https://github.com/JuliaLang/julia
Tip revision: 06a49a392db85e1f55a1810669559389e8ecf37c authored by Simeon David Schaub on 25 April 2022, 12:30:31 UTC
improve error message for invalid function args
improve error message for invalid function args
Tip revision: 06a49a3
ccall.jl
# This file is a part of Julia. License is MIT: https://julialang.org/license
import Base.copy, Base.==
using Random
using InteractiveUtils: code_llvm
import Libdl
# for cfunction_closure
include("testenv.jl")
# for cfunction error
isdefined(Main, :MacroCalls) || @eval Main include("testhelpers/MacroCalls.jl")
using Main.MacroCalls
const libccalltest = "libccalltest"
const verbose = false
ccall((:set_verbose, libccalltest), Cvoid, (Int32,), verbose)
@eval function cvarargs()
strp = Ref{Ptr{Cchar}}(0)
fmt = "%3.1f"
len = ccall(:asprintf, Cint, (Ptr{Ptr{Cchar}}, Cstring, Cfloat...), strp, fmt, 0.1)
str = unsafe_string(strp[], len)
Libc.free(strp[])
return str
end
@test cvarargs() == "0.1"
# test multiple-type vararg handling (there's no syntax for this currently)
@eval function foreign_varargs()
strp = Ref{Ptr{Cchar}}(0)
fmt = "hi+%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f\n"
len = $(Expr(:foreigncall, :(:asprintf), Cint,
Core.svec(Ptr{Ptr{Cchar}}, Cstring,
UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8, UInt8,
Cfloat, Cfloat, Cfloat, Cfloat, Cfloat, Cfloat, Cfloat, Cfloat, Cfloat),
2, :(:cdecl),
:(Base.unsafe_convert(Ptr{Ptr{Cchar}}, strp)), :(Base.unsafe_convert(Cstring, fmt)),
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf,
Cfloat(1.1), Cfloat(2.2), Cfloat(3.3), Cfloat(4.4), Cfloat(5.5), Cfloat(6.6), Cfloat(7.7), Cfloat(8.8), Cfloat(9.9),
:strp, :fmt))
str = unsafe_string(strp[], len)
Libc.free(strp[])
return str
end
@test foreign_varargs() == "hi+1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-1.1-2.2-3.3-4.4-5.5-6.6-7.7-8.8-9.9\n"
# Test for proper argument register truncation
ccall_test_func(x) = ccall((:testUcharX, libccalltest), Int32, (UInt8,), x % UInt8)
@test ccall_test_func(3) == 1
@test ccall_test_func(259) == 1
# Test for proper round-trip of Ref{T} type
function gen_ccall_echo(x, T, U, ret=nothing)
# Construct a noninline function to do all the work, this is necessary
# to make sure object x is still valid (rooted as argument)
# when loading the pointer.
# This works as long as we still keep the argument
# rooted but might fail if we are smarter about eliminating dead root.
# `eval` in global scope to make sure the function is not a closure
func_ex = :(ccall((:test_echo_p, libccalltest), $T, ($U,), x))
# It is not allowed to allocate after the ccall returns
# and before calling `ret`.
if ret !== nothing
func_ex = :($ret($func_ex))
end
@gensym func_name
@eval @noinline $func_name(x) = $func_ex
:($func_name($(esc(x))))
end
macro ccall_echo_func(x, T, U)
gen_ccall_echo(x, T, U)
end
macro ccall_echo_load(x, T, U)
gen_ccall_echo(x, T, U, :unsafe_load)
end
macro ccall_echo_objref(x, T, U)
gen_ccall_echo(x, :(Ptr{$T}), U, :unsafe_pointer_to_objref)
end
mutable struct IntLike
x::Int
end
@test @ccall_echo_load(132, Ptr{Int}, Ref{Int}) === 132
@test @ccall_echo_load(Ref(921), Ptr{Int}, Ref{Int}) === 921
@test @ccall_echo_load(IntLike(993), Ptr{Int}, Ref{IntLike}) === 993
@test @ccall_echo_load(IntLike(881), Ptr{IntLike}, Ref{IntLike}).x === 881
@test @ccall_echo_func(532, Int, Int) === 532
if Sys.WORD_SIZE == 64
# this test is valid only for x86_64 and win64
@test @ccall_echo_func(164, IntLike, Int).x === 164
end
@test @ccall_echo_func(IntLike(828), Int, IntLike) === 828
@test @ccall_echo_func(913, Any, Any) === 913
@test @ccall_echo_objref(553, Ptr{Any}, Any) === 553
@test @ccall_echo_func(124, Ref{Int}, Any) === 124
@test @ccall_echo_load(422, Ptr{Any}, Ref{Any}) === 422
@test @ccall_echo_load([383], Ptr{Int}, Ref{Int}) === 383
@test @ccall_echo_load(Ref([144,172],2), Ptr{Int}, Ref{Int}) === 172
# @test @ccall_echo_load(Ref([8],1,1), Ptr{Int}, Ref{Int}) === 8
## Tests for passing and returning structs
let a, ci_ary, x
a = 20 + 51im
x = ccall((:ctest, libccalltest), Complex{Int}, (Complex{Int},), a)
@test x == a + 1 - 2im
ci_ary = [a] # Make sure the array is alive during unsafe_load
x = unsafe_load(ccall((:cptest, libccalltest), Ptr{Complex{Int}},
(Ptr{Complex{Int}},), ci_ary))
@test x == a + 1 - 2im
@test a == 20 + 51im
x = ccall((:cptest_static, libccalltest), Ptr{Complex{Int}}, (Ref{Complex{Int}},), a)
@test unsafe_load(x) == a
Libc.free(convert(Ptr{Cvoid}, x))
end
let a, b, x
a = 2.84 + 5.2im
x = ccall((:cgtest, libccalltest), ComplexF64, (ComplexF64,), a)
@test x == a + 1 - 2im
b = [a] # Make sure the array is alive during unsafe_load
x = unsafe_load(ccall((:cgptest, libccalltest), Ptr{ComplexF64}, (Ptr{ComplexF64},), b))
@test x == a + 1 - 2im
@test a == 2.84 + 5.2im
end
let a, b, x
a = 3.34f0 + 53.2f0im
x = ccall((:cftest, libccalltest), ComplexF32, (ComplexF32,), a)
@test x == a + 1 - 2im
b = [a] # Make sure the array is alive during unsafe_load
x = unsafe_load(ccall((:cfptest, libccalltest), Ptr{ComplexF32}, (Ptr{ComplexF32},), b))
@test x == a + 1 - 2im
@test a == 3.34f0 + 53.2f0im
end
## Tests for native Julia data types
let a
a = 2.84 + 5.2im
@test_throws MethodError ccall((:cptest, libccalltest), Ptr{Complex{Int}}, (Ptr{Complex{Int}},), a)
end
## Tests for various sized data types (ByVal)
mutable struct Struct1
x::Float32
y::Float64
end
struct Struct1I
x::Float32
y::Float64
end
copy(a::Struct1) = Struct1(a.x, a.y)
copy(a::Struct1I) = a
function test_struct1(::Type{Struct}) where {Struct}
a = Struct(352.39422f23, 19.287577)
b = Float32(123.456)
a2 = copy(a)
if Struct === Struct1
x = ccall((:test_1, libccalltest), Struct1, (Struct1, Float32), a2, b)
else
x = ccall((:test_1, libccalltest), Struct1I, (Struct1I, Float32), a2, b)
end
@test a2.x == a.x && a2.y == a.y
@test !(a2 === x)
@test x.x ≈ a.x + 1*b
@test x.y ≈ a.y - 2*b
end
test_struct1(Struct1)
test_struct1(Struct1I)
let a, b, x
a = Struct1(352.39422f23, 19.287577)
b = Float32(123.456)
a2 = copy(a)
x = ccall((:test_1long_a, libccalltest), Struct1, (Int, Int, Int, Struct1, Float32), 2, 3, 4, a2, b)
@test a2.x == a.x && a2.y == a.y
@test !(a2 === x)
@test x.x ≈ a.x + b + 9
@test x.y ≈ a.y - 2*b
x = ccall((:test_1long_b, libccalltest), Struct1, (Int, Float64, Int, Struct1, Float32), 2, 3, 4, a2, b)
@test a2.x == a.x && a2.y == a.y
@test !(a2 === x)
@test x.x ≈ a.x + b + 9
@test x.y ≈ a.y - 2*b
x = ccall((:test_1long_c, libccalltest), Struct1, (Int, Float64, Int, Int, Struct1, Float32), 2, 3, 4, 5, a2, b)
@test a2.x == a.x && a2.y == a.y
@test !(a2 === x)
@test x.x ≈ a.x + b + 14
@test x.y ≈ a.y - 2*b
end
let a, b, x, y
a = Complex{Int32}(Int32(10),Int32(31))
b = Int32(42)
x = ccall((:test_2a, libccalltest), Complex{Int32}, (Complex{Int32}, Int32), a, b)
y = ccall((:test_2b, libccalltest), Complex{Int32}, (Complex{Int32},Int32), a, b)
@test a == Complex{Int32}(Int32(10),Int32(31))
@test x == y
@test x == a + b*1 - b*2im
end
let a, b, x, y, z
a = Complex{Int64}(Int64(20),Int64(51))
b = Int64(42)
x = ccall((:test_3a, libccalltest), Complex{Int64}, (Complex{Int64}, Int64), a, b)
y = ccall((:test_3b, libccalltest), Complex{Int64}, (Complex{Int64}, Int64), a, b)
z = ccall((:test_128, libccalltest), Complex{Int64}, (Complex{Int64}, Int64), a, b)
@test a == Complex{Int64}(Int64(20),Int64(51))
@test x == y
@test x == a + b*1 - b*2im
@test z == a + 1*b
end
mutable struct Struct4
x::Int32
y::Int32
z::Int32
end
struct Struct4I
x::Int32
y::Int32
z::Int32
end
function test_struct4(::Type{Struct}) where {Struct}
a = Struct(-512275808,882558299,-2133022131)
b = Int32(42)
if Struct === Struct4
x = ccall((:test_4, libccalltest), Struct4, (Struct4, Int32), a, b)
else
x = ccall((:test_4, libccalltest), Struct4I, (Struct4I, Int32), a, b)
end
@test x.x == a.x+b*1
@test x.y == a.y-b*2
@test x.z == a.z+b*3
end
test_struct4(Struct4)
test_struct4(Struct4I)
mutable struct Struct5
x::Int32
y::Int32
z::Int32
a::Int32
end
struct Struct5I
x::Int32
y::Int32
z::Int32
a::Int32
end
function test_struct5(::Type{Struct}) where {Struct}
a = Struct(1771319039, 406394736, -1269509787, -745020976)
b = Int32(42)
if Struct === Struct5
x = ccall((:test_5, libccalltest), Struct5, (Struct5, Int32), a, b)
else
x = ccall((:test_5, libccalltest), Struct5I, (Struct5I, Int32), a, b)
end
@test x.x == a.x+b*1
@test x.y == a.y-b*2
@test x.z == a.z+b*3
@test x.a == a.a-b*4
end
test_struct5(Struct5)
test_struct5(Struct5I)
mutable struct Struct6
x::Int64
y::Int64
z::Int64
end
struct Struct6I
x::Int64
y::Int64
z::Int64
end
function test_struct6(::Type{Struct}) where {Struct}
a = Struct(-654017936452753226, -5573248801240918230, -983717165097205098)
b = Int64(42)
if Struct === Struct6
x = ccall((:test_6, libccalltest), Struct6, (Struct6, Int64), a, b)
else
x = ccall((:test_6, libccalltest), Struct6I, (Struct6I, Int64), a, b)
end
@test x.x == a.x+b*1
@test x.y == a.y-b*2
@test x.z == a.z+b*3
end
test_struct6(Struct6)
test_struct6(Struct6I)
mutable struct Struct7
x::Int64
y::Cchar
end
struct Struct7I
x::Int64
y::Cchar
end
function test_struct7(::Type{Struct}) where {Struct}
a = Struct(-384082741977533896, 'h')
b = Int8(42)
if Struct === Struct7
x = ccall((:test_7, libccalltest), Struct7, (Struct7, Int8), a, b)
else
x = ccall((:test_7, libccalltest), Struct7I, (Struct7I, Int8), a, b)
end
@test x.x == a.x+Int(b)*1
@test x.y == a.y-Int(b)*2
end
test_struct7(Struct7)
test_struct7(Struct7I)
mutable struct Struct8
x::Int32
y::Cchar
end
struct Struct8I
x::Int32
y::Cchar
end
function test_struct8(::Type{Struct}) where {Struct}
a = Struct(-384082896, 'h')
b = Int8(42)
if Struct === Struct8
r8 = ccall((:test_8, libccalltest), Struct8, (Struct8, Int8), a, b)
else
r8 = ccall((:test_8, libccalltest), Struct8I, (Struct8I, Int8), a, b)
end
@test r8.x == a.x+b*1
@test r8.y == a.y-b*2
end
test_struct8(Struct8)
test_struct8(Struct8I)
mutable struct Struct9
x::Int32
y::Int16
end
struct Struct9I
x::Int32
y::Int16
end
function test_struct9(::Type{Struct}) where {Struct}
a = Struct(-394092996, -3840)
b = Int16(42)
if Struct === Struct9
x = ccall((:test_9, libccalltest), Struct9, (Struct9, Int16), a, b)
else
x = ccall((:test_9, libccalltest), Struct9I, (Struct9I, Int16), a, b)
end
@test x.x == a.x+b*1
@test x.y == a.y-b*2
end
test_struct9(Struct9)
test_struct9(Struct9I)
mutable struct Struct10
x::Cchar
y::Cchar
z::Cchar
a::Cchar
end
struct Struct10I
x::Cchar
y::Cchar
z::Cchar
a::Cchar
end
function test_struct10(::Type{Struct}) where {Struct}
a = Struct('0', '1', '2', '3')
b = Int8(2)
if Struct === Struct10
x = ccall((:test_10, libccalltest), Struct10, (Struct10, Int8), a, b)
else
x = ccall((:test_10, libccalltest), Struct10I, (Struct10I, Int8), a, b)
end
@test x.x == a.x+b*1
@test x.y == a.y-b*2
@test x.z == a.z+b*3
@test x.a == a.a-b*4
end
test_struct10(Struct10)
test_struct10(Struct10I)
mutable struct Struct11
x::ComplexF32
end
struct Struct11I
x::ComplexF32
end
