http://sourceware.org/bugzilla/show_bug.cgi?id=15428
Bug #: 15428
Summary: Linker crash on R_MIPS_GOT_PAGE relocations referring
to absolute symbols
Product: binutils
Version: 2.24 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Target: mips-linux-gnu
Given this program:
$ cat assign.s
.abicalls
.text
.weak assign
.globl __start
.ent __start
.frame $29, 0, $31
.mask 0x00000000, 0
__start:
.cplocal $2
.cpsetup $t9, $zero, __start
lw $2, assign
jr $31
.end __start
$
and this linker script:
$ cat assign.ld
ENTRY (__start)
SECTIONS
{
. = 0x12300000 + SIZEOF_HEADERS;
.text : { *(.text) }
. = 0x23400000;
assign = .;
HIDDEN (_gp = ALIGN (16) + 0x7ff0);
.got : { *(.got) }
}
$
I get a segmentation fault in LD:
$ mips-linux-gnu-as -64 -o assign.o assign.s
$ mips-linux-gnu-ld -melf64btsmip -T assign.ld -o assign assign.o
Segmentation fault
$
This happens to be in bfd_zalloc called from mips_elf_record_got_page_entry
because "assign" is an absolute symbol and therefore it's section's owner
member is set to NULL.
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