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2016-09-26 Andre Vieira <andre.simoesdiasvieira@arm.com>
Backport from mainline
2016-02-16 Nick Clifton <nickc@redhat.com>
* doc/as.texinfo (Section): Fix up texinfo snafus in previous
update.
2016-09-25 Andre Vieira <andre.simoesdiasvieira@arm.com>
Backport from mainline
2016-02-15 Nick Clifton <nickc@redhat.com>
* doc/as.texinfo (.section): Document that numeric values can now
be used for the flags and type fields of the ELF target's .section
directive. Add notes about the restrictions on setting flags and
types.
* config/obj-elf.c (obj_elf_change_section): Allow known sections
to be given processor specific section types. Allow processor and
application specific flags of a section to be set after
definition.
(obj_elf_parse_section_letters): Handle parsing numeric values.
(obj_elf_section_type): Handle parsing numeric values.
(obj_elf_section): Allow numeric type values.
* config/obj-elf.h (obj_elf_change_section): Update prototype.
* NEWS: Mention the new feature.
2016-08-26 Thomas Preud'homme <thomas.preudhomme@arm.com>
Backport from mainline
2016-08-26 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (v7m_psrs): Add MSPLIM, PSPLIM, MSPLIM_NS,
PSPLIM_NS, PRIMASK_NS, BASEPRI_NS, FAULTMASK_NS, CONTROL_NS, SP_NS and
their lowecase counterpart special registers. Write register
identifier in hex.
* testsuite/gas/arm/archv8m-cmse-msr.s: Reorganize tests per
operation, special register and then case. Use different register for
each operation. Add tests for new special registers.
* testsuite/gas/arm/archv8m-cmse-msr-base.d: Adapt expected result
accordingly.
* testsuite/gas/arm/archv8m-cmse-msr-main.d: Likewise.
* testsuite/gas/arm/archv8m-main-dsp-4.d: Likewise.
2016-08-25 Thomas Preud'homme <thomas.preudhomme@arm.com>
Backport from mainline
2016-08-25 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (v7m_psrs): Remove msp_s, MSP_S, psp_s and PSP_S
special registers.
* testsuite/gas/arm/archv8m-cmse-msr.s: Remove test for above special
registers.
* testsuite/gas/arm/archv8m-cmse-msr-base.d: Likewise.
* testsuite/gas/arm/archv8m-cmse-msr-main.d: Likewise.
* testsuite/gas/arm/archv8m-main-dsp-4.d: Likewise.
2016-05-20 Thomas Preud'homme <thomas.preudhomme@arm.com>
* NEWS: Document support for ARMv8-M and its DSP and Security
Extensions.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (arm_adjust_symtab): Use ARM_SET_SYM_BRANCH_TYPE to
set branch type of a symbol.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
* 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.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c
(struct arm_option_extension_value_table): Make allowed_archs an array
with 2 entries.
(ARM_EXT_OPT): Adapt to only fill the first entry of allowed_archs.
(ARM_EXT_OPT2): New macro filling the two entries of allowed_archs.
(arm_extensions): Use separate entries in allowed_archs when several
archs are allowed to use an extension and change ARCH_ANY in
ARM_ARCH_NONE in allowed_archs.
(arm_parse_extension): Check that, for each allowed_archs entry, all
bits are set in the current architecture, ignoring ARM_ANY entries.
(s_arm_arch_extension): Likewise.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (arm_ext_m): Add feature bit ARM_EXT2_V8M_MAIN.
(arm_ext_v8m_main): New feature set for bit ARM_EXT2_V8M_MAIN.
(arm_ext_v8m_m_only): New feature set for instructions in ARMv8-M not
shared with a non M profile architecture.
(do_rn): New function.
(known_t32_only_insn): Check opcode against arm_ext_v8m_m_only rather
than arm_ext_v8m.
(v7m_psrs): Add ARMv8-M security extensions new special registers.
(insns): Add ARMv8-M Security Extensions instructions.
(aeabi_set_public_attributes): Use arm_ext_v8m_m_only instead of
arm_ext_v8m_m to decide the profile and the Thumb ISA.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
Revert
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (insns): Add ARMv8-M security extensions
instructions.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
Revert
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c
(struct arm_option_extension_value_table): Make allowed_archs an array
with 2 entries.
(ARM_EXT_OPT): Adapt to only fill the first entry of allowed_archs.
(ARM_EXT_OPT2): New macro filling the two entries of allowed_archs.
(arm_extensions): Use separate entries in allowed_archs when several
archs are allowed to use an extension and change ARCH_ANY in
ARM_ARCH_NONE in allowed_archs.
(arm_parse_extension): Check that, for each allowed_archs entry, all
bits are set in the current architecture, ignoring ARM_ANY entries.
