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5 Commits

Author SHA1 Message Date
Rafael Espindola 0347c0b874 Don't create a bogus PT_PHDR if we don't allocate the headers. 
llvm-svn: 292644
 2017-01-20 20:46:15 +00:00
Rafael Espindola be6073345e Start linker scripts at 0. 
We were implicitly creating space for the headers. That is not the
behaviour of bfd, which requires the script to use SIZEOF_HEADERS. The
difference is important for scripts that don't use SIZEOF_HEADERS and
expect the first section to be at 0.

llvm-svn: 282818
 2016-09-30 00:16:11 +00:00
Rafael Espindola e979fd1bf0 Don't put ro before rx when using linker scripts. 
Since they end up going on the same PT_LOAD, there is no reason to
sort them. This matches bfd's behaviour and is user visible in the
placement of orphan sections.

llvm-svn: 282799
 2016-09-29 22:48:55 +00:00
Rafael Espindola 6d91fce526 Don't error if we can't put the header in a PT_LOAD. 
If there is not sufficient address space, just give up and don't put
the header in the PT_LOAD.

This matches bfd behaviour and I found at least one script that
depends on having a section at address 0.

llvm-svn: 282750
 2016-09-29 18:50:34 +00:00
Rafael Espindola 4ec013ac83 Error out instead of producing a corrupt PT_LOAD. 
What bfd and gold do is give up in putting the headers in the PT_LOAD
and just start the PT_LOAD in the second page.

llvm-svn: 281660
 2016-09-15 21:22:11 +00:00