#readelf: -wf
#name: CFI on SPARC 64-bit
#as: -64

The section .eh_frame contains:

00000000 00000011 00000000 CIE
  Version:               1
  Augmentation:          "zR"
  Code alignment factor: 4
  Data alignment factor: -8
  Return address column: 15
  Augmentation data:     1b

  DW_CFA_def_cfa: r14 ofs 2047

00000015 00000017 00000019 FDE cie=00000000 pc=0000001d..0000004d
  DW_CFA_advance_loc: 4 to 00000021
  DW_CFA_def_cfa_reg: r30
  DW_CFA_GNU_window_save
  DW_CFA_register: r15 in r31
  DW_CFA_nop
  DW_CFA_nop
  DW_CFA_nop