Merge pull request #126 from TheBlueMatt/main
[ldk-java] / genbindings.sh
1 #!/bin/bash
2 usage() {
3         echo "USAGE: path/to/ldk-c-bindings [wasm|\"JNI_CFLAGS\"] debug android_web"
4         echo "For JNI_CFLAGS you probably want -I/usr/lib/jvm/java-11-openjdk-amd64/include/ -I/usr/lib/jvm/java-11-openjdk-amd64/include/linux/"
5         echo "If JNI_CFLAGS is instead set to wasm, we build for wasm/TypeScript instead of Java"
6         echo "debug should either be true, false, or leaks"
7         echo "debug of leaks turns on leak tracking on an optimized release bianry"
8         echo "android_web should either be true or false and indicates if we build for android (Java) or web (WASM)"
9         echo "Note that web currently generates the same results as !web (ie Node.JS)"
10         exit 1
11 }
12 [ "$1" = "" ] && usage
13 [ "$3" != "true" -a "$3" != "false" -a "$3" != "leaks" ] && usage
14 [ "$4" != "true" -a "$4" != "false" ] && usage
15
16 set -e
17 set -x
18
19 function is_gnu_sed(){
20   sed --version >/dev/null 2>&1
21 }
22
23 if [ "$CC" != "" ]; then
24         COMMON_COMPILE="$CC -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-unused-function -Wno-nullability-completeness -Wno-pointer-sign -Wdate-time -ffile-prefix-map=$(pwd)="
25 else
26         CC=clang
27         COMMON_COMPILE="clang -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-unused-function -Wno-nullability-completeness -Wno-pointer-sign -Wdate-time -ffile-prefix-map=$(pwd)="
28 fi
29
30 DEBUG_ARG="$3"
31 if [ "$3" = "leaks" ]; then
32         DEBUG_ARG="true"
33 fi
34
35 cp "$1/lightning-c-bindings/include/lightning.h" ./
36 if is_gnu_sed; then
37         sed -i "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
38 else
39   # OSX sed is for some reason not compatible with GNU sed
40         sed -i '' "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
41 fi
42
43 if [ "$LDK_GARBAGECOLLECTED_GIT_OVERRIDE" = "" ]; then
44         export LDK_GARBAGECOLLECTED_GIT_OVERRIDE=$(git describe --tag --dirty)
45 fi
46 if [ "${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:0:1}" != "v" ]; then
47         echo "Version tag should start with a v" > /dev/stderr
48         exit 1
49 fi
50
51
52 if [ "$2" = "c_sharp" ]; then
53         TARGET_STRING="$LDK_TARGET"
54         if [ "$TARGET_STRING" = "" ]; then
55                 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
56                 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
57         fi
58         case "$TARGET_STRING" in
59                 "x86_64-pc-linux"*)
60                         LDK_TARGET_SUFFIX="_Linux-amd64"
61                         LDK_JAR_TARGET=true
62                         ;;
63                 "x86_64-apple-darwin"*)
64                         LDK_TARGET_SUFFIX="_MacOSX-x86_64"
65                         LDK_JAR_TARGET=true
66                         ;;
67                 "aarch64-apple-darwin"*)
68                         LDK_TARGET_CPU="apple-a14"
69                         LDK_TARGET_SUFFIX="_MacOSX-aarch64"
70                         LDK_JAR_TARGET=true
71                         ;;
72                 *)
73                         LDK_TARGET_SUFFIX="_${TARGET_STRING}"
74         esac
75         if [ "$LDK_TARGET_CPU" = "" ]; then
76                 LDK_TARGET_CPU="sandybridge"
77         fi
78
79         echo "Creating C# bindings..."
