X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fi386-linux-tdep.c;h=163b03607d21bfef64a97200de18147930d9e59e;hb=50ef67b36b1d2c7d0963c93cae32bc2b32ddc15a;hp=e76585d7e8ef87699bb3214a4e902b28c0cbe7e8;hpb=6aba47ca06d9150c6196a374b745c2711b46e045;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c index e76585d7e8..163b03607d 100644 --- a/gdb/i386-linux-tdep.c +++ b/gdb/i386-linux-tdep.c @@ -1,13 +1,13 @@ /* Target-dependent code for GNU/Linux i386. - Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007 + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc. 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 2 of the License, or + 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, @@ -16,9 +16,7 @@ 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, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #include "defs.h" #include "gdbcore.h" @@ -33,20 +31,36 @@ #include "i386-tdep.h" #include "i386-linux-tdep.h" +#include "linux-tdep.h" #include "glibc-tdep.h" #include "solib-svr4.h" #include "symtab.h" +#include "arch-utils.h" +#include "regset.h" + +#include "record.h" +#include "linux-record.h" +#include + +/* Supported register note sections. */ +static struct core_regset_section i386_linux_regset_sections[] = +{ + { ".reg", 144 }, + { ".reg2", 108 }, + { ".reg-xfp", 512 }, + { NULL, 0 } +}; /* Return the name of register REG. */ static const char * -i386_linux_register_name (int reg) +i386_linux_register_name (struct gdbarch *gdbarch, int reg) { /* Deal with the extra "orig_eax" pseudo register. */ if (reg == I386_LINUX_ORIG_EAX_REGNUM) return "orig_eax"; - return i386_register_name (reg); + return i386_register_name (gdbarch, reg); } /* Return non-zero, when the register is in the corresponding register @@ -117,13 +131,13 @@ static const gdb_byte linux_sigtramp_code[] = #define LINUX_SIGTRAMP_LEN (sizeof linux_sigtramp_code) -/* If NEXT_FRAME unwinds into a sigtramp routine, return the address - of the start of the routine. Otherwise, return 0. */ +/* If THIS_FRAME is a sigtramp routine, return the address of the + start of the routine. Otherwise, return 0. */ static CORE_ADDR -i386_linux_sigtramp_start (struct frame_info *next_frame) +i386_linux_sigtramp_start (struct frame_info *this_frame) { - CORE_ADDR pc = frame_pc_unwind (next_frame); + 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 @@ -133,7 +147,7 @@ i386_linux_sigtramp_start (struct frame_info *next_frame) 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 (next_frame, pc, buf, LINUX_SIGTRAMP_LEN)) + if (!safe_frame_unwind_memory (this_frame, pc, buf, LINUX_SIGTRAMP_LEN)) return 0; if (buf[0] != LINUX_SIGTRAMP_INSN0) @@ -154,7 +168,7 @@ i386_linux_sigtramp_start (struct frame_info *next_frame) pc -= adjust; - if (!safe_frame_unwind_memory (next_frame, pc, buf, LINUX_SIGTRAMP_LEN)) + if (!safe_frame_unwind_memory (this_frame, pc, buf, LINUX_SIGTRAMP_LEN)) return 0; } @@ -185,13 +199,13 @@ static const gdb_byte linux_rt_sigtramp_code[] = #define LINUX_RT_SIGTRAMP_LEN (sizeof linux_rt_sigtramp_code) -/* If NEXT_FRAME unwinds into an RT sigtramp routine, return the - address of the start of the routine. Otherwise, return 0. */ +/* If THIS_FRAME is an RT sigtramp routine, return the address of the + start of the routine. Otherwise, return 0. */ static CORE_ADDR -i386_linux_rt_sigtramp_start (struct frame_info *next_frame) +i386_linux_rt_sigtramp_start (struct frame_info *this_frame) { - CORE_ADDR