| Issue |
179856
|
| Summary |
Incorrect R_HEX_TPREL_32_6_X application causes invalid duplex extender
|
| Labels |
bug,
lld:ELF
|
| Assignees |
androm3da
|
| Reporter |
androm3da
|
The test case below has been reduced from the original zig test case courtesy of @alexrp:
* [crash.bc.txt](https://github.com/user-attachments/files/25086209/crash.bc.txt)
* [crash.s.txt](https://github.com/user-attachments/files/25086210/crash.s.txt)
```
$ cat lld_hexagon_tprel_bug.s
.text
.globl _start
_start:
{
r2 = add(r2,##foo@TPREL)
memw(r3+#0) = #0
}
jumpr r31
.section .tbss,"awT",@nobits
.p2align 2
.space 0xd // Position foo at TLS offset 0xd
.globl foo
foo:
.space 0x40000 // Make TLS block size 0x4000d
```
Link the program:
```
llvm-mc -triple=hexagon -filetype=obj lld_hexagon_tprel_bug.s -o lld_hexagon_tprel_bug.o
ld.lld lld_hexagon_tprel_bug.o -o lld_hexagon_tprel_bug
```
Disassembly results:
```
llvm-objdump -d lld_hexagon_tprel_bug
...
000200d4 <_start>:
200d4: ff 6f ff 0f 0fff6fff <unknown>
200dc: 00 c0 9f 52 529fc000 { jumpr r31 }
```
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