On Mon, Feb 25, 2013 at 05:20:34PM +0100, Daniel Schwierzeck wrote: > Hi Albert, Tom, > > 2013/2/25 Tom Rini <tr...@ti.com>: > > On Mon, Feb 25, 2013 at 11:58:56AM +0100, Albert ARIBAUD wrote: > > > >> R_ARM_ABS32 relocation records cause symbol references > >> to be zero before relocation, and become correct only > >> after relocation. On the other hand, R_ARM_RELATIVE > >> records make references correct before as well as > >> after relocation. > >> > >> This patch series aims at removing all R_ARM_ABS32 > >> relocations from ARM targets. > >> > >> the main contributor of R_ARM_ABS32 relocations is the > >> support code for linker-lists, aka Linker-Generated > >> Arrays. This is due to the fact that LGA start and end > >> symbols, used for ranging these arrays, are linker- > >> generated symbols, which always relocate as R_ARM_ABS32 > >> even though they are supposed *not* to be absolute. > >> > >> V1 of this patch series fixed LGAs so that start or > >> end symbols are actually compiler-generated, and thus > >> their references are relocated using R_ARM_RELATIVE; > >> V2 also fixes crt0 so that BSS start and end references > >> do not produce R_ARM_ABS32 relocations either. > >> > >> With V2, none of the targets built with MAKEALL -a arm > >> produces any R_ARM_ABS32 relocation. > >> > >> This series has been build-tested with ARM (295 targets > >> clean) and powerpc (634 targets clean) > >> > >> Changes in v2: > >> - fixed missing .sram memory mapping in OMAP lds > >> - removed useless linker script sections in SPL lds files > >> - made BSS start and end compiler-generated > >> - moved SPL linker script changes to their own commit > >> - added KEEP() to all linker files > >> - removed spurious change to common/command.c > >> - changed empty type from struct {} to char[0] > >> - dropped patch to removed board/micronas/vct/u-boot.lds > >> - removed all references to u-boot.lst > >> > >> Albert ARIBAUD (4): > >> arm: omap: map u_boot_lists section to .sram > >> Remove linker lists (LGAs) from SPL linker scripts > >> arm: make __bss_start and __bss_end__ compiler-generated > >> Refactor linker-generated arrays > > > > Reviewed-by: Tom Rini <tr...@ti.com> > > > > Aside from ARM and I assume Sandbox, has this been runtime tested on > > other arches yet? > > > > I've runtime tested the refactored LGA on MIPS, so > > Tested-by: Daniel Schwierzeck <daniel.schwierz...@gmail.com>
I've also now tested this on am335x_evm as part of seeing if it resolved another issue: Tested-by: Tom Rini <tr...@ti.com> Lets bring this in please, thanks! -- Tom
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