c32d694d57
Attach LLVM debug metadata so a captured return-address PC resolves to file:line:col (the runtime half E3.3 needs) and sx binaries become debuggable in lldb/gdb. - llvm_api.zig: bind llvm-c/DebugInfo.h (DIBuilder C API was unbound). - emit_llvm.zig: DIBuilder + one DICompileUnit/DIFile on the main file, a DISubprogram per function (LLVMSetSubprogram), and a DILocation per instruction from Inst.span (errors.SourceLoc.compute, scoped to the subprogram). Plus the "Debug Info Version"/"Dwarf Version" module flags and LLVMDIBuilderFinalize. - Gated on opt none/less + a wired source map (setDebugContext from core.zig), mirroring lower.zig's tracesEnabled; release strips it. Verified: sx ir/sx asm --opt none show correct DILocations + .loc directives; the 290-example JIT suite (-O0 -> debug on) verifies and runs unchanged. +2 DWARF unit tests.
62 lines
1.6 KiB
Zig
62 lines
1.6 KiB
Zig
pub const c = @cImport({
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@cInclude("llvm-c/Core.h");
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@cInclude("llvm-c/Analysis.h");
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@cInclude("llvm-c/DebugInfo.h");
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@cInclude("llvm-c/Target.h");
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@cInclude("llvm-c/TargetMachine.h");
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@cInclude("llvm-c/LLJIT.h");
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@cInclude("llvm-c/Orc.h");
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@cInclude("llvm-c/Error.h");
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@cInclude("llvm-c/BitReader.h");
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@cInclude("llvm-c/BitWriter.h");
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@cInclude("llvm-c/Linker.h");
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// Clang shim for C header parsing + source compilation
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@cInclude("clang_shim.h");
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});
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extern fn sx_llvm_init_all_targets() void;
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extern fn sx_llvm_init_native_target() void;
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pub fn initAllTargets() void {
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sx_llvm_init_all_targets();
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}
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pub fn initNativeTarget() void {
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sx_llvm_init_native_target();
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}
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// Type aliases for ergonomics
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pub const Context = c.LLVMContextRef;
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pub const Module = c.LLVMModuleRef;
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pub const Builder = c.LLVMBuilderRef;
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pub const Value = c.LLVMValueRef;
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pub const Type = c.LLVMTypeRef;
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pub const BasicBlock = c.LLVMBasicBlockRef;
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pub const TargetMachine = c.LLVMTargetMachineRef;
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pub fn createContext() Context {
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return c.LLVMContextCreate();
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}
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pub fn disposeContext(ctx: Context) void {
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c.LLVMContextDispose(ctx);
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}
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pub fn moduleCreateWithName(name: [*:0]const u8) Module {
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return c.LLVMModuleCreateWithNameInContext(name, c.LLVMGetGlobalContext());
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}
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pub fn disposeModule(module: Module) void {
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c.LLVMDisposeModule(module);
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}
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pub fn createBuilderInContext(ctx: Context) Builder {
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return c.LLVMCreateBuilderInContext(ctx);
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}
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pub fn disposeBuilder(builder: Builder) void {
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c.LLVMDisposeBuilder(builder);
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}
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