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

nm=$(printenv RISCV_NM || true)
readelf=$(printenv RISCV_READELF || true)
test -n "$nm" || nm=riscv64-unknown-elf-nm
test -n "$readelf" || readelf=riscv64-unknown-elf-readelf
elf=build/task01_mutex/prog.elf

if "$nm" --defined-only "$elf" | awk '{print $3}' | grep -Eq '^_Z|^__cxa_|^_Unwind_'; then
  echo "unexpected C++ or unwind symbol in FC08" >&2
  exit 1
fi
if "$readelf" -S "$elf" | grep -Eq '\.init_array|\.eh_frame|\.gcc_except_table'; then
  echo "unexpected C++ initialization or unwind section in FC08" >&2
  exit 1
fi
for symbol in fc08_low_entry fc08_medium_entry fc08_high_entry \
  fc08_verifier_entry fc08_checkpoint_committed xQueueCreateMutex \
  xQueueSemaphoreTake xQueueGenericSend uxTaskPriorityGet; do
  "$nm" --defined-only "$elf" | grep -Eq "[[:space:]]$symbol$" || {
    echo "required symbol is missing: $symbol" >&2
    exit 1
  }
done
echo "PASS ABI: FC08 is freestanding C11 with mutex and priority inheritance"