function test_struct11(::Type{Struct}) where {Struct}
a = Struct(0.8877077f0 + 0.4591081f0im)
b = Float32(42)
if Struct === Struct11
x = ccall((:test_11, libccalltest), Struct11, (Struct11, Float32), a, b)
else
x = ccall((:test_11, libccalltest), Struct11I, (Struct11I, Float32), a, b)
end
@test x.x ≈ a.x + b*1 - b*2im
end
test_struct11(Struct11)
test_struct11(Struct11I)
mutable struct Struct12
x::ComplexF32
y::ComplexF32
end
struct Struct12I
x::ComplexF32
y::ComplexF32
end
function test_struct12(::Type{Struct}) where {Struct}
a = Struct(0.8877077f5 + 0.4591081f2im, 0.0004842868f0 - 6982.3265f3im)
b = Float32(42)
if Struct === Struct12
x = ccall((:test_12, libccalltest), Struct12, (Struct12, Float32), a, b)
else
x = ccall((:test_12, libccalltest), Struct12I, (Struct12I, Float32), a, b)
end
@test x.x ≈ a.x + b*1 - b*2im
@test x.y ≈ a.y + b*3 - b*4im
end
test_struct12(Struct12)
test_struct12(Struct12I)
mutable struct Struct13
x::ComplexF64
end
struct Struct13I
x::ComplexF64
end
function test_struct13(::Type{Struct}) where {Struct}
a = Struct(42968.97560380495 - 803.0576845153616im)
b = Float64(42)
if Struct === Struct13
x = ccall((:test_13, libccalltest), Struct13, (Struct13, Float64), a, b)
else
x = ccall((:test_13, libccalltest), Struct13I, (Struct13I, Float64), a, b)
end
@test x.x ≈ a.x + b*1 - b*2im
end
test_struct13(Struct13)
test_struct13(Struct13I)
mutable struct Struct14
x::Float32
y::Float32
end
struct Struct14I
x::Float32
y::Float32
end
function test_struct14(::Type{Struct}) where {Struct}
a = Struct(0.024138331f0, 0.89759064f32)
b = Float32(42)
if Struct === Struct14
x = ccall((:test_14, libccalltest), Struct14, (Struct14, Float32), a, b)
else
x = ccall((:test_14, libccalltest), Struct14I, (Struct14I, Float32), a, b)
end
@test x.x ≈ a.x + b*1
@test x.y ≈ a.y - b*2
end
test_struct14(Struct14)
test_struct14(Struct14I)
mutable struct Struct15
x::Float64
y::Float64
end
struct Struct15I
x::Float64
y::Float64
end
function test_struct15(::Type{Struct}) where {Struct}
a = Struct(4.180997967273657, -0.404218594294923)
b = Float64(42)
if Struct === Struct15
x = ccall((:test_15, libccalltest), Struct15, (Struct15, Float64), a, b)
else
x = ccall((:test_15, libccalltest), Struct15I, (Struct15I, Float64), a, b)
end
@test x.x ≈ a.x + b*1
@test x.y ≈ a.y - b*2
end
test_struct15(Struct15)
test_struct15(Struct15I)
mutable struct Struct16
x::Float32
y::Float32
z::Float32
a::Float64
b::Float64
c::Float64
end
struct Struct16I
x::Float32
y::Float32
z::Float32
a::Float64
b::Float64
c::Float64
end
function test_struct16(::Type{Struct}, quoteplz = false) where {Struct}
a = Struct(0.1604656f0, 0.6297606f0, 0.83588994f0,
0.6460273620993535, 0.9472692581106656, 0.47328535437352093)
b = Float32(42)
if Struct === Struct16
x = ccall((:test_16, libccalltest), Struct16, (Struct16, Float32), a, b)
else
if quoteplz
x = eval(:(ccall((:test_16, libccalltest), Struct16I, (Struct16I, Float32), $(QuoteNode(a)), Float32(42))))
else
x = ccall((:test_16, libccalltest), Struct16I, (Struct16I, Float32), a, b)
end
end
@test x.x ≈ a.x + b*1
@test x.y ≈ a.y - b*2
@test x.z ≈ a.z + b*3
@test x.a ≈ a.a - b*4
@test x.b ≈ a.b + b*5
@test x.c ≈ a.c - b*6
end
test_struct16(Struct16, false)
test_struct16(Struct16I, false)
test_struct16(Struct16I, true)
mutable struct Struct17
a::Int8
b::Int16
end
struct Struct17I
a::Int8
b::Int16
end
function test_struct17(::Type{Struct}) where {Struct}
a = Struct(2, 10)
b = Int8(2)
if Struct === Struct17
x = ccall((:test_17, libccalltest), Struct17, (Struct17, Int8), a, b)
else
x = ccall((:test_17, libccalltest), Struct17I, (Struct17I, Int8), a, b)
end
@test x.a == a.a + b * 1
@test x.b == a.b - b * 2
end
test_struct17(Struct17)
test_struct17(Struct17I)
mutable struct Struct18
a::Int8
b::Int8
c::Int8
end
struct Struct18I
a::Int8
b::Int8
c::Int8
end
function test_struct18(::Type{Struct}) where {Struct}
a = Struct(2, 10, -3)
b = Int8(2)
if Struct === Struct18
x = ccall((:test_18, libccalltest), Struct18, (Struct18, Int8), a, b)
else
x = ccall((:test_18, libccalltest), Struct18I, (Struct18I, Int8), a, b)
end
@test x.a == a.a + b * 1
@test x.b == a.b - b * 2
@test x.c == a.c + b * 3
end
test_struct18(Struct18)
test_struct18(Struct18I)
let a, b, x
a = Int128(0x7f00123456789abc)<<64 + typemax(UInt64)
b = Int64(1)
x = ccall((:test_128, libccalltest), Int128, (Int128, Int64), a, b)
@test x == a + b*1
@test a == Int128(0x7f00123456789abc)<<64 + typemax(UInt64)
end
mutable struct Struct_Big
x::Int
y::Int
z::Int8
end
struct Struct_BigI
x::Int
y::Int
z::Int8
end
copy(a::Struct_Big) = Struct_Big(a.x, a.y, a.z)
copy(a::Struct_BigI) = a
function test_struct_big(::Type{Struct}) where {Struct}
a = Struct(424,-5,Int8('Z'))
a2 = copy(a)
if Struct == Struct_Big
x = ccall((:test_big, libccalltest), Struct_Big, (Struct_Big,), a2)
else
x = ccall((:test_big, libccalltest), Struct_BigI, (Struct_BigI,), a2)
end
@test a2.x == a.x && a2.y == a.y && a2.z == a.z
@test x.x == a.x + 1
@test x.y == a.y - 2
@test x.z == a.z - Int('A')
end
test_struct_big(Struct_Big)
test_struct_big(Struct_BigI)
let a, a2, x
a = Struct_Big(424,-5,Int8('Z'))
a2 = copy(a)
x = ccall((:test_big_long, libccalltest), Struct_Big, (Int, Int, Int, Struct_Big,), 2, 3, 4, a2)
@test a2.x == a.x && a2.y == a.y && a2.z == a.z
@test x.x == a.x + 10
@test x.y == a.y - 2
@test x.z == a.z - Int('A')
end
const Struct_huge1a = NTuple{8, Int64}
const Struct_huge1b = NTuple{9, Int64}
const Struct_huge2a = NTuple{8, Cdouble}
