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-rw-r--r--src/llvm_backend.cpp28
1 files changed, 24 insertions, 4 deletions
diff --git a/src/llvm_backend.cpp b/src/llvm_backend.cpp
index 361a0c46b..90e7b2793 100644
--- a/src/llvm_backend.cpp
+++ b/src/llvm_backend.cpp
@@ -1907,6 +1907,10 @@ gb_internal lbProcedure *lb_create_startup_runtime(lbModule *main_module, lbProc
lb_add_attribute_to_proc(p->module, p->value, "optnone");
lb_add_attribute_to_proc(p->module, p->value, "noinline");
+ // Make sure shared libraries call their own runtime startup on Linux.
+ LLVMSetVisibility(p->value, LLVMHiddenVisibility);
+ LLVMSetLinkage(p->value, LLVMWeakAnyLinkage);
+
lb_begin_procedure_body(p);
lb_setup_type_info_data(main_module);
@@ -2016,6 +2020,10 @@ gb_internal lbProcedure *lb_create_cleanup_runtime(lbModule *main_module) { // C
lb_add_attribute_to_proc(p->module, p->value, "optnone");
lb_add_attribute_to_proc(p->module, p->value, "noinline");
+ // Make sure shared libraries call their own runtime cleanup on Linux.
+ LLVMSetVisibility(p->value, LLVMHiddenVisibility);
+ LLVMSetLinkage(p->value, LLVMWeakAnyLinkage);
+
lb_begin_procedure_body(p);
CheckerInfo *info = main_module->gen->info;
@@ -3417,36 +3425,48 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
if (build_context.sanitizer_flags & SanitizerFlag_Address) {
- if (build_context.metrics.os == TargetOs_windows) {
+ switch (build_context.metrics.os) {
+ case TargetOs_windows: {
auto paths = array_make<String>(heap_allocator(), 0, 1);
String path = concatenate_strings(permanent_allocator(), build_context.ODIN_ROOT, str_lit("\\bin\\llvm\\windows\\clang_rt.asan-x86_64.lib"));
array_add(&paths, path);
Entity *lib = alloc_entity_library_name(nullptr, make_token_ident("asan_lib"), nullptr, slice_from_array(paths), str_lit("asan_lib"));
array_add(&gen->foreign_libraries, lib);
- } else if (build_context.metrics.os == TargetOs_darwin || build_context.metrics.os == TargetOs_linux) {
+ } break;
+ case TargetOs_darwin:
+ case TargetOs_linux:
+ case TargetOs_freebsd:
if (!build_context.extra_linker_flags.text) {
build_context.extra_linker_flags = str_lit("-fsanitize=address");
} else {
build_context.extra_linker_flags = concatenate_strings(permanent_allocator(), build_context.extra_linker_flags, str_lit(" -fsanitize=address"));
}
+ break;
}
}
if (build_context.sanitizer_flags & SanitizerFlag_Memory) {
- if (build_context.metrics.os == TargetOs_darwin || build_context.metrics.os == TargetOs_linux) {
+ switch (build_context.metrics.os) {
+ case TargetOs_linux:
+ case TargetOs_freebsd:
if (!build_context.extra_linker_flags.text) {
build_context.extra_linker_flags = str_lit("-fsanitize=memory");
} else {
build_context.extra_linker_flags = concatenate_strings(permanent_allocator(), build_context.extra_linker_flags, str_lit(" -fsanitize=memory"));
}
+ break;
}
}
if (build_context.sanitizer_flags & SanitizerFlag_Thread) {
- if (build_context.metrics.os == TargetOs_darwin || build_context.metrics.os == TargetOs_linux) {
+ switch (build_context.metrics.os) {
+ case TargetOs_darwin:
+ case TargetOs_linux:
+ case TargetOs_freebsd:
if (!build_context.extra_linker_flags.text) {
build_context.extra_linker_flags = str_lit("-fsanitize=thread");
} else {
build_context.extra_linker_flags = concatenate_strings(permanent_allocator(), build_context.extra_linker_flags, str_lit(" -fsanitize=thread"));
}
+ break;
}
}