Re: arm-ld, -q and interworking code

[tanaka <tanaka at personal-media dot co dot jp>]

I want to execute a program which includes ARM/THUMB interworking code, 
on some systems.
The system require relocatable format program.
The program which includes only ARM code already runs fine.

tanaka

Daniel Jacobowitz wrote:
> On Fri, Apr 09, 2004 at 11:34:18AM +0900, tanaka wrote:
>
> > Thanks for your reply.
> >
> > ld's help says,
> >
> > > -q, --emit-relocs           Generate relocations in final output
> >
> > so, ld should emit relocation information at the offset 00000014, 
> > shouldn't it?
>
>
> That's debatable.  What it actually means is, relocations from the
> input files are preserved in the output.
>
>
> > best regards.
> >
> > ------
> > tanaka
> >
> >
> >
> > Daniel Jacobowitz wrote:
> >
> > > On Wed, Apr 07, 2004 at 02:06:49PM +0900, tanaka wrote:
> > >
> > >
> > > > Hello,
> > > >
> > > > LD for ARM does not emits relocation information for the address
> > > > which is in the interworking code When executed with -q option.
> > > >
> > > >
> > > >
> > > > > ------------ test.r --------------
> > > > > test:     file format elf32-littlearm
> > > > >
> > > > > RELOCATION RECORDS FOR [.text]:
> > > > > OFFSET   TYPE              VALUE
> > > > > 00000000 R_ARM_PC24        main
> > > >
> > > > I think
> > > >
> > > > 00000014 ??????            ?????
> > > >
> > > > is missing. Is this bug?
> > >
> > >
> > > No.  Or at least, not really.
> > >
> > >
> > >
> > > > 0010000c <__main_from_arm>:
> > > > 10000c:	e59fc000 	ldr	ip, [pc, #0]	; 100014 
> > > > <__main_from_arm+0x8>
> > > > 100010:	e12fff1c 	bx	ip
> > > > 100014:	00100005 	andeqs	r0, r0, r5
> > > > -----------------------------------
> > >
> > >
> > > This is a statically linked executable.  The linker fills in the
> > > address of main, but has no reason to use a relocation to do so.