const Struct_huge2b = NTuple{9, Cdouble}
mutable struct Struct_huge3a
cf::NTuple{3, Complex{Cfloat}}
f7::Cfloat
f8::Cfloat
end
mutable struct Struct_huge3b
cf::NTuple{7, Complex{Cfloat}}
r8a::Cfloat
r8b::Cfloat
end
mutable struct Struct_huge3c
cf::NTuple{7, Complex{Cfloat}}
r8a::Cfloat
r8b::Cfloat
r9::Cfloat
end
mutable struct Struct_huge4a
r12::Complex{Cdouble}
r34::Complex{Cdouble}
r5::Complex{Cfloat}
r67::Complex{Cdouble}
r8::Cdouble
end
mutable struct Struct_huge4b
r12::Complex{Cdouble}
r34::Complex{Cdouble}
r5::Complex{Cfloat}
r67::Complex{Cdouble}
r89::Complex{Cdouble}
end
const Struct_huge5a = NTuple{8, Complex{Cint}}
const Struct_huge5b = NTuple{9, Complex{Cint}}
function verify_huge(init, a, b)
@test typeof(init) === typeof(a) === typeof(b)
verbose && @show (a, b)
# make sure a was unmodified
for i = 1:nfields(a)
@test getfield(init, i) === getfield(a, i)
end
# make sure b was modified as expected
a1, b1 = getfield(a, 1), getfield(b, 1)
while isa(a1, Tuple)
@test a1[2:end] === b1[2:end]
a1 = a1[1]
b1 = b1[1]
end
if isa(a1, VecElement)
a1 = a1.value
b1 = b1.value
end
@test oftype(a1, a1 * 39) === b1
for i = 2:nfields(a)
@test getfield(a, i) === getfield(b, i)
end
end
macro test_huge(i, b, init)
f = QuoteNode(Symbol("test_huge", i, b))
ty = Symbol("Struct_huge", i, b)
return quote
let a = $ty($(esc(init))...), f
f(b) = ccall(($f, libccalltest), $ty, (Cchar, $ty, Cchar), '0' + $i, a, $b[1])
#code_llvm(f, typeof((a,)))
verify_huge($ty($(esc(init))...), a, f(a))
end
end
end
@test_huge 1 'a' ((1, 2, 3, 4, 5, 6, 7, 8),)
@test_huge 1 'b' ((1, 2, 3, 4, 5, 6, 7, 8, 9),)
@test_huge 2 'a' ((1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0),)
@test_huge 2 'b' ((1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0),)
@test_huge 3 'a' ((1.0 + 2.0im, 3.0 + 4.0im, 5.0 + 6.0im), 7.0, 8.0)
@test_huge 3 'b' ((1.0 + 2.0im, 3.0 + 4.0im, 5.0 + 6.0im, 7.0 + 8.0im, 9.0 + 10.0im, 11.0 + 12.0im, 13.0 + 14.0im), 7.0, 8.0)
@test_huge 3 'c' ((1.0 + 2.0im, 3.0 + 4.0im, 5.0 + 6.0im, 7.0 + 8.0im, 9.0 + 10.0im, 11.0 + 12.0im, 13.0 + 14.0im), 7.0, 8.0, 9.0)
@test_huge 4 'a' (1.0 + 2.0im, 3.0 + 4.0im, 5.0f0 + 6.0f0im, 7.0 + 8.0im, 9.0)
@test_huge 4 'b' (1.0 + 2.0im, 3.0 + 4.0im, 5.0f0 + 6.0f0im, 7.0 + 8.0im, 9.0 + 10.0im)
@test_huge 5 'a' ((1 + 2im, 3 + 4im, 5 + 6im, 7 + 8im, 9 + 10im, 11 + 12im, 13 + 14im, 15 + 16im),)
@test_huge 5 'b' ((1 + 2im, 3 + 4im, 5 + 6im, 7 + 8im, 9 + 10im, 11 + 12im, 13 + 14im, 15 + 16im, 17 + 17im),)
## cfunction roundtrip
verbose && Libc.flush_cstdio()
if cfunction_closure
verbose && println("Testing cfunction closures: ")
# helper Type for testing that constructors work
# with cfucntion and that object identity is preserved
mutable struct IdentityTestKV{K, V}
(T::Type{<:IdentityTestKV})(S) = (@test T === S; T)
end
@noinline function testclosure(f, a::T, permanent::Bool=false, tt::Type{S}=Any) where {T, S}
@nospecialize(f, a, tt)
# generic API 1
cf = @cfunction $f Ref{T} (Ref{T},)
GC.gc()
@test cf.ptr != C_NULL
@test cf.f === f
@test (cf._1 == C_NULL) == permanent
@test (cf._2 == C_NULL) == permanent
@assert cf === Base.cconvert(Ptr{Cvoid}, cf)
GC.@preserve cf begin
fptr = Base.unsafe_convert(Ptr{Cvoid}, cf)
b = ccall(fptr, Ref{T}, (Ref{T},), a)
end
# generic API 2
cf2 = @cfunction $f Any (Ref{S},)
GC.gc()
@test cf2.ptr != C_NULL
@test cf2.f === f
@test (cf2._1 == C_NULL) == permanent
@test (cf2._2 == C_NULL) == permanent
@assert cf2 === Base.cconvert(Ptr{Cvoid}, cf2)
GC.@preserve cf2 begin
fptr = Base.unsafe_convert(Ptr{Cvoid}, cf2)
b = ccall(fptr, Any, (Ref{S},), a)
end
return b
end
# We can't (currently) execute some of these signatures (without compile-all),
# but we can at least look at some of the generated code
function check_code_trampoline(f, t, n::Int)
@nospecialize(f, t)
@test Base.return_types(f, t) == Any[Any]
llvm = sprint(code_llvm, f, t)
@test count(Returns(true), eachmatch(r"@jl_get_cfunction_trampoline\(", llvm)) == n
end
check_code_trampoline(testclosure, (Any, Any, Bool, Type), 2)
check_code_trampoline(testclosure, (Any, Int, Bool, Type{Int}), 2)
check_code_trampoline(testclosure, (Any, String, Bool, Type{String}), 2)
check_code_trampoline(testclosure, (typeof(identity), Any, Bool, Type), 2)
check_code_trampoline(testclosure, (typeof(identity), Int, Bool, Type{Int}), 0)
check_code_trampoline(testclosure, (typeof(identity), String, Bool, Type{String}), 0)
function g(i)
x = -332210 + i
y = "foo"
a(z) = x
b(z) = y
c(z) = (y = z)
IdentityTestVK{V, K} = IdentityTestKV{K, V}
@test IdentityTestVK !== IdentityTestKV
@test IdentityTestVK == IdentityTestKV
for _ = 1:5
@test testclosure(a, 23) == -332210 + i
@test testclosure(b, "bar") == "foo"
@test testclosure(c, "bar") == "bar"
@test testclosure(b, "foo") == "bar"
@test testclosure(c, "foo") == "foo"
@test testclosure(identity, IdentityTestKV, true) === IdentityTestKV
@test testclosure(identity, IdentityTestVK, true) === IdentityTestVK
@test testclosure(IdentityTestKV, IdentityTestKV, true) === IdentityTestKV
@test testclosure(IdentityTestVK, IdentityTestVK, false) === IdentityTestVK
end
end
g(1)
g(2)
g(3)
verbose && println("Testing cfunction roundtrip: ")
cf64 = 2.84+5.2im
cf32 = 3.34f0+53.2f0im
ci32 = Complex{Int32}(Int32(10), Int32(31))
ci64 = Complex{Int64}(Int64(20), Int64(51))
s1 = Struct1(352.39422f23, 19.287577)
==(a::Struct1, b::Struct1) = (a.x == b.x && a.y == b.y)
for (t, v) in ((Complex{Int32}, :ci32), (Complex{Int64}, :ci64),
(ComplexF32, :cf32), (ComplexF64, :cf64), (Struct1, :s1))
