$ cat be-flipping-v3.s
	.text
	.type bar, @function
bar:
	.cfi_sections
	.cfi_startproc
	ldgr	%f0,%r14
	.cfi_register 14, 16
	ldgr	%f2,%r11
	.cfi_register 11, 17
	la	%r11,0
	la	%r14,0
.Lreturn:
	lgdr	%r11,%f2
	.cfi_restore 11
	lgdr	%r14,%f0
	.cfi_restore 14
	br	%r14
	.cfi_endproc
	.size	bar,.-bar

	.globl	_start
	.type	_start, @function
_start:
	brasl	%r14,bar@PLT
	.size	_start,.-_start

$ s390x-ibm-linux-gnu-as --gsframe-3 -o be-flipping-v3.o be-flipping-v3.s

Although running ld is not strictly necessary for the current set of tests, it
is being done in case future testing desires invoking sframe_find_fre ().
SFrame FDE lookup APIs in libsframe currently implement binary search of index
entires (and check for SFRAME_F_FDE_SORTED).

$ s390x-ibm-linux-gnu-ld be-flipping-v3.o -o be-flipping-v3
$ s390x-ibm-linux-gnu-objdump --sframe be-flipping-v3

be-flipping-v3:     file format elf64-s390

Contents of the SFrame section .sframe:
  Header :

    Version: SFRAME_VERSION_3
    Flags: SFRAME_F_FDE_SORTED,
           SFRAME_F_FDE_FUNC_START_PCREL
    Num FDEs: 1
    Num FREs: 5

  Function Index :

    func idx [0]: pc = 0x10000b0, size = 26 bytes, attr = "F"
    STARTPC         CFA       FP        RA
    00000000010000b0  sp+160    u         u
    00000000010000b4  sp+160    u         r16+0
    00000000010000b8  sp+160    r17+0     r16+0
    00000000010000c4  sp+160    u         r16+0
    00000000010000c8  sp+160    u         u
$ s390x-ibm-linux-gnu-objcopy --dump-section .sframe=DATA-BE-V3 be-flipping-v3