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- /* Target-dependent code for GNU/Linux x86-64.
- Copyright (C) 2001-2022 Free Software Foundation, Inc.
- Contributed by Jiri Smid, SuSE Labs.
- This file is part of GDB.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
- #include "defs.h"
- #include "arch-utils.h"
- #include "frame.h"
- #include "gdbcore.h"
- #include "regcache.h"
- #include "osabi.h"
- #include "symtab.h"
- #include "gdbtypes.h"
- #include "reggroups.h"
- #include "regset.h"
- #include "parser-defs.h"
- #include "user-regs.h"
- #include "amd64-linux-tdep.h"
- #include "i386-linux-tdep.h"
- #include "linux-tdep.h"
- #include "gdbsupport/x86-xstate.h"
- #include "amd64-tdep.h"
- #include "solib-svr4.h"
- #include "xml-syscall.h"
- #include "glibc-tdep.h"
- #include "arch/amd64.h"
- #include "target-descriptions.h"
- #include "expop.h"
- /* The syscall's XML filename for i386. */
- #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
- #include "record-full.h"
- #include "linux-record.h"
- /* Mapping between the general-purpose registers in `struct user'
- format and GDB's register cache layout. */
- /* From <sys/reg.h>. */
- int amd64_linux_gregset_reg_offset[] =
- {
- 10 * 8, /* %rax */
- 5 * 8, /* %rbx */
- 11 * 8, /* %rcx */
- 12 * 8, /* %rdx */
- 13 * 8, /* %rsi */
- 14 * 8, /* %rdi */
- 4 * 8, /* %rbp */
- 19 * 8, /* %rsp */
- 9 * 8, /* %r8 ... */
- 8 * 8,
- 7 * 8,
- 6 * 8,
- 3 * 8,
- 2 * 8,
- 1 * 8,
- 0 * 8, /* ... %r15 */
- 16 * 8, /* %rip */
- 18 * 8, /* %eflags */
- 17 * 8, /* %cs */
- 20 * 8, /* %ss */
- 23 * 8, /* %ds */
- 24 * 8, /* %es */
- 25 * 8, /* %fs */
- 26 * 8, /* %gs */
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
- -1, -1, /* MPX registers BNDCFGU and BNDSTATUS. */
- -1, -1, -1, -1, -1, -1, -1, -1, /* xmm16 ... xmm31 (AVX512) */
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, /* ymm16 ... ymm31 (AVX512) */
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
- -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm31 (AVX512) */
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1,
- -1, /* PKEYS register pkru */
- /* End of hardware registers */
- 21 * 8, 22 * 8, /* fs_base and gs_base. */
- 15 * 8 /* "orig_rax" */
- };
- /* Support for signal handlers. */
- #define LINUX_SIGTRAMP_INSN0 0x48 /* mov $NNNNNNNN, %rax */
- #define LINUX_SIGTRAMP_OFFSET0 0
- #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */
- #define LINUX_SIGTRAMP_OFFSET1 7
- static const gdb_byte amd64_linux_sigtramp_code[] =
- {
- /* mov $__NR_rt_sigreturn, %rax */
- LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
- /* syscall */
- LINUX_SIGTRAMP_INSN1, 0x05
- };
- static const gdb_byte amd64_x32_linux_sigtramp_code[] =
- {
- /* mov $__NR_rt_sigreturn, %rax. */
- LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
- /* syscall */
- LINUX_SIGTRAMP_INSN1, 0x05
- };
- #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
- /* If PC is in a sigtramp routine, return the address of the start of
- the routine. Otherwise, return 0. */
- static CORE_ADDR
- amd64_linux_sigtramp_start (struct frame_info *this_frame)
- {
- struct gdbarch *gdbarch;
- const gdb_byte *sigtramp_code;
- CORE_ADDR pc = get_frame_pc (this_frame);
- gdb_byte buf[LINUX_SIGTRAMP_LEN];
- /* We only recognize a signal trampoline if PC is at the start of
- one of the two instructions. We optimize for finding the PC at
- the start, as will be the case when the trampoline is not the
- first frame on the stack. We assume that in the case where the
- PC is not at the start of the instruction sequence, there will be
- a few trailing readable bytes on the stack. */
- if (!safe_frame_unwind_memory (this_frame, pc, buf))
- return 0;
- if (buf[0] != LINUX_SIGTRAMP_INSN0)
- {
- if (buf[0] != LINUX_SIGTRAMP_INSN1)
- return 0;
- pc -= LINUX_SIGTRAMP_OFFSET1;
- if (!safe_frame_unwind_memory (this_frame, pc, buf))
- return 0;
- }
- gdbarch = get_frame_arch (this_frame);
- if (gdbarch_ptr_bit (gdbarch) == 32)
- sigtramp_code = amd64_x32_linux_sigtramp_code;
- else
- sigtramp_code = amd64_linux_sigtramp_code;
- if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
- return 0;
- return pc;
- }
- /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
- routine. */
- static int
- amd64_linux_sigtramp_p (struct frame_info *this_frame)
- {
- CORE_ADDR pc = get_frame_pc (this_frame);
- const char *name;
- find_pc_partial_function (pc, &name, NULL, NULL);
- /* If we have NAME, we can optimize the search. The trampoline is
- named __restore_rt. However, it isn't dynamically exported from
- the shared C library, so the trampoline may appear to be part of
- the preceding function. This should always be sigaction,
- __sigaction, or __libc_sigaction (all aliases to the same
- function). */
- if (name == NULL || strstr (name, "sigaction") != NULL)
- return (amd64_linux_sigtramp_start (this_frame) != 0);
- return (strcmp ("__restore_rt", name) == 0);
- }
- /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>. */
- #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
- /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
- address of the associated sigcontext structure. */
- static CORE_ADDR
- amd64_linux_sigcontext_addr (struct frame_info *this_frame)
- {
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR sp;
- gdb_byte buf[8];
- get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 8, byte_order);
- /* The sigcontext structure is part of the user context. A pointer
- to the user context is passed as the third argument to the signal
- handler, i.e. in %rdx. Unfortunately %rdx isn't preserved across
- function calls so we can't use it. Fortunately the user context
- is part of the signal frame and the unwound %rsp directly points
- at it. */
- return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
- }
- static LONGEST
- amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
- thread_info *thread)
- {
- struct regcache *regcache = get_thread_regcache (thread);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- /* The content of a register. */
- gdb_byte buf[8];
- /* The result. */
- LONGEST ret;
- /* Getting the system call number from the register.
- When dealing with x86_64 architecture, this information
- is stored at %rax register. */
- regcache->cooked_read (AMD64_LINUX_ORIG_RAX_REGNUM, buf);
- ret = extract_signed_integer (buf, byte_order);
- return ret;
- }
- /* From <asm/sigcontext.h>. */
- static int amd64_linux_sc_reg_offset[] =
- {
- 13 * 8, /* %rax */
- 11 * 8, /* %rbx */
- 14 * 8, /* %rcx */
- 12 * 8, /* %rdx */
- 9 * 8, /* %rsi */
- 8 * 8, /* %rdi */
- 10 * 8, /* %rbp */
- 15 * 8, /* %rsp */
- 0 * 8, /* %r8 */
- 1 * 8, /* %r9 */
- 2 * 8, /* %r10 */
- 3 * 8, /* %r11 */
- 4 * 8, /* %r12 */
- 5 * 8, /* %r13 */
- 6 * 8, /* %r14 */
- 7 * 8, /* %r15 */
- 16 * 8, /* %rip */
- 17 * 8, /* %eflags */
- /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
- available in `struct sigcontext'. However, they only occupy two
- bytes instead of four, which makes using them here rather
- difficult. Leave them out for now. */
- -1, /* %cs */
- -1, /* %ss */
- -1, /* %ds */
- -1, /* %es */
- -1, /* %fs */
- -1 /* %gs */
- };
- static int
- amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
- const struct reggroup *group)
- {
- if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM
- || regnum == AMD64_FSBASE_REGNUM
- || regnum == AMD64_GSBASE_REGNUM)
- return (group == system_reggroup
- || group == save_reggroup
- || group == restore_reggroup);
- return i386_register_reggroup_p (gdbarch, regnum, group);
- }
- /* Set the program counter for process PTID to PC. */
- static void
- amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
- {
- regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
- /* We must be careful with modifying the program counter. If we
- just interrupted a system call, the kernel might try to restart
- it when we resume the inferior. On restarting the system call,
- the kernel will try backing up the program counter even though it
- no longer points at the system call. This typically results in a
- SIGSEGV or SIGILL. We can prevent this by writing `-1' in the
- "orig_rax" pseudo-register.
