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Add new files: gdb/arch/csky.c gdb/arch/csky.h gdb/features/cskyv2-linux.c gdbserver/linux-csky-low.cc 1. In gdb/arch/csky.c file, add function "csky_create_target_description()" for csky_target::low_arch_setup(). later, it can be used for csky native gdb. 2. In gdb/features/cskyv2-linux.c file, create target_tdesc for csky, include gprs, pc, hi, lo, float, vector and float control registers. 3. In gdbserver/linux-csky-low.cc file, using PTRACE_GET/SET_RGESET to get/set registers. The main data structures in asm/ptrace.h are: struct pt_regs { unsigned long tls; unsigned long lr; unsigned long pc; unsigned long sr; unsigned long usp; /* * a0, a1, a2, a3: * r0, r1, r2, r3 */ unsigned long orig_a0; unsigned long a0; unsigned long a1; unsigned long a2; unsigned long a3; /* * r4 ~ r13 */ unsigned long regs[10]; /* r16 ~ r30 */ unsigned long exregs[15]; unsigned long rhi; unsigned long rlo; unsigned long dcsr; }; struct user_fp { unsigned long vr[96]; unsigned long fcr; unsigned long fesr; unsigned long fid; unsigned long reserved; };
30 lines
962 B
C
30 lines
962 B
C
/* Common target-dependent functionality for CSKY
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Copyright (C) 2022 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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#ifndef ARCH_CSKY_H
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#define ARCH_CSKy_H
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#include "gdbsupport/tdesc.h"
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/* Used for gdbserver. */
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target_desc_up csky_create_target_description (void);
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#endif /* ARCH_CSKY_H */
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