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Groups > linux.kernel > #1338200
| From | "Luis R. Rodriguez" <mcgrof@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC v2 4/7] asm/sections: add a generic push_section_tbl() |
| Date | 2016-02-19 14:50 +0100 |
| Message-ID | <r3TBw-5OY-25@gated-at.bofh.it> (permalink) |
| References | <r3TBv-5OY-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
With a generic linker tables solution in place we need a general asm solution for declaring entries with asm. The first easy target is to cover the C asm declarations, guard the header file for now and define a first generic entry push_section_tbl() to be used later for custom linker table annotations. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> --- include/asm-generic/sections.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index af0254c09424..f5ea98bd85d2 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -3,8 +3,10 @@ /* References to section boundaries */ +#ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/sections.h> /* * Usage guidelines: @@ -128,4 +130,12 @@ static inline bool init_section_intersects(void *virt, size_t size) return memory_intersects(__init_begin, __init_end, virt, size); } +/* + * Some architectures do not like the "\t" at the end (s39), we should be + * able to generalize this further, but so far this covers most architectures. + */ +#define push_section_tbl(section, name, level, flags) \ + ".pushsection " SECTION_TBL(section,name,level) ", \"" #flags "\"\n\t" +#endif + #endif /* _ASM_GENERIC_SECTIONS_H_ */ -- 2.7.0
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[RFC v2 0/7] linux: add linker tables "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
[RFC v2 3/7] firmware: port built-in section to linker table "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
[RFC v2 6/7] dynamic_debug: port to use linker tables "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
[RFC v2 5/7] jump_label: port __jump_table to linker tables "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
[RFC v2 1/7] sections.h: add sections header to collect all section info "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
Re: [RFC v2 1/7] sections.h: add sections header to collect all section info Greg KH <gregkh@linuxfoundation.org> - 2016-02-19 17:30 +0100
Re: [RFC v2 1/7] sections.h: add sections header to collect all section info "Luis R. Rodriguez" <mcgrof@suse.com> - 2016-02-19 21:10 +0100
Re: [RFC v2 1/7] sections.h: add sections header to collect all section info Greg KH <gregkh@linuxfoundation.org> - 2016-02-19 22:30 +0100
Re: [RFC v2 1/7] sections.h: add sections header to collect all section info "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 23:10 +0100
[RFC v2 4/7] asm/sections: add a generic push_section_tbl() "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
Re: [RFC v2 4/7] asm/sections: add a generic push_section_tbl() "H. Peter Anvin" <hpa@zytor.com> - 2016-02-19 21:40 +0100
Re: [RFC v2 4/7] asm/sections: add a generic push_section_tbl() "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 22:10 +0100
Re: [RFC v2 4/7] asm/sections: add a generic push_section_tbl() "H. Peter Anvin" <hpa@zytor.com> - 2016-02-22 04:00 +0100
[RFC v2 7/7] kprobes: port to linker table "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 14:50 +0100
Re: [RFC v2 7/7] kprobes: port to linker table Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-19 15:20 +0100
Re: [RFC v2 7/7] kprobes: port to linker table "Luis R. Rodriguez" <mcgrof@suse.com> - 2016-02-19 16:00 +0100
RE: [RFC v2 7/7] kprobes: port to linker table 平松雅巳 / HIRAMATU,MASAMI <masami.hiramatsu.pt@hitachi.com> - 2016-02-22 02:40 +0100
Re: [RFC v2 0/7] linux: add linker tables "H. Peter Anvin" <hpa@zytor.com> - 2016-02-19 21:30 +0100
Re: [RFC v2 0/7] linux: add linker tables "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 22:30 +0100
Re: [RFC v2 2/7] tables.h: add linker table support "H. Peter Anvin" <hpa@zytor.com> - 2016-02-19 21:40 +0100
Re: [RFC v2 2/7] tables.h: add linker table support "Luis R. Rodriguez" <mcgrof@kernel.org> - 2016-02-19 22:50 +0100
Re: [RFC v2 2/7] tables.h: add linker table support "H. Peter Anvin" <hpa@zytor.com> - 2016-02-19 21:40 +0100
Re: [RFC v2 2/7] tables.h: add linker table support "Luis R. Rodriguez" <mcgrof@suse.com> - 2016-02-19 22:20 +0100
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