gas * testsuite/gas/arc/dsp.d: New file.
* testsuite/gas/arc/dsp.s: Likewise.
* testsuite/gas/arc/fpu.d: Likewise.
* testsuite/gas/arc/fpu.s: Likewise.
* testsuite/gas/arc/ext2op.d: Add specific disassembler option.
* testsuite/gas/arc/ext3op.d: Likewise.
* testsuite/gas/arc/tdpfp.d: Likewise.
* testsuite/gas/arc/tfpuda.d: Likewise.
opcodes * arc-dis.c (skipclass): New structure.
(decodelist): New variable.
(is_compatible_p): New function.
(new_element): Likewise.
(skip_class_p): Likewise.
(find_format_from_table): Use skip_class_p function.
(find_format): Decode first the extension instructions.
(print_insn_arc): Select either ARCEM or ARCHS based on elf
e_flags.
(parse_option): New function.
(parse_disassembler_options): Likewise.
(print_arc_disassembler_options): Likewise.
(print_insn_arc): Use parse_disassembler_options function. Proper
select ARCv2 cpu variant.
* disassemble.c (disassembler_usage): Add ARC disassembler
options.
binutils* doc/binutils.texi (objdump): Add ARC disassembler options.
* testsuite/binutils-all/arc/dsp.s: New file.
* testsuite/binutils-all/arc/objdump.exp: Likewise.
include * dis-asm.h: Declare print_arc_disassembler_options.
+2016-07-20 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * doc/binutils.texi (objdump): Add ARC disassembler options.
+ * testsuite/binutils-all/arc/dsp.s: New file.
+ * testsuite/binutils-all/arc/objdump.exp: Likewise.
+ * NEWS: Mention the new feature.
+
2016-07-20 Nick Clifton <nickc@redhat.com>
* doc/binutils.texi (objcopy): Note that the localize symbol
-*- text -*-
+* The ARC port of objdump now accepts a -M option to specify the extra
+ instruction class(es) that should be disassembled.
+
* The --remove-section option for objcopy and strip now accepts section
patterns starting with an exclamation point to indicate a non-matching
section. A non-matching section is removed from the set of sections
disassembler option then multiple @option{-M} options can be used or
can be placed together into a comma separated list.
+For the ARC architecture the option can be used to specify the extra
+instruction classes that should be disassembled. A comma separated
+list of one or more of the following values should be used:
+
+@table @code
+@item dsp
+Recognize DSP instructions.
+@item spfp
+Recognize FPX SP instructions.
+@item dpfp
+Recognize FPX DP instructions.
+@item quarkse_em
+Recognize FPU QuarkSE-EM instructions.
+@item fpuda
+Recognize double assist FPU instructions.
+@item fpus
+Recognize single precision FPU instructions.
+@item fpud
+Recognize double precision FPU instructions.
+@end table
+
If the target is an ARM architecture then this switch can be used to
select which register name set is used during disassembler. Specifying
@option{-M reg-names-std} (the default) will select the register names as
be decoded as VAX instructions, which would probably lead the rest
of the function being wrongly disassembled.
+For ARC, @option{dsp} controls the printing of DSP instructions,
+@option{spfp} selects the printing of FPX single precision FP
+instructions, @option{dpfp} selects the printing of FPX double
+precision FP instructions, @option{quarkse_em} selects the printing of
+special QuarkSE-EM instructions, @option{fpuda} selects the printing
+of double precision assist instructions, @option{fpus} selects the
+printing of FPU single precision FP instructions, while @option{fpud}
+selects the printing of FPU souble precision FP instructions.
+
@item -p
@itemx --private-headers
Print information that is specific to the object file format. The exact
--- /dev/null
+ .cpu EM
+ .text
+ vmac2hnfr r0,r2,r4
+ cmacchfr r0,r2,r4
+ cmacchnfr r0,r2,r4
--- /dev/null
+# Copyright (C) 2016 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+
+if {![istarget "arc*-*-*"]} then {
+ return
+}
+
+if {[which $OBJDUMP] == 0} then {
+ perror "$OBJDUMP does not exist"
+ return
+}
+
+send_user "Version [binutil_version $OBJDUMP]"
+
+###########################
+# Set up the test of dsp.s
+###########################
+
+if {![binutils_assemble $srcdir/$subdir/dsp.s tmpdir/dsp.o]} then {
+ return
+}
+
+if [is_remote host] {
+ set objfile [remote_download host tmpdir/dsp.o]
+} else {
+ set objfile tmpdir/dsp.o
+}
+
+# Make sure that a warning message is generated (because the disassembly does
+# not match the assembled instructions, which has happened because the user
+# has not specified a -M option on the disassembler command line, and so the
+# disassembler has had to guess as the instruction class in use).
+
+set got [binutils_run $OBJDUMP "$OBJDUMPFLAGS --disassemble $objfile"]
+
+set want "Warning: disassembly.*dsubh12\[ \t\]*r0,r2,r4.*dmulh12.f\[ \t\]*r0,r2,r4.*dmulh11.f"
+
+if [regexp $want $got] then {
+ pass "Warning test"
+} else {
+ fail "Warning test"
+}
+2016-07-20 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * testsuite/gas/arc/dsp.d: New file.
