Commit Graph

7903 Commits

Author SHA1 Message Date
Nick Clifton 9d46ce346f Fix potential array overrun in x86 assembler.
* config/tc-i386.c (parse_operands): Check for operand overflow
	before setting the unspecified bit.
2017-01-20 10:32:25 +00:00
Maciej W. Rozycki 9e009953a5 PR gas/20649: MIPS: Fix GOT16/LO16 reloc pairing with comdat sections
Correct a regression from commit 8614eeee67 ("Traditional MIPS
patches"), <https://sourceware.org/ml/binutils/2000-07/msg00018.html>,
which caused symbols in linkonce or what is these days known as comdat
sections to be treated as external for the purpose of PIC relocation
generation even if their binding remains STB_LOCAL.  This in turn
disabled GOT16/LO16 relocation pairing with references to such symbols,
as no complementing LO16 relocation is expected for external GOT16
references in the o32 ABI, which ultimately leads to link errors, e.g.:

ld: comdat-reloc.o: Can't find matching LO16 reloc against `foo' for R_MIPS_GOT16 at 0x24 in section `.text.bar[bar]'

as with the LD test case included with this change.

Revert the special case for symbols in comdat sections then, making code
actually match `adjust_reloc_syms' as indicated in its explanatory
comment, and adjust calling code accordingly.  Also bring back the
corresponding description of what now is `s_is_linkonce', lost with
commit 5f0fe04bc5 ("Improved MIPS16/MIPS32 code intermixing for
gas."), <https://www.sourceware.org/ml/binutils/2006-07/msg00039.html>.

	gas/
	PR gas/20649
	* config/tc-mips.c (pic_need_relax): Don't check for linkonce
	symbols, remove the `segtype' parameter.
	(mips_frob_file, md_estimate_size_before_relax): Adjust
	accordingly.
	(s_is_linkonce): Add an explanatory comment.
	* testsuite/gas/mips/comdat-reloc.d: New test.
	* testsuite/gas/mips/comdat-reloc.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new test.

	ld/
	PR gas/20649
	* testsuite/ld-mips-elf/mips-elf.exp: Add PIC comdat GOT16/LO16
	relocation pairing link test.
2017-01-18 18:24:08 +00:00
Szabolcs Nagy c13a63b046 [ARM] Fix the decoding of indexed element VCMLA instruction
Bit 24 of the indexed element vcmla decode mask was incorrectly
left unset.  This could cause incorrect disassembly of some
currently undefined instructions as vcmla.

Rotatation immediates were not printed correctly in the disassembly
(could print 170 and 280 instead of 180 and 270).

opcodes/
	* arm-dis.c (coprocessor_opcodes): Fix vcmla mask and disassembly.

gas/
	* testsuite/gas/arm/armv8_3-a-simd.s: Add vcmla tests.
	* testsuite/gas/arm/armv8_3-a-simd.d: Update.
2017-01-18 17:08:34 +00:00
Bernhard Rosenkranzer 2cedb9ebf8 Add support for processing lex source files with flex v 2.6.3
PR 21059
binutils* arlex.l: Support processing with flex 2.6.3.
	* deflex.l: Likewise.

gas	* config/bfin-lex.l: Support processing with flex 2.6.3.
	* itbl-lex.l: Likewise.
2017-01-18 13:38:27 +00:00
Nathan Sidwell 1ec4b9f28b Catch gas exit-via-signal
gas/
	* as.h (gas_assert): Use abort.
	(as_assert): Remove.
	(signal_init): Declare.
	* as.c (main): Call signal_init.
	* messages.c: #include <signal.h>
	(as_assert): Delete.
	(as_abort): Allow NULL FILE.
	(signal_crash): New.
	(signal_init): Register fatal signal handlers.
	* configure.ac: Check for strsignal.
	* config.in: Rebuilt.
	* configure: Rebuilt.
2017-01-18 08:23:10 -05:00
Nick Clifton 01fabda4d4 Updated Swedish translation for GAS. 2017-01-18 11:35:29 +00:00
Nick Clifton 6aa1df2d44 Updated Swedish translations for GAS and LD subdirectories.
gas	* po/sv.po: Updated Swedish translation.
ld	* po/sv.po: Updated Swedish translation.
2017-01-16 10:59:23 +00:00
Igor Tsimbalist 620214f742 Enable Intel AVX512_VPOPCNTDQ instructions
gas/

2017-01-12  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>

	* config/tc-i386.c (cpu_arch): Add .avx512_vpopcntdq.
	(cpu_noarch): Add noavx512_vpopcntdq.
	* doc/c-i386.texi: Document avx512_vpopcntdq, noavx512_vpopcntdq.
	* testsuite/gas/i386/i386.exp: Run AVX512_VPOPCNTDQ tests.
	* testsuite/gas/i386/avx512_vpopcntdqd-intel.d: New file.
	* testsuite/gas/i386/avx512_vpopcntdqd.d: Ditto.
	* testsuite/gas/i386/avx512_vpopcntdqd.s: Ditto.
	* testsuite/gas/i386/x86-64-avx512_vpopcntdqd-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-avx512_vpopcntdqd.d: Ditto.
	* testsuite/gas/i386/x86-64-avx512_vpopcntdqd.s: Ditto.

