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authorClaudiu Zissulescu <claziss@synopsys.com>2016-02-01 17:03:56 +0000
committerNick Clifton <nickc@redhat.com>2016-02-01 17:03:56 +0000
commitb125bd17270aca2af4d945ce8477f981dbc27e7e (patch)
treedee7846f57862af549329d08bb93a4000807c626
parent4f1d62057fa4894e504458027ac3228404144f7d (diff)
downloadbinutils-gdb-b125bd17270aca2af4d945ce8477f981dbc27e7e.tar.gz
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.
-rw-r--r--gas/ChangeLog9
-rw-r--r--gas/config/tc-arc.c11
-rw-r--r--gas/testsuite/gas/arc/tls-relocs1.d12
-rw-r--r--gas/testsuite/gas/arc/tls-relocs1.s24
4 files changed, 54 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 6e7319d96c2..d219d427406 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 40ba0ad18fa..20a48f7a751 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 00000000000..394487471ed
--- /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 00000000000..fc71e660e59
--- /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