+ * testsuite/gas/arc/dsp.s: Likewise.
+ * testsuite/gas/arc/fpu.d: Likewise.
+ * testsuite/gas/arc/fpu.s: Likewise.
+ * testsuite/gas/arc/ext2op.d: Add specific disassembler option.
+ * testsuite/gas/arc/ext3op.d: Likewise.
+ * testsuite/gas/arc/tdpfp.d: Likewise.
+ * testsuite/gas/arc/tfpuda.d: Likewise.
+
2016-07-20 Maciej W. Rozycki <macro@imgtec.com>
* config/tc-mips.c (mips_force_relocation): Remove
--- /dev/null
+#as: -mcpu=arcem
+#objdump: -dr --prefix-addresses --show-raw-insn -M dsp
+
+.*: +file format .*arc.*
+
+
+Disassembly of section .text:
+0x[0-9a-f]+ 3211 0100 vmac2hnfr r0,r2,r4
+0x[0-9a-f]+ 282f 0084 abssh r0,r2
+0x[0-9a-f]+ 282f 003f aslacc r0
+0x[0-9a-f]+ 292f 003f aslsacc r0
+0x[0-9a-f]+ 2a0c 0100 asrsr r0,r2,r4
+0x[0-9a-f]+ 321b 8100 cbflyhf0r r0,r2,r4
+0x[0-9a-f]+ 302f 00b9 cbflyhf1r r0,r2
+0x[0-9a-f]+ 3209 8100 cmacchfr r0,r2,r4
+0x[0-9a-f]+ 3208 8100 cmacchnfr r0,r2,r4
+0x[0-9a-f]+ 3207 8100 cmachfr r0,r2,r4
+0x[0-9a-f]+ 3206 8100 cmachnfr r0,r2,r4
+0x[0-9a-f]+ 3205 8100 cmpychfr r0,r2,r4
+0x[0-9a-f]+ 3202 8100 cmpychnfr r0,r2,r4
+0x[0-9a-f]+ 321b 0100 cmpyhfmr r0,r2,r4
+0x[0-9a-f]+ 3201 8100 cmpyhfr r0,r2,r4
+0x[0-9a-f]+ 3200 8100 cmpyhnfr r0,r2,r4
+0x[0-9a-f]+ 2b2f 003f divacc r0
+0x[0-9a-f]+ 3218 0100 dmachbl r0,r2,r4
+0x[0-9a-f]+ 3219 0100 dmachbm r0,r2,r4
+0x[0-9a-f]+ 2a2c 0100 dmachf r0,r2,r4
+0x[0-9a-f]+ 2a2d 0100 dmachfr r0,r2,r4
+0x[0-9a-f]+ 3216 0100 dmpyhbl r0,r2,r4
+0x[0-9a-f]+ 3217 0100 dmpyhbm r0,r2,r4
+0x[0-9a-f]+ 2a2a 0100 dmpyhf r0,r2,r4
+0x[0-9a-f]+ 2a2b 0100 dmpyhfr r0,r2,r4
+0x[0-9a-f]+ 2a28 0100 dmpyhwf r0,r2,r4
+0x[0-9a-f]+ 2c2f 803f flagacc r0
+0x[0-9a-f]+ 282f 0098 getacc r0,r2
+0x[0-9a-f]+ 320c 0100 macf r0,r2,r4
+0x[0-9a-f]+ 320d 0100 macfr r0,r2,r4
+0x[0-9a-f]+ 3222 0100 macwhfm r0,r2,r4
+0x[0-9a-f]+ 3223 0100 macwhfmr r0,r2,r4
+0x[0-9a-f]+ 321d 0100 macwhl r0,r2,r4
+0x[0-9a-f]+ 321f 0100 macwhul r0,r2,r4
+0x[0-9a-f]+ 320a 0100 mpyf r0,r2,r4
+0x[0-9a-f]+ 320b 0100 mpyfr r0,r2,r4
+0x[0-9a-f]+ 3224 0100 mpywhfl r0,r2,r4
+0x[0-9a-f]+ 3225 0100 mpywhflr r0,r2,r4
