diff options
Diffstat (limited to 'gdb/convex-xdep.c')
| -rw-r--r-- | gdb/convex-xdep.c | 1926 |
1 files changed, 963 insertions, 963 deletions
diff --git a/gdb/convex-xdep.c b/gdb/convex-xdep.c index ad128c1..60117ce 100644 --- a/gdb/convex-xdep.c +++ b/gdb/convex-xdep.c @@ -1,963 +1,963 @@ -/* Convex host-dependent code for GDB. - Copyright 1990, 1991, 1992 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#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 "gdb_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; - - -/* 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" - -static struct type *vector_type (); -static long *read_vector_register (); -static long *read_vector_register_1 (); -static void write_vector_register (); -static ULONGEST 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 (); - - -/* 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; - PTRACE_ARG3_TYPE procaddr; - int 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) - memset (myaddr, '\0', 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. */ -/* FIXME: This used to be called from a macro CREATE_INFERIOR_HOOK. - But now init_trace_fun is in the same place. So re-write this to - use the init_trace_fun (making convex a debugging target). */ - -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 (); -} - -/* 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) - memset (&vector_registers, '\0', 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; - ULONGEST 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 ULONGEST -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; - ULONGEST 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); - - FIXME: need to convert from host sig. - 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; - - memcpy (thread_regs[inferior_thread], registers, REGISTER_BYTES); - ps.pi_thread = inferior_thread = thread; - if (have_inferior_p ()) - ioctl (inferior_fd, PISETRWTID, &ps); - memcpy (registers, thread_regs[thread], 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); -} - -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 program 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], - safe_strsignal (thread_signal[n])); - } - - /* 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 (); - 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 "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 */ +/* 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 } */ |