Harden LinuxCNC wasm and native probe workflows
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cnc
167
test-linuxcnc-wasm-rs274ngc-pre-link-blockers.sh
Executable file
167
test-linuxcnc-wasm-rs274ngc-pre-link-blockers.sh
Executable file
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#!/usr/bin/env bash
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set -euo pipefail
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cd "$(dirname "$0")"
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linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
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cxx=${CXX:-g++}
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build_dir=$(mktemp -d "${TMPDIR:-/tmp}/cnc_sim_linuxcnc_wasm_rs274ngc_pre_link_blockers.XXXXXX")
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report_file=$(mktemp "${TMPDIR:-/tmp}/cnc_sim_linuxcnc_wasm_rs274ngc_pre_undefined.XXXXXX.txt")
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manifest=${1:-linuxcnc-rs274-wasm-source-files.txt}
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if [[ ! -f "$manifest" ]]; then
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echo "missing manifest: $manifest" >&2
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exit 1
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fi
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if [[ ! -d "$linuxcnc_root" ]]; then
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echo "missing LinuxCNC root: $linuxcnc_root" >&2
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exit 1
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fi
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trap 'rm -rf "$build_dir"' EXIT
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common_flags=(
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-std=c++20
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-DULAPI
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-ffunction-sections
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-fdata-sections
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-include wctype.h
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-I "$(pwd)/core/include"
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-I "$(pwd)/core/wasm_shims"
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-I "$linuxcnc_root/src"
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-I "$linuxcnc_root/src/emc"
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-I "$linuxcnc_root/src/emc/nml_intf"
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-I "$linuxcnc_root/src/emc/rs274ngc"
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-I "$linuxcnc_root/src/emc/motion"
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-I "$linuxcnc_root/include"
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)
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shim_sources=(
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core/wasm_shims/dlfcn.cc
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core/wasm_shims/emc_status_shim.cc
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core/wasm_shims/gettext_shim.cc
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core/wasm_shims/linuxcnc_runtime_shim.cc
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core/wasm_shims/python_c_api_shim.cc
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core/wasm_shims/rtapi_compat.cc
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core/wasm_shims/tooldata/tooldata_mmap_backend.cc
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core/wasm_shims/tooldata/tooldata_runtime_stubs.cc
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core/wasm_shims/pythonplugin/python_plugin.cc
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)
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project_sources=(
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core/src/canon_event_sink.cpp
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core/src/linuxcnc_canon_bridge.cpp
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core/src/linuxcnc_tooldata_fixture.cpp
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core/src/rtcp_kinematics.cpp
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)
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linuxcnc_sources=()
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while IFS=: read -r group path note; do
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case "$group" in
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core)
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if [[ ! -f "$linuxcnc_root/$path" ]]; then
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echo "missing manifest source: $path" >&2
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exit 1
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fi
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linuxcnc_sources+=("$linuxcnc_root/$path")
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;;
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""|\#*|blocked)
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;;
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*)
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echo "unknown manifest group: $group" >&2
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exit 1
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;;
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esac
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done < "$manifest"
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shim_index=0
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for source in "${shim_sources[@]}"; do
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obj="$build_dir/shim_${shim_index}.o"
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"$cxx" "${common_flags[@]}" -c "$source" -o "$obj"
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shim_index=$((shim_index + 1))
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done
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project_index=0
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for source in "${project_sources[@]}"; do
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obj="$build_dir/project_${project_index}.o"
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"$cxx" "${common_flags[@]}" -c "$source" -o "$obj"
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project_index=$((project_index + 1))
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done
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linuxcnc_index=0
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for source in "${linuxcnc_sources[@]}"; do
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obj="$build_dir/linuxcnc_${linuxcnc_index}.o"