+0x[0-9a-f]+ 3220 0100 mpywhfm r0,r2,r4
+0x[0-9a-f]+ 3221 0100 mpywhfmr r0,r2,r4
+0x[0-9a-f]+ 321c 0100 mpywhl r0,r2,r4
+0x[0-9a-f]+ 321e 0100 mpywhul r0,r2,r4
+0x[0-9a-f]+ 3215 0100 msubdf r0,r2,r4
+0x[0-9a-f]+ 320e 0100 msubf r0,r2,r4
+0x[0-9a-f]+ 320f 0100 msubfr r0,r2,r4
+0x[0-9a-f]+ 282f 0086 negsh r0,r2
+0x[0-9a-f]+ 282f 0099 normacc r0,r2
+0x[0-9a-f]+ 282f 0083 rndh r0,r2
+0x[0-9a-f]+ 282f 0082 sath r0,r2
+0x[0-9a-f]+ 2a0d 8100 setacc r0,r2,r4
+0x[0-9a-f]+ 2a2f 003f sqrtacc r0
+0x[0-9a-f]+ 282f 00a8 vabs2h r0,r2
+0x[0-9a-f]+ 282f 00a9 vabss2h r0,r2
+0x[0-9a-f]+ 2a24 0100 vadd4b r0,r2,r4
+0x[0-9a-f]+ 2a14 8100 vadds2h r0,r2,r4
+0x[0-9a-f]+ 2a16 8100 vaddsubs2h r0,r2,r4
+0x[0-9a-f]+ 2a0d 0100 valgn2h r0,r2,r4
+0x[0-9a-f]+ 2a21 0100 vasl2h r0,r2,r4
+0x[0-9a-f]+ 2a21 8100 vasls2h r0,r2,r4
+0x[0-9a-f]+ 2a22 0100 vasr2h r0,r2,r4
+0x[0-9a-f]+ 2a22 8100 vasrs2h r0,r2,r4
+0x[0-9a-f]+ 2a23 8100 vasrsr2h r0,r2,r4
+0x[0-9a-f]+ 282f 00a4 vext2bhl r0,r2
+0x[0-9a-f]+ 282f 00a5 vext2bhm r0,r2
+0x[0-9a-f]+ 2a23 0100 vlsr2h r0,r2,r4
+0x[0-9a-f]+ 2a1e 0100 vmac2h r0,r2,r4
+0x[0-9a-f]+ 2a1e 8100 vmac2hf r0,r2,r4
+0x[0-9a-f]+ 2a1f 8100 vmac2hfr r0,r2,r4
+0x[0-9a-f]+ 2a1f 0100 vmac2hu r0,r2,r4
+0x[0-9a-f]+ 2a24 8100 vmax2h r0,r2,r4
+0x[0-9a-f]+ 2a25 8100 vmin2h r0,r2,r4
+0x[0-9a-f]+ 2a1c 0100 vmpy2h r0,r2,r4
+0x[0-9a-f]+ 2a1c 8100 vmpy2hf r0,r2,r4
+0x[0-9a-f]+ 2a1d 8100 vmpy2hfr r0,r2,r4
+0x[0-9a-f]+ 2a1d 0100 vmpy2hu r0,r2,r4
+0x[0-9a-f]+ 2a20 0100 vmpy2hwf r0,r2,r4
+0x[0-9a-f]+ 3204 0100 vmsub2hf r0,r2,r4
+0x[0-9a-f]+ 3203 0100 vmsub2hfr r0,r2,r4
+0x[0-9a-f]+ 3211 8100 vmsub2hnfr r0,r2,r4
+0x[0-9a-f]+ 282f 00aa vneg2h r0,r2
+0x[0-9a-f]+ 282f 00ab vnegs2h r0,r2
+0x[0-9a-f]+ 282f 00ac vnorm2h r0,r2
+0x[0-9a-f]+ 282f 00a2 vrep2hl r0,r2
+0x[0-9a-f]+ 282f 00a3 vrep2hm r0,r2
+0x[0-9a-f]+ 282f 00a6 vsext2bhl r0,r2
+0x[0-9a-f]+ 282f 00a7 vsext2bhm r0,r2
+0x[0-9a-f]+ 2a25 0100 vsub4b r0,r2,r4
+0x[0-9a-f]+ 2a17 8100 vsubadds2h r0,r2,r4
+0x[0-9a-f]+ 2a15 8100 vsubs2h r0,r2,r4
--- /dev/null
+#Test if disassembler correctly prints DSP instructions.
