[PATCH] ld: Allow R_X86_64_GOTPCREL for call *__tls_get_addr@GOTPCREL(%rip)

[Fangrui Song]

_Thread_local int a;
int main() { return a; }

% gcc -fno-plt -fpic a.c -fuse-ld=bfd -Wa,-mrelax-relocations=no
/usr/bin/ld.bfd: /tmp/ccSSBgrg.o: TLS transition from R_X86_64_TLSGD to R_X86_64_GOTTPOFF against `a' at 0xd in section `.text' failed
/usr/bin/ld.bfd: failed to set dynamic section sizes: bad value
collect2: error: ld returned 1 exit status

This commit fixes the issue.

    PR ld/24784
    * bfd/elf64-x86-64.c (elf_x86_64_check_tls_transition): Allow
      R_X86_64_GOTPCREL.
---
 bfd/elf64-x86-64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 914f82d0151..095fe2e0fe6 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -1241,7 +1241,7 @@ elf_x86_64_check_tls_transition (bfd *abfd,
 	  if (largepic)
 	    return r_type == R_X86_64_PLTOFF64;
 	  else if (indirect_call)
-	    return r_type == R_X86_64_GOTPCRELX;
+	    return (r_type == R_X86_64_GOTPCRELX || r_type == R_X86_64_GOTPCREL);
 	  else
 	    return (r_type == R_X86_64_PC32 || r_type == R_X86_64_PLT32);
 	}
-- 
2.39.0.314.g84b9a713c41-goog