| /* Copyright (C) 2009, 2010 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 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "server.h" |
| #include "target.h" |
| #include "lynx-low.h" |
| |
| #include <limits.h> |
| #include <sys/ptrace.h> |
| #include <sys/piddef.h> /* Provides PIDGET, TIDGET, BUILDPID, etc. */ |
| #include <unistd.h> |
| #include <sys/ioctl.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <signal.h> |
| |
| int using_threads = 1; |
| |
| /* Print a debug trace on standard output if debug_threads is set. */ |
| |
| static void |
| lynx_debug (char *string, ...) |
| { |
| va_list args; |
| |
| if (!debug_threads) |
| return; |
| |
| va_start (args, string); |
| fprintf (stderr, "DEBUG(lynx): "); |
| vfprintf (stderr, string, args); |
| fprintf (stderr, "\n"); |
| va_end (args); |
| } |
| |
| /* Build a ptid_t given a PID and a LynxOS TID. */ |
| |
| static ptid_t |
| lynx_ptid_build (int pid, long tid) |
| { |
| /* brobecker/2010-06-21: It looks like the LWP field in ptids |
| should be distinct for each thread (see write_ptid where it |
| writes the thread ID from the LWP). So instead of storing |
| the LynxOS tid in the tid field of the ptid, we store it in |
| the lwp field. */ |
| return ptid_build (pid, tid, 0); |
| } |
| |
| /* Return the process ID of the given PTID. |
| |
| This function has little reason to exist, it's just a wrapper around |
| ptid_get_pid. But since we have a getter function for the lynxos |
| ptid, it feels cleaner to have a getter for the pid as well. */ |
| |
| static int |
| lynx_ptid_get_pid (ptid_t ptid) |
| { |
| return ptid_get_pid (ptid); |
| } |
| |
| /* Return the LynxOS tid of the given PTID. */ |
| |
| static long |
| lynx_ptid_get_tid (ptid_t ptid) |
| { |
| /* See lynx_ptid_build: The LynxOS tid is stored inside the lwp field |
| of the ptid. */ |
| return ptid_get_lwp (ptid); |
| } |
| |
| /* For a given PTID, return the associated PID as known by the LynxOS |
| ptrace layer. */ |
| |
| static int |
| lynx_ptrace_pid_from_ptid (ptid_t ptid) |
| { |
| return BUILDPID (lynx_ptid_get_pid (ptid), lynx_ptid_get_tid (ptid)); |
| } |
| |
| /* Return a string image of the ptrace REQUEST number. */ |
| |
| static char * |
| ptrace_request_to_str (int request) |
| { |
| switch (request) |
| { |
| case PTRACE_TRACEME: |
| return "PTRACE_TRACEME"; |
| break; |
| case PTRACE_PEEKTEXT: |
| return "PTRACE_PEEKTEXT"; |
| break; |
| case PTRACE_PEEKDATA: |
| return "PTRACE_PEEKDATA"; |
| break; |
| case PTRACE_PEEKUSER: |
| return "PTRACE_PEEKUSER"; |
| break; |
| case PTRACE_POKETEXT: |
| return "PTRACE_POKETEXT"; |
| break; |
| case PTRACE_POKEDATA: |
| return "PTRACE_POKEDATA"; |
| break; |
| case PTRACE_POKEUSER: |
| return "PTRACE_POKEUSER"; |
| break; |
| case PTRACE_CONT: |
| return "PTRACE_CONT"; |
| break; |
| case PTRACE_KILL: |
| return "PTRACE_KILL"; |
| break; |
| case PTRACE_SINGLESTEP: |
| return "PTRACE_SINGLESTEP"; |
| break; |
| case PTRACE_ATTACH: |
| return "PTRACE_ATTACH"; |
| break; |
| case PTRACE_DETACH: |
| return "PTRACE_DETACH"; |
| break; |
| case PTRACE_GETREGS: |
| return "PTRACE_GETREGS"; |
| break; |
| case PTRACE_SETREGS: |
| return "PTRACE_SETREGS"; |
| break; |
| case PTRACE_GETFPREGS: |
| return "PTRACE_GETFPREGS"; |
| break; |
| case PTRACE_SETFPREGS: |