opcodes/

2017-01-12  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>

	* i386-dis.c (enum): Add PREFIX_EVEX_0F3855, EVEX_W_0F3855_P_2.
	* i386-dis-evex.h (evex_table): Updated.
	* i386-gen.c (cpu_flag_init): Add CPU_AVX512_VPOPCNTDQ_FLAGS,
	CPU_ANY_AVX512_VPOPCNTDQ_FLAGS. Update CPU_ANY_AVX512F_FLAGS.
	(cpu_flags): Add CpuAVX512_VPOPCNTDQ.
	* i386-opc.h (enum): (AVX512_VPOPCNTDQ): New.
	(i386_cpu_flags): Add cpuavx512_vpopcntdq.
	* i386-opc.tbl: Add Intel AVX512_VPOPCNTDQ instructions.
	* i386-init.h: Regenerate.
	* i386-tbl.h: Ditto.
2017-01-12 08:44:24 -08:00
Nick Clifton 1181551ef0 Prevent internal assembler errors if a stabs creation function builds an badly formatted input string.
* read.c (temp_ilp): New function.  Installs a temporary input
	line pointer.
	(restore_ilp): New function.  Restores the original input line
	pointer.
	* read.h (temp_ilp): Prototype.
	(restore_ilp): Prototype.
	* stabs.c (dot_func_p): Use bfd_boolean type.
	(generate_asm_file): Use temp_ilp and restore_ilp.
	(stabs_generate_asm_lineno): Likewise.
	(stabs_generate_asm_endfunc): Likewise.
2017-01-12 14:56:13 +00:00
Jeremy Soller f2e2d2f54b Add support for x86/64 redox target.
bfd	* config.bfd: Add entries for i686-redox and x86_64-redox.

gas	* configure.tgt: Add entry for i386-redox.

ld	* configure.tgt: Add entries for x86-redox and x86_64-redox.
2017-01-11 15:05:53 +00:00
Tristan Gingold 1a94eb29d0 Fix sleb128-8 regressions.
gas/
	* testsuite/gas/all/sleb128-8.d: Adjust test.
	* testsuite/gas/all/gas.exp (test_cond): Likewise.
2017-01-10 14:43:28 +01:00
Nick Clifton 07e8e62387 Updated Swedish translations for GAS and LD 2017-01-10 11:28:36 +00:00
Tristan Gingold 74def31dcd This patch ensure same output for sleb128 with large number.
gas/
	* read.c (emit_leb128_expr): Extended unsigned big number for
	sleb128.
	* testsuite/gas/all/gas.exp (test_cond): Add sleb128-8 test.
	* testsuite/gas/all/sleb128.d: New test.
	* testsuite/gas/all/sleb128.s: New test source.
2017-01-10 10:23:23 +01:00
Andrew Waterman a5ec5e3fe1 RISC-V/GAS: Support more relocs against constant addresses
Previously, some pseudoinstructions like "call" only accepted
symbolic addresses and rejected constant addresses with an
esoteric internal error.  This patch enables them by deferring
application of constant relocations to md_apply_fix, rather than
eagerly applying them during instruction assembly.

gas/ChangeLog

2017-01-09  Andrew Waterman <andrew@sifive.com>

	* config/tc-riscv.c (append_insn): Don't eagerly apply relocations
	against constants.
	(md_apply_fix): Mark relocations against constants as "done."
2017-01-09 09:20:05 -08:00
Andrew Waterman e294484ee7 RISC-V/GAS: Improve handling of invalid relocs
TLS relocs against constants previously segfaulted, and illegal
symbol subtractions were silently ignored.

The previous behavior was to segfault.

gas/ChangeLog

2017-01-09  Andrew Waterman <andrew@sifive.com>

	* config/tc-riscv.c (md_apply_fix): Report TLS relocations against
	constants.  Report disallowed symbol subtractions.
2017-01-09 09:18:36 -08:00
Palmer Dabbelt 6ec11ab97a Remove some custom sections from RISC-V's default linker scripts
This was added so compressed loads could have smaller offsets for
accessing the data section, but the result was that writable sections
ended up in INITIAL_READONLY_SECTIONS.  This is a bad idea.  The fix is
to just remove this micro-optimization.

Thanks to Alan Morda for finding the problem!

ld/ChangeLog

2017-01-09  Palmer Dabbelt <palmer@dabbelt.com>
            Kito Cheng <kito.cheng@gmail.com>

        * emulparams/elf32lriscv-defs.sh (INITIAL_READONLY_SECTIONS):
        Removed.
        (SDATA_START_SYMBOLS): Likewise.
2017-01-09 09:12:20 -08:00
Nick Clifton 20b52c88ea Add Swedish translation for GAS.
* po/sv.po: New Swedish translation.
	* configure.ac (ALL_LINGUAS): Add sv.
	* configure: Regenerate.
2017-01-09 10:11:50 +00:00
Andrew Waterman 011561117e RISC-V/GAS: Correct branch relaxation for weak symbols.
* config/tc-riscv.c (relaxed_branch_length): Use the long
	sequence when the target is a weak symbol.
2017-01-09 09:22:33 +00:00
Szabolcs Nagy d74d4880e2 [AArch64] Add separate feature flag for weaker release consistent load insns
The weaker release consistency support of ARMv8.3-A is allowed as an optional
extension for ARMv8.2-A, so separate command line option and feature flag is
added: -march=armv8.2-a+rcpc turns LDAPR, LDAPRB, LDAPRH instructions on.

opcodes/
	* aarch64-tbl.h (RCPC, RCPC_INSN): Define.
	(aarch64_opcode_table): Use RCPC_INSN.

include/
	* opcode/aarch64.h (AARCH64_FEATURE_RCPC): Define.
	(AARCH64_ARCH_V8_3): Update.

