym far_fn=0x7fff0000 --defsym _start=0" "-EL" {cortex-a8-far-1.s cortex-a8-far-2.s}
      {{objdump -dr cortex-a8-far.d}}
      "cortex-a8-far"}
+    {"Cortex-A8 erratum fix, headers"
+     "-EL --fix-cortex-a8 -T cortex-a8-fix-hdr.t" "-EL" {cortex-a8-fix-hdr.s}
+     {{objdump -dr cortex-a8-fix-hdr.d}}
+     "cortex-a8-fix-hdr"}
     {"Unwinding and -gc-sections" "-gc-sections" "" {gc-unwind.s}
      {{objdump -sj.data gc-unwind.d}}
      "gc-unwind"}
diff --git a/ld/testsuite/ld-arm/cortex-a8-fix-hdr.d b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.d
new file mode 100644
index 0000000..027d2a1
--- /dev/null
+++ b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.d
@@ -0,0 +1,24 @@
+
+.*:     file format .*
+
+
+Disassembly of section \.text:
+
+00000fe0 <_start>:
+     fe0:	bf00      	nop
+     fe2:	bf00      	nop
+     fe4:	bf00      	nop
+     fe6:	bf00      	nop
+     fe8:	bf00      	nop
+     fea:	bf00      	nop
+     fec:	bf00      	nop
+     fee:	bf00      	nop
+     ff0:	bf00      	nop
+     ff2:	bf00      	nop
+     ff4:	bf00      	nop
+     ff6:	bf00      	nop
+     ff8:	bf00      	nop
+     ffa:	ea81 0002 	eor.w	r0, r1, r2
+     ffe:	f000 b80f 	b.w	1020 <_start\+0x40>
+#...
+    1020:	f7ff bfde 	b.w	fe0 <_start>
diff --git a/ld/testsuite/ld-arm/cortex-a8-fix-hdr.s b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.s
new file mode 100644
index 0000000..827c0f8
--- /dev/null
+++ b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.s
@@ -0,0 +1,14 @@
+	.syntax unified
+
+	.section .text, "ax"
+
+	.align 5
+	.globl _start
+	.thumb_func
+_start:
+	.rept 13
+	nop
+	.endr
+	eor	r0, r1, r2
+	b.w	_start
+
diff --git a/ld/testsuite/ld-arm/cortex-a8-fix-hdr.t b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.t
new file mode 100644
index 0000000..d3afacb
--- /dev/null
+++ b/ld/testsuite/ld-arm/cortex-a8-fix-hdr.t
@@ -0,0 +1,10 @@
+
+
+SECTIONS {
+	. = SIZEOF_HEADERS;
+	. += 0xf80;
+	.text : {
+	   *(.text)	 
+	} = 0
+	/DISCARD/ : { *(*) }
+}