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authorRoland McGrath <roland@redhat.com>2007-07-19 10:48:36 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 19:04:47 +0200
commitcbe87121f1545bb3e98ae114519bf0c4db27d6ab (patch)
tree5654badf0076dad480ae5832be943930d1cfe6a6 /include/asm-generic/vmlinux.lds.h
parentfix ext4/JBD2 build warnings (diff)
downloadlinux-cbe87121f1545bb3e98ae114519bf0c4db27d6ab.tar.xz
linux-cbe87121f1545bb3e98ae114519bf0c4db27d6ab.zip
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 <roland@redhat.com> Cc: Andi Kleen <ak@suse.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--include/asm-generic/vmlinux.lds.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index a2b09ed852ad..0240e0506a07 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) \