gas/
	* config/tc-aarch64.c (aarch64_features): Add rcpc.
	* doc/c-aarch64.texi (AArch64 Extensions): Document rcpc.
	* testsuite/gas/aarch64/ldst-exclusive-armv8_3.d: Rename to ...
	* testsuite/gas/aarch64/ldst-rcpc.d: This.
	* testsuite/gas/aarch64/ldst-exclusive-armv8_3.s: Rename to ...
	* testsuite/gas/aarch64/ldst-rcpc.s: This.
	* testsuite/gas/aarch64/ldst-rcpc-armv8_2.d: New test.
2017-01-04 12:31:08 +00:00
Norm Jacobs 10ab38d930 When configuring GAS treat as sparcv9 target the same way as a sparc64 target.
PR gas/20992
	* configure.tgt: Treat sparcv9 as sparc64.
2017-01-04 11:49:00 +00:00
Kito Cheng cc917fd93d Add support for the Q extension to the RISCV ISA.
gas    * config/tc-riscv.c (riscv_set_arch): Whitelist the "q" ISA
        extension.
        (riscv_after_parse_args): Set FLOAT_ABI_QUAD when the Q ISA is
        enabled and no other ABI is specified.

include * opcode/riscv-opc.h: Add support for the "q" ISA extension.

opcodes * riscv-opc.c (riscv-opcodes): Add support for the "q" ISA
        extension.
        * riscv-opcodes/all-opcodes: Likewise.
2017-01-03 17:42:01 +00:00
Dimitar Dimitrov ddb2c6fdfc Fix PRU GAS for 32-bit hosts
The PRU GAS port I originally submitted does not build on 32bit hosts.
This patch fixes it by aligning md_number_to_chars's definition with
the global declaration in tc.h.

Here is the original bug report I got:
  https://github.com/rcn-ee/repos/pull/23#issuecomment-269915175

	* config/tc-pru.c (md_number_to_chars): Fix parameter to be
	valueT, as declared in tc.h.
	(md_apply_fix): Fix to work on 32-bit hosts.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
2017-01-03 17:40:44 +10:30
Alan Modra 2571583aed Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
Alan Modra 5c1ad6b5bb ChangeLog rotation 2017-01-02 13:55:05 +10:30
Dimitar Dimitrov 93f11b16ec PRU GAS Port
* NEWS: Mention new PRU target.
	* Makefile.am: Add PRU target.
	* config/obj-elf.c: Ditto.
	* configure.tgt: Ditto.
	* config/tc-pru.c: New file.
	* config/tc-pru.h: New file.
	* doc/Makefile.am: Add documentation for PRU GAS port.
	* doc/all.texi, Ditto.
	* doc/as.texinfo: Ditto.
	* doc/c-pru.texi: Document PRU GAS options.
	* Makefile.in: Regenerate.
	* doc/Makefile.in: Regenerate.
	* po/POTFILES.in: Regenerate.
	* testsuite/gas/pru/alu.d: New file for PRU GAS testsuite.
	* testsuite/gas/pru/alu.s: Ditto.
	* testsuite/gas/pru/branch.d: Ditto.
	* testsuite/gas/pru/branch.s: Ditto.
	* testsuite/gas/pru/illegal.l: Ditto.
	* testsuite/gas/pru/illegal.s: Ditto.
	* testsuite/gas/pru/ldi.d: Ditto.
	* testsuite/gas/pru/ldi.s: Ditto.
	* testsuite/gas/pru/ldst.d: Ditto.
	* testsuite/gas/pru/ldst.s: Ditto.
	* testsuite/gas/pru/loop.d: Ditto.
	* testsuite/gas/pru/loop.s: Ditto.
	* testsuite/gas/pru/misc.d: Ditto.
	* testsuite/gas/pru/misc.s: Ditto.
	* testsuite/gas/pru/pru.exp: Ditto.
	* testsuite/gas/pru/pseudo.d: Ditto.
	* testsuite/gas/pru/pseudo.s: Ditto.
	* testsuite/gas/pru/warn_reglabel.l: Ditto.
	* testsuite/gas/pru/warn_reglabel.s: Ditto.
	* testsuite/gas/pru/xfr.d: Ditto.
	* testsuite/gas/pru/xfr.s: Ditto.
	* testsuite/gas/lns/lns.exp: Mark lns-common-1-alt variant for PRU.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
2016-12-31 12:03:35 +10:30
Maciej W. Rozycki 5284e471d5 MIPS16: Add ASMACRO instruction support
Add ASMACRO instruction support as per the MIPS16e ASE architecture
specifications [1][2], completing MIPS16e instruction set support.

[1] "MIPS32 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS32 Architecture", MIPS
    Technologies, Inc., Document Number: MD00076, Revision 2.63, July
    16, 2013, Section 4.1 "MIPS16e Instruction Descriptions", p. 65

[2] "MIPS64 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS64 Architecture", MIPS
    Technologies, Inc., Document Number: MD00077, Revision 2.60, June
    25, 2008, Section 1.1 "MIPS16e Instruction Descriptions", p. 66

	include/
	* opcode/mips.h: Document `0', `1', `2', `3', `4' and `s'
	operand codes.

	opcodes/
	* mips16-opc.c (decode_mips16_operand): Add `0', `1', `2', `3',
	`4' and `s' operand codes.
	(mips16_opcodes): Add "asmacro" entry.

	binutils/
	* testsuite/binutils-all/mips/mips16-extend-insn.d: Update for
	ASMACRO support.

