--- a/i386-linux-tdep.c +++ b/i386-linux-tdep.c @@ -37,6 +37,10 @@ #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[] = { @@ -346,6 +350,37 @@ i386_linux_write_pc (struct regcache *re restarted. */ 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 in current system + call instruction to "record_arch_list". This instruction is "int 0x80" (Linux + Kernel2.4) or "sysenter" (Linux Kernel 2.6). + Return -1 if something wrong. */ + +static linux_record_tdep_t linux_record_tdep; + +static int +i386_linux_intx80_sysenter_record (void) +{ + int ret; + uint32_t tmpu32; + + regcache_raw_read (record_regcache, I386_EAX_REGNUM, (gdb_byte *) & tmpu32); + + ret = record_linux_system_call (tmpu32, &linux_record_tdep); + if (ret) + { + return ret; + } + + /* Record the return of system call. */ + if (record_arch_list_add_reg (I386_EAX_REGNUM)) + { + return -1; + } + + return 0; +} /* The register sets used in GNU/Linux ELF core-dumps are identical to @@ -413,6 +448,144 @@ static int i386_linux_sc_reg_offset[] = 0 * 4 /* %gs */ }; +/* These macros are the size of the type that will be use in system call. The values of + these macros are gotten from Linux Kernel source. */ +#define I386_RECORD_SIZE__old_kernel_stat 32 +#define I386_RECORD_SIZE_tms 16 +#define I386_RECORD_SIZE_loff_t 8 +#define I386_RECORD_SIZE_flock 16 +#define I386_RECORD_SIZE_oldold_utsname 45 +#define I386_RECORD_SIZE_ustat 20 +#define I386_RECORD_SIZE_old_sigaction 140 +#define I386_RECORD_SIZE_old_sigset_t 128 +#define I386_RECORD_SIZE_rlimit 8 +#define I386_RECORD_SIZE_rusage 72 +#define I386_RECORD_SIZE_timeval 8 +#define I386_RECORD_SIZE_timezone 8 +#define I386_RECORD_SIZE_old_gid_t 2 +#define I386_RECORD_SIZE_old_uid_t 2 +#define I386_RECORD_SIZE_fd_set 128 +#define I386_RECORD_SIZE_dirent 268 +#define I386_RECORD_SIZE_dirent64 276 +#define I386_RECORD_SIZE_statfs 64 +#define I386_RECORD_SIZE_statfs64 84 +#define I386_RECORD_SIZE_sockaddr 16 +#define I386_RECORD_SIZE_int 4 +#define I386_RECORD_SIZE_long 4 +#define I386_RECORD_SIZE_ulong 4 +#define I386_RECORD_SIZE_msghdr 28 +#define I386_RECORD_SIZE_itimerval 16 +#define I386_RECORD_SIZE_stat 88 +#define I386_RECORD_SIZE_old_utsname 325 +#define I386_RECORD_SIZE_sysinfo 64 +#define I386_RECORD_SIZE_msqid_ds 88 +#define I386_RECORD_SIZE_shmid_ds 84 +#define I386_RECORD_SIZE_new_utsname 390 +#define I386_RECORD_SIZE_timex 128 +#define I386_RECORD_SIZE_mem_dqinfo 24 +#define I386_RECORD_SIZE_if_dqblk 68 +#define I386_RECORD_SIZE_fs_quota_stat 68 +#define I386_RECORD_SIZE_timespec 8 +#define I386_RECORD_SIZE_pollfd 8 +#define I386_RECORD_SIZE_NFS_FHSIZE 32 +#define