dwarf_expr_current_offset3
Retrieve the number of bytes in a location expression stream
Usage
#include <libdwarf.h>
Dwarf_Unsigned
dwarf_expr_current_offset(Dwarf_P_Expr expr, Dwarf_Error *err);
Library
library “libdwarf”
Overview
Function dwarf_expr_current_offset() returns the size in bytes of the stream representation of a location expression.
Argument expr should reference a location expression descriptor allocated using dwarf_new_expr(3).
If argument err is not NULL, it will be used to store error information in case of an error.
Return values
On success, function dwarf_expr_current_offset() returns the size in bytes of the location descriptor's stream representation. In case of an error, function dwarf_expr_current_offset() returns DW_DLV_NOCOUNT and sets the argument err.
Errors
Function dwarf_expr_current_offset() can fail with:
- [DW_DLE_ARGUMENT]
-
Argument expr was NULL.
Releases
25 releases since FreeBSD 11.0-RELEASE; the text changed 1 time.