	gas/
	* testsuite/gas/mips/mips16-asmacro.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-asmacro.d: New test.
	* testsuite/gas/mips/mips16-64@mips16-asmacro.d: New test.
	* testsuite/gas/mips/mips16-asmacro.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.
2016-12-23 19:55:21 +00:00
Maciej W. Rozycki bdd152861c MIPS16: Simplify extended operand handling
Simplify extended operand handling and only specially process immediates
which require bit shuffling, using the generic operand insertion and
extraction handlers for the '<' (5-bit shift amount) operand code in
particular.  Require the least significant bit of all extended operand
forms to be (artificially) set to 0 for their special processing to
trigger.

	gas/
	* config/tc-mips.c (mips16_immed): Limit `mips16_immed_extend'
	use to operands whose LSB position is zero.

	opcodes/
	* mips-dis.c (print_mips16_insn_arg): Simplify processing of
	extended operands.
	* mips16-opc.c (decode_mips16_operand): Switch the extended
	form of the `<' operand type to LSB position 22.
2016-12-23 19:42:28 +00:00
Maciej W. Rozycki 1da43accb4 MIPS16/GAS: Clean up invalid unextended operand handling
Bail out right away when an unextended instruction encoding is required
either with the use of a `.t' suffix or by means of `.set noautoextend',
however an operand supplied requires the extended instruction form to be
used.

This is to avoid messing up with the internal state of the assembler,
even though no actual failures are known to happen as a result.  Add
test cases for the situation concerned.

	gas/
	* config/tc-mips.c (match_mips16_insn): Don't update
	`forced_insn_length' or the instruction opcode if an operand
	requires an extended instruction form, but an unextended one
	has been requested.
	* testsuite/gas/mips/mips16-relax-unextended-1.d: New test.
	* testsuite/gas/mips/mips16-relax-unextended-2.d: New test.
	* testsuite/gas/mips/mips16-relax-unextended-1.l: New stderr
	output.
	* testsuite/gas/mips/mips16-relax-unextended-2.l: New stderr
	output.
	* testsuite/gas/mips/mips16-relax-unextended-1.s: New test
	source.
	* testsuite/gas/mips/mips16-relax-unextended-2.s: New test
	source.
	* testsuite/gas/mips/mips.exp: Run the new tests.
2016-12-23 19:38:41 +00:00
Maciej W. Rozycki d8722d7641 MIPS16: Reassign `0' and `4' operand codes
Replace `0' and `4' operand codes with `.' and `F' respectively to free
up the `0'-`4' consecutive range.  No functional change.

	gas/
	* config/tc-mips.c (mips16_macro_build): Replace `0' and `4'
	operand codes with `.' and `F' respectively.
	(mips16_macro): Likewise.

	include/
	* opcode/mips.h: Replace `0' and `4' operand codes with `.' and
	`F' respectively.

	opcodes/
	* mips16-opc.c (decode_mips16_operand): Replace `0' and `4'
	operand codes with `.' and `F' respectively.
	(mips16_opcodes): Likewise.
2016-12-23 19:37:13 +00:00
Maciej W. Rozycki 0674ee5dad MIPS16: Handle non-extensible instructions correctly
Identify non-extensible instructions in the MIPS16 opcode table and
disallow their use with the `.e' instruction size suffix in assembly and
do not interpret any EXTEND prefix present as a part of the instruction
in disassembly.

According to all versions of the MIPS16 ASE specifications the following
instructions encodings are not extensible [1][2][3][4][5][6]: I8/MOV32R,
I8/MOVR32, all RRR minor opcodes, all RR minor opcodes except from DSRA
and DSRL, and EXTEND itself, and as from revision 2.50 of the MIPS16e
ASE specifications it has been further clarified what was previously
implied, that non-extesiable instructions when preceded with an EXTEND
prefix must cause a Reserved Instruction exception [3][5].

Therefore in the presence of an EXTEND prefix none of these instructions
are supposed to be handled as extended instructions and supporting these
forms in disassembly causes confusion, and in the case of the RRR major
opcode it also clashes with the ASMACRO encoding.

References:

[1] "Product Description, MIPS16 Application-Specific Extension",
    Version 1.3, MIPS Technologies, Inc., 970130, Table 3. "MIPS16
    Instruction Set Summary", p. 5

[2] same, Table 5 "RR Minor Opcodes (RR-type instructions)", p.10

[3] "MIPS32 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS32 Architecture", MIPS
    Technologies, Inc., Document Number: MD00076, Revision 2.63, July
    16, 2013, Section 3.9 "MIPS16e Instruction Summaries", pp. 37-39

[4] same, Section 3.15 "Instruction Bit Encoding", pp. 46-49

[5] "MIPS64 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS64 Architecture", MIPS
    Technologies, Inc., Document Number: MD00077, Revision 2.60, June
    25, 2008, Section 1.9 "MIPS16e Instruction Summaries", pp. 38-41

[6] same, Section 1.15 "Instruction Bit Encoding", pp. 48-51

	include/
	* opcode/mips.h (INSN2_SHORT_ONLY): New macro.

