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Add memmove and memset support for wasm

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This commit is contained in:
gingerBill
2021-10-31 12:47:50 +00:00
parent c6e08b059b
commit 2a5b8f53fe
4 changed files with 51 additions and 12 deletions
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src/llvm_backend.cpp
+9 -3
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@@ -771,6 +771,8 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
Type *results = alloc_type_tuple();
Type *t_ptr_cstring = alloc_type_pointer(t_cstring);
bool call_cleanup = true;
bool has_args = false;
bool is_dll_main = false;
@@ -782,10 +784,12 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
params->Tuple.variables[0] = alloc_entity_param(nullptr, make_token_ident("hinstDLL"), t_rawptr, false, true);
params->Tuple.variables[1] = alloc_entity_param(nullptr, make_token_ident("fdwReason"), t_u32, false, true);
params->Tuple.variables[2] = alloc_entity_param(nullptr, make_token_ident("lpReserved"), t_rawptr, false, true);
call_cleanup = false;
} else if (build_context.metrics.os == TargetOs_windows && build_context.metrics.arch == TargetArch_386) {
name = str_lit("mainCRTStartup");
} else if (build_context.metrics.os == TargetOs_wasi) {
name = str_lit("_start");
call_cleanup = false;
} else {
has_args = true;
slice_init(&params->Tuple.variables, permanent_allocator(), 2);
@@ -876,8 +880,10 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
}
lbValue cleanup_runtime_value = lb_find_runtime_value(m, str_lit("_cleanup_runtime"));
lb_emit_call(p, cleanup_runtime_value, {}, ProcInlining_none, false);
if (call_cleanup) {
lbValue cleanup_runtime_value = lb_find_runtime_value(m, str_lit("_cleanup_runtime"));
lb_emit_call(p, cleanup_runtime_value, {}, ProcInlining_none, false);
}
if (is_dll_main) {
@@ -890,7 +896,7 @@ lbProcedure *lb_create_main_procedure(lbModule *m, lbProcedure *startup_runtime)
if (build_context.metrics.os == TargetOs_wasi) {
LLVMSetLinkage(p->value, LLVMDLLExportLinkage);
LLVMSetLinkage(p->value, LLVMDLLExportLinkage);
} else {
LLVMSetLinkage(p->value, LLVMExternalLinkage);
}