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SubjectRe: [PATCH] fix for pseudo symbol swapping with scripts/kallsyms - linux-2.6.10-rc1-bk12 & gcc 3.4.2
On Sat, Nov 06, 2004 at 12:25:58AM +0100, Sam Ravnborg wrote:
> The linker will adhere to any alingment demands in the section,
> but not the labels. So the real fix is to make sure the labels are
> defined inside the section.
> Please try attached (untested) patch.
>
> Check that error is present without patch, and it is fixed with the patch.

This patch is better - we cannot define sections within sections.

Sam

===== include/asm-generic/vmlinux.lds.h 1.16 vs edited =====
--- 1.16/include/asm-generic/vmlinux.lds.h 2004-10-06 18:45:06 +02:00
+++ edited/include/asm-generic/vmlinux.lds.h 2004-11-06 21:56:11 +01:00
@@ -6,6 +6,11 @@
#define VMLINUX_SYMBOL(_sym_) _sym_
#endif

+/* Aling functions to a 32 byte boundary.
+ * This prevents lables defined to mark start/end of section to differ
+ * during pass 1 and pass 2 when generating Systme.map */
+#define ALIGN_FUNCTION() . = ALIGN(8)
+
#define RODATA \
.rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \
*(.rodata) *(.rodata.*) \
@@ -77,11 +82,13 @@
}

#define SCHED_TEXT \
+ ALIGN_FUNCTION(); \
VMLINUX_SYMBOL(__sched_text_start) = .; \
*(.sched.text) \
VMLINUX_SYMBOL(__sched_text_end) = .;

#define LOCK_TEXT \
+ ALIGN_FUNCTION(); \
VMLINUX_SYMBOL(__lock_text_start) = .; \
*(.spinlock.text) \
VMLINUX_SYMBOL(__lock_text_end) = .;
-
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