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BB-KL11L-BM_1990
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t20src/mxdbug.r36
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! COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1985, 1989.
! ALL RIGHTS RESERVED.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
! ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
! INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
! COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
! OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
! TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
! AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
! CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
! SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
!++
! Facility: LSG DECnet Network Management
!
! Abstract: This file contains definitions used for conditionalized
! debugging and execution tracing.
!
! Environment: Bliss-36, Bliss-32 and Bliss-16.
!
! Author: Steven M. Jenness, Creation date: 18-Mar-81
!
!--
%sbttl 'Debugging Expressions And Feature Names'
literal TRACE_BUFFER_LENGTH = 200; ! Length of buffer for TRACE_INFO
! macro: %DEBUG
!
! This macro conditionally executes the code given
! in the argument list. There are two stages to
! the conditionalization:
!
! (1) Compile time The code is compiled only if
! the VARIANT compiler switch
! is given with a value of 1.
!
! (2) Run time The code is executed only if
! the expression given in the
! BOOLEAN field is true. If the
! word ALWAYS is given instead
! the code will always be executed
! if (1) above is satisfied.
!
! e.x. %debug (DEBUG_TRACE, (TRACE_INFO ('Debugging is on')));
macro
%DEBUG (BOOLEAN, CODE) =
%if %variant eql 1
%then %if %identical (BOOLEAN, ALWAYS)
%then %remove (CODE)
%else if BOOLEAN
then CODE
%fi
%fi %;
! macro: DEBUG_FLAG_SET
!
! This macro defines all the conditions that can be
! selected at run time for debugging. (See %debug
! example above for keyword usage). The DB.xxx symbol
! is defined as a global symbol so that debugging features
! can be easily enabled or disabled from DDT.
!
! PRIVATE_SERVER_LINK & PRIVATE_HOST_LINK replace NETWORK_DESCRIPTOR
! PRIVATE_SERVER_LINK opens private versions of server links
! PRIVATE_HOST_LINK opens private versions of active links,
! as described in NMUT20.R36. (there are problems with this one)
! NML_REMOTE_REQUEST sends a copy of the incoming remote requests to NCP;
! the cell BUGPID must be poked to the desired PID, which may be found in
! cell ACK%CO at runtime, after an NCP command has been issued from
! your local OPR.
macro
DEBUG_FLAG_SET =
'DEBUG_TRACE', 'DB.TRA',
'ROUTINE_TRACE', 'DB.RTN',
'LOCAL_GALAXY', 'DB.GLX',
'MEMORY_TRACE', 'DB.MEM',
'MEMORY_CONSISTENCY', 'DB.MCS',
'SCHEDULER_TRACE', 'DB.SKD',
'EVENT_TRACE', 'DB.EVT',
'NETWORK_TRANSITIONS', 'DB.NET',
'NETWORK_TRACE', 'DB.NTT',
'PRIVATE_SERVER_LINK', 'DB.SRV',
'NCP_NICE_VALIDATION', 'DB.NCP',
'IPCF_TRACE', 'DB.IPC',
'FILE_TRACE', 'DB.FIL',
'PAGE_TRACE', 'DB.PAG',
'DLW_TRACE', 'DB.DLW',
'FILE_DATA_TRACE', 'DB.FDT',
'DAP_MESSAGE_TRACE', 'DB.DAP',
'CTT_TRACE', 'DB.CTT',
'PRIVATE_HOST_LINK', 'DB.DCN',
'NML_REMOTE_REQUEST', 'DB.RRQ'
%;
%sbttl 'Debugging Data Base'
! macro: %DEBUG_DATA_BASE
!
! This macro is used in either an external or global
! statement to setup the definitions to the debugging
! data base. This data base contains bit flags for
! each of the debugging features.
!
! e.x. external %debug_data_base;
macro
DEBUG_BIT [NAME, BIT_NAME] =
%name (NAME, '_FLAG') = [$bit] %;
$field DEBUG_BITS =
set
DEBUG_BIT (DEBUG_FLAG_SET)
tes;
literal
DEBUG_FLAGS_SIZE = $field_set_size;
macro
%DEBUG_DATA_BASE =
DEBUG : block [DEBUG_FLAGS_SIZE] field (DEBUG_BITS) %;
! macro: %MASTER_DEBUG_DATA_BASE
!