I386_RECORD_SIZE_knfsd_fh 132 +#define I386_RECORD_SIZE_TASK_COMM_LEN 16 +#define I386_RECORD_SIZE_sigaction 140 +#define I386_RECORD_SIZE_sigset_t 8 +#define I386_RECORD_SIZE_siginfo_t 128 +#define I386_RECORD_SIZE_cap_user_data_t 12 +#define I386_RECORD_SIZE_stack_t 12 +#define I386_RECORD_SIZE_off_t I386_RECORD_SIZE_long +#define I386_RECORD_SIZE_stat64 96 +#define I386_RECORD_SIZE_gid_t 2 +#define I386_RECORD_SIZE_uid_t 2 +#define I386_RECORD_SIZE_PAGE_SIZE 4096 +#define I386_RECORD_SIZE_flock64 24 +#define I386_RECORD_SIZE_user_desc 16 +#define I386_RECORD_SIZE_io_event 32 +#define I386_RECORD_SIZE_iocb 64 +#define I386_RECORD_SIZE_epoll_event 12 +#define I386_RECORD_SIZE_itimerspec (I386_RECORD_SIZE_timespec * 2) +#define I386_RECORD_SIZE_mq_attr 32 +#define I386_RECORD_SIZE_siginfo 128 +#define I386_RECORD_SIZE_termios 36 +#define I386_RECORD_SIZE_termios2 44 +#define I386_RECORD_SIZE_pid_t 4 +#define I386_RECORD_SIZE_winsize 8 +#define I386_RECORD_SIZE_char 8 +#define I386_RECORD_SIZE_serial_struct 60 +#define I386_RECORD_SIZE_serial_icounter_struct 80 +#define I386_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 are gotten from Linux Kernel + source. */ +#define I386_RECORD_IOCTL_TCGETS 0x5401 +#define I386_RECORD_IOCTL_TCSETS 0x5402 +#define I386_RECORD_IOCTL_TCSETSW 0x5403 +#define I386_RECORD_IOCTL_TCSETSF 0x5404 +#define I386_RECORD_IOCTL_TCGETA 0x5405 +#define I386_RECORD_IOCTL_TCSETA 0x5406 +#define I386_RECORD_IOCTL_TCSETAW 0x5407 +#define I386_RECORD_IOCTL_TCSETAF 0x5408 +#define I386_RECORD_IOCTL_TCSBRK 0x5409 +#define I386_RECORD_IOCTL_TCXONC 0x540A +#define I386_RECORD_IOCTL_TCFLSH 0x540B +#define I386_RECORD_IOCTL_TIOCEXCL 0x540C +#define I386_RECORD_IOCTL_TIOCNXCL 0x540D +#define I386_RECORD_IOCTL_TIOCSCTTY 0x540E +#define I386_RECORD_IOCTL_TIOCGPGRP 0x540F +#define I386_RECORD_IOCTL_TIOCSPGRP 0x5410 +#define I386_RECORD_IOCTL_TIOCOUTQ 0x5411 +#define I386_RECORD_IOCTL_TIOCSTI 0x5412 +#define I386_RECORD_IOCTL_TIOCGWINSZ 0x5413 +#define I386_RECORD_IOCTL_TIOCSWINSZ 0x5414 +#define I386_RECORD_IOCTL_TIOCMGET 0x5415 +#define I386_RECORD_IOCTL_TIOCMBIS 0x5416 +#define I386_RECORD_IOCTL_TIOCMBIC 0x5417 +#define I386_RECORD_IOCTL_TIOCMSET 0x5418 +#define I386_RECORD_IOCTL_TIOCGSOFTCAR 0x5419 +#define I386_RECORD_IOCTL_TIOCSSOFTCAR 0x541A +#define I386_RECORD_IOCTL_FIONREAD 0x541B +#define I386_RECORD_IOCTL_TIOCINQ I386_RECORD_IOCTL_FIONREAD +#define I386_RECORD_IOCTL_TIOCLINUX 0x541C +#define I386_RECORD_IOCTL_TIOCCONS 0x541D +#define I386_RECORD_IOCTL_TIOCGSERIAL 0x541E +#define I386_RECORD_IOCTL_TIOCSSERIAL 0x541F +#define I386_RECORD_IOCTL_TIOCPKT 0x5420 +#define