X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Famd64-linux-tdep.c;h=07820a05597053668baa001d97e2fe8a7c142067;hb=4c6ee6465acc58f0f86c44668c4e862901186239;hp=84b58a0031f5ec7e7bd9d628b362c4af7a58fd4b;hpb=9ed936ec4704c1d9347f89f25009260f384062e9;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c index 84b58a0031..07820a0559 100644 --- a/gdb/amd64-linux-tdep.c +++ b/gdb/amd64-linux-tdep.c @@ -1,7 +1,6 @@ /* Target-dependent code for GNU/Linux x86-64. - Copyright (C) 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Free Software Foundation, Inc. + Copyright (C) 2001-2020 Free Software Foundation, Inc. Contributed by Jiri Smid, SuSE Labs. This file is part of GDB. @@ -29,35 +28,26 @@ #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 "i386-xstate.h" - -#include "gdb_string.h" +#include "gdbsupport/x86-xstate.h" #include "amd64-tdep.h" #include "solib-svr4.h" #include "xml-syscall.h" - -#include "features/i386/amd64-linux.c" -#include "features/i386/amd64-avx-linux.c" +#include "glibc-tdep.h" +#include "arch/amd64.h" +#include "target-descriptions.h" /* The syscall's XML filename for i386. */ #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml" -#include "record.h" +#include "record-full.h" #include "linux-record.h" -/* Supported register note sections. */ -static struct core_regset_section amd64_linux_regset_sections[] = -{ - { ".reg", 27 * 8, "general-purpose" }, - { ".reg2", 512, "floating-point" }, - { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" }, - { NULL, 0 } -}; - /* Mapping between the general-purpose registers in `struct user' format and GDB's register cache layout. */ @@ -94,7 +84,22 @@ int amd64_linux_gregset_reg_offset[] = -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, - 15 * 8 /* "orig_rax" */ + -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" */ }; @@ -105,7 +110,7 @@ int amd64_linux_gregset_reg_offset[] = #define LINUX_SIGTRAMP_INSN1 0x0f /* syscall */ #define LINUX_SIGTRAMP_OFFSET1 7 -static const gdb_byte linux_sigtramp_code[] = +static const gdb_byte amd64_linux_sigtramp_code[] = { /* mov $__NR_rt_sigreturn, %rax */ LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00, @@ -113,7 +118,15 @@ static const gdb_byte linux_sigtramp_code[] = LINUX_SIGTRAMP_INSN1, 0x05 }; -#define LINUX_SIGTRAMP_LEN (sizeof linux_sigtramp_code) +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. */ @@ -121,6 +134,8 @@ static const gdb_byte linux_sigtramp_code[] = 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]; @@ -144,7 +159,12 @@ amd64_linux_sigtramp_start (struct frame_info *this_frame) return 0; } - if (memcmp (buf, linux_sigtramp_code, LINUX_SIGTRAMP_LEN) != 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; @@ -157,7 +177,7 @@ static int amd64_linux_sigtramp_p (struct frame_info *this_frame) { CORE_ADDR pc = get_frame_pc (this_frame); - char *name; + const char *name; find_pc_partial_function (pc, &name, NULL, NULL); @@ -202,9 +222,9 @@ amd64_linux_sigcontext_addr (struct frame_info *this_frame) static LONGEST amd64_linux_get_syscall_number (struct gdbarch *gdbarch, - ptid_t ptid) + thread_info *thread) { - struct regcache *regcache = get_thread_regcache (ptid); + 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]; @@ -214,7 +234,7 @@ amd64_linux_get_syscall_number (struct gdbarch *gdbarch, /* Getting the system call number from the register. When dealing with x86_64 architecture, this information is stored at %rax register. */ - regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf); + regcache->cooked_read (AMD64_LINUX_ORIG_RAX_REGNUM, buf); ret = extract_signed_integer (buf, 8, byte_order); @@ -260,7 +280,9 @@ static int amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *group) { - if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM) + 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); @@ -296,39 +318,39 @@ amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) static int amd64_all_but_ip_registers_record (struct regcache *regcache) { - if (record_arch_list_add_reg (regcache, AMD64_RAX_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RDX_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RBX_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RSP_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RBP_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RSI_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RDI_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R8_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R9_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R10_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R12_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R13_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R14_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R15_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM)) return -1; return 0; @@ -341,853 +363,1126 @@ amd64_all_but_ip_registers_record (struct regcache *regcache) 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: - return -1; /* Note */ + 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 -1; + 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_arch_list". This instruction is "syscall". + "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 (struct regcache *regcache) +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 = -1; + 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, amd64_linux_record_tdep.