! This macro is used in one place only in a program
! to define the static storage needed for debugging.
! This includes the bit flag structure (DEBUG) used
! for feature tests and the TRACE_BUFFER used by
! the TRACE_INFO macro. Also the global literal bit
! values for the debugging features are defined.
!
! e.x. %master_debug_data_base;
macro
DEBUG_GLOBALS [NAME, BIT_NAME] =
%name (BIT_NAME) = 1 ^ (%fieldexpand (%name (NAME, '_FLAG'), 1)) %;
macro
%MASTER_DEBUG_DATA_BASE =
global %DEBUG_DATA_BASE;
global TRACE_BUFFER : vector [ch$allocation (TRACE_BUFFER_LENGTH)];
global literal DEBUG_GLOBALS (DEBUG_FLAG_SET) %;
%sbttl 'Debugging Data Accesses And Setup'
! macro: FEATURE_NAME
!
! This is a set of macros that are defined with
! the same names as given in the DEBUG_FLAG_SET.
! When the name is specified in some code it expands
! to a 'fetch' of the associated bit in the debugging
! data base.
!
! e.x. %debug (MEMORY_TRACE, (TRACE_INFO ('Tracing memory')));
!
! <or>
!
! if MEMORY_TRACE then exitloop;
macro
DEBUG_FLAG [NAME, BIT_NAME] =
%name (NAME) = .DEBUG [%name (NAME, '_FLAG')] %quote % %;
macro
%unquote DEBUG_FLAG (DEBUG_FLAG_SET);
! macro: %DEBUG_SETUP
!
! This macro is called someplace early on in the
! initialization of a program (in run time code).
! The call to this is preferably in the same module
! as the %MASTER_DEBUG_DATA_BASE macro call. It
! does a little hand holding for users who have forgotten
! that the value in 135 is no longer being used for
! debugging flags. After the debugging data base is
! initialized properly, the features that are enabled
! is printed out if DEBUG_TRACE is enabled.
!
! e.x. %debug_setup;
macro
DEBUG_TELL [NAME, BIT_NAME] =
if %name (NAME)
then TASK_INFO (%string (' (', BIT_NAME, ') ', NAME)) %;
macro
%DEBUG_SETUP =
%debug (always,
(begin
if .%o'135' neq 0
then begin
DEBUG[DEBUG_TRACE_FLAG] = 1;
DEBUG[LOCAL_GALAXY_FLAG] = 1;
DEBUG[PRIVATE_SERVER_LINK_FLAG] = 1;
end;
%debug (DEBUG_TRACE,
(begin
TASK_INFO ('Debugging enabled for:');
DEBUG_TELL (DEBUG_FLAG_SET);
end));
end)) %;
%sbttl 'Trace Message Facilities'
! macro: %MODULE_NAME
!
! This macro declares to the tracing facility
! the name of the module that is currently being
! called.
!
! e.x. %module_name ('NMUSKD');
macro
%MODULE_NAME (NAME) =
%debug (always, bind %mod_name = ch$asciz (NAME)) %;
! macro: %ROUTINE
! %GLOBAL_ROUTINE
!
! These macros declare to the tracing facility
! the name of the routine that is currently being
! executed. The formal parameters may also
! specified in the calls to these macros. Note
! that these calls must replace the normal ROUTINE
! or GLOBAL ROUTINE declarations.
!
! e.x. %routine ('NMU$NETWORK_READ', LINK_ID, BUFFER_LENGTH, BUFFER) =
!
! <or>
!
! %routine ('NMU$MEMORY_RELEASE') (P, AMOUNT) : novalue =
macro
%ROUTINE (NAME) =
%if %declared (%rtn_name)
%then undeclare %rtn_name; %fi
%if not $MCB
%then bind %rtn_name = ch$asciz (NAME); %fi
%sbttl %string (NAME %if not %identical (NAME, %string (%name (NAME)))
%then ,' as ', %name(NAME) %fi)
routine %name (NAME)
%if %length gtr 1
%then (%remaining) %fi %;
macro
%GLOBAL_ROUTINE (NAME) =
%if %declared (%rtn_name)
%then undeclare %rtn_name; %fi
%if not $MCB
%then bind %rtn_name = ch$asciz (NAME); %fi
%sbttl %string (NAME %if not %identical (NAME, %string (%name (NAME)))
%then ,' as ', %name(NAME) %fi)
global routine %name (NAME)
%if %length gtr 1
%then (%remaining) %fi %;
! macro: TRACE_INFO
! TRACE_INFO_C
! TRACE_INFO_CL
!
! This macro generates a message and sends it to
! the controlling terminal. The message is generated
! using the NMU$TEXT processing facility, thus the
! message may be parameterized.
!
! The message that results contains the currently running
! task's name, the message specified and optionally the
! name of the routine the TRACE_INFO was called from.
! The routine name output is conditionallized on the
! debugging switch ROUTINE_TRACE (DB.RTN).
!
! The TRACE_INFO_C macro works the same as TRACE_INFO
! except that it doesn't print the task name and routine
! name. It is used primarily to continue a multiple line
! message.
!
! The TRACE_INFO_CL macro appends output to text already
! output by a TRACE_INFO or TRACE_INFO_C macro.
!
! e.x. TRACE_INFO ('This is a dumb message.');
!
! [NML-PROCESSOR]: NMU$FILE_OPEN This is a dumb message.
!
!
! TRACE_INFO ('The number is %D.', .NUMBER);
!
! [NCP]: NMU$IPCF_FIND The number is 19.
macro
TRACE_INFO (PATTERN) =
begin
external TRACE_BUFFER;
external routine SS_MESSAGE, NMU$TEXT, log;
local BUFFER_PTR;
BUFFER_PTR = ch$ptr (TRACE_BUFFER);
if ROUTINE_TRACE
then $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
%string ('%(22L)A ', PATTERN),
%rtn_name
%if %length gtr 1
%then , %remaining %fi)
else $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
%string (PATTERN)
%if %length gtr 1
%then , %remaining %fi);
%if $TOPS20
%then
SS_MESSAGE (ch$ptr (TRACE_BUFFER));
%else
log(TRACE_BUFFER,0)
%fi
end %;
macro
TRACE_INFO_C (PATTERN) =
begin
external TRACE_BUFFER;
external routine SS_CMESSAGE, NMU$TEXT, log;
local BUFFER_PTR;
BUFFER_PTR = ch$ptr (TRACE_BUFFER);
if ROUTINE_TRACE
then $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
%string ('%22S ', PATTERN)
%if %length gtr 1
%then , %remaining %fi)
else $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
PATTERN
%if %length gtr 1
%then , %remaining %fi);
%if $TOPS20
%then
SS_CMESSAGE (ch$ptr (TRACE_BUFFER));
%else
log(TRACE_BUFFER,0)
%fi
end %;
macro
TRACE_INFO_CL (PATTERN) =
begin
external TRACE_BUFFER;
external routine SS_CLMESSAGE, NMU$TEXT, log;
local BUFFER_PTR;
BUFFER_PTR = ch$ptr (TRACE_BUFFER);
$NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
PATTERN
%if %length gtr 1
%then , %remaining %fi);
%if $TOPS20
%then
SS_CLMESSAGE (ch$ptr (TRACE_BUFFER));
%else
log(TRACE_BUFFER,0)
%fi
end %;
! macro: FORMAT_BUFFER (PATTERN, (pattern_args...), BIAS, POINTER, LENGTH)
!
! Trace contents of a buffer
macro
FORMAT_BUFFER (PATTERN, ARGS) =
begin
external TRACE_BUFFER;
external routine SS_MESSAGE, NMU$TEXT, NMU$UTILITY_BUFFER_TEXT;
local BUFFER_PTR;
BUFFER_PTR = ch$ptr (TRACE_BUFFER);
if ROUTINE_TRACE
then $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
%string ('%(22L)A ', PATTERN),
%rtn_name
%if %length gtr 1
%then , %remove(ARGS) %fi)
else $NMU$TEXT (BUFFER_PTR, TRACE_BUFFER_LENGTH,
%string (PATTERN)
%if %length gtr 1
%then , %remove(ARGS) %fi);
SS_MESSAGE (ch$ptr (TRACE_BUFFER));
NMU$UTILITY_BUFFER_TEXT (%remaining);
end %;
%title ''
%sbttl ''
!
! [End of DEBUG.REQ]