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authorcaiyinyu <caiyinyu@loongson.cn>2023-03-28 09:19:53 +0800
committercaiyinyu <caiyinyu@loongson.cn>2023-03-28 09:55:48 +0800
commit07dd75589ecbedec5162a5645d57f8bd093a45db (patch)
tree369fa0277e984e4a98c020c3ae09e63bd1608839
parentbb557fff2ec20e0926932684f69835f90626bb06 (diff)
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LoongArch: ldconfig: Add comments for using EF_LARCH_OBJABI_V1
We added Adhemerval Zanella's comment to explain the reason for
using EF_LARCH_OBJABI_V1.
-rw-r--r--sysdeps/unix/sysv/linux/loongarch/readelflib.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/loongarch/readelflib.c b/sysdeps/unix/sysv/linux/loongarch/readelflib.c
index ceba355959..e34612895d 100644
--- a/sysdeps/unix/sysv/linux/loongarch/readelflib.c
+++ b/sysdeps/unix/sysv/linux/loongarch/readelflib.c
@@ -40,6 +40,12 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
 
   ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
 				file_contents, file_length);
+
+  /* The EF_LARCH_OBJABI_V1 flag indicate which set of static relocations
+   the object might use and it only considered during static linking,
+   it does not reflect in runtime relocations.  However some binutils
+   version might set it on dynamic shared object, so clear it to avoid
+   see the SO as unsupported.  */
   flags = elf64_header->e_flags & ~EF_LARCH_OBJABI_V1;
 
   /* LoongArch linkers encode the floating point ABI as part of the ELF headers.  */