| return "PTRACE_SETFPREGS"; |
| break; |
| case PTRACE_READDATA: |
| return "PTRACE_READDATA"; |
| break; |
| case PTRACE_WRITEDATA: |
| return "PTRACE_WRITEDATA"; |
| break; |
| case PTRACE_READTEXT: |
| return "PTRACE_READTEXT"; |
| break; |
| case PTRACE_WRITETEXT: |
| return "PTRACE_WRITETEXT"; |
| break; |
| case PTRACE_GETFPAREGS: |
| return "PTRACE_GETFPAREGS"; |
| break; |
| case PTRACE_SETFPAREGS: |
| return "PTRACE_SETFPAREGS"; |
| break; |
| case PTRACE_GETWINDOW: |
| return "PTRACE_GETWINDOW"; |
| break; |
| case PTRACE_SETWINDOW: |
| return "PTRACE_SETWINDOW"; |
| break; |
| case PTRACE_SYSCALL: |
| return "PTRACE_SYSCALL"; |
| break; |
| case PTRACE_DUMPCORE: |
| return "PTRACE_DUMPCORE"; |
| break; |
| case PTRACE_SETWRBKPT: |
| return "PTRACE_SETWRBKPT"; |
| break; |
| case PTRACE_SETACBKPT: |
| return "PTRACE_SETACBKPT"; |
| break; |
| case PTRACE_CLRBKPT: |
| return "PTRACE_CLRBKPT"; |
| break; |
| case PTRACE_GET_UCODE: |
| return "PTRACE_GET_UCODE"; |
| break; |
| #ifdef PT_READ_GPR |
| case PT_READ_GPR: |
| return "PT_READ_GPR"; |
| break; |
| #endif |
| #ifdef PT_WRITE_GPR |
| case PT_WRITE_GPR: |
| return "PT_WRITE_GPR"; |
| break; |
| #endif |
| #ifdef PT_READ_FPR |
| case PT_READ_FPR: |
| return "PT_READ_FPR"; |
| break; |
| #endif |
| #ifdef PT_WRITE_FPR |
| case PT_WRITE_FPR: |
| return "PT_WRITE_FPR"; |
| break; |
| #endif |
| #ifdef PT_READ_VPR |
| case PT_READ_VPR: |
| return "PT_READ_VPR"; |
| break; |
| #endif |
| #ifdef PT_WRITE_VPR |
| case PT_WRITE_VPR: |
| return "PT_WRITE_VPR"; |
| break; |
| #endif |
| #ifdef PTRACE_PEEKUSP |
| case PTRACE_PEEKUSP: |
| return "PTRACE_PEEKUSP"; |
| break; |
| #endif |
| #ifdef PTRACE_POKEUSP |
| case PTRACE_POKEUSP: |
| return "PTRACE_POKEUSP"; |
| break; |
| #endif |
| case PTRACE_PEEKTHREAD: |
| return "PTRACE_PEEKTHREAD"; |
| break; |
| case PTRACE_THREADUSER: |
| return "PTRACE_THREADUSER"; |
| break; |
| case PTRACE_FPREAD: |
| return "PTRACE_FPREAD"; |
| break; |
| case PTRACE_FPWRITE: |
| return "PTRACE_FPWRITE"; |
| break; |
| case PTRACE_SETSIG: |
| return "PTRACE_SETSIG"; |
| break; |
| case PTRACE_CONT_ONE: |
| return "PTRACE_CONT_ONE"; |
| break; |
| case PTRACE_KILL_ONE: |
| return "PTRACE_KILL_ONE"; |
| break; |
| case PTRACE_SINGLESTEP_ONE: |
| return "PTRACE_SINGLESTEP_ONE"; |
| break; |
| case PTRACE_GETLOADINFO: |
| return "PTRACE_GETLOADINFO"; |
| break; |
| case PTRACE_GETTHREADLIST: |
| return "PTRACE_GETTHREADLIST"; |
| break; |
| } |
| return "<unknown-request>"; |
| } |
| |
| /* A wrapper around ptrace that allows us to print debug traces of |
| ptrace calls if debug traces are activated. */ |
| |
| static int |
| lynx_ptrace (int request, ptid_t ptid, int addr, int data, int addr2) |
| { |
| int result; |
| const int pid = lynx_ptrace_pid_from_ptid (ptid); |
| int saved_errno; |
| |
| if (debug_threads) |
| fprintf (stderr, "PTRACE (%s, pid=%d(pid=%d, tid=%d), addr=0x%x, " |
| "data=0x%x, addr2=0x%x)", |
| ptrace_request_to_str (request), pid, PIDGET (pid), TIDGET (pid), |
| addr, data, addr2); |
| result = ptrace (request, pid, addr, data, addr2); |
| saved_errno = errno; |
| if (debug_threads) |
| fprintf (stderr, " -> %d (=0x%x)\n", result, result); |
| |
| errno = saved_errno; |
| return result; |
| } |
| |
| /* Implement the create_inferior method of the target_ops vector. */ |
