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* energize.c (send_location): New routine to consolidate all
places where we must notify kernel of where the given pc is. (cplus_demangle): Put single-quotes around demangled names. (energize_call_command): Call send_location() after doing up, down, and frame commands.
This commit is contained in:
Stu Grossman
parent
cdb1858641
commit
5ca812d4fe
@ -1,3 +1,11 @@
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Mon Sep 14 19:20:43 1992 Stu Grossman (grossman at cygnus.com)
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* energize.c (send_location): New routine to consolidate all
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places where we must notify kernel of where the given pc is.
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(cplus_demangle): Put single-quotes around demangled names.
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(energize_call_command): Call send_location() after doing up,
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down, and frame commands.
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Fri Sep 11 18:28:28 1992 Roland H. Pesch (pesch@fowanton.cygnus.com)
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* doc/gdb.texinfo, doc/gdbinv-m.m4.in, doc/gdbinv-s.m4.in: first
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159
gdb/energize.c
159
gdb/energize.c
@ -220,7 +220,7 @@ full_filename(symtab)
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}
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/* Tell the energize kernel how high the stack is so that frame numbers (which
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are relative to the current stack height make sense.
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are relative to the current stack height) make sense.
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Calculate the number of frames on the stack, and the number of subroutine
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invocations that haven't changed since the last call to this routine. The
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@ -305,18 +305,52 @@ send_stack_info()
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stack_info_valid = 1;
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}
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/* Tell the Energize server about the file and line # that corresponds to pc,
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and which stack frame level that pc corresponds to. */
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static void
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send_location(pc, frame_level)
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CORE_ADDR pc;
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int frame_level;
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{
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char *funcname, *filename;
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struct symtab_and_line sal;
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struct symbol *symbol;
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sal = find_pc_line(pc, 0);
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symbol = find_pc_function(pc);
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funcname = symbol ? symbol->name : "";
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filename = full_filename(sal.symtab);
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send_stack_info();
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CVWriteStackFrameInfo(conn,
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instance_id,
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sal.line,
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CFileLinePos,
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frame_level,
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funcname,
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filename,
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"" /* XXX ? transcript */
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);
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if (filename)
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free(filename);
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}
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/* Tell the kernel where we are in the program, and what the stack looks like.
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*/
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static void
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send_status()
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{
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static int linecount = 48;
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struct symtab_and_line sal;
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{
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char *funcname;
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struct symbol *symbol;
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char *funcname, *filename;
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static int sent_prog_inst = 0;
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symbol = find_pc_function(stop_pc);
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funcname = symbol ? symbol->name : "";
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if (!has_run)
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return;
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@ -329,12 +363,6 @@ send_status()
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return;
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}
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sal = find_pc_line(stop_pc, 0);
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symbol = find_pc_function(stop_pc);
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funcname = symbol ? symbol->name : "";
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filename = full_filename(sal.symtab);
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if (!sent_prog_inst)
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{
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sent_prog_inst = 1;
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@ -347,17 +375,8 @@ send_status()
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);
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}
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send_stack_info();
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CVWriteStackFrameInfo(conn,
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instance_id,
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sal.line,
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CFileLinePos,
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0, /* XXX - frame # */
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funcname,
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filename,
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"" /* XXX ? transcript */
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);
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send_location(stop_pc,
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selected_frame_level); /* Had better be 0! */
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CVWriteProgramStoppedInfo(conn,
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instance_id,
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@ -367,8 +386,6 @@ send_status()
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"" /* XXX ? transcript */
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);
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if (filename)
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free(filename);
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}
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/* Call this to output annotated function names. Names will be demangled if
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@ -391,7 +408,10 @@ energize_annotate_function(funcname, arg_mode, level)
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demangled_name = cplus_demangle(funcname, arg_mode);
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if (demangled_name)
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funcname = demangled_name;
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{
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funcname = demangled_name;
