[PATCH] D19272: [ELF] - linkerscript AT keyword (in output section description) implemented.

[Ed Maste via llvm-commits]

emaste added a comment.

FYI the linker script parser now handles all of the FreeBSD kernel linker script except for `AT`. Now the only kernel linker script workaround in my test FreeBSD tree is:

  diff --git a/sys/conf/ldscript.amd64 b/sys/conf/ldscript.amd64
  index d445857..3efca9a 100644
  --- a/sys/conf/ldscript.amd64
  +++ b/sys/conf/ldscript.amd64
  @@ -8,12 +8,7 @@ SECTIONS
     /* Read-only sections, merged into text segment: */
     kernphys = CONSTANT (MAXPAGESIZE);
     . = kernbase + kernphys + SIZEOF_HEADERS;
  -  /*
  -   * Use the AT keyword in order to set the right LMA that contains
  -   * the physical address where the section should be loaded. This is
  -   * needed for the Xen loader which honours the LMA.
  -   */
  -  .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
  +  .interp         : { *(.interp) }
     .hash           : { *(.hash) }
     .gnu.hash       : { *(.gnu.hash) }
     .dynsym         : { *(.dynsym) }


https://reviews.llvm.org/D19272