Add aarch64_create_target_description

gdb/
	* Makefile.in: Add new files.
	* aarch64-linux-nat.c (aarch64_linux_read_description): Call
	aarch64_read_description.
	* aarch64-linux-tdep.c (aarch64_linux_core_read_description):
	Call aarch64_read_description.
	* aarch64-tdep.c (aarch64_read_description): New function.
	(aarch64_gdbarch_init): Call aarch64_read_description.
	* aarch64-tdep.h (aarch64_read_description): New function.
	* arch/aarch64.c: New file.
	* configure.tgt: Add new files.
This commit is contained in:
Alan Hayward 2017-11-24 10:00:54 +00:00
parent 98ead37e97
commit da434ccbc3
9 changed files with 69 additions and 5 deletions

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@ -1,3 +1,17 @@
2017-11-24 Alan Hayward <alan.hayward@arm.com>
* Makefile.in: Add new files.
* aarch64-linux-nat.c (aarch64_linux_read_description): Call
aarch64_read_description.
* aarch64-linux-tdep.c (aarch64_linux_core_read_description):
Call aarch64_read_description.
* aarch64-tdep.c (aarch64_read_description): New function.
(aarch64_gdbarch_init): Call aarch64_read_description.
* aarch64-tdep.h (aarch64_read_description): New function.
* arch/aarch64.c: New file.
* configure.tgt: Add new files.
2017-11-24 Yao Qi <yao.qi@linaro.org>
* mi/mi-main.c (register_changed_p): Update.

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@ -783,6 +783,7 @@ ALL_64_TARGET_OBS = \
amd64-sol2-tdep.o \
amd64-tdep.o \
amd64-windows-tdep.o \
arch/aarch64.o \
arch/aarch64-insn.o \
arch/amd64.o \
ia64-linux-tdep.o \
@ -1515,6 +1516,7 @@ HFILES_NO_SRCDIR = \
xml-syscall.h \
xml-tdesc.h \
xtensa-tdep.h \
arch/aarch64.h \
arch/aarch64-insn.h \
arch/arm.h \
arch/i386.h \

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@ -501,7 +501,7 @@ aarch64_linux_read_description (struct target_ops *ops)
if (ret == 0)
return tdesc_arm_with_neon;
else
return tdesc_aarch64;
return aarch64_read_description ();
}
/* Convert a native/host siginfo object, into/from the siginfo in the

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@ -244,7 +244,7 @@ aarch64_linux_core_read_description (struct gdbarch *gdbarch,
if (target_auxv_search (target, AT_HWCAP, &aarch64_hwcap) != 1)
return NULL;
return tdesc_aarch64;
return aarch64_read_description ();
}
/* Implementation of `gdbarch_stap_is_single_operand', as defined in

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@ -2828,6 +2828,20 @@ aarch64_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
return 1;
}
/* Get the correct target description. */
const target_desc *
aarch64_read_description ()
{
static target_desc *aarch64_tdesc = NULL;
target_desc **tdesc = &aarch64_tdesc;
if (*tdesc == NULL)
*tdesc = aarch64_create_target_description ();
return *tdesc;
}
/* Initialize the current architecture based on INFO. If possible,
re-use an architecture from ARCHES, which is a list of
architectures already created during this debugging session.
@ -2851,7 +2865,7 @@ aarch64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Ensure we always have a target descriptor. */
if (!tdesc_has_registers (tdesc))
tdesc = tdesc_aarch64;
tdesc = aarch64_read_description ();
gdb_assert (tdesc);

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@ -75,7 +75,7 @@ struct gdbarch_tdep
int (*aarch64_syscall_record) (struct regcache *regcache, unsigned long svc_number);
};
extern struct target_desc *tdesc_aarch64;
const target_desc *aarch64_read_description ();
extern int aarch64_process_record (struct gdbarch *gdbarch,
struct regcache *regcache, CORE_ADDR addr);

30
gdb/arch/aarch64.c Normal file
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@ -0,0 +1,30 @@
/* Copyright (C) 2017 Free Software Foundation, Inc.
This file is part of GDB.
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, see <http://www.gnu.org/licenses/>. */
#include "aarch64.h"
extern struct target_desc *tdesc_aarch64;
/* Create the aarch64 target description. */
target_desc *
aarch64_create_target_description ()
{
return tdesc_aarch64;
}

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@ -20,6 +20,10 @@
#ifndef ARCH_AARCH64_H
#define ARCH_AARCH64_H
#include "tdesc.h"
target_desc *aarch64_create_target_description ();
/* Register numbers of various important registers. */
enum aarch64_regnum
{

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@ -114,7 +114,7 @@ aarch64*-*-freebsd*)
aarch64*-*-linux*)
# Target: AArch64 linux
gdb_target_obs="aarch64-linux-tdep.o \
gdb_target_obs="aarch64-linux-tdep.o arch/aarch64.o\
arch/arm.o arch/arm-linux.o arch/arm-get-next-pcs.o \
arm-tdep.o arm-linux-tdep.o \
glibc-tdep.o linux-tdep.o solib-svr4.o \