[Bug binutils/21725] [2.29 Regression] binutils fails to build glibc-2.24 on aarch64-linux-gnu and arm-linux-gnueabihf

[jiwang at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21725

--- Comment #8 from Jiong Wang <jiwang at gcc dot gnu.org> ---
sysdeps/arm/dl-machine.h:

elf_machine_load_address (void)
   extern Elf32_Addr internal_function __dl_start (void *) asm ("_dl_start");
   Elf32_Addr got_addr = (Elf32_Addr) &__dl_start;
   Elf32_Addr pcrel_addr;
#ifdef __thumb__
  /* Clear the low bit of the funciton address.  */
  got_addr &= ~(Elf32_Addr) 1;
#endif
   asm ("adr %0, _dl_start" : "=r" (pcrel_addr));
   return pcrel_addr - got_addr;

The __thumb__ hunk is suspicious, as Nick's patch will also update the low bit.

If I remove the "#ifdef __thumb__", the generated ld.so will also work.

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