/* OBSOLETE /* Convex host-dependent code for GDB. */ /* OBSOLETE Copyright 1990, 1991, 1992 Free Software Foundation, Inc. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */ /* OBSOLETE */ /* OBSOLETE #include "defs.h" */ /* OBSOLETE #include "command.h" */ /* OBSOLETE #include "symtab.h" */ /* OBSOLETE #include "value.h" */ /* OBSOLETE #include "frame.h" */ /* OBSOLETE #include "inferior.h" */ /* OBSOLETE #include "gdb_wait.h" */ /* OBSOLETE */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include "gdbcore.h" */ /* OBSOLETE */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include "gdb_stat.h" */ /* OBSOLETE #include */ /* OBSOLETE */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE #include */ /* OBSOLETE */ /* OBSOLETE /* Per-thread data, read from the inferior at each stop and written */ /* OBSOLETE back at each resume. *x/ */ /* OBSOLETE */ /* OBSOLETE /* Number of active threads. */ /* OBSOLETE Tables are valid for thread numbers less than this. *x/ */ /* OBSOLETE */ /* OBSOLETE static int n_threads; */ /* OBSOLETE */ /* OBSOLETE #define MAXTHREADS 8 */ /* OBSOLETE */ /* OBSOLETE /* Thread state. The remaining data is valid only if this is PI_TALIVE. *x/ */ /* OBSOLETE */ /* OBSOLETE static int thread_state[MAXTHREADS]; */ /* OBSOLETE */ /* OBSOLETE /* Stop pc, signal, signal subcode *x/ */ /* OBSOLETE */ /* OBSOLETE static int thread_pc[MAXTHREADS]; */ /* OBSOLETE static int thread_signal[MAXTHREADS]; */ /* OBSOLETE static int thread_sigcode[MAXTHREADS]; */ /* OBSOLETE */ /* OBSOLETE /* Thread registers. */ /* OBSOLETE If thread is selected, the regs are in registers[] instead. *x/ */ /* OBSOLETE */ /* OBSOLETE static char thread_regs[MAXTHREADS][REGISTER_BYTES]; */ /* OBSOLETE */ /* OBSOLETE /* 1 if the top frame on the thread's stack was a context frame, */ /* OBSOLETE meaning that the kernel is up to something and we should not */ /* OBSOLETE touch the thread at all except to resume it. *x/ */ /* OBSOLETE */ /* OBSOLETE static char thread_is_in_kernel[MAXTHREADS]; */ /* OBSOLETE */ /* OBSOLETE /* The currently selected thread's number. *x/ */ /* OBSOLETE */ /* OBSOLETE static int inferior_thread; */ /* OBSOLETE */ /* OBSOLETE /* Inferior process's file handle and a process control block */ /* OBSOLETE to feed args to ioctl with. *x/ */ /* OBSOLETE */ /* OBSOLETE static int inferior_fd; */ /* OBSOLETE static struct pcntl ps; */ /* OBSOLETE */ /* OBSOLETE /* SOFF file headers for exec or core file. *x/ */ /* OBSOLETE */ /* OBSOLETE static FILEHDR filehdr; */ /* OBSOLETE static OPTHDR opthdr; */ /* OBSOLETE static SCNHDR scnhdr; */ /* OBSOLETE */ /* OBSOLETE /* Address maps constructed from section headers of exec and core files. */ /* OBSOLETE Defines process address -> file address translation. *x/ */ /* OBSOLETE */ /* OBSOLETE struct pmap */ /* OBSOLETE { */ /* OBSOLETE long mem_addr; /* process start address *x/ */ /* OBSOLETE long mem_end; /* process end+1 address *x/ */ /* OBSOLETE long file_addr; /* file start address *x/ */ /* OBSOLETE long thread; /* -1 shared; 0,1,... thread-local *x/ */ /* OBSOLETE long type; /* S_TEXT S_DATA S_BSS S_TBSS etc *x/ */ /* OBSOLETE long which; /* used to sort map for info files *x/ */ /* OBSOLETE }; */ /* OBSOLETE */ /* OBSOLETE static int n_exec, n_core; */ /* OBSOLETE static struct pmap exec_map[100]; */ /* OBSOLETE static struct pmap core_map[100]; */ /* OBSOLETE */ /* OBSOLETE /* Offsets in the core file of core_context and core_tcontext blocks. *x/ */ /* OBSOLETE */ /* OBSOLETE static int context_offset; */ /* OBSOLETE static int tcontext_offset[MAXTHREADS]; */ /* OBSOLETE */ /* OBSOLETE /* Core file control blocks. *x/ */ /* OBSOLETE */ /* OBSOLETE static struct core_context_v70 c; */ /* OBSOLETE static struct core_tcontext_v70 tc; */ /* OBSOLETE static struct user u; */ /* OBSOLETE static thread_t th; */ /* OBSOLETE static proc_t pr; */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Vector and communication registers from core dump or from inferior. */ /* OBSOLETE These are read on demand, ie, not normally valid. *x/ */ /* OBSOLETE */ /* OBSOLETE static struct vecst vector_registers; */ /* OBSOLETE static struct creg_ctx comm_registers; */ /* OBSOLETE */ /* OBSOLETE /* Flag, set on a vanilla CONT command and cleared when the inferior */ /* OBSOLETE is continued. *x/ */ /* OBSOLETE */ /* OBSOLETE static int all_continue; */ /* OBSOLETE */ /* OBSOLETE /* Flag, set when the inferior is continued by a vanilla CONT command, */ /* OBSOLETE cleared if it is continued for any other