*** NOTE: this series applies over the 'Factorize ARM relocate_code instances' series.
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 v2: - use $< instead of $(obj)u-boot - new in V2: remove all dynsym references - various comment fixes Albert ARIBAUD (6): arm: ensure u-boot only uses relative relocations remove all references to .dynsym arm: generalize lib/bss.c into lib/sections.c arm: make __image_copy_{start,end} compiler-generated arm: make __rel_dyn_{start,end} compiler-generated arm: optimize relocate_code routine Makefile | 7 +++ arch/arm/config.mk | 5 ++ arch/arm/cpu/arm920t/ep93xx/u-boot.lds | 6 ++- arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds | 5 -- arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds | 5 -- arch/arm/cpu/ixp/u-boot.lds | 20 +++++--- arch/arm/cpu/u-boot-spl.lds | 6 +-- arch/arm/cpu/u-boot.lds | 21 +++++--- arch/arm/lib/Makefile | 2 +- arch/arm/lib/relocate.S | 61 ++++++------------------ arch/arm/lib/{bss.c => sections.c} | 8 +++- board/actux1/u-boot.lds | 20 +++++--- board/actux2/u-boot.lds | 20 +++++--- board/actux3/u-boot.lds | 20 +++++--- board/ait/cam_enc_4xx/u-boot-spl.lds | 5 -- board/davinci/da8xxevm/u-boot-spl-da850evm.lds | 5 -- board/davinci/da8xxevm/u-boot-spl-hawk.lds | 1 - board/dvlhost/u-boot.lds | 20 +++++--- board/freescale/mx31ads/u-boot.lds | 20 +++++--- board/vpac270/u-boot-spl.lds | 6 +-- include/asm-generic/sections.h | 3 -- 21 files changed, 139 insertions(+), 127 deletions(-) rename arch/arm/lib/{bss.c => sections.c} (79%) -- 1.7.10.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot