-/* Convex stuff for GDB.
- Copyright (C) 1990-1991 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
-(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, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <stdio.h>
-#include "defs.h"
-#include "command.h"
-#include "symtab.h"
-#include "value.h"
-#include "frame.h"
-#include "inferior.h"
-#include "wait.h"
-
-#include <signal.h>
-#include <fcntl.h>
-#include "gdbcore.h"
-
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/user.h>
-#include <sys/ioctl.h>
-#include <sys/pcntl.h>
-#include <sys/thread.h>
-#include <sys/proc.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#include <convex/vmparam.h>
-#include <convex/filehdr.h>
-#include <convex/opthdr.h>
-#include <convex/scnhdr.h>
-#include <convex/core.h>
-
-/* Per-thread data, read from the inferior at each stop and written
- back at each resume. */
-
-/* Number of active threads.
- Tables are valid for thread numbers less than this. */
-
-static int n_threads;
-
-#define MAXTHREADS 8
-
-/* Thread state. The remaining data is valid only if this is PI_TALIVE. */
-
-static int thread_state[MAXTHREADS];
-
-/* Stop pc, signal, signal subcode */
-
-static int thread_pc[MAXTHREADS];
-static int thread_signal[MAXTHREADS];
-static int thread_sigcode[MAXTHREADS];
-
-/* Thread registers.
- If thread is selected, the regs are in registers[] instead. */
-
-static char thread_regs[MAXTHREADS][REGISTER_BYTES];
-
-/* 1 if the top frame on the thread's stack was a context frame,
- meaning that the kernel is up to something and we should not
- touch the thread at all except to resume it. */
-
-static char thread_is_in_kernel[MAXTHREADS];
-
-/* The currently selected thread's number. */
-
-static int inferior_thread;
-
-/* Inferior process's file handle and a process control block
- to feed args to ioctl with. */
-
-static int inferior_fd;
-static struct pcntl ps;
-
-/* SOFF file headers for exec or core file. */
-
-static FILEHDR filehdr;
-static OPTHDR opthdr;
-static SCNHDR scnhdr;
-
-/* Address maps constructed from section headers of exec and core files.
- Defines process address -> file address translation. */
-
-struct pmap
-{
- long mem_addr; /* process start address */
- long mem_end; /* process end+1 address */
- long file_addr; /* file start address */
- long thread; /* -1 shared; 0,1,... thread-local */
- long type; /* S_TEXT S_DATA S_BSS S_TBSS etc */
- long which; /* used to sort map for info files */
-};
-
-static int n_exec, n_core;
-static struct pmap exec_map[100];
-static struct pmap core_map[100];
-
-/* Offsets in the core file of core_context and core_tcontext blocks. */
-
-static int context_offset;
-static int tcontext_offset[MAXTHREADS];
-
-/* Core file control blocks. */
-
-static struct core_context_v70 c;
-static struct core_tcontext_v70 tc;
-static struct user u;
-static thread_t th;
-static proc_t pr;
-
-/* The registers of the currently selected thread. */
-
-extern char registers[REGISTER_BYTES];
-
-/* Vector and communication registers from core dump or from inferior.
- These are read on demand, ie, not normally valid. */
-
-static struct vecst vector_registers;
-static struct creg_ctx comm_registers;
-
-/* Flag, set on a vanilla CONT command and cleared when the inferior
- is continued. */
-
-static int all_continue;
-
-/* Flag, set when the inferior is continued by a vanilla CONT command,
- cleared if it is continued for any other purpose. */
-
-static int thread_switch_ok;
-
-/* Stack of signals recieved from threads but not yet delivered to gdb. */
-
-struct threadpid
-{
- int pid;
- int thread;
- int signo;
- int subsig;
- int pc;
-};
-
-static struct threadpid signal_stack_bot[100];
-static struct threadpid *signal_stack = signal_stack_bot;
-
-/* How to detect empty stack -- bottom frame is all zero. */
-
-#define signal_stack_is_empty() (signal_stack->pid == 0)
-
-/* Mode controlled by SET PIPE command, controls the psw SEQ bit
- which forces each instruction to complete before the next one starts. */
-
-static int sequential = 0;
-
-/* Mode controlled by the SET PARALLEL command. Values are:
- 0 concurrency limit 1 thread, dynamic scheduling
- 1 no concurrency limit, dynamic scheduling
- 2 no concurrency limit, fixed scheduling */
-
-static int parallel = 1;
-
-/* Mode controlled by SET BASE command, output radix for unformatted
- integer typeout, as in argument lists, aggregates, and so on.
- Zero means guess whether it's an address (hex) or not (decimal). */
-
-static int output_radix = 0;
-
-/* Signal subcode at last thread stop. */
-
-static int stop_sigcode;
-
-/* Hack, see wait() below. */
-
-static int exec_trap_timer;
-
-#include "gdbcmd.h"
-
-/* Nonzero if we are debugging an attached outside process
- rather than an inferior. */
-
-extern int attach_flag;
-
-
-
-static struct type *vector_type ();
-static long *read_vector_register ();
-static long *read_vector_register_1 ();
-static void write_vector_register ();
-static REGISTER_TYPE read_comm_register ();
-static void write_comm_register ();
-static void convex_cont_command ();
-static void thread_continue ();
-static void select_thread ();
-static void scan_stack ();
-static void set_fixed_scheduling ();
-static char *subsig_name ();
-static void psw_info ();
-static sig_noop ();
-static ptr_cmp ();
-
-extern char *sys_siglist[];
-\f
-/* Execute ptrace. Convex V7 replaced ptrace with pattach.
- Allow ptrace (0) as a no-op. */
-
-int
-call_ptrace (request, pid, procaddr, buf)
- int request, pid, procaddr, buf;
-{
- if (request == 0)
- return;
- error ("no ptrace");
-}
-
-/* Replacement for system execle routine.
- Convert it to an equivalent exect, which pattach insists on. */
-
-execle (name, argv)
- char *name, *argv;
-{
- char ***envp = (char ***) &argv;
- while (*envp++) ;
-
- signal (SIGTRAP, sig_noop);
- exect (name, &argv, *envp);
-}
-
-/* Stupid handler for stupid trace trap that otherwise causes
- startup to stupidly hang. */
-
-static sig_noop ()
-{}
-
-/* Read registers from inferior into registers[] array.
- For convex, they are already there, read in when the inferior stops. */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
-}
-
-/* Store our register values back into the inferior.
- For Convex, do this only once, right before resuming inferior. */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
-}
-
-/* Copy LEN bytes from inferior's memory starting at MEMADDR
- to debugger memory starting at MYADDR.
- On failure (cannot read from inferior, usually because address is out
- of bounds) returns the value of errno. */
-
-int
-read_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- errno = 0;
- while (len > 0)
- {
- /* little-known undocumented max request size */
- int i = (len < 12288) ? len : 12288;
-
- lseek (inferior_fd, memaddr, 0);
- read (inferior_fd, myaddr, i);
-
- memaddr += i;
- myaddr += i;
- len -= i;
- }
- if (errno)
- bzero (myaddr, len);
- return errno;
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR.
- Returns errno on failure (cannot write the inferior) */
-
-int
-write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- errno = 0;
- lseek (inferior_fd, memaddr, 0);
- write (inferior_fd, myaddr, len);
- return errno;
-}
-
-/* Here from create_inferior when the inferior process has been created
- and started up. We must do a pattach to grab it for debugging.
-
- Also, intercept the CONT command by altering its dispatch address. */
-
-create_inferior_hook (pid)
- int pid;
-{
- static char cont[] = "cont";
- static char cont1[] = "c";
- char *linep = cont;
- char *linep1 = cont1;
- char **line = &linep;
- char **line1 = &linep1;
- struct cmd_list_element *c;
-
- c = lookup_cmd (line, cmdlist, "", 0);
- c->function = convex_cont_command;
- c = lookup_cmd (line1, cmdlist, "", 0);
- c->function = convex_cont_command;
-
- inferior_fd = pattach (pid, O_EXCL);
- if (inferior_fd < 0)
- perror_with_name ("pattach");
- inferior_thread = 0;
- set_fixed_scheduling (pid, parallel == 2);
-}
-
-/* Attach process PID for debugging. */
-
-attach (pid)
- int pid;
-{
- int fd = pattach (pid, O_EXCL);
- if (fd < 0)
- perror_with_name ("pattach");
- attach_flag = 1;
- /* wait for strange kernel reverberations to go away */
- sleep (1);
-
- setpgrp (pid, pid);
-
- inferior_fd = fd;
- inferior_thread = 0;
- return pid;
-}
-
-/* Stop debugging the process whose number is PID
- and continue it with signal number SIGNAL.
- SIGNAL = 0 means just continue it. */
-
-void
-detach (signal)
- int signal;
-{
- signal_stack = signal_stack_bot;
- thread_continue (-1, 0, signal);
- ioctl (inferior_fd, PIXDETACH, &ps);
- close (inferior_fd);
- inferior_fd = 0;
- attach_flag = 0;
-}
-
-/* Kill off the inferior process. */
-
-kill_inferior ()
-{
- if (inferior_pid == 0)
- return;
- ioctl (inferior_fd, PIXTERMINATE, 0);
- wait (0);
- target_mourn_inferior ();
-}
-
-/* This is used when GDB is exiting. It gives less chance of error.*/
-
-kill_inferior_fast ()
-{
- if (inferior_pid == 0)
- return;
- ioctl (inferior_fd, PIXTERMINATE, 0);
- wait (0);
-}
-
-/* Read vector register REG, and return a pointer to the value. */
-
-static long *
-read_vector_register (reg)
- int reg;
-{
- if (have_inferior_p ())
- {
- errno = 0;
- ps.pi_buffer = (char *) &vector_registers;
- ps.pi_nbytes = sizeof vector_registers;
- ps.pi_offset = 0;
- ps.pi_thread = inferior_thread;
- ioctl (inferior_fd, PIXRDVREGS, &ps);
- if (errno)
- bzero (&vector_registers, sizeof vector_registers);
- }
- else if (corechan >= 0)
- {
- lseek (corechan, tcontext_offset[inferior_thread], 0);
- if (myread (corechan, &tc, sizeof tc) < 0)
- perror_with_name (corefile);
- lseek (corechan, tc.core_thread_p, 0);
- if (myread (corechan, &th, sizeof th) < 0)
- perror_with_name (corefile);
- lseek (corechan, tc.core_vregs_p, 0);
- if (myread (corechan, &vector_registers, 16*128) < 0)
- perror_with_name (corefile);
- vector_registers.vm[0] = th.t_vect_ctx.vc_vm[0];
- vector_registers.vm[1] = th.t_vect_ctx.vc_vm[1];
- vector_registers.vls = th.t_vect_ctx.vc_vls;
- }
-
- return read_vector_register_1 (reg);
-}
-
-/* Return a pointer to vector register REG, which must already have been
- fetched from the inferior or core file. */
-
-static long *
-read_vector_register_1 (reg)
- int reg;
-{
- switch (reg)
- {
- case VM_REGNUM:
- return (long *) vector_registers.vm;
- case VS_REGNUM:
- return (long *) &vector_registers.vls;
- case VL_REGNUM:
- return 1 + (long *) &vector_registers.vls;
- default:
- return (long *) &vector_registers.vr[reg];
- }
-}
-
-/* Write vector register REG, element ELEMENT, new value VAL.
- NB: must use read-modify-write on the entire vector state,
- since pattach does not do offsetted writes correctly. */
-
-static void
-write_vector_register (reg, element, val)
- int reg, element;
- REGISTER_TYPE val;
-{
- if (have_inferior_p ())
- {
- errno = 0;
- ps.pi_thread = inferior_thread;
- ps.pi_offset = 0;
- ps.pi_buffer = (char *) &vector_registers;
- ps.pi_nbytes = sizeof vector_registers;
-
- ioctl (inferior_fd, PIXRDVREGS, &ps);
-
- switch (reg)
- {
- case VL_REGNUM:
- vector_registers.vls =
- (vector_registers.vls & 0xffffffff00000000LL)
- + (unsigned long) val;
- break;
-
- case VS_REGNUM:
- vector_registers.vls =
- (val << 32) + (unsigned long) vector_registers.vls;
- break;
-
- default:
- vector_registers.vr[reg].el[element] = val;
- break;
- }
-
- ioctl (inferior_fd, PIXWRVREGS, &ps);
-
- if (errno)
- perror_with_name ("writing vector register");
- }
-}
-
-/* Return the contents of communication register NUM. */
-
-static REGISTER_TYPE
-read_comm_register (num)
- int num;
-{
- if (have_inferior_p ())
- {
- ps.pi_buffer = (char *) &comm_registers;
- ps.pi_nbytes = sizeof comm_registers;
- ps.pi_offset = 0;
- ps.pi_thread = inferior_thread;
- ioctl (inferior_fd, PIXRDCREGS, &ps);
- }
- return comm_registers.crreg.r4[num];
-}
-
-/* Store a new value VAL into communication register NUM.
- NB: Must use read-modify-write on the whole comm register set
- since pattach does not do offsetted writes correctly. */
-
-static void
-write_comm_register (num, val)
- int num;
- REGISTER_TYPE val;
-{
- if (have_inferior_p ())
- {
- ps.pi_buffer = (char *) &comm_registers;
- ps.pi_nbytes = sizeof comm_registers;
- ps.pi_offset = 0;
- ps.pi_thread = inferior_thread;
- ioctl (inferior_fd, PIXRDCREGS, &ps);
- comm_registers.crreg.r4[num] = val;
- ioctl (inferior_fd, PIXWRCREGS, &ps);
- }
-}
-
-/* Resume execution of the inferior process.
- If STEP is nonzero, single-step it.
- If SIGNAL is nonzero, give it that signal. */
-
-void
-resume (step, signal)
- int step;
- int signal;
-{
- errno = 0;
- if (step || signal)
- thread_continue (inferior_thread, step, signal);
- else
- thread_continue (-1, 0, 0);
-}
-
-/* Maybe resume some threads.
- THREAD is which thread to resume, or -1 to resume them all.
- STEP and SIGNAL are as in resume.
-
- Global variable ALL_CONTINUE is set when we are here to do a
- `cont' command; otherwise we may be doing `finish' or a call or
- something else that will not tolerate an automatic thread switch.
-
- If there are stopped threads waiting to deliver signals, and
- ALL_CONTINUE, do not actually resume anything. gdb will do a wait
- and see one of the stopped threads in the queue. */
-
-static void
-thread_continue (thread, step, signal)
- int thread, step, signal;
-{
- int n;
-
- /* If we are to continue all threads, but not for the CONTINUE command,
- pay no attention and continue only the selected thread. */
-
- if (thread < 0 && ! all_continue)
- thread = inferior_thread;
-
- /* If we are not stepping, we have now executed the continue part
- of a CONTINUE command. */
-
- if (! step)
- all_continue = 0;
-
- /* Allow wait() to switch threads if this is an all-out continue. */
-
- thread_switch_ok = thread < 0;
-
- /* If there are threads queued up, don't resume. */
-
- if (thread_switch_ok && ! signal_stack_is_empty ())
- return;
-
- /* OK, do it. */
-
- for (n = 0; n < n_threads; n++)
- if (thread_state[n] == PI_TALIVE)
- {
- select_thread (n);
-
- if ((thread < 0 || n == thread) && ! thread_is_in_kernel[n])
- {
- /* Blam the trace bits in the stack's saved psws to match
- the desired step mode. This is required so that
- single-stepping a return doesn't restore a psw with a
- clear trace bit and fly away, and conversely,
- proceeding through a return in a routine that was
- stepped into doesn't cause a phantom break by restoring
- a psw with the trace bit set. */
- scan_stack (PSW_T_BIT, step);
- scan_stack (PSW_S_BIT, sequential);
- }
-
- ps.pi_buffer = registers;
- ps.pi_nbytes = REGISTER_BYTES;
- ps.pi_offset = 0;
- ps.pi_thread = n;
- if (! thread_is_in_kernel[n])
- if (ioctl (inferior_fd, PIXWRREGS, &ps))
- perror_with_name ("PIXWRREGS");
-
- if (thread < 0 || n == thread)
- {
- ps.pi_pc = 1;
- ps.pi_signo = signal;
- if (ioctl (inferior_fd, step ? PIXSTEP : PIXCONTINUE, &ps) < 0)
- perror_with_name ("PIXCONTINUE");
- }
- }
-
- if (ioctl (inferior_fd, PIXRUN, &ps) < 0)
- perror_with_name ("PIXRUN");
-}
-
-/* Replacement for system wait routine.
-
- The system wait returns with one or more threads stopped by
- signals. Put stopped threads on a stack and return them one by
- one, so that it appears that wait returns one thread at a time.
