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alistair23-linux/tools/objtool
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Peter Zijlstra 5303899687 objtool: Optimize find_section_by_index() 
In order to avoid a linear search (over 20k entries), add an
section_hash to the elf object.

This reduces objtool on vmlinux.o from a few minutes to around 45
seconds.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200324160924.381249993@infradead.org
2020-03-25 18:28:28 +01:00
..
arch/x86 objtool: Move x86 insn decoder to a common location 2019-08-31 22:27:52 -03:00
Documentation docs: fix broken documentation links 2019-06-08 13:42:13 -06:00
.gitignore objtool: Move synced files to their original relative locations 2017-11-07 10:48:23 +01:00
arch.h objtool: Support conditional retpolines 2019-07-18 21:01:10 +02:00
Build objtool: Fix build by linking against tools/lib/ctype.o sources 2019-07-02 10:49:31 -03:00
builtin-check.c objtool: Add a statistics mode 2020-03-25 18:28:28 +01:00
builtin-orc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
builtin.h objtool: Add a statistics mode 2020-03-25 18:28:28 +01:00
cfi.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
check.c objtool: Add a statistics mode 2020-03-25 18:28:28 +01:00
check.h objtool: Improve UACCESS coverage 2019-07-25 08:36:39 +02:00
elf.c objtool: Optimize find_section_by_index() 2020-03-25 18:28:28 +01:00
elf.h objtool: Optimize find_section_by_index() 2020-03-25 18:28:28 +01:00
Makefile objtool: Fix ARCH=x86_64 build error 2020-01-22 07:54:57 +01:00
objtool.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
orc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
orc_dump.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
orc_gen.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
special.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
special.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
sync-check.sh objtool: Silence build output 2020-01-22 07:54:34 +01:00
warn.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00