[PATCH] unwinder: move .eh_frame to RODATA

The .eh_frame section contents is never written to, so it can as well
benefit from CONFIG_DEBUG_RODATA.

Diff-ed against firstfloor tree.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 12 insertions, 5 deletions

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 9f4747780dac..4d4c62d11059 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -119,8 +119,7 @@
                 *(__ksymtab_strings)                                    \
         }                                                               \
                                                                         \
-        /* Unwind data binary search table */                           \
-        EH_FRAME_HDR                                                    \
+        EH_FRAME                                                        \
                                                                         \
         /* Built-in module parameters. */                               \
         __param : AT(ADDR(__param) - LOAD_OFFSET) {                     \
@@ -162,15 +161,23 @@
                 VMLINUX_SYMBOL(__kprobes_text_end) = .;
 
 #ifdef CONFIG_STACK_UNWIND
-                /* Unwind data binary search table */
-#define EH_FRAME_HDR                                                    \
+#define EH_FRAME                                                        \
+                /* Unwind data binary search table */                   \
+                . = ALIGN(8);                                           \
                 .eh_frame_hdr : AT(ADDR(.eh_frame_hdr) - LOAD_OFFSET) { \
                         VMLINUX_SYMBOL(__start_unwind_hdr) = .;         \
                         *(.eh_frame_hdr)                                \
                         VMLINUX_SYMBOL(__end_unwind_hdr) = .;           \
+                }                                                       \
+                /* Unwind data */                                       \
+                . = ALIGN(8);                                           \
+                .eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) {         \
+                        VMLINUX_SYMBOL(__start_unwind) = .;             \
+                        *(.eh_frame)                                    \
+                        VMLINUX_SYMBOL(__end_unwind) = .;               \
                 }
 #else
-#define EH_FRAME_HDR
+#define EH_FRAME
 #endif
 
                 /* DWARF debug sections.