- Note that "orig_rax" is saved when setting up a dummy call frame.
- This means that it is properly restored when that frame is
- popped, and that the interrupted system call will be restarted
- when we resume the inferior on return from a function call from
- within GDB. In all other cases the system call will not be
- restarted. */
- regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
- }
- /* Record all registers but IP register for process-record. */
- static int
- amd64_all_but_ip_registers_record (struct regcache *regcache)
- {
- if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
- return -1;
- return 0;
- }
- /* amd64_canonicalize_syscall maps from the native amd64 Linux set
- of syscall ids into a canonical set of syscall ids used by
- process record. */
- static enum gdb_syscall
- amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
- {
- DIAGNOSTIC_PUSH
- DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
- switch (syscall_number) {
- case amd64_sys_read:
- case amd64_x32_sys_read:
- return gdb_sys_read;
- case amd64_sys_write:
- case amd64_x32_sys_write:
- return gdb_sys_write;
- case amd64_sys_open:
- case amd64_x32_sys_open:
- return gdb_sys_open;
- case amd64_sys_close:
- case amd64_x32_sys_close:
- return gdb_sys_close;
- case amd64_sys_newstat:
- case amd64_x32_sys_newstat:
- return gdb_sys_newstat;
- case amd64_sys_newfstat:
- case amd64_x32_sys_newfstat:
- return gdb_sys_newfstat;
- case amd64_sys_newlstat:
- case amd64_x32_sys_newlstat:
- return gdb_sys_newlstat;
- case amd64_sys_poll:
- case amd64_x32_sys_poll:
- return gdb_sys_poll;
- case amd64_sys_lseek:
- case amd64_x32_sys_lseek:
- return gdb_sys_lseek;
- case amd64_sys_mmap:
- case amd64_x32_sys_mmap:
- return gdb_sys_mmap2;
- case amd64_sys_mprotect:
- case amd64_x32_sys_mprotect:
- return gdb_sys_mprotect;
- case amd64_sys_munmap:
- case amd64_x32_sys_munmap:
- return gdb_sys_munmap;
- case amd64_sys_brk:
- case amd64_x32_sys_brk:
- return gdb_sys_brk;
- case amd64_sys_rt_sigaction:
- case amd64_x32_sys_rt_sigaction:
- return gdb_sys_rt_sigaction;
- case amd64_sys_rt_sigprocmask:
- case amd64_x32_sys_rt_sigprocmask:
- return gdb_sys_rt_sigprocmask;
- case amd64_sys_rt_sigreturn:
- case amd64_x32_sys_rt_sigreturn:
- return gdb_sys_rt_sigreturn;
- case amd64_sys_ioctl:
- case amd64_x32_sys_ioctl:
- return gdb_sys_ioctl;
- case amd64_sys_pread64:
- case amd64_x32_sys_pread64:
- return gdb_sys_pread64;
- case amd64_sys_pwrite64:
- case amd64_x32_sys_pwrite64:
- return gdb_sys_pwrite64;
- case amd64_sys_readv:
- case amd64_x32_sys_readv:
- return gdb_sys_readv;
- case amd64_sys_writev:
- case amd64_x32_sys_writev:
- return gdb_sys_writev;
- case amd64_sys_access:
- case amd64_x32_sys_access:
- return gdb_sys_access;
- case amd64_sys_pipe:
- case amd64_x32_sys_pipe:
- return gdb_sys_pipe;
- case amd64_sys_select:
- case amd64_x32_sys_select:
- return gdb_sys_select;
- case amd64_sys_sched_yield:
- case amd64_x32_sys_sched_yield:
- return gdb_sys_sched_yield;
- case amd64_sys_mremap:
- case amd64_x32_sys_mremap:
- return gdb_sys_mremap;
- case amd64_sys_msync:
- case amd64_x32_sys_msync:
- return gdb_sys_msync;
- case amd64_sys_mincore:
- case amd64_x32_sys_mincore:
- return gdb_sys_mincore;
- case amd64_sys_madvise:
- case amd64_x32_sys_madvise:
- return gdb_sys_madvise;
- case amd64_sys_shmget:
- case amd64_x32_sys_shmget:
- return gdb_sys_shmget;
- case amd64_sys_shmat:
- case amd64_x32_sys_shmat:
- return gdb_sys_shmat;
- case amd64_sys_shmctl:
- case amd64_x32_sys_shmctl:
- return gdb_sys_shmctl;
- case amd64_sys_dup:
- case amd64_x32_sys_dup:
- return gdb_sys_dup;
- case amd64_sys_dup2:
- case amd64_x32_sys_dup2:
- return gdb_sys_dup2;
- case amd64_sys_pause:
- case amd64_x32_sys_pause:
- return gdb_sys_pause;
- case amd64_sys_nanosleep:
- case amd64_x32_sys_nanosleep:
- return gdb_sys_nanosleep;
- case amd64_sys_getitimer:
- case amd64_x32_sys_getitimer:
- return gdb_sys_getitimer;
- case amd64_sys_alarm:
- case amd64_x32_sys_alarm:
- return gdb_sys_alarm;
- case amd64_sys_setitimer:
- case amd64_x32_sys_setitimer:
- return gdb_sys_setitimer;
- case amd64_sys_getpid:
- case amd64_x32_sys_getpid:
- return gdb_sys_getpid;
- case amd64_sys_sendfile64:
- case amd64_x32_sys_sendfile64:
- return gdb_sys_sendfile64;
- case amd64_sys_socket:
- case amd64_x32_sys_socket:
- return gdb_sys_socket;
- case amd64_sys_connect:
- case amd64_x32_sys_connect:
- return gdb_sys_connect;
- case amd64_sys_accept:
- case amd64_x32_sys_accept:
- return gdb_sys_accept;
- case amd64_sys_sendto:
- case amd64_x32_sys_sendto:
- return gdb_sys_sendto;
- case amd64_sys_recvfrom:
- case amd64_x32_sys_recvfrom:
- return gdb_sys_recvfrom;
- case amd64_sys_sendmsg:
- case amd64_x32_sys_sendmsg:
- return gdb_sys_sendmsg;
- case amd64_sys_recvmsg:
- case amd64_x32_sys_recvmsg:
- return gdb_sys_recvmsg;
- case amd64_sys_shutdown:
- case amd64_x32_sys_shutdown:
- return gdb_sys_shutdown;
- case amd64_sys_bind:
- case amd64_x32_sys_bind:
- return gdb_sys_bind;
- case amd64_sys_listen:
- case amd64_x32_sys_listen:
- return gdb_sys_listen;
- case amd64_sys_getsockname:
- case amd64_x32_sys_getsockname:
- return gdb_sys_getsockname;
- case amd64_sys_getpeername:
- case amd64_x32_sys_getpeername:
- return gdb_sys_getpeername;
- case amd64_sys_socketpair:
- case amd64_x32_sys_socketpair:
- return gdb_sys_socketpair;
- case amd64_sys_setsockopt:
- case amd64_x32_sys_setsockopt:
- return gdb_sys_setsockopt;
- case amd64_sys_getsockopt:
- case amd64_x32_sys_getsockopt:
- return gdb_sys_getsockopt;
- case amd64_sys_clone:
- case amd64_x32_sys_clone:
- return gdb_sys_clone;
- case amd64_sys_fork:
- case amd64_x32_sys_fork:
- return gdb_sys_fork;
- case amd64_sys_vfork:
- case amd64_x32_sys_vfork:
- return gdb_sys_vfork;
- case amd64_sys_execve:
- case amd64_x32_sys_execve:
- return gdb_sys_execve;
- case amd64_sys_exit:
- case amd64_x32_sys_exit:
- return gdb_sys_exit;
- case amd64_sys_wait4:
- case amd64_x32_sys_wait4:
- return gdb_sys_wait4;
- case amd64_sys_kill:
- case amd64_x32_sys_kill:
- return gdb_sys_kill;
- case amd64_sys_uname:
- case amd64_x32_sys_uname:
- return gdb_sys_uname;
- case amd64_sys_semget:
- case amd64_x32_sys_semget:
- return gdb_sys_semget;
- case amd64_sys_semop:
- case amd64_x32_sys_semop:
- return gdb_sys_semop;
- case amd64_sys_semctl:
- case amd64_x32_sys_semctl:
- return gdb_sys_semctl;
- case amd64_sys_shmdt:
- case amd64_x32_sys_shmdt:
- return gdb_sys_shmdt;
- case amd64_sys_msgget:
- case amd64_x32_sys_msgget:
- return gdb_sys_msgget;
- case amd64_sys_msgsnd:
- case amd64_x32_sys_msgsnd:
- return gdb_sys_msgsnd;
- case amd64_sys_msgrcv:
- case amd64_x32_sys_msgrcv:
- return gdb_sys_msgrcv;
- case amd64_sys_msgctl:
- case amd64_x32_sys_msgctl:
- return gdb_sys_msgctl;
- case amd64_sys_fcntl:
- case amd64_x32_sys_fcntl:
- return gdb_sys_fcntl;
- case amd64_sys_flock:
- case amd64_x32_sys_flock:
- return gdb_sys_flock;
- case amd64_sys_fsync:
- case amd64_x32_sys_fsync:
- return gdb_sys_fsync;
- case amd64_sys_fdatasync:
- case amd64_x32_sys_fdatasync:
- return gdb_sys_fdatasync;
- case amd64_sys_truncate:
- case amd64_x32_sys_truncate:
- return gdb_sys_truncate;
- case amd64_sys_ftruncate:
- case amd64_x32_sys_ftruncate:
- return gdb_sys_ftruncate;
- case amd64_sys_getdents:
- case amd64_x32_sys_getdents:
- return gdb_sys_getdents;
- case amd64_sys_getcwd:
- case amd64_x32_sys_getcwd:
- return gdb_sys_getcwd;
- case amd64_sys_chdir:
- case amd64_x32_sys_chdir:
- return gdb_sys_chdir;
- case amd64_sys_fchdir:
- case amd64_x32_sys_fchdir:
- return gdb_sys_fchdir;
- case amd64_sys_rename:
- case amd64_x32_sys_rename:
- return gdb_sys_rename;
- case amd64_sys_mkdir:
- case amd64_x32_sys_mkdir:
- return gdb_sys_mkdir;
- case amd64_sys_rmdir:
- case amd64_x32_sys_rmdir:
- return gdb_sys_rmdir;
- case amd64_sys_creat:
- case amd64_x32_sys_creat:
- return gdb_sys_creat;
- case amd64_sys_link:
- case amd64_x32_sys_link:
- return gdb_sys_link;
- case amd64_sys_unlink:
- case amd64_x32_sys_unlink:
- return gdb_sys_unlink;
- case amd64_sys_symlink:
- case amd64_x32_sys_symlink:
- return gdb_sys_symlink;
- case amd64_sys_readlink:
- case amd64_x32_sys_readlink:
- return gdb_sys_readlink;
- case amd64_sys_chmod:
- case amd64_x32_sys_chmod:
- return gdb_sys_chmod;
- case amd64_sys_fchmod:
- case amd64_x32_sys_fchmod:
- return gdb_sys_fchmod;
- case amd64_sys_chown:
- case amd64_x32_sys_chown:
- return gdb_sys_chown;
- case amd64_sys_fchown:
- case amd64_x32_sys_fchown:
- return gdb_sys_fchown;
- case amd64_sys_lchown:
- case amd64_x32_sys_lchown:
- return gdb_sys_lchown;
- case amd64_sys_umask:
- case amd64_x32_sys_umask:
- return gdb_sys_umask;
- case amd64_sys_gettimeofday:
- case amd64_x32_sys_gettimeofday:
- return gdb_sys_gettimeofday;
- case amd64_sys_getrlimit:
- case amd64_x32_sys_getrlimit:
- return gdb_sys_getrlimit;
- case amd64_sys_getrusage:
- case amd64_x32_sys_getrusage:
- return gdb_sys_getrusage;
- case amd64_sys_sysinfo:
- case amd64_x32_sys_sysinfo:
- return gdb_sys_sysinfo;
- case amd64_sys_times:
- case amd64_x32_sys_times:
- return gdb_sys_times;
- case amd64_sys_ptrace:
- case amd64_x32_sys_ptrace:
- return gdb_sys_ptrace;
- case amd64_sys_getuid:
- case amd64_x32_sys_getuid:
- return gdb_sys_getuid;
- case amd64_sys_syslog:
- case amd64_x32_sys_syslog:
- return gdb_sys_syslog;
- case amd64_sys_getgid:
- case amd64_x32_sys_getgid:
- return gdb_sys_getgid;
- case amd64_sys_setuid:
- case amd64_x32_sys_setuid:
- return gdb_sys_setuid;
- case amd64_sys_setgid:
- case amd64_x32_sys_setgid:
- return gdb_sys_setgid;
- case amd64_sys_geteuid:
- case amd64_x32_sys_geteuid:
- return gdb_sys_geteuid;
- case amd64_sys_getegid:
- case amd64_x32_sys_getegid:
- return gdb_sys_getegid;
- case amd64_sys_setpgid:
- case amd64_x32_sys_setpgid:
- return gdb_sys_setpgid;
- case amd64_sys_getppid:
- case amd64_x32_sys_getppid:
- return gdb_sys_getppid;
- case amd64_sys_getpgrp:
- case amd64_x32_sys_getpgrp:
- return gdb_sys_getpgrp;
- case amd64_sys_setsid:
- case amd64_x32_sys_setsid:
- return gdb_sys_setsid;
- case amd64_sys_setreuid:
- case amd64_x32_sys_setreuid:
- return gdb_sys_setreuid;
- case amd64_sys_setregid:
- case amd64_x32_sys_setregid:
- return gdb_sys_setregid;
- case amd64_sys_getgroups:
- case amd64_x32_sys_getgroups:
- return gdb_sys_getgroups;
- case amd64_sys_setgroups:
- case amd64_x32_sys_setgroups:
- return gdb_sys_setgroups;
- case amd64_sys_setresuid:
- case amd64_x32_sys_setresuid:
- return gdb_sys_setresuid;
- case amd64_sys_getresuid:
- case amd64_x32_sys_getresuid:
- return gdb_sys_getresuid;
- case amd64_sys_setresgid:
- case amd64_x32_sys_setresgid:
- return gdb_sys_setresgid;
- case amd64_sys_getresgid:
- case amd64_x32_sys_getresgid:
- return gdb_sys_getresgid;
- case amd64_sys_getpgid:
- case amd64_x32_sys_getpgid:
- return gdb_sys_getpgid;
- case amd64_sys_setfsuid:
- case amd64_x32_sys_setfsuid:
- return gdb_sys_setfsuid;
- case amd64_sys_setfsgid:
- case amd64_x32_sys_setfsgid:
- return gdb_sys_setfsgid;
- case amd64_sys_getsid:
- case amd64_x32_sys_getsid:
- return gdb_sys_getsid;
- case amd64_sys_capget:
- case amd64_x32_sys_capget:
- return gdb_sys_capget;
- case amd64_sys_capset:
- case amd64_x32_sys_capset:
- return gdb_sys_capset;
- case amd64_sys_rt_sigpending:
- case amd64_x32_sys_rt_sigpending:
- return gdb_sys_rt_sigpending;
- case amd64_sys_rt_sigtimedwait:
- case amd64_x32_sys_rt_sigtimedwait:
- return gdb_sys_rt_sigtimedwait;
- case amd64_sys_rt_sigqueueinfo:
- case amd64_x32_sys_rt_sigqueueinfo:
- return gdb_sys_rt_sigqueueinfo;
- case amd64_sys_rt_sigsuspend:
- case amd64_x32_sys_rt_sigsuspend:
- return gdb_sys_rt_sigsuspend;
- case amd64_sys_sigaltstack:
- case amd64_x32_sys_sigaltstack:
- return gdb_sys_sigaltstack;
- case amd64_sys_utime:
- case amd64_x32_sys_utime:
- return gdb_sys_utime;
- case amd64_sys_mknod:
- case amd64_x32_sys_mknod:
- return gdb_sys_mknod;
- case amd64_sys_personality:
- case amd64_x32_sys_personality:
- return gdb_sys_personality;
- case amd64_sys_ustat:
- case amd64_x32_sys_ustat:
- return gdb_sys_ustat;
- case amd64_sys_statfs:
- case amd64_x32_sys_statfs:
- return gdb_sys_statfs;
- case amd64_sys_fstatfs:
- case amd64_x32_sys_fstatfs:
- return gdb_sys_fstatfs;
- case amd64_sys_sysfs:
- case amd64_x32_sys_sysfs:
- return gdb_sys_sysfs;
- case amd64_sys_getpriority:
- case amd64_x32_sys_getpriority:
- return gdb_sys_getpriority;
- case amd64_sys_setpriority:
- case amd64_x32_sys_setpriority:
- return gdb_sys_setpriority;
- case amd64_sys_sched_setparam:
- case amd64_x32_sys_sched_setparam:
- return gdb_sys_sched_setparam;
- case amd64_sys_sched_getparam:
- case amd64_x32_sys_sched_getparam:
- return gdb_sys_sched_getparam;
- case amd64_sys_sched_setscheduler:
- case amd64_x32_sys_sched_setscheduler:
- return gdb_sys_sched_setscheduler;
- case amd64_sys_sched_getscheduler:
- case amd64_x32_sys_sched_getscheduler:
- return gdb_sys_sched_getscheduler;
- case amd64_sys_sched_get_priority_max:
- case amd64_x32_sys_sched_get_priority_max:
- return gdb_sys_sched_get_priority_max;
- case amd64_sys_sched_get_priority_min:
- case amd64_x32_sys_sched_get_priority_min:
- return gdb_sys_sched_get_priority_min;
- case amd64_sys_sched_rr_get_interval:
- case amd64_x32_sys_sched_rr_get_interval:
- return gdb_sys_sched_rr_get_interval;
- case amd64_sys_mlock:
- case amd64_x32_sys_mlock:
- return gdb_sys_mlock;
- case amd64_sys_munlock:
- case amd64_x32_sys_munlock:
- return gdb_sys_munlock;
- case amd64_sys_mlockall:
- case amd64_x32_sys_mlockall:
- return gdb_sys_mlockall;
- case amd64_sys_munlockall:
- case amd64_x32_sys_munlockall:
- return gdb_sys_munlockall;
- case amd64_sys_vhangup:
- case amd64_x32_sys_vhangup:
- return gdb_sys_vhangup;
- case amd64_sys_modify_ldt:
- case amd64_x32_sys_modify_ldt:
- return gdb_sys_modify_ldt;
- case amd64_sys_pivot_root:
- case amd64_x32_sys_pivot_root:
- return gdb_sys_pivot_root;
- case amd64_sys_sysctl:
- case amd64_x32_sys_sysctl:
- return gdb_sys_sysctl;
- case amd64_sys_prctl:
- case amd64_x32_sys_prctl:
- return gdb_sys_prctl;
- case amd64_sys_arch_prctl:
- case amd64_x32_sys_arch_prctl:
- return gdb_sys_no_syscall; /* Note */
- case amd64_sys_adjtimex:
- case amd64_x32_sys_adjtimex:
- return gdb_sys_adjtimex;
- case amd64_sys_setrlimit:
- case amd64_x32_sys_setrlimit:
- return gdb_sys_setrlimit;
- case amd64_sys_chroot:
- case amd64_x32_sys_chroot:
- return gdb_sys_chroot;
- case amd64_sys_sync:
- case amd64_x32_sys_sync:
- return gdb_sys_sync;
- case amd64_sys_acct:
- case amd64_x32_sys_acct:
- return gdb_sys_acct;
- case amd64_sys_settimeofday:
- case amd64_x32_sys_settimeofday:
- return gdb_sys_settimeofday;
- case amd64_sys_mount:
- case amd64_x32_sys_mount:
- return gdb_sys_mount;
- case amd64_sys_umount:
- case amd64_x32_sys_umount:
- return gdb_sys_umount;
- case amd64_sys_swapon:
- case amd64_x32_sys_swapon:
- return gdb_sys_swapon;
- case amd64_sys_swapoff:
- case amd64_x32_sys_swapoff:
- return gdb_sys_swapoff;
- case amd64_sys_reboot:
- case amd64_x32_sys_reboot:
- return gdb_sys_reboot;
- case amd64_sys_sethostname:
- case amd64_x32_sys_sethostname:
- return gdb_sys_sethostname;
- case amd64_sys_setdomainname:
- case amd64_x32_sys_setdomainname:
- return gdb_sys_setdomainname;
- case amd64_sys_iopl:
- case amd64_x32_sys_iopl:
- return gdb_sys_iopl;
- case amd64_sys_ioperm:
- case amd64_x32_sys_ioperm:
- return gdb_sys_ioperm;
- case amd64_sys_init_module:
- case amd64_x32_sys_init_module:
- return gdb_sys_init_module;
- case amd64_sys_delete_module:
- case amd64_x32_sys_delete_module:
- return gdb_sys_delete_module;
- case amd64_sys_quotactl:
- case amd64_x32_sys_quotactl:
- return gdb_sys_quotactl;
- case amd64_sys_nfsservctl:
- return gdb_sys_nfsservctl;
- case amd64_sys_gettid:
- case amd64_x32_sys_gettid:
- return gdb_sys_gettid;
- case amd64_sys_readahead:
- case amd64_x32_sys_readahead:
- return gdb_sys_readahead;
- case amd64_sys_setxattr:
- case amd64_x32_sys_setxattr:
- return gdb_sys_setxattr;
- case amd64_sys_lsetxattr:
- case amd64_x32_sys_lsetxattr:
- return gdb_sys_lsetxattr;
- case amd64_sys_fsetxattr:
- case amd64_x32_sys_fsetxattr:
- return gdb_sys_fsetxattr;
- case amd64_sys_getxattr:
- case amd64_x32_sys_getxattr:
- return gdb_sys_getxattr;
- case amd64_sys_lgetxattr:
- case amd64_x32_sys_lgetxattr:
- return gdb_sys_lgetxattr;
- case amd64_sys_fgetxattr:
- case amd64_x32_sys_fgetxattr:
- return gdb_sys_fgetxattr;
- case amd64_sys_listxattr:
- case amd64_x32_sys_listxattr:
- return gdb_sys_listxattr;
- case amd64_sys_llistxattr:
- case amd64_x32_sys_llistxattr:
- return gdb_sys_llistxattr;
- case amd64_sys_flistxattr:
- case amd64_x32_sys_flistxattr:
- return gdb_sys_flistxattr;
- case amd64_sys_removexattr:
- case amd64_x32_sys_removexattr:
- return gdb_sys_removexattr;
- case amd64_sys_lremovexattr:
- case amd64_x32_sys_lremovexattr:
- return gdb_sys_lremovexattr;
- case amd64_sys_fremovexattr:
- case amd64_x32_sys_fremovexattr:
- return gdb_sys_fremovexattr;
- case amd64_sys_tkill:
- case amd64_x32_sys_tkill:
- return gdb_sys_tkill;
- case amd64_sys_time:
- case amd64_x32_sys_time:
- return gdb_sys_time;
- case amd64_sys_futex:
- case amd64_x32_sys_futex:
- return gdb_sys_futex;
- case amd64_sys_sched_setaffinity:
- case amd64_x32_sys_sched_setaffinity:
- return gdb_sys_sched_setaffinity;
- case amd64_sys_sched_getaffinity:
- case amd64_x32_sys_sched_getaffinity:
- return gdb_sys_sched_getaffinity;
- case amd64_sys_io_setup:
- case amd64_x32_sys_io_setup:
- return gdb_sys_io_setup;
- case amd64_sys_io_destroy:
- case amd64_x32_sys_io_destroy:
- return gdb_sys_io_destroy;
- case amd64_sys_io_getevents:
- case amd64_x32_sys_io_getevents:
- return gdb_sys_io_getevents;
- case amd64_sys_io_submit:
- case amd64_x32_sys_io_submit:
- return gdb_sys_io_submit;
- case amd64_sys_io_cancel:
- case amd64_x32_sys_io_cancel:
- return gdb_sys_io_cancel;
- case amd64_sys_lookup_dcookie:
- case amd64_x32_sys_lookup_dcookie:
- return gdb_sys_lookup_dcookie;
- case amd64_sys_epoll_create:
- case amd64_x32_sys_epoll_create:
- return gdb_sys_epoll_create;
