cfi-s390-1.d

GNU binutils是GNU交叉工具链中的一个源码包

#readelf: -wf
#name: CFI on s390
#as: -m31 -march=g5

The section .eh_frame contains:

00000000 00000010 00000000 CIE
  Version:               1
  Augmentation:          "zR"
  Code alignment factor: 1
  Data alignment factor: -4
  Return address column: 14
  Augmentation data:     1b

  DW_CFA_def_cfa: r15 ofs 96

00000014 00000024 00000018 FDE cie=00000000 pc=00000000..0000004e
  DW_CFA_advance_loc: 4 to 00000004
  DW_CFA_offset: r15 at cfa-36
  DW_CFA_offset: r14 at cfa-40
  DW_CFA_offset: r13 at cfa-44
  DW_CFA_offset: r12 at cfa-48
  DW_CFA_offset: r11 at cfa-52
  DW_CFA_offset: r10 at cfa-56
  DW_CFA_offset: r9 at cfa-60
  DW_CFA_offset: r8 at cfa-64
  DW_CFA_advance_loc: 22 to 0000001a
  DW_CFA_def_cfa_offset: 192
  DW_CFA_nop
  DW_CFA_nop