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authorXi Ruoyao <xry111@xry111.site>2023-08-27 00:36:50 +0800
committercaiyinyu <caiyinyu@loongson.cn>2023-08-29 10:35:38 +0800
commitaac842d0edbe53a150ab57a4f776cb50294b6388 (patch)
tree13120723b85b343d29090a145cb8f0f2c76e8d4c
parente757412c3e8a59cd93230414800250b38aeddf6c (diff)
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LoongArch: Remove support code for old linker in start.S
We are requiring Binutils >= 2.41, so la.pcrel always works here. Signed-off-by: Xi Ruoyao <xry111@xry111.site>
-rw-r--r--sysdeps/loongarch/start.S19
1 files changed, 3 insertions, 16 deletions
diff --git a/sysdeps/loongarch/start.S b/sysdeps/loongarch/start.S
index e9d8203..bf6bfc9 100644
--- a/sysdeps/loongarch/start.S
+++ b/sysdeps/loongarch/start.S
@@ -60,20 +60,7 @@ ENTRY (ENTRY_POINT)
cfi_undefined (1)
or a5, a0, zero /* rtld_fini */
-#if ENABLE_STATIC_PIE
-/* For static PIE, the GOT cannot be used in _start because the GOT entries are
- offsets instead of real addresses before __libc_start_main.
- __libc_start_main and/or main may be not local, so we rely on the linker to
- produce PLT entries for them. GNU ld >= 2.40 supports this. */
-# define LA la.pcrel
-#else
-/* Old GNU ld (< 2.40) cannot handle PC relative address against a non-local
- function correctly. We deem these old linkers failing to support static PIE
- and load the addresses from GOT. */
-# define LA la.got
-#endif
-
- LA a0, t0, main
+ la.pcrel a0, t0, main
REG_L a1, sp, 0
ADDI a2, sp, SZREG
@@ -84,9 +71,9 @@ ENTRY (ENTRY_POINT)
move a4, zero /* used to be fini */
or a6, sp, zero /* stack_end */
- LA ra, t0, __libc_start_main
+ la.pcrel ra, t0, __libc_start_main
jirl ra, ra, 0
- LA ra, t0, abort
+ la.pcrel ra, t0, abort
jirl ra, ra, 0
END (ENTRY_POINT)