- case amd64_sys_remap_file_pages:
- case amd64_x32_sys_remap_file_pages:
- return gdb_sys_remap_file_pages;
- case amd64_sys_getdents64:
- case amd64_x32_sys_getdents64:
- return gdb_sys_getdents64;
- case amd64_sys_set_tid_address:
- case amd64_x32_sys_set_tid_address:
- return gdb_sys_set_tid_address;
- case amd64_sys_restart_syscall:
- case amd64_x32_sys_restart_syscall:
- return gdb_sys_restart_syscall;
- case amd64_sys_semtimedop:
- case amd64_x32_sys_semtimedop:
- return gdb_sys_semtimedop;
- case amd64_sys_fadvise64:
- case amd64_x32_sys_fadvise64:
- return gdb_sys_fadvise64;
- case amd64_sys_timer_create:
- case amd64_x32_sys_timer_create:
- return gdb_sys_timer_create;
- case amd64_sys_timer_settime:
- case amd64_x32_sys_timer_settime:
- return gdb_sys_timer_settime;
- case amd64_sys_timer_gettime:
- case amd64_x32_sys_timer_gettime:
- return gdb_sys_timer_gettime;
- case amd64_sys_timer_getoverrun:
- case amd64_x32_sys_timer_getoverrun:
- return gdb_sys_timer_getoverrun;
- case amd64_sys_timer_delete:
- case amd64_x32_sys_timer_delete:
- return gdb_sys_timer_delete;
- case amd64_sys_clock_settime:
- case amd64_x32_sys_clock_settime:
- return gdb_sys_clock_settime;
- case amd64_sys_clock_gettime:
- case amd64_x32_sys_clock_gettime:
- return gdb_sys_clock_gettime;
- case amd64_sys_clock_getres:
- case amd64_x32_sys_clock_getres:
- return gdb_sys_clock_getres;
- case amd64_sys_clock_nanosleep:
- case amd64_x32_sys_clock_nanosleep:
- return gdb_sys_clock_nanosleep;
- case amd64_sys_exit_group:
- case amd64_x32_sys_exit_group:
- return gdb_sys_exit_group;
- case amd64_sys_epoll_wait:
- case amd64_x32_sys_epoll_wait:
- return gdb_sys_epoll_wait;
- case amd64_sys_epoll_ctl:
- case amd64_x32_sys_epoll_ctl:
- return gdb_sys_epoll_ctl;
- case amd64_sys_tgkill:
- case amd64_x32_sys_tgkill:
- return gdb_sys_tgkill;
- case amd64_sys_utimes:
- case amd64_x32_sys_utimes:
- return gdb_sys_utimes;
- case amd64_sys_mbind:
- case amd64_x32_sys_mbind:
- return gdb_sys_mbind;
- case amd64_sys_set_mempolicy:
- case amd64_x32_sys_set_mempolicy:
- return gdb_sys_set_mempolicy;
- case amd64_sys_get_mempolicy:
- case amd64_x32_sys_get_mempolicy:
- return gdb_sys_get_mempolicy;
- case amd64_sys_mq_open:
- case amd64_x32_sys_mq_open:
- return gdb_sys_mq_open;
- case amd64_sys_mq_unlink:
- case amd64_x32_sys_mq_unlink:
- return gdb_sys_mq_unlink;
- case amd64_sys_mq_timedsend:
- case amd64_x32_sys_mq_timedsend:
- return gdb_sys_mq_timedsend;
- case amd64_sys_mq_timedreceive:
- case amd64_x32_sys_mq_timedreceive:
- return gdb_sys_mq_timedreceive;
- case amd64_sys_mq_notify:
- case amd64_x32_sys_mq_notify:
- return gdb_sys_mq_notify;
- case amd64_sys_mq_getsetattr:
- case amd64_x32_sys_mq_getsetattr:
- return gdb_sys_mq_getsetattr;
- case amd64_sys_kexec_load:
- case amd64_x32_sys_kexec_load:
- return gdb_sys_kexec_load;
- case amd64_sys_waitid:
- case amd64_x32_sys_waitid:
- return gdb_sys_waitid;
- case amd64_sys_add_key:
- case amd64_x32_sys_add_key:
- return gdb_sys_add_key;
- case amd64_sys_request_key:
- case amd64_x32_sys_request_key:
- return gdb_sys_request_key;
- case amd64_sys_keyctl:
- case amd64_x32_sys_keyctl:
- return gdb_sys_keyctl;
- case amd64_sys_ioprio_set:
- case amd64_x32_sys_ioprio_set:
- return gdb_sys_ioprio_set;
- case amd64_sys_ioprio_get:
- case amd64_x32_sys_ioprio_get:
- return gdb_sys_ioprio_get;
- case amd64_sys_inotify_init:
- case amd64_x32_sys_inotify_init:
- return gdb_sys_inotify_init;
- case amd64_sys_inotify_add_watch:
- case amd64_x32_sys_inotify_add_watch:
- return gdb_sys_inotify_add_watch;
- case amd64_sys_inotify_rm_watch:
- case amd64_x32_sys_inotify_rm_watch:
- return gdb_sys_inotify_rm_watch;
- case amd64_sys_migrate_pages:
- case amd64_x32_sys_migrate_pages:
- return gdb_sys_migrate_pages;
- case amd64_sys_openat:
- case amd64_x32_sys_openat:
- return gdb_sys_openat;
- case amd64_sys_mkdirat:
- case amd64_x32_sys_mkdirat:
- return gdb_sys_mkdirat;
- case amd64_sys_mknodat:
- case amd64_x32_sys_mknodat:
- return gdb_sys_mknodat;
- case amd64_sys_fchownat:
- case amd64_x32_sys_fchownat:
- return gdb_sys_fchownat;
- case amd64_sys_futimesat:
- case amd64_x32_sys_futimesat:
- return gdb_sys_futimesat;
- case amd64_sys_newfstatat:
- case amd64_x32_sys_newfstatat:
- return gdb_sys_newfstatat;
- case amd64_sys_unlinkat:
- case amd64_x32_sys_unlinkat:
- return gdb_sys_unlinkat;
- case amd64_sys_renameat:
- case amd64_x32_sys_renameat:
- return gdb_sys_renameat;
- case amd64_sys_linkat:
- case amd64_x32_sys_linkat:
- return gdb_sys_linkat;
- case amd64_sys_symlinkat:
- case amd64_x32_sys_symlinkat:
- return gdb_sys_symlinkat;
- case amd64_sys_readlinkat:
- case amd64_x32_sys_readlinkat:
- return gdb_sys_readlinkat;
- case amd64_sys_fchmodat:
- case amd64_x32_sys_fchmodat:
- return gdb_sys_fchmodat;
- case amd64_sys_faccessat:
- case amd64_x32_sys_faccessat:
- return gdb_sys_faccessat;
- case amd64_sys_pselect6:
- case amd64_x32_sys_pselect6:
- return gdb_sys_pselect6;
- case amd64_sys_ppoll:
- case amd64_x32_sys_ppoll:
- return gdb_sys_ppoll;
- case amd64_sys_unshare:
- case amd64_x32_sys_unshare:
- return gdb_sys_unshare;
- case amd64_sys_set_robust_list:
- case amd64_x32_sys_set_robust_list:
- return gdb_sys_set_robust_list;
- case amd64_sys_get_robust_list:
- case amd64_x32_sys_get_robust_list:
- return gdb_sys_get_robust_list;
- case amd64_sys_splice:
- case amd64_x32_sys_splice:
- return gdb_sys_splice;
- case amd64_sys_tee:
- case amd64_x32_sys_tee:
- return gdb_sys_tee;
- case amd64_sys_sync_file_range:
- case amd64_x32_sys_sync_file_range:
- return gdb_sys_sync_file_range;
- case amd64_sys_vmsplice:
- case amd64_x32_sys_vmsplice:
- return gdb_sys_vmsplice;
- case amd64_sys_move_pages:
- case amd64_x32_sys_move_pages:
- return gdb_sys_move_pages;
- default:
- return gdb_sys_no_syscall;
- }
- DIAGNOSTIC_POP
- }
- /* Parse the arguments of current system call instruction and record
- the values of the registers and memory that will be changed into
- "record_full_arch_list". This instruction is "syscall".
