#!/usr/bin/env sh
set -eu

nm=${RISCV_NM:-riscv64-unknown-elf-nm}
readelf=${RISCV_READELF:-riscv64-unknown-elf-readelf}
elf=build/task01_heap_models/prog.elf
heap_object=build/common/cpp_heap.o

if "$nm" -C -u "$elf" | grep -Eq '__cxa_|_Unwind_|std::|libstdc\+\+'; then
    echo "unexpected hosted C++ runtime dependency in $elf" >&2
    "$nm" -C -u "$elf" >&2
    exit 1
fi

if "$nm" -C --defined-only "$elf" | grep -Eq \
    'vtable for|typeinfo for|typeinfo name for'; then
    echo "unexpected virtual dispatch or RTTI metadata in $elf" >&2
    exit 1
fi

if "$readelf" -S "$elf" | grep -Eq \
    '\.init_array|\.eh_frame|\.gcc_except_table'; then
    echo "unexpected initializer, exception, or unwind section in $elf" >&2
    exit 1
fi

for symbol in \
    'operator new(unsigned int)' \
    'operator new[](unsigned int)' \
    'operator delete(void*)' \
    'operator delete[](void*)' \
    'operator delete(void*, unsigned int)' \
    'operator delete[](void*, unsigned int)'
do
    if ! "$nm" -C --defined-only "$heap_object" | grep -Fq "$symbol"; then
        echo "missing allocation function: $symbol" >&2
        exit 1
    fi
done

for symbol in heap_models_debug_checkpoint g_fragmented_stats g_final_stats
do
    if ! "$nm" --defined-only "$elf" | grep -Fq "$symbol"; then
        echo "missing debugger evidence symbol: $symbol" >&2
        exit 1
    fi
done

echo "PASS ABI: complete new/delete bridge and zero hosted C++ runtime"