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, - amd64_linux_record_tdep.arg2, + linux_record_tdep_p->arg2, &addr); - if (record_arch_list_add_mem (addr, - amd64_linux_record_tdep.size_ulong)) + if (record_full_arch_list_add_mem + (addr, linux_record_tdep_p->size_ulong)) return -1; } goto record_regs; @@ -1195,9 +1490,10 @@ amd64_linux_syscall_record (struct regcache *regcache) break; } - syscall_gdb = amd64_canonicalize_syscall (syscall_native); + syscall_gdb + = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native); - if (syscall_gdb < 0) + if (syscall_gdb == gdb_sys_no_syscall) { printf_unfiltered (_("Process record and replay target doesn't " "support syscall number %s\n"), @@ -1207,36 +1503,50 @@ amd64_linux_syscall_record (struct regcache *regcache) else { ret = record_linux_system_call (syscall_gdb, regcache, - &amd64_linux_record_tdep); + linux_record_tdep_p); if (ret) return ret; } record_regs: /* Record the return value of the system call. */ - if (record_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM)) + 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 -int +static int amd64_linux_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, - enum target_signal signal) + enum gdb_signal signal) { ULONGEST rsp; if (amd64_all_but_ip_registers_record (regcache)) return -1; - if (record_arch_list_add_reg (regcache, AMD64_RIP_REGNUM)) + if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM)) return -1; /* Record the change in the stack. */ @@ -1250,17 +1560,46 @@ amd64_linux_record_signal (struct gdbarch *gdbarch, /* This is for frame_size. sp -= sizeof (struct rt_sigframe); */ rsp -= AMD64_LINUX_frame_size; - if (record_arch_list_add_mem (rsp, AMD64_LINUX_redzone + if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone + AMD64_LINUX_xstate + AMD64_LINUX_frame_size)) return -1; - if (record_arch_list_add_end ()) + 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*/] = {}; + + 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]; + } + 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 * @@ -1269,51 +1608,198 @@ amd64_linux_core_read_description (struct gdbarch *gdbarch, bfd *abfd) { /* Linux/x86-64. */ - uint64_t xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd); - switch ((xcr0 & I386_XSTATE_AVX_MASK)) - { - case I386_XSTATE_AVX_MASK: - return tdesc_amd64_avx_linux; - default: - return tdesc_amd64_linux; - } + 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_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) +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) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); - const struct target_desc *tdesc = info.target_desc; - struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info; - const struct tdesc_feature *feature; - int valid_p; - gdb_assert (tdesc_data); + 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); +} - linux_init_abi (info, gdbarch); +/* The instruction sequences used in x86_64 machines for a + disabled is-enabled probe. */ - 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; +const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = { + /* xor %rax, %rax */ 0x48, 0x33, 0xc0, + /* nop */ 0x90, + /* nop */ 0x90 +}; - amd64_init_abi (info, gdbarch); +const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = { + /* xor %rax, %rax */ 0x48, 0x33, 0xc0, + /* ret */ 0xc3, + /* nop */ 0x90 +}; - /* Reserve a number for orig_rax. */ - set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS); +/* The instruction sequence used in x86_64 machines for enabling a + DTrace is-enabled probe. */ - if (! tdesc_has_registers (tdesc)) - tdesc = tdesc_amd64_linux; - tdep->tdesc = tdesc; +const gdb_byte amd64_dtrace_enable_probe_sequence[] = { + /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00 +}; - feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux"); - if (feature == NULL) - return; +/* The instruction sequence used in x86_64 machines for disabling a + DTrace is-enabled probe. */ - valid_p = tdesc_numbered_register (feature, tdesc_data, - AMD64_LINUX_ORIG_RAX_REGNUM, - "orig_rax"); - if (!valid_p) - return; +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 void +amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch, + struct expr_builder *builder, + int narg) +{ + struct stoken str; + + /* 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. */ + + 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); + + write_exp_elt_opcode (builder, OP_REGISTER); + str.ptr = regname; + str.length = strlen (regname); + write_exp_string (builder, str); + write_exp_elt_opcode (builder, OP_REGISTER); + } + else + { + /* Additional arguments are passed on the stack. */ + const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM); + + /* Displacement. */ + write_exp_elt_opcode (builder, OP_LONG); + write_exp_elt_type (builder, builtin_type (gdbarch)->builtin_long); + write_exp_elt_longcst (builder, narg - 6); + write_exp_elt_opcode (builder, OP_LONG); + + /* Register: SP. */ + write_exp_elt_opcode (builder, OP_REGISTER); + str.ptr = regname; + str.length = strlen (regname); + write_exp_string (builder, str); + write_exp_elt_opcode (builder, OP_REGISTER); + + write_exp_elt_opcode (builder, BINOP_ADD); + + /* Cast to long. */ + write_exp_elt_opcode (builder, UNOP_CAST); + write_exp_elt_type (builder, + lookup_pointer_type (builtin_type (gdbarch)->builtin_long)); + write_exp_elt_opcode (builder, UNOP_CAST); + + write_exp_elt_opcode (builder, UNOP_IND); + } +} + +static void +amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + + linux_init_abi (info, gdbarch); tdep->sigtramp_p = amd64_linux_sigtramp_p; tdep->sigcontext_addr = amd64_linux_sigcontext_addr; @@ -1322,17 +1808,13 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET; - /* GNU/Linux uses SVR4-style shared libraries. */ - set_solib_svr4_fetch_link_map_offsets - (gdbarch, svr4_lp64_fetch_link_map_offsets); - /* 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 (XML_SYSCALL_FILENAME_AMD64); + set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64); set_gdbarch_get_syscall_number (gdbarch, amd64_linux_get_syscall_number); @@ -1343,8 +1825,12 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* GNU/Linux uses SVR4-style shared libraries. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); - /* Install supported register note sections. */ - set_gdbarch_core_regset_sections (gdbarch, amd64_linux_regset_sections); + /* 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); @@ -1353,16 +1839,51 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_displaced_step_copy_insn (gdbarch, amd64_displaced_step_copy_insn); set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup); - set_gdbarch_displaced_step_free_closure (gdbarch, - simple_displaced_step_free_closure); set_gdbarch_displaced_step_location (gdbarch, - displaced_step_at_entry_point); - - set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type); + linux_displaced_step_location); 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_handle_segmentation_fault (gdbarch, + i386_linux_handle_segmentation_fault); +} + +static void +amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) +{ + struct gdbarch_tdep *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); + /* 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. */ @@ -1376,10 +1897,10 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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 = 152; + 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 = 128; + 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; @@ -1391,8 +1912,8 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) but sys_getresuid. */ amd64_linux_record_tdep.size_old_uid_t = 2; amd64_linux_record_tdep.size_fd_set = 128; - amd64_linux_record_tdep.size_dirent = 280; - amd64_linux_record_tdep.size_dirent64 = 280; + /* 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; @@ -1419,8 +1940,8 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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 = 152; - amd64_linux_record_tdep.size_sigset_t = 128; + 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; @@ -1436,8 +1957,7 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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_siginfo = 128; - amd64_linux_record_tdep.size_termios = 60; + 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; @@ -1446,6 +1966,21 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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. */ @@ -1516,34 +2051,232 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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, svr4_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) +{ + struct gdbarch_tdep *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); + + /* 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_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_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; - 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_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; - tdep->i386_syscall_record = amd64_linux_syscall_record; + /* GNU/Linux uses SVR4-style shared libraries. */ + set_solib_svr4_fetch_link_map_offsets + (gdbarch, svr4_ilp32_fetch_link_map_offsets); } - - -/* Provide a prototype to silence -Wmissing-prototypes. */ -extern void _initialize_amd64_linux_tdep (void); void _initialize_amd64_linux_tdep (void) { gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, GDB_OSABI_LINUX, amd64_linux_init_abi); - - /* Initialize the Linux target description. */ - initialize_tdesc_amd64_linux (); - initialize_tdesc_amd64_avx_linux (); + gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32, + GDB_OSABI_LINUX, amd64_x32_linux_init_abi); }