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[ARC] Fix parsing dtpoff relocation expression. 

The assembler accepts dtpoff complex relocation expression like
identifier@dtpoff + const. However, it doesn't accept an expression such
as identifier@dtpoff@base + const. This patch solves this issue, and adds
a number of tests.

ld/
2016-09-14  Claudiu Zissulescu  <claziss@synopsys.com>

	* testsuite/ld-arc/tls-dtpoff.dd: New file.
	* testsuite/ld-arc/tls-dtpoff.rd: Likewise.
	* testsuite/ld-arc/tls-dtpoff.s: Likewise.
	* testsuite/ld-arc/tls-relocs.ld: Likewise.
	* testsuite/ld-arc/arc.exp: Add new tdpoff test.

gas/
2016-09-14  Claudiu Zissulescu  <claziss@synopsys.com>

	* testsuite/gas/arc/tls-relocs2.d: New file.
	* testsuite/gas/arc/tls-relocs2.s: Likewise.
	* config/tc-arc.c (tokenize_arguments): Accept offsets when base
	is used.
This commit is contained in:
Claudiu Zissulescu 2016-09-07 09:47:34 +02:00
parent dce084426d
commit 32348c581b
10 changed files with 90 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gas/ChangeLog
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@ -1,3 +1,10 @@
2016-09-14 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/gas/arc/tls-relocs2.d: New file.
* testsuite/gas/arc/tls-relocs2.s: Likewise.
* config/tc-arc.c (tokenize_arguments): Accept offsets when base
is used.
2016-09-12 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/tc-s390.c (s390_parse_cpu): Support alternate arch

2
gas/config/tc-arc.c
View File

@ -1157,7 +1157,7 @@ tokenize_arguments (char *str,
restore_line_pointer (c);
tmpE.X_add_number = 0;
}
else if ((*input_line_pointer != '+')
if ((*input_line_pointer != '+')
&& (*input_line_pointer != '-'))
{
tmpE.X_add_number = 0;

10
gas/testsuite/gas/arc/tls-relocs2.d Normal file
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@ -0,0 +1,10 @@
#as: -mcpu=archs
#objdump: -dr
.*: +file format .*arc.*
Disassembly of section .text:
00000000 <.text>:
0: 70c3 0000 0804 add_s r0,r0,0x804

12
gas/testsuite/gas/arc/tls-relocs2.s Normal file
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@ -0,0 +1,12 @@
.cpu HS
;;; Test if palette is resolved by the assembler.
add_s r0,r0,@palette@dtpoff@.tbss+2048
.section .tbss,"awT",@nobits
.align 4
.zero 4
.align 4
.type palette, @object
.size palette, 6144
palette:
.zero 6144

8
ld/ChangeLog
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@ -1,3 +1,11 @@
2016-09-14 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/ld-arc/tls-dtpoff.dd: New file.
* testsuite/ld-arc/tls-dtpoff.rd: Likewise.
* testsuite/ld-arc/tls-dtpoff.s: Likewise.
* testsuite/ld-arc/tls-relocs.ld: Likewise.
* testsuite/ld-arc/arc.exp: Add new tdpoff test.
2016-09-14 Nick Clifton <nickc@redhat.com>
PR ld/20537

5
ld/testsuite/ld-arc/arc.exp
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@ -35,6 +35,11 @@ set arccommon_tests {
"-q -T sda-relocs.ld -A elf32-arclittle" "" "-mcpu=archs -EL" {sda-relocs.s}
{{objdump -fdw sda-relocs.dd} {readelf --relocs sda-relocs.rd}}
"sda-relocs.so" }
{ "TLS reloc dtpoff"
"-q -T tls-relocs.ld -A elf32-arclittle" "" "-mcpu=archs -EL"
{tls-dtpoff.s}
{{objdump -fdw tls-dtpoff.dd} {readelf --relocs tls-dtpoff.rd}}
"sda-relocs.so" }
}
run_ld_link_tests $arccommon_tests

11
ld/testsuite/ld-arc/tls-dtpoff.dd Normal file
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@ -0,0 +1,11 @@
.*: file format .*arc.*
architecture: ARCv2, flags 0x00000113:
HAS_RELOC, EXEC_P, HAS_SYMS, D_PAGED
start address 0x00010000
Disassembly of section .text:
[0-9a-f]+ <.text>:
[0-9a-f]+: 70c3 0000 0804 add_s r0,r0,0x804

4
ld/testsuite/ld-arc/tls-dtpoff.rd Normal file
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@ -0,0 +1,4 @@
Relocation section '\.rela\.text' .*:
Offset +Info +Type +Sym.Value +Sym. Name \+ Addend
[0-9a-f]+ [0-9a-f]+ R_ARC_TLS_DTPOFF [0-9a-f]+ palette \+ 800

12
ld/testsuite/ld-arc/tls-dtpoff.s Normal file
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@ -0,0 +1,12 @@
.cpu HS
;;; Test if palette is resolved by the linker.
add_s r0,r0,@palette@dtpoff+2048
.section .tbss,"awT",@nobits
.align 4
.zero 4
.align 4
.type palette, @object
.size palette, 6144
palette:
.zero 6144

20
ld/testsuite/ld-arc/tls-relocs.ld Normal file
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@ -0,0 +1,20 @@
/* Default linker script, for normal executables. */
OUTPUT_FORMAT("elf32-littlearc", "elf32-bigarc",
"elf32-littlearc")
OUTPUT_ARCH(arc)
ENTRY(__start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
PROVIDE (__start = 0x10000);
. = 0x10000 + SIZEOF_HEADERS;
.text : {*(.text .stub .text.*)} =0
.tdata : {.tdata = .; *(.tdata .tdata.* .gnu.linkonce.td.*) }
.tbss : {.tbss = .; *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
/DISCARD/ : { *(.__arc_profile_*) }
/DISCARD/ : { *(.note.GNU-stack) }
}