hwalk

hwalk [<flags>] [<patient>]

Examples:

Print the status of all blocks on the global heap.

The <flags> argument is a collection of flags, beginning with `-', from the following set:

r: print heap in reverse order (decreasing order of addresses)
p: print prevPtr and nextPtr as well.
e: do error-checking on the heap.
l: just print out locked blocks
f: fast print-out--this doesn't try to figure out the block type
F: print out only fixed (or pseudo-fixed) resources.
c: Print out only code resources (discardable or fixed non-lmem non-dgroup resources).
s < num >: start at block <num>

The patient argument is a patient whose blocks are to be selectively printed (either a name or a core-block's handle ID). The default is to print all the blocks on the heap.
The following columns can appear in a listing:

HANDLE: The handle of the block
ADDR: The segment address of the block
SIZE: Size of the block in bytes
PREV: The previous block handle (appears with the p flag)
NEXT: The next block handle (appears with the p flag)
FLAGS The following letters appears in the FLAGS column:: s sharable
S swapable
D discardable
L contains local memory heap
d discarded
(by LMem module: discarded blocks don't appear here)
a attached (notice given to swat whenever state changes)
LOCK: Number of times the block is locked or n/a if FIXED.
OWNER: The process which owns the block
IDLE: The time since the block has been accessed in minutes:seconds
OINFO: The otherInfo field of the handle (block type dependent)
TYPE Type of the block, for example:: R#1 (dgroup) Resource number one, named "dgroup"
Geode Internal control block for a geode
WINDOW, GSTATE,
Internal structures of the given type
GSTRING, FONT_BLK, FONT OBJ(write:0)
Object block run by thread write:0
VM(3ef0h)...
VM block from VM file 3ef0h

This only prints those handles in memory while `handles' prints all handles used.
The handles may be printed with lhwalk and phandle.

See Also: lhwalk, phandle, handles, hgwalk.

iacp

iacp -ac
prints all connections

iacp -l
prints all lists without connections

iacp -d
prints all open documents

iacp <obj>
prints all connections to which <obj> is party

Set a breakpoint interactively. At each instruction, you have several options:

q: Quit back to the command level.
n: Go to next instruction (this also happens if you just hit return).
p: Go to previous instruction.
P: Look for a different previous instruction.
^D: Go down a "page" of instructions. The size of the page is controlled by the global variable ibrkPageLen. It defaults to 10.
^U: Go up a "page" of instructions.
b: Set an unconditional breakpoint at the current instruction and go back to command level.
a: Like 'b', but the breakpoint is set for all patients.
t: Like 'b', except the breakpoint is temporary and will be removed the next time the machine stops.
B: Like 'b', but can be followed by a command to execute when the breakpoint is hit.
A: Like 'B', but for all patients.
T: Like 'B', but breakpoint is temporary.

var ibrkPageLen [<number-of-lines>]

Number of instructions to skip when using the ^D and ^U commands of ibrk.

ignerr

Examples:

The address argument is the address of where to continue execution. If not specified then CS:IP is taken from the frame.
The stack is patched so that execution can continue in the frame above the fatal error handling routine.

See Also: why, backtrace.

help ... | Next: