From: Szabolcs Nagy via Libc-alpha <libc-alpha@sourceware.org>
To: Florian Weimer <fweimer@redhat.com>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 16/28] elf: Add glibc-hwcaps support for LD_LIBRARY_PATH
Date: Thu, 8 Oct 2020 11:13:06 +0100 [thread overview]
Message-ID: <20201008101305.GP29000@arm.com> (raw)
In-Reply-To: <47cb6998ed91f70f122de115b2e03ea5e82e5884.1601569371.git.fweimer@redhat.com>
The 10/01/2020 18:33, Florian Weimer via Libc-alpha wrote:
> This hacks non-power-set processing into _dl_important_hwcaps.
> Once the legacy hwcaps handling goes away, the subdirectory
> handling needs to be reworked, but it is premature to do this
> while both approaches are still supported.
...
> +/* Returns a bitmap of active subdirectories in _dl_hwcaps_subdirs.
> + Bit 0 (the LSB) corresponds to the first substring in
> + _dl_hwcaps_subdirs, bit 1 to the second substring, and so on.
> + There is no direct correspondence between HWCAP bitmasks and this
> + bitmask. */
> +int32_t _dl_hwcaps_subdirs_active (void) attribute_hidden;
if this returns a bitmask i would use uint32_t
to avoid overflowing shifts and have 32bits available.
next prev parent reply other threads:[~2020-10-08 10:13 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 16:31 [PATCH 00/28] glibc-hwcaps support Florian Weimer via Libc-alpha
2020-10-01 16:31 ` [PATCH 01/28] elf: Do not search HWCAP subdirectories in statically linked binaries Florian Weimer via Libc-alpha
2020-10-01 18:22 ` Adhemerval Zanella via Libc-alpha
2020-10-01 18:24 ` Carlos O'Donell via Libc-alpha
2020-10-01 18:29 ` Adhemerval Zanella via Libc-alpha
2020-10-01 20:24 ` Carlos O'Donell via Libc-alpha
2020-10-01 16:31 ` [PATCH 02/28] elf: Implement __rtld_malloc_is_full Florian Weimer via Libc-alpha
2020-10-01 18:23 ` Adhemerval Zanella via Libc-alpha
2020-10-08 9:44 ` Florian Weimer via Libc-alpha
2020-10-01 16:31 ` [PATCH 03/28] elf: Implement _dl_write Florian Weimer via Libc-alpha
2020-10-05 19:46 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:31 ` [PATCH 04/28] elf: Extract command-line/environment variables state from rtld.c Florian Weimer via Libc-alpha
2020-10-06 20:45 ` Adhemerval Zanella via Libc-alpha
2020-10-08 11:32 ` Florian Weimer via Libc-alpha
2020-10-01 16:32 ` [PATCH 05/28] elf: Move ld.so error/help output to _dl_usage Florian Weimer via Libc-alpha
2020-10-06 21:06 ` Adhemerval Zanella via Libc-alpha
2020-10-08 12:19 ` Florian Weimer via Libc-alpha
2020-10-01 16:32 ` [PATCH 06/28] elf: Record whether paths come from LD_LIBRARY_PATH or --library-path Florian Weimer via Libc-alpha
2020-10-07 16:39 ` Adhemerval Zanella via Libc-alpha
2020-10-07 16:49 ` Florian Weimer
2020-10-01 16:32 ` [PATCH 07/28] elf: Implement ld.so --help Florian Weimer via Libc-alpha
2020-10-07 17:16 ` Adhemerval Zanella via Libc-alpha
2020-10-08 13:13 ` Florian Weimer via Libc-alpha
2020-10-01 16:32 ` [PATCH 08/28] elf: Implement ld.so --version Florian Weimer via Libc-alpha
2020-10-07 18:36 ` Adhemerval Zanella via Libc-alpha
2020-10-07 18:38 ` Adhemerval Zanella via Libc-alpha
2020-10-08 13:37 ` Florian Weimer via Libc-alpha
2020-10-01 16:32 ` [PATCH 09/28] scripts/update-copyrights: Update csu/version.c, elf/dl-usage.c Florian Weimer via Libc-alpha
2020-10-07 18:41 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:32 ` [PATCH 10/28] elf: Use the term "program interpreter" in the ld.so help message Florian Weimer via Libc-alpha
2020-10-07 21:08 ` Adhemerval Zanella via Libc-alpha
2020-10-08 14:08 ` Florian Weimer via Libc-alpha
2020-10-01 16:32 ` [PATCH 11/28] elf: Print the full name of the dynamic loader " Florian Weimer via Libc-alpha
2020-10-08 12:38 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:32 ` [PATCH 12/28] elf: Make __rtld_env_path_list and __rtld_search_dirs global variables Florian Weimer via Libc-alpha
2020-10-08 13:27 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:32 ` [PATCH 13/28] elf: Add library search path information to ld.so --help Florian Weimer via Libc-alpha
2020-10-08 16:22 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:33 ` [PATCH 14/28] elf: Enhance ld.so --help to print HWCAP subdirectories Florian Weimer via Libc-alpha
