Fix use-after-free bugs in debuginfo (#45016)

Co-authored-by: Dilum Aluthge <[email protected]>

Author: 2 people

src/Makefile

@@ -279,20 +279,20 @@ $(BUILDDIR)/julia_flisp.boot: $(addprefix $(SRCDIR)/,jlfrontend.scm flisp/aliase
 
 # additional dependency links
 $(BUILDDIR)/codegen-stubs.o $(BUILDDIR)/codegen-stubs.dbg.obj: $(SRCDIR)/intrinsics.h
-$(BUILDDIR)/aotcompile.o $(BUILDDIR)/aotcompile.dbg.obj: $(SRCDIR)/jitlayers.h $(SRCDIR)/codegen_shared.h
+$(BUILDDIR)/aotcompile.o $(BUILDDIR)/aotcompile.dbg.obj: $(SRCDIR)/jitlayers.h $(SRCDIR)/codegen_shared.h $(SRCDIR)/debug-registry.h
 $(BUILDDIR)/ast.o $(BUILDDIR)/ast.dbg.obj: $(BUILDDIR)/julia_flisp.boot.inc $(SRCDIR)/flisp/*.h
 $(BUILDDIR)/builtins.o $(BUILDDIR)/builtins.dbg.obj: $(SRCDIR)/iddict.c $(SRCDIR)/builtin_proto.h
 $(BUILDDIR)/codegen.o $(BUILDDIR)/codegen.dbg.obj: $(addprefix $(SRCDIR)/,\
-	intrinsics.cpp jitlayers.h intrinsics.h codegen_shared.h cgutils.cpp ccall.cpp abi_*.cpp processor.h builtin_proto.h)
-$(BUILDDIR)/debuginfo.o $(BUILDDIR)/debuginfo.dbg.obj: $(addprefix $(SRCDIR)/,debuginfo.h processor.h)
+	intrinsics.cpp jitlayers.h debug-registry.h intrinsics.h codegen_shared.h cgutils.cpp ccall.cpp abi_*.cpp processor.h builtin_proto.h)
+$(BUILDDIR)/debuginfo.o $(BUILDDIR)/debuginfo.dbg.obj: $(addprefix $(SRCDIR)/,debuginfo.h processor.h jitlayers.h debug-registry.h)
 $(BUILDDIR)/disasm.o $(BUILDDIR)/disasm.dbg.obj: $(SRCDIR)/debuginfo.h $(SRCDIR)/processor.h
 $(BUILDDIR)/dump.o $(BUILDDIR)/dump.dbg.obj: $(addprefix $(SRCDIR)/,common_symbols1.inc common_symbols2.inc builtin_proto.h serialize.h)
 $(BUILDDIR)/gc-debug.o $(BUILDDIR)/gc-debug.dbg.obj: $(SRCDIR)/gc.h
 $(BUILDDIR)/gc-pages.o $(BUILDDIR)/gc-pages.dbg.obj: $(SRCDIR)/gc.h
 $(BUILDDIR)/gc.o $(BUILDDIR)/gc.dbg.obj: $(SRCDIR)/gc.h $(SRCDIR)/gc-alloc-profiler.h
 $(BUILDDIR)/init.o $(BUILDDIR)/init.dbg.obj: $(SRCDIR)/builtin_proto.h
 $(BUILDDIR)/interpreter.o $(BUILDDIR)/interpreter.dbg.obj: $(SRCDIR)/builtin_proto.h
-$(BUILDDIR)/jitlayers.o $(BUILDDIR)/jitlayers.dbg.obj: $(SRCDIR)/jitlayers.h $(SRCDIR)/codegen_shared.h
+$(BUILDDIR)/jitlayers.o $(BUILDDIR)/jitlayers.dbg.obj: $(SRCDIR)/jitlayers.h $(SRCDIR)/codegen_shared.h $(SRCDIR)/debug-registry.h
 $(BUILDDIR)/jltypes.o $(BUILDDIR)/jltypes.dbg.obj: $(SRCDIR)/builtin_proto.h
 $(build_shlibdir)/libllvmcalltest.$(SHLIB_EXT): $(SRCDIR)/codegen_shared.h $(BUILDDIR)/julia_version.h
 $(BUILDDIR)/llvm-alloc-helpers.o $(BUILDDIR)/llvm-alloc-helpers.dbg.obj: $(SRCDIR)/codegen_shared.h $(SRCDIR)/llvm-pass-helpers.h $(SRCDIR)/llvm-alloc-helpers.h

src/codegen.cpp

@@ -8155,8 +8155,6 @@ char jl_using_oprofile_jitevents = 0; // Non-zero if running under OProfile
 char jl_using_perf_jitevents = 0;
 #endif
 
-void jl_init_debuginfo(void);
-
 extern "C" void jl_init_llvm(void)
 {
     builtin_func_map =
@@ -8199,7 +8197,6 @@ extern "C" void jl_init_llvm(void)
     jl_default_debug_info_kind = (int) DICompileUnit::DebugEmissionKind::FullDebug;
     imaging_mode = jl_options.image_codegen || (jl_generating_output() && !jl_options.incremental);
     jl_default_cgparams.generic_context = jl_nothing;
-    jl_init_debuginfo();
 
     InitializeNativeTarget();
     InitializeNativeTargetAsmPrinter();