mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-02-13 04:48:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

c_abi: when compiling for x86_64, differenciate between system V and windows ABI

Browse Source
This commit is contained in:
Sahnvour 2019-03-19 22:08:19 +01:00
parent ae9b90cf6e
commit c17b1635ca
1 changed files with 34 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/analyze.cpp
View File

@ -6699,10 +6699,28 @@ Error file_fetch(CodeGen *g, Buf *resolved_path, Buf *contents) {
}
}
X64CABIClass type_c_abi_x86_64_class(CodeGen *g, ZigType *ty) {
size_t ty_size = type_size(g, ty);
if (get_codegen_ptr_type(ty) != nullptr)
return X64CABIClass_INTEGER;
static X64CABIClass type_windows_abi_x86_64_class(CodeGen *g, ZigType *ty, size_t ty_size) {
// https://docs.microsoft.com/en-gb/cpp/build/x64-calling-convention?view=vs-2017
switch (ty->id) {
case ZigTypeIdEnum:
case ZigTypeIdInt:
case ZigTypeIdBool:
return X64CABIClass_INTEGER;
case ZigTypeIdFloat:
case ZigTypeIdVector:
return X64CABIClass_SSE;
case ZigTypeIdStruct:
case ZigTypeIdUnion: {
if (ty_size <= 8)
return X64CABIClass_INTEGER;
return X64CABIClass_MEMORY;
}
default:
return X64CABIClass_Unknown;
}
}
static X64CABIClass type_system_V_abi_x86_64_class(CodeGen *g, ZigType *ty, size_t ty_size) {
switch (ty->id) {
case ZigTypeIdEnum:
case ZigTypeIdInt:
@ -6770,6 +6788,18 @@ X64CABIClass type_c_abi_x86_64_class(CodeGen *g, ZigType *ty) {
}
}
X64CABIClass type_c_abi_x86_64_class(CodeGen *g, ZigType *ty) {
const size_t ty_size = type_size(g, ty);
if (get_codegen_ptr_type(ty) != nullptr)
return X64CABIClass_INTEGER;
if (g->zig_target->os == OsWindows || g->zig_target->os == OsUefi) {
return type_windows_abi_x86_64_class(g, ty, ty_size);
} else {
return type_system_V_abi_x86_64_class(g, ty, ty_size);
}
}
// NOTE this does not depend on x86_64
bool type_is_c_abi_int(CodeGen *g, ZigType *ty) {
return (ty->id == ZigTypeIdInt ||