pc = frame_pc_unwind (next_frame); + CORE_ADDR pc = get_frame_pc (this_frame); gdb_byte buf[LINUX_RT_SIGTRAMP_LEN]; /* We only recognize a signal trampoline if PC is at the start of @@ -201,7 +215,7 @@ i386_linux_rt_sigtramp_start (struct frame_info *next_frame) 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 (next_frame, pc, buf, LINUX_RT_SIGTRAMP_LEN)) + if (!safe_frame_unwind_memory (this_frame, pc, buf, LINUX_RT_SIGTRAMP_LEN)) return 0; if (buf[0] != LINUX_RT_SIGTRAMP_INSN0) @@ -211,7 +225,7 @@ i386_linux_rt_sigtramp_start (struct frame_info *next_frame) pc -= LINUX_RT_SIGTRAMP_OFFSET1; - if (!safe_frame_unwind_memory (next_frame, pc, buf, + if (!safe_frame_unwind_memory (this_frame, pc, buf, LINUX_RT_SIGTRAMP_LEN)) return 0; } @@ -222,13 +236,13 @@ i386_linux_rt_sigtramp_start (struct frame_info *next_frame) return pc; } -/* Return whether the frame preceding NEXT_FRAME corresponds to a - GNU/Linux sigtramp routine. */ +/* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp + routine. */ static int -i386_linux_sigtramp_p (struct frame_info *next_frame) +i386_linux_sigtramp_p (struct frame_info *this_frame) { - CORE_ADDR pc = frame_pc_unwind (next_frame); + CORE_ADDR pc = get_frame_pc (this_frame); char *name; find_pc_partial_function (pc, &name, NULL, NULL); @@ -239,21 +253,21 @@ i386_linux_sigtramp_p (struct frame_info *next_frame) 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 (i386_linux_sigtramp_start (next_frame) != 0 - || i386_linux_rt_sigtramp_start (next_frame) != 0); + return (i386_linux_sigtramp_start (this_frame) != 0 + || i386_linux_rt_sigtramp_start (this_frame) != 0); return (strcmp ("__restore", name) == 0 || strcmp ("__restore_rt", name) == 0); } -/* Return one if the unwound PC from NEXT_FRAME is in a signal trampoline - which may have DWARF-2 CFI. */ +/* Return one if the PC of THIS_FRAME is in a signal trampoline which + may have DWARF-2 CFI. */ static int i386_linux_dwarf_signal_frame_p (struct gdbarch *gdbarch, - struct frame_info *next_frame) + struct frame_info *this_frame) { - CORE_ADDR pc = frame_pc_unwind (next_frame); + CORE_ADDR pc = get_frame_pc (this_frame); char *name; find_pc_partial_function (pc, &name, NULL, NULL); @@ -270,20 +284,20 @@ i386_linux_dwarf_signal_frame_p (struct gdbarch *gdbarch, /* Offset to struct sigcontext in ucontext, from . */ #define I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 20 -/* Assuming NEXT_FRAME is a frame following a GNU/Linux sigtramp - routine, return the address of the associated sigcontext structure. */ +/* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the + address of the associated sigcontext structure. */ static CORE_ADDR -i386_linux_sigcontext_addr (struct frame_info *next_frame) +i386_linux_sigcontext_addr (struct frame_info *this_frame) { CORE_ADDR pc; CORE_ADDR sp; gdb_byte buf[4]; - frame_unwind_register (next_frame, I386_ESP_REGNUM, buf); + get_frame_register (this_frame, I386_ESP_REGNUM, buf); sp = extract_unsigned_integer (buf, 4); - pc = i386_linux_sigtramp_start (next_frame); + pc = i386_linux_sigtramp_start (this_frame); if (pc) { /* The sigcontext structure lives on the stack, right after @@ -292,12 +306,12 @@ i386_linux_sigcontext_addr (struct frame_info *next_frame) pointer. Keep in mind that the first instruction of the sigtramp code is "pop %eax". If the PC is after this instruction, adjust the returned value accordingly. */ - if (pc == frame_pc_unwind (next_frame)) + if (pc == get_frame_pc (this_frame)) return sp + 4; return sp; } - pc = i386_linux_rt_sigtramp_start (next_frame); + pc = i386_linux_rt_sigtramp_start (this_frame); if (pc) { CORE_ADDR ucontext_addr; @@ -317,9 +331,9 @@ i386_linux_sigcontext_addr (struct frame_info *next_frame) /* Set the program counter for process PTID to PC. */ static void -i386_linux_write_pc (CORE_ADDR pc, ptid_t ptid) +i386_linux_write_pc (struct regcache *regcache, CORE_ADDR pc) { - write_register_pid (I386_EIP_REGNUM, pc, ptid); + regcache_cooked_write_unsigned (regcache, I386_EIP_REGNUM, pc); /* We must be careful with modifying the program counter. If we just interrupted a system call, the kernel might try to restart @@ -335,7 +349,36 @@ i386_linux_write_pc (CORE_ADDR pc, ptid_t ptid) 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. */ - write_register_pid (I386_LINUX_ORIG_EAX_REGNUM, -1, ptid); + regcache_cooked_write_unsigned (regcache, I386_LINUX_ORIG_EAX_REGNUM, -1); +} + +/* 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 "int 0x80" (Linux + Kernel2.4) or "sysenter" (Linux Kernel 2.6). + + Return -1 if something wrong. */ + +static struct linux_record_tdep i386_linux_record_tdep; + +static int +i386_linux_intx80_sysenter_record (struct regcache *regcache) +{ + int ret; + uint32_t tmpu32; + + regcache_raw_read (regcache, I386_EAX_REGNUM, (gdb_byte *)&tmpu32); + + ret = record_linux_system_call (tmpu32, regcache, + &i386_linux_record_tdep); + if (ret) + return ret; + + /* Record the return value of the system call. */ + if (record_arch_list_add_reg (regcache, I386_EAX_REGNUM)) + return -1; + + return 0; } @@ -404,6 +447,153 @@ static int i386_linux_sc_reg_offset[] = 0 * 4 /* %gs */ }; +/* These macros are the size of the type that will be used in a system + call. The values of these macros were obtained from Linux Kernel + source. */ +#define I386_LINUX_RECORD_SIZE__old_kernel_stat 32 +#define I386_LINUX_RECORD_SIZE_tms 16 +#define I386_LINUX_RECORD_SIZE_loff_t 8 +#define I386_LINUX_RECORD_SIZE_flock 16 +#define I386_LINUX_RECORD_SIZE_oldold_utsname 45 +#define I386_LINUX_RECORD_SIZE_ustat 20 +#define I386_LINUX_RECORD_SIZE_old_sigaction 140 +#define I386_LINUX_RECORD_SIZE_old_sigset_t 128 +#define I386_LINUX_RECORD_SIZE_rlimit 8 +#define I386_LINUX_RECORD_SIZE_rusage 72 +#define I386_LINUX_RECORD_SIZE_timeval 8 +#define I386_LINUX_RECORD_SIZE_timezone 8 +#define I386_LINUX_RECORD_SIZE_old_gid_t 2 +#define I386_LINUX_RECORD_SIZE_old_uid_t 2 +#define I386_LINUX_RECORD_SIZE_fd_set 128 +#define I386_LINUX_RECORD_SIZE_dirent 268 +#define I386_LINUX_RECORD_SIZE_dirent64 276 +#define I386_LINUX_RECORD_SIZE_statfs 64 +#define I386_LINUX_RECORD_SIZE_statfs64 84 +#define I386_LINUX_RECORD_SIZE_sockaddr 16 +#define I386_LINUX_RECORD_SIZE_int 4 +#define I386_LINUX_RECORD_SIZE_long 4 +#define I386_LINUX_RECORD_SIZE_ulong 4 +#define I386_LINUX_RECORD_SIZE_msghdr 28 +#define I386_LINUX_RECORD_SIZE_itimerval 16 +#define I386_LINUX_RECORD_SIZE_stat 88 +#define I386_LINUX_RECORD_SIZE_old_utsname 325 +#define I386_LINUX_RECORD_SIZE_sysinfo 64 +#define I386_LINUX_RECORD_SIZE_msqid_ds 88 +#define I386_LINUX_RECORD_SIZE_shmid_ds 84 +#define I386_LINUX_RECORD_SIZE_new_utsname 390 +#define I386_LINUX_RECORD_SIZE_timex 128 +#define I386_LINUX_RECORD_SIZE_mem_dqinfo 24 +#define I386_LINUX_RECORD_SIZE_if_dqblk 68 +#define I386_LINUX_RECORD_SIZE_fs_quota_stat 68 +#define I386_LINUX_RECORD_SIZE_timespec 8 +#define