[Buildroot] [PATCH] at91bootstrap: fix gcc-4.6.x overlap linker issue

[Peter Korsgaard <jacmet@uclibc.org>]

>>>>> "Gr?gory" == Gr?gory Hermant <gregory.hermant@calao-systems.com> writes:

 Gr?gory> ---
 Gr?gory>  ...at91bootstrap-1.16-gcc-4.6.x-ldscript-fix.patch |   53 ++++++++++++++++++++
 Gr?gory>  1 file changed, 53 insertions(+)
 Gr?gory>  create mode 100644 boot/at91bootstrap/at91bootstrap-1.16-gcc-4.6.x-ldscript-fix.patch

 Gr?gory> diff --git a/boot/at91bootstrap/at91bootstrap-1.16-gcc-4.6.x-ldscript-fix.patch b/boot/at91bootstrap/at91bootstrap-1.16-gcc-4.6.x-ldscript-fix.patch
 Gr?gory> new file mode 100644
 Gr?gory> index 0000000..56947c7
 Gr?gory> --- /dev/null
 Gr?gory> +++ b/boot/at91bootstrap/at91bootstrap-1.16-gcc-4.6.x-ldscript-fix.patch
 Gr?gory> @@ -0,0 +1,53 @@
 Gr?gory> +From 5a094e959cd216c1be148effc624eb12e2083de9 Mon Sep 17 00:00:00 2001
 Gr?gory> +From: Gregory Hermant <gregory.hermant@calao-systems.com>
 Gr?gory> +Date: Mon, 1 Oct 2012 16:54:43 +0200
 Gr?gory> +Subject: [PATCH] at91bootstrap-v1.16-ldscript-fix
 Gr?gory> +
 Gr?gory> +---
 Gr?gory> + crt0_gnu.S          |    2 +-
 Gr?gory> + elf32-littlearm.lds |   12 +++++++++++-
 Gr?gory> + 2 files changed, 12 insertions(+), 2 deletions(-)
 Gr?gory> +
 Gr?gory> +diff --git a/crt0_gnu.S b/crt0_gnu.S
 Gr?gory> +index 002feef..ea6581f 100644
 Gr?gory> +--- a/crt0_gnu.S
 Gr?gory> ++++ b/crt0_gnu.S
 Gr?gory> +@@ -191,7 +191,7 @@ _go:
 Gr?gory> + + 	.align
 Gr?gory> + _lp_data:
 Gr?gory> +-        .word _etext
 Gr?gory> ++        .word _edummy
 Gr?gory> +         .word _sdata
 Gr?gory> +         .word _edata
 Gr?gory> + +diff --git a/elf32-littlearm.lds b/elf32-littlearm.lds
 Gr?gory> +index a33952f..17b1646 100644
 Gr?gory> +--- a/elf32-littlearm.lds
 Gr?gory> ++++ b/elf32-littlearm.lds
 Gr?gory> +@@ -10,11 +10,21 @@ SECTIONS
 Gr?gory> + 		*(.rodata)                 /* read-only data (constants) */
 Gr?gory> + 		*(.rodata*)
 Gr?gory> + 		. = ALIGN(4);
 Gr?gory> ++		*(.glue_7)
 Gr?gory> ++		. = ALIGN(4);
 Gr?gory> ++		*(.eh_frame)
 Gr?gory> ++		. = ALIGN(4);

Is all of that needed? Isn't it just that gcc 4.6+ adds a bunch of
.text.<blah> sections? I've fixed it up for an internal tree at work by
just doing:

diff --git a/elf32-littlearm.lds b/elf32-littlearm.lds
index a33952f..f50c30c 100644
--- a/elf32-littlearm.lds
+++ b/elf32-littlearm.lds
@@ -6,7 +6,7 @@ SECTIONS
         . = ALIGN(4);
        .text : { 
                _stext = .;
-               *(.text)
+               *(.text*)
                *(.rodata)                 /* read-only data (constants) */
                *(.rodata*)
                . = ALIGN(4);

-- 
Bye, Peter Korsgaard