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authorThomas Preud'homme <thomas.preudhomme@arm.com>2016-05-10 15:15:15 +0100
committerThomas Preud'homme <thomas.preudhomme@arm.com>2016-05-10 15:24:10 +0100
commit15afaa63f39a44563e49bb3b9fb38ed43e8b48ed (patch)
treedde74b084be0c1722355cb7e4d5e1407b5fc6e5b /include/elf
parentd942732e829030b8eab483dd48b979f8eed7c9e2 (diff)
Add support for ARMv8-M Mainline with DSP extension
2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com> bfd/ (elf32_arm_merge_eabi_attributes): Add merging logic for Tag_DSP_extension. binutils/ * readelf.c (display_arm_attribute): Add output for Tag_DSP_extension. (arm_attr_public_tags): Define DSP_extension attribute. gas/ * NEWS: Document ARMv8-M and ARMv8-M Security and DSP Extensions. * config/tc-arm.c (arm_ext_dsp): New feature for Thumb DSP instructions. (arm_extensions): Add dsp extension for ARMv8-M Mainline. (aeabi_set_public_attributes): Memorize the feature bits of the architecture selected for Tag_CPU_arch. Use it to set Tag_DSP_extension to 1 for ARMv8-M Mainline with DSP extension. (arm_convert_symbolic_attribute): Define Tag_DSP_extension. * testsuite/gas/arm/arch7em-bad.d: Rename to ... * testsuite/gas/arm/arch7em-bad-1.d: This. * testsuite/gas/arm/arch7em-bad-2.d: New file. * testsuite/gas/arm/arch7em-bad-3.d: Likewise. * testsuite/gas/arm/archv8m-main-dsp-1.d: Likewise. * testsuite/gas/arm/archv8m-main-dsp-2.d: Likewise. * testsuite/gas/arm/archv8m-main-dsp-3.d: Likewise. * testsuite/gas/arm/archv8m-main-dsp-4.d: Likewise. * testsuite/gas/arm/archv8m-main-dsp-5.d: Likewise. * testsuite/gas/arm/attr-march-armv8m.main.dsp.d: Likewise. include/ * elf/arm.h (Tag_DSP_extension): Define. ld/ * testsuite/ld-arm/arm-elf.exp (EABI attribute merging 10 (DSP)): New test. * testsuite/ld-arm/attr-merge-10b-dsp.s: New file. * testsuite/ld-arm/attr-merge-10-dsp.attr: Likewise.
Diffstat (limited to 'include/elf')
-rw-r--r--include/elf/arm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/elf/arm.h b/include/elf/arm.h
index fa14bb8a9c..bd9fd8bcf5 100644
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -311,6 +311,7 @@ enum
Tag_MPextension_use,
Tag_undefined_43,
Tag_DIV_use,
+ Tag_DSP_extension = 46,
Tag_nodefaults = 64,
Tag_also_compatible_with,
Tag_T2EE_use,