80         mkdir -p c_sharp/src/org/ldk/{enums,structs,impl}
81         rm -f c_sharp/src/org/ldk/{enums,structs,impl}/*.cs
82         ./genbindings.py "./lightning.h" c_sharp/src/org/ldk/impl c_sharp/src/org/ldk c_sharp/ $DEBUG_ARG c_sharp $4
83         rm -f c_sharp/bindings.c
84         if [ "$3" = "true" ]; then
85                 echo "#define LDK_DEBUG_BUILD" > c_sharp/bindings.c
86         elif [ "$3" = "leaks" ]; then
87                 # For leak checking we use release libldk which doesn't expose
88                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
89                 echo "#define __unmangle_inner_ptr(a) (a)" > c_sharp/bindings.c
90         fi
91         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> c_sharp/bindings.c
92         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> c_sharp/bindings.c
93         cat c_sharp/bindings.c.body >> c_sharp/bindings.c
94
95         IS_MAC=false
96         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
97         IS_APPLE_CLANG=false
98         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
99
100         # Compiling C# bindings with Mono
101         MONO_COMPILE="-out:csharpldk.dll -langversion:3 -t:library c_sharp/src/org/ldk/enums/*.cs c_sharp/src/org/ldk/impl/*.cs c_sharp/src/org/ldk/util/*.cs c_sharp/src/org/ldk/structs/*.cs"
102         if [ "$3" = "true" ]; then
103                 mono-csc $MONO_COMPILE
104         else
105                 mono-csc -o $MONO_COMPILE
106         fi
107
108         mv ./-out:csharpldk.dll csharpldk.dll # Mono is braindead, apparently
109
110         echo "Building C# bindings..."
111         COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
112         LINK="-ldl -shared"
113         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
114         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
115         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
116         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
117         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
118
119         exit 0 # Sadly compilation doesn't currently work
120         if [ "$3" = "true" ]; then
121                 $COMPILE $LINK -o liblightningjni_debug$LDK_TARGET_SUFFIX.so -g -fsanitize=address -shared-libasan -rdynamic -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/debug/libldk.a -lm
122         else
123                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
124                 $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -Wl,--version-script=c_sharp/libcode.version -flto -O3 -Wl,--lto-O3 -Wl,-O3 -Wl,--version-script=c_sharp/libcode.version -I"$1"/lightning-c-bindings/include/ $2 bindings.o "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a -lm
125                 llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
126         fi
127 elif [ "$2" = "wasm" ]; then
128         echo "Creating TS bindings..."
129         mkdir -p ts/{enums,structs}
130         rm -f ts/{enums,structs,}/*.{mjs,mts,mts.part}
131         if [ "$4" = "false" ]; then
132                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript node
133         else
134                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript browser
135         fi
136         rm -f ts/bindings.c
137         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' ts/package.json
138         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' node-net/package.json
139         sed -i 's/^    "lightningdevkit": .*/    "lightningdevkit": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'"/g' node-net/package.json
140         if [ "$3" = "true" ]; then
141                 echo "#define LDK_DEBUG_BUILD" > ts/bindings.c
142         elif [ "$3" = "leaks" ]; then
143                 # For leak checking we use release libldk which doesn't expose
144                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
145                 echo "#define __unmangle_inner_ptr(a) (a)" > ts/bindings.c
146         fi
147         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> ts/bindings.c
148         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> ts/bindings.c
149         cat ts/bindings.c.body >> ts/bindings.c
150
151         echo "Building TS bindings..."
152         COMPILE="$COMMON_COMPILE -flto -Wl,--no-entry -nostdlib --target=wasm32-wasi -Wl,-z -Wl,stack-size=$((8*1024*1024)) -Wl,--initial-memory=$((16*1024*1024)) -Wl,--max-memory=$((1024*1024*1024)) -Wl,--global-base=4096"
153         # We only need malloc and assert/abort, but for now just use WASI for those:
154         EXTRA_LINK=/usr/lib/wasm32-wasi/libc.a
155         [ "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,reallocarray -Wl,-wrap,malloc -Wl,-wrap,aligned_alloc -Wl,-wrap,free"
156         if [ "$3" = "true" ]; then
157                 WASM_FILE=liblightningjs_debug.wasm
158                 $COMPILE -o liblightningjs_debug.wasm -g -O1 -I"$1"/lightning-c-bindings/include/ ts/bindings.c "$1"/lightning-c-bindings/target/wasm32-wasi/debug/libldk.a $EXTRA_LINK
159         else
160                 WASM_FILE=liblightningjs_release.wasm
161                 $COMPILE -o liblightningjs_release.wasm -s -Oz -I"$1"/lightning-c-bindings/include/ ts/bindings.c "$1"/lightning-c-bindings/target/wasm32-wasi/release/libldk.a $EXTRA_LINK
162         fi
163
164         if [ -x "$(which tsc)" ]; then
165                 cd ts
166                 for F in structs/*; do
167                         cat imports.mts.part | grep -v " $(basename -s .mts $F)[ ,]" | cat - $F > $F.tmp
168                         mv $F.tmp $F
169                 done
170                 rm imports.mts.part
171                 tsc --types node --typeRoots .
