From: Nicholas Piggin <npiggin@gmail•com>
To: Anton Blanchard <anton@samba•org>
Cc: Michael Ellerman <mpe@ellerman•id.au>,
Benjamin Herrenschmidt <benh@kernel•crashing.org>,
Paul Mackerras <paulus@samba•org>,
linuxppc-dev@lists•ozlabs.org
Subject: Re: Kernel build issues with upstream binutils
Date: Mon, 28 Nov 2016 00:35:05 +1100 [thread overview]
Message-ID: <20161128003505.61590f63@roar.ozlabs.ibm.com> (raw)
In-Reply-To: <20161127090430.5039d436@kryten>
On Sun, 27 Nov 2016 09:04:30 +1100
Anton Blanchard <anton@samba•org> wrote:
> Hi,
>
> A recent binutils commit:
>
> https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=1a9ccd70f9a75dc6b48d340059f28ef3550c107b
>
> has broken kernel builds:
>
> /home/anton/gcc.install/bin/ld: arch/powerpc/boot/zImage.pseries: Not enough room for program headers, try linking with -N
> /home/anton/gcc.install/bin/ld: final link failed: Bad value
>
> I guess we have an issue with our linker script.
We may need something like this (not boot tested). I'll have a better look
tomorrow.
---
arch/powerpc/boot/zImage.lds.S | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/boot/zImage.lds.S b/arch/powerpc/boot/zImage.lds.S
index 861e721..8963544 100644
--- a/arch/powerpc/boot/zImage.lds.S
+++ b/arch/powerpc/boot/zImage.lds.S
@@ -7,6 +7,13 @@ OUTPUT_ARCH(powerpc:common)
#endif
ENTRY(_zimage_start)
EXTERN(_zimage_start)
+
+PHDRS
+{
+ text PT_LOAD FLAGS(5); /* R_E */
+ data PT_LOAD FLAGS(6); /* RW_ */
+}
+
SECTIONS
{
.text :
@@ -15,7 +22,7 @@ SECTIONS
*(.text)
*(.fixup)
_etext = .;
- }
+ } :text
. = ALIGN(4096);
.data :
{
@@ -25,7 +32,7 @@ SECTIONS
#ifndef CONFIG_PPC64_BOOT_WRAPPER
*(.got2)
#endif
- }
+ } :data
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.dynamic :
@@ -34,7 +41,6 @@ SECTIONS
*(.dynamic)
}
.hash : { *(.hash) }
- .interp : { *(.interp) }
.rela.dyn :
{
#ifdef CONFIG_PPC64_BOOT_WRAPPER
@@ -86,4 +92,9 @@ SECTIONS
*(COMMON)
_end = . ;
}
+
+ /DISCARD/ :
+ {
+ *(.interp)
+ }
}
--
2.10.2
next prev parent reply other threads:[~2016-11-27 13:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-26 22:04 Kernel build issues with upstream binutils Anton Blanchard
2016-11-27 13:35 ` Nicholas Piggin [this message]
2017-07-17 12:57 ` Gustavo Romero
2017-07-17 13:05 ` Gustavo Romero
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