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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2016-07-08 11:55:49 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2016-07-14 10:08:57 +0200 |
| commit | fa1c0170176a5e4820f43824cffe80ffc4e7a717 (patch) | |
| tree | 2e32657a3199223084212b5464a66b2b25d7a6c4 /include | |
| parent | efc67f64c94bddd81f1d9dc00390d3790bfd80bd (diff) | |
| download | gdb-fa1c0170176a5e4820f43824cffe80ffc4e7a717.zip gdb-fa1c0170176a5e4820f43824cffe80ffc4e7a717.tar.gz gdb-fa1c0170176a5e4820f43824cffe80ffc4e7a717.tar.bz2 | |
[ARC] Fix/improve small data support.
The R_ARC_SDA32 is wrongly described as a ME relocation, fix it. Offset the
__SDATA_BEGIN__ to take advantage of the signed 9-bit field of the
load/store instructions.
include/
2016-07-08 Claudiu Zissulescu <claziss@synopsys.com>
* elf/arc-reloc.def (ARC_SDA32): Don't use ME transformation.
ld/
2016-07-08 Claudiu Zissulescu <claziss@synopsys.com>
* emulparams/arcelf.sh (SDATA_START_SYMBOLS): Add offset.
* testsuite/ld-arc/sda-relocs.dd: New file.
* testsuite/ld-arc/sda-relocs.ld: Likewise.
* testsuite/ld-arc/sda-relocs.rd: Likewise.
* testsuite/ld-arc/sda-relocs.s: Likewise.
* testsuite/ld-arc/arc.exp: Add SDA tests.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 4 | ||||
| -rw-r--r-- | include/elf/arc-reloc.def | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 7e8cd9f..23b8a07 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,7 @@ +2016-07-14 Claudiu Zissulescu <claziss@synopsys.com> + + * elf/arc-reloc.def (ARC_SDA32): Don't use ME transformation. + 2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com> * include/elf/arm.h (SHF_ARM_NOREAD): Rename to ... diff --git a/include/elf/arc-reloc.def b/include/elf/arc-reloc.def index a995056..17c2429 100644 --- a/include/elf/arc-reloc.def +++ b/include/elf/arc-reloc.def @@ -139,7 +139,7 @@ ARC_RELOC_HOWTO(ARC_SDA32, 18, \ 32, \ replace_word32, \ signed, \ - ( ME ( ( ( S + A ) - _SDA_BASE_ ) ) )) + ( ( ( S + A ) - _SDA_BASE_ ) )) ARC_RELOC_HOWTO(ARC_SDA_LDST, 19, \ 2, \ |