https://sourceware.org/bugzilla/show_bug.cgi?id=20807
Bug ID: 20807
Summary: gold assertion failure on aarch64 branch target in
SHF_MERGE rodata section: internal error in
set_merged_symbol_value, at
../../binutils-2.27/gold/object.h:1718
Product: binutils
Version: 2.27
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ccoutant at gmail dot com
Reporter: roland at gnu dot org
CC: ian at airs dot com
Target Milestone: ---
Simple test case below.
$ head goldbug.s
.text
.globl _start
_start:
bl cst16_sym
.type cst16_sym,@object
.section .rodata.cst16,"aM",@progbits,16
cst16_sym: .zero 16
.size cst16_sym,16
$ aarch64-elf-as -o goldbug.o goldbug.s
$ readelf -WSs goldbug.o
There are 9 section headers, starting at offset 0x1a0:
Section Headers:
[Nr] Name Type Address Off Size
ES Flg Lk Inf Al
[ 0] NULL 0000000000000000 000000 000000
00 0 0 0
[ 1] .text PROGBITS 0000000000000000 000040 000004
00 AX 0 0 4
[ 2] .rela.text RELA 0000000000000000 000148 000018
18 I 7 1 8
[ 3] .data PROGBITS 0000000000000000 000044 000000
00 WA 0 0 1
[ 4] .bss NOBITS 0000000000000000 000044 000000
00 WA 0 0 1
[ 5] .rodata.cst16 PROGBITS 0000000000000000 000044 000010
10 AM 0 0 1
[ 6] .shstrtab STRTAB 0000000000000000 000160 00003f
00 0 0 1
[ 7] .symtab SYMTAB 0000000000000000 000058 0000d8
18 8 8 8
[ 8] .strtab STRTAB 0000000000000000 000130 000018
00 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings)
I (info), L (link order), G (group), T (TLS), E (exclude), x
(unknown)
O (extra OS processing required) o (OS specific), p (processor
specific)
Symbol table '.symtab' contains 9 entries:
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
1: 0000000000000000 0 SECTION LOCAL DEFAULT 1
2: 0000000000000000 0 SECTION LOCAL DEFAULT 3
3: 0000000000000000 0 SECTION LOCAL DEFAULT 4
4: 0000000000000000 0 NOTYPE LOCAL DEFAULT 1 $x
5: 0000000000000000 16 OBJECT LOCAL DEFAULT 5 cst16_sym
6: 0000000000000000 0 SECTION LOCAL DEFAULT 5
7: 0000000000000000 0 NOTYPE LOCAL DEFAULT 5 $d
8: 0000000000000000 0 NOTYPE GLOBAL DEFAULT 1 _start
$ aarch64-elf-ld.gold -o goldbug goldbug.o
aarch64-elf-ld.gold: internal error in set_merged_symbol_value, at
../../binutils-2.27/gold/object.h:1718
[Exit 1]
$
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