+ vmac2hnfr r0,r2,r4
+ abssh r0,r2
+ aslacc r0
+ aslsacc r0
+ asrsr r0,r2,r4
+ cbflyhf0r r0,r2,r4
+ cbflyhf1r r0,r2
+ cmacchfr r0,r2,r4
+ cmacchnfr r0,r2,r4
+ cmachfr r0,r2,r4
+ cmachnfr r0,r2,r4
+ cmpychfr r0,r2,r4
+ cmpychnfr r0,r2,r4
+ cmpyhfmr r0,r2,r4
+ cmpyhfr r0,r2,r4
+ cmpyhnfr r0,r2,r4
+ divacc r0
+ dmachbl r0,r2,r4
+ dmachbm r0,r2,r4
+ dmachf r0,r2,r4
+ dmachfr r0,r2,r4
+ dmpyhbl r0,r2,r4
+ dmpyhbm r0,r2,r4
+ dmpyhf r0,r2,r4
+ dmpyhfr r0,r2,r4
+ dmpyhwf r0,r2,r4
+ flagacc r0
+ getacc r0,r2
+ macf r0,r2,r4
+ macfr r0,r2,r4
+ macwhfm r0,r2,r4
+ macwhfmr r0,r2,r4
+ macwhl r0,r2,r4
+ macwhul r0,r2,r4
+ mpyf r0,r2,r4
+ mpyfr r0,r2,r4
+ mpywhfl r0,r2,r4
+ mpywhflr r0,r2,r4
+ mpywhfm r0,r2,r4
+ mpywhfmr r0,r2,r4
+ mpywhl r0,r2,r4
+ mpywhul r0,r2,r4
+ msubdf r0,r2,r4
+ msubf r0,r2,r4
+ msubfr r0,r2,r4
+ negsh r0,r2
+ normacc r0,r2
+ rndh r0,r2
+ sath r0,r2
+ setacc r0,r2,r4
+ sqrtacc r0
+ vabs2h r0,r2
+ vabss2h r0,r2
+ vadd4b r0,r2,r4
+ vadds2h r0,r2,r4
+ vaddsubs2h r0,r2,r4
+ valgn2h r0,r2,r4
+ vasl2h r0,r2,r4
+ vasls2h r0,r2,r4
+ vasr2h r0,r2,r4
+ vasrs2h r0,r2,r4
+ vasrsr2h r0,r2,r4
+ vext2bhl r0,r2
+ vext2bhm r0,r2
+ vlsr2h r0,r2,r4
+ vmac2h r0,r2,r4
+ vmac2hf r0,r2,r4
+ vmac2hfr r0,r2,r4
+ vmac2hu r0,r2,r4
+ vmax2h r0,r2,r4
+ vmin2h r0,r2,r4
+ vmpy2h r0,r2,r4
+ vmpy2hf r0,r2,r4
+ vmpy2hfr r0,r2,r4
+ vmpy2hu r0,r2,r4
+ vmpy2hwf r0,r2,r4
+ vmsub2hf r0,r2,r4
+ vmsub2hfr r0,r2,r4
+ vmsub2hnfr r0,r2,r4
+ vneg2h r0,r2
+ vnegs2h r0,r2
+ vnorm2h r0,r2
+ vrep2hl r0,r2
+ vrep2hm r0,r2
+ vsext2bhl r0,r2
+ vsext2bhm r0,r2
+ vsub4b r0,r2,r4
+ vsubadds2h r0,r2,r4
+ vsubs2h r0,r2,r4
#as: -mcpu=arcem
-#objdump: -dr
+#objdump: -dr -M quarkse_em
.*: +file format .*arc.*
#as: -mcpu=arcem
-#objdump: -dr
+#objdump: -dr -M quarkse_em
.*: +file format .*arc.*
--- /dev/null
+#as: -mcpu=archs
+#objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arc.*
+
+
+Disassembly of section .text:
+0x[0-9a-f]+ 3208 0100 fcvt32 r0,r2,r4
+0x[0-9a-f]+ 3209 0100 fcvt32_64 r0,r2,r4
+0x[0-9a-f]+ 3238 0100 fcvt64 r0,r2,r4
+0x[0-9a-f]+ 3239 0100 fcvt64_32 r0,r2,r4
+0x[0-9a-f]+ 3231 0100 fdadd r0,r2,r4
+0x[0-9a-f]+ 3033 8080 fdcmp r0,r2
+0x[0-9a-f]+ 3034 8080 fdcmpf r0,r2
+0x[0-9a-f]+ 3237 0100 fddiv r0,r2,r4
+0x[0-9a-f]+ 3235 0100 fdmadd r0,r2,r4
+0x[0-9a-f]+ 3236 0100 fdmsub r0,r2,r4
+0x[0-9a-f]+ 3230 0100 fdmul r0,r2,r4
+0x[0-9a-f]+ 302f 0081 fdsqrt r0,r2
+0x[0-9a-f]+ 3232 0100 fdsub r0,r2,r4
+0x[0-9a-f]+ 3201 0100 fsadd r0,r2,r4
+0x[0-9a-f]+ 3003 8080 fscmp r0,r2
+0x[0-9a-f]+ 3004 8080 fscmpf r0,r2
+0x[0-9a-f]+ 3207 0100 fsdiv r0,r2,r4
+0x[0-9a-f]+ 3205 0100 fsmadd r0,r2,r4
+0x[0-9a-f]+ 3206 0100 fsmsub r0,r2,r4
+0x[0-9a-f]+ 3200 0100 fsmul r0,r2,r4
+0x[0-9a-f]+ 302f 0080 fssqrt r0,r2
+0x[0-9a-f]+ 3202 0100 fssub r0,r2,r4
--- /dev/null
+# Test if all fpu ops are correctly disassembled as they share the
+# same opcode space with FPX instructions.
