126 lines
4.3 KiB
Rust
126 lines
4.3 KiB
Rust
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import driver::session;
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import middle::trans::base;
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import middle::trans::common::{T_fn, T_i1, T_i8, T_i32,
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T_int, T_nil,
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T_opaque_vec, T_ptr, T_unique_ptr,
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T_size_t, T_void, T_vec2};
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import lib::llvm::{type_names, ModuleRef, ValueRef, TypeRef};
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type upcalls =
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{_fail: ValueRef,
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trace: ValueRef,
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malloc: ValueRef,
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malloc_dyn: ValueRef,
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free: ValueRef,
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exchange_malloc: ValueRef,
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exchange_malloc_dyn: ValueRef,
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exchange_free: ValueRef,
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validate_box: ValueRef,
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mark: ValueRef,
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vec_grow: ValueRef,
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str_new_uniq: ValueRef,
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str_new_shared: ValueRef,
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str_concat: ValueRef,
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cmp_type: ValueRef,
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log_type: ValueRef,
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alloc_c_stack: ValueRef,
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call_shim_on_c_stack: ValueRef,
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call_shim_on_rust_stack: ValueRef,
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rust_personality: ValueRef,
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reset_stack_limit: ValueRef};
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fn declare_upcalls(targ_cfg: @session::config,
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_tn: type_names,
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tydesc_type: TypeRef,
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llmod: ModuleRef) -> @upcalls {
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fn decl(llmod: ModuleRef, prefix: str, name: str,
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tys: [TypeRef], rv: TypeRef) ->
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ValueRef {
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let mut arg_tys: [TypeRef] = [];
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for tys.each {|t| arg_tys += [t]; }
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let fn_ty = T_fn(arg_tys, rv);
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ret base::decl_cdecl_fn(llmod, prefix + name, fn_ty);
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}
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fn nothrow(f: ValueRef) -> ValueRef {
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base::set_no_unwind(f); f
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}
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let d = bind decl(llmod, "upcall_", _, _, _);
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let dv = bind decl(llmod, "upcall_", _, _, T_void());
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let int_t = T_int(targ_cfg);
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let size_t = T_size_t(targ_cfg);
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ret @{_fail: dv("fail", [T_ptr(T_i8()),
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T_ptr(T_i8()),
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size_t]),
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trace: dv("trace", [T_ptr(T_i8()),
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T_ptr(T_i8()),
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int_t]),
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malloc:
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nothrow(d("malloc", [T_ptr(tydesc_type)],
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malloc_dyn:
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nothrow(d("malloc_dyn",
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[T_ptr(tydesc_type), int_t],
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T_ptr(T_i8()))),
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free:
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nothrow(dv("free", [T_ptr(T_i8())])),
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exchange_malloc:
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nothrow(d("exchange_malloc", [T_ptr(tydesc_type)],
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T_ptr(T_i8()))),
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exchange_malloc_dyn:
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nothrow(d("exchange_malloc_dyn",
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[T_ptr(tydesc_type), int_t],
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T_ptr(T_i8()))),
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exchange_free:
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nothrow(dv("exchange_free", [T_ptr(T_i8())])),
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validate_box:
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nothrow(dv("validate_box", [T_ptr(T_i8())])),
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mark:
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d("mark", [T_ptr(T_i8())], int_t),
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vec_grow:
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nothrow(dv("vec_grow", [T_ptr(T_ptr(T_i8())), int_t])),
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str_new_uniq:
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nothrow(d("str_new_uniq", [T_ptr(T_i8()), int_t],
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T_ptr(T_i8()))),
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str_new_shared:
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nothrow(d("str_new_shared", [T_ptr(T_i8()), int_t],
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T_ptr(T_i8()))),
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str_concat:
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nothrow(d("str_concat", [T_ptr(T_i8()),
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T_ptr(T_i8())],
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T_ptr(T_i8()))),
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cmp_type:
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dv("cmp_type",
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[T_ptr(T_i1()), T_ptr(tydesc_type),
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T_ptr(T_ptr(tydesc_type)), T_ptr(T_i8()),
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T_ptr(T_i8()),
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T_i8()]),
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log_type:
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dv("log_type", [T_ptr(tydesc_type),
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T_ptr(T_i8()), T_i32()]),
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alloc_c_stack:
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d("alloc_c_stack", [size_t], T_ptr(T_i8())),
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call_shim_on_c_stack:
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d("call_shim_on_c_stack",
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// arguments: void *args, void *fn_ptr
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[T_ptr(T_i8()), T_ptr(T_i8())],
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int_t),
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call_shim_on_rust_stack:
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d("call_shim_on_rust_stack",
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[T_ptr(T_i8()), T_ptr(T_i8())], int_t),
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rust_personality:
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nothrow(d("rust_personality", [], T_i32())),
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reset_stack_limit:
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nothrow(dv("reset_stack_limit", []))
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};
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}
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//
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// Local Variables:
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// mode: rust
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// End:
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//
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