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elf2flt: fix threading apps on ARM noMMU systems

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See this thread, which explains the problem in detail:
http://mailman.uclinux.org/pipermail/uclinux-dev//2016-April/052713.html

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Waldemar Brodkorb 2016-08-24 23:03:43 +02:00 committed by Thomas Petazzoni
parent 162e7471a6
commit 405fb22c5c
1 changed files with 34 additions and 0 deletions
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34
package/elf2flt/0001-elf2flt-fix-relocation-support-for-R_ARM_TARGET-type.patch Normal file
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@ -0,0 +1,34 @@
From dedce8765d203c1c162a57e6259375e0b457173f Mon Sep 17 00:00:00 2001
From: Greg Ungerer <gerg@linux-m68k.org>
Date: Fri, 19 Aug 2016 23:49:51 +1000
Subject: [PATCH] elf2flt: fix relocation support for R_ARM_TARGET types
R_ARM_TARGET1 (and I think R_ARM_TARGET2) relocation types should be
treated in the same way as R_ARM_ABS32. Fix them to write out the addend
to the flat binary in network byte order.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Tested-by: Waldemar Brodkorb <wbx@openadk.org>
---
elf2flt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/elf2flt.c b/elf2flt.c
index 5ae7dd9..3f31569 100644
--- a/elf2flt.c
+++ b/elf2flt.c
@@ -1505,7 +1505,9 @@ DIS29_RELOCATION:
(((*p)->howto->type != R_ARM_PC24) &&
((*p)->howto->type != R_ARM_PLT32)))
tmp.c[i3] = (hl >> 24) & 0xff;
- if ((*p)->howto->type == R_ARM_ABS32)
+ if (((*p)->howto->type == R_ARM_ABS32) ||
+ ((*p)->howto->type == R_ARM_TARGET1) ||
+ ((*p)->howto->type == R_ARM_TARGET2))
*(uint32_t *)r_mem = htonl(hl);
else
*(uint32_t *)r_mem = tmp.l;
--
1.9.1