Re: A binary that has PT_LOAD more than 2

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Tue, Sep 25, 2018 at 17:57:19 +0900, Ryo ONODERA wrote:

> The Go language compiler (pkgsrc/lang/go111) produces
> three PT_LOAD in a ELF executable.
> And I found that LLD linker from LLVM also produces three PT_LOAD.
> 
> Our ldd(8) command cannot accept three PT_LOAD now.
> Can we accept three or more PT_LOAD in our ldd(8)?
> 
> Are there any other issues to be discussed to support three PT_LOAD
> binaries?

Define "our"?

libexec/ld.elf_so/headers.c:

 revision 1.62
 date: 2017-06-23 18:29:21 +0300;  author: joerg;  state: Exp;  lines: +11 -12;  commitid: 9duF2Q9DPoICLvWz;
 branches:  1.62.4;
 Remove old assert that only two segments exist. The rest of the code has
 been changed to cope with more and at least Go actively creates them.
 Adjust the mapping size computation to use the maximum and not depend on
 PT_LOAD segments to be in order.

and this is in current and -8.

http://gnats.netbsd.org/16983

-uwe