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LoongArch: Remove support code for old linker in start.S

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We are requiring Binutils >= 2.41, so la.pcrel always works here.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
This commit is contained in:
Xi Ruoyao 2023-08-27 00:36:50 +08:00 • committed by caiyinyu
parent e757412c3e
commit aac842d0ed
1 changed files with 3 additions and 16 deletions
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19
sysdeps/loongarch/start.S
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@ -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)