+ fcvt32 r0,r2,r4
+ fcvt32_64 r0,r2,r4
+ fcvt64 r0,r2,r4
+ fcvt64_32 r0,r2,r4
+ fdadd r0,r2,r4
+ fdcmp r0,r2
+ fdcmpf r0,r2
+ fddiv r0,r2,r4
+ fdmadd r0,r2,r4
+ fdmsub r0,r2,r4
+ fdmul r0,r2,r4
+ fdsqrt r0,r2
+ fdsub r0,r2,r4
+ fsadd r0,r2,r4
+ fscmp r0,r2
+ fscmpf r0,r2
+ fsdiv r0,r2,r4
+ fsmadd r0,r2,r4
+ fsmsub r0,r2,r4
+ fsmul r0,r2,r4
+ fssqrt r0,r2
+ fssub r0,r2,r4
#as:-mcpu=arcem -mdpfp
-#objdump: -dr
+#objdump: -dr -M dpfp
#source: tfpx.s
.*: +file format .*arc.*
#as:-mcpu=arcem -mfpuda
-#objdump: -dr
+#objdump: -dr -M fpuda
#source: tfpx.s
.*: +file format .*arc.*
+2016-07-20 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * dis-asm.h: Declare print_arc_disassembler_options.
+
2016-07-15 Thomas Preud'homme <thomas.preudhomme@arm.com>
* bfdlink.h (struct bfd_link_info): Declare new ldscript_def and
extern void print_mips_disassembler_options (FILE *);
extern void print_ppc_disassembler_options (FILE *);
extern void print_arm_disassembler_options (FILE *);
+extern void print_arc_disassembler_options (FILE *);
extern void parse_arm_disassembler_option (char *);
extern void print_s390_disassembler_options (FILE *);
extern int get_arm_regname_num_options (void);
+2016-07-20 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * arc-dis.c (skipclass): New structure.
+ (decodelist): New variable.
+ (is_compatible_p): New function.
+ (new_element): Likewise.
+ (skip_class_p): Likewise.
+ (find_format_from_table): Use skip_class_p function.
+ (find_format): Decode first the extension instructions.
+ (print_insn_arc): Select either ARCEM or ARCHS based on elf
+ e_flags.
+ (parse_option): New function.
+ (parse_disassembler_options): Likewise.
+ (print_arc_disassembler_options): Likewise.
+ (print_insn_arc): Use parse_disassembler_options function. Proper
+ select ARCv2 cpu variant.
+ * disassemble.c (disassembler_usage): Add ARC disassembler
+ options.
+
2016-07-13 Maciej W. Rozycki <macro@imgtec.com>
* mips-opc.c (mips_builtin_opcodes): Remove the INSN2_ALIAS
#include <assert.h>
#include "dis-asm.h"
#include "opcode/arc.h"
+#include "elf/arc.h"
#include "arc-dis.h"
#include "arc-ext.h"
+#include "elf-bfd.h"
+#include "libiberty.h"
+#include "opintl.h"
/* Structure used to iterate over, and extract the values for, operands of
an opcode. */
"r56", "r57", "ACCL", "ACCH", "lp_count", "rezerved", "LIMM", "pcl"
};
+/* This structure keeps track which instruction class(es)
+ should be ignored durring disassembling. */
+
+typedef struct skipclass
+{
+ insn_class_t insn_class;
+ insn_subclass_t subclass;
+ struct skipclass *nxt;
+} skipclass_t, *linkclass;
+
+/* Intial classes of instructions to be consider first when
+ disassembling. */
+static linkclass decodelist = NULL;
+
/* Macros section. */
#ifdef DEBUG
/* Functions implementation. */
+/* Return TRUE when two classes are not opcode conflicting. */
+
+static bfd_boolean
+is_compatible_p (insn_class_t classA,
+ insn_subclass_t sclassA,
+ insn_class_t classB,
+ insn_subclass_t sclassB)
+{
+ if (classA == DSP && sclassB == DPX)
+ return FALSE;
+ if (sclassA == DPX && classB == DSP)
+ return FALSE;
+ return TRUE;
+}
+
+/* Add a new element to the decode list. */
+
+static void
+add_to_decodelist (insn_class_t insn_class,
+ insn_subclass_t subclass)
+{
+ linkclass t = (linkclass) xmalloc (sizeof (skipclass_t));
+
+ t->insn_class = insn_class;
+ t->subclass = subclass;
+ t->nxt = decodelist;
+ decodelist = t;
+}
+
+/* Return TRUE if we need to skip the opcode from being
+ disassembled. */
+
+static bfd_boolean
+skip_this_opcode (const struct arc_opcode * opcode,
+ struct disassemble_info * info)
+{
+ linkclass t = decodelist;
+ bfd_boolean addme = TRUE;
+
+ /* Check opcode for major 0x06, return if it is not in. */
+ if (OPCODE (opcode->opcode) != 0x06)
+ return FALSE;
+
+ while (t != NULL
+ && is_compatible_p (t->insn_class, t->subclass,
+ opcode->insn_class, opcode->subclass))
+ {
+ if ((t->insn_class == opcode->insn_class)