purpose. *x/ */ /* OBSOLETE */ /* OBSOLETE static int thread_switch_ok; */ /* OBSOLETE */ /* OBSOLETE /* Stack of signals recieved from threads but not yet delivered to gdb. *x/ */ /* OBSOLETE */ /* OBSOLETE struct threadpid */ /* OBSOLETE { */ /* OBSOLETE int pid; */ /* OBSOLETE int thread; */ /* OBSOLETE int signo; */ /* OBSOLETE int subsig; */ /* OBSOLETE int pc; */ /* OBSOLETE }; */ /* OBSOLETE */ /* OBSOLETE static struct threadpid signal_stack_bot[100]; */ /* OBSOLETE static struct threadpid *signal_stack = signal_stack_bot; */ /* OBSOLETE */ /* OBSOLETE /* How to detect empty stack -- bottom frame is all zero. *x/ */ /* OBSOLETE */ /* OBSOLETE #define signal_stack_is_empty() (signal_stack->pid == 0) */ /* OBSOLETE */ /* OBSOLETE /* Mode controlled by SET PIPE command, controls the psw SEQ bit */ /* OBSOLETE which forces each instruction to complete before the next one starts. *x/ */ /* OBSOLETE */ /* OBSOLETE static int sequential = 0; */ /* OBSOLETE */ /* OBSOLETE /* Mode controlled by the SET PARALLEL command. Values are: */ /* OBSOLETE 0 concurrency limit 1 thread, dynamic scheduling */ /* OBSOLETE 1 no concurrency limit, dynamic scheduling */ /* OBSOLETE 2 no concurrency limit, fixed scheduling *x/ */ /* OBSOLETE */ /* OBSOLETE static int parallel = 1; */ /* OBSOLETE */ /* OBSOLETE /* Mode controlled by SET BASE command, output radix for unformatted */ /* OBSOLETE integer typeout, as in argument lists, aggregates, and so on. */ /* OBSOLETE Zero means guess whether it's an address (hex) or not (decimal). *x/ */ /* OBSOLETE */ /* OBSOLETE static int output_radix = 0; */ /* OBSOLETE */ /* OBSOLETE /* Signal subcode at last thread stop. *x/ */ /* OBSOLETE */ /* OBSOLETE static int stop_sigcode; */ /* OBSOLETE */ /* OBSOLETE /* Hack, see wait() below. *x/ */ /* OBSOLETE */ /* OBSOLETE static int exec_trap_timer; */ /* OBSOLETE */ /* OBSOLETE #include "gdbcmd.h" */ /* OBSOLETE */ /* OBSOLETE static struct type *vector_type (); */ /* OBSOLETE static long *read_vector_register (); */ /* OBSOLETE static long *read_vector_register_1 (); */ /* OBSOLETE static void write_vector_register (); */ /* OBSOLETE static ULONGEST read_comm_register (); */ /* OBSOLETE static void write_comm_register (); */ /* OBSOLETE static void convex_cont_command (); */ /* OBSOLETE static void thread_continue (); */ /* OBSOLETE static void select_thread (); */ /* OBSOLETE static void scan_stack (); */ /* OBSOLETE static void set_fixed_scheduling (); */ /* OBSOLETE static char *subsig_name (); */ /* OBSOLETE static void psw_info (); */ /* OBSOLETE static sig_noop (); */ /* OBSOLETE static ptr_cmp (); */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Execute ptrace. Convex V7 replaced ptrace with pattach. */ /* OBSOLETE Allow ptrace (0) as a no-op. *x/ */ /* OBSOLETE */ /* OBSOLETE int */ /* OBSOLETE call_ptrace (request, pid, procaddr, buf) */ /* OBSOLETE int request, pid; */ /* OBSOLETE PTRACE_ARG3_TYPE procaddr; */ /* OBSOLETE int buf; */ /* OBSOLETE { */ /* OBSOLETE if (request == 0) */ /* OBSOLETE return; */ /* OBSOLETE error ("no ptrace"); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Replacement for system execle routine. */ /* OBSOLETE Convert it to an equivalent exect, which pattach insists on. *x/ */ /* OBSOLETE */ /* OBSOLETE execle (name, argv) */ /* OBSOLETE char *name, *argv; */ /* OBSOLETE { */ /* OBSOLETE char ***envp = (char ***) &argv; */ /* OBSOLETE while (*envp++) ; */ /* OBSOLETE */ /* OBSOLETE signal (SIGTRAP, sig_noop); */ /* OBSOLETE exect (name, &argv, *envp); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Stupid handler for stupid trace trap that otherwise causes */ /* OBSOLETE startup to stupidly hang. *x/ */ /* OBSOLETE */ /* OBSOLETE static sig_noop () */ /* OBSOLETE {} */ /* OBSOLETE */ /* OBSOLETE /* Read registers from inferior into registers[] array. */ /* OBSOLETE For convex, they are already there, read in when the inferior stops. *x/ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE fetch_inferior_registers (regno) */ /* OBSOLETE int regno; */ /* OBSOLETE { */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Store our register values back into the inferior. */ /* OBSOLETE For Convex, do this only once, right before resuming inferior. *x/ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE store_inferior_registers (regno) */ /* OBSOLETE int regno; */ /* OBSOLETE { */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Copy LEN bytes from inferior's memory starting at MEMADDR */ /* OBSOLETE to debugger memory starting at