| |
| static int |
| lynx_create_inferior (char *program, char **allargs) |
| { |
| struct process_info *new_process; |
| int pid; |
| |
| lynx_debug ("lynx_create_inferior ()"); |
| |
| pid = fork (); |
| if (pid < 0) |
| perror_with_name ("fork"); |
| |
| if (pid == 0) |
| { |
| int pgrp; |
| |
| /* Switch child to its own process group so that signals won't |
| directly affect gdbserver. */ |
| pgrp = getpid(); |
| setpgid (0, pgrp); |
| ioctl (0, TIOCSPGRP, &pgrp); |
| lynx_ptrace (PTRACE_TRACEME, null_ptid, 0, 0, 0); |
| execv (program, allargs); |
| fprintf (stderr, "Cannot exec %s: %s.\n", program, strerror (errno)); |
| fflush (stderr); |
| _exit (0177); |
| } |
| |
| new_process = add_process (pid, 0); |
| /* Do not add the process thread just yet, as we do not know its tid. |
| We will add it later, during the wait for the STOP event corresponding |
| to the lynx_ptrace (PTRACE_TRACEME) call above. */ |
| return pid; |
| } |
| |
| /* Implement the attach target_ops method. */ |
| |
| static int |
| lynx_attach (unsigned long pid) |
| { |
| struct process_info *new_process; |
| ptid_t ptid = lynx_ptid_build (pid, 0); |
| |
| if (lynx_ptrace (PTRACE_ATTACH, ptid, 0, 0, 0) != 0) |
| error ("Cannot attach to process %lu: %s (%d)\n", pid, |
| strerror (errno), errno); |
| |
| new_process = add_process (pid, 1); |
| add_thread (ptid, NULL); |
| |
| return 0; |
| } |
| |
| /* Implement the resume target_ops method. */ |
| |
| static void |
| lynx_resume (struct thread_resume *resume_info, size_t n) |
| { |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| /* FIXME: Assume for now that n == 1. */ |
| const int request = (resume_info[0].kind == resume_step |
| ? PTRACE_SINGLESTEP : PTRACE_CONT); |
| const int signal = resume_info[0].sig; |
| int ret; |
| |
| regcache_invalidate (); |
| ret = lynx_ptrace (request, inferior_ptid, 1, signal, 0); |
| } |
| |
| /* Resume the execution of the given PTID. */ |
| |
| static void |
| lynx_continue (ptid_t ptid) |
| { |
| struct thread_resume resume_info; |
| |
| resume_info.thread = ptid; |
| resume_info.kind = resume_continue; |
| resume_info.sig = 0; |
| |
| lynx_resume (&resume_info, 1); |
| } |
| |
| /* Remove all inferiors and associated threads. */ |
| |
| static void |
| lynx_clear_inferiors (void) |
| { |
| /* We do not use private data, so nothing much to do except calling |
| clear_inferiors. */ |
| clear_inferiors (); |
| } |
| |
| /* A wrapper around waitpid that handles the various idiosyncrasies |
| of LynxOS' waitpid. */ |
| |
| static int |
| lynx_waitpid (int pid, int *stat_loc) |
| { |
| int ret = 0; |
| |
| while (1) |
| { |
| ret = waitpid (pid, stat_loc, WNOHANG); |
| if (ret < 0) |
| { |
| /* An ECHILD error is not indicative of a real problem. |
| It happens for instance while waiting for the inferior |
| to stop after attaching to it. */ |
| if (errno != ECHILD) |
| perror_with_name ("waitpid (WNOHANG)"); |
| } |
| if (ret > 0) |
| break; |
| /* No event with WNOHANG. See if there is one with WUNTRACED. */ |
| ret = waitpid (pid, stat_loc, WNOHANG | WUNTRACED); |
| if (ret < 0) |
| { |
| /* An ECHILD error is not indicative of a real problem. |
| It happens for instance while waiting for the inferior |
| to stop after attaching to it. */ |
| if (errno != ECHILD) |