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printf_filtered("'");
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}
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}
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send_stack_info();
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@ -404,7 +424,10 @@ energize_annotate_function(funcname, arg_mode, level)
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funcname);
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if (demangled_name)
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free(demangled_name);
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{
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free(demangled_name);
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printf_filtered("'");
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}
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}
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/* Call this just prior to printing out the name & value of a variable. This
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@ -790,6 +813,7 @@ energize_ignore_breakpoint(b)
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/* Open up a pty and its associated tty. Return the fd of the tty. */
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#ifndef NCR486
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static void
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getpty()
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{
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@ -810,7 +834,11 @@ getpty()
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continue;
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sprintf(dev, "/dev/tty%c%x", n/16 + 'p', n%16);
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ttyfd = open(dev, O_RDWR);
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if (ttyfd < 0) {close(ptyfd); continue;}
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if (ttyfd < 0)
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{
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close(ptyfd);
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continue;
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}
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/* Setup pty for non-blocking I/O. Also make it give us a SIGIO when
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there's data available. */
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@ -830,6 +858,75 @@ getpty()
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error ("getpty: can't get a pty\n");
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}
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#endif
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/* Alternate getpty for NCRs */
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#ifdef NCR486 /* LTL */
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#define MAX_PTM_TRY 16
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#define MAX_GRANTPT_TRY 4
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static void
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getpty()
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{
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char *slavename;
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extern char *ptsname();
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int j, i;
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int n, mfd, sfd;
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struct termios termios;
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/* Number of pseudo-terms is tuneable(16 - 255). System default is 16. */
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for (i = 0; i < MAX_PTM_TRY; i++)
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{
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mfd = open("/dev/ptmx", O_RDWR); /* get the master */
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if (mfd < 0)
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continue;
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if (grantpt(mfd) < 0) /* get a slave */
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for (j = 0; j < MAX_GRANTPT_TRY; j++)
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if (grantpt(mfd) == 0 )
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{
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close(mfd);
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continue;
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}
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if (unlockpt(mfd) < 0)
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{ /* unlock the slave so he can be opened */
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close(mfd);
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continue;
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}
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slavename = ptsname(mfd); /* get the slave device name */
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if (!slavename)
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{
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close(mfd);
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continue;
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}
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sfd = open(slavename, O_RDWR);
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if (sfd < 0)
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{
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close(mfd);
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continue;
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}
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/* setup mty for non-blocking I/O. Also make it give us a SIGIO
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when there's data availabe. */
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n = fcntl(mfd, F_GETFL, 0);
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fcntl(mfd, F_SETFL, n | O_NDELAY | O_SYNC);
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fcntl(mfd, F_SETOWN,getpid());
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tcgetattr(sfd, &termios);
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termios.c_oflag &= ~OPOST; /* no post-processing */
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tcsetattr(sfd, TCSANOW, &termios);
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inferior_pty=mfd;
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inferior_tty=sfd;
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return;
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}
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error ("getpty: can't get a pts\n");
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}
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#endif
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/* Examine a protocol packet from the driver. */
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@ -1332,6 +1429,9 @@ energize_initialize(energize_id, execarg)
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/* Setup for I/O interrupts when appropriate. */
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n = fcntl(kerfd, F_GETFL, 0);
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#ifdef NCR486...
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O_SYNC
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#endif
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fcntl(kerfd, F_SETFL, n|FASYNC);
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fcntl(kerfd, F_SETOWN, getpid());
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@ -1432,6 +1532,11 @@ energize_call_command(cmdblk, arg, from_tty)
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else
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(*cmdblk->function.cfunc)(arg, from_tty);
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if (strcmp(cmdblk->name, "up") == 0
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|| strcmp(cmdblk->name, "down") == 0
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|| strcmp(cmdblk->name, "frame") == 0)
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send_location(get_frame_info(selected_frame)->pc,
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selected_frame_level);
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print_prompt();
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}
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