[glibc] elf: Always provide _dl_get_dl_main_map in libc.a

[glibc] elf: Always provide _dl_get_dl_main_map in libc.a

[H.J. Lu]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d9f9c44605d1b4e3152bdd3f8f0daebd790380f

commit 8d9f9c44605d1b4e3152bdd3f8f0daebd790380f
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Dec 29 08:43:50 2023 -0800

    elf: Always provide _dl_get_dl_main_map in libc.a
    
    Always provide _dl_get_dl_main_map in libc.a.  It will be used by x86
    to process PT_GNU_PROPERTY segment.

Diff:
---
 elf/dl-support.c           | 2 --
 sysdeps/generic/ldsodefs.h | 7 +++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/elf/dl-support.c b/elf/dl-support.c
index 837fa1c836..70c5b3599a 100644
--- a/elf/dl-support.c
+++ b/elf/dl-support.c
@@ -344,7 +344,6 @@ _dl_non_dynamic_init (void)
 DL_SYSINFO_IMPLEMENTATION
 #endif
 
-#if ENABLE_STATIC_PIE
 /* Since relocation to hidden _dl_main_map causes relocation overflow on
    aarch64, a function is used to get the address of _dl_main_map.  */
 
@@ -353,7 +352,6 @@ _dl_get_dl_main_map (void)
 {
   return &_dl_main_map;
 }
-#endif
 
 /* This is used by _dl_runtime_profile, not used on static code.  */
 void
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 9b50ddd09f..bbf51bc1f5 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -1172,10 +1172,6 @@ void __libc_setup_tls (void);
 # if ENABLE_STATIC_PIE
 /* Relocate static executable with PIE.  */
 extern void _dl_relocate_static_pie (void) attribute_hidden;
-
-/* Get a pointer to _dl_main_map.  */
-extern struct link_map * _dl_get_dl_main_map (void)
-  __attribute__ ((visibility ("hidden")));
 # else
 #  define _dl_relocate_static_pie()
 # endif
@@ -1217,6 +1213,9 @@ rtld_hidden_proto (_dl_deallocate_tls)
 
 extern void _dl_nothread_init_static_tls (struct link_map *) attribute_hidden;
 
+/* Get a pointer to _dl_main_map.  */
+extern struct link_map * _dl_get_dl_main_map (void) attribute_hidden;
+
 /* Find origin of the executable.  */
 extern const char *_dl_get_origin (void) attribute_hidden;