| perror_with_name ("waitpid (WNOHANG|WUNTRACED)"); |
| } |
| if (ret > 0) |
| break; |
| usleep (1000); |
| } |
| return ret; |
| } |
| |
| /* Implement the wait target_ops method. */ |
| |
| static ptid_t |
| lynx_wait_1 (ptid_t ptid, struct target_waitstatus *status, int options) |
| { |
| int pid; |
| int ret; |
| int wstat; |
| ptid_t new_ptid; |
| |
| if (ptid_equal (ptid, minus_one_ptid)) |
| pid = lynx_ptid_get_pid (thread_to_gdb_id (current_inferior)); |
| else |
| pid = BUILDPID (lynx_ptid_get_pid (ptid), lynx_ptid_get_tid (ptid)); |
| |
| retry: |
| |
| ret = lynx_waitpid (pid, &wstat); |
| new_ptid = lynx_ptid_build (ret, ((union wait *) &wstat)->w_tid); |
| |
| /* If this is a new thread, then add it now. The reason why we do |
| this here instead of when handling new-thread events is because |
| we need to add the thread associated to the "main" thread - even |
| for non-threaded applications where the new-thread events are not |
| generated. */ |
| if (!find_thread_ptid (new_ptid)) |
| add_thread (new_ptid, NULL); |
| |
| if (WIFSTOPPED (wstat)) |
| { |
| status->kind = TARGET_WAITKIND_STOPPED; |
| status->value.integer = target_signal_from_host (WSTOPSIG (wstat)); |
| lynx_debug ("process stopped with signal: %d", |
| status->value.integer); |
| } |
| else if (WIFEXITED (wstat)) |
| { |
| status->kind = TARGET_WAITKIND_EXITED; |
| status->value.integer = WEXITSTATUS (wstat); |
| lynx_debug ("process exited with code: %d", status->value.integer); |
| } |
| else if (WIFSIGNALED (wstat)) |
| { |
| status->kind = TARGET_WAITKIND_SIGNALLED; |
| status->value.integer = target_signal_from_host (WTERMSIG (wstat)); |
| lynx_debug ("process terminated with code: %d", |
| status->value.integer); |
| } |
| else |
| { |
| /* Not sure what happened if we get here, or whether we can |
| in fact get here. But if we do, handle the event the best |
| we can. */ |
| status->kind = TARGET_WAITKIND_STOPPED; |
| status->value.integer = target_signal_from_host (0); |
| lynx_debug ("unknown event ????"); |
| } |
| |
| /* SIGTRAP events are generated for situations other than single-step/ |
| breakpoint events (Eg. new-thread events). Handle those other types |
| of events, and resume the execution if necessary. */ |
| if (status->kind == TARGET_WAITKIND_STOPPED |
| && status->value.integer == TARGET_SIGNAL_TRAP) |
| { |
| const int realsig = lynx_ptrace (PTRACE_GETTRACESIG, new_ptid, 0, 0, 0); |
| |
| lynx_debug ("(realsig = %d)", realsig); |
| switch (realsig) |
| { |
| case SIGNEWTHREAD: |
| /* We just added the new thread above. No need to do anything |
| further. Just resume the execution again. */ |
| lynx_continue (ptid); |
| goto retry; |
| |
| case SIGTHREADEXIT: |
| remove_thread (find_thread_ptid (new_ptid)); |
| lynx_continue (ptid); |
| goto retry; |
| } |
| } |
| |
| return new_ptid; |
| } |
| |
| /* A wrapper around lynx_wait_1 that also prints debug traces when |
| such debug traces have been activated. */ |
| |
| static ptid_t |
| lynx_wait (ptid_t ptid, struct target_waitstatus *status, int options) |
| { |
| ptid_t new_ptid; |
| |
| lynx_debug ("lynx_wait (pid = %d, tid = %ld)", |
| lynx_ptid_get_pid (ptid), lynx_ptid_get_tid (ptid)); |
| new_ptid = lynx_wait_1 (ptid, status, options); |
| lynx_debug (" -> (pid=%d, tid=%ld, status->kind = %d)", |
