Initial commit
Some checks failed
Build Kernel / Build all affected Kernels (push) Has been cancelled
Build all core packages / Build all core packages for selected target (push) Has been cancelled
Build and Push prebuilt tools container / Build and Push all prebuilt containers (push) Has been cancelled
Build Toolchains / Build Toolchains for each target (push) Has been cancelled
Build host tools / Build host tools for linux and macos based systems (push) Has been cancelled
Coverity scan build / Coverity x86/64 build (push) Has been cancelled
Some checks failed
Build Kernel / Build all affected Kernels (push) Has been cancelled
Build all core packages / Build all core packages for selected target (push) Has been cancelled
Build and Push prebuilt tools container / Build and Push all prebuilt containers (push) Has been cancelled
Build Toolchains / Build Toolchains for each target (push) Has been cancelled
Build host tools / Build host tools for linux and macos based systems (push) Has been cancelled
Coverity scan build / Coverity x86/64 build (push) Has been cancelled
This commit is contained in:
@@ -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
|
||||
@@ -2342,9 +2342,10 @@ 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
|
||||
Reference in New Issue
Block a user