CVS commit: src/libexec/ld.elf_so

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

Module Name:    src
Committed By:   kamil
Date:           Sat Feb 29 04:24:34 UTC 2020

Modified Files:
        src/libexec/ld.elf_so: headers.c reloc.c rtld.h symbol.c

Log Message:
Implement DT_GNU_HASH

DT_GNU_HASH serves the same purpose as DT_HASH, however it is a distinct
and faster apprach implemented and designed in the GNU toolchain in 2006.

DT_GNU_HASH is preferred whenever available.

Original GNU benchmarks claim 50% faster dynamic linking time.
https://www.sourceware.org/ml/binutils/2006-06/msg00418.html

Code based on FreeBSD and OpenBSD, both were based on DragonFlyBSD.


To generate a diff of this commit:
cvs rdiff -u -r1.65 -r1.66 src/libexec/ld.elf_so/headers.c
cvs rdiff -u -r1.115 -r1.116 src/libexec/ld.elf_so/reloc.c
cvs rdiff -u -r1.137 -r1.138 src/libexec/ld.elf_so/rtld.h
cvs rdiff -u -r1.71 -r1.72 src/libexec/ld.elf_so/symbol.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.