| lynx_ptid_get_pid (new_ptid), lynx_ptid_get_tid (new_ptid), |
| status->kind); |
| return new_ptid; |
| } |
| |
| /* Implement the kill target_ops method. */ |
| |
| static int |
| lynx_kill (int pid) |
| { |
| ptid_t ptid = lynx_ptid_build (pid, 0); |
| struct target_waitstatus status; |
| struct process_info *process; |
| |
| process = find_process_pid (pid); |
| if (process == NULL) |
| return -1; |
| |
| lynx_ptrace (PTRACE_KILL, ptid, 0, 0, 0); |
| lynx_wait (ptid, &status, 0); |
| the_target->mourn (process); |
| return 0; |
| } |
| |
| /* Implement the detach target_ops method. */ |
| |
| static int |
| lynx_detach (int pid) |
| { |
| ptid_t ptid = lynx_ptid_build (pid, 0); |
| struct process_info *process; |
| |
| process = find_process_pid (pid); |
| if (process == NULL) |
| return -1; |
| |
| lynx_ptrace (PTRACE_DETACH, ptid, 0, 0, 0); |
| the_target->mourn (process); |
| return 0; |
| } |
| |
| /* Implement the mourn target_ops method. */ |
| |
| static void |
| lynx_mourn (struct process_info *proc) |
| { |
| lynx_clear_inferiors (); |
| } |
| |
| /* Implement the join target_ops method. */ |
| |
| static void |
| lynx_join (int pid) |
| { |
| /* The PTRACE_DETACH is sufficient to detach from the process. |
| So no need to do anything extra. */ |
| } |
| |
| /* Implement the thread_alive target_ops method. */ |
| |
| static int |
| lynx_thread_alive (ptid_t ptid) |
| { |
| /* The list of threads is updated at the end of each wait, so it |
| should be up to date. No need to re-fetch it. */ |
| return (find_thread_ptid (ptid) != NULL); |
| } |
| |
| /* Implement the fetch_registers target_ops method. */ |
| |
| static void |
| lynx_fetch_registers (struct regcache *regcache, int regno) |
| { |
| struct lynx_regset_info *regset = lynx_target_regsets; |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| |
| lynx_debug ("lynx_fetch_registers (regno = %d)", regno); |
| |
| while (regset->size >= 0) |
| { |
| char *buf; |
| int res; |
| |
| buf = xmalloc (regset->size); |
| res = lynx_ptrace (regset->get_request, inferior_ptid, (int) buf, 0, 0); |
| if (res < 0) |
| perror ("ptrace"); |
| regset->store_function (regcache, buf); |
| free (buf); |
| regset++; |
| } |
| } |
| |
| /* Implement the store_registers target_ops method. */ |
| |
| static void |
| lynx_store_registers (struct regcache *regcache, int regno) |
| { |
| struct lynx_regset_info *regset = lynx_target_regsets; |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| |
| lynx_debug ("lynx_store_registers (regno = %d)", regno); |
| |
| while (regset->size >= 0) |
| { |
| char *buf; |
| int res; |
| |
| buf = xmalloc (regset->size); |
| res = lynx_ptrace (regset->get_request, inferior_ptid, (int) buf, 0, 0); |
| if (res == 0) |
| { |
| /* Then overlay our cached registers on that. */ |
| regset->fill_function (regcache, buf); |
| /* Only now do we write the register set. */ |
| res = lynx_ptrace (regset->set_request, inferior_ptid, (int) buf, |
| 0, 0); |
| } |
| if (res < 0) |
| perror ("ptrace"); |
| free (buf); |
| regset++; |
| } |
| } |
| |
| /* Implement the read_memory target_ops method. */ |
| |
| static int |
| lynx_read_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len) |
| { |
| /* On LynxOS, memory reads needs to be performed in chunks the size |