MYADDR. */ /* OBSOLETE On failure (cannot read from inferior, usually because address is out */ /* OBSOLETE of bounds) returns the value of errno. *x/ */ /* OBSOLETE */ /* OBSOLETE int */ /* OBSOLETE read_inferior_memory (memaddr, myaddr, len) */ /* OBSOLETE CORE_ADDR memaddr; */ /* OBSOLETE char *myaddr; */ /* OBSOLETE int len; */ /* OBSOLETE { */ /* OBSOLETE errno = 0; */ /* OBSOLETE while (len > 0) */ /* OBSOLETE { */ /* OBSOLETE /* little-known undocumented max request size *x/ */ /* OBSOLETE int i = (len < 12288) ? len : 12288; */ /* OBSOLETE */ /* OBSOLETE lseek (inferior_fd, memaddr, 0); */ /* OBSOLETE read (inferior_fd, myaddr, i); */ /* OBSOLETE */ /* OBSOLETE memaddr += i; */ /* OBSOLETE myaddr += i; */ /* OBSOLETE len -= i; */ /* OBSOLETE } */ /* OBSOLETE if (errno) */ /* OBSOLETE memset (myaddr, '\0', len); */ /* OBSOLETE return errno; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Copy LEN bytes of data from debugger memory at MYADDR */ /* OBSOLETE to inferior's memory at MEMADDR. */ /* OBSOLETE Returns errno on failure (cannot write the inferior) *x/ */ /* OBSOLETE */ /* OBSOLETE int */ /* OBSOLETE write_inferior_memory (memaddr, myaddr, len) */ /* OBSOLETE CORE_ADDR memaddr; */ /* OBSOLETE char *myaddr; */ /* OBSOLETE int len; */ /* OBSOLETE { */ /* OBSOLETE errno = 0; */ /* OBSOLETE lseek (inferior_fd, memaddr, 0); */ /* OBSOLETE write (inferior_fd, myaddr, len); */ /* OBSOLETE return errno; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Here from create_inferior when the inferior process has been created */ /* OBSOLETE and started up. We must do a pattach to grab it for debugging. */ /* OBSOLETE */ /* OBSOLETE Also, intercept the CONT command by altering its dispatch address. *x/ */ /* OBSOLETE /* FIXME: This used to be called from a macro CREATE_INFERIOR_HOOK. */ /* OBSOLETE But now init_trace_fun is in the same place. So re-write this to */ /* OBSOLETE use the init_trace_fun (making convex a debugging target). *x/ */ /* OBSOLETE */ /* OBSOLETE create_inferior_hook (pid) */ /* OBSOLETE int pid; */ /* OBSOLETE { */ /* OBSOLETE static char cont[] = "cont"; */ /* OBSOLETE static char cont1[] = "c"; */ /* OBSOLETE char *linep = cont; */ /* OBSOLETE char *linep1 = cont1; */ /* OBSOLETE char **line = &linep; */ /* OBSOLETE char **line1 = &linep1; */ /* OBSOLETE struct cmd_list_element *c; */ /* OBSOLETE */ /* OBSOLETE c = lookup_cmd (line, cmdlist, "", 0); */ /* OBSOLETE c->function = convex_cont_command; */ /* OBSOLETE c = lookup_cmd (line1, cmdlist, "", 0); */ /* OBSOLETE c->function = convex_cont_command; */ /* OBSOLETE */ /* OBSOLETE inferior_fd = pattach (pid, O_EXCL); */ /* OBSOLETE if (inferior_fd < 0) */ /* OBSOLETE perror_with_name ("pattach"); */ /* OBSOLETE inferior_thread = 0; */ /* OBSOLETE set_fixed_scheduling (pid, parallel == 2); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Attach process PID for debugging. *x/ */ /* OBSOLETE */ /* OBSOLETE attach (pid) */ /* OBSOLETE int pid; */ /* OBSOLETE { */ /* OBSOLETE int fd = pattach (pid, O_EXCL); */ /* OBSOLETE if (fd < 0) */ /* OBSOLETE perror_with_name ("pattach"); */ /* OBSOLETE attach_flag = 1; */ /* OBSOLETE /* wait for strange kernel reverberations to go away *x/ */ /* OBSOLETE sleep (1); */ /* OBSOLETE */ /* OBSOLETE setpgrp (pid, pid); */ /* OBSOLETE */ /* OBSOLETE inferior_fd = fd; */ /* OBSOLETE inferior_thread = 0; */ /* OBSOLETE return pid; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Stop debugging the process whose number is PID */ /* OBSOLETE and continue it with signal number SIGNAL. */ /* OBSOLETE SIGNAL = 0 means just continue it. *x/ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE detach (signal) */ /* OBSOLETE int signal; */ /* OBSOLETE { */ /* OBSOLETE signal_stack = signal_stack_bot; */ /* OBSOLETE thread_continue (-1, 0, signal); */ /* OBSOLETE ioctl (inferior_fd, PIXDETACH, &ps); */ /* OBSOLETE close (inferior_fd); */ /* OBSOLETE inferior_fd = 0; */ /* OBSOLETE attach_flag = 0; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Kill off the inferior process. *x/ */ /* OBSOLETE */ /* OBSOLETE kill_inferior () */ /* OBSOLETE { */ /* OBSOLETE if (inferior_pid == 0) */ /* OBSOLETE return; */ /* OBSOLETE ioctl (inferior_fd, PIXTERMINATE, 0); */ /* OBSOLETE wait (0); */ /* OBSOLETE target_mourn_inferior (); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Read vector register REG, and return a pointer to the value. *x/ */ /* OBSOLETE */ /* OBSOLETE static long * */ /* OBSOLETE read_vector_register (reg) */ /* OBSOLETE int reg; */ /* OBSOLETE { */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE { */ /* OBSOLETE errno = 0; */ /* OBSOLETE ps.pi_buffer = (char *) &vector_registers; */ /* OBSOLETE ps.pi_nbytes = sizeof vector_registers; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_thread = inferior_thread; */ /* OBSOLETE ioctl (inferior_fd, PIXRDVREGS, &ps); */ /* OBSOLETE if (errno) */ /* OBSOLETE memset (&vector_registers, '\0', sizeof vector_registers); */ /* OBSOLETE } */ /* OBSOLETE else if (corechan >= 0) */ /* OBSOLETE { */ /* OBSOLETE lseek (corechan, tcontext_offset[inferior_thread], 0); */ /* OBSOLETE if (myread (corechan, &tc, sizeof tc) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE lseek (corechan, tc.core_thread_p, 0); */ /* OBSOLETE if (myread (corechan, &th, sizeof th) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE lseek (corechan, tc.core_vregs_p, 0); */ /* OBSOLETE if (myread (corechan, &vector_registers, 16*128) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE vector_registers.vm[0] = th.t_vect_ctx.vc_vm[0]; */ /* OBSOLETE vector_registers.vm[1] = th.t_vect_ctx.vc_vm[1]; */ /* OBSOLETE vector_registers.vls = th.t_vect_ctx.vc_vls; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE return read_vector_register_1 (reg); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Return a pointer to vector register REG, which must already have been */ /* OBSOLETE fetched from the inferior or core file. *x/ */ /* OBSOLETE */ /* OBSOLETE static long * */ /* OBSOLETE read_vector_register_1 (reg) */ /* OBSOLETE int reg; */ /* OBSOLETE { */ /* OBSOLETE switch (reg) */ /* OBSOLETE { */ /* OBSOLETE case VM_REGNUM: */ /* OBSOLETE return (long *) vector_registers.vm; */ /* OBSOLETE case VS_REGNUM: */ /* OBSOLETE return (long *) &vector_registers.vls; */ /* OBSOLETE case VL_REGNUM: */ /* OBSOLETE return 1 + (long *) &vector_registers.vls; */ /* OBSOLETE default: */ /* OBSOLETE return (long *) &vector_registers.vr[reg]; */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Write vector register REG, element ELEMENT, new value VAL. */ /* OBSOLETE NB: must use read-modify-write on the entire vector state, */ /* OBSOLETE since pattach does not do offsetted writes correctly. *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE write_vector_register (reg, element, val) */ /* OBSOLETE int reg, element; */ /* OBSOLETE ULONGEST val; */ /* OBSOLETE { */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE { */ /* OBSOLETE errno = 0; */ /* OBSOLETE ps.pi_thread = inferior_thread; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_buffer = (char *) &vector_registers; */ /* OBSOLETE ps.pi_nbytes = sizeof vector_registers; */ /* OBSOLETE */ /* OBSOLETE ioctl (inferior_fd, PIXRDVREGS, &ps); */ /* OBSOLETE */ /* OBSOLETE switch (reg) */ /* OBSOLETE { */ /* OBSOLETE case VL_REGNUM: */ /* OBSOLETE vector_registers.vls = */ /* OBSOLETE (vector_registers.vls & 0xffffffff00000000LL) */ /* OBSOLETE + (unsigned long) val; */ /* OBSOLETE break; */ /* OBSOLETE */ /* OBSOLETE case VS_REGNUM: */ /* OBSOLETE vector_registers.vls = */ /* OBSOLETE (val << 32) + (unsigned long) vector_registers.vls; */ /* OBSOLETE break; */ /* OBSOLETE */ /* OBSOLETE default: */ /* OBSOLETE vector_registers.vr[reg].el[element] = val; */ /* OBSOLETE break; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE ioctl (inferior_fd, PIXWRVREGS, &ps); */ /* OBSOLETE */ /* OBSOLETE if (errno) */ /* OBSOLETE perror_with_name ("writing vector register"); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Return the contents of communication register NUM. *x/ */ /* OBSOLETE */ /* OBSOLETE static ULONGEST */ /* OBSOLETE read_comm_register (num) */ /* OBSOLETE int num; */ /* OBSOLETE { */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE { */ /* OBSOLETE ps.pi_buffer = (char *) &comm_registers; */ /* OBSOLETE ps.pi_nbytes = sizeof comm_registers; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_thread = inferior_thread; */ /* OBSOLETE ioctl (inferior_fd, PIXRDCREGS, &ps); */ /* OBSOLETE } */ /* OBSOLETE return comm_registers.crreg.r4[num]; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Store a new value VAL into communication register NUM. */ /* OBSOLETE NB: Must use read-modify-write on the whole comm register set */ /* OBSOLETE since pattach does not do offsetted writes correctly. *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE write_comm_register (num, val) */ /* OBSOLETE int num; */ /* OBSOLETE ULONGEST val; */ /* OBSOLETE { */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE { */ /* OBSOLETE ps.pi_buffer = (char *) &comm_registers; */ /* OBSOLETE ps.pi_nbytes = sizeof comm_registers; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_thread = inferior_thread; */ /* OBSOLETE ioctl (inferior_fd, PIXRDCREGS, &ps); */ /* OBSOLETE comm_registers.crreg.r4[num] = val; */ /* OBSOLETE ioctl (inferior_fd, PIXWRCREGS, &ps); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Resume execution of the inferior process. */ /* OBSOLETE If STEP is nonzero, single-step it. */ /* OBSOLETE If SIGNAL is nonzero, give it that signal. *x/ */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE resume (step, signal) */ /* OBSOLETE int step; */ /* OBSOLETE int signal; */ /* OBSOLETE { */ /* OBSOLETE errno = 0; */ /* OBSOLETE if (step || signal) */ /* OBSOLETE thread_continue (inferior_thread, step, signal); */ /* OBSOLETE else */ /* OBSOLETE thread_continue (-1, 0, 0); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Maybe resume some threads. */ /* OBSOLETE THREAD is which thread to resume, or -1 to resume them all. */ /* OBSOLETE STEP and SIGNAL are as in resume. */ /* OBSOLETE */ /* OBSOLETE Global variable ALL_CONTINUE is set when we are here to do a */ /* OBSOLETE `cont' command; otherwise we may be doing `finish' or a call or */ /* OBSOLETE something else that will not tolerate an automatic thread switch. */ /* OBSOLETE */ /* OBSOLETE If there are stopped threads waiting to deliver signals, and */ /* OBSOLETE ALL_CONTINUE, do not actually resume anything. gdb will do a wait */ /* OBSOLETE and see one of the stopped threads in the queue. *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE thread_continue (thread, step, signal) */ /* OBSOLETE int thread, step, signal; */ /* OBSOLETE { */ /* OBSOLETE int n; */ /* OBSOLETE */ /* OBSOLETE /* If we are to continue all threads, but not for the CONTINUE command, */ /* OBSOLETE pay no attention and continue only the selected thread. *x/ */ /* OBSOLETE */ /* OBSOLETE if (thread < 0 && ! all_continue) */ /* OBSOLETE thread = inferior_thread; */ /* OBSOLETE */ /* OBSOLETE /* If we are not stepping, we have now executed the continue part */ /* OBSOLETE of a CONTINUE command. *x/ */ /* OBSOLETE */ /* OBSOLETE if (! step) */ /* OBSOLETE all_continue = 0; */ /* OBSOLETE */ /* OBSOLETE /* Allow wait() to switch threads if this is an all-out continue. *x/ */ /* OBSOLETE */ /* OBSOLETE thread_switch_ok = thread < 0; */ /* OBSOLETE */ /* OBSOLETE /* If there are threads queued up, don't resume. *x/ */ /* OBSOLETE */ /* OBSOLETE if (thread_switch_ok && ! signal_stack_is_empty ()) */ /* OBSOLETE return; */ /* OBSOLETE */ /* OBSOLETE /* OK, do it. *x/ */ /* OBSOLETE */ /* OBSOLETE for (n = 0; n < n_threads; n++) */ /* OBSOLETE if (thread_state[n] == PI_TALIVE) */ /* OBSOLETE { */ /* OBSOLETE select_thread (n); */ /* OBSOLETE */ /* OBSOLETE if ((thread < 0 || n == thread) && ! thread_is_in_kernel[n]) */ /* OBSOLETE { */ /* OBSOLETE /* Blam the trace bits in the stack's saved psws to match */ /* OBSOLETE the desired step mode. This is required so that */ /* OBSOLETE single-stepping a return doesn't restore a psw with a */ /* OBSOLETE clear trace bit and fly away, and conversely, */ /* OBSOLETE proceeding through a return in a routine that was */ /* OBSOLETE stepped into doesn't cause a phantom break by restoring */ /* OBSOLETE a psw with the trace bit set. *x/ */ /* OBSOLETE scan_stack (PSW_T_BIT, step); */ /* OBSOLETE scan_stack (PSW_S_BIT, sequential); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE ps.pi_buffer = registers; */ /* OBSOLETE ps.pi_nbytes = REGISTER_BYTES; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_thread = n; */ /* OBSOLETE if (! thread_is_in_kernel[n]) */ /* OBSOLETE if (ioctl (inferior_fd, PIXWRREGS, &ps)) */ /* OBSOLETE perror_with_name ("PIXWRREGS"); */ /* OBSOLETE */ /* OBSOLETE if (thread < 0 || n == thread) */ /* OBSOLETE { */ /* OBSOLETE ps.pi_pc = 1; */ /* OBSOLETE ps.pi_signo = signal; */ /* OBSOLETE if (ioctl (inferior_fd, step ? PIXSTEP : PIXCONTINUE, &ps) < 0) */ /* OBSOLETE perror_with_name ("PIXCONTINUE"); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE if (ioctl (inferior_fd, PIXRUN, &ps) < 0) */ /* OBSOLETE perror_with_name ("PIXRUN"); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Replacement for system wait routine. */ /* OBSOLETE */ /* OBSOLETE The system wait returns with one or more threads stopped by */ /* OBSOLETE signals. Put stopped threads on a stack and return them one by */ /* OBSOLETE one, so that it appears that wait returns one thread