http://sourceware.org/bugzilla/show_bug.cgi?id=13600
Bug #: 13600
Summary: protected visibility creates bogus relocation
Product: binutils
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sourceware.org
ReportedBy: rgue...@gcc.gnu.org
Classification: Unclassified
.file "t1.c"
.text
.globl foo
.protected foo
.type foo, @function
foo:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
leaq foo(%rip), %rax
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE0:
.size foo, .-foo
.ident "GCC: (GNU) 4.7.0 20120116 (experimental)"
.section .note.GNU-stack,"",@progbits
does not link:
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/bin/ld:
/tmp/cc43SbHJ.o: relocation R_X86_64_PC32 against protected symbol `foo' can
not be used when making a shared object
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/bin/ld:
final link failed: Bad value
collect2: error: ld returned 1 exit status
C testcase:
__attribute__((visibility("protected"))) void * foo (void) { return (void
*)foo; }
gcc t1.c -o libt1.so -shared -fPIC.
Sounds similar to PR584, but this time with a self-reference.
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