When the object file format is COFF32 (Windows NT), the symbolic debug directive .ln stores the line number table entry of a function in the symbolic debug information. The symbolic debug directive .ln must be enclosed within a function defined by the .bf and .ef directives. The .bf and .ef directives define the beginning and the end of a function.
The .ln directive has the following format:
.ln line-number[,function]
Where:
|
line-number |
Specifies the source line number associated with the next assembled instruction. |
|
function |
Is the name of the current function. |
The .bf and .ef directives have the following format:
.bf function,line
.ef function,line,code-size
Where:
|
function |
Represents the function name. |
|
line |
Is an integer number corresponding to the first source line of the function. |
|
code-size |
Is an integer number representing line group code size, which is written as debug information. |