# REQUIRES: x86

# RUN: yaml2obj %S/Inputs/unwind-via-stack-win.yaml -o %t
# RUN: %lldb -c %t \
# RUN:   -o "target symbols add %S/Inputs/unwind-via-stack-win.syms" \
# RUN:   -s %s -b | FileCheck %s

# First check that unwind plan generation works correctly.
# This function has a "typical" unwind rule.
image show-unwind -n call_many
# CHECK-LABEL: image show-unwind -n call_many
# CHECK: UNWIND PLANS for unwind-via-stack-win.exe`call_many
# CHECK: Symbol file UnwindPlan:
# CHECK: This UnwindPlan originally sourced from breakpad STACK WIN
# CHECK: This UnwindPlan is sourced from the compiler: yes.
# CHECK: This UnwindPlan is valid at all instruction locations: no.
# CHECK: This UnwindPlan is for a trap handler function: no.
# CHECK: Address range of this UnwindPlan: [unwind-via-stack-win.exe..module_image + 4112-0x0000107d)
# CHECK: row[0]:    0: CFA=DW_OP_breg7 +0, DW_OP_consts +80, DW_OP_plus  => esp=DW_OP_pick 0x0, DW_OP_consts +4, DW_OP_plus eip=DW_OP_pick 0x0, DW_OP_deref

# Then, some invalid rules.
image show-unwind -n bogus_rule
# CHECK-LABEL: image show-unwind -n bogus_rule
# CHECK: UNWIND PLANS for unwind-via-stack-win.exe`bogus_rule
# CHECK-NOT: Symbol file

image show-unwind -n bogus_cfa_rhs
# CHECK-LABEL: image show-unwind -n bogus_cfa_rhs
# CHECK: UNWIND PLANS for unwind-via-stack-win.exe`bogus_cfa_rhs
# CHECK-NOT: Symbol file

image show-unwind -n bogus_esp_rhs
# CHECK-LABEL: image show-unwind -n bogus_esp_rhs
# CHECK: UNWIND PLANS for unwind-via-stack-win.exe`bogus_esp_rhs
# CHECK-NOT: Symbol file

# We don't treat unknown lhs as an error, as it can be just a temporary
# variable used in other rules.
image show-unwind -n temporary_var
# CHECK-LABEL: image show-unwind -n temporary_var
# CHECK: UNWIND PLANS for unwind-via-stack-win.exe`temporary_var
# CHECK: Symbol file UnwindPlan:
# CHECK: This UnwindPlan originally sourced from breakpad STACK WIN
# CHECK: This UnwindPlan is sourced from the compiler: yes.
# CHECK: This UnwindPlan is valid at all instruction locations: no.
# CHECK: This UnwindPlan is for a trap handler function: no.
# CHECK: Address range of this UnwindPlan: [unwind-via-stack-win.exe..module_image + 4400-0x00001134)
# CHECK: row[0]:    0: CFA=DW_OP_breg7 +0 => esp=DW_OP_pick 0x0, DW_OP_consts +4, DW_OP_plus  eip=DW_OP_pick 0x0, DW_OP_deref

# And finally, check that backtracing works as a whole by unwinding a simple
# stack.
thread backtrace
# CHECK-LABEL: thread backtrace
# CHECK: frame #0: 0x000b1092 unwind-via-stack-win.exe`many_pointer_args
# CHECK: frame #1: 0x000b1079 unwind-via-stack-win.exe`call_many + 105
# CHECK: frame #2: 0x000b1085 unwind-via-stack-win.exe`main + 5
# CHECK: frame #3: 0x77278494 kernel32.dll
# CHECK-NOT: frame