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DWARF_DEALLOC(3) Library Functions Manual DWARF_DEALLOC(3) NAME dwarf_dealloc, dwarf_fde_cie_list_dealloc, dwarf_funcs_dealloc, dwarf_globals_dealloc, dwarf_pubtypes_dealloc, dwarf_ranges_dealloc, dwarf_srclines_dealloc, dwarf_types_dealloc, dwarf_vars_dealloc, dwarf_weaks_dealloc - release resources LIBRARY DWARF Access Library (libdwarf, -ldwarf) SYNOPSIS #include <libdwarf.h> void dwarf_dealloc(Dwarf_Debug dbg, Dwarf_Ptr ptr, Dwarf_Unsigned type); dwarf_fde_cie_list_dealloc(Dwarf_Debug dbg, Dwarf_Cie *cie_list, Dwarf_Signed cie_count, Dwarf_Fde *fde_list, Dwarf_Signed fde_count); void dwarf_funcs_dealloc(Dwarf_Debug dbg, Dwarf_Func *funcs, Dwarf_Signed funccount); void dwarf_globals_dealloc(Dwarf_Debug dbg, Dwarf_Global *globals, Dwarf_Signed globalcount); void dwarf_pubtypes_dealloc(Dwarf_Debug dbg, Dwarf_Type *pubtypes, Dwarf_Signed pubtypecount); void dwarf_ranges_dealloc(Dwarf_Debug dbg, Dwarf_Ranges *ranges, Dwarf_Signed rangecount); void dwarf_srclines_dealloc(Dwarf_Debug dbg, Dwarf_Line *lines, Dwarf_Signed linecount); void dwarf_types_dealloc(Dwarf_Debug dbg, Dwarf_Type *types, Dwarf_Signed typecount); void dwarf_vars_dealloc(Dwarf_Debug dbg, Dwarf_Var *vars, Dwarf_Signed varcount); void dwarf_weaks_dealloc(Dwarf_Debug dbg, Dwarf_Weak *weaks, Dwarf_Signed weakcount); DESCRIPTION The function dwarf_dealloc() is used by applications to indicate that memory areas returned by DWARF Access Library (libdwarf, -ldwarf) may be safely disposed off. Due to the way memory is managed in the current implementation, the use of dwarf_dealloc() is only necessary for a small set of DWARF types. Argument dbg should reference a valid debugging context allocated using dwarf_init(3). Argument ptr should point to an object or memory area obtained by a prior call to a DWARF(3) function. Argument type indicates the type of object being deallocated. The indicated type must match that of the object being passed in argument ptr. Valid values for the type argument are: DW_DLA_ABBREV An object of type Dwarf_Abbrev, as returned by a call to the function dwarf_get_abbrev(3). DW_DLA_DIE An object of type Dwarf_Die, as returned by calls to the functions dwarf_child(3), dwarf_offdie(3) or dwarf_siblingof(3). DW_DLA_FRAME_BLOCK An array of objects of type Dwarf_Frame_op, as returned by a call to the function dwarf_expand_frame_instructions(3). Calls to dwarf_dealloc() with other values for argument type are no-ops in this implementation. The functions dwarf_fde_cie_list_dealloc(), dwarf_funcs_dealloc(), dwarf_globals_dealloc(), dwarf_pubtypes_dealloc(), dwarf_ranges_dealloc(), dwarf_srclines_dealloc(), dwarf_types_dealloc(), dwarf_vars_dealloc() and dwarf_weaks_dealloc() are provided for compatibility with other implementations of the DWARF(3) API. Due to the way memory is managed in the current implementation, these functions are effectively no-ops. See dwarf(3) for more information about the memory management scheme in this implementation of the DWARF(3) API. RETURN VALUES Functions dwarf_dealloc(), dwarf_fde_cie_list_dealloc(), dwarf_funcs_dealloc(), dwarf_globals_dealloc(), dwarf_pubtypes_dealloc(), dwarf_ranges_dealloc(), dwarf_srclines_dealloc(), dwarf_types_dealloc(), dwarf_vars_dealloc() and dwarf_weaks_dealloc() have no return value. SEE ALSO dwarf(3), dwarf_child(3), dwarf_expand_frame_instructions(3), dwarf_get_abbrev(3), dwarf_offdie(3), dwarf_siblingof(3) NetBSD 8.0 July 23, 2011 NetBSD 8.0