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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2016-02-01 17:03:56 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2016-02-01 17:03:56 +0000 |
| commit | b125bd17270aca2af4d945ce8477f981dbc27e7e (patch) | |
| tree | dee7846f57862af549329d08bb93a4000807c626 /gas | |
| parent | 4f1d62057fa4894e504458027ac3228404144f7d (diff) | |
| download | gdb-b125bd17270aca2af4d945ce8477f981dbc27e7e.zip gdb-b125bd17270aca2af4d945ce8477f981dbc27e7e.tar.gz gdb-b125bd17270aca2af4d945ce8477f981dbc27e7e.tar.bz2 | |
Fix ARC TLS support.
* config/tc-arc.c (md_apply_fix): Allow addendum.
(arc_reloc_op): Allow complex expressions for tpoff.
(md_apply_fix): Handle resolved TLS local symbol.
* gas/arc/tls-relocs1.d: New file.
* gas/arc/tls-relocs1.s: Likewise.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 9 | ||||
| -rw-r--r-- | gas/config/tc-arc.c | 11 | ||||
| -rw-r--r-- | gas/testsuite/gas/arc/tls-relocs1.d | 12 | ||||
| -rw-r--r-- | gas/testsuite/gas/arc/tls-relocs1.s | 24 |
4 files changed, 54 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 6e7319d..d219d42 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,12 @@ +2016-01-26 Claudiu Zissulescu <claziss@synopsys.com> + + * config/tc-arc.c (md_apply_fix): Allow addendum. + (arc_reloc_op): Allow complex expressions for tpoff. + (md_apply_fix): Handle resolved TLS local symbol. + + * testsuite/gas/arc/tls-relocs1.d: New file. + * testsuite/gas/arc/tls-relocs1.s: Likewise. + 2016-02-01 Loria <Loria@phantasia.org> PR target/19311 diff --git a/gas/config/tc-arc.c b/gas/config/tc-arc.c index 40ba0ad..20a48f7 100644 --- a/gas/config/tc-arc.c +++ b/gas/config/tc-arc.c @@ -363,7 +363,7 @@ static const struct arc_reloc_op_tag DEF (tlsgd, BFD_RELOC_ARC_TLS_GD_GOT, 0), DEF (tlsie, BFD_RELOC_ARC_TLS_IE_GOT, 0), DEF (tpoff9, BFD_RELOC_ARC_TLS_LE_S9, 0), - DEF (tpoff, BFD_RELOC_ARC_TLS_LE_32, 0), + DEF (tpoff, BFD_RELOC_ARC_TLS_LE_32, 1), DEF (dtpoff9, BFD_RELOC_ARC_TLS_DTPOFF_S9, 0), DEF (dtpoff, BFD_RELOC_ARC_TLS_DTPOFF, 0), }; @@ -1301,7 +1301,8 @@ md_apply_fix (fixS *fixP, { case BFD_RELOC_ARC_TLS_DTPOFF: case BFD_RELOC_ARC_TLS_LE_32: - fixP->fx_offset = 0; + if (fixP->fx_done) + break; /* Fall through. */ case BFD_RELOC_ARC_TLS_GD_GOT: case BFD_RELOC_ARC_TLS_IE_GOT: @@ -1363,6 +1364,12 @@ md_apply_fix (fixS *fixP, from ld rx,[pcl,@sym@gotpc] to add rx,pcl,@sym@gotpc. */ as_bad (_("Unsupported operation on reloc")); return; + + case BFD_RELOC_ARC_TLS_DTPOFF: + case BFD_RELOC_ARC_TLS_LE_32: + gas_assert (!fixP->fx_addsy); + gas_assert (!fixP->fx_subsy); + case BFD_RELOC_ARC_GOTOFF: case BFD_RELOC_ARC_32_ME: case BFD_RELOC_ARC_PC32: diff --git a/gas/testsuite/gas/arc/tls-relocs1.d b/gas/testsuite/gas/arc/tls-relocs1.d new file mode 100644 index 0000000..3944874 --- /dev/null +++ b/gas/testsuite/gas/arc/tls-relocs1.d @@ -0,0 +1,12 @@ +#as: -mcpu=archs +#objdump: -dr + +.*: +file format .*arc.* + + +Disassembly of section .text: + +00000000 <foo>: + 0: 2100 3f82 0000 0000 add r2,r25,0 + 4: R_ARC_TLS_LE_32 a\+0x30 + 8: 2000 0f80 0000 003c add r0,r0,0x3c diff --git a/gas/testsuite/gas/arc/tls-relocs1.s b/gas/testsuite/gas/arc/tls-relocs1.s new file mode 100644 index 0000000..fc71e66 --- /dev/null +++ b/gas/testsuite/gas/arc/tls-relocs1.s @@ -0,0 +1,24 @@ +;;; TLS tests: check tpoff addendum and resolving local TLS symbols. + + .cpu HS + .global a + .section .tbss,"awT",@nobits + .align 4 + .type a, @object + .size a, 60 +a: + .zero 60 + + .type local_tls_var, @object + .size local_tls_var, 4 +local_tls_var: + .zero 4 + + + .section .text + .align 4 +foo: +;;; Test if the tpoff addendum is correctly generated. + add r2,r25,@a@tpoff+48 +;;; Test if local TLS symbol is correctly resolved. + add r0,r0,@local_tls_var@dtpoff@.tbss |