mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-21 01:12:32 +08:00
a9ed7a0814
This reverts commit 98bcde5e26. This
commit was causing build problems on at least sparc, ppc, and s390,
though I suspect some other targets might be impacted too.
208 lines
7.1 KiB
C++
208 lines
7.1 KiB
C++
/* Copyright (C) 2020-2024 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 "netbsd-low.h"
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#include "gdbsupport/x86-xstate.h"
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#include "arch/amd64.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_x86_64_gdb_regnum
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{
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AMD64_RAX_REGNUM, /* %rax */
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AMD64_RBX_REGNUM, /* %rbx */
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AMD64_RCX_REGNUM, /* %rcx */
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AMD64_RDX_REGNUM, /* %rdx */
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AMD64_RSI_REGNUM, /* %rsi */
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AMD64_RDI_REGNUM, /* %rdi */
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AMD64_RBP_REGNUM, /* %rbp */
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AMD64_RSP_REGNUM, /* %rsp */
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AMD64_R8_REGNUM, /* %r8 */
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AMD64_R9_REGNUM, /* %r9 */
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AMD64_R10_REGNUM, /* %r10 */
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AMD64_R11_REGNUM, /* %r11 */
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AMD64_R12_REGNUM, /* %r12 */
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AMD64_R13_REGNUM, /* %r13 */
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AMD64_R14_REGNUM, /* %r14 */
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AMD64_R15_REGNUM, /* %r15 */
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AMD64_RIP_REGNUM, /* %rip */
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AMD64_EFLAGS_REGNUM, /* %eflags */
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AMD64_CS_REGNUM, /* %cs */
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AMD64_SS_REGNUM, /* %ss */
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AMD64_DS_REGNUM, /* %ds */
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AMD64_ES_REGNUM, /* %es */
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AMD64_FS_REGNUM, /* %fs */
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AMD64_GS_REGNUM, /* %gs */
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AMD64_ST0_REGNUM = 24, /* %st0 */
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AMD64_ST1_REGNUM, /* %st1 */
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AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
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AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
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AMD64_FTAG_REGNUM = AMD64_ST0_REGNUM + 10,
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AMD64_XMM0_REGNUM = 40, /* %xmm0 */
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AMD64_XMM1_REGNUM, /* %xmm1 */
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AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16,
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AMD64_YMM0H_REGNUM, /* %ymm0h */
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AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15,
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/* MPX is deprecated. Yet we keep this to not give the registers below
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a new number. That could break older gdbservers. */
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AMD64_BND0R_REGNUM = AMD64_YMM15H_REGNUM + 1,
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AMD64_BND3R_REGNUM = AMD64_BND0R_REGNUM + 3,
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AMD64_BNDCFGU_REGNUM,
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AMD64_BNDSTATUS_REGNUM,
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AMD64_XMM16_REGNUM,
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AMD64_XMM31_REGNUM = AMD64_XMM16_REGNUM + 15,
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AMD64_YMM16H_REGNUM,
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AMD64_YMM31H_REGNUM = AMD64_YMM16H_REGNUM + 15,
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AMD64_K0_REGNUM,
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AMD64_K7_REGNUM = AMD64_K0_REGNUM + 7,
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AMD64_ZMM0H_REGNUM,
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AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31,
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AMD64_PKRU_REGNUM,
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AMD64_FSBASE_REGNUM,
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AMD64_GSBASE_REGNUM
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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_x86_64_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_x86_64_collect_gp(regnum, fld) do { \
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collect_register (regcache, regnum, &r->regs[_REG_##fld]); \
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} while (0)
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netbsd_x86_64_collect_gp (AMD64_RAX_REGNUM, RAX);
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netbsd_x86_64_collect_gp (AMD64_RBX_REGNUM, RBX);
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netbsd_x86_64_collect_gp (AMD64_RCX_REGNUM, RCX);
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netbsd_x86_64_collect_gp (AMD64_RDX_REGNUM, RDX);
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netbsd_x86_64_collect_gp (AMD64_RSI_REGNUM, RSI);
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netbsd_x86_64_collect_gp (AMD64_RDI_REGNUM, RDI);
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netbsd_x86_64_collect_gp (AMD64_RBP_REGNUM, RBP);
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netbsd_x86_64_collect_gp (AMD64_RSP_REGNUM, RSP);