I386_LINUX_RECORD_SIZE_pollfd 8 +#define I386_LINUX_RECORD_SIZE_NFS_FHSIZE 32 +#define I386_LINUX_RECORD_SIZE_knfsd_fh 132 +#define I386_LINUX_RECORD_SIZE_TASK_COMM_LEN 16 +#define I386_LINUX_RECORD_SIZE_sigaction 140 +#define I386_LINUX_RECORD_SIZE_sigset_t 8 +#define I386_LINUX_RECORD_SIZE_siginfo_t 128 +#define I386_LINUX_RECORD_SIZE_cap_user_data_t 12 +#define I386_LINUX_RECORD_SIZE_stack_t 12 +#define I386_LINUX_RECORD_SIZE_off_t I386_LINUX_RECORD_SIZE_long +#define I386_LINUX_RECORD_SIZE_stat64 96 +#define I386_LINUX_RECORD_SIZE_gid_t 2 +#define I386_LINUX_RECORD_SIZE_uid_t 2 +#define I386_LINUX_RECORD_SIZE_PAGE_SIZE 4096 +#define I386_LINUX_RECORD_SIZE_flock64 24 +#define I386_LINUX_RECORD_SIZE_user_desc 16 +#define I386_LINUX_RECORD_SIZE_io_event 32 +#define I386_LINUX_RECORD_SIZE_iocb 64 +#define I386_LINUX_RECORD_SIZE_epoll_event 12 +#define I386_LINUX_RECORD_SIZE_itimerspec (I386_LINUX_RECORD_SIZE_timespec * 2) +#define I386_LINUX_RECORD_SIZE_mq_attr 32 +#define I386_LINUX_RECORD_SIZE_siginfo 128 +#define I386_LINUX_RECORD_SIZE_termios 36 +#define I386_LINUX_RECORD_SIZE_termios2 44 +#define I386_LINUX_RECORD_SIZE_pid_t 4 +#define I386_LINUX_RECORD_SIZE_winsize 8 +#define I386_LINUX_RECORD_SIZE_char 8 +#define I386_LINUX_RECORD_SIZE_serial_struct 60 +#define I386_LINUX_RECORD_SIZE_serial_icounter_struct 80 +#define I386_LINUX_RECORD_SIZE_hayes_esp_config 12 + +/* These macros are the values of the second argument of system call + "sys_ioctl". The values of these macros were obtained from Linux + Kernel source. */ +#define I386_LINUX_RECORD_IOCTL_TCGETS 0x5401 +#define I386_LINUX_RECORD_IOCTL_TCSETS 0x5402 +#define I386_LINUX_RECORD_IOCTL_TCSETSW 0x5403 +#define I386_LINUX_RECORD_IOCTL_TCSETSF 0x5404 +#define I386_LINUX_RECORD_IOCTL_TCGETA 0x5405 +#define I386_LINUX_RECORD_IOCTL_TCSETA 0x5406 +#define I386_LINUX_RECORD_IOCTL_TCSETAW 0x5407 +#define I386_LINUX_RECORD_IOCTL_TCSETAF 0x5408 +#define I386_LINUX_RECORD_IOCTL_TCSBRK 0x5409 +#define I386_LINUX_RECORD_IOCTL_TCXONC 0x540A +#define I386_LINUX_RECORD_IOCTL_TCFLSH 0x540B +#define I386_LINUX_RECORD_IOCTL_TIOCEXCL 0x540C +#define I386_LINUX_RECORD_IOCTL_TIOCNXCL 0x540D +#define I386_LINUX_RECORD_IOCTL_TIOCSCTTY 0x540E +#define I386_LINUX_RECORD_IOCTL_TIOCGPGRP 0x540F +#define I386_LINUX_RECORD_IOCTL_TIOCSPGRP 0x5410 +#define I386_LINUX_RECORD_IOCTL_TIOCOUTQ 0x5411 +#define I386_LINUX_RECORD_IOCTL_TIOCSTI 0x5412 +#define I386_LINUX_RECORD_IOCTL_TIOCGWINSZ 0x5413 +#define I386_LINUX_RECORD_IOCTL_TIOCSWINSZ 0x5414 +#define I386_LINUX_RECORD_IOCTL_TIOCMGET 0x5415 +#define I386_LINUX_RECORD_IOCTL_TIOCMBIS 0x5416 +#define I386_LINUX_RECORD_IOCTL_TIOCMBIC 0x5417 +#define I386_LINUX_RECORD_IOCTL_TIOCMSET 0x5418 +#define I386_LINUX_RECORD_IOCTL_TIOCGSOFTCAR 0x5419 +#define I386_LINUX_RECORD_IOCTL_TIOCSSOFTCAR 0x541A +#define I386_LINUX_RECORD_IOCTL_FIONREAD 0x541B +#define I386_LINUX_RECORD_IOCTL_TIOCINQ I386_LINUX_RECORD_IOCTL_FIONREAD +#define I386_LINUX_RECORD_IOCTL_TIOCLINUX 0x541C +#define I386_LINUX_RECORD_IOCTL_TIOCCONS 0x541D +#define I386_LINUX_RECORD_IOCTL_TIOCGSERIAL 0x541E +#define I386_LINUX_RECORD_IOCTL_TIOCSSERIAL 0x541F +#define I386_LINUX_RECORD_IOCTL_TIOCPKT 0x5420 +#define I386_LINUX_RECORD_IOCTL_FIONBIO 0x5421 +#define I386_LINUX_RECORD_IOCTL_TIOCNOTTY 0x5422 +#define I386_LINUX_RECORD_IOCTL_TIOCSETD 0x5423 +#define I386_LINUX_RECORD_IOCTL_TIOCGETD 0x5424 +#define I386_LINUX_RECORD_IOCTL_TCSBRKP 0x5425 +#define