at a time. */ /* OBSOLETE */ /* OBSOLETE Global variable THREAD_SWITCH_OK is set when gdb can tolerate wait */ /* OBSOLETE returning a new thread. If it is false, then only one thread is */ /* OBSOLETE running; we will do a real wait, the thread will do something, and */ /* OBSOLETE we will return that. *x/ */ /* OBSOLETE */ /* OBSOLETE pid_t */ /* OBSOLETE wait (w) */ /* OBSOLETE union wait *w; */ /* OBSOLETE { */ /* OBSOLETE int pid; */ /* OBSOLETE */ /* OBSOLETE if (!w) */ /* OBSOLETE return wait3 (0, 0, 0); */ /* OBSOLETE */ /* OBSOLETE /* Do a real wait if we were told to, or if there are no queued threads. *x/ */ /* OBSOLETE */ /* OBSOLETE if (! thread_switch_ok || signal_stack_is_empty ()) */ /* OBSOLETE { */ /* OBSOLETE int thread; */ /* OBSOLETE */ /* OBSOLETE pid = wait3 (w, 0, 0); */ /* OBSOLETE */ /* OBSOLETE if (!WIFSTOPPED (*w) || pid != inferior_pid) */ /* OBSOLETE return pid; */ /* OBSOLETE */ /* OBSOLETE /* The inferior has done something and stopped. Read in all the */ /* OBSOLETE threads' registers, and queue up any signals that happened. *x/ */ /* OBSOLETE */ /* OBSOLETE if (ioctl (inferior_fd, PIXGETTHCOUNT, &ps) < 0) */ /* OBSOLETE perror_with_name ("PIXGETTHCOUNT"); */ /* OBSOLETE */ /* OBSOLETE n_threads = ps.pi_othdcnt; */ /* OBSOLETE for (thread = 0; thread < n_threads; thread++) */ /* OBSOLETE { */ /* OBSOLETE ps.pi_thread = thread; */ /* OBSOLETE if (ioctl (inferior_fd, PIXGETSUBCODE, &ps) < 0) */ /* OBSOLETE perror_with_name ("PIXGETSUBCODE"); */ /* OBSOLETE thread_state[thread] = ps.pi_otstate; */ /* OBSOLETE */ /* OBSOLETE if (ps.pi_otstate == PI_TALIVE) */ /* OBSOLETE { */ /* OBSOLETE select_thread (thread); */ /* OBSOLETE ps.pi_buffer = registers; */ /* OBSOLETE ps.pi_nbytes = REGISTER_BYTES; */ /* OBSOLETE ps.pi_offset = 0; */ /* OBSOLETE ps.pi_thread = thread; */ /* OBSOLETE if (ioctl (inferior_fd, PIXRDREGS, &ps) < 0) */ /* OBSOLETE perror_with_name ("PIXRDREGS"); */ /* OBSOLETE */ /* OBSOLETE registers_fetched (); */ /* OBSOLETE */ /* OBSOLETE thread_pc[thread] = read_pc (); */ /* OBSOLETE thread_signal[thread] = ps.pi_osigno; */ /* OBSOLETE thread_sigcode[thread] = ps.pi_osigcode; */ /* OBSOLETE */ /* OBSOLETE /* If the thread's stack has a context frame */ /* OBSOLETE on top, something fucked is going on. I do not */ /* OBSOLETE know what, but do I know this: the only thing you */ /* OBSOLETE can do with such a thread is continue it. *x/ */ /* OBSOLETE */ /* OBSOLETE thread_is_in_kernel[thread] = */ /* OBSOLETE ((read_register (PS_REGNUM) >> 25) & 3) == 0; */ /* OBSOLETE */ /* OBSOLETE /* Signals push an extended frame and then fault */ /* OBSOLETE with a ridiculous pc. Pop the frame. *x/ */ /* OBSOLETE */ /* OBSOLETE if (thread_pc[thread] > STACK_END_ADDR) */ /* OBSOLETE { */ /* OBSOLETE POP_FRAME; */ /* OBSOLETE if (is_break_pc (thread_pc[thread])) */ /* OBSOLETE thread_pc[thread] = read_pc () - 2; */ /* OBSOLETE else */ /* OBSOLETE thread_pc[thread] = read_pc (); */ /* OBSOLETE write_register (PC_REGNUM, thread_pc[thread]); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE if (ps.pi_osigno || ps.pi_osigcode) */ /* OBSOLETE { */ /* OBSOLETE signal_stack++; */ /* OBSOLETE signal_stack->pid = pid; */ /* OBSOLETE signal_stack->thread = thread; */ /* OBSOLETE signal_stack->signo = thread_signal[thread]; */ /* OBSOLETE signal_stack->subsig = thread_sigcode[thread]; */ /* OBSOLETE signal_stack->pc = thread_pc[thread]; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* The following hackery is caused by a unix 7.1 feature: */ /* OBSOLETE the inferior's fixed scheduling mode is cleared when */ /* OBSOLETE it execs the shell (since the shell is not a parallel */ /* OBSOLETE program). So, note the 5.4 trap we get when */ /* OBSOLETE the shell does its exec, then catch the 5.0 trap */ /* OBSOLETE that occurs when the debuggee starts, and set fixed */ /* OBSOLETE scheduling mode properly. *x/ */ /* OBSOLETE */ /* OBSOLETE if (ps.pi_osigno == 5 && ps.pi_osigcode == 4) */ /* OBSOLETE exec_trap_timer = 1; */ /* OBSOLETE else */ /* OBSOLETE exec_trap_timer--; */ /* OBSOLETE */ /* OBSOLETE if (ps.pi_osigno == 5 && exec_trap_timer == 0) */ /* OBSOLETE set_fixed_scheduling (pid, parallel == 2); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE if (signal_stack_is_empty ()) */ /* OBSOLETE error ("no active threads?!"); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Select the thread that stopped, and return *w saying why. *x/ */ /* OBSOLETE */ /* OBSOLETE select_thread (signal_stack->thread); */ /* OBSOLETE */ /* OBSOLETE