2020-10-08 16:27 ` Adhemerval Zanella via Libc-alpha
2020-10-09 8:18 ` Florian Weimer via Libc-alpha
2020-10-09 13:49 ` Matheus Castanho via Libc-alpha
2020-10-09 17:08 ` Florian Weimer via Libc-alpha
2020-10-09 17:12 ` Florian Weimer via Libc-alpha
2020-10-09 18:54 ` Matheus Castanho via Libc-alpha
2020-10-12 9:47 ` Florian Weimer via Libc-alpha
2020-10-01 16:33 ` [PATCH 15/28] elf: Do not pass GLRO(dl_platform), GLRO(dl_platformlen) to _dl_important_hwcaps Florian Weimer via Libc-alpha
2020-10-08 18:04 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:33 ` [PATCH 16/28] elf: Add glibc-hwcaps support for LD_LIBRARY_PATH Florian Weimer via Libc-alpha
2020-10-08 10:13 ` Szabolcs Nagy via Libc-alpha [this message]
2020-10-09 9:08 ` Florian Weimer via Libc-alpha
2020-10-09 10:50 ` Szabolcs Nagy via Libc-alpha
2020-10-09 10:55 ` Florian Weimer via Libc-alpha
2020-10-09 11:03 ` Szabolcs Nagy via Libc-alpha
2020-10-08 23:16 ` Paul A. Clarke via Libc-alpha
2020-10-09 8:56 ` Florian Weimer via Libc-alpha
2020-10-09 13:19 ` Adhemerval Zanella via Libc-alpha
2020-10-12 11:54 ` Florian Weimer via Libc-alpha
2020-10-01 16:33 ` [PATCH 17/28] x86_64: Add glibc-hwcaps support Florian Weimer via Libc-alpha
2020-10-01 16:33 ` [PATCH 18/28] powerpc64le: " Florian Weimer via Libc-alpha
2020-10-01 18:56 ` Paul A. Clarke via Libc-alpha
2020-10-05 9:47 ` Florian Weimer via Libc-alpha
2020-10-05 19:15 ` Paul A. Clarke via Libc-alpha
2020-10-06 12:20 ` Florian Weimer via Libc-alpha
2020-10-06 17:45 ` Paul A. Clarke via Libc-alpha
2020-10-09 9:06 ` Florian Weimer via Libc-alpha
2020-10-01 16:33 ` [PATCH 19/28] s390x: Add " Florian Weimer via Libc-alpha
2020-10-01 16:33 ` [PATCH 20/28] aarch64: " Florian Weimer via Libc-alpha
2020-10-14 13:46 ` Adhemerval Zanella via Libc-alpha
2020-10-14 14:08 ` Florian Weimer via Libc-alpha
2020-10-14 14:15 ` Adhemerval Zanella via Libc-alpha
2020-10-14 14:37 ` Szabolcs Nagy via Libc-alpha
2020-10-14 14:43 ` Adhemerval Zanella via Libc-alpha
2020-10-14 15:13 ` Florian Weimer via Libc-alpha
2020-10-14 14:44 ` Florian Weimer via Libc-alpha
2020-10-14 15:09 ` Szabolcs Nagy via Libc-alpha
2020-10-01 16:33 ` [PATCH 21/28] elf: Add endianness markup to ld.so.cache Florian Weimer via Libc-alpha
2020-10-14 14:07 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:33 ` [PATCH 22/28] elf: Add extension mechanism " Florian Weimer via Libc-alpha
2020-10-15 17:52 ` Adhemerval Zanella via Libc-alpha
2020-10-30 12:22 ` Florian Weimer via Libc-alpha
2020-11-03 12:45 ` Adhemerval Zanella via Libc-alpha
2020-11-03 15:30 ` Florian Weimer via Libc-alpha
2020-10-01 16:34 ` [PATCH 23/28] elf: Unify old and new format cache handling code in ld.so Florian Weimer via Libc-alpha
2020-10-16 14:37 ` Adhemerval Zanella via Libc-alpha
2020-10-30 13:22 ` Florian Weimer via Libc-alpha
2020-11-03 13:02 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:34 ` [PATCH 24/28] elf: Implement a string table for ldconfig, with tail merging Florian Weimer via Libc-alpha
2020-10-20 14:25 ` Adhemerval Zanella via Libc-alpha
2020-10-30 17:08 ` Florian Weimer via Libc-alpha
2020-11-03 13:05 ` Adhemerval Zanella via Libc-alpha
2020-11-03 15:29 ` Florian Weimer via Libc-alpha
2020-10-01 16:34 ` [PATCH 25/28] elf: Implement tail merging of strings in ldconfig Florian Weimer via Libc-alpha
2020-10-22 21:08 ` Adhemerval Zanella via Libc-alpha
2020-10-30 17:36 ` Florian Weimer via Libc-alpha
2020-10-01 16:34 ` [PATCH 26/28] elf: In ldconfig, extract the new_sub_entry function from search_dir Florian Weimer via Libc-alpha
2020-10-27 13:15 ` Adhemerval Zanella via Libc-alpha
2020-10-01 16:34 ` [PATCH 27/28] elf: Process glibc-hwcaps subdirectories in ldconfig Florian Weimer via Libc-alpha
2020-10-27 17:28 ` Adhemerval Zanella via Libc-alpha
2020-11-04 11:57 ` Florian Weimer via Libc-alpha
2020-10-01 16:34 ` [PATCH 28/28] elf: Add glibc-hwcaps subdirectory support to ld.so cache processing Florian Weimer via Libc-alpha
2020-10-01 16:50 ` [PATCH 00/28] glibc-hwcaps support H.J. Lu via Libc-alpha
2020-10-01 16:54 ` Florian Weimer via Libc-alpha
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