	gas/
	* config/tc-mips.c (is_size_valid_16): Disallow a `.e' suffix
	instruction size override for INSN2_SHORT_ONLY opcode table
	entries.
	* testsuite/gas/mips/mips16-extend-swap.d: Adjust output.
	* testsuite/gas/mips/mips16-macro-e.l: Adjust error messages.
	* testsuite/gas/mips/mips16-32@mips16-macro-e.l: Adjust error
	messages.
	* testsuite/gas/mips/mips16e-32@mips16-macro-e.l: Adjust error
	messages.
	* testsuite/gas/mips/mips16-insn-e.d: New test.
	* testsuite/gas/mips/mips16-insn-t.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-insn-e.d: New test.
	* testsuite/gas/mips/mips16-64@mips16-insn-e.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-insn-e.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-insn-t.d: New test.
	* testsuite/gas/mips/mips16-64@mips16-insn-t.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-insn-t.d: New test.
	* testsuite/gas/mips/mips16-insn-e.l: New stderr output.
	* testsuite/gas/mips/mips16-insn-t.l: New stderr output.
	* testsuite/gas/mips/mips16-32@mips16-insn-e.l: New stderr
	output.
	* testsuite/gas/mips/mips16-64@mips16-insn-e.l: New stderr
	output.
	* testsuite/gas/mips/mips16e-32@mips16-insn-e.l: New stderr
	output.
	* testsuite/gas/mips/mips16-32@mips16-insn-t.l: New stderr
	output.
	* testsuite/gas/mips/mips16-64@mips16-insn-t.l: New stderr
	output.
	* testsuite/gas/mips/mips16e-32@mips16-insn-t.l: New stderr
	output.
	* testsuite/gas/mips/mips16-insn-e.s: New test source.
	* testsuite/gas/mips/mips16-insn-t.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.

	opcodes/
	* mips-dis.c (print_insn_mips16): Disallow EXTEND prefix
	matching for INSN2_SHORT_ONLY opcode table entries.
	* mips16-opc.c (SH): New macro.
	(mips16_opcodes): Set SH in `pinfo2' for non-extensible
	instruction entries: "nop", "addu", "and", "break", "cmp",
	"daddu", "ddiv", "ddivu", "div", "divu", "dmult", "dmultu",
	"drem", "dremu", "dsllv", "dsll", "dsrav", "dsra", "dsrlv",
	"dsrl", "dsubu", "exit", "entry", "jalr", "jal", "jr", "j",
	"jalrc", "jrc", "mfhi", "mflo", "move", "mult", "multu", "neg",
	"not", "or", "rem", "remu", "sllv", "sll", "slt", "sltu",
	"srav", "sra", "srlv", "srl", "subu", "xor", "sdbbp", "seb",
	"seh", "sew", "zeb", "zeh", "zew" and "extend".

	binutils/
	* testsuite/binutils-all/mips/mips16-extend-insn.d: New test.
	* testsuite/binutils-all/mips/mips16-extend-insn.s: New test
	source.
	* testsuite/binutils-all/mips/mips.exp: Run the new tests.
2016-12-23 19:33:45 +00:00
Maciej W. Rozycki b2805ed554 MIPS16: Remove "extended" BREAK/SDBBP handling
Remove special casing for the `6' operand code used for the embedded
trap code of the BREAK and the SDBBP instructions to support supposedly
extended forms of these instructions.

According to all versions of the MIPS16 ASE specifications these
instructions are not extensible [1][2][3][4][5][7][8][10][11], and as
from revision 2.50 of the MIPS16e ASE specifications it has been further
clarified what was previously implied, that non-extesiable instructions
when preceded with an EXTEND prefix must cause a Reserved Instruction
exception [5][6][9][10].

Therefore supposedly extended BREAK and SDBBP instructions do not serve
their purpose anymore as they do not cause a Bp and a Debug exception
respectively and supporting these forms in disassembly only causes
confusion.

References:

[1] "Product Description, MIPS16 Application-Specific Extension",
    Version 1.3, MIPS Technologies, Inc., 970130, Table 3. "MIPS16
    Instruction Set Summary", p. 5

[2] same, Table 5 "RR Minor Opcodes (RR-type instructions)", p.10

[3] same, Table 18. "Extendable MIPS16 Instructions", p. 24

[4] "MIPS32 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS32 Architecture", MIPS
    Technologies, Inc., Document Number: MD00076, Revision 2.63, July
    16, 2013, Table 3.8 "MIPS16e Special Instructions", p. 38

[5] same, Section 3.11 "MIPS16e Extensible Instructions, p. 41

[6] same, Table 3.15 "MIPS16e Extensible Instructions", p. 41

[7] same, Table 3.24 "MIPS16e RR Encoding of the Funct Field", p. 49

[8] "MIPS64 Architecture for Programmers, Volume IV-a: The MIPS16e
    Application-Specific Extension to the MIPS64 Architecture", MIPS
    Technologies, Inc., Document Number: MD00077, Revision 2.60, June
    25, 2008, Table 1.8 "MIPS16e Special Instructions", p. 39

[9] same, Section 1.11 "MIPS16e Extensible Instructions", p. 42

[10] same, Table 1.15 "MIPS16e Extensible Instructions", pp. 42-43

[11] same, Table 1.24 "MIPS16e RR Encoding of the Funct Field", p. 50

	gas/
	* config/tc-mips.c (match_mips16_insn): Remove the `6' operand
	code special case and its associated comment.

	opcodes/
	* mips16-opc.c (decode_mips16_operand) <'6'>: Remove extended
	encoding support.
2016-12-23 19:30:39 +00:00
Maciej W. Rozycki 3fb4970943 MIPS16/GAS: Fix forced size suffixes with argumentless instructions
Correct the handling of `.e' and `.t' instruction size suffixes with
instruction mnemonics which are not followed by any text on the same
line, such as arguments or white space, e.g.:

