Motorola MVME2600 Series User Manual download pdf (Page 279)

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101

SYM - Symbol Table Attach NOSYM - Symbol Table Detach

3-211

SYM - Symbol Table Attach

NOSYM - Symbol Table Detach

Command Input

SYM [ADDR]

NOSYM

Description

The SYM command attaches a symbol table to the debugger. Once

a symbol table has been attached, all displays of physical addresses

are first looked up in the symbol table to see if the address is in

range of any of the symbols (symbol data). If the address is in range,

it is displayed with the corresponding symbol name and offset (if

any) from the symbol's base address (symbol data). In addition to

the display, any command line input that supports an address as an

argument can now take a symbol name for the address argument.

The address argument is first looked up in the symbol table to see

if it matches any of the addresses (symbol data) before conversion

takes place.

It is your responsibility to load the symbol table into memory. This

command is analogous to the system call .SYMBOLTA. Refer to

Chapter 5 for the description of the system call.

ADDR is the location where the symbol table begins in memory.

The default address of the symbol table is your default instruction

pointer. The symbol table must be word-aligned.

The Number of Entries in Symbol Table field governs the size of the

symbol table. The Symbol Data field must be word-aligned and the

Symbol Name field must consist only of printable characters (ASCII

codes $21 through $7E). The symbol name may be terminated with

a null ($00) character. The symbol data fields must be ascending in

value (sorted numerically).

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Motorola MVME2600 Series User Manual Page 279

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