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gdbserver: add aarch64_create_target_description
gdbserver/ * configure.srv: Add new files. * linux-aarch64-ipa.c (get_ipa_tdesc): Call aarch64_linux_read_description. * linux-aarch64-low.c (aarch64_linux_read_description): Merge with aarch64_arch_setup. (aarch64_arch_setup): Call aarch64_linux_read_description. * linux-aarch64-tdesc.c: New file. * linux-aarch64-tdesc.h: New file.
This commit is contained in:
Alan Hayward
parent
da434ccbc3
commit
d6d7ce5623
@ -1,3 +1,14 @@
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2017-11-24 Alan Hayward <alan.hayward@arm.com>
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* configure.srv: Add new files.
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* linux-aarch64-ipa.c (get_ipa_tdesc): Call
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aarch64_linux_read_description.
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* linux-aarch64-low.c (aarch64_linux_read_description):
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Merge with aarch64_arch_setup.
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(aarch64_arch_setup): Call aarch64_linux_read_description.
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* linux-aarch64-tdesc.c: New file.
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* linux-aarch64-tdesc.h: New file.
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2017-11-24 Yao Qi <yao.qi@linaro.org>
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* configure.srv: Set $srv_regobj for tic6x-linux.
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@ -50,13 +50,17 @@ srv_linux_obj="linux-low.o linux-osdata.o linux-procfs.o linux-ptrace.o linux-wa
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case "${target}" in
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aarch64*-*-linux*)
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srv_regobj="aarch64.o"
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srv_regobj="${srv_regobj} arm-with-neon.o"
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srv_regobj="arm-with-neon.o"
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if $development; then
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srv_regobj="${srv_regobj} aarch64.o"
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fi
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srv_tgtobj="linux-aarch64-low.o aarch64-linux-hw-point.o"
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srv_tgtobj="$srv_tgtobj linux-aarch32-low.o"
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srv_tgtobj="${srv_tgtobj} arch/arm.o"
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srv_tgtobj="$srv_tgtobj aarch64-linux.o"
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srv_tgtobj="$srv_tgtobj arch/aarch64-insn.o"
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srv_tgtobj="$srv_tgtobj arch/aarch64.o"
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srv_tgtobj="$srv_tgtobj linux-aarch64-tdesc.o"
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srv_tgtobj="${srv_tgtobj} $srv_linux_obj"
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srv_xmlfiles="aarch64.xml"
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srv_xmlfiles="${srv_xmlfiles} aarch64-core.xml"
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@ -65,7 +69,9 @@ case "${target}" in
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srv_xmlfiles="${srv_xmlfiles} arm/arm-with-neon.xml"
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srv_linux_regsets=yes
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srv_linux_thread_db=yes
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ipa_obj="linux-aarch64-ipa.o aarch64-ipa.o"
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ipa_obj="linux-aarch64-ipa.o"
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ipa_obj="${ipa_obj} linux-aarch64-tdesc-ipa.o"
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ipa_obj="${ipa_obj} arch/aarch64-ipa.o"
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;;
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arm*-*-linux*) srv_regobj="reg-arm.o arm-with-iwmmxt.o"
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srv_regobj="${srv_regobj} arm-with-vfpv2.o"
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@ -25,10 +25,10 @@
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#ifdef HAVE_GETAUXVAL
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#include <sys/auxv.h>
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#endif
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#include "linux-aarch64-tdesc.h"
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/* Defined in auto-generated file aarch64.c. */
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void init_registers_aarch64 (void);
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extern const struct target_desc *tdesc_aarch64;
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/* Each register saved by the jump pad is in a 16 byte cell. */
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#define FT_CR_SIZE 16
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@ -155,7 +155,7 @@ get_raw_reg (const unsigned char *raw_regs, int regnum)
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const struct target_desc *
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get_ipa_tdesc (int idx)
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{
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return tdesc_aarch64;
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return aarch64_linux_read_description ();
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}
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/* Allocate buffer for the jump pads. The branch instruction has a reach
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@ -39,10 +39,10 @@
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#include "gdb_proc_service.h"
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#include "arch/aarch64.h"
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#include "linux-aarch64-tdesc.h"
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/* Defined in auto-generated files. */
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void init_registers_aarch64 (void);
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extern const struct target_desc *tdesc_aarch64;
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#ifdef HAVE_SYS_REG_H
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#include <sys/reg.h>
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@ -467,11 +467,10 @@ aarch64_linux_new_fork (struct process_info *parent,
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*child->priv->arch_private = *parent->priv->arch_private;
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}
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/* Return the right target description according to the ELF file of
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current thread. */
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/* Implementation of linux_target_ops method "arch_setup". */
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static const struct target_desc *
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aarch64_linux_read_description (void)
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static void
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aarch64_arch_setup (void)
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{
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unsigned int machine;
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int is_elf64;
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@ -482,17 +481,9 @@ aarch64_linux_read_description (void)
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is_elf64 = linux_pid_exe_is_elf_64_file (tid, &machine);
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if (is_elf64)
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return tdesc_aarch64;
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current_process ()->tdesc = aarch64_linux_read_description ();
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else
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return tdesc_arm_with_neon;
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}
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/* Implementation of linux_target_ops method "arch_setup". */
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static void
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aarch64_arch_setup (void)
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{
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current_process ()->tdesc = aarch64_linux_read_description ();
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current_process ()->tdesc = tdesc_arm_with_neon;
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aarch64_linux_get_debug_reg_capacity (lwpid_of (current_thread));
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}
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37
gdb/gdbserver/linux-aarch64-tdesc.c
Normal file
37
gdb/gdbserver/linux-aarch64-tdesc.c
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@ -0,0 +1,37 @@
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/* GNU/Linux/aarch64 specific target description, for the remote server
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for GDB.
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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 "server.h"
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#include "tdesc.h"
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#include "arch/aarch64.h"
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#include "linux-aarch32-low.h"
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/* Create the aarch64 target description. */
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const target_desc *
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aarch64_linux_read_description ()
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{
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static target_desc *aarch64_tdesc = NULL;
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target_desc **tdesc = &aarch64_tdesc;
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if (*tdesc == NULL)
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*tdesc = aarch64_create_target_description ();
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return *tdesc;
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}
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20
gdb/gdbserver/linux-aarch64-tdesc.h
Normal file
20
gdb/gdbserver/linux-aarch64-tdesc.h
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@ -0,0 +1,20 @@
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/* Low level support for aarch64, shared between gdbserver and IPA.
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Copyright (C) 2016-2017 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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const target_desc * aarch64_linux_read_description ();
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