- Return -1 if something wrong. */
- static struct linux_record_tdep amd64_linux_record_tdep;
- static struct linux_record_tdep amd64_x32_linux_record_tdep;
- #define RECORD_ARCH_GET_FS 0x1003
- #define RECORD_ARCH_GET_GS 0x1004
- static int
- amd64_linux_syscall_record_common (struct regcache *regcache,
- struct linux_record_tdep *linux_record_tdep_p)
- {
- int ret;
- ULONGEST syscall_native;
- enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
- regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
- switch (syscall_native)
- {
- case amd64_sys_rt_sigreturn:
- case amd64_x32_sys_rt_sigreturn:
- if (amd64_all_but_ip_registers_record (regcache))
- return -1;
- return 0;
- break;
- case amd64_sys_arch_prctl:
- case amd64_x32_sys_arch_prctl:
- {
- ULONGEST arg3;
- regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
- &arg3);
- if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
- {
- CORE_ADDR addr;
- regcache_raw_read_unsigned (regcache,
- linux_record_tdep_p->arg2,
- &addr);
- if (record_full_arch_list_add_mem
- (addr, linux_record_tdep_p->size_ulong))
- return -1;
- }
- goto record_regs;
- }
- break;
- }
- syscall_gdb
- = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
- if (syscall_gdb == gdb_sys_no_syscall)
- {
- gdb_printf (gdb_stderr,
- _("Process record and replay target doesn't "
- "support syscall number %s\n"),
- pulongest (syscall_native));
- return -1;
- }
- else
- {
- ret = record_linux_system_call (syscall_gdb, regcache,
- linux_record_tdep_p);
- if (ret)
- return ret;
- }
- record_regs:
- /* Record the return value of the system call. */
- if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
- return -1;
- return 0;
- }
- static int
- amd64_linux_syscall_record (struct regcache *regcache)
- {
- return amd64_linux_syscall_record_common (regcache,
- &amd64_linux_record_tdep);
- }
- static int
- amd64_x32_linux_syscall_record (struct regcache *regcache)
- {
- return amd64_linux_syscall_record_common (regcache,
- &amd64_x32_linux_record_tdep);
- }
- #define AMD64_LINUX_redzone 128
- #define AMD64_LINUX_xstate 512
- #define AMD64_LINUX_frame_size 560
- static int
- amd64_linux_record_signal (struct gdbarch *gdbarch,
- struct regcache *regcache,
- enum gdb_signal signal)
- {
- ULONGEST rsp;
- if (amd64_all_but_ip_registers_record (regcache))
- return -1;
- if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
- return -1;
- /* Record the change in the stack. */
- regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
- /* redzone
- sp -= 128; */
- rsp -= AMD64_LINUX_redzone;
- /* This is for xstate.
- sp -= sizeof (struct _fpstate); */
- rsp -= AMD64_LINUX_xstate;
- /* This is for frame_size.
- sp -= sizeof (struct rt_sigframe); */
- rsp -= AMD64_LINUX_frame_size;
- if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
- + AMD64_LINUX_xstate
- + AMD64_LINUX_frame_size))
- return -1;
- if (record_full_arch_list_add_end ())
- return -1;
- return 0;
- }
- const target_desc *
- amd64_linux_read_description (uint64_t xcr0_features_bit, bool is_x32)
- {
- static target_desc *amd64_linux_tdescs \
- [2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {};
- static target_desc *x32_linux_tdescs \
- [2/*AVX*/][2/*AVX512*/][2/*PKRU*/] = {};
- target_desc **tdesc;
- if (is_x32)
- {
- tdesc = &x32_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0 ]
- [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0]
- [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0];
- }
- else
- {
- tdesc = &amd64_linux_tdescs[(xcr0_features_bit & X86_XSTATE_AVX) ? 1 : 0]
- [(xcr0_features_bit & X86_XSTATE_MPX) ? 1 : 0]
- [(xcr0_features_bit & X86_XSTATE_AVX512) ? 1 : 0]
- [(xcr0_features_bit & X86_XSTATE_PKRU) ? 1 : 0];
- }
- if (*tdesc == NULL)
- *tdesc = amd64_create_target_description (xcr0_features_bit, is_x32,
- true, true);
- return *tdesc;
- }
- /* Get Linux/x86 target description from core dump. */
- static const struct target_desc *
- amd64_linux_core_read_description (struct gdbarch *gdbarch,
- struct target_ops *target,
- bfd *abfd)
- {
- /* Linux/x86-64. */
- uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
- return amd64_linux_read_description (xcr0 & X86_XSTATE_ALL_MASK,
- gdbarch_ptr_bit (gdbarch) == 32);
- }
- /* Similar to amd64_supply_fpregset, but use XSAVE extended state. */
- static void
- amd64_linux_supply_xstateregset (const struct regset *regset,
- struct regcache *regcache, int regnum,
- const void *xstateregs, size_t len)
- {
- amd64_supply_xsave (regcache, regnum, xstateregs);
- }
- /* Similar to amd64_collect_fpregset, but use XSAVE extended state. */
- static void
- amd64_linux_collect_xstateregset (const struct regset *regset,
- const struct regcache *regcache,
- int regnum, void *xstateregs, size_t len)
- {
- amd64_collect_xsave (regcache, regnum, xstateregs, 1);
- }
- static const struct regset amd64_linux_xstateregset =
- {
- NULL,
- amd64_linux_supply_xstateregset,
- amd64_linux_collect_xstateregset
- };
- /* Iterate over core file register note sections. */
- static void
- amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
- iterate_over_regset_sections_cb *cb,
- void *cb_data,
- const struct regcache *regcache)
- {
- i386_gdbarch_tdep *tdep = (i386_gdbarch_tdep *) gdbarch_tdep (gdbarch);
- cb (".reg", 27 * 8, 27 * 8, &i386_gregset, NULL, cb_data);
- cb (".reg2", 512, 512, &amd64_fpregset, NULL, cb_data);
- cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0), X86_XSTATE_SIZE (tdep->xcr0),
- &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
- }
- /* The instruction sequences used in x86_64 machines for a
- disabled is-enabled probe. */
- const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
- /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
- /* nop */ 0x90,
- /* nop */ 0x90
- };
- const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
- /* xor %rax, %rax */ 0x48, 0x33, 0xc0,
- /* ret */ 0xc3,
- /* nop */ 0x90
- };
- /* The instruction sequence used in x86_64 machines for enabling a
- DTrace is-enabled probe. */
- const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
- /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
- };
- /* The instruction sequence used in x86_64 machines for disabling a
- DTrace is-enabled probe. */
- const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
- /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
- };
- /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
- gdbarch.h. */
- static int
- amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
- {
- gdb_byte buf[5];
- /* This function returns 1 if the instructions at ADDR do _not_
- follow any of the amd64_dtrace_disabled_probe_sequence_*
- patterns.