I386_RECORD_IOCTL_FIONBIO 0x5421 +#define I386_RECORD_IOCTL_TIOCNOTTY 0x5422 +#define I386_RECORD_IOCTL_TIOCSETD 0x5423 +#define I386_RECORD_IOCTL_TIOCGETD 0x5424 +#define I386_RECORD_IOCTL_TCSBRKP 0x5425 +#define I386_RECORD_IOCTL_TIOCTTYGSTRUCT 0x5426 +#define I386_RECORD_IOCTL_TIOCSBRK 0x5427 +#define I386_RECORD_IOCTL_TIOCCBRK 0x5428 +#define I386_RECORD_IOCTL_TIOCGSID 0x5429 +#define I386_RECORD_IOCTL_TCGETS2 0x802c542a +#define I386_RECORD_IOCTL_TCSETS2 0x402c542b +#define I386_RECORD_IOCTL_TCSETSW2 0x402c542c +#define I386_RECORD_IOCTL_TCSETSF2 0x402c542d +#define I386_RECORD_IOCTL_TIOCGPTN 0x80045430 +#define I386_RECORD_IOCTL_TIOCSPTLCK 0x40045431 +#define I386_RECORD_IOCTL_FIONCLEX 0x5450 +#define I386_RECORD_IOCTL_FIOCLEX 0x5451 +#define I386_RECORD_IOCTL_FIOASYNC 0x5452 +#define I386_RECORD_IOCTL_TIOCSERCONFIG 0x5453 +#define I386_RECORD_IOCTL_TIOCSERGWILD 0x5454 +#define I386_RECORD_IOCTL_TIOCSERSWILD 0x5455 +#define I386_RECORD_IOCTL_TIOCGLCKTRMIOS 0x5456 +#define I386_RECORD_IOCTL_TIOCSLCKTRMIOS 0x5457 +#define I386_RECORD_IOCTL_TIOCSERGSTRUCT 0x5458 +#define I386_RECORD_IOCTL_TIOCSERGETLSR 0x5459 +#define I386_RECORD_IOCTL_TIOCSERGETMULTI 0x545A +#define I386_RECORD_IOCTL_TIOCSERSETMULTI 0x545B +#define I386_RECORD_IOCTL_TIOCMIWAIT 0x545C +#define I386_RECORD_IOCTL_TIOCGICOUNT 0x545D +#define I386_RECORD_IOCTL_TIOCGHAYESESP 0x545E +#define I386_RECORD_IOCTL_TIOCSHAYESESP 0x545F +#define I386_RECORD_IOCTL_FIOQSIZE 0x5460 + static void i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { @@ -440,6 +613,150 @@ i386_linux_init_abi (struct gdbarch_info tdep->sc_reg_offset = i386_linux_sc_reg_offset; tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset); + /* Initial the linux_record_tdep */ + linux_record_tdep.size__old_kernel_stat = I386_RECORD_SIZE__old_kernel_stat; + linux_record_tdep.size_tms = I386_RECORD_SIZE_tms; + linux_record_tdep.size_loff_t = I386_RECORD_SIZE_loff_t; + linux_record_tdep.size_flock = I386_RECORD_SIZE_flock; + linux_record_tdep.size_oldold_utsname = I386_RECORD_SIZE_oldold_utsname; + linux_record_tdep.size_ustat = I386_RECORD_SIZE_ustat; + linux_record_tdep.size_old_sigaction = I386_RECORD_SIZE_old_sigaction; + linux_record_tdep.size_old_sigset_t = I386_RECORD_SIZE_old_sigset_t; + linux_record_tdep.size_rlimit = I386_RECORD_SIZE_rlimit; + linux_record_tdep.size_rusage = I386_RECORD_SIZE_rusage; + linux_record_tdep.size_timeval = I386_RECORD_SIZE_timeval; + linux_record_tdep.size_timezone = I386_RECORD_SIZE_timezone; + linux_record_tdep.size_old_gid_t = I386_RECORD_SIZE_old_gid_t; + linux_record_tdep.size_old_uid_t = I386_RECORD_SIZE_old_uid_t; + linux_record_tdep.size_fd_set = I386_RECORD_SIZE_fd_set; + linux_record_tdep.size_dirent = I386_RECORD_SIZE_dirent; + linux_record_tdep.size_dirent64 = I386_RECORD_SIZE_dirent64; + linux_record_tdep.size_statfs = I386_RECORD_SIZE_statfs; + linux_record_tdep.size_statfs64 = I386_RECORD_SIZE_statfs64; + linux_record_tdep.size_sockaddr = I386_RECORD_SIZE_sockaddr; + linux_record_tdep.size_int = I386_RECORD_SIZE_int; + linux_record_tdep.size_long = I386_RECORD_SIZE_long; + linux_record_tdep.size_ulong = I386_RECORD_SIZE_ulong; + linux_record_tdep.size_msghdr = I386_RECORD_SIZE_msghdr; + linux_record_tdep.size_itimerval = I386_RECORD_SIZE_itimerval; + linux_record_tdep.size_stat = I386_RECORD_SIZE_stat; + linux_record_tdep.size_old_utsname = I386_RECORD_SIZE_old_utsname; + linux_record_tdep.size_sysinfo = I386_RECORD_SIZE_sysinfo; + linux_record_tdep.size_msqid_ds = I386_RECORD_SIZE_msqid_ds; + linux_record_tdep.size_shmid_ds = I386_RECORD_SIZE_shmid_ds; + linux_record_tdep.size_new_utsname = I386_RECORD_SIZE_new_utsname; + linux_record_tdep.size_timex = I386_RECORD_SIZE_timex; + linux_record_tdep.size_mem_dqinfo = I386_RECORD_SIZE_mem_dqinfo; + linux_record_tdep.size_if_dqblk = I386_RECORD_SIZE_if_dqblk; + linux_record_tdep.size_fs_quota_stat = I386_RECORD_SIZE_fs_quota_stat; + linux_record_tdep.size_timespec = I386_RECORD_SIZE_timespec; + linux_record_tdep.size_pollfd = I386_RECORD_SIZE_pollfd; + linux_record_tdep.size_NFS_FHSIZE = I386_RECORD_SIZE_NFS_FHSIZE; + linux_record_tdep.size_knfsd_fh = I386_RECORD_SIZE_knfsd_fh; + linux_record_tdep.size_TASK_COMM_LEN = I386_RECORD_SIZE_TASK_COMM_LEN; + linux_record_tdep.size_sigaction = I386_RECORD_SIZE_sigaction; + linux_record_tdep.size_sigset_t = I386_RECORD_SIZE_sigset_t; + linux_record_tdep.size_siginfo_t = I386_RECORD_SIZE_siginfo_t; + linux_record_tdep.size_cap_user_data_t = I386_RECORD_SIZE_cap_user_data_t; + linux_record_tdep.size_stack_t = I386_RECORD_SIZE_stack_t; + linux_record_tdep.size_off_t = I386_RECORD_SIZE_off_t; + linux_record_tdep.size_stat64 = I386_RECORD_SIZE_stat64; + linux_record_tdep.size_gid_t = I386_RECORD_SIZE_gid_t; + linux_record_tdep.size_uid_t = I386_RECORD_SIZE_uid_t; + linux_record_tdep.size_PAGE_SIZE = I386_RECORD_SIZE_PAGE_SIZE; + linux_record_tdep.size_flock64 = I386_RECORD_SIZE_flock64; + linux_record_tdep.size_user_desc = I386_RECORD_SIZE_user_desc; + linux_record_tdep.size_io_event = I386_RECORD_SIZE_io_event; + linux_record_tdep.size_iocb = I386_RECORD_SIZE_iocb; + linux_record_tdep.size_epoll_event = I386_RECORD_SIZE_epoll_event; + linux_record_tdep.size_itimerspec = I386_RECORD_SIZE_itimerspec; + linux_record_tdep.size_mq_attr = I386_RECORD_SIZE_mq_attr; + linux_record_tdep.size_siginfo = I386_RECORD_SIZE_siginfo; + linux_record_tdep.size_termios = I386_RECORD_SIZE_termios; + linux_record_tdep.size_termios2 = I386_RECORD_SIZE_termios2; + linux_record_tdep.size_pid_t = I386_RECORD_SIZE_pid_t; + linux_record_tdep.size_winsize = I386_RECORD_SIZE_winsize; + linux_record_tdep.size_char = I386_RECORD_SIZE_char; + linux_record_tdep.size_serial_struct = I386_RECORD_SIZE_serial_struct; + linux_record_tdep.size_serial_icounter_struct = + I386_RECORD_SIZE_serial_icounter_struct; + linux_record_tdep.size_hayes_esp_config = I386_RECORD_SIZE_hayes_esp_config; + + linux_record_tdep.ioctl_TCGETS = I386_RECORD_IOCTL_TCGETS; + linux_record_tdep.ioctl_TCSETS = I386_RECORD_IOCTL_TCSETS; + linux_record_tdep.ioctl_TCSETSW = I386_RECORD_IOCTL_TCSETSW; + linux_record_tdep.ioctl_TCSETSF = I386_RECORD_IOCTL_TCSETSF; + linux_record_tdep.ioctl_TCGETA = I386_RECORD_IOCTL_TCGETA; + linux_record_tdep.ioctl_TCSETA = I386_RECORD_IOCTL_TCSETA; + linux_record_tdep.ioctl_TCSETAW = I386_RECORD_IOCTL_TCSETAW; + linux_record_tdep.ioctl_TCSETAF = I386_RECORD_IOCTL_TCSETAF; + linux_record_tdep.ioctl_TCSBRK = I386_RECORD_IOCTL_TCSBRK; + linux_record_tdep.ioctl_TCXONC = I386_RECORD_IOCTL_TCXONC; + linux_record_tdep.ioctl_TCFLSH = I386_RECORD_IOCTL_TCFLSH; + linux_record_tdep.ioctl_TIOCEXCL = I386_RECORD_IOCTL_TIOCEXCL; + linux_record_tdep.ioctl_TIOCNXCL = I386_RECORD_IOCTL_TIOCNXCL; + linux_record_tdep.ioctl_TIOCSCTTY = I386_RECORD_IOCTL_TIOCSCTTY; + linux_record_tdep.ioctl_TIOCGPGRP = I386_RECORD_IOCTL_TIOCGPGRP; + linux_record_tdep.ioctl_TIOCSPGRP = I386_RECORD_IOCTL_TIOCSPGRP; + linux_record_tdep.ioctl_TIOCOUTQ = I386_RECORD_IOCTL_TIOCOUTQ; + linux_record_tdep.ioctl_TIOCSTI = I386_RECORD_IOCTL_TIOCSTI; + linux_record_tdep.ioctl_TIOCGWINSZ = I386_RECORD_IOCTL_TIOCGWINSZ; + linux_record_tdep.ioctl_TIOCSWINSZ = I386_RECORD_IOCTL_TIOCSWINSZ; + linux_record_tdep.ioctl_TIOCMGET = I386_RECORD_IOCTL_TIOCMGET; + linux_record_tdep.ioctl_TIOCMBIS = I386_RECORD_IOCTL_TIOCMBIS; + linux_record_tdep.ioctl_TIOCMBIC = I386_RECORD_IOCTL_TIOCMBIC; + linux_record_tdep.ioctl_TIOCMSET = I386_RECORD_IOCTL_TIOCMSET; + linux_record_tdep.ioctl_TIOCGSOFTCAR = I386_RECORD_IOCTL_TIOCGSOFTCAR; + linux_record_tdep.ioctl_TIOCSSOFTCAR = I386_RECORD_IOCTL_TIOCSSOFTCAR; + linux_record_tdep.ioctl_FIONREAD = I386_RECORD_IOCTL_FIONREAD; + linux_record_tdep.ioctl_TIOCINQ = I386_RECORD_IOCTL_TIOCINQ; + linux_record_tdep.ioctl_TIOCLINUX = I386_RECORD_IOCTL_TIOCLINUX; + linux_record_tdep.ioctl_TIOCCONS = I386_RECORD_IOCTL_TIOCCONS; + linux_record_tdep.ioctl_TIOCGSERIAL = I386_RECORD_IOCTL_TIOCGSERIAL; + linux_record_tdep.ioctl_TIOCSSERIAL = I386_RECORD_IOCTL_TIOCSSERIAL; + linux_record_tdep.ioctl_TIOCPKT = I386_RECORD_IOCTL_TIOCPKT; + linux_record_tdep.ioctl_FIONBIO = I386_RECORD_IOCTL_FIONBIO; + linux_record_tdep.ioctl_TIOCNOTTY = I386_RECORD_IOCTL_TIOCNOTTY; + linux_record_tdep.ioctl_TIOCSETD = I386_RECORD_IOCTL_TIOCSETD; + linux_record_tdep.ioctl_TIOCGETD = I386_RECORD_IOCTL_TIOCGETD; + linux_record_tdep.ioctl_TCSBRKP = I386_RECORD_IOCTL_TCSBRKP; + linux_record_tdep.ioctl_TIOCTTYGSTRUCT = I386_RECORD_IOCTL_TIOCTTYGSTRUCT; + linux_record_tdep.ioctl_TIOCSBRK = I386_RECORD_IOCTL_TIOCSBRK; + linux_record_tdep.ioctl_TIOCCBRK = I386_RECORD_IOCTL_TIOCCBRK; + linux_record_tdep.ioctl_TIOCGSID = I386_RECORD_IOCTL_TIOCGSID; + linux_record_tdep.ioctl_TCGETS2 = I386_RECORD_IOCTL_TCGETS2; + linux_record_tdep.ioctl_TCSETS2 = I386_RECORD_IOCTL_TCSETS2; + linux_record_tdep.ioctl_TCSETSW2 = I386_RECORD_IOCTL_TCSETSW2; + linux_record_tdep.ioctl_TCSETSF2 = I386_RECORD_IOCTL_TCSETSF2; + linux_record_tdep.ioctl_TIOCGPTN = I386_RECORD_IOCTL_TIOCGPTN; + linux_record_tdep.ioctl_TIOCSPTLCK = I386_RECORD_IOCTL_TIOCSPTLCK; + linux_record_tdep.ioctl_FIONCLEX = I386_RECORD_IOCTL_FIONCLEX; + linux_record_tdep.ioctl_FIOCLEX = I386_RECORD_IOCTL_FIOCLEX; + linux_record_tdep.ioctl_FIOASYNC = I386_RECORD_IOCTL_FIOASYNC; + linux_record_tdep.ioctl_TIOCSERCONFIG = I386_RECORD_IOCTL_TIOCSERCONFIG; + linux_record_tdep.ioctl_TIOCSERGWILD = I386_RECORD_IOCTL_TIOCSERGWILD; + linux_record_tdep.ioctl_TIOCSERSWILD = I386_RECORD_IOCTL_TIOCSERSWILD; + linux_record_tdep.ioctl_TIOCGLCKTRMIOS = I386_RECORD_IOCTL_TIOCGLCKTRMIOS; + linux_record_tdep.ioctl_TIOCSLCKTRMIOS = I386_RECORD_IOCTL_TIOCSLCKTRMIOS; + linux_record_tdep.ioctl_TIOCSERGSTRUCT = I386_RECORD_IOCTL_TIOCSERGSTRUCT; + linux_record_tdep.ioctl_TIOCSERGETLSR = I386_RECORD_IOCTL_TIOCSERGETLSR; + linux_record_tdep.ioctl_TIOCSERGETMULTI = I386_RECORD_IOCTL_TIOCSERGETMULTI; + linux_record_tdep.ioctl_TIOCSERSETMULTI = I386_RECORD_IOCTL_TIOCSERSETMULTI; + linux_record_tdep.ioctl_TIOCMIWAIT = I386_RECORD_IOCTL_TIOCMIWAIT; + linux_record_tdep.ioctl_TIOCGICOUNT = I386_RECORD_IOCTL_TIOCGICOUNT; + linux_record_tdep.ioctl_TIOCGHAYESESP = I386_RECORD_IOCTL_TIOCGHAYESESP; + linux_record_tdep.ioctl_TIOCSHAYESESP = I386_RECORD_IOCTL_TIOCSHAYESESP; + linux_record_tdep.ioctl_FIOQSIZE = I386_RECORD_IOCTL_FIOQSIZE; + + linux_record_tdep.arg1 = I386_EBX_REGNUM; + linux_record_tdep.arg2 = I386_ECX_REGNUM; + linux_record_tdep.arg3 = I386_EDX_REGNUM; + linux_record_tdep.arg4 = I386_ESI_REGNUM; + 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);