http://sourceware.org/bugzilla/show_bug.cgi?id=12882
Summary: Wrong @dtpoff relocation with -pie
Product: binutils
Version: 2.21
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sources.redhat.com
ReportedBy: ubiz...@gmail.com
Created attachment 5791
--> http://sourceware.org/bugzilla/attachment.cgi?id=5791
asm code that triggers -pie relocation error
Attached testcase from gcc testsuite triggers a ld bug with @dtpoff relocation
and -pie on 32bit i686-pc-linux target.
[uros@localhost test]$ gcc -m32 run-ld.s
[uros@localhost test]$ ./a.out
[uros@localhost test]$ gcc -m32 -pie run-ld.s
[uros@localhost test]$ ./a.out
Aborted (core dumped)
ld --version
GNU ld version 2.21.51.0.6-2.fc15 20110118
Running through the debugger, wrong values are loaded at "<<" lines.
000005d0 <get_ld>:
5d0: 53 push %ebx
5d1: bb d6 05 00 00 mov $0x5d6,%ebx
5d6: 81 c3 e6 12 00 00 add $0x12e6,%ebx
5dc: 65 a1 00 00 00 00 mov %gs:0x0,%eax
5e2: 90 nop
5e3: 8d 74 26 00 lea 0x0(%esi,%eiz,1),%esi
5e7: 5b pop %ebx
5e8: 8b 90 04 00 00 00 mov 0x4(%eax),%edx << here
5ee: 03 90 00 00 00 00 add 0x0(%eax),%edx << here
5f4: 89 d0 mov %edx,%eax
5f6: c3 ret
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