I386_LINUX_RECORD_IOCTL_TIOCTTYGSTRUCT 0x5426 +#define I386_LINUX_RECORD_IOCTL_TIOCSBRK 0x5427 +#define I386_LINUX_RECORD_IOCTL_TIOCCBRK 0x5428 +#define I386_LINUX_RECORD_IOCTL_TIOCGSID 0x5429 +#define I386_LINUX_RECORD_IOCTL_TCGETS2 0x802c542a +#define I386_LINUX_RECORD_IOCTL_TCSETS2 0x402c542b +#define I386_LINUX_RECORD_IOCTL_TCSETSW2 0x402c542c +#define I386_LINUX_RECORD_IOCTL_TCSETSF2 0x402c542d +#define I386_LINUX_RECORD_IOCTL_TIOCGPTN 0x80045430 +#define I386_LINUX_RECORD_IOCTL_TIOCSPTLCK 0x40045431 +#define I386_LINUX_RECORD_IOCTL_FIONCLEX 0x5450 +#define I386_LINUX_RECORD_IOCTL_FIOCLEX 0x5451 +#define I386_LINUX_RECORD_IOCTL_FIOASYNC 0x5452 +#define I386_LINUX_RECORD_IOCTL_TIOCSERCONFIG 0x5453 +#define I386_LINUX_RECORD_IOCTL_TIOCSERGWILD 0x5454 +#define I386_LINUX_RECORD_IOCTL_TIOCSERSWILD 0x5455 +#define I386_LINUX_RECORD_IOCTL_TIOCGLCKTRMIOS 0x5456 +#define I386_LINUX_RECORD_IOCTL_TIOCSLCKTRMIOS 0x5457 +#define I386_LINUX_RECORD_IOCTL_TIOCSERGSTRUCT 0x5458 +#define I386_LINUX_RECORD_IOCTL_TIOCSERGETLSR 0x5459 +#define I386_LINUX_RECORD_IOCTL_TIOCSERGETMULTI 0x545A +#define I386_LINUX_RECORD_IOCTL_TIOCSERSETMULTI 0x545B +#define I386_LINUX_RECORD_IOCTL_TIOCMIWAIT 0x545C +#define I386_LINUX_RECORD_IOCTL_TIOCGICOUNT 0x545D +#define I386_LINUX_RECORD_IOCTL_TIOCGHAYESESP 0x545E +#define I386_LINUX_RECORD_IOCTL_TIOCSHAYESESP 0x545F +#define I386_LINUX_RECORD_IOCTL_FIOQSIZE 0x5460 + +/* The values of the second argument of system call "sys_fcntl" + and "sys_fcntl64". The values of these macros were obtained from + Linux Kernel source. */ +#define I386_LINUX_RECORD_FCNTL_F_GETLK 5 +#define I386_LINUX_RECORD_FCNTL_F_GETLK64 12 +#define I386_LINUX_RECORD_FCNTL_F_SETLK64 13 +#define I386_LINUX_RECORD_FCNTL_F_SETLKW64 14 + static void i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { @@ -431,6 +621,195 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) tdep->sc_reg_offset = i386_linux_sc_reg_offset; tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset); + set_gdbarch_process_record (gdbarch, i386_process_record); + + /* Initialize the i386_linux_record_tdep. */ + i386_linux_record_tdep.size__old_kernel_stat = + I386_LINUX_RECORD_SIZE__old_kernel_stat; + i386_linux_record_tdep.size_tms = I386_LINUX_RECORD_SIZE_tms; + i386_linux_record_tdep.size_loff_t = I386_LINUX_RECORD_SIZE_loff_t; + i386_linux_record_tdep.size_flock = I386_LINUX_RECORD_SIZE_flock; + i386_linux_record_tdep.size_oldold_utsname = + I386_LINUX_RECORD_SIZE_oldold_utsname; + i386_linux_record_tdep.size_ustat = I386_LINUX_RECORD_SIZE_ustat; + i386_linux_record_tdep.size_old_sigaction = + I386_LINUX_RECORD_SIZE_old_sigaction; + i386_linux_record_tdep.size_old_sigset_t = + I386_LINUX_RECORD_SIZE_old_sigset_t; + i386_linux_record_tdep.size_rlimit = I386_LINUX_RECORD_SIZE_rlimit; + i386_linux_record_tdep.size_rusage = I386_LINUX_RECORD_SIZE_rusage; + i386_linux_record_tdep.size_timeval = I386_LINUX_RECORD_SIZE_timeval; + i386_linux_record_tdep.size_timezone = I386_LINUX_RECORD_SIZE_timezone; + i386_linux_record_tdep.size_old_gid_t = I386_LINUX_RECORD_SIZE_old_gid_t; + i386_linux_record_tdep.size_old_uid_t = I386_LINUX_RECORD_SIZE_old_uid_t; + i386_linux_record_tdep.size_fd_set = I386_LINUX_RECORD_SIZE_fd_set; + i386_linux_record_tdep.size_dirent = I386_LINUX_RECORD_SIZE_dirent; + i386_linux_record_tdep.size_dirent64 = I386_LINUX_RECORD_SIZE_dirent64; + i386_linux_record_tdep.size_statfs = I386_LINUX_RECORD_SIZE_statfs; + i386_linux_record_tdep.size_statfs64 = I386_LINUX_RECORD_SIZE_statfs64; + i386_linux_record_tdep.size_sockaddr = I386_LINUX_RECORD_SIZE_sockaddr; + i386_linux_record_tdep.size_int = I386_LINUX_RECORD_SIZE_int; + i386_linux_record_tdep.size_long = I386_LINUX_RECORD_SIZE_long; + i386_linux_record_tdep.size_ulong = I386_LINUX_RECORD_SIZE_ulong; + i386_linux_record_tdep.size_msghdr = I386_LINUX_RECORD_SIZE_msghdr; + i386_linux_record_tdep.size_itimerval = I386_LINUX_RECORD_SIZE_itimerval; + i386_linux_record_tdep.size_stat = I386_LINUX_RECORD_SIZE_stat; + i386_linux_record_tdep.size_old_utsname = + I386_LINUX_RECORD_SIZE_old_utsname; + i386_linux_record_tdep.size_sysinfo = I386_LINUX_RECORD_SIZE_sysinfo; + i386_linux_record_tdep.size_msqid_ds = I386_LINUX_RECORD_SIZE_msqid_ds; + i386_linux_record_tdep.size_shmid_ds = I386_LINUX_RECORD_SIZE_shmid_ds; + i386_linux_record_tdep.size_new_utsname = + I386_LINUX_RECORD_SIZE_new_utsname; + i386_linux_record_tdep.size_timex = I386_LINUX_RECORD_SIZE_timex; + i386_linux_record_tdep.size_mem_dqinfo = I386_LINUX_RECORD_SIZE_mem_dqinfo; + i386_linux_record_tdep.size_if_dqblk = I386_LINUX_RECORD_SIZE_if_dqblk; + i386_linux_record_tdep.size_fs_quota_stat = + I386_LINUX_RECORD_SIZE_fs_quota_stat; + i386_linux_record_tdep.size_timespec = I386_LINUX_RECORD_SIZE_timespec; + i386_linux_record_tdep.size_pollfd = I386_LINUX_RECORD_SIZE_pollfd; + i386_linux_record_tdep.size_NFS_FHSIZE = I386_LINUX_RECORD_SIZE_NFS_FHSIZE; + i386_linux_record_tdep.size_knfsd_fh = I386_LINUX_RECORD_SIZE_knfsd_fh; + i386_linux_record_tdep.size_TASK_COMM_LEN = + I386_LINUX_RECORD_SIZE_TASK_COMM_LEN; + i386_linux_record_tdep.size_sigaction = I386_LINUX_RECORD_SIZE_sigaction; + i386_linux_record_tdep.size_sigset_t = I386_LINUX_RECORD_SIZE_sigset_t; + i386_linux_record_tdep.size_siginfo_t = I386_LINUX_RECORD_SIZE_siginfo_t; + i386_linux_record_tdep.size_cap_user_data_t = + I386_LINUX_RECORD_SIZE_cap_user_data_t; + i386_linux_record_tdep.size_stack_t = I386_LINUX_RECORD_SIZE_stack_t; + i386_linux_record_tdep.size_off_t = I386_LINUX_RECORD_SIZE_off_t; + i386_linux_record_tdep.size_stat64 = I386_LINUX_RECORD_SIZE_stat64; + i386_linux_record_tdep.size_gid_t = I386_LINUX_RECORD_SIZE_gid_t; + i386_linux_record_tdep.size_uid_t = I386_LINUX_RECORD_SIZE_uid_t; + i386_linux_record_tdep.size_PAGE_SIZE = I386_LINUX_RECORD_SIZE_PAGE_SIZE; + i386_linux_record_tdep.size_flock64 = I386_LINUX_RECORD_SIZE_flock64; + i386_linux_record_tdep.size_user_desc = I386_LINUX_RECORD_SIZE_user_desc; + i386_linux_record_tdep.size_io_event = I386_LINUX_RECORD_SIZE_io_event; + i386_linux_record_tdep.size_iocb = I386_LINUX_RECORD_SIZE_iocb; + i386_linux_record_tdep.size_epoll_event = + I386_LINUX_RECORD_SIZE_epoll_event; + i386_linux_record_tdep.size_itimerspec = I386_LINUX_RECORD_SIZE_itimerspec; + i386_linux_record_tdep.size_mq_attr = I386_LINUX_RECORD_SIZE_mq_attr; + i386_linux_record_tdep.size_siginfo = I386_LINUX_RECORD_SIZE_siginfo; + i386_linux_record_tdep.size_termios = I386_LINUX_RECORD_SIZE_termios; + i386_linux_record_tdep.size_termios2 = I386_LINUX_RECORD_SIZE_termios2; + i386_linux_record_tdep.size_pid_t = I386_LINUX_RECORD_SIZE_pid_t; + i386_linux_record_tdep.size_winsize = I386_LINUX_RECORD_SIZE_winsize; + i386_linux_record_tdep.size_char = I386_LINUX_RECORD_SIZE_char; + i386_linux_record_tdep.size_serial_struct = + I386_LINUX_RECORD_SIZE_serial_struct; + i386_linux_record_tdep.size_serial_icounter_struct = + I386_LINUX_RECORD_SIZE_serial_icounter_struct; + i386_linux_record_tdep.size_hayes_esp_config = + I386_LINUX_RECORD_SIZE_hayes_esp_config; + + i386_linux_record_tdep.ioctl_TCGETS = I386_LINUX_RECORD_IOCTL_TCGETS; + i386_linux_record_tdep.ioctl_TCSETS = I386_LINUX_RECORD_IOCTL_TCSETS; + i386_linux_record_tdep.ioctl_TCSETSW = I386_LINUX_RECORD_IOCTL_TCSETSW; + i386_linux_record_tdep.ioctl_TCSETSF = I386_LINUX_RECORD_IOCTL_TCSETSF; + i386_linux_record_tdep.ioctl_TCGETA = I386_LINUX_RECORD_IOCTL_TCGETA; + i386_linux_record_tdep.ioctl_TCSETA = I386_LINUX_RECORD_IOCTL_TCSETA; + i386_linux_record_tdep.ioctl_TCSETAW = I386_LINUX_RECORD_IOCTL_TCSETAW; + i386_linux_record_tdep.ioctl_TCSETAF = I386_LINUX_RECORD_IOCTL_TCSETAF; + i386_linux_record_tdep.ioctl_TCSBRK = I386_LINUX_RECORD_IOCTL_TCSBRK; + i386_linux_record_tdep.ioctl_TCXONC = I386_LINUX_RECORD_IOCTL_TCXONC; + i386_linux_record_tdep.ioctl_TCFLSH = I386_LINUX_RECORD_IOCTL_TCFLSH; + i386_linux_record_tdep.ioctl_TIOCEXCL = I386_LINUX_RECORD_IOCTL_TIOCEXCL; + i386_linux_record_tdep.ioctl_TIOCNXCL = I386_LINUX_RECORD_IOCTL_TIOCNXCL; + i386_linux_record_tdep.ioctl_TIOCSCTTY = I386_LINUX_RECORD_IOCTL_TIOCSCTTY; + i386_linux_record_tdep.ioctl_TIOCGPGRP = I386_LINUX_RECORD_IOCTL_TIOCGPGRP; + i386_linux_record_tdep.ioctl_TIOCSPGRP = I386_LINUX_RECORD_IOCTL_TIOCSPGRP; + i386_linux_record_tdep.ioctl_TIOCOUTQ = I386_LINUX_RECORD_IOCTL_TIOCOUTQ; + i386_linux_record_tdep.ioctl_TIOCSTI = I386_LINUX_RECORD_IOCTL_TIOCSTI; + i386_linux_record_tdep.ioctl_TIOCGWINSZ = + I386_LINUX_RECORD_IOCTL_TIOCGWINSZ; + i386_linux_record_tdep.ioctl_TIOCSWINSZ = + I386_LINUX_RECORD_IOCTL_TIOCSWINSZ; + i386_linux_record_tdep.ioctl_TIOCMGET = I386_LINUX_RECORD_IOCTL_TIOCMGET; + i386_linux_record_tdep.ioctl_TIOCMBIS = I386_LINUX_RECORD_IOCTL_TIOCMBIS; + i386_linux_record_tdep.ioctl_TIOCMBIC = I386_LINUX_RECORD_IOCTL_TIOCMBIC; + i386_linux_record_tdep.ioctl_TIOCMSET = I386_LINUX_RECORD_IOCTL_TIOCMSET; + i386_linux_record_tdep.ioctl_TIOCGSOFTCAR = + I386_LINUX_RECORD_IOCTL_TIOCGSOFTCAR; + i386_linux_record_tdep.ioctl_TIOCSSOFTCAR = + I386_LINUX_RECORD_IOCTL_TIOCSSOFTCAR; + i386_linux_record_tdep.ioctl_FIONREAD = I386_LINUX_RECORD_IOCTL_FIONREAD; + i386_linux_record_tdep.ioctl_TIOCINQ = I386_LINUX_RECORD_IOCTL_TIOCINQ; + i386_linux_record_tdep.ioctl_TIOCLINUX = I386_LINUX_RECORD_IOCTL_TIOCLINUX; + i386_linux_record_tdep.ioctl_TIOCCONS = I386_LINUX_RECORD_IOCTL_TIOCCONS; + i386_linux_record_tdep.ioctl_TIOCGSERIAL = + I386_LINUX_RECORD_IOCTL_TIOCGSERIAL; + i386_linux_record_tdep.ioctl_TIOCSSERIAL = + I386_LINUX_RECORD_IOCTL_TIOCSSERIAL; + i386_linux_record_tdep.ioctl_TIOCPKT = I386_LINUX_RECORD_IOCTL_TIOCPKT; + i386_linux_record_tdep.ioctl_FIONBIO = I386_LINUX_RECORD_IOCTL_FIONBIO; + i386_linux_record_tdep.ioctl_TIOCNOTTY = I386_LINUX_RECORD_IOCTL_TIOCNOTTY; + i386_linux_record_tdep.ioctl_TIOCSETD = I386_LINUX_RECORD_IOCTL_TIOCSETD; + i386_linux_record_tdep.ioctl_TIOCGETD = I386_LINUX_RECORD_IOCTL_TIOCGETD; + i386_linux_record_tdep.ioctl_TCSBRKP = I386_LINUX_RECORD_IOCTL_TCSBRKP; + i386_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = + I386_LINUX_RECORD_IOCTL_TIOCTTYGSTRUCT; + i386_linux_record_tdep.ioctl_TIOCSBRK = I386_LINUX_RECORD_IOCTL_TIOCSBRK; + i386_linux_record_tdep.ioctl_TIOCCBRK = I386_LINUX_RECORD_IOCTL_TIOCCBRK; + i386_linux_record_tdep.ioctl_TIOCGSID = I386_LINUX_RECORD_IOCTL_TIOCGSID; + i386_linux_record_tdep.ioctl_TCGETS2 = I386_LINUX_RECORD_IOCTL_TCGETS2; + i386_linux_record_tdep.ioctl_TCSETS2 = I386_LINUX_RECORD_IOCTL_TCSETS2; + i386_linux_record_tdep.ioctl_TCSETSW2 = I386_LINUX_RECORD_IOCTL_TCSETSW2; + i386_linux_record_tdep.ioctl_TCSETSF2 = I386_LINUX_RECORD_IOCTL_TCSETSF2; + i386_linux_record_tdep.ioctl_TIOCGPTN = I386_LINUX_RECORD_IOCTL_TIOCGPTN; + i386_linux_record_tdep.ioctl_TIOCSPTLCK = + I386_LINUX_RECORD_IOCTL_TIOCSPTLCK; + i386_linux_record_tdep.ioctl_FIONCLEX = I386_LINUX_RECORD_IOCTL_FIONCLEX; + i386_linux_record_tdep.ioctl_FIOCLEX = I386_LINUX_RECORD_IOCTL_FIOCLEX; + i386_linux_record_tdep.ioctl_FIOASYNC = I386_LINUX_RECORD_IOCTL_FIOASYNC; + i386_linux_record_tdep.ioctl_TIOCSERCONFIG = + I386_LINUX_RECORD_IOCTL_TIOCSERCONFIG; + i386_linux_record_tdep.ioctl_TIOCSERGWILD = + I386_LINUX_RECORD_IOCTL_TIOCSERGWILD; + i386_linux_record_tdep.ioctl_TIOCSERSWILD = + I386_LINUX_RECORD_IOCTL_TIOCSERSWILD; + i386_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = + I386_LINUX_RECORD_IOCTL_TIOCGLCKTRMIOS; + i386_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = + I386_LINUX_RECORD_IOCTL_TIOCSLCKTRMIOS; + i386_linux_record_tdep.ioctl_TIOCSERGSTRUCT = + I386_LINUX_RECORD_IOCTL_TIOCSERGSTRUCT; + i386_linux_record_tdep.ioctl_TIOCSERGETLSR = + I386_LINUX_RECORD_IOCTL_TIOCSERGETLSR; + i386_linux_record_tdep.ioctl_TIOCSERGETMULTI = + I386_LINUX_RECORD_IOCTL_TIOCSERGETMULTI; + i386_linux_record_tdep.ioctl_TIOCSERSETMULTI = + I386_LINUX_RECORD_IOCTL_TIOCSERSETMULTI; + i386_linux_record_tdep.ioctl_TIOCMIWAIT = + I386_LINUX_RECORD_IOCTL_TIOCMIWAIT; + i386_linux_record_tdep.ioctl_TIOCGICOUNT = + I386_LINUX_RECORD_IOCTL_TIOCGICOUNT; + i386_linux_record_tdep.ioctl_TIOCGHAYESESP = + I386_LINUX_RECORD_IOCTL_TIOCGHAYESESP; + i386_linux_record_tdep.ioctl_TIOCSHAYESESP = + I386_LINUX_RECORD_IOCTL_TIOCSHAYESESP; + i386_linux_record_tdep.ioctl_FIOQSIZE = I386_LINUX_RECORD_IOCTL_FIOQSIZE; + + i386_linux_record_tdep.fcntl_F_GETLK = I386_LINUX_RECORD_FCNTL_F_GETLK; + i386_linux_record_tdep.fcntl_F_GETLK64 = I386_LINUX_RECORD_FCNTL_F_GETLK64; + i386_linux_record_tdep.fcntl_F_SETLK64 = I386_LINUX_RECORD_FCNTL_F_SETLK64; + i386_linux_record_tdep.fcntl_F_SETLKW64 = + I386_LINUX_RECORD_FCNTL_F_SETLKW64; + + i386_linux_record_tdep.arg1 = I386_EBX_REGNUM; + i386_linux_record_tdep.arg2 = I386_ECX_REGNUM; + i386_linux_record_tdep.arg3 = I386_EDX_REGNUM; + i386_linux_record_tdep.arg4 = I386_ESI_REGNUM; + i386_linux_record_tdep.arg5 = I386_EDI_REGNUM; + + tdep->i386_intx80_record = i386_linux_intx80_sysenter_record; + tdep->i386_sysenter_record = i386_linux_intx80_sysenter_record; + + /* N_FUN symbols in shared libaries have 0 for their values and need + to be relocated. */ + set_gdbarch_sofun_address_maybe_missing (gdbarch, 1); + /* GNU/Linux uses SVR4-style shared libraries. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); set_solib_svr4_fetch_link_map_offsets @@ -444,6 +823,20 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Enable TLS support. */ set_gdbarch_fetch_tls_load_module_address (gdbarch, svr4_fetch_objfile_link_map); + + /* Install supported register note sections. */ + set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections); + + /* Displaced stepping. */ + set_gdbarch_displaced_step_copy_insn (gdbarch, + simple_displaced_step_copy_insn); + set_gdbarch_displaced_step_fixup (gdbarch, i386_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); } /* Provide a prototype to silence -Wmissing-prototypes. */