87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* GNU/Linux/x86-64 specific low level interface, for the in-process
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agent library for GDB.
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Copyright (C) 2010 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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/* Defined in auto-generated file amd64-linux.c. */
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void init_registers_amd64_linux (void);
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/* fast tracepoints collect registers. */
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#define FT_CR_RIP 0
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#define FT_CR_EFLAGS 1
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#define FT_CR_R8 2
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#define FT_CR_R9 3
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#define FT_CR_R10 4
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#define FT_CR_R11 5
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#define FT_CR_R12 6
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#define FT_CR_R13 7
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#define FT_CR_R14 8
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#define FT_CR_R15 9
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#define FT_CR_RAX 10
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#define FT_CR_RBX 11
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#define FT_CR_RCX 12
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#define FT_CR_RDX 13
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#define FT_CR_RSI 14
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#define FT_CR_RDI 15
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#define FT_CR_RBP 16
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#define FT_CR_RSP 17
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static const int x86_64_ft_collect_regmap[] = {
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FT_CR_RAX * 8, FT_CR_RBX * 8, FT_CR_RCX * 8, FT_CR_RDX * 8,
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FT_CR_RSI * 8, FT_CR_RDI * 8, FT_CR_RBP * 8, FT_CR_RSP * 8,
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FT_CR_R8 * 8, FT_CR_R9 * 8, FT_CR_R10 * 8, FT_CR_R11 * 8,
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FT_CR_R12 * 8, FT_CR_R13 * 8, FT_CR_R14 * 8, FT_CR_R15 * 8,
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FT_CR_RIP * 8, FT_CR_EFLAGS * 8
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};
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#define X86_64_NUM_FT_COLLECT_GREGS \
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(sizeof (x86_64_ft_collect_regmap) / sizeof(x86_64_ft_collect_regmap[0]))
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void
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supply_fast_tracepoint_registers (struct regcache *regcache,
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const unsigned char *buf)
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{
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int i;
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for (i = 0; i < X86_64_NUM_FT_COLLECT_GREGS; i++)
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supply_register (regcache, i,
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((char *) buf) + x86_64_ft_collect_regmap[i]);
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}
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ULONGEST __attribute__ ((visibility("default"), used))
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gdb_agent_get_raw_reg (const unsigned char *raw_regs, int regnum)
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{
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if (regnum > X86_64_NUM_FT_COLLECT_GREGS)
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return 0;
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return *(ULONGEST *) (raw_regs + x86_64_ft_collect_regmap[regnum]);
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}
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/* This is only needed because reg-i386-linux-lib.o references it. We
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may use it proper at some point. */
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const char *gdbserver_xmltarget;
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void
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initialize_low_tracepoint (void)
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{
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init_registers_amd64_linux ();
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}
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