172                 cp ../$WASM_FILE liblightningjs.wasm
173                 cp ../README.md README.md
174                 cd ../node-net
175                 tsc --types node --typeRoots .
176                 echo Ready to publish!
177                 if [ -x "$(which node)" ]; then
178                         NODE_V="$(node --version)"
179                         if [ "${NODE_V:1:2}" -gt 14 ]; then
180                                 cd ../ts
181                                 node --stack_trace_limit=200 --trace-uncaught test/node.mjs
182                                 cd ../node-net
183                                 node --stack_trace_limit=200 --trace-uncaught test/test.mjs
184                         fi
185                 fi
186         fi
187 else
188         TARGET_STRING="$LDK_TARGET"
189         if [ "$TARGET_STRING" = "" ]; then
190                 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
191                 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
192         fi
193         case "$TARGET_STRING" in
194                 "x86_64-pc-linux"*)
195                         LDK_TARGET_SUFFIX="_Linux-amd64"
196                         LDK_JAR_TARGET=true
197                         ;;
198                 "x86_64-apple-darwin"*)
199                         LDK_TARGET_SUFFIX="_MacOSX-x86_64"
200                         LDK_JAR_TARGET=true
201                         ;;
202                 "aarch64-apple-darwin"*)
203                         LDK_TARGET_CPU="apple-a14"
204                         LDK_TARGET_SUFFIX="_MacOSX-aarch64"
205                         LDK_JAR_TARGET=true
206                         ;;
207                 *)
208                         LDK_TARGET_SUFFIX="_${TARGET_STRING}"
209         esac
210         if [ "$LDK_TARGET_CPU" = "" ]; then
211                 LDK_TARGET_CPU="sandybridge"
212         fi
213
214         if is_gnu_sed; then
215                 sed -i "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
216         else
217           # OSX sed is for some reason not compatible with GNU sed
218                 sed -i '' "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
219         fi
220
221         echo "Creating Java bindings..."
222         mkdir -p src/main/java/org/ldk/{enums,structs}
223         rm -f src/main/java/org/ldk/{enums,structs}/*.java
224         rm -f src/main/jni/*.h
225         if [ "$4" = "true" ]; then
226                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG android $4
227         else
228                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG java $4
229         fi
230         rm -f src/main/jni/bindings.c
231         if [ "$3" = "true" ]; then
232                 echo "#define LDK_DEBUG_BUILD" > src/main/jni/bindings.c
233         elif [ "$3" = "leaks" ]; then
234                 # For leak checking we use release libldk which doesn't expose
235                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
236                 echo "#define __unmangle_inner_ptr(a) (a)" > src/main/jni/bindings.c
237         fi
238         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> src/main/jni/bindings.c
239         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> src/main/jni/bindings.c
240         cat src/main/jni/bindings.c.body >> src/main/jni/bindings.c
241         javac -h src/main/jni src/main/java/org/ldk/enums/*.java src/main/java/org/ldk/impl/*.java
242         rm src/main/java/org/ldk/enums/*.class src/main/java/org/ldk/impl/bindings*.class
243
244         IS_MAC=false
245         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
246         IS_APPLE_CLANG=false
247         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
248
249         echo "Building Java bindings..."
250         COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
251         LINK="-ldl -shared"
252         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
253         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
254         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
255         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
256         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
257         if [ "$3" = "true" ]; then
258                 $COMPILE $LINK -o liblightningjni_debug$LDK_TARGET_SUFFIX.so -g -fsanitize=address -shared-libasan -rdynamic -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/debug/libldk.a -lm
259         else
260                 LDK_LIB="$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
261                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
262                         LINK="$LINK -Wl,--version-script=libcode.version -fuse-ld=lld"
263                         # __cxa_thread_atexit_impl is used to more effeciently cleanup per-thread local storage by rust libstd.
