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bd2b40ac12
This changes GDB to use frame_info_ptr instead of frame_info *
The substitution was done with multiple sequential `sed` commands:
sed 's/^struct frame_info;/class frame_info_ptr;/'
sed 's/struct frame_info \*/frame_info_ptr /g' - which left some
issues in a few files, that were manually fixed.
sed 's/\<frame_info \*/frame_info_ptr /g'
sed 's/frame_info_ptr $/frame_info_ptr/g' - used to remove whitespace
problems.
The changed files were then manually checked and some 'sed' changes
undone, some constructors and some gets were added, according to what
made sense, and what Tromey originally did
Co-Authored-By: Bruno Larsen <blarsen@redhat.com>
Approved-by: Tom Tomey <tom@tromey.com>
134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/* Target-dependent code for NetBSD/amd64.
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Copyright (C) 2003-2022 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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#include "defs.h"
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#include "arch-utils.h"
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#include "frame.h"
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#include "gdbcore.h"
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#include "osabi.h"
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#include "symtab.h"
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#include "amd64-tdep.h"
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#include "gdbsupport/x86-xstate.h"
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#include "netbsd-tdep.h"
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#include "solib-svr4.h"
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/* Support for signal handlers. */
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/* Return whether THIS_FRAME corresponds to a NetBSD sigtramp
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routine. */
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static int
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amd64nbsd_sigtramp_p (frame_info_ptr this_frame)
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{
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CORE_ADDR pc = get_frame_pc (this_frame);
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const char *name;
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find_pc_partial_function (pc, &name, NULL, NULL);
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return nbsd_pc_in_sigtramp (pc, name);
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}
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/* Assuming THIS_FRAME corresponds to a NetBSD sigtramp routine,
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return the address of the associated mcontext structure. */
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static CORE_ADDR
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amd64nbsd_mcontext_addr (frame_info_ptr this_frame)
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{
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CORE_ADDR addr;
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/* The register %r15 points at `struct ucontext' upon entry of a
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signal trampoline. */
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addr = get_frame_register_unsigned (this_frame, AMD64_R15_REGNUM);
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/* The mcontext structure lives as offset 56 in `struct ucontext'. */
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return addr + 56;
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}
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/* NetBSD 2.0 or later. */
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/* Mapping between the general-purpose registers in `struct reg'
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format and GDB's register cache layout. */
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/* From <machine/reg.h>. */
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int amd64nbsd_r_reg_offset[] =
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{
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14 * 8, /* %rax */
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13 * 8, /* %rbx */
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3 * 8, /* %rcx */
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2 * 8, /* %rdx */
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1 * 8, /* %rsi */
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0 * 8, /* %rdi */
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12 * 8, /* %rbp */
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24 * 8, /* %rsp */
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4 * 8, /* %r8 .. */
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5 * 8,
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6 * 8,
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7 * 8,
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8 * 8,
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9 * 8,
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10 * 8,
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11 * 8, /* ... %r15 */
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21 * 8, /* %rip */
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23 * 8, /* %eflags */
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22 * 8, /* %cs */
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25 * 8, /* %ss */
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18 * 8, /* %ds */
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17 * 8, /* %es */
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16 * 8, /* %fs */
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15 * 8 /* %gs */
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};
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static void
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amd64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch);
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/* Initialize general-purpose register set details first. */
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tdep->gregset_reg_offset = amd64nbsd_r_reg_offset;
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tdep->gregset_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset);
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tdep->sizeof_gregset = 26 * 8;
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amd64_init_abi (info, gdbarch,
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amd64_target_description (X86_XSTATE_SSE_MASK, true));
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nbsd_init_abi (info, gdbarch);
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tdep->jb_pc_offset = 7 * 8;
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/* NetBSD has its own convention for signal trampolines. */
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tdep->sigtramp_p = amd64nbsd_sigtramp_p;
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tdep->sigcontext_addr = amd64nbsd_mcontext_addr;
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tdep->sc_reg_offset = amd64nbsd_r_reg_offset;
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tdep->sc_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset);
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/* NetBSD uses SVR4-style shared libraries. */
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_lp64_fetch_link_map_offsets);
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}
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void _initialize_amd64nbsd_tdep ();
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void
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_initialize_amd64nbsd_tdep ()
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{
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/* The NetBSD/amd64 native dependent code makes this assumption. */
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gdb_assert (ARRAY_SIZE (amd64nbsd_r_reg_offset) == AMD64_NUM_GREGS);
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gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
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GDB_OSABI_NETBSD, amd64nbsd_init_abi);
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}
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