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Fix array indexing in sandbox-bindgen.rb

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刘皓 2025-01-05 13:08:33 -05:00
parent 7de761873c
commit 19cafa332c
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GPG key ID: 7901753DB465B711
2 changed files with 19 additions and 5 deletions
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18
retro/Makefile
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@ -32,7 +32,21 @@ GIT := git
CLONE := $(GIT) clone -q --depth 1
GITHUB := https://github.com
default: $(OUTDIR)/mkxp-retro-dist.zip.c $(OUTDIR)/mkxp-retro-ruby/mkxp-retro-ruby.h $(OUTDIR)/mkxp-sandbox-bindgen.cpp $(OUTDIR)/mkxp-sandbox-bindgen.h $(OUTDIR)/wasm2c/wasm-rt-impl.c $(OUTDIR)/wasm2c/wasm-rt-mem-impl.c $(OUTDIR)/libretro.h
all default: deps ruby-dist ruby-bindings
ruby-dist: $(OUTDIR)/mkxp-retro-dist.zip.c $(OUTDIR)/mkxp-retro-ruby/mkxp-retro-ruby.h
ruby-bindings: $(OUTDIR)/mkxp-sandbox-bindgen.cpp $(OUTDIR)/mkxp-sandbox-bindgen.h
deps: $(OUTDIR)/libretro.h $(OUTDIR)/wasm2c/wasm-rt-impl.c $(OUTDIR)/wasm2c/wasm-rt-mem-impl.c
clean:
rm -rf $(BUILD_PREFIX)
clean-ruby-bindings:
rm -f $(OUTDIR)/mkxp-sandbox-bindgen.cpp; \
rm -f $(OUTDIR)/mkxp-sandbox-bindgen.h; \
rm -f $(LIBDIR)/tags
$(OUTDIR)/libretro.h:
mkdir -p $(OUTDIR); \
@ -99,7 +113,7 @@ $(OUTDIR)/mkxp-sandbox-bindgen.cpp $(OUTDIR)/mkxp-sandbox-bindgen.h: $(LIBDIR)/t
mv mkxp-sandbox-bindgen.cpp $(OUTDIR)
$(LIBDIR)/tags: $(LIBDIR)/include/ruby-$(RUBY_VERSION).0
$(CTAGS) -R --output-format=e-ctags --fields=S --kinds-c=p --kinds-c++=p -o $(LIBDIR)/tags $(LIBDIR)/include/ruby-$(RUBY_VERSION).0
$(CTAGS) -R --fields=S --kinds-c=p --kinds-c++=p -o $(LIBDIR)/tags $(LIBDIR)/include/ruby-$(RUBY_VERSION).0
$(RUBY) $(LIBDIR)/include/ruby-$(RUBY_VERSION).0: $(DOWNLOADS)/baseruby/Makefile
cd $(DOWNLOADS)/baseruby; \

6
retro/sandbox-bindgen.rb
View file

@ -60,7 +60,7 @@ ARG_HANDLERS = {
buf_size: 'PREV_ARG * sizeof(wasm_ptr_t)',
serialize: <<~HEREDOC
for (int i = 0; i < PREV_ARG; ++i) {
((wasm_ptr_t *)module_instance->w2c_memory.data + BUF)[i] = SERIALIZE_PTR(ARG[i]);
((wasm_ptr_t *)(module_instance->w2c_memory.data + BUF))[i] = SERIALIZE_PTR(ARG[i]);
}
HEREDOC
},
@ -355,7 +355,7 @@ File.readlines('tags', chomp: true).each do |line|
std::va_list a;
va_start(a, a#{args.length - 2});
for (long i = 0; i < a#{args.length - 2}; ++i) {
((wasm_ptr_t *)module_instance->w2c_memory.data + v)[i] = SERIALIZE_PTR(va_arg(a, wasm_ptr_t));
((wasm_ptr_t *)(module_instance->w2c_memory.data + v))[i] = SERIALIZE_PTR(va_arg(a, wasm_ptr_t));
}
va_end(a);
HEREDOC
@ -378,7 +378,7 @@ File.readlines('tags', chomp: true).each do |line|
throw SandboxOutOfMemoryException();
}
for (wasm_ptr_t i = 0; i < n; ++i) {
((wasm_ptr_t *)module_instance->w2c_memory.data + v)[i] = SERIALIZE_PTR(va_arg(a, wasm_ptr_t));
((wasm_ptr_t *)(module_instance->w2c_memory.data + v))[i] = SERIALIZE_PTR(va_arg(a, wasm_ptr_t));
}
HEREDOC
binding += "\n"