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2018-10-12vmlinux.lds.h: Fix incomplete .text.exit discardsPeter Oberparleiter1-0/+2
Enabling CONFIG_GCOV_PROFILE_ALL=y causes linker errors on ARM: `.text.exit' referenced in section `.ARM.exidx.text.exit': defined in discarded section `.text.exit' `.text.exit' referenced in section `.fini_array.00100': defined in discarded section `.text.exit' And related errors on NDS32: `.text.exit' referenced in section `.dtors.65435': defined in discarded section `.text.exit' The gcov compiler flags cause certain compiler versions to generate additional destructor-related sections that are not yet handled by the linker script, resulting in references between discarded and non-discarded sections. Since destructors are not used in the Linux kernel, fix this by discarding these additional sections. Reported-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Reported-by: Greentime Hu <green.hu@gmail.com> Tested-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2018-05-19ARM: 8774/1: remove no-op macro VMLINUX_SYMBOL()Masahiro Yamada1-8/+8
VMLINUX_SYMBOL() is no-op unless CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX is defined. It has ever been selected only by BLACKFIN and METAG. VMLINUX_SYMBOL() is unneeded for ARM-specific code. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-03-09ARM: simplify and fix linker script for TCMNicolas Pitre1-46/+6
Let's put the TCM stuff in the __init section directly. No need for a separately freed memory area. Remove redundant linker sections, as well as comments that were more confusing than no comments at all. Finally make it XIP compatible by using LOAD_OFFSET in the section LMA specification. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out TCM bitsNicolas Pitre1-0/+60
This is a plain move with identical results, and therefore still broken in the XIP case. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out vectors and stubsNicolas Pitre1-0/+21
Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out unwinding table sectionsNicolas Pitre1-0/+14
Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out stuff for the .text sectionNicolas Pitre1-0/+20
Move common entries to vmlinux.lds.h as ARM_TEXT. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out stuff for the DISCARD sectionNicolas Pitre1-0/+20
Move common entries to vmlinux.lds.h and leave XIP and non-XIP entries in their respective file. The ARM_NOMMU_KEEP() and ARM_NOMMU_DISCARD() macros are added to be usable within the definition of ARM_DISCARD macro. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
2018-03-09ARM: linker script: factor out some common definitions between XIP and non-XIPNicolas Pitre1-0/+40
Lots of duplications between vmlinux.lds.S and vmlinux-xip.lds.S. This may lead to one file being updated but not the other. For example, SOFTIRQENTRY_TEXT and HYPERVISOR_TEXT were missing from the XIP version. This creates vmlinux.lds.h where a bunch of common defines are moved. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
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