-
- Global variable THREAD_SWITCH_OK is set when gdb can tolerate wait
- returning a new thread. If it is false, then only one thread is
- running; we will do a real wait, the thread will do something, and
- we will return that. */
-
-pid_t
-wait (w)
- union wait *w;
-{
- int pid;
-
- if (!w)
- return wait3 (0, 0, 0);
-
- /* Do a real wait if we were told to, or if there are no queued threads. */
-
- if (! thread_switch_ok || signal_stack_is_empty ())
- {
- int thread;
-
- pid = wait3 (w, 0, 0);
-
- if (!WIFSTOPPED (*w) || pid != inferior_pid)
- return pid;
-
- /* The inferior has done something and stopped. Read in all the
- threads' registers, and queue up any signals that happened. */
-
- if (ioctl (inferior_fd, PIXGETTHCOUNT, &ps) < 0)
- perror_with_name ("PIXGETTHCOUNT");
-
- n_threads = ps.pi_othdcnt;
- for (thread = 0; thread < n_threads; thread++)
- {
- ps.pi_thread = thread;
- if (ioctl (inferior_fd, PIXGETSUBCODE, &ps) < 0)
- perror_with_name ("PIXGETSUBCODE");
- thread_state[thread] = ps.pi_otstate;
-
- if (ps.pi_otstate == PI_TALIVE)
- {
- select_thread (thread);
- ps.pi_buffer = registers;
- ps.pi_nbytes = REGISTER_BYTES;
- ps.pi_offset = 0;
- ps.pi_thread = thread;
- if (ioctl (inferior_fd, PIXRDREGS, &ps) < 0)
- perror_with_name ("PIXRDREGS");
-
- registers_fetched ();
-
- thread_pc[thread] = read_pc ();
- thread_signal[thread] = ps.pi_osigno;
- thread_sigcode[thread] = ps.pi_osigcode;
-
- /* If the thread's stack has a context frame
- on top, something fucked is going on. I do not
- know what, but do I know this: the only thing you
- can do with such a thread is continue it. */
-
- thread_is_in_kernel[thread] =
- ((read_register (PS_REGNUM) >> 25) & 3) == 0;
-
- /* Signals push an extended frame and then fault
- with a ridiculous pc. Pop the frame. */
-
- if (thread_pc[thread] > STACK_END_ADDR)
- {
- POP_FRAME;
- if (is_break_pc (thread_pc[thread]))
- thread_pc[thread] = read_pc () - 2;
- else
- thread_pc[thread] = read_pc ();
- write_register (PC_REGNUM, thread_pc[thread]);
- }
-
- if (ps.pi_osigno || ps.pi_osigcode)
- {
- signal_stack++;
- signal_stack->pid = pid;
- signal_stack->thread = thread;
- signal_stack->signo = thread_signal[thread];
- signal_stack->subsig = thread_sigcode[thread];
- signal_stack->pc = thread_pc[thread];
- }
-
- /* The following hackery is caused by a unix 7.1 feature:
- the inferior's fixed scheduling mode is cleared when
- it execs the shell (since the shell is not a parallel
- program). So, note the 5.4 trap we get when
- the shell does its exec, then catch the 5.0 trap
- that occurs when the debuggee starts, and set fixed
- scheduling mode properly. */
-
- if (ps.pi_osigno == 5 && ps.pi_osigcode == 4)
- exec_trap_timer = 1;
- else
- exec_trap_timer--;
-
- if (ps.pi_osigno == 5 && exec_trap_timer == 0)
- set_fixed_scheduling (pid, parallel == 2);
- }
- }
-
- if (signal_stack_is_empty ())
- error ("no active threads?!");
- }
-
- /* Select the thread that stopped, and return *w saying why. */
-
- select_thread (signal_stack->thread);
-
- stop_signal = signal_stack->signo;
- stop_sigcode = signal_stack->subsig;
-
- WSETSTOP (*w, signal_stack->signo);
- w->w_thread = signal_stack->thread;
- return (signal_stack--)->pid;
-}
-
-/* Select thread THREAD -- its registers, stack, per-thread memory.
- This is the only routine that may assign to inferior_thread
- or thread_regs[]. */
-
-static void
-select_thread (thread)
- int thread;
-{
- if (thread == inferior_thread)
- return;
-
- bcopy (registers, thread_regs[inferior_thread], REGISTER_BYTES);
- ps.pi_thread = inferior_thread = thread;
- if (have_inferior_p ())
- ioctl (inferior_fd, PISETRWTID, &ps);
- bcopy (thread_regs[thread], registers, REGISTER_BYTES);
-}
-
-/* Routine to set or clear a psw bit in the psw and also all psws
- saved on the stack. Quits when we get to a frame in which the
- saved psw is correct. */
-
-static void
-scan_stack (bit, val)
- long bit, val;
-{
- long ps = read_register (PS_REGNUM);
- long fp;
- if (val ? !(ps & bit) : (ps & bit))
- {
- ps ^= bit;
- write_register (PS_REGNUM, ps);
-
- fp = read_register (FP_REGNUM);
- while (fp & 0x80000000)
- {
- ps = read_memory_integer (fp + 4, 4);
- if (val ? (ps & bit) : !(ps & bit))
- break;
- ps ^= bit;
- write_memory (fp + 4, &ps, 4);
- fp = read_memory_integer (fp + 8, 4);
- }
- }
-}
-
-/* Set fixed scheduling (alliant mode) of process PID to ARG (0 or 1). */
-
-static void
-set_fixed_scheduling (pid, arg)
- int arg;
-{
- struct pattributes pattr;
- getpattr (pid, &pattr);
- pattr.pattr_pfixed = arg;
- setpattr (pid, &pattr);
-}
-\f
-void
-core_file_command (filename, from_tty)
- char *filename;
- int from_tty;
-{
- int n;
-
- /* Discard all vestiges of any previous core file
- and mark data and stack spaces as empty. */
-
- if (corefile)
- free (corefile);
- corefile = 0;
-
- if (corechan >= 0)
- close (corechan);
- corechan = -1;
-
- data_start = 0;
- data_end = 0;
- stack_start = STACK_END_ADDR;
- stack_end = STACK_END_ADDR;
- n_core = 0;
-
- /* Now, if a new core file was specified, open it and digest it. */
-
- if (filename)
- {
- filename = tilde_expand (filename);
- make_cleanup (free, filename);
-
- if (have_inferior_p ())
- error ("To look at a core file, you must kill the inferior with \"kill\".");
- corechan = open (filename, O_RDONLY, 0);
- if (corechan < 0)
- perror_with_name (filename);
-
- if (myread (corechan, &filehdr, sizeof filehdr) < 0)
- perror_with_name (filename);
-
- if (!IS_CORE_SOFF_MAGIC (filehdr.h_magic))
- error ("%s: not a core file.\n", filename);
-
- if (myread (corechan, &opthdr, filehdr.h_opthdr) < 0)
- perror_with_name (filename);
-
- /* Read through the section headers.
- For text, data, etc, record an entry in the core file map.
- For context and tcontext, record the file address of
- the context blocks. */
-
- lseek (corechan, (long) filehdr.h_scnptr, 0);
-
- n_threads = 0;
- for (n = 0; n < filehdr.h_nscns; n++)
- {
- if (myread (corechan, &scnhdr, sizeof scnhdr) < 0)
- perror_with_name (filename);
- if ((scnhdr.s_flags & S_TYPMASK) >= S_TEXT
- && (scnhdr.s_flags & S_TYPMASK) <= S_COMON)
- {
- core_map[n_core].mem_addr = scnhdr.s_vaddr;
- core_map[n_core].mem_end = scnhdr.s_vaddr + scnhdr.s_size;
- core_map[n_core].file_addr = scnhdr.s_scnptr;
- core_map[n_core].type = scnhdr.s_flags & S_TYPMASK;
- if (core_map[n_core].type != S_TBSS
- && core_map[n_core].type != S_TDATA
- && core_map[n_core].type != S_TTEXT)
- core_map[n_core].thread = -1;
- else if (n_core == 0
- || core_map[n_core-1].mem_addr != scnhdr.s_vaddr)
- core_map[n_core].thread = 0;
- else
- core_map[n_core].thread = core_map[n_core-1].thread + 1;
- n_core++;
- }
- else if ((scnhdr.s_flags & S_TYPMASK) == S_CONTEXT)
- context_offset = scnhdr.s_scnptr;
- else if ((scnhdr.s_flags & S_TYPMASK) == S_TCONTEXT)
