diff options
Diffstat (limited to 'LoongArch-Remove-support-code-for-old-linker-in-star.patch')
| -rw-r--r-- | LoongArch-Remove-support-code-for-old-linker-in-star.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/LoongArch-Remove-support-code-for-old-linker-in-star.patch b/LoongArch-Remove-support-code-for-old-linker-in-star.patch new file mode 100644 index 0000000..3d688da --- /dev/null +++ b/LoongArch-Remove-support-code-for-old-linker-in-star.patch @@ -0,0 +1,56 @@ +From f8d66a269cb6f1a7087afadf3375bdf0553abf53 Mon Sep 17 00:00:00 2001 +From: Xi Ruoyao <xry111@xry111.site> +Date: Sun, 27 Aug 2023 00:36:50 +0800 +Subject: [PATCH 12/29] 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> +Signed-off-by: Peng Fan <fanpeng@loongson.cn> +Signed-off-by: ticat_fp <fanpeng@loongson.cn> +--- + sysdeps/loongarch/start.S | 19 +++---------------- + 1 file changed, 3 insertions(+), 16 deletions(-) + +diff --git a/sysdeps/loongarch/start.S b/sysdeps/loongarch/start.S +index e9d82033..bf6bfc9e 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) +-- +2.33.0 + |