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# REQUIRES: x86
# Tests to verify that
# - the folded CUEs covered up to the last entries, even if they were removed/folded.
# - only entries that *should* be in eh_frame are actually included. (**)
# (**) This is where LD64 does differently.
# RUN: rm -rf %t; split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/fold-tail.s -o %t/fold-tail.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/cues-range-gap.s -o %t/cues-range-gap.o
# RUN: %lld -o %t/fold-tail.out %t/fold-tail.o
# RUN: llvm-objdump --macho --syms --unwind-info %t/fold-tail.out | FileCheck %s
# RUN: %lld -o %t/cues-range-gap.out %t/cues-range-gap.o
# CHECK-LABEL: SYMBOL TABLE:
# CHECK: [[#%x,A_ADDR:]] l F __TEXT,__text _a
# CHECK: [[#%x,B_ADDR:]] l F __TEXT,__text _b
# CHECK: [[#%x,C_ADDR:]] l F __TEXT,__text _c
# CHECK: [[#%x,D_ADDR:]] l F __TEXT,__text _d
# CHECK: [[#%x,MAIN_ADDR:]] g F __TEXT,__text _main
## Check that [1] offset starts at c's address + 3 (its length).
# CHECK-LABEL: Contents of __unwind_info section:
# CHECK: Top level indices: (count = 2)
# CHECK-NEXT : [0]: function offset=[[#%#.7x,MAIN_ADDR]]
# CHECK-NEXT : [1]: function offset=[[#%#.7x,C_ADDR + 3]]
#--- fold-tail.s
.text
.globl _main
.p2align 4, 0x90
_main:
.cfi_startproc
callq _a
retq
.cfi_endproc
.p2align 4, 0x90
_a:
.cfi_startproc
callq _b
retq
.cfi_endproc
.p2align 4, 0x90
_b:
.cfi_startproc
callq _c
retq
.cfi_endproc
.p2align 4, 0x90
_c:
.cfi_startproc
retq
.cfi_endproc
// _d should NOT have an entry in .eh_frame
// So it shouldn't be covered by the unwind table.
_d:
xorl %eax, %eax
ret
.subsections_via_symbols
#--- cues-range-gap.s
.text
.globl _main
.p2align 4, 0x90
_main:
.cfi_startproc
callq _a
retq
.cfi_endproc
.p2align 4, 0x90
_a:
.cfi_startproc
callq _b
retq
.cfi_endproc
// _d is intentionally placed in between the symbols with eh_frame entries.
// but _d should NOT have an entry in .eh_frame
// So it shouldn't be covered by the unwind table.
_d:
xorl %eax, %eax
ret
.p2align 4, 0x90
_b:
.cfi_startproc
callq _c
retq
.cfi_endproc
.p2align 4, 0x90
_c:
.cfi_startproc
retq
.cfi_endproc
.subsections_via_symbols
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