FIXME: need to convert from host sig. */ /* OBSOLETE stop_signal = signal_stack->signo; */ /* OBSOLETE stop_sigcode = signal_stack->subsig; */ /* OBSOLETE */ /* OBSOLETE WSETSTOP (*w, signal_stack->signo); */ /* OBSOLETE w->w_thread = signal_stack->thread; */ /* OBSOLETE return (signal_stack--)->pid; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Select thread THREAD -- its registers, stack, per-thread memory. */ /* OBSOLETE This is the only routine that may assign to inferior_thread */ /* OBSOLETE or thread_regs[]. *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE select_thread (thread) */ /* OBSOLETE int thread; */ /* OBSOLETE { */ /* OBSOLETE if (thread == inferior_thread) */ /* OBSOLETE return; */ /* OBSOLETE */ /* OBSOLETE memcpy (thread_regs[inferior_thread], registers, REGISTER_BYTES); */ /* OBSOLETE ps.pi_thread = inferior_thread = thread; */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE ioctl (inferior_fd, PISETRWTID, &ps); */ /* OBSOLETE memcpy (registers, thread_regs[thread], REGISTER_BYTES); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Routine to set or clear a psw bit in the psw and also all psws */ /* OBSOLETE saved on the stack. Quits when we get to a frame in which the */ /* OBSOLETE saved psw is correct. *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE scan_stack (bit, val) */ /* OBSOLETE long bit, val; */ /* OBSOLETE { */ /* OBSOLETE long ps = read_register (PS_REGNUM); */ /* OBSOLETE long fp; */ /* OBSOLETE if (val ? !(ps & bit) : (ps & bit)) */ /* OBSOLETE { */ /* OBSOLETE ps ^= bit; */ /* OBSOLETE write_register (PS_REGNUM, ps); */ /* OBSOLETE */ /* OBSOLETE fp = read_register (FP_REGNUM); */ /* OBSOLETE while (fp & 0x80000000) */ /* OBSOLETE { */ /* OBSOLETE ps = read_memory_integer (fp + 4, 4); */ /* OBSOLETE if (val ? (ps & bit) : !(ps & bit)) */ /* OBSOLETE break; */ /* OBSOLETE ps ^= bit; */ /* OBSOLETE write_memory (fp + 4, &ps, 4); */ /* OBSOLETE fp = read_memory_integer (fp + 8, 4); */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Set fixed scheduling (alliant mode) of process PID to ARG (0 or 1). *x/ */ /* OBSOLETE */ /* OBSOLETE static void */ /* OBSOLETE set_fixed_scheduling (pid, arg) */ /* OBSOLETE int arg; */ /* OBSOLETE { */ /* OBSOLETE struct pattributes pattr; */ /* OBSOLETE getpattr (pid, &pattr); */ /* OBSOLETE pattr.pattr_pfixed = arg; */ /* OBSOLETE setpattr (pid, &pattr); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE void */ /* OBSOLETE core_file_command (filename, from_tty) */ /* OBSOLETE char *filename; */ /* OBSOLETE int from_tty; */ /* OBSOLETE { */ /* OBSOLETE int n; */ /* OBSOLETE */ /* OBSOLETE /* Discard all vestiges of any previous core file */ /* OBSOLETE and mark data and stack spaces as empty. *x/ */ /* OBSOLETE */ /* OBSOLETE if (corefile) */ /* OBSOLETE free (corefile); */ /* OBSOLETE corefile = 0; */ /* OBSOLETE */ /* OBSOLETE if (corechan >= 0) */ /* OBSOLETE close (corechan); */ /* OBSOLETE corechan = -1; */ /* OBSOLETE */ /* OBSOLETE data_start = 0; */ /* OBSOLETE data_end = 0; */ /* OBSOLETE stack_start = STACK_END_ADDR; */ /* OBSOLETE stack_end = STACK_END_ADDR; */ /* OBSOLETE n_core = 0; */ /* OBSOLETE */ /* OBSOLETE /* Now, if a new core file was specified, open it and digest it. *x/ */ /* OBSOLETE */ /* OBSOLETE if (filename) */ /* OBSOLETE { */ /* OBSOLETE filename = tilde_expand (filename); */ /* OBSOLETE make_cleanup (free, filename); */ /* OBSOLETE */ /* OBSOLETE if (have_inferior_p ()) */ /* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */ /* OBSOLETE corechan = open (filename, O_RDONLY, 0); */ /* OBSOLETE if (corechan < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE */ /* OBSOLETE if (myread (corechan, &filehdr, sizeof filehdr) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE */ /* OBSOLETE if (!IS_CORE_SOFF_MAGIC (filehdr.h_magic)) */ /* OBSOLETE error ("%s: not a core file.