- Note that ADDR is offset 3 bytes from the beginning of these
- sequences. */
-
- read_code (addr - 3, buf, 5);
- return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
- && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
- }
- /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
- gdbarch.h. */
- static void
- amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
- {
- /* Note also that ADDR is offset 3 bytes from the beginning of
- amd64_dtrace_enable_probe_sequence. */
- write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
- }
- /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
- gdbarch.h. */
- static void
- amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
- {
- /* Note also that ADDR is offset 3 bytes from the beginning of
- amd64_dtrace_disable_probe_sequence. */
- write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
- }
- /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
- in gdbarch.h. */
- static expr::operation_up
- amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
- int narg)
- {
- /* DTrace probe arguments can be found on the ABI-defined places for
- regular arguments at the current PC. The probe abstraction
- currently supports up to 12 arguments for probes. */
- using namespace expr;
- if (narg < 6)
- {
- static const int arg_reg_map[6] =
- {
- AMD64_RDI_REGNUM, /* Arg 1. */
- AMD64_RSI_REGNUM, /* Arg 2. */
- AMD64_RDX_REGNUM, /* Arg 3. */
- AMD64_RCX_REGNUM, /* Arg 4. */
- AMD64_R8_REGNUM, /* Arg 5. */
- AMD64_R9_REGNUM /* Arg 6. */
- };
- int regno = arg_reg_map[narg];
- const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
- return make_operation<register_operation> (regname);
- }
- else
- {
- /* Additional arguments are passed on the stack. */
- const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
- /* Displacement. */
- struct type *long_type = builtin_type (gdbarch)->builtin_long;
- operation_up disp = make_operation<long_const_operation> (long_type,
- narg - 6);
- /* Register: SP. */
- operation_up reg = make_operation<register_operation> (regname);
- operation_up add = make_operation<add_operation> (std::move (disp),
- std::move (reg));
- /* Cast to long. */
- operation_up cast = make_operation<unop_cast_operation> (std::move (add),
- long_type);
- return make_operation<unop_ind_operation> (std::move (cast));
- }
- }
- static void
- amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch,
- int num_disp_step_buffers)
- {
- i386_gdbarch_tdep *tdep = (i386_gdbarch_tdep *) gdbarch_tdep (gdbarch);
- linux_init_abi (info, gdbarch, num_disp_step_buffers);
- tdep->sigtramp_p = amd64_linux_sigtramp_p;
- tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
- tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
- tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
- tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
- /* Add the %orig_rax register used for syscall restarting. */
- set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
- tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
- /* Functions for 'catch syscall'. */
- set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
- set_gdbarch_get_syscall_number (gdbarch,
- amd64_linux_get_syscall_number);
- /* Enable TLS support. */
- set_gdbarch_fetch_tls_load_module_address (gdbarch,
- svr4_fetch_objfile_link_map);
- /* GNU/Linux uses SVR4-style shared libraries. */
- set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
- /* GNU/Linux uses the dynamic linker included in the GNU C Library. */
- set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
- /* Iterate over core file register note sections. */
- set_gdbarch_iterate_over_regset_sections
- (gdbarch, amd64_linux_iterate_over_regset_sections);
- set_gdbarch_core_read_description (gdbarch,
- amd64_linux_core_read_description);
- /* Displaced stepping. */
- set_gdbarch_displaced_step_copy_insn (gdbarch,
- amd64_displaced_step_copy_insn);
- set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
- set_gdbarch_process_record (gdbarch, i386_process_record);
- set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
- set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
- set_gdbarch_report_signal_info (gdbarch, i386_linux_report_signal_info);
- }
- static void
- amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
- {
- i386_gdbarch_tdep *tdep = (i386_gdbarch_tdep *) gdbarch_tdep (gdbarch);
- struct tdesc_arch_data *tdesc_data = info.tdesc_data;
- const struct tdesc_feature *feature;
- int valid_p;
- gdb_assert (tdesc_data);
- tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
- tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
- tdep->sizeof_gregset = 27 * 8;
- amd64_init_abi (info, gdbarch,
- amd64_linux_read_description (X86_XSTATE_SSE_MASK, false));
- const target_desc *tdesc = tdep->tdesc;
- /* Reserve a number for orig_rax. */
- set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
- if (feature == NULL)
- return;
- valid_p = tdesc_numbered_register (feature, tdesc_data,
- AMD64_LINUX_ORIG_RAX_REGNUM,
- "orig_rax");
- if (!valid_p)
- return;
- amd64_linux_init_abi_common (info, gdbarch, 2);
- /* Initialize the amd64_linux_record_tdep. */
- /* These values are the size of the type that will be used in a system
- call. They are obtained from Linux Kernel source. */
- amd64_linux_record_tdep.size_pointer
- = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_linux_record_tdep.size__old_kernel_stat = 32;
- amd64_linux_record_tdep.size_tms = 32;
- amd64_linux_record_tdep.size_loff_t = 8;
- amd64_linux_record_tdep.size_flock = 32;
- amd64_linux_record_tdep.size_oldold_utsname = 45;
- amd64_linux_record_tdep.size_ustat = 32;
- /* ADM64 doesn't need this size because it doesn't have sys_sigaction
- but sys_rt_sigaction. */
- amd64_linux_record_tdep.size_old_sigaction = 32;
- /* ADM64 doesn't need this size because it doesn't have sys_sigpending
- but sys_rt_sigpending. */
- amd64_linux_record_tdep.size_old_sigset_t = 8;
- amd64_linux_record_tdep.size_rlimit = 16;
- amd64_linux_record_tdep.size_rusage = 144;
- amd64_linux_record_tdep.size_timeval = 16;
- amd64_linux_record_tdep.size_timezone = 8;
- /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
- but sys_getgroups. */
- amd64_linux_record_tdep.size_old_gid_t = 2;
- /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
- but sys_getresuid. */
- amd64_linux_record_tdep.size_old_uid_t = 2;
- amd64_linux_record_tdep.size_fd_set = 128;
- /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
- amd64_linux_record_tdep.size_old_dirent = 280;
- amd64_linux_record_tdep.size_statfs = 120;
- amd64_linux_record_tdep.size_statfs64 = 120;
- amd64_linux_record_tdep.size_sockaddr = 16;
- amd64_linux_record_tdep.size_int
- = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_linux_record_tdep.size_long
- = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_linux_record_tdep.size_ulong
- = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_linux_record_tdep.size_msghdr = 56;
- amd64_linux_record_tdep.size_itimerval = 32;
- amd64_linux_record_tdep.size_stat = 144;
- amd64_linux_record_tdep.size_old_utsname = 325;
- amd64_linux_record_tdep.size_sysinfo = 112;
- amd64_linux_record_tdep.size_msqid_ds = 120;
- amd64_linux_record_tdep.size_shmid_ds = 112;
- amd64_linux_record_tdep.size_new_utsname = 390;
- amd64_linux_record_tdep.size_timex = 208;
- amd64_linux_record_tdep.size_mem_dqinfo = 24;
- amd64_linux_record_tdep.size_if_dqblk = 72;
- amd64_linux_record_tdep.size_fs_quota_stat = 80;
- amd64_linux_record_tdep.size_timespec = 16;
- amd64_linux_record_tdep.size_pollfd = 8;
- amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
- amd64_linux_record_tdep.size_knfsd_fh = 132;
- amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
- amd64_linux_record_tdep.size_sigaction = 32;
- amd64_linux_record_tdep.size_sigset_t = 8;
- amd64_linux_record_tdep.size_siginfo_t = 128;
- amd64_linux_record_tdep.size_cap_user_data_t = 8;
- amd64_linux_record_tdep.size_stack_t = 24;
- amd64_linux_record_tdep.size_off_t = 8;
- amd64_linux_record_tdep.size_stat64 = 144;
- amd64_linux_record_tdep.size_gid_t = 4;
- amd64_linux_record_tdep.size_uid_t = 4;
- amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
- amd64_linux_record_tdep.size_flock64 = 32;
- amd64_linux_record_tdep.size_user_desc = 16;
- amd64_linux_record_tdep.size_io_event = 32;
- amd64_linux_record_tdep.size_iocb = 64;
- amd64_linux_record_tdep.size_epoll_event = 12;
- amd64_linux_record_tdep.size_itimerspec = 32;
- amd64_linux_record_tdep.size_mq_attr = 64;
- amd64_linux_record_tdep.size_termios = 36;
- amd64_linux_record_tdep.size_termios2 = 44;
- amd64_linux_record_tdep.size_pid_t = 4;
- amd64_linux_record_tdep.size_winsize = 8;
- amd64_linux_record_tdep.size_serial_struct = 72;
- amd64_linux_record_tdep.size_serial_icounter_struct = 80;
- amd64_linux_record_tdep.size_hayes_esp_config = 12;
- amd64_linux_record_tdep.size_size_t = 8;
- amd64_linux_record_tdep.size_iovec = 16;
- amd64_linux_record_tdep.size_time_t = 8;
- /* These values are the second argument of system call "sys_fcntl"
- and "sys_fcntl64". They are obtained from Linux Kernel source. */
- amd64_linux_record_tdep.fcntl_F_GETLK = 5;
- amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
- amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
- amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
- amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
- amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
- amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
- amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
- amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
- amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
- /* These values are the second argument of system call "sys_ioctl".
