From 33a932d14323b957a4e17a6c8428d3f048a30822 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Sat, 28 Nov 2009 20:33:11 +0000
Subject: [PATCH] parisc: fix unwind with recent gcc versions
kernel unwinding is broken with gcc >= 4.x. Part of the problem is that
binutils seems very sensitive to where the unwind information is stored.
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/parisc/kernel/unwind.c | 2 +-
arch/parisc/kernel/vmlinux.lds.S | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 69dad5a850a83..a36799e85693d 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -28,7 +28,7 @@
#define dbg(x...)
#endif
-#define KERNEL_START (KERNEL_BINARY_TEXT_START - 0x1000)
+#define KERNEL_START (KERNEL_BINARY_TEXT_START)
extern struct unwind_table_entry __start___unwind[];
extern struct unwind_table_entry __stop___unwind[];
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index fda4baa059b50..9dab4a4e09f7a 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -78,9 +78,6 @@ SECTIONS
*/
. = ALIGN(PAGE_SIZE);
data_start = .;
- EXCEPTION_TABLE(16)
-
- NOTES
/* unwind info */
.PARISC.unwind : {
@@ -89,6 +86,9 @@ SECTIONS
__stop___unwind = .;
}
+ EXCEPTION_TABLE(16)
+ NOTES
+
/* Data */
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
--
GitLab