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Add wasm-ld support for wasm code generation

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This commit is contained in:
gingerBill
2020-06-03 13:12:38 +01:00
parent 8589af1458
commit 626b4740b1
3 changed files with 32 additions and 10 deletions
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24
src/llvm_backend.cpp
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@@ -2017,6 +2017,9 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity) {
p->branch_blocks.allocator = a;
p->context_stack.allocator = a;
if (p->is_foreign) {
lb_add_foreign_library_path(p->module, entity->Procedure.foreign_library);
}
char *c_link_name = alloc_cstring(heap_allocator(), p->name);
LLVMTypeRef func_ptr_type = lb_type(m, p->type);
@@ -2036,10 +2039,24 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity) {
LLVMSetVisibility(p->value, LLVMDefaultVisibility);
if (build_context.metrics.os == TargetOs_js) {
LLVMAddTargetDependentFunctionAttr(p->value, "wasm-export-name", alloc_cstring(heap_allocator(), p->name));
char const *export_name = alloc_cstring(heap_allocator(), p->name);
LLVMAddTargetDependentFunctionAttr(p->value, "export", export_name);
LLVMAddTargetDependentFunctionAttr(p->value, "export-name", export_name);
LLVMAddTargetDependentFunctionAttr(p->value, "wasm-export-name", export_name);
LLVMAddTargetDependentFunctionAttr(p->value, "wasm-exported", nullptr);
}
}
if (p->is_foreign) {
if (build_context.metrics.os == TargetOs_js) {
char const *import_name = alloc_cstring(heap_allocator(), p->name);
char const *module_name = "env";
if (entity->Procedure.foreign_library != nullptr) {
module_name = alloc_cstring(heap_allocator(), entity->Procedure.foreign_library->token.string);
}
LLVMAddTargetDependentFunctionAttr(p->value, "wasm-import-name", import_name);
LLVMAddTargetDependentFunctionAttr(p->value, "wasm-import-module", module_name);
}
}
// NOTE(bill): offset==0 is the return value
isize offset = 1;
@@ -2085,9 +2102,6 @@ lbProcedure *lb_create_procedure(lbModule *m, Entity *entity) {
}
if (entity->Procedure.is_foreign) {
lb_add_foreign_library_path(p->module, entity->Procedure.foreign_library);
}
{ // Debug Information
@@ -12192,7 +12206,7 @@ void lb_generate_code(lbGenerator *gen) {
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".o"));
break;
case TargetOs_js:
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".wasm"));
filepath_obj = concatenate_strings(heap_allocator(), gen->output_base, STR_LIT(".wasm-obj"));
break;
}