Use -O2 instead of -O3

Build libiwasm in debug/release configuration
Call fail like in VSS instead of like in fail-targets
2026-03-11 18:05:06 +01:00 · 2026-03-11 16:18:31 +01:00 · 2026-03-11 14:55:00 +01:00 · 2026-03-09 23:25:54 +01:00 · 2026-03-08 20:05:29 +01:00
4 changed files with 134 additions and 47 deletions
--- a/5
+++ b/5
@ -1,5 +1,5 @@
 docker:
-	docker build -t gitea.vps.chriphost.de/christoph/wasm-base:latest -f wasm-base.dockerfile . --build-arg CACHE_DATE="$(shell date)"
+	docker build --progress=plain -t gitea.vps.chriphost.de/christoph/wasm-base:latest -f wasm-base.dockerfile . --build-arg CACHE_DATE="$(shell date)"

 run:
 	docker run --rm -it gitea.vps.chriphost.de/christoph/wasm-base:latest /usr/bin/fish
@ -15,3 +15,6 @@ qemu-host:

 gdb-host:
 	nix shell nixpkgs#gdb --command gdb ./examples/build-bochs/sum/system.elf -ex "set substitute-path build-bochs ./examples/build-bochs" -ex "target remote localhost:1234" -ex "break os_main"
+
+radare:
+	radare2 -AA -c "s dbg.os_main; pdf" ./examples/build-bochs/sum/system.elf
--- a/examples/Makefile
+++ b/examples/Makefile
@ -73,9 +73,6 @@ import-%: import-arch-%
 	*   $ make result-$(subst import-,,$@)\n \
 	****************************************************************"

-server-%:
-	${FAIL_SERVER} -v ${ARCH}/$(subst server-,,$@) -b %
-
 result-%:
 	@echo "select variant, benchmark, resulttype, sum(t.time2 - t.time1 + 1) as faults\
 			FROM variant v \
--- a/examples/arch/bochs.mk
+++ b/examples/arch/bochs.mk
@ -1,6 +1,9 @@
 WASI_ROOT := /opt/wasi-sdk
 WAMR := /opt/wamr

+# -O3 generates more code than -O2 (unrolling/inlining etc.)
+OPT := -O2
+
 ################################################################
 # C -> WASM

@ -34,12 +37,13 @@ ${BUILD_DIR}/%/module.wasm: %.c
 # 	${CC} ${LDFLAGS} -o $@

 ################################################################
-# WASM -> AOT -> Loaded by Runtime (FAIL)
+# WASM -> AOT

 WAMRC := /opt/wamr-wamrc/wamrc
 WAMRCFLAGS := \
 	--target=i386 \
-	--cpu=generic
+	--cpu=generic \
+	--opt-level=0

 ${BUILD_DIR}/%/module.aot: ${BUILD_DIR}/%/module.wasm
 	${WAMRC} ${WAMRCFLAGS} -o $@ $<
@ -49,19 +53,23 @@ XXD := busybox xxd
 ${BUILD_DIR}/%/module_wasm.c: ${BUILD_DIR}/%/module.aot
 	${XXD} -i $< > $@

+################################################################
+# AOT loaded by Runtime (FAIL+Baremetal platform)
+
 # NOTE: make build-sum: "error: bp cannot be used in ‘asm’ here"
 #       could remove "ebp" from the clobber list (ARCH_ASM_CLOBBER_ALL) or
 #       use the -fomit-frame-pointer flag to tell gcc it shouldn't rely on ebp for enter/leave...
 CC := /opt/crosscompiler/bin/i386-elf-gcc
 CFLAGS := \
 	-I. \
-	-O0 \
+	${OPT} \
 	-m32 \
 	-ffunction-sections \
 	-ffreestanding \
 	-fomit-frame-pointer \
 	-ggdb
-IWASM_LIB := /opt/wamr-libiwasm # Baremetal
+IWASM_LIB_DEBUG := /opt/wamr-libiwasm-baremetal-debug
+IWASM_LIB_RELEASE := /opt/wamr-libiwasm-baremetal-release
 LDFLAGS = \
 	-Wl,-T linker.ld \
 	$^ \
@ -69,7 +77,7 @@ LDFLAGS = \
 	-static \
 	-nostdlib \
 	-m32 \
-	-L${IWASM_LIB} \
+	-L${IWASM_LIB_RELEASE} \
 	-liwasm \
 	-lc \
 	-lgcc \
@ -98,23 +106,24 @@ ${BUILD_DIR}/%/system.elf: ${BUILD_DIR}/%/system.o ${BUILD_DIR}/syscalls.o ${BUI
 	${CC} ${LDFLAGS} -o $@