- tcontext_offset[n_threads++] = scnhdr.s_scnptr;
- }
-
- /* Read the context block, struct user, struct proc,
- and the comm regs. */
-
- lseek (corechan, context_offset, 0);
- if (myread (corechan, &c, sizeof c) < 0)
- perror_with_name (filename);
- lseek (corechan, c.core_user_p, 0);
- if (myread (corechan, &u, sizeof u) < 0)
- perror_with_name (filename);
- lseek (corechan, c.core_proc_p, 0);
- if (myread (corechan, &pr, sizeof pr) < 0)
- perror_with_name (filename);
- comm_registers = pr.p_creg;
-
- /* Core file apparently is really there. Make it really exist
- for xfer_core_file so we can do read_memory on it. */
-
- if (filename[0] == '/')
- corefile = savestring (filename, strlen (filename));
- else
- corefile = concat (current_directory, "/", filename, NULL);
-
- printf_filtered ("Program %s ", u.u_comm);
-
- /* Read the thread registers and fill in the thread_xxx[] data. */
-
- for (n = 0; n < n_threads; n++)
- {
- select_thread (n);
-
- lseek (corechan, tcontext_offset[n], 0);
- if (myread (corechan, &tc, sizeof tc) < 0)
- perror_with_name (corefile);
- lseek (corechan, tc.core_thread_p, 0);
- if (myread (corechan, &th, sizeof th) < 0)
- perror_with_name (corefile);
-
- lseek (corechan, tc.core_syscall_context_p, 0);
- if (myread (corechan, registers, REGISTER_BYTES) < 0)
- perror_with_name (corefile);
-
- thread_signal[n] = th.t_cursig;
- thread_sigcode[n] = th.t_code;
- thread_state[n] = th.t_state;
- thread_pc[n] = read_pc ();
-
- if (thread_pc[n] > STACK_END_ADDR)
- {
- POP_FRAME;
- if (is_break_pc (thread_pc[n]))
- thread_pc[n] = read_pc () - 2;
- else
- thread_pc[n] = read_pc ();
- write_register (PC_REGNUM, thread_pc[n]);
- }
-
- printf_filtered ("thread %d received signal %d, %s\n",
- n, thread_signal[n],
- thread_signal[n] < NSIG
- ? sys_siglist[thread_signal[n]]
- : "(undocumented)");
- }
-
- /* Select an interesting thread -- also-rans died with SIGKILL,
- so find one that didn't. */
-
- for (n = 0; n < n_threads; n++)
- if (thread_signal[n] != 0 && thread_signal[n] != SIGKILL)
- {
- select_thread (n);
- stop_signal = thread_signal[n];
- stop_sigcode = thread_sigcode[n];
- break;
- }
-
- core_aouthdr.a_magic = 0;
-
- flush_cached_frames ();
- set_current_frame (create_new_frame (read_register (FP_REGNUM),
- read_pc ()));
- select_frame (get_current_frame (), 0);
- validate_files ();
-
- print_stack_frame (selected_frame, selected_frame_level, -1);
- }
- else if (from_tty)
- printf_filtered ("No core file now.\n");
-}
+/* 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 <signal.h> */
+/* OBSOLETE #include <fcntl.h> */
+/* OBSOLETE #include "gdbcore.h" */
+/* OBSOLETE */
+/* OBSOLETE #include <sys/param.h> */
+/* OBSOLETE #include <sys/dir.h> */
+/* OBSOLETE #include <sys/user.h> */
+/* OBSOLETE #include <sys/ioctl.h> */
+/* OBSOLETE #include <sys/pcntl.h> */
+/* OBSOLETE #include <sys/thread.h> */
+/* OBSOLETE #include <sys/proc.h> */
+/* OBSOLETE #include <sys/file.h> */
+/* OBSOLETE #include "gdb_stat.h" */
+/* OBSOLETE #include <sys/mman.h> */
+/* OBSOLETE */
+/* OBSOLETE #include <convex/vmparam.h> */
+/* OBSOLETE #include <convex/filehdr.h> */
+/* OBSOLETE #include <convex/opthdr.h> */
+/* OBSOLETE #include <convex/scnhdr.h> */
+/* OBSOLETE #include <convex/core.h> */
+/* 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 \f */
+/* 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 \f */
+/* 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 } */
projects / deliverable / binutils-gdb.git / blobdiff