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authorHelge Deller <deller@gmx.de>2009-11-28 15:33:11 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-30 11:20:24 -0500
commit33a932d14323b957a4e17a6c8428d3f048a30822 (patch)
treee8006fb0418b17d0bf7e003aa28467f04081672d
parenta8a8a669ea13d792296737505adc43ccacf3a648 (diff)
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>
-rw-r--r--arch/parisc/kernel/unwind.c2
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S6
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 69dad5a850a8..a36799e85693 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -28,7 +28,7 @@
28#define dbg(x...) 28#define dbg(x...)
29#endif 29#endif
30 30
31#define KERNEL_START (KERNEL_BINARY_TEXT_START - 0x1000) 31#define KERNEL_START (KERNEL_BINARY_TEXT_START)
32 32
33extern struct unwind_table_entry __start___unwind[]; 33extern struct unwind_table_entry __start___unwind[];
34extern struct unwind_table_entry __stop___unwind[]; 34extern struct unwind_table_entry __stop___unwind[];
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index fda4baa059b5..9dab4a4e09f7 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -78,9 +78,6 @@ SECTIONS
78 */ 78 */
79 . = ALIGN(PAGE_SIZE); 79 . = ALIGN(PAGE_SIZE);
80 data_start = .; 80 data_start = .;
81 EXCEPTION_TABLE(16)
82
83 NOTES
84 81
85 /* unwind info */ 82 /* unwind info */
86 .PARISC.unwind : { 83 .PARISC.unwind : {
@@ -89,6 +86,9 @@ SECTIONS
89 __stop___unwind = .; 86 __stop___unwind = .;
90 } 87 }
91 88
89 EXCEPTION_TABLE(16)
90 NOTES
91
92 /* Data */ 92 /* Data */
93 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) 93 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
94 94