+ && (t->subclass == opcode->subclass))
+ addme = FALSE;
+ t = t->nxt;
+ }
+
+ /* If we found an incompatibility then we must skip. */
+ if (t != NULL)
+ return TRUE;
+
+ /* Even if we do not precisely know the if the right mnemonics
+ is correctly displayed, keep the disassmbled code class
+ consistent. */
+ if (addme)
+ {
+ switch (opcode->insn_class)
+ {
+ case DSP:
+ case FLOAT:
+ /* Add to the conflict list only the classes which
+ counts. */
+ add_to_decodelist (opcode->insn_class, opcode->subclass);
+ /* Warn if we have to decode an opcode and no preferred
+ classes have been chosen. */
+ info->fprintf_func (info->stream, _("\n\
+Warning: disassembly may be wrong due to guessed opcode class choice.\n\
+ Use -M<class[,class]> to select the correct opcode class(es).\n\t\t\t\t"));
+ break;
+ default:
+ break;
+ }
+ }
+ return FALSE;
+}
+
static bfd_vma
bfd_getm32 (unsigned int data)
{
return value;
}
-static int
+static bfd_boolean
special_flag_p (const char *opname,
const char *flgname)
{
break; /* End of the array. */
if (strcmp (flgname, arc_flag_operands[flgidx].name) == 0)
- return 1;
+ return TRUE;
}
}
- return 0;
+ return FALSE;
}
/* Find opcode from ARC_TABLE given the instruction described by INSN and
INSNLEN. The ISA_MASK restricts the possible matches in ARC_TABLE. */
static const struct arc_opcode *
-find_format_from_table (const struct arc_opcode *arc_table,
- unsigned *insn, unsigned int insn_len,
- unsigned isa_mask, bfd_boolean *has_limm)
+find_format_from_table (struct disassemble_info *info,
+ const struct arc_opcode *arc_table,
+ unsigned *insn,
+ unsigned int insn_len,
+ unsigned isa_mask,
+ bfd_boolean *has_limm,
+ bfd_boolean overlaps)
{
unsigned int i = 0;
const struct arc_opcode *opcode = NULL;
const unsigned char *opidx;
const unsigned char *flgidx;
- do {
- bfd_boolean invalid = FALSE;
+ do
+ {
+ bfd_boolean invalid = FALSE;
- opcode = &arc_table[i++];
+ opcode = &arc_table[i++];
- if (ARC_SHORT (opcode->mask) && (insn_len == 2))
- {
- if (OPCODE_AC (opcode->opcode) != OPCODE_AC (insn[0]))
- continue;
- }
- else if (!ARC_SHORT (opcode->mask) && (insn_len == 4))
- {
- if (OPCODE (opcode->opcode) != OPCODE (insn[0]))
- continue;
- }
- else
- continue;
+ if (ARC_SHORT (opcode->mask) && (insn_len == 2))
+ {
+ if (OPCODE_AC (opcode->opcode) != OPCODE_AC (insn[0]))
+ continue;
+ }
+ else if (!ARC_SHORT (opcode->mask) && (insn_len == 4))
+ {
+ if (OPCODE (opcode->opcode) != OPCODE (insn[0]))
+ continue;
+ }
+ else
+ continue;
- if ((insn[0] ^ opcode->opcode) & opcode->mask)
- continue;
+ if ((insn[0] ^ opcode->opcode) & opcode->mask)
+ continue;
- if (!(opcode->cpu & isa_mask))
- continue;
+ if (!(opcode->cpu & isa_mask))
+ continue;
- *has_limm = FALSE;
+ *has_limm = FALSE;
- /* Possible candidate, check the operands. */
- for (opidx = opcode->operands; *opidx; opidx++)
- {
- int value;
- const struct arc_operand *operand = &arc_operands[*opidx];
+ /* Possible candidate, check the operands. */
+ for (opidx = opcode->operands; *opidx; opidx++)
+ {
+ int value;
+ const struct arc_operand *operand = &arc_operands[*opidx];
- if (operand->flags & ARC_OPERAND_FAKE)
- continue;
+ if (operand->flags & ARC_OPERAND_FAKE)
+ continue;
- if (operand->extract)
- value = (*operand->extract) (insn[0], &invalid);
- else
- value = (insn[0] >> operand->shift) & ((1 << operand->bits) - 1);
-
- /* Check for LIMM indicator. If it is there, then make sure
- we pick the right format. */
- if (operand->flags & ARC_OPERAND_IR
- && !(operand->flags & ARC_OPERAND_LIMM))
- {
- if ((value == 0x3E && insn_len == 4)
- || (value == 0x1E && insn_len == 2))
- {
- invalid = TRUE;
- break;
- }
- }
-
- if (operand->flags & ARC_OPERAND_LIMM
- && !(operand->flags & ARC_OPERAND_DUPLICATE))
- *has_limm = TRUE;
- }
-
- /* Check the flags. */
- for (flgidx = opcode->flags; *flgidx; flgidx++)
- {
- /* Get a valid flag class. */