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netbsd_x86_64_collect_gp (AMD64_R8_REGNUM, R8);
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netbsd_x86_64_collect_gp (AMD64_R9_REGNUM, R9);
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netbsd_x86_64_collect_gp (AMD64_R10_REGNUM, R10);
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netbsd_x86_64_collect_gp (AMD64_R11_REGNUM, R11);
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netbsd_x86_64_collect_gp (AMD64_R12_REGNUM, R12);
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netbsd_x86_64_collect_gp (AMD64_R13_REGNUM, R13);
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netbsd_x86_64_collect_gp (AMD64_R14_REGNUM, R14);
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netbsd_x86_64_collect_gp (AMD64_R15_REGNUM, R15);
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netbsd_x86_64_collect_gp (AMD64_RIP_REGNUM, RIP);
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netbsd_x86_64_collect_gp (AMD64_EFLAGS_REGNUM, RFLAGS);
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netbsd_x86_64_collect_gp (AMD64_CS_REGNUM, CS);
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netbsd_x86_64_collect_gp (AMD64_SS_REGNUM, SS);
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netbsd_x86_64_collect_gp (AMD64_DS_REGNUM, DS);
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netbsd_x86_64_collect_gp (AMD64_ES_REGNUM, ES);
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netbsd_x86_64_collect_gp (AMD64_FS_REGNUM, FS);
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netbsd_x86_64_collect_gp (AMD64_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_x86_64_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_x86_64_supply_gp(regnum, fld) do { \
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supply_register (regcache, regnum, &r->regs[_REG_##fld]); \
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} while(0)
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netbsd_x86_64_supply_gp (AMD64_RAX_REGNUM, RAX);
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netbsd_x86_64_supply_gp (AMD64_RBX_REGNUM, RBX);
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netbsd_x86_64_supply_gp (AMD64_RCX_REGNUM, RCX);
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netbsd_x86_64_supply_gp (AMD64_RDX_REGNUM, RDX);
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netbsd_x86_64_supply_gp (AMD64_RSI_REGNUM, RSI);
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netbsd_x86_64_supply_gp (AMD64_RDI_REGNUM, RDI);
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netbsd_x86_64_supply_gp (AMD64_RBP_REGNUM, RBP);
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netbsd_x86_64_supply_gp (AMD64_RSP_REGNUM, RSP);
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netbsd_x86_64_supply_gp (AMD64_R8_REGNUM, R8);
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netbsd_x86_64_supply_gp (AMD64_R9_REGNUM, R9);
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netbsd_x86_64_supply_gp (AMD64_R10_REGNUM, R10);
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netbsd_x86_64_supply_gp (AMD64_R11_REGNUM, R11);
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netbsd_x86_64_supply_gp (AMD64_R12_REGNUM, R12);
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netbsd_x86_64_supply_gp (AMD64_R13_REGNUM, R13);
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netbsd_x86_64_supply_gp (AMD64_R14_REGNUM, R14);
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netbsd_x86_64_supply_gp (AMD64_R15_REGNUM, R15);
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netbsd_x86_64_supply_gp (AMD64_RIP_REGNUM, RIP);
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netbsd_x86_64_supply_gp (AMD64_EFLAGS_REGNUM, RFLAGS);
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netbsd_x86_64_supply_gp (AMD64_CS_REGNUM, CS);
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netbsd_x86_64_supply_gp (AMD64_SS_REGNUM, SS);
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netbsd_x86_64_supply_gp (AMD64_DS_REGNUM, DS);
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netbsd_x86_64_supply_gp (AMD64_ES_REGNUM, ES);
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netbsd_x86_64_supply_gp (AMD64_FS_REGNUM, FS);
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netbsd_x86_64_supply_gp (AMD64_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_x86_64_fill_gregset, netbsd_x86_64_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_amd64_target : public netbsd_process_target
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{
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protected:
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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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/* Return the information to access registers. */
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const netbsd_regset_info *
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netbsd_amd64_target::get_regs_info ()
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{
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return netbsd_target_regsets;
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}
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/* Architecture-specific setup for the current process. */
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void
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netbsd_amd64_target::low_arch_setup ()
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{
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target_desc *tdesc
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= amd64_create_target_description (X86_XSTATE_SSE_MASK, false, false, false);
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init_target_desc (tdesc, amd64_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_amd64_target the_netbsd_amd64_target;
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/* The NetBSD target ops object. */
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netbsd_process_target *the_netbsd_target = &the_netbsd_amd64_target;
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