Date: Fri, 8 Feb 2002 12:19:12 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Polstra <jdp@polstra.com> Cc: freebsd-alpha@freebsd.org Subject: RE: more on recent current alpha rtld/binutils breakage. Message-ID: <15460.2192.700851.947838@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.020208091511.jdp@polstra.com> References: <15460.1586.888567.63521@grasshopper.cs.duke.edu> <XFMail.020208091511.jdp@polstra.com>
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John Polstra writes:
> On 08-Feb-02 Andrew Gallatin wrote:
> >
> > I think this implies that either the kernel isn't setting up the map
> > correctly, or that the elf header is wrong & its not marked
> > executable.
> >
> > _rtld seems to be in the text section:
> >
> > 5 .text 00012d20 0000000000007340 0000000000007340 00007340 2**5
> >
>
> If you do "objdump -p" on the dynamic linker it will show the load
> segments, among other things. The "flags" field at the end of the
> line shows the permissions given to the segment.
>
> John
Do the flags look OK? If I'm reading it right, I think they're ok... It looks mostly the same as when linked with the old ld:
ld-elf.so.1.bad: file format elf64-alpha
Program Header:
LOAD off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**16
filesz 0x000000000001b9ae memsz 0x000000000001b9ae flags r-x
LOAD off 0x000000000001b9b0 vaddr 0x000000000002b9b0 paddr 0x000000000002b9b0 align 2**16
filesz 0x00000000000024f8 memsz 0x0000000000003a80 flags rwx
DYNAMIC off 0x000000000001d1a8 vaddr 0x000000000002d1a8 paddr 0x000000000002d1a8 align 2**3
filesz 0x0000000000000100 memsz 0x0000000000000100 flags rw-
Dynamic Section:
SYMBOLIC 0x0
HASH 0xe8
STRTAB 0x33f0
SYMTAB 0x13e0
STRSZ 0xdb2
SYMENT 0x18
PLTGOT 0x2d2a8
RELA 0x41a8
RELASZ 0x3180
RELAENT 0x18
ld-elf.so.1.good: file format elf64-alpha
Program Header:
LOAD off 0x0000000000000000 vaddr 0x0000000000000000 paddr 0x0000000000000000 align 2**16
filesz 0x000000000001bbce memsz 0x000000000001bbce flags r-x
LOAD off 0x000000000001bbd0 vaddr 0x000000000002bbd0 paddr 0x000000000002bbd0 align 2**16
filesz 0x00000000000024a8 memsz 0x0000000000003a30 flags rwx
DYNAMIC off 0x000000000001dfc8 vaddr 0x000000000002dfc8 paddr 0x000000000002dfc8 align 2**3
filesz 0x00000000000000b0 memsz 0x00000000000000b0 flags rw-
Dynamic Section:
SYMBOLIC 0x0
HASH 0xe8
STRTAB 0x33f0
SYMTAB 0x13e0
STRSZ 0xfe9
SYMENT 0x18
PLTGOT 0x2d3c8
RELA 0x43e0
RELASZ 0x3180
RELAENT 0x18
What next?
Thanks,
Drew
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