Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cbe87121f1545bb3e98ae114519bf0c4db27d6ab
Commit: cbe87121f1545bb3e98ae114519bf0c4db27d6ab
Parent: b38bd33a6bf5095736620ca8e85fe61820c2d312
Author: Roland McGrath <[EMAIL PROTECTED]>
AuthorDate: Thu Jul 19 01:48:36 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Thu Jul 19 10:04:47 2007 -0700
i386: Put allocated ELF notes in read-only data segment
This changes the i386 linker script and the asm-generic macro it uses so
that
ELF note sections with SHF_ALLOC set are linked into the kernel image along
with other read-only data. The PT_NOTE also points to their location.
This paves the way for putting useful build-time information into ELF notes
that can be found easily later in a kernel memory dump.
Signed-off-by: Roland McGrath <[EMAIL PROTECTED]>
Cc: Andi Kleen <[EMAIL PROTECTED]>
Cc: Paul Mackerras <[EMAIL PROTECTED]>
Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Cc: Richard Henderson <[EMAIL PROTECTED]>
Cc: Ivan Kokshaysky <[EMAIL PROTECTED]>
Cc: Martin Schwidefsky <[EMAIL PROTECTED]>
Cc: Heiko Carstens <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/i386/kernel/vmlinux.lds.S | 6 +++---
include/asm-generic/vmlinux.lds.h | 6 +++++-
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index 4dc44b8..7d72cce 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -60,7 +60,9 @@ SECTIONS
__stop___ex_table = .;
}
- BUG_TABLE
+ NOTES :text :note
+
+ BUG_TABLE :text
. = ALIGN(4);
.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
@@ -208,6 +210,4 @@ SECTIONS
STABS_DEBUG
DWARF_DEBUG
-
- NOTES
}
diff --git a/include/asm-generic/vmlinux.lds.h
b/include/asm-generic/vmlinux.lds.h
index a2b09ed..0240e05 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -224,7 +224,11 @@
}
#define NOTES \
- .notes : { *(.note.*) } :note
+ .notes : AT(ADDR(.notes) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__start_notes) = .; \
+ *(.note.*) \
+ VMLINUX_SYMBOL(__stop_notes) = .; \
+ }
#define INITCALLS \
*(.initcall0.init) \
-
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