264                         # However, it is not available on glibc versions 2.17 or earlier, and rust libstd has a null-check and
265                         # fallback in case it is missing.
266                         # Because it is weak-linked on the rust side, we should be able to simply define it
267                         # explicitly, forcing rust to use the fallback. However, for some reason involving ancient
268                         # dark magic and haunted code segments, overriding the weak symbol only impacts sites which
269                         # *call* the symbol in question, not sites which *compare with* the symbol in question.
270                         # This means that the NULL check in rust's libstd will always think the function is
271                         # callable while the function which is called ends up being NULL (leading to a jmp to the
272                         # zero page and a quick SEGFAULT).
273                         # This issue persists not only with directly providing a symbol, but also ld.lld's -wrap
274                         # and --defsym arguments.
275                         # In smaller programs, it appears to be possible to work around this with -Bsymbolic and
276                         # -nostdlib, however when applied the full-sized JNI library here it no longer works.
277                         # After exhausting nearly every flag documented in lld, the only reliable method appears
278                         # to be editing the LDK binary. Luckily, LLVM's tooling makes this rather easy as we can
279                         # disassemble it into very readable code, edit it, and then reassemble it.
280                         # Note that if we do so we don't have to bother overriding the actual call, LLVM should
281                         # optimize it away, which also provides a good check that there isn't anything actually
282                         # relying on it elsewhere.
283                         [ ! -f "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a ] && exit 1
284                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep -v "\.o$" || echo)" != "" ]; then
285                                 echo "Archive contained non-object files!"
286                                 exit 1
287                         fi
288                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep ldk.*-cgu.*.rcgu.o | wc -l)" != "1" ]; then
289                                 echo "Archive contained more than one LDK object file"
290                                 exit 1
291                         fi
292                         mkdir -p tmp
293                         rm -f tmp/*
294                         ar x --output=tmp "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
295                         pushd tmp
296                         llvm-dis ldk*-cgu.*.rcgu.o
297                         sed -i 's/br i1 icmp eq (i8\* @__cxa_thread_atexit_impl, i8\* null)/br i1 icmp eq (i8* null, i8* null)/g' ldk*-cgu.*.rcgu.o.ll
298                         llvm-as ldk*-cgu.*.rcgu.o.ll -o ./libldk.bc
299                         ar q libldk.a *.o
300                         popd
301                         LDK_LIB="tmp/libldk.bc tmp/libldk.a"
302                 fi
303                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c
304                 $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -flto -Wl,--lto-O3 -Wl,-O3 -O3 -I"$1"/lightning-c-bindings/include/ $2 bindings.o $LDK_LIB -lm
305                 llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
306                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
307                         GLIBC_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep GLIBC_ | grep -v "GLIBC_2\.2\." | grep -v "GLIBC_2\.3\(\.\| \)" | grep -v "GLIBC_2.\(14\|17\) " || echo)"
308                         if [ "$GLIBC_SYMBS" != "" ]; then
309                                 echo "Unexpected glibc version dependency! Some users need glibc 2.17 support, symbols for newer glibcs cannot be included."
310                                 echo "$GLIBC_SYMBS"
311                                 exit 1
312                         fi
313                         REALLOC_ARRAY_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep reallocarray || echo)"
314                         if [ "$REALLOC_ARRAY_SYMBS" != "" ]; then
315                                 echo "Unexpected reallocarray dependency!"
316                                 exit 1
317                         fi
318                 fi
319                 if [ "$LDK_JAR_TARGET" = "true" ]; then
320                         # Copy to JNI native directory for inclusion in JARs
321                         mkdir -p src/main/resources/
322                         cp liblightningjni_release$LDK_TARGET_SUFFIX.so src/main/resources/liblightningjni$LDK_TARGET_SUFFIX.nativelib
323                 fi
324         fi
325 fi