$ cat test.s
	.set	mips16
foo:
	entry.t		# comment
	entry.t
	exit.t		# comment
	exit.t
	nop.t		# comment
	nop.t
$ as -32 -o test.o test.s
test.s: Assembler messages:
test.s:4: Error: unrecognized opcode `entry.t'
test.s:6: Error: unrecognized opcode `exit.t'
test.s:8: Error: unrecognized opcode `nop.t'
$

	gas/
	* config/tc-mips.c (mips16_ip): Handle `.e' and `.t' instruction
	suffixes followed by a null character rather than a space too.
	* testsuite/gas/mips/mips16-insn-length-noargs.d: New test.
	* testsuite/gas/mips/mips16-insn-length-noargs.s: New test
	source.
	* testsuite/gas/mips/mips.exp: Run the new test.
2016-12-23 19:28:23 +00:00
Maciej W. Rozycki 645c455650 MIPS16/GAS: Disallow EXTEND delay-slot scheduling
Do not allow any explicitly coded EXTEND instruction to be automatically
scheduled into a jump delay slot, as an EXTEND prefix is coupled with
the next regular MIPS16 instruction and therefore swapping it with a
jump would change program's semantics; EXTEND is not architecturally
allowed to be present in a jump delay slot anyway.

	opcodes/
	* mips16-opc.c (mips16_opcodes): Set NODS in `pinfo' for
	"extend".

	gas/
	* testsuite/gas/mips/mips16-extend-swap.d: New test.
	* testsuite/gas/mips/mips16-extend-swap.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new test.
2016-12-23 19:25:44 +00:00
Joe Seymour 4eabf34463 [msp430] Sync tc-msp430.c with devices.csv
This patch syncs the generated data structure in tc-msp430.c with the
latest version of devices.csv released by TI.

My understanding is that the devices being removed were "invalid spins",
so can't be being used by anyone, and never will be. Current web
searches related to these devices return no relevant results.

Built and tested (no regressions) as follows:
  Configured with: --target=msp430-elf --disable-gdb
  Test variations:
    msp430-sim/-mcpu=msp430
    msp430-sim/-mcpu=msp430x
    msp430-sim/-mcpu=msp430x/-mlarge/-mdata-region=either/-mcode-region=either
    msp430-sim/-mhwmult=none
    msp430-sim/-mhwmult=f5series

gas/
	* config/tc-msp430.c (msp430_mcu_data): Sync with data from TI's
	devices.csv file as of September 2016.
2016-12-23 10:19:15 +00:00
Tristan Gingold 99b5dbf2e7 Bump version to 2.28.51
bfd/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* version.m4: Bump version to 2.28.51
	* configure: Regenerate.

binutils/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.

gas/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.

gprof/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.

ld/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.

opcodes/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.
2016-12-23 09:50:53 +01:00
Tristan Gingold 9703a4ef4d Add marker in NEWS files
binutils/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* NEWS: Add marker for 2.28.

gas/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* NEWS: Add marker for 2.28.

ld/
2016-12-23  Tristan Gingold  <gingold@adacore.com>

	* NEWS: Add marker for 2.28.
2016-12-23 09:43:13 +01:00
Tristan Gingold e0e7a9d436 Regenerate pot files. 2016-12-23 09:32:28 +01:00
Alan Modra b2c6190bfc ChangeLog formatting fixes 2016-12-22 00:40:21 +10:30
Andrew Waterman e5b737de4a Support aligning text section from odd addresses
Previously, the alignment directives were not correctly supported
in the text section when current alignment was only 1 byte (i.e.,
when the address was odd).  Since there are no 1-byte instructions
in RISC-V, this patch resolves the bug by writing a zero byte to
obtain 2-byte alignment, at which point a 2-byte NOP can be used
to obtain 4-byte alignment.

Resolves https://github.com/riscv/riscv-gnu-toolchain/issues/205

	* config/tc-riscv.c (riscv_make_nops): Emit 2-byte NOPs.
	(riscv_frag_align_code): Correct frag_align_code arg.
2016-12-22 00:27:09 +10:30
Tim Newsome ad5bc88245 Fix a const-safety issue on GCC-4.9 and above
* config/tc-riscv.c (riscv_pre_output_hook): Remove const from
	loc4_frag.
2016-12-22 00:21:16 +10:30
Alan Modra 4e25adb395 Remove high bit set characters
gas/
	* doc/c-lm32.texi: Fix chars with high bit set.
	* testsuite/gas/bfin/vector2.s: Likewise.
gold/
	* arm.cc: Fix comment chars with high bit set.
include/
	* coff/pe.h: Fix comment chars with high bit set.
	* opcode/xgate.h: Likewise.
ld/
	* testsuite/ld-scripts/sysroot-prefix.exp: Fix chars with high bit set.
2016-12-21 19:18:46 +10:30
Alan Modra 9962fe293d Document character escape sequences
PR gas/10946
	* doc/as.texinfo (Chars): Document escape sequences.
2016-12-21 19:09:38 +10:30
Maciej W. Rozycki 11dd08e9a0 MIPS16/opcodes: Respect ISA and ASE in disassembly
Limit MIPS16 instruction disassembly according to the ISA level and ASE
set selected, as with the regular MIPS and microMIPS instruction sets.
Retain the property of `objdump -m mips:16' disassembling all MIPS16
instructions however, regardless of any ISA level recorded in the binary
examined.