- They are obtained from Linux Kernel source. */
- amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
- amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
- amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
- amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
- amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
- amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
- amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
- amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
- amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
- amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
- amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
- amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
- amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
- amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
- amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
- amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
- amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
- amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
- amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
- amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
- amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
- amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
- amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
- amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
- amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
- amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
- amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
- amd64_linux_record_tdep.ioctl_TIOCINQ
- = amd64_linux_record_tdep.ioctl_FIONREAD;
- amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
- amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
- amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
- amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
- amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
- amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
- amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
- amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
- amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
- amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
- amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
- amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
- amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
- amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
- amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
- amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
- amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
- amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
- amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
- amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
- amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
- amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
- amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
- amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
- amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
- amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
- amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
- amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
- amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
- amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
- amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
- amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
- amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
- amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
- amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
- amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
- amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
- tdep->i386_syscall_record = amd64_linux_syscall_record;
- /* GNU/Linux uses SVR4-style shared libraries. */
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, linux_lp64_fetch_link_map_offsets);
- /* Register DTrace handlers. */
- set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument);
- set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled);
- set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe);
- set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe);
- }
- static void
- amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
- {
- i386_gdbarch_tdep *tdep = (i386_gdbarch_tdep *) gdbarch_tdep (gdbarch);
- struct tdesc_arch_data *tdesc_data = info.tdesc_data;
- const struct tdesc_feature *feature;
- int valid_p;
- gdb_assert (tdesc_data);
- tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
- tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
- tdep->sizeof_gregset = 27 * 8;
- amd64_x32_init_abi (info, gdbarch,
- amd64_linux_read_description (X86_XSTATE_SSE_MASK,
- true));
- /* Reserve a number for orig_rax. */
- set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
- const target_desc *tdesc = tdep->tdesc;
- feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
- if (feature == NULL)
- return;
- valid_p = tdesc_numbered_register (feature, tdesc_data,
- AMD64_LINUX_ORIG_RAX_REGNUM,
- "orig_rax");
- if (!valid_p)
- return;
- amd64_linux_init_abi_common (info, gdbarch, 0);
- /* Initialize the amd64_x32_linux_record_tdep. */
- /* These values are the size of the type that will be used in a system
- call. They are obtained from Linux Kernel source. */
- amd64_x32_linux_record_tdep.size_pointer
- = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
- amd64_x32_linux_record_tdep.size_tms = 32;
- amd64_x32_linux_record_tdep.size_loff_t = 8;
- amd64_x32_linux_record_tdep.size_flock = 32;
- amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
- amd64_x32_linux_record_tdep.size_ustat = 32;
- /* ADM64 doesn't need this size because it doesn't have sys_sigaction
- but sys_rt_sigaction. */
- amd64_x32_linux_record_tdep.size_old_sigaction = 16;
- /* ADM64 doesn't need this size because it doesn't have sys_sigpending
- but sys_rt_sigpending. */
- amd64_x32_linux_record_tdep.size_old_sigset_t = 4;
- amd64_x32_linux_record_tdep.size_rlimit = 16;
- amd64_x32_linux_record_tdep.size_rusage = 144;
- amd64_x32_linux_record_tdep.size_timeval = 16;
- amd64_x32_linux_record_tdep.size_timezone = 8;
- /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
- but sys_getgroups. */
- amd64_x32_linux_record_tdep.size_old_gid_t = 2;
- /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
- but sys_getresuid. */
- amd64_x32_linux_record_tdep.size_old_uid_t = 2;
- amd64_x32_linux_record_tdep.size_fd_set = 128;
- /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
- amd64_x32_linux_record_tdep.size_old_dirent = 268;
- amd64_x32_linux_record_tdep.size_statfs = 120;
- amd64_x32_linux_record_tdep.size_statfs64 = 120;
- amd64_x32_linux_record_tdep.size_sockaddr = 16;
- amd64_x32_linux_record_tdep.size_int
- = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_x32_linux_record_tdep.size_long
- = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_x32_linux_record_tdep.size_ulong
- = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
- amd64_x32_linux_record_tdep.size_msghdr = 28;
- amd64_x32_linux_record_tdep.size_itimerval = 32;
- amd64_x32_linux_record_tdep.size_stat = 144;
- amd64_x32_linux_record_tdep.size_old_utsname = 325;
- amd64_x32_linux_record_tdep.size_sysinfo = 112;
- amd64_x32_linux_record_tdep.size_msqid_ds = 120;
- amd64_x32_linux_record_tdep.size_shmid_ds = 112;
- amd64_x32_linux_record_tdep.size_new_utsname = 390;
- amd64_x32_linux_record_tdep.size_timex = 208;
- amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
- amd64_x32_linux_record_tdep.size_if_dqblk = 72;
- amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
- amd64_x32_linux_record_tdep.size_timespec = 16;
- amd64_x32_linux_record_tdep.size_pollfd = 8;
- amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
- amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
- amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
- amd64_x32_linux_record_tdep.size_sigaction = 20;
- amd64_x32_linux_record_tdep.size_sigset_t = 8;
- amd64_x32_linux_record_tdep.size_siginfo_t = 128;
- amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
- amd64_x32_linux_record_tdep.size_stack_t = 12;
- amd64_x32_linux_record_tdep.size_off_t = 8;
- amd64_x32_linux_record_tdep.size_stat64 = 144;
- amd64_x32_linux_record_tdep.size_gid_t = 4;
- amd64_x32_linux_record_tdep.size_uid_t = 4;
- amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
- amd64_x32_linux_record_tdep.size_flock64 = 32;
- amd64_x32_linux_record_tdep.size_user_desc = 16;
- amd64_x32_linux_record_tdep.size_io_event = 32;
- amd64_x32_linux_record_tdep.size_iocb = 64;
- amd64_x32_linux_record_tdep.size_epoll_event = 12;
- amd64_x32_linux_record_tdep.size_itimerspec = 32;
- amd64_x32_linux_record_tdep.size_mq_attr = 64;
- amd64_x32_linux_record_tdep.size_termios = 36;
- amd64_x32_linux_record_tdep.size_termios2 = 44;
- amd64_x32_linux_record_tdep.size_pid_t = 4;
- amd64_x32_linux_record_tdep.size_winsize = 8;
- amd64_x32_linux_record_tdep.size_serial_struct = 72;
- amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
- amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
- amd64_x32_linux_record_tdep.size_size_t = 4;
- amd64_x32_linux_record_tdep.size_iovec = 8;
- amd64_x32_linux_record_tdep.size_time_t = 8;
- /* These values are the second argument of system call "sys_fcntl"
- and "sys_fcntl64". They are obtained from Linux Kernel source. */
- amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
- amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
- amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
- amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
- amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
- amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
- amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
- amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
- amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
- amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
- /* These values are the second argument of system call "sys_ioctl".
- They are obtained from Linux Kernel source. */
- amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
- amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
- amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
- amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
- amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
- amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
- amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
- amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
- amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
- amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
- amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
- amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
- amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
- amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
- amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
- amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
- amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
- amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
- amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
- amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
- amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
- amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
- amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
- amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
- amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
- amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
- amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
- amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
- amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
- amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
- amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
- amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
- amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
- amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
- amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
- amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
- amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
- amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
- amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
- amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
- amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
- amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
- amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
- amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
- amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
- amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
- amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
- amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
- amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
- amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
- amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
- amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
- amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
- amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
- amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
- amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
- amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
- amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
- amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
- tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
- /* GNU/Linux uses SVR4-style shared libraries. */
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, linux_ilp32_fetch_link_map_offsets);
- }
- void _initialize_amd64_linux_tdep ();
- void
- _initialize_amd64_linux_tdep ()
- {
- gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
- GDB_OSABI_LINUX, amd64_linux_init_abi);
- gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
- GDB_OSABI_LINUX, amd64_x32_linux_init_abi);
- }
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