fname = Symbol("foo", v)
fname1 = Symbol("foo1", v)
a = copy(@eval $v)
verbose && println(t)
verbose && println("A: ", a)
@eval begin
global function $fname1(s::$t)
verbose && println("B: ", s)
@test s == $v
@test s === $a
global c = s
return s
end
global function $fname1(s)
@assert false
end
global function $fname(s::$t)
verbose && println("B: ", s)
@test s == $v
if ismutable(s)
@test !(s === $a)
end
global c = s
return s
end
global function $fname(s)
@assert false
end
end
@eval let a = $a, b
b = testclosure($fname1, a, true)
verbose && println("C: ", b)
@test b == $v
@test b === a
@test b === c
let cf = @cfunction($fname1, Ref{$t}, (Ref{$t},))
b = ccall(cf, Ref{$t}, (Ref{$t},), a)
verbose && println("C: ", b)
@test b == $v
@test b === a
@test b === c
end
let cf = @cfunction($fname, $t, ($t,))
b = ccall(cf, $t, ($t,), a)
verbose && println("C: ",b)
@test b == $v
if ismutable($v)
@test !(b === c)
@test !(b === a)
end
end
let cf = @cfunction($fname1, $t, (Ref{$t},))
b = ccall(cf, $t, (Ref{$t},), a)
verbose && println("C: ",b)
@test b == $v
if ismutable($v)
@test !(b === c)
@test !(b === a)
end
end
let cf = @cfunction($fname, Ref{$t}, ($t,))
b = ccall(cf, Ref{$t}, ($t,), a)
verbose && println("C: ",b)
@test b == $v
@test b === c
if ismutable($v)
@test !(b === a)
end
end
let cf = @cfunction($fname, Any, (Ref{$t},))
b = ccall(cf, Any, (Ref{$t},), $v)
verbose && println("C: ",b)
@test b == $v
@test b === c
if ismutable($v)
@test !(b === a)
end
end
let cf = @cfunction($fname, Any, (Ref{Any},))
b = ccall(cf, Any, (Ref{Any},), $v)
@test b == $v
@test b === c
if ismutable($v)
@test !(b === a)
end
end
a isa Complex && let cf = @cfunction($fname, Ref{Complex}, (Ref{Any},))
b = ccall(cf, Ref{Complex}, (Ref{Any},), $v)
@test b == $v
@test b === c
if ismutable($v)
@test !(b === a)
end
end
let cf = @cfunction($fname, Ref{AbstractString}, (Ref{Any},))
@test_throws TypeError ccall(cf, Any, (Ref{Any},), $v)
end
let cf = @cfunction($fname, Ref{Ptr}, (Ref{Any},))
@test_throws TypeError ccall(cf, Any, (Ref{Any},), $v)
end
let cf = @cfunction($fname, Ref{Complex{UInt32}}, (Ref{Any},))
@test_throws TypeError ccall(cf, Any, (Ref{Any},), $v)
end
if a isa Complex
local mkcb(::Type{T}) where {T} = @cfunction($fname, Ref{Complex{T}}, (Ref{Any},))
@test ccall(mkcb(typeof(a.re)), Any, (Ref{Any},), $v) === $v
end
#FIXME: @test_throws TypeError ccall(mkcb(UInt32), Any, (Ref{Any},), $v)
end
end
#issue 40164
@testset "llvm parameter attributes on cfunction closures" begin
struct Struct40164
x::Cdouble
y::Cdouble
z::Cdouble
end
function test_40164()
ret = Struct40164[]
f = x::Struct40164 -> (push!(ret, x); nothing)
f_c = @cfunction($f, Cvoid, (Struct40164,))
ccall(f_c.ptr, Ptr{Cvoid}, (Struct40164,), Struct40164(0, 1, 2))
ret
end
@test test_40164() == [Struct40164(0, 1, 2)]
end
else
@test_broken "cfunction: no support for closures on this platform"
end
# issue 13031
foo13031(x) = Cint(1)
foo13031p = @cfunction(foo13031, Cint, (Ref{Tuple{}},))
ccall(foo13031p, Cint, (Ref{Tuple{}},), ())
foo13031(x,y,z) = z
foo13031p = @cfunction(foo13031, Cint, (Ref{Tuple{}}, Ref{Tuple{}}, Cint))
ccall(foo13031p, Cint, (Ref{Tuple{}},Ref{Tuple{}},Cint), (), (), 8)
# issue 26078
unstable26078(x) = x > 0 ? x : "foo"
handle26078 = @cfunction(unstable26078, Int32, (Int32,))
@test ccall(handle26078, Int32, (Int32,), 1) == 1
# issue #39804
let f = @cfunction(Base.last, String, (Tuple{Int,String},))
# String inside a struct is a pointer even though String.size == 0
@test ccall(f, Ref{String}, (Tuple{Int,String},), (1, "a string?")) === "a string?"
end
# issue 17219
function ccall_reassigned_ptr(ptr::Ptr{Cvoid})
ptr = Libdl.dlsym(Libdl.dlopen(libccalltest), "test_echo_p")
ccall(ptr, Any, (Any,), "foo")
end
@test ccall_reassigned_ptr(C_NULL) == "foo"
# @threadcall functionality
threadcall_test_func(x) =
@threadcall((:testUcharX, libccalltest), Int32, (UInt8,), x % UInt8)
@test threadcall_test_func(3) == 1
@test threadcall_test_func(259) == 1
# issue 17819
# NOTE: can't use cfunction or reuse ccalltest Struct methods, as those call into the runtime
@test @threadcall((:threadcall_args, libccalltest), Cint, (Cint, Cint), 1, 2) == 3
let n=3
tids = Culong[]
@sync for i in 1:10^n
@async push!(tids, @threadcall(:uv_thread_self, Culong, ()))
end
# The work should not be done on the master thread
t0 = ccall(:uv_thread_self, Culong, ())
@test length(tids) == 10^n
for t in tids
@test t != t0
end
end
@test ccall(:jl_getpagesize, Clong, ()) == @threadcall(:jl_getpagesize, Clong, ())
# make sure our malloc/realloc/free adapters are thread-safe and repeatable
for i = 1:8
ptr = @threadcall(:jl_malloc, Ptr{Cint}, (Csize_t,), sizeof(Cint))
@test ptr != C_NULL
unsafe_store!(ptr, 3)
@test unsafe_load(ptr) == 3
ptr = @threadcall(:jl_realloc, Ptr{Cint}, (Ptr{Cint}, Csize_t,), ptr, 2 * sizeof(Cint))
@test ptr != C_NULL
unsafe_store!(ptr, 4, 2)
@test unsafe_load(ptr, 1) == 3
@test unsafe_load(ptr, 2) == 4
@threadcall(:jl_free, Cvoid, (Ptr{Cint},), ptr)
end
# Pointer finalizer (issue #15408)
let A = [1]
ccall((:set_c_int, libccalltest), Cvoid, (Cint,), 1)
@test ccall((:get_c_int, libccalltest), Cint, ()) == 1
finalizer(cglobal((:finalizer_cptr, libccalltest), Cvoid), A)
finalize(A)
@test ccall((:get_c_int, libccalltest), Cint, ()) == -1
end
# Pointer finalizer at exit (PR #19911)
let result = read(`$(Base.julia_cmd()) --startup-file=no -e "A = Ref{Cint}(42); finalizer(cglobal((:c_exit_finalizer, \"$libccalltest\"), Cvoid), A)"`, String)