- const struct arc_flag_class *cl_flags = &arc_flag_classes[*flgidx];
- const unsigned *flgopridx;
- int foundA = 0, foundB = 0;
- unsigned int value;
-
- /* Check first the extensions. */
- if (cl_flags->flag_class & F_CLASS_EXTEND)
- {
- value = (insn[0] & 0x1F);
- if (arcExtMap_condCodeName (value))
- continue;
- }
- for (flgopridx = cl_flags->flags; *flgopridx; ++flgopridx)
- {
- const struct arc_flag_operand *flg_operand =
- &arc_flag_operands[*flgopridx];
-
- value = (insn[0] >> flg_operand->shift)
- & ((1 << flg_operand->bits) - 1);
- if (value == flg_operand->code)
- foundA = 1;
- if (value)
- foundB = 1;
- }
- if (!foundA && foundB)
- {
- invalid = TRUE;
- break;
- }
- }
-
- if (invalid)
- continue;
-
- /* The instruction is valid. */
- return opcode;
- } while (opcode->mask);
+ if (operand->extract)
+ value = (*operand->extract) (insn[0], &invalid);
+ else
+ value = (insn[0] >> operand->shift) & ((1 << operand->bits) - 1);
+
+ /* Check for LIMM indicator. If it is there, then make sure
+ we pick the right format. */
+ if (operand->flags & ARC_OPERAND_IR
+ && !(operand->flags & ARC_OPERAND_LIMM))
+ {
+ if ((value == 0x3E && insn_len == 4)
+ || (value == 0x1E && insn_len == 2))
+ {
+ invalid = TRUE;
+ break;
+ }
+ }
+
+ if (operand->flags & ARC_OPERAND_LIMM
+ && !(operand->flags & ARC_OPERAND_DUPLICATE))
+ *has_limm = TRUE;
+ }
+
+ /* Check the flags. */
+ for (flgidx = opcode->flags; *flgidx; flgidx++)
+ {
+ /* Get a valid flag class. */
+ const struct arc_flag_class *cl_flags = &arc_flag_classes[*flgidx];
+ const unsigned *flgopridx;
+ int foundA = 0, foundB = 0;
+ unsigned int value;
+
+ /* Check first the extensions. */
+ if (cl_flags->flag_class & F_CLASS_EXTEND)
+ {
+ value = (insn[0] & 0x1F);
+ if (arcExtMap_condCodeName (value))
+ continue;
+ }
+
+ for (flgopridx = cl_flags->flags; *flgopridx; ++flgopridx)
+ {
+ const struct arc_flag_operand *flg_operand =
+ &arc_flag_operands[*flgopridx];
+
+ value = (insn[0] >> flg_operand->shift)
+ & ((1 << flg_operand->bits) - 1);
+ if (value == flg_operand->code)
+ foundA = 1;
+ if (value)
+ foundB = 1;
+ }
+
+ if (!foundA && foundB)
+ {
+ invalid = TRUE;
+ break;
+ }
+ }
+
+ if (invalid)
+ continue;
+
+ if (insn_len == 4
+ && overlaps
+ && skip_this_opcode (opcode, info))
+ continue;
+
+ /* The instruction is valid. */
+ return opcode;
+ }
+ while (opcode->mask);
return NULL;
}
the opcode's operands. */
static bfd_boolean
-find_format (bfd_vma memaddr, unsigned *insn, unsigned int *insn_len,
- unsigned isa_mask, struct disassemble_info *info,
- const struct arc_opcode **opcode_result,
- struct arc_operand_iterator *iter)
+find_format (bfd_vma memaddr,
+ unsigned * insn,
+ unsigned int * insn_len,
+ unsigned isa_mask,
+ struct disassemble_info * info,
+ const struct arc_opcode ** opcode_result,
+ struct arc_operand_iterator * iter)
{
- const struct arc_opcode *opcode;
+ const struct arc_opcode *opcode = NULL;
bfd_boolean needs_limm;
+ const extInstruction_t *einsn;
- /* Find the first match in the opcode table. */
- opcode = find_format_from_table (arc_opcodes, insn, *insn_len,
- isa_mask, &needs_limm);
-
- if (opcode == NULL)
+ /* First, try the extension instructions. */
+ einsn = arcExtMap_insn (OPCODE (insn[0]), insn[0]);
+ if (einsn != NULL)
{
- const extInstruction_t *einsn;
+ const char *errmsg = NULL;
- /* No instruction found. Try the extensions. */
- einsn = arcExtMap_insn (OPCODE (insn[0]), insn[0]);
- if (einsn != NULL)
+ opcode = arcExtMap_genOpcode (einsn, isa_mask, &errmsg);
+ if (opcode == NULL)
{
- const char *errmsg = NULL;
- opcode = arcExtMap_genOpcode (einsn, isa_mask, &errmsg);
- if (opcode == NULL)
- {
- (*info->fprintf_func) (info->stream,
- "An error occured while "
- "generating the extension instruction "
- "operations");
- *opcode_result = NULL;
- return FALSE;
- }
-
- opcode = find_format_from_table (opcode, insn, *insn_len,
- isa_mask, &needs_limm);
- assert (opcode != NULL);
+ (*info->fprintf_func) (info->stream, "\