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"$cxx" "${common_flags[@]}" -c "$source" -o "$obj"
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linuxcnc_index=$((linuxcnc_index + 1))
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done
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undefined_file="$build_dir/undefined.raw"
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defined_file="$build_dir/defined.raw"
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nm -u "$build_dir"/*.o \
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| awk '{print $2}' \
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| sed '/^$/d' \
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| LC_ALL=C sort -u \
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> "$undefined_file"
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nm --defined-only "$build_dir"/*.o \
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| awk '{print $3}' \
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| sed '/^$/d' \
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| LC_ALL=C sort -u \
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> "$defined_file"
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{
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comm -23 "$undefined_file" "$defined_file" \
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| grep -Ev '^(_GLOBAL_OFFSET_TABLE_|_Unwind_Resume)$' \
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| grep -Ev '^(__assert_fail|__cxa_|__divdc3|__dso_handle|__errno_location|__gxx_personality_v0|__isoc23_|__muldc3|__stack_chk_fail)' \
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| grep -Ev '^(abort|access|acos|asin|atan2|atof|atoi|basename|cabs|calloc|ceil|close|closedir|copysign|cos|cosl|exit|exp|fclose|fdatasync|fdopen|feof|fflush|fgetc|fgets|fileno|floor|fmod|fopen|fprintf|fputs|free|freelocale|fseek|fstat|ftell|fwrite|getcwd|getenv|getpid|gettimeofday|hypot|islower|isprint|isspace|isupper|isxdigit|link|localtime|log|lstat|malloc|memchr|memcmp|memcpy|memmove|memset|mkstemp|nearbyint|newlocale|open|opendir|perror|pow|printf|pthread_mutex_lock|pthread_mutex_unlock|putc|puts|read|readdir|realpath|realloc|remove|rename|setlocale|sin|sinl|snprintf|sprintf|sqrt|sscanf|stat|stderr|stdout|strcasecmp|strcat|strchr|strcmp|strcpy|strdup|strerror|strlen|strncasecmp|strncat|strncmp|strncpy|strrchr|strspn|strstr|strtod|strtok_r|strtol|strtoul|tan|tanl|tolower|toupper|towlower|unlink|uselocale|vfprintf|vsnprintf|wordexp|wordfree)$' \
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| grep -Ev '^(_ZN3fmt|_ZSt|_ZNSt|_ZNKSt|_ZNKRSt|_ZNS|_ZTI|_ZTS|_ZTV|_Zdl|_Znwm|_Znam|_Zda|_ZdaPv|_ZdaPvm|_ZdlPvm|_ZTv|_ZTh)'
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} > "$report_file" || true
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if grep -F "_ZN6Interp13read_commentEPcPiP12block_structPd" "$report_file" >/dev/null; then
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echo "unexpected unresolved read_comment after interp_read.cc" >&2
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exit 1
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fi
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if grep -F "_ZN6Interp15find_tool_indexEP5setupiPi" "$report_file" >/dev/null; then
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echo "unexpected unresolved find_tool_index after interp_find.cc" >&2
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exit 1
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fi
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if grep -F "_ZN6Interp16find_named_paramEPKcPiPd" "$report_file" >/dev/null; then
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echo "unexpected unresolved find_named_param after interp_namedparams.cc" >&2
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exit 1
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fi
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if grep -Fx "emcStatus" "$report_file" >/dev/null; then
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echo "unexpected unresolved emcStatus after shim" >&2
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exit 1
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fi
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if grep -Fx "gettext" "$report_file" >/dev/null; then
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echo "unexpected unresolved gettext after shim" >&2
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exit 1
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fi
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if grep -Fx "_task" "$report_file" >/dev/null; then
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echo "unexpected unresolved _task after runtime shim" >&2
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exit 1
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fi
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if grep -Fx "builtin_modules" "$report_file" >/dev/null; then
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echo "unexpected unresolved builtin_modules after runtime shim" >&2
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exit 1
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fi
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for hal_symbol in \
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hal_get_param_value_by_name \
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hal_get_pin_value_by_name \
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hal_get_signal_value_by_name \
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hal_init \
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hal_ready; do
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if grep -Fx "$hal_symbol" "$report_file" >/dev/null; then
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echo "unexpected unresolved $hal_symbol after runtime shim" >&2
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exit 1
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fi
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done
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if [[ -s "$report_file" ]]; then
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echo "unexpected unresolved project symbols after rs274ngc_pre shim coverage:" >&2
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sed -n '1,120p' "$report_file" >&2
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exit 1
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fi
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echo "linuxcnc wasm rs274ngc_pre link blocker scan passed"
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echo "wrote $report_file"
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