@test result == "c_exit_finalizer: 42, 0"
end
# SIMD Registers
const VecReg{N,T} = NTuple{N,VecElement{T}}
const V2xF32 = VecReg{2,Float32}
const V4xF32 = VecReg{4,Float32}
const V2xF64 = VecReg{2,Float64}
const V2xI32 = VecReg{2,Int32}
const V4xI32 = VecReg{4,Int32}
struct Struct_AA64_1
v1::Int32
v2::Int128
end
struct Struct_AA64_2
v1::Float16
v2::Float64
end
# This is a homogenious short vector aggregate
struct Struct_AA64_3
v1::VecReg{8,Int8}
v2::VecReg{2,Float32}
end
# This is NOT a homogenious short vector aggregate
struct Struct_AA64_4
v2::VecReg{2,Float32}
v1::VecReg{8,Int16}
end
mutable struct Struct_huge1_ppc64
m::Int64
v::V4xF32
end
mutable struct Struct_huge2_ppc64
v1::V4xF32
v2::V2xI32
end
mutable struct Struct_huge3_ppc64
v1::V4xF32
f::NTuple{4,Float32}
end
mutable struct Struct_huge4_ppc64
v1::V2xF32
v2::V2xF64
end
mutable struct Struct_huge5_ppc64
v1::NTuple{9,V4xF32}
end
mutable struct Struct_huge6_ppc64
v1::NTuple{8,V4xF32}
v2::V4xF32
end
mutable struct Struct_huge7_ppc64
v1::VecReg{3,Int32}
v2::VecReg{3,Int32}
end
mutable struct Struct_huge1_ppc64_hva
v1::NTuple{8,V4xF32}
end
mutable struct Struct_huge2_ppc64_hva
v1::NTuple{2,NTuple{2,V4xF32}}
end
mutable struct Struct_huge3_ppc64_hva
vf1::V4xF32
vf2::Tuple{NTuple{2,V4xF32}}
end
mutable struct Struct_huge4_ppc64_hva
v1::V4xI32
v2::V4xF32
end
mutable struct Struct_huge5_ppc64_hva
v1::V4xI32
v2::V2xF64
end
if Sys.ARCH === :x86_64
function test_sse(a1::V4xF32, a2::V4xF32, a3::V4xF32, a4::V4xF32)
ccall((:test_m128, libccalltest), V4xF32, (V4xF32, V4xF32, V4xF32, V4xF32), a1, a2, a3, a4)
end
function test_sse(a1::V4xI32, a2::V4xI32, a3::V4xI32, a4::V4xI32)
ccall((:test_m128i, libccalltest), V4xI32, (V4xI32, V4xI32, V4xI32, V4xI32), a1, a2, a3, a4)
end
foo_ams(a1, a2, a3, a4) = VecReg(ntuple(i -> VecElement(a1[i].value + a2[i].value * (a3[i].value - a4[i].value)), 4))
for s in [Float32, Int32]
T = NTuple{4, VecElement{s}}
@eval function rt_sse(a1::$T, a2::$T, a3::$T, a4::$T)
return ccall(
@cfunction(foo_ams, $T, ($T, $T, $T, $T)),
$T, ($T, $T, $T, $T),
a1, a2, a3, a4)
end
a1 = VecReg(ntuple(i -> VecElement(s(1i)), 4))
a2 = VecReg(ntuple(i -> VecElement(s(2i)), 4))
a3 = VecReg(ntuple(i -> VecElement(s(3i)), 4))
a4 = VecReg(ntuple(i -> VecElement(s(4i)), 4))
r = VecReg(ntuple(i -> VecElement(s(1i + 2i * (3i - 4i))), 4))
@test test_sse(a1, a2, a3, a4) == r
# cfunction round-trip
@test rt_sse(a1, a2, a3, a4) == r
end
elseif Sys.ARCH === :aarch64
for v1 in 1:99:1000, v2 in -100:-1999:-20000
@test ccall((:test_aa64_i128_1, libccalltest), Int128,
(Int64, Int128), v1, v2) == v1 * 2 - v2
end
for v1 in 1:4, v2 in -4:-1, v3_1 in 3:5, v3_2 in 7:9
res = ccall((:test_aa64_i128_2, libccalltest), Struct_AA64_1,
(Int64, Int128, Struct_AA64_1),
v1, v2, Struct_AA64_1(v3_1, v3_2))
expected = Struct_AA64_1(v1 ÷ 2 + 1 - v3_1, v2 * 2 - 1 - v3_2)
@test res === expected
end
for v1 in 1:4, v2 in -4:-1, v3 in 3:5, v4 in -(1:3)
res = ccall((:test_aa64_fp16_1, libccalltest), Float16,
(Cint, Float32, Float64, Float16),
v1, v2, v3, v4)
expected = Float16(v1 + v2 * 2 + v3 * 3 + v4 * 4)
@test res === expected
res = ccall((:test_aa64_fp16_2, libccalltest), Struct_AA64_2,
(Cint, Float32, Float64, Float16),
v1, v2, v3, v4)
expected = Struct_AA64_2(v4 / 2 + 1, v1 * 2 + v2 * 4 - v3)
@test res === expected
end
for v1_1 in 1:4, v1_2 in -2:2, v2 in -4:-1, v3_1 in 3:5, v3_2 in 6:8
res = ccall((:test_aa64_vec_1, libccalltest),
VecReg{2,Int64},
(VecReg{2,Int32}, Float32, VecReg{2,Int32}),
(VecElement(Int32(v1_1)), VecElement(Int32(v1_2))),
v2, (VecElement(Int32(v3_1)), VecElement(Int32(v3_2))))
expected = (VecElement(v1_1 * v2 + v3_1), VecElement(v1_2 * v2 + v3_2))
@test res === expected
end
for v1_11 in 1:4, v1_12 in -2:2, v1_21 in 1:4, v1_22 in -2:2,
v2_11 in 1:4, v2_12 in -2:2, v2_21 in 1:4, v2_22 in -2:2
v1 = Struct_AA64_3((VecElement(Int8(v1_11)), VecElement(Int8(v1_12)),
VecElement(Int8(0)), VecElement(Int8(0)),
VecElement(Int8(0)), VecElement(Int8(0)),
VecElement(Int8(0)), VecElement(Int8(0))),
(VecElement(Float32(v1_21)),
VecElement(Float32(v1_22))))
v2 = Struct_AA64_4((VecElement(Float32(v2_21)),
VecElement(Float32(v2_22))),
(VecElement(Int16(v2_11)), VecElement(Int16(v2_12)),
VecElement(Int16(0)), VecElement(Int16(0)),
VecElement(Int16(0)), VecElement(Int16(0)),
VecElement(Int16(0)), VecElement(Int16(0))))
res = ccall((:test_aa64_vec_2, libccalltest),
Struct_AA64_3, (Struct_AA64_3, Struct_AA64_4), v1, v2)
expected = Struct_AA64_3((VecElement(Int8(v1_11 + v2_11)),
VecElement(Int8(v1_12 + v2_12)),
VecElement(Int8(0)), VecElement(Int8(0)),
VecElement(Int8(0)), VecElement(Int8(0)),
VecElement(Int8(0)), VecElement(Int8(0))),
(VecElement(Float32(v1_21 - v2_21)),
VecElement(Float32(v1_22 - v2_22))))
@test res === expected
end
elseif Sys.ARCH === :powerpc64le || Sys.ARCH === :ppc64le
@test_huge 1 "_ppc64" (1, (2.0, 3.0, 4.0, 5.0),)
@test_huge 2 "_ppc64" ((1.0, 2.0, 3.0, 4.0), (11, 12))
@test_huge 3 "_ppc64" ((1, 2, 3, 4), (11.0, 12.0, 13.0, 14.0))
@test_huge 4 "_ppc64" ((1, 2), (11.0, 12.0))
@test_huge 5 "_ppc64" ((((1.0, 2.0, 3.0, 4.0),
(5.0, 6.0, 7.0, 8.0),
(11.0, 12.0, 13.0, 14.0),
(15.0, 16.0, 17.0, 18.0),
(21.0, 22.0, 23.0, 24.0),
(25.0, 26.0, 27.0, 28.0),
(31.0, 32.0, 33.0, 34.0),
(35.0, 36.0, 37.0, 38.0),
(41.0, 42.0, 43.0, 44.0)),))
@test_huge 6 "_ppc64" ((((1.0, 2.0, 3.0, 4.0),
(5.0, 6.0, 7.0, 8.0),
(11.0, 12.0, 13.0, 14.0),
(15.0, 16.0, 17.0, 18.0),
(21.0, 22.0, 23.0, 24.0),