| of int types, and they should also be aligned accordingly. */ |
| int buf; |
| const int xfer_size = sizeof (buf); |
| CORE_ADDR addr = memaddr & -(CORE_ADDR) xfer_size; |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| |
| while (addr < memaddr + len) |
| { |
| int skip = 0; |
| int truncate = 0; |
| |
| errno = 0; |
| if (addr < memaddr) |
| skip = memaddr - addr; |
| if (addr + xfer_size > memaddr + len) |
| truncate = addr + xfer_size - memaddr - len; |
| buf = lynx_ptrace (PTRACE_PEEKTEXT, inferior_ptid, addr, 0, 0); |
| if (errno) |
| return errno; |
| memcpy (myaddr + (addr - memaddr) + skip, (gdb_byte *) &buf + skip, |
| xfer_size - skip - truncate); |
| addr += xfer_size; |
| } |
| |
| return 0; |
| } |
| |
| /* Implement the write_memory target_ops method. */ |
| |
| static int |
| lynx_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len) |
| { |
| /* On LynxOS, memory writes needs to be performed in chunks the size |
| of int types, and they should also be aligned accordingly. */ |
| int buf; |
| const int xfer_size = sizeof (buf); |
| CORE_ADDR addr = memaddr & -(CORE_ADDR) xfer_size; |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| |
| while (addr < memaddr + len) |
| { |
| int skip = 0; |
| int truncate = 0; |
| |
| if (addr < memaddr) |
| skip = memaddr - addr; |
| if (addr + xfer_size > memaddr + len) |
| truncate = addr + xfer_size - memaddr - len; |
| if (skip > 0 || truncate > 0) |
| /* We need to read the memory at this address in order to preserve |
| the data that we are not overwriting. */ |
| lynx_read_memory (addr, (unsigned char *) &buf, xfer_size); |
| if (errno) |
| return errno; |
| memcpy ((gdb_byte *) &buf + skip, myaddr + (addr - memaddr) + skip, |
| xfer_size - skip - truncate); |
| errno = 0; |
| lynx_ptrace (PTRACE_POKETEXT, inferior_ptid, addr, buf, 0); |
| if (errno) |
| return errno; |
| addr += xfer_size; |
| } |
| |
| return 0; |
| } |
| |
| /* Implement the kill_request target_ops method. */ |
| |
| static void |
| lynx_request_interrupt (void) |
| { |
| ptid_t inferior_ptid = thread_to_gdb_id (current_inferior); |
| |
| kill (lynx_ptid_get_pid (inferior_ptid), SIGINT); |
| } |
| |
| /* The LynxOS target_ops vector. */ |
| |
| static struct target_ops lynx_target_ops = { |
| lynx_create_inferior, |
| lynx_attach, |
| lynx_kill, |
| lynx_detach, |
| lynx_mourn, |
| lynx_join, |
| lynx_thread_alive, |
| lynx_resume, |
| lynx_wait, |
| lynx_fetch_registers, |
| lynx_store_registers, |
| NULL, /* prepare_to_access_memory */ |
| NULL, /* done_accessing_memory */ |
| lynx_read_memory, |
| lynx_write_memory, |
| NULL, /* look_up_symbols */ |
| lynx_request_interrupt, |
| NULL, /* read_auxv */ |
| NULL, /* insert_point */ |
| NULL, /* remove_point */ |
| NULL, /* stopped_by_watchpoint */ |
| NULL, /* stopped_data_address */ |
| NULL, /* read_offsets */ |
| NULL, /* get_tls_address */ |
| NULL, /* qxfer_spu */ |
| NULL, /* hostio_last_error */ |
| NULL, /* qxfer_osdata */ |
| NULL, /* qxfer_siginfo */ |
| NULL, /* supports_non_stop */ |
| NULL, /* async */ |
| NULL, /* start_non_stop */ |
| NULL, /* supports_multi_process */ |
| NULL, /* handle_monitor_command */ |
| }; |
| |
| void |
| initialize_low (void) |
| { |
| set_target_ops (&lynx_target_ops); |
| the_low_target.arch_setup (); |
| } |
| |