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authorTejun Heo <tj@kernel.org>2009-07-09 11:27:40 +0900
committerTejun Heo <tj@kernel.org>2009-07-09 11:27:40 +0900
commit023bf6f1b8bf58dc4da7f0dc1cf4787b0d5297c1 (patch)
tree780331cadf207ced67dfcdf36a6479dc0e3d3c04 /arch/um/kernel/uml.lds.S
parent1dcdd0911b5553f0282ce8525773955b59a56919 (diff)
linker script: unify usage of discard definition
Discarded sections in different archs share some commonality but have considerable differences. This led to linker script for each arch implementing its own /DISCARD/ definition, which makes maintaining tedious and adding new entries error-prone. This patch makes all linker scripts to move discard definitions to the end of the linker script and use the common DISCARDS macro. As ld uses the first matching section definition, archs can include default discarded sections by including them earlier in the linker script. ia64 is notable because it first throws away some ia64 specific subsections and then include the rest of the sections into the final image, so those sections must be discarded before the inclusion. defconfig compile tested for x86, x86-64, powerpc, powerpc64, ia64, alpha, sparc, sparc64 and s390. Michal Simek tested microblaze. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Mike Frysinger <vapier@gentoo.org> Tested-by: Michal Simek <monstr@monstr.eu> Cc: linux-arch@vger.kernel.org Cc: Michal Simek <monstr@monstr.eu> Cc: microblaze-uclinux@itee.uq.edu.au Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/um/kernel/uml.lds.S')
-rw-r--r--arch/um/kernel/uml.lds.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 1f8a622cabe1..2ebd39765db8 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -101,5 +101,5 @@ SECTIONS
DWARF_DEBUG
- /DISCARD/ : { *(.discard) }
+ DISCARDS
}