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manual c function interop

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Valdemar Høgsvig Lorenzen
2026-06-11 22:46:12 +02:00
parent 2a79010a57
commit a5ceb727c1
20 changed files with 725 additions and 74 deletions
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compiler/llvm/llvm.odin
+20 -5
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@@ -202,7 +202,7 @@ emit_instruction_stream :: proc(
strings.write_string(&emitter.builder, " ")
}
strings.write_string(&emitter.builder, "call ")
if !target.c_abi {
if target.calling_convention == .Brolang {
strings.write_string(&emitter.builder, "fastcc ")
}
fmt.sbprintf(&emitter.builder, "%s @%s(", function_result_type(target), target.link_name)
@@ -321,16 +321,31 @@ emit_constructor :: proc(emitter: ^Emitter) {
emit_functions :: proc(emitter: ^Emitter) {
for function in emitter.module.functions {
strings.write_string(&emitter.builder, "define ")
if !function.c_abi {
strings.write_string(&emitter.builder, "internal fastcc ")
if function.implementation == .Declaration {
strings.write_string(&emitter.builder, "declare ")
} else {
strings.write_string(&emitter.builder, "define ")
if function.linkage == .Internal {
strings.write_string(&emitter.builder, "internal ")
}
}
if function.calling_convention == .Brolang {
strings.write_string(&emitter.builder, "fastcc ")
}
fmt.sbprintf(&emitter.builder, "%s @%s(", function_result_type(function), function.link_name)
for param_type, index in function.param_types {
if index > 0 {
strings.write_string(&emitter.builder, ", ")
}
fmt.sbprintf(&emitter.builder, "%s %%v%d", llvm_type(param_type), index)
if function.implementation == .Declaration {
fmt.sbprintf(&emitter.builder, "%s", llvm_type(param_type))
} else {
fmt.sbprintf(&emitter.builder, "%s %%v%d", llvm_type(param_type), index)
}
}
if function.implementation == .Declaration {
strings.write_string(&emitter.builder, ")\n\n")
continue
}
strings.write_string(&emitter.builder, ") {\nentry:\n")
_ = emit_instruction_stream(emitter, function.instructions, function)