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Modify inconsistent behavior of ld with --unresolved-symbols=ignore-all

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(cherry picked from commit 0c809caf6ff91567df909c3b6bbfbd6f3f418eb1)
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Wenlong Zhang 2024-03-06 08:54:51 +00:00 committed by openeuler-sync-bot
parent 77f5c9797c
commit 0048b6003f
2 changed files with 66 additions and 1 deletions
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60
LoongArch-Modify-inconsistent-behavior-of-ld-with-un.patch Normal file
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@ -0,0 +1,60 @@
From 268391acb9fa956bad24533e2cc0d1459dea1b3d Mon Sep 17 00:00:00 2001
From: ticat_fp <fanpeng@loongson.cn>
Date: Mon, 26 Feb 2024 11:11:35 +0800
Subject: [PATCH] LoongArch: Modify inconsistent behavior of ld with
--unresolved-symbols=ignore-all
Remove duplicated check when producing executable files that reference external symbols
defined in other files. RELOC_FOR_GLOBAL_SYMBOL will check it.
Testcase is:
resolv.c:
int main(int argc, char *argv[]) {
return argc;
}
t.c:
extern const struct my_struct ms1;
static const struct my_struct *ms = &ms1;
t.h:
typedef struct my_struct {
char *str;
int i;
} my_struct;
Compiling and linking command with:
gcc t.c -c ; gcc resolv.c -c
gcc resolv.o t.o -o resolv -Wl,--unresolved-symbols=ignore-all
Got error as:
~/install/usr/bin/ld: t.o:(.data.rel+0x0): undefined reference to `ms1'
collect2: error: ld returned 1 exit status
---
bfd/elfnn-loongarch.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/bfd/elfnn-loongarch.c b/bfd/elfnn-loongarch.c
index 1b5009e13b2..e96e0f53608 100644
--- a/bfd/elfnn-loongarch.c
+++ b/bfd/elfnn-loongarch.c
@@ -2868,14 +2868,7 @@ loongarch_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
else if (resolved_dynly)
{
if (h->dynindx == -1)
- {
- if (h->root.type == bfd_link_hash_undefined)
- (*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, true);
-
- outrel.r_info = ELFNN_R_INFO (0, r_type);
- }
+ outrel.r_info = ELFNN_R_INFO (0, r_type);
else
outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type);
--
2.27.0

7
binutils.spec
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@ -2,7 +2,7 @@
Summary: A GNU collection of binary utilities
Name: binutils%{?_with_debug:-debug}
Version: 2.41
Release: 2
Release: 3
License: GPL-3.0-or-later AND (GPL-3.0-or-later WITH Bison-exception-2.2) AND (LGPL-2.0-or-later WITH GCC-exception-2.0) AND BSD-3-Clause AND GFDL-1.3-or-later AND GPL-2.0-or-later AND LGPL-2.1-or-later AND LGPL-2.0-or-later
URL: https://sourceware.org/binutils
@ -174,6 +174,7 @@ Patch3006: LoongArch-Add-more-relaxation-testcases.patch
Patch3007: LoongArch-fix-internal-error-when-as-handling-unsupp.patch
Patch3008: as-Add-new-atomic-instructions-in-LoongArch-v1.1.patch
Patch3009: as-Add-new-estimated-reciprocal-instructions-in-Loon.patch
Patch3010: LoongArch-Modify-inconsistent-behavior-of-ld-with-un.patch
# Part 5000 -
@ -1265,6 +1266,10 @@ exit 0
#----------------------------------------------------------------------------
%changelog
* Wed Mar 6 2024 Wenlong Zhang <zhangwenlong@loongson.cn> - 2.41-3
- LoongArch: sync patch from binutils upstream
- LoongArch: Modify inconsistent behavior of ld with --unresolved-symbols=ignore-all
* Wed Feb 28 2024 Peng Fan <fanpeng@loongson.cn> - 2.41-2
- LoongArch: sync patch from binutils upstream