| Message ID | 20090709163900.GA6549@farnsworth.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Kumar Gala |
| Headers | show |
On Jul 9, 2009, at 11:39 AM, Dale Farnsworth wrote: > On Wed, Jul 08, 2009 at 05:41:39PM -0500, Kumar Gala wrote: >> We are seeing an issue w/ld and kernel linking of 32-bit kernels. >> >> The ld from fedora 11 (2.19.51.0.2-17.fc11 20090204) ends not >> providing >> the proper address for _end. >> >> Building stock v2.6.30 w/the mpc85xx_defconfig we get: >> >> 00001000 A _end >> >> Using 2.18.50.20080215 we get: >> >> c0680000 A _end >> >> If we modify the linker script: >> >> _end2 = .; >> _end3 = ALIGN(4096); >> _end4 = ALIGN(PAGE_SIZE); >> . = ALIGN(PAGE_SIZE); >> _end = . ; >> PROVIDE32 (end = .); >> >> and the result is: >> >> 00001000 A _end >> c067f678 A _end2 >> c0680000 A _end3 >> c0680000 A _end4 >> >> I used an old version of linker (2.18.50.20080215) and re-linked: >> >> c067f678 A _end2 >> c0680000 A _end >> c0680000 A _end3 >> c0680000 A _end4 >> >> Any ideas? > > We have found the following workaround to be useful. > Thanks to Andrew Jenner at Code Sourcery. > > -Dale > > Dale Farnsworth > MontaVista Software > > diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/ > vmlinux.lds.S > index acf237f..34b0181 100644 > --- a/arch/powerpc/kernel/vmlinux.lds.S > +++ b/arch/powerpc/kernel/vmlinux.lds.S > @@ -282,4 +282,7 @@ SECTIONS > . = ALIGN(PAGE_SIZE); > _end = . ; > PROVIDE32 (end = .); > + > +#undef PPC > + .PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) } > } Is there any plans to fix binutils or is this viewed as not a binutils regression? - k
On Thu, Jul 09, 2009 at 01:14:28PM -0500, Kumar Gala wrote: > On Jul 9, 2009, at 11:39 AM, Dale Farnsworth wrote: >> We have found the following workaround to be useful. >> Thanks to Andrew Jenner at Code Sourcery. >> >> -Dale >> >> Dale Farnsworth >> MontaVista Software >> >> diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/ >> vmlinux.lds.S >> index acf237f..34b0181 100644 >> --- a/arch/powerpc/kernel/vmlinux.lds.S >> +++ b/arch/powerpc/kernel/vmlinux.lds.S >> @@ -282,4 +282,7 @@ SECTIONS >> . = ALIGN(PAGE_SIZE); >> _end = . ; >> PROVIDE32 (end = .); >> + >> +#undef PPC >> + .PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) } >> } > > Is there any plans to fix binutils or is this viewed as not a binutils > regression? It sure looks like a regression to me, but I don't have details on a potential fix. -Dale
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index acf237f..34b0181 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -282,4 +282,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); _end = . ; PROVIDE32 (end = .); + +#undef PPC + .PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) } }