(s_arm_arch_extension): Likewise.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
Revert
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* 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): Set Tag_DSP_extension to 1 for ARMv8-M
Mainline with DSP extension.
(arm_convert_symbolic_attribute): Define Tag_DSP_extension.
2016-03-29 Andre Vieira <andre.simoesdiasvieira@arm.com>
* config/tc-arm.c (arm_cpus): Add cortex-r8.
* doc/c-arm.texi: Add cortex-r8.
2016-03-29 Thomas Preud'homme <thomas.preudhomme@arm.com>
Merge ARMv8-M support code from master as part of merge commit
2015-12-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (non_v6t2_wide_only_insn): Rename into ...
(t1_isa_t32_only_insn): This. Clarify what instructions are catched by
the first conditional block.
(wide_insn_ok): Rename into ...
(t32_insn_ok): This.
(aeabi_set_public_attributes): Use TAG_CPU_ARCH_V7 instead of 10,
TAG_CPU_ARCH_V7E_M instead of 13, TAG_CPU_ARCH_V8 instead of 14,
TAG_CPU_ARCH_V8M_BASE instead of 16 and TAG_CPU_ARCH_V8M_MAIN instead
of 17.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* 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): Set Tag_DSP_extension to 1 for ARMv8-M
Mainline with DSP extension.
(arm_convert_symbolic_attribute): Define Tag_DSP_extension.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c
(struct arm_option_extension_value_table): Make allowed_archs an array
with 2 entries.
(ARM_EXT_OPT): Adapt to only fill the first entry of allowed_archs.
(ARM_EXT_OPT2): New macro filling the two entries of allowed_archs.
(arm_extensions): Use separate entries in allowed_archs when several
archs are allowed to use an extension and change ARCH_ANY in
ARM_ARCH_NONE in allowed_archs.
(arm_parse_extension): Check that, for each allowed_archs entry, all
bits are set in the current architecture, ignoring ARM_ANY entries.
(s_arm_arch_extension): Likewise.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (insns): Add ARMv8-M security extensions
instructions.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (arm_ext_v6t2_v8m): New feature for instructions
shared between ARMv6T2 and ARMv8-M.
(move_or_literal_pool): Check mov.w/mvn and movw availability against
arm_ext_v6t2 and arm_ext_v6t2_v8m respectively instead of checking
arm_arch_t2.
(do_t_branch): Error out for wide conditional branch instructions if
targetting ARMv8-M Baseline.
(non_v6t2_wide_only_insn): Add the logic for new wide-only instructions
in ARMv8-M Baseline.
(wide_insn_ok): New function.
(md_assemble): Use wide_insn_ok instead of non_v6t2_wide_only_insn and
adapt error message for unsupported wide instruction to ARMv8-M
Baseline.
(insns): Reorganize instructions shared by ARMv8-M Baseline and
ARMv6t2 architecture.
(arm_cpus): Set feature bit ARM_EXT2_V6T2_V8M for marvell-pj4 and
marvell-whitney cores.
(arm_archs): Define armv8-m.base architecture.
(cpu_arch_ver): Define ARM_ARCH_V8M_BASE architecture version.
(aeabi_set_public_attributes): Add logic to set Tag_CPU_arch to 17 for
ARMv8-M Mainline. Set Tag_DIV_use for ARMv8-M Baseline as well.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (arm_ext_m): Include ARMv8-M.
(arm_ext_v8m): New feature for ARMv8-M.
(arm_ext_atomics): New feature for ARMv8 atomics.
(do_tt): New encoding function for TT* instructions.
(insns): Add new entries for ARMv8-M specific instructions and
reorganize the ones shared by ARMv8-M Mainline and ARMv8-A.
(arm_archs): Define armv8-m.main architecture.
(cpu_arch_ver): Define ARM_ARCH_V8M_MAIN architecture version and
clarify the ordering rule.
(aeabi_set_public_attributes): Add logic to keep setting Tag_CPU_arch
to ARMv8-A for -march=all. Also set Tag_CPU_arch_profile to 'A' if
extension bit for atomic instructions is set, unless it is ARMv8-M.
Set Tag_THUMB_ISA_use to 3 for ARMv8-M. Set Tag_DIV_use to 0 for
ARMv8-M Mainline.
2015-12-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (move_or_literal_pool): Check mov.w, mvm and movw
availability against arm_ext_v6t2 instead of checking arm_arch_t2,
fixing comments along the way.
(handle_it_state): Check arm_ext_v6t2 instead of arm_arch_t2 to
generate IT instruction.
(non_v6t2_wide_only_insn): New function.
(md_assemble): Use above new function to check for invalid wide
instruction for CPU Thumb ISA and to determine what Thumb extension
bit is necessary for that instruction.
(md_apply_fix): Use arm_ext_v6t2 instead of arm_arch_t2 to decide if
branch is out of range.
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