+An error occured while generating the extension instruction operations");
+ *opcode_result = NULL;
+ return FALSE;
}
+
+ opcode = find_format_from_table (info, opcode, insn, *insn_len,
+ isa_mask, &needs_limm, FALSE);
}
+ /* Then, try finding the first match in the opcode table. */
+ if (opcode == NULL)
+ opcode = find_format_from_table (info, arc_opcodes, insn, *insn_len,
+ isa_mask, &needs_limm, TRUE);
+
if (needs_limm && opcode != NULL)
{
bfd_byte buffer[4];
return TRUE;
}
+/* Helper for parsing the options. */
+
+static void
+parse_option (char *option)
+{
+ if (CONST_STRNEQ (option, "dsp"))
+ add_to_decodelist (DSP, NONE);
+
+ else if (CONST_STRNEQ (option, "spfp"))
+ add_to_decodelist (FLOAT, SPX);
+
+ else if (CONST_STRNEQ (option, "dpfp"))
+ add_to_decodelist (FLOAT, DPX);
+
+ else if (CONST_STRNEQ (option, "quarkse_em"))
+ add_to_decodelist (FLOAT, QUARKSE);
+
+ else if (CONST_STRNEQ (option, "fpuda"))
+ add_to_decodelist (FLOAT, DPA);
+
+ else if (CONST_STRNEQ (option, "fpud"))
+ {
+ add_to_decodelist (FLOAT, SP);
+ add_to_decodelist (FLOAT, CVT);
+ }
+
+ else if (CONST_STRNEQ (option, "fpus"))
+ {
+ add_to_decodelist (FLOAT, DP);
+ add_to_decodelist (FLOAT, CVT);
+ }
+ else
+ fprintf (stderr, _("Unrecognised disassembler option: %s\n"), option);
+}
+
+/* Go over the options list and parse it. */
+
+static void
+parse_disassembler_options (char *options)
+{
+ if (options == NULL)
+ return;
+
+ while (*options)
+ {
+ /* Skip empty options. */
+ if (*options == ',')
+ {
+ ++ options;
+ continue;
+ }
+
+ parse_option (options);
+
+ while (*options != ',' && *options != '\0')
+ ++ options;
+ }
+}
+
/* Disassemble ARC instructions. */
static int
const struct arc_operand *operand;
int value;
struct arc_operand_iterator iter;
+ Elf_Internal_Ehdr *header = NULL;
+
+ if (info->disassembler_options)
+ {
+ parse_disassembler_options (info->disassembler_options);
+
+ /* Avoid repeated parsing of the options. */
+ info->disassembler_options = NULL;
+ }
memset (&iter, 0, sizeof (iter));
lowbyte = ((info->endian == BFD_ENDIAN_LITTLE) ? 1 : 0);
highbyte = ((info->endian == BFD_ENDIAN_LITTLE) ? 0 : 1);
+ if (info->section && info->section->owner)
+ header = elf_elfheader (info->section->owner);
+
switch (info->mach)
{
case bfd_mach_arc_arc700:
case bfd_mach_arc_arcv2:
default:
- isa_mask = ARC_OPCODE_ARCv2HS | ARC_OPCODE_ARCv2EM;
+ isa_mask = ARC_OPCODE_ARCv2EM;
+ if ((header->e_flags & EF_ARC_MACH_MSK) == EF_ARC_CPU_ARCV2HS)
+ {
+ isa_mask = ARC_OPCODE_ARCv2HS;
+ /* FPU instructions are not extensions for HS. */
+ add_to_decodelist (FLOAT, SP);
+ add_to_decodelist (FLOAT, DP);
+ add_to_decodelist (FLOAT, CVT);
+ }
break;
}
insn_len = arc_insn_length (buffer[lowbyte], buffer[highbyte], info);
pr_debug ("instruction length = %d bytes\n", insn_len);
+
switch (insn_len)
{
case 2:
return ret;
}
+void
+print_arc_disassembler_options (FILE *stream)
+{
+ fprintf (stream, _("\n\
+The following ARC specific disassembler options are supported for use \n\
+with -M switch (multiple options should be separated by commas):\n"));
+
+ fprintf (stream, _("\
+ dsp Recognize DSP instructions.\n"));
+ fprintf (stream, _("\
+ spfp Recognize FPX SP instructions.\n"));
+ fprintf (stream, _("\
+ dpfp Recognize FPX DP instructions.\n"));
+ fprintf (stream, _("\
+ quarkse_em Recognize FPU QuarkSE-EM instructions.\n"));
+ fprintf (stream, _("\
+ fpuda Recognize double assist FPU instructions.\n"));
+ fprintf (stream, _("\
+ fpus Recognize single precision FPU instructions.\n"));
+ fprintf (stream, _("\
+ fpud Recognize double precision FPU instructions.\n"));
+}
+
+
/* Local variables:
eval: (c-set-style "gnu")
indent-tabs-mode: t
#ifdef ARCH_aarch64
print_aarch64_disassembler_options (stream);
#endif
+#ifdef ARCH_arc
+ print_arc_disassembler_options (stream);
+#endif
#ifdef ARCH_arm
print_arm_disassembler_options (stream);
#endif
projects / binutils-gdb.git / commitdiff