 ################################################################
-# WASM -> AOT -> Loaded by Runtime (Host/Linux platform)
+# AOT loaded by Runtime (Host+Linux platform)

 CC_LINUX := gcc
 CFLAGS_LINUX := \
 	-I. \
-	-O0 \
+	${OPT} \
 	-m32 \
 	-ffunction-sections \
 	-ggdb
-IWASM_LIB_LINUX := /opt/wamr-libiwasm-linux
+IWASM_LIB_LINUX_DEBUG := /opt/wamr-libiwasm-linux-debug
+IWASM_LIB_LINUX_RELEASE := /opt/wamr-libiwasm-linux-release
 LDFLAGS_LINUX = \
 	$^ \
 	-Wl,--build-id=none \
 	-static \
 	-m32 \
-	-Wl,-rpath,${IWASM_LIB_LINUX} \
-	-L${IWASM_LIB_LINUX} \
+	-Wl,-rpath,${IWASM_LIB_LINUX_RELEASE} \
+	-L${IWASM_LIB_LINUX_RELEASE} \
 	-liwasm \
 	-lm
 INCL_LINUX := \
@ -135,12 +144,12 @@ ${BUILD_DIR}/%/system-linux.elf: ${BUILD_DIR}/%/system-linux.o
 	${CC_LINUX} ${LDFLAGS_LINUX} -o $@

 ################################################################
-# WASM -> AOT -> Loaded by Runtime (Host/Baremetal platform)
+# AOT loaded by Runtime (Host+Baremetal platform)

 CC_BAREMETAL := /opt/crosscompiler/bin/i386-elf-gcc
 CFLAGS_BAREMETAL := \
 	-I. \
-	-O0 \
+	${OPT} \
 	-m32 \
 	-ffunction-sections \
 	-ffreestanding \
@ -180,15 +189,25 @@ ${BUILD_DIR}/%/system-baremetal.elf: ${BUILD_DIR}/%/system-baremetal.o ${BUILD_D
 ################################################################
 # Fail/Bochs

-FAIL_BIN ?= /home/fail/bin
+# FAIL_BIN ?= /home/fail/bin
+# FAIL_SERVER ?= ${FAIL_BIN}/generic-experiment-server
+# FAIL_TRACE ?= ${FAIL_BIN}/generic-tracing-client
+# FAIL_INJECT ?= ${FAIL_BIN}/generic-experiment-client
+# FAIL_DUMP ?= ${FAIL_BIN}/dump-trace
+# FAIL_IMPORT ?= ${FAIL_BIN}/import-trace --enable-sanitychecks
+# FAIL_PRUNE ?= ${FAIL_BIN}/prune-trace
+# BOCHS_RUNNER ?= ${FAIL_BIN}/bochs-experiment-runner.py
+# RESULT_BROWSER ?= ${FAIL_BIN}/resultbrowser.py
+
+FAIL_BIN ?= /home/fail/mars
 FAIL_SERVER ?= ${FAIL_BIN}/generic-experiment-server
-FAIL_TRACE ?= ${FAIL_BIN}/generic-tracing-client
+FAIL_TRACE ?= ${FAIL_BIN}/fail-x86-tracing
 FAIL_INJECT ?= ${FAIL_BIN}/generic-experiment-client
 FAIL_DUMP ?= ${FAIL_BIN}/dump-trace
 FAIL_IMPORT ?= ${FAIL_BIN}/import-trace --enable-sanitychecks
 FAIL_PRUNE ?= ${FAIL_BIN}/prune-trace
 BOCHS_RUNNER ?= ${FAIL_BIN}/bochs-experiment-runner.py
-RESULT_BROWSER ?= ${FAIL_BIN}/resultbrowser.py
+RESULT_BROWSER ?= ${FAIL_BIN}/resultbrowser

