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Merge pull request #6830 from A1029384756/stack-canaries

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Stack canaries
This commit is contained in:
gingerBill
2026-06-19 09:11:40 +01:00
committed by GitHub
parent 417aa0ea9e 863b2aea80
commit 69daa4d184
5 changed files with 116 additions and 33 deletions
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22
src/llvm_backend.cpp
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@@ -3155,32 +3155,12 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
// NOTE(bill, 2021-05-04): Target machines must be unique to each module because they are not thread safe
auto target_machines = array_make<LLVMTargetMachineRef>(permanent_allocator(), 0, gen->modules.count);
// NOTE(dweiler): Dynamic libraries require position-independent code.
LLVMRelocMode reloc_mode = LLVMRelocDefault;
if (build_context.build_mode == BuildMode_DynamicLibrary) {
reloc_mode = LLVMRelocPIC;
}
switch (build_context.reloc_mode) {
case RelocMode_Default:
break;
case RelocMode_Static:
reloc_mode = LLVMRelocStatic;
break;
case RelocMode_PIC:
reloc_mode = LLVMRelocPIC;
break;
case RelocMode_DynamicNoPIC:
reloc_mode = LLVMRelocDynamicNoPic;
break;
}
for (auto const &entry : gen->modules) {
LLVMTargetMachineRef target_machine = LLVMCreateTargetMachine(
target, target_triple, (const char *)llvm_cpu.text,
llvm_features,
code_gen_level,
reloc_mode,
get_reloc_mode(),
code_mode);
lbModule *m = entry.value;
m->target_machine = target_machine;