To validate the disassembler use the GAS test suite for its convenience
of running tests across multiple ISAs, even though placing the tests in
the binutils test suite would be more appropriate.  Adjust the single
binutils test which depends on 64-bit instruction disassembly to have
the ISA level required actually recorded in the binary examined.

	opcodes/
	* mips-dis.c (mips_arch_choices): Use ISA_MIPS64 rather than
	ISA_MIPS3 as the `isa' selection in the `bfd_mach_mips16' entry.
	(print_insn_mips16): Check opcode entries for validity against
	the ISA level and ASE set selected.

	binutils/
	* testsuite/binutils-all/mips/mips16-undecoded.s: Use `.module'
	rather than `.set' to set the ISA level.

	gas/
	* testsuite/gas/mips/mips16-sub.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-sub.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-sub.d: New test.
	* testsuite/gas/mips/mips16e-sub.d: New test.
	* testsuite/gas/mips/mips16-32@mips16e-sub.d: New test.
	* testsuite/gas/mips/mips16-64@mips16e-sub.d: New test.
	* testsuite/gas/mips/mips16e-64-sub.d: New test.
	* testsuite/gas/mips/mips16-32@mips16e-64-sub.d: New test.
	* testsuite/gas/mips/mips16-64@mips16e-64-sub.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16e-64-sub.d: New test.
	* testsuite/gas/mips/mips16-sub.s: New test source.
	* testsuite/gas/mips/mips16e-sub.s: New test source.
	* testsuite/gas/mips/mips16e-64-sub.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.
2016-12-20 12:05:48 +00:00
Maciej W. Rozycki 853faf5cc3 MIPS/GAS/testsuite: Add RESTORE instruction to `mips16e' test
Add a RESTORE instruction smoke test to the `mips16e' GAS test.

	gas/
	* testsuite/gas/mips/mips16e.s: Add a RESTORE instruction.
	* testsuite/gas/mips/mips16e.d: Adjust accordingly.
2016-12-20 12:03:41 +00:00
Maciej W. Rozycki c60aaac10f MIPS/GAS/testsuite: Extend MIPS16 testing over multiple ISAs
Run the `mips16', `mips16-64', `mips16e-64', `mips16-macro',
`mips16-macro-e' and `mips16-macro-t' GAS tests over multiple MIPS16
ISAs.

	gas/
	* testsuite/gas/mips/mips16.d: Adjust test for multiple MIPS16
	ISA testing.
	* testsuite/gas/mips/mips16-64.d: Adjust test for multiple
	MIPS16 ISA testing.
	* testsuite/gas/mips/mips16e-64.d: Adjust test for multiple
	MIPS16 ISA testing.
	* testsuite/gas/mips/mips16-macro.d: Adjust test for multiple
	MIPS16 ISA testing.
	* testsuite/gas/mips/mips16e-64.s: Ensure MIPS16 ISA annotation.
	* testsuite/gas/mips/mips16e-64.l: Rename to...
	* testsuite/gas/mips/mips16e-32@mips16e-64.l: ... this.
	* testsuite/gas/mips/mips16-64@mips16.d: New test.
	* testsuite/gas/mips/mips16-64@mips16-64.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16e-64.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-macro.d: New test.
	* testsuite/gas/mips/mips16-64@mips16-macro.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-macro.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-macro-e.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-macro-e.d: New test.
	* testsuite/gas/mips/mips16-32@mips16-macro-t.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16-macro-t.d: New test.
	* testsuite/gas/mips/mips16e-32@mips16e-64.l: New stderr output.
	* testsuite/gas/mips/mips16-32@mips16-macro.l: New stderr
	output.
	* testsuite/gas/mips/mips16e-32@mips16-macro.l: New stderr
	output.
	* testsuite/gas/mips/mips16-32@mips16-macro-e.l: New stderr
	output.
	* testsuite/gas/mips/mips16e-32@mips16-macro-e.l: New stderr
	output.
	* testsuite/gas/mips/mips16-32@mips16-macro-t.l: New stderr
	output.
	* testsuite/gas/mips/mips16e-32@mips16-macro-t.l: New stderr
	output.
	* testsuite/gas/mips/mips.exp: Run `mips16', `mips16-64',
	`mips16-macro', `mips16-macro-t', `mips16-macro-e' and
	`mips16e-64' testing across multiple MIPS16 ISAs.  Fold
	`mips16-macro' and `mips16e-64' list test invocations into
	corresponding dump tests.
2016-12-20 12:02:30 +00:00
Maciej W. Rozycki 6b4382006b MIPS/GAS/testsuite: Implement individual MIPS16 ISA testing
Implement individual MIPS16 ISA GAS testing for the 32-bit and 64-bit
variants of the base MIPS16 and the MIPS16e ISA each.

	gas/
	* testsuite/gas/mips/mips.exp (run_dump_test_arch): Add
	`mips16e' and `mips16' prefixes.
	(run_list_test_arch): Likewise.
	Rename `mips16' architecture to `mips16-32'.  Add `mips16-64',
	`mips16e-32' and `mips16e-64' architectures.  Update `rol64',
	`mips16e', `elf${el}-rel2' and `elf-rel4' test invocations
	accordingly.
	* testsuite/gas/mips/mips16e@branch-swap-3.d: New test.
	* testsuite/gas/mips/mips16e@branch-swap-4.d: New test.
	* testsuite/gas/mips/mips16e@loc-swap-dis.d: New test.
	* testsuite/gas/mips/mips16e@loc-swap.d: New test.
2016-12-20 12:01:13 +00:00
Maciej W. Rozycki 23c212516e MIPS/GAS/testsuite: Fix trailing padding in `loc-swap.s'
Pad alignment with zeros rather than NOP instructions, for sensible
multi-ISA MIPS16 testing.

	gas/
	* testsuite/gas/mips/loc-swap.s: Use zeros rather than NOPs for
	trailing alignment padding.
	* testsuite/gas/mips/loc-swap.d: Adjust accordingly.
	* testsuite/gas/mips/micromips@loc-swap.d: Likewise.
	* testsuite/gas/mips/mips16@loc-swap-dis.d: Likewise.
2016-12-20 11:58:56 +00:00
Maciej W. Rozycki 7fd5392005 MIPS16: Switch to 32-bit opcode table interpretation
Switch to 32-bit MIPS16 opcode table entry interpretation, similar to
how the microMIPS opcode table is handled, for both the `match' and
`mask' fields, removing special casing for JAL and JALX instructions and
their `a' and `i' operand codes throughout, while retaining automatic
processing of extendable opcodes in assembly and disassembly.