 ${BUILD_DIR}/%/system.iso: ${BUILD_DIR}/%/system.elf
 	rm -rf $(shell dirname $<)/grub
@ -209,11 +228,16 @@ ${BUILD_DIR}/%/trace.pb:
 	-e ${BUILD_DIR}/$*/system.elf \
 	-i ${BUILD_DIR}/$*/system.iso \
 	-- \
-	-Wf,--state-file=${BUILD_DIR}/state \
-	-Wf,--trace-file=${BUILD_DIR}/trace.pb \
 	-Wf,--start-symbol=start_trace \
+	-Wf,--save-symbol=start_trace \
 	-Wf,--end-symbol=stop_trace \
-	-Wf,--check-bounds
+	-Wf,--state-file=${BUILD_DIR}/$*/state \
+	-Wf,--trace-file=${BUILD_DIR}/$*/trace.pb \
+	-Wf,--elf-file=${BUILD_DIR}/$*/system.elf
+	# -Wf,--check-bounds
+
+server-%:
+	${FAIL_SERVER} -v ${ARCH}/$(subst server-,,$@) -b % --inject-single-bit --inject-registers

 client-%:
 	${BOCHS_RUNNER} ${BOCHS_RUNNER_ARGS} \
@ -224,13 +248,14 @@ client-%:
 	-- \
 	-Wf,--state-dir=${BUILD_DIR}/$(subst client-,,$@)/state \
 	-Wf,--trap \
-	-Wf,--timeout=10 \
+	-Wf,--timeout=500000 \
 	-Wf,--ok-marker=ok_marker \
 	-Wf,--fail-marker=fail_marker \
-	-Wf,--catch-write-textsegment \
-	-Wf,--catch-outerspace \
 	2>/dev/null | grep -B 2 -A 8 'INJECT'

+	# -Wf,--catch-write-textsegment \
+	# -Wf,--catch-outerspace \
+
 inject-%:
 	${BOCHS_RUNNER} ${BOCHS_RUNNER_ARGS} -1 \
 	-f ${FAIL_INJECT} \
@ -245,18 +270,29 @@ inject-%:
 	-Wf,--catch-write-textsegment \
 	-Wf,--catch-outerspace

-# TODO: Command line interface changed
+# NOTE: Command line interface changed?
 import-arch-%: ${BUILD_DIR}/%/trace.pb ${HOME}/.my.cnf
-	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem  -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type ram
-	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace  -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type register
-	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs -t $< -e $(shell dirname $<)/system.elf -i regs
-	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip   -t $< -e $(shell dirname $<)/system.elf -i regs --no-gp --ip
-	# ${FAIL_PRUNE}  -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b %% --overwrite
-	${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem  -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
-	${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace  -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
-	${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter
-	${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip   -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter --no-gp --ip
-	${FAIL_PRUNE}  -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b %% --overwrite
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem        -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type ram
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace -t $< -e $(shell dirname $<)/system.elf -i mem --memory-type register
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs       -t $< -e $(shell dirname $<)/system.elf -i regs
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip         -t $< -e $(shell dirname $<)/system.elf -i regs --no-gp --ip
+
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem        -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs-trace -t $< -e $(shell dirname $<)/system.elf -i MemoryImporter
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs       -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter
+	# ${FAIL_IMPORT} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip         -t $< -e $(shell dirname $<)/system.elf -i RegisterImporter --no-gp --ip
+
+	${FAIL_IMPORT} -t $< -i MemoryImporter                         -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem
+	${FAIL_IMPORT} -t $< -i RegisterImporter                       -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs --flags
+	${FAIL_IMPORT} -t $< -i RegisterImporter                       -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip --no-gp --ip
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b ip --sources
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b mem --sources
+	${FAIL_IMPORT} -t $< -i ElfImporter --objdump /usr/bin/objdump -e $(shell dirname $<)/system.elf -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b regs --sources
+
+	${FAIL_PRUNE} -v ${ARCH}/$(patsubst import-arch-%,%,$@) -b %% --overwrite

