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Merge pull request #5173 from Feoramund/fix-linux-shared-lib-runtime-call

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Keep shared libraries from calling main program's startup/cleanup procs on Linux
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gingerBill
2025-05-22 15:27:53 +01:00
committed by GitHub
parent 9421b77eb5 713360a792
commit 34e998c1fc
1 changed files with 8 additions and 0 deletions
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8
src/llvm_backend.cpp
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@@ -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;