diff options
Diffstat (limited to 'toolchain/binutils/patches/2.39/039-LoongArch-ld-Fix-relocation-error-of-pcrel.patch')
-rw-r--r-- | toolchain/binutils/patches/2.39/039-LoongArch-ld-Fix-relocation-error-of-pcrel.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/toolchain/binutils/patches/2.39/039-LoongArch-ld-Fix-relocation-error-of-pcrel.patch b/toolchain/binutils/patches/2.39/039-LoongArch-ld-Fix-relocation-error-of-pcrel.patch new file mode 100644 index 0000000000..67e499de67 --- /dev/null +++ b/toolchain/binutils/patches/2.39/039-LoongArch-ld-Fix-relocation-error-of-pcrel.patch @@ -0,0 +1,128 @@ +From 509a2ec6ad3ea7eb3f4cf59538cf636a2126e4c3 Mon Sep 17 00:00:00 2001 +From: liuzhensong <liuzhensong@loongson.cn> +Date: Fri, 2 Sep 2022 16:29:14 +0800 +Subject: [PATCH 039/160] LoongArch:ld: Fix relocation error of pcrel. + + Patch for branch 2.39. + Need to reduce the address of pc when using + reloction R_LARCH_SOP_PUSH_PCREL. + + bfd/ + * elfnn-loongarch.c +--- + bfd/elfnn-loongarch.c | 3 +- + ld/testsuite/ld-loongarch-elf/pcrel-const.d | 14 +++++++ + ld/testsuite/ld-loongarch-elf/pcrel-const.lds | 14 +++++++ + ld/testsuite/ld-loongarch-elf/pcrel-const.s | 12 ++++++ + ld/testsuite/ld-loongarch-elf/pr.exp | 39 +++++++++++++++++++ + 5 files changed, 81 insertions(+), 1 deletion(-) + create mode 100644 ld/testsuite/ld-loongarch-elf/pcrel-const.d + create mode 100644 ld/testsuite/ld-loongarch-elf/pcrel-const.lds + create mode 100644 ld/testsuite/ld-loongarch-elf/pcrel-const.s + create mode 100644 ld/testsuite/ld-loongarch-elf/pr.exp + +--- a/bfd/elfnn-loongarch.c ++++ b/bfd/elfnn-loongarch.c +@@ -2341,9 +2341,10 @@ loongarch_elf_relocate_section (bfd *out + case R_LARCH_SOP_PUSH_PLT_PCREL: + unresolved_reloc = false; + +- if (resolved_to_const) ++ if (!is_undefweak && resolved_to_const) + { + relocation += rel->r_addend; ++ relocation -= pc; + break; + } + else if (is_undefweak) +--- /dev/null ++++ b/ld/testsuite/ld-loongarch-elf/pcrel-const.d +@@ -0,0 +1,14 @@ ++#as: -mla-global-with-pcrel ++#objdump: -Drsz ++ ++.*:[ ]+file format .* ++ ++ ++Disassembly of section .text: ++ ++.* <foo>: ++#... ++[ ]+8:[ ]+02c04084[ ]+addi.d[ ]+\$a0,[ ]+\$a0,[ ]+16\(0x10\) ++#... ++0+14 <__sec_end>: ++#pass +--- /dev/null ++++ b/ld/testsuite/ld-loongarch-elf/pcrel-const.lds +@@ -0,0 +1,14 @@ ++ENTRY(foo); ++SECTIONS ++{ ++ .text : { ++ *(.text*) ++ } ++ ++ .data : { ++ __sec_start = .; ++ *(.gzdata) ++ __sec_end = .; ++ } ++} ++PROVIDE(__sec_size = __sec_end); +--- /dev/null ++++ b/ld/testsuite/ld-loongarch-elf/pcrel-const.s +@@ -0,0 +1,12 @@ ++ .text ++ .align 2 ++ .globl foo ++ .type foo, @function ++foo: ++ nop ++ la.global $r4,__sec_size ++ ldptr.w $r4,$r4,0 ++ jr $r1 ++ .size foo, .-foo ++ .data ++ .word 1 +--- /dev/null ++++ b/ld/testsuite/ld-loongarch-elf/pr.exp +@@ -0,0 +1,39 @@ ++# Expect script for LoongArch ELF linker tests ++# Copyright (C) 2022 Free Software Foundation, Inc. ++# ++# This file is part of the GNU Binutils. ++# ++# This program is free software; you can redistribute it and/or modify ++# it under the terms of the GNU General Public License as published by ++# the Free Software Foundation; either version 3 of the License, or ++# (at your option) any later version. ++# ++# This program is distributed in the hope that it will be useful, ++# but WITHOUT ANY WARRANTY; without even the implied warranty of ++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++# GNU General Public License for more details. ++# ++# You should have received a copy of the GNU General Public License ++# along with this program; if not, write to the Free Software ++# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, ++# MA 02110-1301, USA. ++# ++ ++if ![istarget loongarch64-*-*] { ++ return ++} ++ ++set link_tests [list \ ++ [list \ ++ "pcrel const" \ ++ "-T pcrel-const.lds" "" \ ++ "-mla-global-with-pcrel" \ ++ { pcrel-const.s } \ ++ [list \ ++ [list objdump -D pcrel-const.d] \ ++ ] \ ++ "pcrel-const" \ ++ ] \ ++] ++ ++run_ld_link_tests $link_tests |