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213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
158 lines
5.0 KiB
C++
158 lines
5.0 KiB
C++
/* Copyright (C) 2020-2023 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 <sys/types.h>
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#include <sys/ptrace.h>
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#include <limits.h>
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#include "server.h"
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#include "netbsd-low.h"
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#include "gdbsupport/x86-xstate.h"
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#include "arch/i386.h"
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#include "x86-tdesc.h"
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#include "tdesc.h"
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/* The index of various registers inside the regcache. */
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enum netbsd_i386_gdb_regnum
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{
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I386_EAX_REGNUM, /* %eax */
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I386_ECX_REGNUM, /* %ecx */
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I386_EDX_REGNUM, /* %edx */
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I386_EBX_REGNUM, /* %ebx */
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I386_ESP_REGNUM, /* %esp */
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I386_EBP_REGNUM, /* %ebp */
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I386_ESI_REGNUM, /* %esi */
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I386_EDI_REGNUM, /* %edi */
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I386_EIP_REGNUM, /* %eip */
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I386_EFLAGS_REGNUM, /* %eflags */
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I386_CS_REGNUM, /* %cs */
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I386_SS_REGNUM, /* %ss */
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I386_DS_REGNUM, /* %ds */
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I386_ES_REGNUM, /* %es */
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I386_FS_REGNUM, /* %fs */
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I386_GS_REGNUM, /* %gs */
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I386_ST0_REGNUM /* %st(0) */
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};
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/* The fill_function for the general-purpose register set. */
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static void
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netbsd_i386_fill_gregset (struct regcache *regcache, char *buf)
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{
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struct reg *r = (struct reg *) buf;
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#define netbsd_i386_collect_gp(regnum, fld) do { \
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collect_register (regcache, regnum, &r->r_##fld); \
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} while (0)
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netbsd_i386_collect_gp (I386_EAX_REGNUM, eax);
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netbsd_i386_collect_gp (I386_EBX_REGNUM, ebx);
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netbsd_i386_collect_gp (I386_ECX_REGNUM, ecx);
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netbsd_i386_collect_gp (I386_EDX_REGNUM, edx);
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netbsd_i386_collect_gp (I386_ESP_REGNUM, esp);
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netbsd_i386_collect_gp (I386_EBP_REGNUM, ebp);
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netbsd_i386_collect_gp (I386_ESI_REGNUM, esi);
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netbsd_i386_collect_gp (I386_EDI_REGNUM, edi);
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netbsd_i386_collect_gp (I386_EIP_REGNUM, eip);
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netbsd_i386_collect_gp (I386_EFLAGS_REGNUM, eflags);
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netbsd_i386_collect_gp (I386_CS_REGNUM, cs);
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netbsd_i386_collect_gp (I386_SS_REGNUM, ss);
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netbsd_i386_collect_gp (I386_DS_REGNUM, ds);
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netbsd_i386_collect_gp (I386_ES_REGNUM, es);
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netbsd_i386_collect_gp (I386_FS_REGNUM, fs);
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netbsd_i386_collect_gp (I386_GS_REGNUM, gs);
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}
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/* The store_function for the general-purpose register set. */
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static void
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netbsd_i386_store_gregset (struct regcache *regcache, const char *buf)
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{
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struct reg *r = (struct reg *) buf;
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#define netbsd_i386_supply_gp(regnum, fld) do { \
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supply_register (regcache, regnum, &r->r_##fld); \
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} while(0)
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netbsd_i386_supply_gp (I386_EAX_REGNUM, eax);
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netbsd_i386_supply_gp (I386_EBX_REGNUM, ebx);
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netbsd_i386_supply_gp (I386_ECX_REGNUM, ecx);
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netbsd_i386_supply_gp (I386_EDX_REGNUM, edx);
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netbsd_i386_supply_gp (I386_ESP_REGNUM, esp);
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netbsd_i386_supply_gp (I386_EBP_REGNUM, ebp);
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netbsd_i386_supply_gp (I386_ESI_REGNUM, esi);
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netbsd_i386_supply_gp (I386_EDI_REGNUM, edi);
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netbsd_i386_supply_gp (I386_EIP_REGNUM, eip);
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netbsd_i386_supply_gp (I386_EFLAGS_REGNUM, eflags);
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netbsd_i386_supply_gp (I386_CS_REGNUM, cs);
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netbsd_i386_supply_gp (I386_SS_REGNUM, ss);
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netbsd_i386_supply_gp (I386_DS_REGNUM, ds);
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netbsd_i386_supply_gp (I386_ES_REGNUM, es);
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netbsd_i386_supply_gp (I386_FS_REGNUM, fs);
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netbsd_i386_supply_gp (I386_GS_REGNUM, gs);
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}
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/* Description of all the x86-netbsd register sets. */
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static const struct netbsd_regset_info netbsd_target_regsets[] =
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{
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/* General Purpose Registers. */
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{PT_GETREGS, PT_SETREGS, sizeof (struct reg),
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netbsd_i386_fill_gregset, netbsd_i386_store_gregset},
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/* End of list marker. */
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{0, 0, -1, NULL, NULL }
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};
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/* NetBSD target op definitions for the amd64 architecture. */
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class netbsd_i386_target : public netbsd_process_target
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{
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public:
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const netbsd_regset_info *get_regs_info () override;
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void low_arch_setup () override;
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};
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const netbsd_regset_info *
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netbsd_i386_target::get_regs_info ()
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{
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return netbsd_target_regsets;
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}
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/* Initialize the target description for the architecture of the
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inferior. */
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void
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netbsd_i386_target::low_arch_setup ()
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{
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target_desc *tdesc
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= i386_create_target_description (X86_XSTATE_SSE_MASK, false, false);
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init_target_desc (tdesc, i386_expedite_regs);
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current_process ()->tdesc = tdesc;
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}
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/* The singleton target ops object. */
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static netbsd_i386_target the_netbsd_i386_target;
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/* The NetBSD target ops object. */
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netbsd_process_target *the_netbsd_target = &the_netbsd_i386_target;
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