[binutils-gdb] x86: Don't define _TLS_MODULE_BASE_ for ld -r

[H.J. Lu]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=04ad71937f28561ad5a2bbbc7e8f0af21e1019f8

commit 04ad71937f28561ad5a2bbbc7e8f0af21e1019f8
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Nov 22 13:58:47 2022 -0800

    x86: Don't define _TLS_MODULE_BASE_ for ld -r
    
    bfd/
    
            PR ld/29820
            * elfxx-x86.c (_bfd_x86_elf_always_size_sections): Don't define
             _TLS_MODULE_BASE_ for ld -r.
    
    ld/
    
            PR ld/29820
            * testsuite/ld-x86-64/pr29820.d: New file.
            * testsuite/ld-x86-64/pr29820.s: Likewise.
            * testsuite/ld-x86-64/x86-64.ex: Run pr29820.

Diff:
---
 bfd/elfxx-x86.c                   |  2 +-
 ld/testsuite/ld-x86-64/pr29820.d  |  6 ++++++
 ld/testsuite/ld-x86-64/pr29820.s  | 12 ++++++++++++
 ld/testsuite/ld-x86-64/x86-64.exp |  1 +
 4 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c
index c48d0385485..bbf868826e5 100644
--- a/bfd/elfxx-x86.c
+++ b/bfd/elfxx-x86.c
@@ -2932,7 +2932,7 @@ _bfd_x86_elf_always_size_sections (bfd *output_bfd,
 {
   asection *tls_sec = elf_hash_table (info)->tls_sec;
 
-  if (tls_sec)
+  if (tls_sec && !bfd_link_relocatable (info))
     {
       struct elf_link_hash_entry *tlsbase;
 
diff --git a/ld/testsuite/ld-x86-64/pr29820.d b/ld/testsuite/ld-x86-64/pr29820.d
new file mode 100644
index 00000000000..8dc5d6151c3
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr29820.d
@@ -0,0 +1,6 @@
+#ld: -r
+#readelf: -s -W
+
+#...
+ +[0-9]+: +0+ +0 +TLS +GLOBAL +DEFAULT +UND +_TLS_MODULE_BASE_
+#pass
diff --git a/ld/testsuite/ld-x86-64/pr29820.s b/ld/testsuite/ld-x86-64/pr29820.s
new file mode 100644
index 00000000000..7a4815ff7c5
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr29820.s
@@ -0,0 +1,12 @@
+	.text
+	leaq _TLS_MODULE_BASE_@tlsdesc(%rip), %rax
+	call *_TLS_MODULE_BASE_@tlscall(%rax)
+	movl %fs:a@dtpoff(%rax), %edx
+	addl %fs:b@dtpoff(%rax), %edx
+
+	.section .tbss
+	.zero 8
+a:
+	.zero 4
+b:
+	.zero 4
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index 1782e8e5def..136371bd5a2 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -728,6 +728,7 @@ run_dump_test "pr27016a"
 run_dump_test "pr27016b"
 run_dump_test "report-reloc-1"
 run_dump_test "report-reloc-1-x32"
+run_dump_test "pr29820"
 
 proc undefined_weak {cflags ldflags} {
     set testname "Undefined weak symbol"