# RUN: yaml2obj %s -o %t.dSYM

## Verify that we don't keep merged functions by default
# RUN: llvm-gsymutil --num-threads=1 --convert %t.dSYM --out-file=%t.default.gSYM
# RUN: llvm-gsymutil --verify --verbose %t.default.gSYM | FileCheck --check-prefix=CHECK-GSYM-DEFAULT %s

## Verify that we keep merged functions when specyfing --merged-functions
# RUN: llvm-gsymutil --num-threads=1 --convert %t.dSYM --out-file=%t.keep.gSYM --merged-functions
# RUN: llvm-gsymutil --verify --verbose %t.keep.gSYM | FileCheck --check-prefix=CHECK-GSYM-KEEP %s

## Note: For identical functions, the dSYM / gSYM cannot be counted on to be deterministic.
## So we can only match the general structure, not exact function names / offsets


# CHECK-GSYM-DEFAULT-NOT: Merged FunctionInfos
# CHECK-GSYM-DEFAULT:      FunctionInfo @ 0x{{[0-9a-fA-F]+}}: [0x{{[0-9a-fA-F]+}} - 0x{{[0-9a-fA-F]+}}) "my_func_03"


# CHECK-GSYM-KEEP:      Address Table:
# CHECK-GSYM-KEEP-NEXT: INDEX  OFFSET16 (ADDRESS)
# CHECK-GSYM-KEEP-NEXT: ====== ===============================
# CHECK-GSYM-KEEP-NEXT: [   0] 0x{{[0-9a-fA-F]+}}

# CHECK-GSYM-KEEP:      Address Info Offsets:
# CHECK-GSYM-KEEP-NEXT: INDEX  Offset
# CHECK-GSYM-KEEP-NEXT: ====== ==========
# CHECK-GSYM-KEEP-NEXT: [   0] 0x{{[0-9a-fA-F]+}}

# CHECK-GSYM-KEEP:      Files:
# CHECK-GSYM-KEEP-NEXT: INDEX  DIRECTORY  BASENAME   PATH
# CHECK-GSYM-KEEP-NEXT: ====== ========== ========== ==============================
# CHECK-GSYM-KEEP-NEXT: [   0] 0x{{[0-9a-fA-F]+}} 0x{{[0-9a-fA-F]+}}
# CHECK-GSYM-KEEP-NEXT: [   1] 0x{{[0-9a-fA-F]+}} 0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp
# CHECK-GSYM-KEEP-NEXT: [   2] 0x{{[0-9a-fA-F]+}} 0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp
# CHECK-GSYM-KEEP-NEXT: [   3] 0x{{[0-9a-fA-F]+}} 0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp

# CHECK-GSYM-KEEP:      FunctionInfo @ 0x{{[0-9a-fA-F]+}}: [0x{{[0-9a-fA-F]+}} - 0x{{[0-9a-fA-F]+}}) "my_func_01"
# CHECK-GSYM-KEEP-NEXT: LineTable:
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:5
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:7
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:9
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:8
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:11
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:10
# CHECK-GSYM-KEEP-NEXT:   0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:6
# CHECK-GSYM-KEEP-NEXT: ++ Merged FunctionInfos[0]:
# CHECK-GSYM-KEEP-NEXT:     [0x{{[0-9a-fA-F]+}} - 0x{{[0-9a-fA-F]+}}) "my_func_02"
# CHECK-GSYM-KEEP-NEXT:     LineTable:
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:5
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:7
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:9
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:8
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:11
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:10
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:6
# CHECK-GSYM-KEEP-NEXT: ++ Merged FunctionInfos[1]:
# CHECK-GSYM-KEEP-NEXT:     [0x{{[0-9a-fA-F]+}} - 0x{{[0-9a-fA-F]+}}) "my_func_03"
# CHECK-GSYM-KEEP-NEXT:     LineTable:
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:5
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:7
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:9
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:8
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:11
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:10
# CHECK-GSYM-KEEP-NEXT:       0x{{[0-9a-fA-F]+}} /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:6

## Test the lookup functionality for merged functions:
# RUN: llvm-gsymutil --verify %t.keep.gSYM --address 0x248 --merged-functions | FileCheck --check-prefix=CHECK-MERGED-LOOKUP %s
# RUN: llvm-gsymutil --verify %t.keep.gSYM --address 0x248 | FileCheck --check-prefix=CHECK-NORMAL-LOOKUP %s


# CHECK-MERGED-LOOKUP: Found 3 functions at address 0x0000000000000248:
# CHECK-MERGED-LOOKUP-NEXT:       0x0000000000000248: my_func_01 @ /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:5
# CHECK-MERGED-LOOKUP-NEXT-NEXT:  0x0000000000000248: my_func_02 @ /tmp/test_gsym_yaml{{[/\\]}}out/file_02.cpp:5
# CHECK-MERGED-LOOKUP-NEXT-NEXT:  0x0000000000000248: my_func_03 @ /tmp/test_gsym_yaml{{[/\\]}}out/file_03.cpp:5
 
# CHECK-NORMAL-LOOKUP: 0x0000000000000248: my_func_01 @ /tmp/test_gsym_yaml{{[/\\]}}out/file_01.cpp:5


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          SubOpcode:       DW_LNE_end_sequence
          Data:            0
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...


###################################################################################
############################# yaml generation script ##############################
# #!/bin/bash
# set -ex
# # Global variable for LLVM toolchain path
# TOOLCHAIN_PATH=[...]
# # Switch to the script directory
# cd "$(dirname "$0")"
# # Create and clean 'out' directory
# mkdir -p out
# rm -rf out/*
# # Generate C++ files
# for i in {1..3}; do
#     cat << EOF > out/file_0${i}.cpp
# extern "C" int my_func_0${i}(
#     int a,
#     int b)
# {
#     return
#       a
#       *
#       a
#       +
#       b;
# }
# EOF
# done
# # Compile to object files with debug info
# for i in {1..3}; do
#     ${TOOLCHAIN_PATH}/bin/clang++  \
#     -fno-unwind-tables -fno-asynchronous-unwind-tables  \
#     -target arm64-apple-macos -c -g out/file_0${i}.cpp -o out/file_0${i}.o
# done
# # Link object files to dylib using lld directly
# ${TOOLCHAIN_PATH}/bin/ld64.lld \
#     -dylib \
#     -arch arm64 \
#     -platform_version macos 11.0 11.0 \
#     -o out/libmyfuncs.dylib \
#     --icf=all --keep-icf-stabs \
#     -o out/mydylib out/file_01.o out/file_02.o out/file_03.o
# # Create dsym with --flat option
# "$TOOLCHAIN_PATH/bin/dsymutil" --flat out/mydylib -o out/mydylib.dSYM
# # Convert dsym to yaml
# "$TOOLCHAIN_PATH/bin/obj2yaml" out/mydylib.dSYM > out/mydylib.yaml
###################################################################################