89 static int write_memory(pid_t pid, CORE_ADDR memaddr,  in write_memory()  argument
93    snprintf(procname, sizeof(procname), "/proc/%d/as", pid);  in write_memory()
127 static Bool attach(pid_t pid)  in attach()  argument
130    snprintf(procname, sizeof(procname), "/proc/%d/ctl", pid);  in attach()
132    DEBUG(1, "Attaching to pid %d.\n", pid);  in attach()
141    DEBUG(1, "Setting run-on-last-close-flag (PR_RLC) to pid %d.\n", pid);  in attach()
154    DEBUG(1, "Stopping process %d.\n", pid);  in attach()
165    DEBUG(1, "Process %d stopped.\n", pid);  in attach()
168    snprintf(procname, sizeof(procname), "/proc/%d/status", pid);  in attach()
184       DEBUG(2, "Process %d has run-on-last-close flag set. Good.\n", pid);  in attach()
186       ERROR(0, "Process %d does not have run-on-last-close flag set!\n", pid);  in attach()
192       DEBUG(3, "Process %d seems to be stopped. Good.\n", pid);  in attach()
194       ERROR(0, "Process %d is not stopped!\n", pid);  in attach()
203 static void detach(pid_t pid)  in detach()  argument
210    DEBUG(1, "Detached from pid %d.\n", pid);  in detach()
214 static Bool get_regs(pid_t pid, prgregset_t *regs)  in get_regs()  argument
217    snprintf(procname, sizeof(procname), "/proc/%d/lwp/1/lwpstatus", pid);  in get_regs()
219    DEBUG(1, "Getting registers from the first thread of process %d.\n", pid);  in get_regs()
236    DEBUG(3, "Registers of thread %d from process %d: ", status.pr_lwpid, pid);  in get_regs()
252 static Bool setup_stack_frame(pid_t pid, prgregset_t *regs)  in setup_stack_frame()  argument
254    DEBUG(1, "Setting up new stack frame of process %d.\n", pid);  in setup_stack_frame()
281       DEBUG(1, "Pushing check argument to process %d memory.\n", pid);  in setup_stack_frame()
283       int error = write_memory(pid, sp, &check, regsize);  in setup_stack_frame()
286                       pid);  in setup_stack_frame()
287          detach(pid);  in setup_stack_frame()
293                pid);  in setup_stack_frame()
296       error = write_memory(pid, sp, &bad_return, regsize);  in setup_stack_frame()
299                       "memory.\n", pid);  in setup_stack_frame()
300          detach(pid);  in setup_stack_frame()
337                pid);  in setup_stack_frame()
338       int error = write_memory(pid, sp, &bad_return,  in setup_stack_frame()
342                       "memory.\n", pid);  in setup_stack_frame()
343          detach(pid);  in setup_stack_frame()
358    DEBUG(1, "New stack frame set up for process %d.\n", pid);  in setup_stack_frame()
371 static Bool invoke_agent(pid_t pid, prgregset_t *regs, id_t *agent_lwpid)  in invoke_agent()  argument
375    DEBUG(1, "Creating an agent thread within process %d.\n", pid);  in invoke_agent()
388    DEBUG(1, "Obtaining agent thread lwpid for process %d.\n", pid);  in invoke_agent()
392             "/proc/%d/lwp/agent/lwpstatus", pid);  in invoke_agent()
414             "/proc/%d/lwp/agent/lwpctl", pid);  in invoke_agent()
424    DEBUG(1, "Resuming the agent thread for process %d.\n", pid);  in invoke_agent()
440          *agent_lwpid, pid);  in invoke_agent()
447 static Bool wait_for_agent_exit(pid_t pid, id_t agent_lwpid)  in wait_for_agent_exit()  argument
450    snprintf(procname, sizeof(procname), "/proc/%d/lwp/agent/lwpctl", pid);  in wait_for_agent_exit()
475                   agent_lwpid, pid);  in wait_for_agent_exit()
487 Bool invoker_invoke_gdbserver(pid_t pid)  in invoker_invoke_gdbserver()  argument
489    if (attach(pid) != True) {  in invoker_invoke_gdbserver()
494    if (get_regs(pid, &regs) != True) {  in invoker_invoke_gdbserver()
495       detach(pid);  in invoker_invoke_gdbserver()
499    if (setup_stack_frame(pid, &regs) != True) {  in invoker_invoke_gdbserver()
500       detach(pid);  in invoker_invoke_gdbserver()
505    if (invoke_agent(pid, &regs, &agent_lwpid) != True) {  in invoker_invoke_gdbserver()
506       detach(pid);  in invoker_invoke_gdbserver()
510    if (wait_for_agent_exit(pid, agent_lwpid) != True) {  in invoker_invoke_gdbserver()
511       detach(pid);  in invoker_invoke_gdbserver()
515    detach(pid);  in invoker_invoke_gdbserver()