 define arch-make-targets

--- a/wasm-base.dockerfile
+++ b/wasm-base.dockerfile
@ -165,7 +165,35 @@ RUN git clone https://gitea.vps.chriphost.de/christoph/wamr wamrlib \
 # TODO: Should probably put the cross-compilation definitions in a toolchain file
 COPY --from=compiler-builder /opt/crosscompiler /opt/crosscompiler
 WORKDIR /wamrlib
-RUN mkdir build_libiwasm && cd build_libiwasm \
+RUN mkdir build_libiwasm_baremetal_release && cd build_libiwasm_baremetal_release \
+ && cmake \
+    -DCMAKE_SYSTEM_NAME=Generic \
+    -DCMAKE_SYSTEM_PROCESSOR=i386 \
+    -DCMAKE_C_COMPILER=/opt/crosscompiler/bin/i386-elf-gcc \
+    -DCMAKE_CXX_COMPILER=/opt/crosscompiler/bin/i386-elf-g++ \
+    -DCMAKE_ASM_COMPILER=/opt/crosscompiler/bin/i386-elf-gcc \
+    -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_C_FLAGS_RELEASE="-O2 -DNDEBUG" \
+    -DCMAKE_CXX_FLAGS_RELEASE="-O2 -DNDEBUG" \
+    -DCMAKE_VERBOSE_MAKEFILE=ON \
+    -DWAMR_BUILD_PLATFORM=baremetal \
+    -DWAMR_BUILD_TARGET=X86_32 \
+    -DWAMR_BUILD_AOT=1 \
+    -DWAMR_BUILD_WAMR_COMPILER=0 \
+    -DWAMR_BUILD_INTERP=1 \
+    -DWAMR_BUILD_FAST_INTERP=0 \
+    -DWAMR_BUILD_JIT=0 \
+    -DWAMR_BUILD_FAST_JIT=0 \
+    -DWAMR_BUILD_LIBC_BUILTIN=1 \
+    -DWAMR_BUILD_LIBC_WASI=0 \
+    -DWAMR_BUILD_SIMD=0 \
+    -DCMAKE_COLOR_DIAGNOSTICS=ON \
+    .. \
+ && make -j$(nproc)
+
+WORKDIR /wamrlib
+RUN mkdir build_libiwasm_baremetal_debug && cd build_libiwasm_baremetal_debug \
 && cmake \
    -DCMAKE_SYSTEM_NAME=Generic \
    -DCMAKE_SYSTEM_PROCESSOR=i386 \
@ -174,6 +202,8 @@ RUN mkdir build_libiwasm && cd build_libiwasm \
    -DCMAKE_ASM_COMPILER=/opt/crosscompiler/bin/i386-elf-gcc \
    -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_C_FLAGS_DEBUG="-O0 -ggdb" \
+    -DCMAKE_CXX_FLAGS_DEBUG="-O0 -ggdb" \
    -DCMAKE_VERBOSE_MAKEFILE=ON \
    -DWAMR_BUILD_PLATFORM=baremetal \
    -DWAMR_BUILD_TARGET=X86_32 \
@ -192,8 +222,32 @@ RUN mkdir build_libiwasm && cd build_libiwasm \

