From: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 0/6] Optimize ARM relocation
Date: Thu, 13 Jun 2013 00:38:24 +0200 (CEST) [thread overview]
Message-ID: <14102706.1924060.1371076704447.JavaMail.root@advansee.com> (raw)
In-Reply-To: <1370953055-13482-1-git-send-email-albert.u.boot@aribaud.net>
Hi Albert,
On Tuesday, June 11, 2013 2:17:29 PM, Albert ARIBAUD wrote:
> This series optimizes relocation by ensuring ARM
> binaries only use one type of relocation record,
> R_ARM_RELATIVE., then optimizing relocation code
> accordingly.
>
> 1. A Makefile rule is added that checks that no
> other relocation record types are generated except
> R_ARM_RELATIVE; build fails if this is the case.
>
> 2. All references to dymsym are removed, as this
> table is not used for R_ARM_RELATIVE relocations.
>
> 3. arch/arm/lib/bss.c is replaced by a more generic
> arch/arm/lib/sections.c where all section symbols will
> be defined.
>
> 4. __image_copy_start and __image_copy_end symbols
> are moved from linker scripts to arch/arm/lib/sections.c
>
> 5. __rel_dyn_start and __rel_dyn_end are moved from
> linker scripts into arch/arm/lib/sections.c
>
> 6. relocate_code is optimized based on the fact that
> symbol references are now always valid even before
> relcation, and that only R_ARM_RELATIVE relocations
> will be met.
>
> Changes in v3:
> - fix commit message typo (of -> if)
> - fix commit message typo (breaks -> break)
For this v3 series:
Reviewed-by: Beno?t Th?baudeau <benoit.thebaudeau@advansee.com>
Best regards,
Beno?t
next prev parent reply other threads:[~2013-06-12 22:38 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-14 20:02 [U-Boot] [PATCH 0/5] Optimize ARM relocation Albert ARIBAUD
2013-05-14 20:02 ` [U-Boot] [PATCH 1/5] arm: generalize lib/bss.c into lib/sections.c Albert ARIBAUD
2013-05-14 20:02 ` [U-Boot] [PATCH 2/5] arm: make __image_copy_{start, end} compiler-generated Albert ARIBAUD
2013-05-14 20:02 ` [U-Boot] [PATCH 3/5] arm: make relocation symbols compiler-generated Albert ARIBAUD
2013-05-14 20:02 ` [U-Boot] [PATCH 4/5] arm: ensure u-boot only uses relative relocations Albert ARIBAUD
2013-05-14 20:03 ` [U-Boot] [PATCH 5/5] arm: optimize relocate_code routine Albert ARIBAUD
2013-05-14 23:54 ` Benoît Thébaudeau
2013-05-15 7:32 ` Albert ARIBAUD
2013-05-14 22:12 ` [U-Boot] [PATCH 4/5] arm: ensure u-boot only uses relative relocations Benoît Thébaudeau
2013-05-15 7:46 ` Albert ARIBAUD
2013-05-15 9:38 ` Albert ARIBAUD
2013-05-15 13:49 ` Benoît Thébaudeau
2013-05-15 15:01 ` Albert ARIBAUD
2013-05-14 22:09 ` [U-Boot] [PATCH 3/5] arm: make relocation symbols compiler-generated Benoît Thébaudeau
2013-05-15 6:39 ` Albert ARIBAUD
2013-05-15 6:41 ` Albert ARIBAUD
2013-05-14 20:16 ` [U-Boot] [PATCH 0/5] Optimize ARM relocation Albert ARIBAUD
2013-05-14 23:58 ` Benoît Thébaudeau
2013-05-15 7:49 ` Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 0/6] " Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 1/6] arm: ensure u-boot only uses relative relocations Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 2/6] remove all references to .dynsym Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 3/6] arm: generalize lib/bss.c into lib/sections.c Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 4/6] arm: make __image_copy_{start, end} compiler-generated Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 5/6] arm: make __rel_dyn_{start, " Albert ARIBAUD
2013-05-28 7:01 ` [U-Boot] [PATCH v2 6/6] arm: optimize relocate_code routine Albert ARIBAUD
2013-05-28 17:11 ` [U-Boot] [PATCH v2 4/6] arm: make __image_copy_{start, end} compiler-generated Benoît Thébaudeau
2013-05-28 17:04 ` [U-Boot] [PATCH v2 1/6] arm: ensure u-boot only uses relative relocations Benoît Thébaudeau
2013-05-28 17:31 ` Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 0/6] Optimize ARM relocation Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 1/6] arm: ensure u-boot only uses relative relocations Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 2/6] remove all references to .dynsym Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 3/6] arm: generalize lib/bss.c into lib/sections.c Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 4/6] arm: make __image_copy_{start, end} compiler-generated Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 5/6] arm: make __rel_dyn_{start, " Albert ARIBAUD
2013-06-11 12:17 ` [U-Boot] [PATCH v3 6/6] arm: optimize relocate_code routine Albert ARIBAUD
2013-06-11 12:47 ` [U-Boot] [PATCH v3 0/6] Optimize ARM relocation Albert ARIBAUD
2013-06-11 14:22 ` Lubomir Popov
2013-06-11 15:29 ` Albert ARIBAUD
2013-06-13 9:05 ` Albert ARIBAUD
2013-06-13 18:54 ` Jeroen Hofstee
2013-06-16 13:33 ` Jeroen Hofstee
2013-06-18 14:54 ` Albert ARIBAUD
2013-06-19 7:31 ` [U-Boot] [LONG] " Albert ARIBAUD
2013-06-12 22:38 ` Benoît Thébaudeau [this message]
2013-06-21 21:07 ` [U-Boot] " Albert ARIBAUD
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