llvm-project

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# Check that unknown symbol subsections are ignored with a warning, and a PDB
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# is produced anyway.
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# REQUIRES: x86
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# RUN: llvm-mc -triple=i386-pc-win32 -filetype=obj -o %t.obj %s
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# RUN: lld-link -safeseh:no -subsystem:console -debug -nodefaultlib -entry:foo -out:%t.exe -pdb:%t.pdb %t.obj 2>&1 | FileCheck %s --check-prefix=WARNING
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# RUN: llvm-pdbutil dump -symbols %t.pdb | FileCheck %s
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# WARNING-NOT: ignoring unknown
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# WARNING: ignoring unknown debug$S subsection kind 0x1FF
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# WARNING-NOT: ignoring unknown
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# CHECK:                           Symbols
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# CHECK:        4 | S_COMPILE3 [size = 52]
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# CHECK:            machine = intel x86-x64, Ver = clang version SENTINEL, language = c
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.text
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_foo:
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ret
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.global _foo
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.section .debug$S,"dr"
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	.p2align	2
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	.long	4                       # Debug section magic
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	.long	0xF1 # Symbol subsection
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	.long	.Ltmp6-.Ltmp5           # Subsection size
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.Ltmp5:
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	.short	.Ltmp8-.Ltmp7           # Record length
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.Ltmp7:
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	.short	4412                    # Record kind: S_COMPILE3
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	.long	0                       # Flags and language
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	.short	208                     # CPUType
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	.short	9                       # Frontend version
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	.short	0
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	.short	0
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	.short	0
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	.short	9000                    # Backend version
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	.short	0
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	.short	0
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	.short	0
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	.asciz	"clang version SENTINEL" # Null-terminated compiler version string
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	.p2align	2
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.Ltmp8:
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.Ltmp6:
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	.long	0x1FF # Unknown subsection kind
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	.long	4           # Subsection size
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	.long  0
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	.long	0x800000F1 # Unknown subsection kind
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	.long	4           # Subsection size
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	.long  0
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	.long	0x800000F2 # Unknown subsection kind
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	.long	4           # Subsection size
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	.long  0
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	.long	0x800000F3 # Unknown subsection kind
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	.long	4           # Subsection size
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	.long  0
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	.long	0x800000F4 # Unknown subsection kind
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	.long	4           # Subsection size
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	.long  0
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