\n", filename); */ /* OBSOLETE */ /* OBSOLETE if (myread (corechan, &opthdr, filehdr.h_opthdr) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE */ /* OBSOLETE /* Read through the section headers. */ /* OBSOLETE For text, data, etc, record an entry in the core file map. */ /* OBSOLETE For context and tcontext, record the file address of */ /* OBSOLETE the context blocks. *x/ */ /* OBSOLETE */ /* OBSOLETE lseek (corechan, (long) filehdr.h_scnptr, 0); */ /* OBSOLETE */ /* OBSOLETE n_threads = 0; */ /* OBSOLETE for (n = 0; n < filehdr.h_nscns; n++) */ /* OBSOLETE { */ /* OBSOLETE if (myread (corechan, &scnhdr, sizeof scnhdr) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE if ((scnhdr.s_flags & S_TYPMASK) >= S_TEXT */ /* OBSOLETE && (scnhdr.s_flags & S_TYPMASK) <= S_COMON) */ /* OBSOLETE { */ /* OBSOLETE core_map[n_core].mem_addr = scnhdr.s_vaddr; */ /* OBSOLETE core_map[n_core].mem_end = scnhdr.s_vaddr + scnhdr.s_size; */ /* OBSOLETE core_map[n_core].file_addr = scnhdr.s_scnptr; */ /* OBSOLETE core_map[n_core].type = scnhdr.s_flags & S_TYPMASK; */ /* OBSOLETE if (core_map[n_core].type != S_TBSS */ /* OBSOLETE && core_map[n_core].type != S_TDATA */ /* OBSOLETE && core_map[n_core].type != S_TTEXT) */ /* OBSOLETE core_map[n_core].thread = -1; */ /* OBSOLETE else if (n_core == 0 */ /* OBSOLETE || core_map[n_core-1].mem_addr != scnhdr.s_vaddr) */ /* OBSOLETE core_map[n_core].thread = 0; */ /* OBSOLETE else */ /* OBSOLETE core_map[n_core].thread = core_map[n_core-1].thread + 1; */ /* OBSOLETE n_core++; */ /* OBSOLETE } */ /* OBSOLETE else if ((scnhdr.s_flags & S_TYPMASK) == S_CONTEXT) */ /* OBSOLETE context_offset = scnhdr.s_scnptr; */ /* OBSOLETE else if ((scnhdr.s_flags & S_TYPMASK) == S_TCONTEXT) */ /* OBSOLETE tcontext_offset[n_threads++] = scnhdr.s_scnptr; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Read the context block, struct user, struct proc, */ /* OBSOLETE and the comm regs. *x/ */ /* OBSOLETE */ /* OBSOLETE lseek (corechan, context_offset, 0); */ /* OBSOLETE if (myread (corechan, &c, sizeof c) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE lseek (corechan, c.core_user_p, 0); */ /* OBSOLETE if (myread (corechan, &u, sizeof u) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE lseek (corechan, c.core_proc_p, 0); */ /* OBSOLETE if (myread (corechan, &pr, sizeof pr) < 0) */ /* OBSOLETE perror_with_name (filename); */ /* OBSOLETE comm_registers = pr.p_creg; */ /* OBSOLETE */ /* OBSOLETE /* Core file apparently is really there. Make it really exist */ /* OBSOLETE for xfer_core_file so we can do read_memory on it. *x/ */ /* OBSOLETE */ /* OBSOLETE if (filename[0] == '/') */ /* OBSOLETE corefile = savestring (filename, strlen (filename)); */ /* OBSOLETE else */ /* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */ /* OBSOLETE */ /* OBSOLETE printf_filtered ("Program %s ", u.u_comm); */ /* OBSOLETE */ /* OBSOLETE /* Read the thread registers and fill in the thread_xxx[] data. *x/ */ /* OBSOLETE */ /* OBSOLETE for (n = 0; n < n_threads; n++) */ /* OBSOLETE { */ /* OBSOLETE select_thread (n); */ /* OBSOLETE */ /* OBSOLETE lseek (corechan, tcontext_offset[n], 0); */ /* OBSOLETE if (myread (corechan, &tc, sizeof tc) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE lseek (corechan, tc.core_thread_p, 0); */ /* OBSOLETE if (myread (corechan, &th, sizeof th) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE */ /* OBSOLETE lseek (corechan, tc.core_syscall_context_p, 0); */ /* OBSOLETE if (myread (corechan, registers, REGISTER_BYTES) < 0) */ /* OBSOLETE perror_with_name (corefile); */ /* OBSOLETE */ /* OBSOLETE thread_signal[n] = th.t_cursig; */ /* OBSOLETE thread_sigcode[n] = th.t_code; */ /* OBSOLETE thread_state[n] = th.t_state; */ /* OBSOLETE thread_pc[n] = read_pc (); */ /* OBSOLETE */ /* OBSOLETE if (thread_pc[n] > STACK_END_ADDR) */ /* OBSOLETE { */ /* OBSOLETE POP_FRAME; */ /* OBSOLETE if (is_break_pc (thread_pc[n])) */ /* OBSOLETE thread_pc[n] = read_pc () - 2; */ /* OBSOLETE else */ /* OBSOLETE thread_pc[n] = read_pc (); */ /* OBSOLETE write_register (PC_REGNUM, thread_pc[n]); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE printf_filtered ("thread %d received signal %d, %s\n", */ /* OBSOLETE n, thread_signal[n], */ /* OBSOLETE safe_strsignal (thread_signal[n])); */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Select an interesting thread -- also-rans died with SIGKILL, */ /* OBSOLETE so find one that didn't. *x/ */ /* OBSOLETE */ /* OBSOLETE for (n = 0; n < n_threads; n++) */ /* OBSOLETE if (thread_signal[n] != 0 && thread_signal[n] != SIGKILL) */ /* OBSOLETE { */ /* OBSOLETE select_thread (n); */ /* OBSOLETE stop_signal = thread_signal[n]; */ /* OBSOLETE stop_sigcode = thread_sigcode[n]; */ /* OBSOLETE break; */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE core_aouthdr.a_magic = 0; */ /* OBSOLETE */ /* OBSOLETE flush_cached_frames (); */ /* OBSOLETE select_frame (get_current_frame (), 0); */ /* OBSOLETE validate_files (); */ /* OBSOLETE */ /* OBSOLETE print_stack_frame (selected_frame, selected_frame_level, -1); */ /* OBSOLETE } */ /* OBSOLETE else if (from_tty) */ /* OBSOLETE printf_filtered ("No core file now.\n"); */ /* OBSOLETE } */