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DWARF_GET_FDE_INSTR_BYTES(3) FreeBSD Library Functions Manual
NAME
dwarf_get_fde_instr_bytes - retrieve instructions from FDE descritpor
LIBRARY
DWARF Access Library (libdwarf, -ldwarf)
SYNOPSIS
#include <libdwarf.h>
int
dwarf_get_fde_instr_bytes(Dwarf_Fde fde, Dwarf_Ptr *ret_inst,
Dwarf_Unsigned *ret_len, Dwarf_Error *error);
DESCRIPTION
Function dwarf_get_fde_instr_bytes() retrieves instruction bytes from a
given FDE descriptor.
Argument fde should reference a valid DWARF FDE descriptor.
Argument ret_inst should point to a location that will be set to a
pointer to an array of bytes containing the instructions of the FDE
descriptor.
Argument ret_len should point to a location that will hold the length in
bytes of the instructions returned in argument ret_inst.
If argument err is not NULL, it will be used to store error information
in case of an error.
Applications can use the function dwarf_expand_frame_instructions(3) to
parse and expand the returned instruction bytes into an array of
Dwarf_Frame_Op descriptors.
RETURN VALUES
Function dwarf_get_fde_instr_bytes() returns DW_DLV_OK when it succeeds.
In case of an error, it returns DW_DLV_ERROR and sets the argument err.
ERRORS
Function dwarf_get_fde_instr_bytes() can fail with:
[DW_DLE_ARGUMENT] One of the arguments fde, ret_inst or ret_len was
NULL.
SEE ALSO
dwarf(3), dwarf_expand_frame_instructions(3), dwarf_get_cie_index(3),
dwarf_get_cie_info(3), dwarf_get_cie_of_fde(3), dwarf_get_fde_at_pc(3),
dwarf_get_fde_info_for_all_regs(3), dwarf_get_fde_info_for_all_regs3(3),
dwarf_get_fde_info_for_cfa_reg3(3), dwarf_get_fde_info_for_reg(3),
dwarf_get_fde_info_for_reg3(3), dwarf_get_fde_list(3),
dwarf_get_fde_list_eh(3), dwarf_get_fde_n(3), dwarf_get_fde_range(3)
FreeBSD 14.0-RELEASE-p6 May 23, 2011 FreeBSD 14.0-RELEASE-p6