Change tic6x target descriptions
This patch changes tic6x target descriptions to be more flexible. Rebuild tic6x-uclinux GDBserver with my x86 g++, and the unit test passes. gdb: 2017-11-24 Yao Qi <yao.qi@linaro.org> * arch/tic6x.c: New file. * arch/tic6x.h: New file. * features/Makefile (FEATURE_XMLFILES): Add tic6x-c6xp.xml, tic6x-core.xml and tic6x-gp.xml. * features/tic6x-c6xp.c: Generated. * features/tic6x-core.c: Generated. * features/tic6x-gp.c: Generated. * target-descriptions.c (maint_print_c_tdesc_cmd): Match "tic6x-". gdb/gdbserver: 2017-11-24 Yao Qi <yao.qi@linaro.org> * configure.srv: Set $srv_regobj for tic6x-linux. * linux-tic6x-low.c: Include "arch/tic6x.h" and "tdesc.h". (tic6x_read_description): Move some code to tic6x_arch_setup. (tic6x_tdesc_test): New function. (initialize_low_arch): Call selftests::register_test.
This commit is contained in:
Yao Qi
parent
6d2cd6b208
commit
506fe5f499
11 changed files with 286 additions and 44 deletions
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@ -1,3 +1,15 @@
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2017-11-24 Yao Qi <yao.qi@linaro.org>
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* arch/tic6x.c: New file.
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* arch/tic6x.h: New file.
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* features/Makefile (FEATURE_XMLFILES): Add tic6x-c6xp.xml,
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tic6x-core.xml and tic6x-gp.xml.
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* features/tic6x-c6xp.c: Generated.
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* features/tic6x-core.c: Generated.
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* features/tic6x-gp.c: Generated.
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* target-descriptions.c (maint_print_c_tdesc_cmd): Match
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"tic6x-".
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2017-11-23 Simon Marchi <simon.marchi@ericsson.com>
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2017-11-23 Simon Marchi <simon.marchi@ericsson.com>
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* mi/mi-main.c (list_available_thread_groups): Change map value
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* mi/mi-main.c (list_available_thread_groups): Change map value
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47
gdb/arch/tic6x.c
Normal file
47
gdb/arch/tic6x.c
Normal file
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@ -0,0 +1,47 @@
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/* Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "tdesc.h"
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#include "tic6x.h"
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#include "common/common-defs.h"
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#include "../features/tic6x-core.c"
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#include "../features/tic6x-gp.c"
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#include "../features/tic6x-c6xp.c"
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/* Create tic6x target descriptions according to FEATURE. */
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target_desc *
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tic6x_create_target_description (enum c6x_feature feature)
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{
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target_desc *tdesc = allocate_target_description ();
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set_tdesc_architecture (tdesc, "tic6x");
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set_tdesc_osabi (tdesc, "GNU/Linux");
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long regnum = 0;
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regnum = create_feature_tic6x_core (tdesc, regnum);
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if (feature == C6X_GP || feature == C6X_C6XP)
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regnum = create_feature_tic6x_gp (tdesc, regnum);
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if (feature == C6X_C6XP)
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regnum = create_feature_tic6x_c6xp (tdesc, regnum);
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return tdesc;
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}
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26
gdb/arch/tic6x.h
Normal file
26
gdb/arch/tic6x.h
Normal file
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@ -0,0 +1,26 @@
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/* Copyright (C) 2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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enum c6x_feature
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{
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C6X_CORE,
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C6X_GP,
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C6X_C6XP,
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C6X_LAST,
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};
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target_desc *tic6x_create_target_description (enum c6x_feature feature);
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@ -221,7 +221,10 @@ FEATURE_XMLFILES = i386/32bit-core.xml \
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i386/64bit-linux.xml \
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i386/64bit-linux.xml \
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i386/64bit-pkeys.xml \
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i386/64bit-pkeys.xml \
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i386/64bit-sse.xml \
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i386/64bit-sse.xml \
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i386/x32-core.xml
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i386/x32-core.xml \
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tic6x-c6xp.xml \
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tic6x-core.xml \
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tic6x-gp.xml
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FEATURE_CFILES = $(patsubst %.xml,%.c,$(FEATURE_XMLFILES))
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FEATURE_CFILES = $(patsubst %.xml,%.c,$(FEATURE_XMLFILES))
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16
gdb/features/tic6x-c6xp.c
Normal file
16
gdb/features/tic6x-c6xp.c
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@ -0,0 +1,16 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: tic6x-c6xp.xml */
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#include "arch/tdesc.h"
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static int
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create_feature_tic6x_c6xp (struct target_desc *result, long regnum)
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{
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struct tdesc_feature *feature;
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feature = tdesc_create_feature (result, "org.gnu.gdb.tic6x.c6xp", "tic6x-c6xp.xml");