In assembly disallow size enforcement suffixes as appropriate: `.t' for
both 32-bit instructions and macros and `.e' for macros only, making
macro handling consistent with the microMIPS instruction set.

In disassembly fully decode EXTEND prefixes prepended to unsupported
instruction encodings (according to the ISA selection) rather than
dumping them as hexadecimal data along with the following instruction,
removing all special casing for the EXTEND prefix and making its
handling rely on its opcode table entry, except where it is considered a
part of an extendable instruction.

	include/
	* opcode/mips.h (mips_opcode_32bit_p): New inline function.

	gas/
	* config/tc-mips.c (micromips_insn_length): Use
	`mips_opcode_32bit_p'.
	(is_size_valid): Adjust description.
	(is_size_valid_16): New function.
	(validate_mips_insn): Use `mips_opcode_32bit_p' in MIPS16
	operand decoding.
	(validate_mips16_insn): Remove `a' and `i' operand code special
	casing, use `mips_opcode_32bit_p' to determine instruction
	width.
	(append_insn): Adjust forced MIPS16 instruction size
	determination.
	(match_mips16_insn): Likewise.  Don't shift the instruction's
	opcode with the `a' and `i' operand codes.  Use
	`mips_opcode_32bit_p' in operand decoding.
	(match_mips16_insns): Check for forced instruction size's
	validity.
	(mips16_ip): Don't force instruction size in the `noautoextend'
	mode.
	* testsuite/gas/mips/mips16-jal-e.d: New test.
	* testsuite/gas/mips/mips16-jal-t.d: New test.
	* testsuite/gas/mips/mips16-macro-e.d: New test.
	* testsuite/gas/mips/mips16-macro-t.d: New test.
	* testsuite/gas/mips/mips16-jal-t.l: New stderr output.
	* testsuite/gas/mips/mips16-macro-e.l: New stderr output.
	* testsuite/gas/mips/mips16-macro-t.l: New stderr output.
	* testsuite/gas/mips/mips16-jal-e.s: New test source.
	* testsuite/gas/mips/mips16-jal-t.s: New test source.
	* testsuite/gas/mips/mips16-macro-e.s: New test source.
	* testsuite/gas/mips/mips16-macro-t.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new tests.

	opcodes/
	* mips-dis.c (print_mips16_insn_arg): Always handle `extend' and
	`insn' together, with `extend' as the high-order 16 bits.
	(match_kind): New enum.
	(print_insn_mips16): Rework for 32-bit instruction matching.
	Do not dump EXTEND prefixes here.
	* mips16-opc.c (mips16_opcodes): Move "extend" entry to the end.
	Recode `match' and `mask' fields as 32-bit in absolute "jal" and
	"jalx" entries.

	binutils/
	* testsuite/binutils-all/mips/mips16-extend-noinsn.d: Adjust
	test for separate EXTEND prefix disassembly.
2016-12-20 11:56:32 +00:00
Maciej W. Rozycki 4ebce1a0a5 MIPS16/opcodes: Correct 64-bit macros' ISA membership
Limit the DDIV, DDIVU, DREM, DREMU and DSUBU macros to the MIPS III
rather than MIPS I ISA.  These macros expand to machine code sequences
including 64-bit instructions which require a 64-bit ISA.  Entries for
those instructions are already correctly marked, however the marking is
ignored if entries are used in the process of macro expansion rather
than directly, making it possible to indirectly produce 64-bit machine
code even when output requested has been limited to a 32-bit ISA.

	opcodes/
	* mips16-opc.c (mips16_opcodes): Set membership to I3 rather
	than I1 for the "ddiv", "ddivu", "drem", "dremu" and "dsubu"
	INSN_MACRO entries.

	gas/
	* testsuite/gas/mips/mips16-macro.l: New list test.
	* testsuite/gas/mips/mips.exp: Run the new test.
2016-12-20 11:52:11 +00:00
Maciej W. Rozycki c97dda72b9 MIPS16/opcodes: Correct I64/SDRASP opcode's ISA membership
Limit the `SD ra, offset(sp)' instruction (I64/SDRASP major/minor
opcode) to the MIPS III rather than MIPS I ISA.  This is a 64-bit
instruction requiring a 64-bit ISA.  This bug has been there since
forever.

	opcodes/
	* mips16-opc.c (mips16_opcodes): Set membership to I3 rather
	than I1 for the SP-relative "sd"/$ra entry (SDRASP minor
	opcode).

	gas/
	* testsuite/gas/mips/mips16-sdrasp.d: New test.
	* testsuite/gas/mips/mips16-sdrasp.l: New stderr output.
	* testsuite/gas/mips/mips16-sdrasp.s: New test source.
	* testsuite/gas/mips/mips.exp: Run the new test.
2016-12-20 11:49:44 +00:00