diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/langref.tex | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/doc/langref.tex b/doc/langref.tex index e2c630d4..413ece4d 100644 --- a/doc/langref.tex +++ b/doc/langref.tex @@ -771,7 +771,7 @@ pointers, and arrays. \texttt{\$var} refers to an in-scope variable var. If it is a type similar to an integer, it will be cast to a 64-bit integer for script use. Pointers similar to a string (char {*}) are copied to SystemTap string values by the -kernel\_string() or user\_string functions(). +\texttt{kernel\_string()} or \texttt{user\_string()} functions. \texttt{\$var->field} traverses a structure's field. The indirection operator may be repeated to follow additional levels of pointers. @@ -779,6 +779,17 @@ may be repeated to follow additional levels of pointers. \texttt{\$var{[}N]} indexes into an array. The index is given with a literal number. +\texttt{\$\$vars} expands to a character string that is equivalent to +\texttt{sprintf("parm1=\%x ... parmN=\%x var1=\%x ... varN=\%x", \$parm1, ..., \$parmN, +\$var1, ..., \$varN)} + +\texttt{\$\$locals} expands to a character string that is equivalent to +\texttt{sprintf("var1=\%x ... varN=\%x", \$var1, ..., \$varN)} + +\texttt{\$\$parms} expands to a character string that is equivalent to +\texttt{sprintf("parm1=\%x ... parmN=\%x", \$parm1, ..., \$parmN)} + + \subsubsection{kernel.function, module().function} \index{kernel.function} \index{module().function} |