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tdesc_create_reg (feature, "TSR", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "ILC", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "RILC", regnum++, 1, NULL, 32, "uint32");
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return regnum;
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}
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47
gdb/features/tic6x-core.c
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47
gdb/features/tic6x-core.c
Normal file
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@ -0,0 +1,47 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: tic6x-core.xml */
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#include "arch/tdesc.h"
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static int
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create_feature_tic6x_core (struct target_desc *result, long regnum)
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{
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struct tdesc_feature *feature;
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feature = tdesc_create_feature (result, "org.gnu.gdb.tic6x.core", "tic6x-core.xml");
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tdesc_create_reg (feature, "A0", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A1", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A2", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A3", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A4", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A5", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A6", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A7", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A8", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A9", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A10", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A11", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A12", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A13", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A14", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A15", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B0", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B1", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B2", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B3", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B4", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B5", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B6", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B7", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B8", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B9", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B10", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B11", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B12", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B13", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B14", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B15", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "CSR", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "PC", regnum++, 1, NULL, 32, "code_ptr");
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return regnum;
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}
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45
gdb/features/tic6x-gp.c
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45
gdb/features/tic6x-gp.c
Normal file
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@ -0,0 +1,45 @@
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/* THIS FILE IS GENERATED. -*- buffer-read-only: t -*- vi:set ro:
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Original: tic6x-gp.xml */
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#include "arch/tdesc.h"
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static int
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create_feature_tic6x_gp (struct target_desc *result, long regnum)
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{
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struct tdesc_feature *feature;
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feature = tdesc_create_feature (result, "org.gnu.gdb.tic6x.gp", "tic6x-gp.xml");
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tdesc_create_reg (feature, "A16", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A17", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A18", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A19", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A20", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A21", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A22", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A23", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A24", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A25", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A26", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A27", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A28", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A29", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A30", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "A31", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B16", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B17", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B18", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B19", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B20", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B21", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B22", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B23", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B24", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B25", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B26", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B27", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B28", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B29", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B30", regnum++, 1, NULL, 32, "uint32");
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tdesc_create_reg (feature, "B31", regnum++, 1, NULL, 32, "uint32");
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return regnum;
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}
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2017-11-24 Yao Qi <yao.qi@linaro.org>
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* configure.srv: Set $srv_regobj for tic6x-linux.
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* linux-tic6x-low.c: Include "arch/tic6x.h" and "tdesc.h".
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(tic6x_read_description): Move some code to tic6x_arch_setup.
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(tic6x_tdesc_test): New function.
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(initialize_low_arch): Call selftests::register_test.
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2017-11-22 Yao Qi <yao.qi@linaro.org>
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2017-11-22 Yao Qi <yao.qi@linaro.org>
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* remote-utils.c (prepare_resume_reply): Use memcpy.
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* remote-utils.c (prepare_resume_reply): Use memcpy.
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@ -356,16 +356,18 @@ case "${target}" in
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spu*-*-*) srv_regobj=reg-spu.o
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spu*-*-*) srv_regobj=reg-spu.o
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srv_tgtobj="spu-low.o fork-child.o fork-inferior.o"
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srv_tgtobj="spu-low.o fork-child.o fork-inferior.o"
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;;
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;;
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tic6x-*-uclinux) srv_regobj="tic6x-c64xp-linux.o"
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tic6x-*-uclinux) if $development; then
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srv_regobj="${srv_regobj} tic6x-c64x-linux.o"
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srv_regobj="tic6x-c64xp-linux.o"
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srv_regobj="${srv_regobj} tic6x-c62x-linux.o"
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srv_regobj="${srv_regobj} tic6x-c64x-linux.o"
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srv_xmlfiles="tic6x-c64xp-linux.xml"
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srv_regobj="${srv_regobj} tic6x-c62x-linux.o"
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srv_xmlfiles="${srv_xmlfiles} tic6x-c64x-linux.xml"
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else
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srv_xmlfiles="${srv_xmlfiles} tic6x-c62x-linux.xml"
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srv_regobj=""
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fi
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srv_xmlfiles="${srv_xmlfiles} tic6x-core.xml"
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srv_xmlfiles="${srv_xmlfiles} tic6x-core.xml"
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srv_xmlfiles="${srv_xmlfiles} tic6x-gp.xml"
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srv_xmlfiles="${srv_xmlfiles} tic6x-gp.xml"
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srv_xmlfiles="${srv_xmlfiles} tic6x-c6xp.xml"
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srv_xmlfiles="${srv_xmlfiles} tic6x-c6xp.xml"
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srv_tgtobj="$srv_linux_obj linux-tic6x-low.o"
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srv_tgtobj="$srv_linux_obj linux-tic6x-low.o"
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srv_tgtobj="${srv_tgtobj} arch/tic6x.o"
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srv_linux_regsets=yes
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srv_linux_regsets=yes
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srv_linux_usrregs=yes
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srv_linux_usrregs=yes
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srv_linux_thread_db=yes
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srv_linux_thread_db=yes
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@ -21,6 +21,8 @@
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#include "server.h"
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#include "server.h"
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#include "linux-low.h"
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#include "linux-low.h"
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#include "arch/tic6x.h"
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#include "tdesc.h"
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#include "nat/gdb_ptrace.h"
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#include "nat/gdb_ptrace.h"
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#include <endian.h>
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#include <endian.h>
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@ -189,45 +191,21 @@ static struct usrregs_info tic6x_usrregs_info =
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};
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};
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static const struct target_desc *
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static const struct target_desc *
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tic6x_read_description (void)
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tic6x_read_description (enum c6x_feature feature)
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||||||
{
|
{
|
||||||
register unsigned int csr asm ("B2");
|
static target_desc *tdescs[C6X_LAST] = { };
|
||||||
unsigned int cpuid;
|
struct target_desc **tdesc = &tdescs[feature];
|
||||||
const struct target_desc *tdesc;
|
|
||||||
|
|
||||||
/* Determine the CPU we're running on to find the register order. */
|
if (*tdesc == NULL)
|
||||||
__asm__ ("MVC .S2 CSR,%0" : "=r" (csr) :);
|
|
||||||
cpuid = csr >> 24;
|
|
||||||
switch (cpuid)
|
|
||||||
{
|
{
|
||||||
case 0x00: /* C62x */
|
*tdesc = tic6x_create_target_description (feature);
|
||||||
case 0x02: /* C67x */
|
init_target_desc (*tdesc);
|
||||||
tic6x_regmap = tic6x_regmap_c62x;
|
|
||||||
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
static const char *expedite_regs[] = { "A15", "PC", NULL };
|
||||||
tdesc = tdesc_tic6x_c62x_linux;
|
(*tdesc)->expedite_regs = expedite_regs;
|
||||||
break;
|
|
||||||
case 0x03: /* C67x+ */
|
|
||||||
tic6x_regmap = tic6x_regmap_c64x;
|
|
||||||
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
|
||||||
tdesc = tdesc_tic6x_c64x_linux;
|
|
||||||
break;
|
|
||||||
case 0x0c: /* C64x */
|
|
||||||
tic6x_regmap = tic6x_regmap_c64x;
|
|
||||||
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
|
||||||
tdesc = tdesc_tic6x_c64x_linux;
|
|
||||||
break;
|
|
||||||
case 0x10: /* C64x+ */
|
|
||||||
case 0x14: /* C674x */
|
|
||||||
case 0x15: /* C66x */
|
|
||||||
tic6x_regmap = tic6x_regmap_c64xp;
|
|
||||||
tic6x_breakpoint = 0x56454314; /* illegal opcode */
|
|
||||||
tdesc = tdesc_tic6x_c64xp_linux;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
error ("Unknown CPU ID 0x%02x", cpuid);
|
|
||||||
}
|
}
|
||||||
tic6x_usrregs_info.regmap = tic6x_regmap;
|
|
||||||
return tdesc;
|
return *tdesc;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int
|
static int
|
||||||
|
|
@ -341,7 +319,44 @@ static struct regset_info tic6x_regsets[] = {
|
||||||
static void
|
static void
|
||||||
tic6x_arch_setup (void)
|
tic6x_arch_setup (void)
|
||||||
{
|
{
|
||||||
current_process ()->tdesc = tic6x_read_description ();
|
register unsigned int csr asm ("B2");
|
||||||
|
unsigned int cpuid;
|
||||||
|
enum c6x_feature feature = C6X_CORE;
|
||||||
|
|
||||||
|
/* Determine the CPU we're running on to find the register order. */
|
||||||
|
__asm__ ("MVC .S2 CSR,%0" : "=r" (csr) :);
|
||||||
|
cpuid = csr >> 24;
|
||||||
|
switch (cpuid)
|
||||||
|
{
|
||||||
|
case 0x00: /* C62x */
|
||||||
|
case 0x02: /* C67x */
|
||||||
|
tic6x_regmap = tic6x_regmap_c62x;
|
||||||
|
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
||||||
|
feature = C6X_CORE;
|
||||||
|
break;
|
||||||
|
case 0x03: /* C67x+ */
|
||||||
|
tic6x_regmap = tic6x_regmap_c64x;
|
||||||
|
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
||||||
|
feature = C6X_GP;
|
||||||
|
break;
|
||||||
|
case 0x0c: /* C64x */
|
||||||
|
tic6x_regmap = tic6x_regmap_c64x;
|
||||||
|
tic6x_breakpoint = 0x0000a122; /* BNOP .S2 0,5 */
|
||||||
|
feature = C6X_GP;
|
||||||
|
break;
|
||||||
|
case 0x10: /* C64x+ */
|
||||||
|
case 0x14: /* C674x */
|
||||||
|
case 0x15: /* C66x */
|
||||||
|
tic6x_regmap = tic6x_regmap_c64xp;
|
||||||
|
tic6x_breakpoint = 0x56454314; /* illegal opcode */
|
||||||
|
feature = C6X_C6XP;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
error ("Unknown CPU ID 0x%02x", cpuid);
|
||||||
|
}
|
||||||
|
tic6x_usrregs_info.regmap = tic6x_regmap;
|
||||||
|
|
||||||
|
current_process ()->tdesc = tic6x_read_description (feature);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Support for hardware single step. */
|
/* Support for hardware single step. */
|
||||||
|
|
@ -410,13 +425,33 @@ struct linux_target_ops the_low_target = {
|
||||||
tic6x_supports_hardware_single_step,
|
tic6x_supports_hardware_single_step,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#if GDB_SELF_TEST
|
||||||
|
#include "common/selftest.h"
|
||||||
|
|
||||||
|
namespace selftests {
|
||||||
|
namespace tdesc {
|
||||||
|
static void
|
||||||
|
tic6x_tdesc_test ()
|
||||||
|
{
|
||||||
|
SELF_CHECK (*tdesc_tic6x_c62x_linux == *tic6x_read_description (C6X_CORE));
|
||||||
|
SELF_CHECK (*tdesc_tic6x_c64x_linux == *tic6x_read_description (C6X_GP));
|
||||||
|
SELF_CHECK (*tdesc_tic6x_c64xp_linux == *tic6x_read_description (C6X_C6XP));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
void
|
void
|
||||||
initialize_low_arch (void)
|
initialize_low_arch (void)
|
||||||
{
|
{
|
||||||
|
#if GDB_SELF_TEST
|
||||||
/* Initialize the Linux target descriptions. */
|
/* Initialize the Linux target descriptions. */
|
||||||
init_registers_tic6x_c64xp_linux ();
|
init_registers_tic6x_c64xp_linux ();
|
||||||
init_registers_tic6x_c64x_linux ();
|
init_registers_tic6x_c64x_linux ();
|
||||||
init_registers_tic6x_c62x_linux ();
|
init_registers_tic6x_c62x_linux ();
|
||||||
|
|
||||||
|
selftests::register_test ("tic6x-tdesc", selftests::tdesc::tic6x_tdesc_test);
|
||||||
|
#endif
|
||||||
|
|
||||||
initialize_regsets_info (&tic6x_regsets_info);
|
initialize_regsets_info (&tic6x_regsets_info);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -2327,7 +2327,8 @@ maint_print_c_tdesc_cmd (const char *args, int from_tty)
|
||||||
counterparts. */
|
counterparts. */
|
||||||
if (startswith (filename_after_features.c_str (), "i386/32bit-")
|
if (startswith (filename_after_features.c_str (), "i386/32bit-")
|
||||||
|| startswith (filename_after_features.c_str (), "i386/64bit-")
|
|| startswith (filename_after_features.c_str (), "i386/64bit-")
|
||||||
|| startswith (filename_after_features.c_str (), "i386/x32-core.xml"))
|
|| startswith (filename_after_features.c_str (), "i386/x32-core.xml")
|
||||||
|
|| startswith (filename_after_features.c_str (), "tic6x-"))
|
||||||
{
|
{
|
||||||
print_c_feature v (filename_after_features);
|
print_c_feature v (filename_after_features);
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue