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DWARF_FDE_CFA_OFFSET(3)    Library Functions Manual    DWARF_FDE_CFA_OFFSET(3)

NAME
     dwarf_fde_cfa_offset -- add a DW_CFA_offset frame instruction to a DWARF
     frame descriptor

LIBRARY
     DWARF Access Library (libdwarf, -ldwarf)

SYNOPSIS
     #include <libdwarf.h>

     Dwarf_P_Fde
     dwarf_fde_cfa_offset(Dwarf_P_Fde fde, Dwarf_Unsigned reg,
         Dwarf_Signed offset, Dwarf_Error *err);

DESCRIPTION
     Function dwarf_fde_cfa_offset() appends a DW_CFA_offset frame instruction
     to the frame descriptor referenced by argument fde.

     Argument fde should reference a frame descriptor allocated using
     dwarf_new_fde(3).

     Argument reg specifies the register operand for the frame instruction.

     Argument offset specifies the offset operand for the frame instruction.

     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_fde_cfa_offset() returns the frame descriptor
     given in argument fde.  In case of an error, function
     dwarf_fde_cfa_offset() returns DW_DLV_BADADDR and sets the argument err.

ERRORS
     Function dwarf_fde_cfa_offset() can fail with:

     [DW_DLE_ARGUMENT]       Argument fde was NULL.

     [DW_DLE_MEMORY]         An out of memory condition was encountered during
                             the execution of the function.

SEE ALSO
     dwarf(3), dwarf_add_fde_inst(3), dwarf_add_frame_fde(3),
     dwarf_add_frame_fde_b(3), dwarf_add_frame_cie(3), dwarf_new_fde(3)

NetBSD 7.1.2                  September 26, 2011                  NetBSD 7.1.2