freebsd man page for dwarf_whatform

Query: dwarf_whatform

OS: freebsd

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

DWARF_HASFORM(3)					   BSD Library Functions Manual 					  DWARF_HASFORM(3)

NAME
dwarf_hasform, dwarf_whatform, dwarf_whatform_direct -- query attribute forms
LIBRARY
DWARF Access Library (libdwarf, -ldwarf)
SYNOPSIS
#include <libdwarf.h> int dwarf_hasform(Dwarf_Attribute attr, Dwarf_Half form, Dwarf_Bool *ret, Dwarf_Error *err); int dwarf_whatform(Dwarf_Attribute attr, Dwarf_Half *retform, Dwarf_Error *err); int dwarf_whatform_direct(Dwarf_Attribute attr, Dwarf_Half *retform, Dwarf_Error *err);
DESCRIPTION
Function dwarf_hasform() indicates whether the DWARF attribute denoted by argument attr has the attribute form specified by argument form. If the attribute has the specified form, then argument ret is set to a non-zero value, otherwise it is set to zero. If argument err is non- NULL, it will be used to return an error descriptor in case of an error. Function dwarf_whatform() sets the location specified by argument retform to the attribute form code for the DWARF attribute referenced by argument attr. If the attribute referenced by argument attr has an indirect form attribute, this function will return the final form for the attribute. If argument err is non-NULL, it will be used to return an error descriptor in case of an error. Function dwarf_whatform_direct() sets the location specified by argument retform to the attribute form code for the DWARF attribute refer- enced by argument attr. If the form is an indirect form, the function sets the location specified by argument retform to DW_FORM_indirect. If argument err is non-NULL, it will be used to return an error descriptor in case of an error.
RETURN VALUES
These functions return DW_DLV_OK on success. In case of an error, these functions return DW_DLV_ERR and set argument err.
ERRORS
These functions may fail with the following errors: [DW_DLE_ARGUMENT] Any of the arguments attr, ret, or retform was NULL.
SEE ALSO
dwarf(3), dwarf_attr(3), dwarf_hasattr(3)
BSD
May 22, 2010 BSD
Related Man Pages
dwarf_add_at_signed_const(3) - freebsd
dwarf_bitoffset(3) - freebsd
dwarf_add_at_unsigned_const(3) - freebsd
dwarf_highpc_b(3) - freebsd
dwarf_attrval_string(3) - freebsd
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