 # Build WAMR libiwasm for the host system
 WORKDIR /wamrlib
-RUN mkdir build_libiwasm_linux && cd build_libiwasm_linux \
+RUN mkdir build_libiwasm_linux_release && cd build_libiwasm_linux_release \
 && cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_C_FLAGS_RELEASE="-O2 -DNDEBUG" \
+    -DCMAKE_CXX_FLAGS_RELEASE="-O2 -DNDEBUG" \
+    -DWAMR_BUILD_PLATFORM=linux \
+    -DWAMR_BUILD_TARGET=X86_32 \
+    -DWAMR_BUILD_AOT=1 \
+    -DWAMR_BUILD_WAMR_COMPILER=0 \
+    -DWAMR_BUILD_INTERP=1 \
+    -DWAMR_BUILD_FAST_INTERP=0 \
+    -DWAMR_BUILD_JIT=0 \
+    -DWAMR_BUILD_FAST_JIT=0 \
+    -DWAMR_BUILD_LIBC_BUILTIN=1 \
+    -DWAMR_BUILD_LIBC_WASI=0 \
+    -DWAMR_BUILD_SIMD=0 \
+    -DCMAKE_COLOR_DIAGNOSTICS=ON \
+    .. \
+ && make -j$(nproc)
+
+WORKDIR /wamrlib
+RUN mkdir build_libiwasm_linux_debug && cd build_libiwasm_linux_debug \
+ && cmake \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_C_FLAGS_DEBUG="-O0 -ggdb" \
+    -DCMAKE_CXX_FLAGS_DEBUG="-O0 -ggdb" \
    -DWAMR_BUILD_PLATFORM=linux \
    -DWAMR_BUILD_TARGET=X86_32 \
    -DWAMR_BUILD_AOT=1 \
@ -241,15 +295,12 @@ COPY --from=wamr-builder /wamr/product-mini/platforms/linux/build_iwasm /opt/wam
 RUN ln -sf /opt/wamr/product-mini/platforms/linux/build_iwasm /opt/wamr-iwasm \
 && ln -sf /opt/wamr/wamr-compiler/build_wamrc /opt/wamr-wamrc \
 && ln -sf /opt/wamr/wamr-compiler/build_libvmlib /opt/wamr-libvmlib \
- && ln -sf /opt/wamr/build_libiwasm /opt/wamr-libiwasm \
- && ln -sf /opt/wamr/build_libiwasm_linux /opt/wamr-libiwasm-linux
+ && ln -sf /opt/wamr/build_libiwasm_baremetal_release /opt/wamr-libiwasm-baremetal-release \
+ && ln -sf /opt/wamr/build_libiwasm_baremetal_debug /opt/wamr-libiwasm-baremetal-debug \
+ && ln -sf /opt/wamr/build_libiwasm_linux_release /opt/wamr-libiwasm-linux-release \
+ && ln -sf /opt/wamr/build_libiwasm_linux_debug /opt/wamr-libiwasm-linux-debug

-RUN useradd fail \
- && mkdir /home/fail && chown fail /home/fail \
- && echo 'fail:fail' | chpasswd && chsh fail --shell /usr/bin/fish \
- && adduser fail sudo
-
-COPY ./examples /home/fail/examples
-WORKDIR /home/fail/examples
+COPY ./examples /home/ubuntu/examples
+WORKDIR /home/ubuntu/examples

 ENV PATH="$PATH:/opt/wasi-sdk/bin:/opt/wamr-iwasm:/opt/wamr-wamrc"
Author	SHA1	Message	Date
Christoph Urlacher	593f0e34f7	Use -O2 instead of -O3	2026-03-11 18:05:06 +01:00
Christoph Urlacher	64a7098112	Build libiwasm in debug/release configuration	2026-03-11 16:18:31 +01:00
Christoph Urlacher	7a4bf17670	Call fail like in VSS instead of like in fail-targets	2026-03-11 14:55:00 +01:00
Christoph Urlacher	ad8a908506	Disable optimizations for step WASM->AOT	2026-03-09 23:25:54 +01:00
Christoph Urlacher	eb5b895b00	Enable optimizations, except for wasm module	2026-03-08 20:05:29 +01:00