forked from Minki/linux
e390f9a968
The '__unreachable' and '__func_stack_frame_non_standard' sections are
only used at compile time. They're discarded for vmlinux but they
should also be discarded for modules.
Since this is a recurring pattern, prefix the section names with
".discard.". It's a nice convention and vmlinux.lds.h already discards
such sections.
Also remove the 'a' (allocatable) flag from the __unreachable section
since it doesn't make sense for a discarded section.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301180444.lhd53c5tibc4ns77@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
26 lines
852 B
Plaintext
26 lines
852 B
Plaintext
/*
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* Common module linker script, always used when linking a module.
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* Archs are free to supply their own linker scripts. ld will
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* combine them automatically.
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*/
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SECTIONS {
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/DISCARD/ : {
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*(.discard)
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*(.discard.*)
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}
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__ksymtab 0 : { *(SORT(___ksymtab+*)) }
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__ksymtab_gpl 0 : { *(SORT(___ksymtab_gpl+*)) }
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__ksymtab_unused 0 : { *(SORT(___ksymtab_unused+*)) }
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__ksymtab_unused_gpl 0 : { *(SORT(___ksymtab_unused_gpl+*)) }
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__ksymtab_gpl_future 0 : { *(SORT(___ksymtab_gpl_future+*)) }
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__kcrctab 0 : { *(SORT(___kcrctab+*)) }
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__kcrctab_gpl 0 : { *(SORT(___kcrctab_gpl+*)) }
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__kcrctab_unused 0 : { *(SORT(___kcrctab_unused+*)) }
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__kcrctab_unused_gpl 0 : { *(SORT(___kcrctab_unused_gpl+*)) }
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__kcrctab_gpl_future 0 : { *(SORT(___kcrctab_gpl_future+*)) }
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. = ALIGN(8);
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.init_array 0 : { *(SORT(.init_array.*)) *(.init_array) }
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}
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