(25.0, 26.0, 27.0, 28.0),
(31.0, 32.0, 33.0, 34.0),
(35.0, 36.0, 37.0, 38.0)),
(41.0, 42.0, 43.0, 44.0)))
@test_huge 1 "_ppc64_hva" ((((1.0, 2.0, 3.0, 4.0),
(5.0, 6.0, 7.0, 8.0),
(11.0, 12.0, 13.0, 14.0),
(15.0, 16.0, 17.0, 18.0),
(21.0, 22.0, 23.0, 24.0),
(25.0, 26.0, 27.0, 28.0),
(31.0, 32.0, 33.0, 34.0),
(35.0, 36.0, 37.0, 38.0)),))
@test_huge 2 "_ppc64_hva" (((((1.0, 2.0, 3.0, 4.0),
(5.0, 6.0, 7.0, 8.0)),
((11.0, 12.0, 13.0, 14.0),
(15.0, 16.0, 17.0, 18.0))),))
@test_huge 3 "_ppc64_hva" (((1.0, 2.0, 3.0, 4.0),
(((11.0, 12.0, 13.0, 14.0),
(15.0, 16.0, 17.0, 18.0)),)))
@test_huge 4 "_ppc64_hva" (((1, 2, 3, 4),
(11.0, 12.0, 13.0, 14.0)))
@test_huge 5 "_ppc64_hva" (((1, 2, 3, 4),
(11.0, 12.0)))
@test 18451 == ccall((:test_ppc64_vec1long, libccalltest), Int64,
(Int64, Int64, Int64, Int64, Int64, Int64, Int64, Int64, Int64, Struct_huge1_ppc64),
1, 2, 3, 4, 5, 6, 7, 8, 9, Struct_huge1_ppc64(18000, (100, 101, 102, 103)))
@test 941 == ccall((:test_ppc64_vec1long_vec, libccalltest), Int64,
(Int64, Int64, Int64, Int64, Int64, Int64, Int64, Int64, Int64, V4xF32),
11, 12, 13, 14, 15, 16, 17, 18, 19, (200, 201, 202, 203))
@test V4xF32((614232, 614218, 614204, 614190)) ==
ccall((:test_ppc64_vec2, libccalltest), V4xF32,
(Int64, V4xF32, V4xF32, V4xF32, V4xF32,
V4xF32, V4xF32, V4xF32, V4xF32, V4xF32,
V4xF32, V4xF32, V4xF32, V4xF32, V4xF32),
600000, (4, 3, 2, 1), (5, 4, 3, 2), (6, 5, 4, 3), (7, 6, 5, 4),
(14, 13, 12, 11), (15, 14, 13, 12), (16, 15, 14, 13), (17, 16, 15, 14), (18, 17, 16, 15),
(1024, 1023, 1022, 1021), (1025, 1024, 1023, 1022), (1026, 1025, 1024, 1023), (1027, 1026, 1025, 1024), (10028, 10027, 10026, 10025))
elseif Sys.ARCH !== :i686 && Sys.ARCH !== :arm # TODO
@warn "ccall: no VecReg tests run for this platform"
end
# Special calling convention for `Array`
function f17204(a)
b = similar(a)
for i in eachindex(a)
b[i] = a[i] + 10
end
return b
end
@test ccall(@cfunction(f17204, Vector{Any}, (Vector{Any},)),
Vector{Any}, (Vector{Any},), Any[1:10;]) == Any[11:20;]
# This used to trigger incorrect ccall callee inlining.
# Not sure if there's a more reliable way to test this.
# Do not put these in a function.
@noinline g17413() = rand()
@inline f17413() = (g17413(); g17413())
ccall((:test_echo_p, libccalltest), Ptr{Cvoid}, (Any,), f17413())
for i in 1:3
ccall((:test_echo_p, libccalltest), Ptr{Cvoid}, (Any,), f17413())
end
let r = Ref{Any}(10)
@GC.preserve r begin
pa = Base.unsafe_convert(Ptr{Any}, r) # pointer to value
pv = Base.unsafe_convert(Ptr{Cvoid}, r) # pointer to data
@test Ptr{Cvoid}(pa) != pv
@test unsafe_load(pa) === 10
@test unsafe_load(Ptr{Ptr{Cvoid}}(pa)) === pv
@test unsafe_load(Ptr{Int}(pv)) === 10
end
end
let r = Ref{Any}("123456789")
@GC.preserve r begin
pa = Base.unsafe_convert(Ptr{Any}, r) # pointer to value
pv = Base.unsafe_convert(Ptr{Cvoid}, r) # pointer to data
@test Ptr{Cvoid}(pa) != pv
@test unsafe_load(pa) === r[]
@test unsafe_load(Ptr{Ptr{Cvoid}}(pa)) === pv
@test unsafe_load(Ptr{Int}(pv)) === length(r[])
end
end
struct SpillPint
a::Ptr{Cint}
b::Ptr{Cint}
end
Base.cconvert(::Type{SpillPint}, v::NTuple{2,Cint}) =
Base.cconvert(Ref{NTuple{2,Cint}}, v)
function Base.unsafe_convert(::Type{SpillPint}, vr)
ptr = Base.unsafe_convert(Ref{NTuple{2,Cint}}, vr)
return SpillPint(ptr, ptr + 4)
end
macro test_spill_n(n::Int, intargs, floatargs)
fname_int = Symbol(:test_spill_int, n)
fname_float = Symbol(:test_spill_float, n)
quote
local ints = $(esc(intargs))
local floats = $(esc(intargs))
@test ccall(($(QuoteNode(fname_int)), libccalltest), Cint,
($((:(Ref{Cint}) for j in 1:n)...), SpillPint),
$((:(ints[$j]) for j in 1:n)...),
(ints[$n + 1], ints[$n + 2])) == sum(ints[1:($n + 2)])
@test ccall(($(QuoteNode(fname_float)), libccalltest), Float32,
($((:Float32 for j in 1:n)...), NTuple{2,Float32}),
$((:(floats[$j]) for j in 1:n)...),
(floats[$n + 1], floats[$n + 2])) == sum(floats[1:($n + 2)])
end
end
for i in 1:100
local intargs = rand(1:10000, 14)
local int32args = Int32.(intargs)
local intsum = sum(intargs)
local floatargs = rand(14)
local float32args = Float32.(floatargs)
local float32sum = sum(float32args)
local float64sum = sum(floatargs)
@test ccall((:test_long_args_intp, libccalltest), Cint,
(Ref{Cint}, Ref{Cint}, Ref{Cint}, Ref{Cint},
Ref{Cint}, Ref{Cint}, Ref{Cint}, Ref{Cint},
Ref{Cint}, Ref{Cint}, Ref{Cint}, Ref{Cint},
Ref{Cint}, Ref{Cint}),
intargs[1], intargs[2], intargs[3], intargs[4],
intargs[5], intargs[6], intargs[7], intargs[8],
intargs[9], intargs[10], intargs[11], intargs[12],
intargs[13], intargs[14]) == intsum
@test ccall((:test_long_args_int, libccalltest), Cint,
(Cint, Cint, Cint, Cint, Cint, Cint, Cint, Cint,
Cint, Cint, Cint, Cint, Cint, Cint),
intargs[1], intargs[2], intargs[3], intargs[4],
intargs[5], intargs[6], intargs[7], intargs[8],
intargs[9], intargs[10], intargs[11], intargs[12],
intargs[13], intargs[14]) == intsum
@test ccall((:test_long_args_float, libccalltest), Float32,
(Float32, Float32, Float32, Float32, Float32, Float32,
Float32, Float32, Float32, Float32, Float32, Float32,
Float32, Float32),
floatargs[1], floatargs[2], floatargs[3], floatargs[4],
floatargs[5], floatargs[6], floatargs[7], floatargs[8],
floatargs[9], floatargs[10], floatargs[11], floatargs[12],
floatargs[13], floatargs[14]) ≈ float32sum
@test ccall((:test_long_args_double, libccalltest), Float64,
(Float64, Float64, Float64, Float64, Float64, Float64,
Float64, Float64, Float64, Float64, Float64, Float64,
Float64, Float64),
