https://sourceware.org/bugzilla/show_bug.cgi?id=33756
Bug ID: 33756
Summary: sframe failure to represent cfi_remember_state right
after cfi_startproc
Product: binutils
Version: 2.46 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: indu.bhagat at oracle dot com
Target Milestone: ---
$ cat cfi_remember_state.s
.text
.type foo, @function
foo:
.cfi_startproc
.cfi_remember_state
.long 0
.cfi_offset 6, -112
.cfi_offset 7, -104
.long 0
.cfi_adjust_cfa_offset 160
.long 0
.long 0
.cfi_restore_state
.long 0
.cfi_endproc
.size foo, .-foo
$ as --gsframe cfi_remember_state.s -o cfi_remember_state.o
cfi_remember_state.s: Assembler messages:
cfi_remember_state.s: Warning: no SFrame FDE emitted; .cfi_remember_state
without prior SFrame FRE state
$ objdump -Wf cfi_remember_state.o 00000000 0000000000000014 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -8
Return address column: 16
Augmentation data: 1b
DW_CFA_def_cfa: r7 (rsp) ofs 8
DW_CFA_offset: r16 (rip) at cfa-8
DW_CFA_nop
DW_CFA_nop
00000018 000000000000001c 0000001c FDE cie=00000000
pc=0000000000000000..0000000000000014
DW_CFA_remember_state
DW_CFA_advance_loc: 4 to 0000000000000004
DW_CFA_offset: r6 (rbp) at cfa-112
DW_CFA_offset: r7 (rsp) at cfa-104
DW_CFA_advance_loc: 4 to 0000000000000008
DW_CFA_def_cfa_offset: 168
DW_CFA_advance_loc: 8 to 0000000000000010
DW_CFA_restore_state
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
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