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TheRock/compiler/amd-llvm/llvm/test/MC/ELF/cfi-sframe.s
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

86 lines
2.5 KiB
ArmAsm

# RUN: llvm-mc --filetype=obj --gsframe -triple x86_64 %s -o %t.o
# RUN: llvm-readelf --sframe %t.o | FileCheck %s
.cfi_sections .sframe
f0:
.cfi_startproc # FRE 0
nop
.cfi_def_cfa_offset 16 # FRE 1
.cfi_def_cfa_offset 8 # location didn't change. No new FRE, but new offset.
nop
.cfi_def_cfa_offset 8 # offset didn't change. No new FRE.
nop
.cfi_def_cfa_offset 16 # FRE 2. new location, new offset.
nop
.cfi_register 0, 1 # Uninteresting register. No new FRE.
nop
.cfi_endproc
f1:
.cfi_startproc
nop
nop
.cfi_endproc
f2:
.cfi_startproc
.cfi_endproc
f3:
.cfi_startproc simple
.cfi_endproc
# CHECK: SFrame section '.sframe' {
# CHECK-NEXT: Header {
# CHECK-NEXT: Magic: 0xDEE2
# CHECK-NEXT: Version: V2 (0x2)
# CHECK-NEXT: Flags [ (0x4)
# CHECK: ABI: AMD64EndianLittle (0x3)
# CHECK-NEXT: CFA fixed FP offset (unused): 0
# CHECK-NEXT: CFA fixed RA offset: -8
# CHECK-NEXT: Auxiliary header length: 0
# CHECK-NEXT: Num FDEs: 2
# CHECK-NEXT: Num FREs: 4
# CHECK-NEXT: FRE subsection length: 12
# CHECK-NEXT: FDE subsection offset: 0
# CHECK-NEXT: FRE subsection offset: 40
# CHECK: Function Index [
# CHECK-NEXT: FuncDescEntry [0] {
# CHECK-NEXT: PC {
# CHECK-NEXT: Relocation: {{.*}}PC32{{.*}}
# CHECK-NEXT: Symbol Name: .text
# CHECK-NEXT: Start Address: {{.*}}
# CHECK-NEXT: }
# CHECK-NEXT: Size: 0x5
# CHECK-NEXT: Start FRE Offset: 0x0
# CHECK-NEXT: Num FREs: 3
# CHECK-NEXT: Info {
# CHECK-NEXT: FRE Type: Addr1 (0x0)
# CHECK-NEXT: FDE Type: PCInc (0x0)
# CHECK-NEXT: Raw: 0x0
# CHECK-NEXT: }
# CHECK-NEXT: Repetitive block size (unused): 0x0
# CHECK-NEXT: Padding2: 0x0
# Contents of FREs are tested elsewhere
# CHECK: FuncDescEntry [1] {
# CHECK-NEXT: PC {
# CHECK-NEXT: Relocation: {{.*}}PC32{{.*}}
# CHECK-NEXT: Symbol Name: .text
# CHECK-NEXT: Start Address: {{.*}}
# CHECK-NEXT: }
# CHECK-NEXT: Size: 0x2
# CHECK-NEXT: Start FRE Offset: 0x9
# CHECK-NEXT: Num FREs: 1
# CHECK-NEXT: Info {
# CHECK-NEXT: FRE Type: Addr1 (0x0)
# CHECK-NEXT: FDE Type: PCInc (0x0)
# CHECK-NEXT: Raw: 0x0
# CHECK-NEXT: }
# CHECK-NEXT: Repetitive block size (unused): 0x0
# CHECK-NEXT: Padding2: 0x0