floatargs[1], floatargs[2], floatargs[3], floatargs[4],
floatargs[5], floatargs[6], floatargs[7], floatargs[8],
floatargs[9], floatargs[10], floatargs[11], floatargs[12],
floatargs[13], floatargs[14]) ≈ float64sum
@test_spill_n 1 int32args float32args
@test_spill_n 2 int32args float32args
@test_spill_n 3 int32args float32args
@test_spill_n 4 int32args float32args
@test_spill_n 5 int32args float32args
@test_spill_n 6 int32args float32args
@test_spill_n 7 int32args float32args
@test_spill_n 8 int32args float32args
@test_spill_n 9 int32args float32args
@test_spill_n 10 int32args float32args
end
# issue #20835
@test_throws(ErrorException("could not evaluate ccall argument type (it might depend on a local variable)"),
eval(:(f20835(x) = ccall(:fn, Cvoid, (Ptr{typeof(x)},), x))))
@test_throws(UndefVarError(:Something_not_defined_20835),
eval(:(f20835(x) = ccall(:fn, Something_not_defined_20835, (Ptr{typeof(x)},), x))))
@test isempty(methods(f20835))
@test_throws(ErrorException("ccall method definition: argument 1 type doesn't correspond to a C type"),
@eval f21104(::Type{T}) where {T} = ccall(:fn, Cvoid, (Some{T},), Some(0)))
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval f21104(::Type{T}) where {T} = ccall(:fn, Some{T}, ()))
@test isempty(methods(f21104))
@test_throws(ErrorException("ccall method definition: argument 1 type doesn't correspond to a C type"),
@eval if false; ccall(:fn, Cvoid, (Some.body,), Some(0)); end)
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval if false; ccall(:fn, Some.body, ()); end)
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval if false; ccall(:fn, Tuple, ()); end)
## TODO: lowering is broken on this (throws "syntax: ssavalue with no def")
#@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
# @eval if false; ccall(:fn, Tuple{Val{T}} where T, ()); end)
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval if false; ccall(:fn, Tuple{Val}, ()); end)
@test_throws(TypeError, @eval if false; ccall(:fn, Some.var, ()); end)
@test_throws(TypeError, @eval if false; ccall(:fn, Cvoid, (Some.var,), Some(0)); end)
@test_throws(ErrorException("ccall method definition: Vararg not allowed for argument list"),
@eval ccall(:fn, Int, (Vararg{Int},), 1))
@test_throws(ErrorException("ccall method definition: argument 1 type doesn't correspond to a C type"),
@eval ccall(:fn, Int, (Integer,), 1))
@test_throws(ErrorException("ccall method definition: argument 1 type doesn't correspond to a C type"),
@eval ccall(:fn, Int, (Ptr,), C_NULL))
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval ccall(:fn, Integer, (Integer,), 1))
@test_throws(ErrorException("ccall method definition: return type doesn't correspond to a C type"),
@eval ccall(:fn, Ptr, ()))
# This is hard to test: @test_throws(ErrorException("ccall argument 1 type doesn't correspond to a C type"),
# @eval ccall(:fn, Int, (Union{},), 1))
@test_throws(ErrorException("ccall argument 1 type doesn't correspond to a C type"),
@eval ccall(:fn, Int, (Nothing,), nothing))
@test_throws(ErrorException("ccall return type struct fields cannot contain a reference"),
@eval ccall(:fn, typeof(Ref("")), ()))
# test for malformed syntax errors
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (), x)))
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B,), x, y)))
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B,), x, y, z)))
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B,), x, y)))
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B,), x, y, z)))
@test Expr(:error, "more arguments than types for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B, C), x, y, z)))
@test Expr(:error, "more types than arguments for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B,),)))
@test Expr(:error, "more types than arguments for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B, C), )))
@test Expr(:error, "more types than arguments for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B..., C...), )))
@test Expr(:error, "C ABI prohibits vararg without one required argument") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B...,), x)))
@test Expr(:error, "only the trailing ccall argument type should have \"...\"") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (A, B..., C...), a, x)))
@test Expr(:error, "only the trailing ccall argument type should have \"...\"") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (A, B..., C...), a, x, y, z)))
@test Expr(:error, "more types than arguments for ccall") == Meta.lower(@__MODULE__, :(ccall(:fn, A, (B, C...), )))
# cfunction on non-function singleton
struct CallableSingleton
end
(::CallableSingleton)(x, y) = x + y
@test ccall(@cfunction(CallableSingleton(), Int, (Int, Int)),
Int, (Int, Int), 1, 2) === 3
# 19805
mutable struct callinfos_19805{FUNC_FT<:Function}
f :: FUNC_FT
end
evalf_callback_19805(ci::callinfos_19805{FUNC_FT}) where {FUNC_FT} = ci.f(0.5)::Float64
@test_throws(ErrorException("cfunction method definition: argument 1 type doesn't correspond to a C type"),
@eval evalf_callback_c_19805(ci::callinfos_19805{FUNC_FT}) where {FUNC_FT} =
@cfunction(evalf_callback_19805, Float64, (callinfos_19805{FUNC_FT},)))
@test isempty(methods(evalf_callback_c_19805))
@test_throws(ErrorException("cfunction method definition: Vararg not allowed for argument list"),
@eval if false; @cfunction(+, Int, (Vararg{Int},)); end)
@test_throws(ErrorException("could not evaluate cfunction argument type (it might depend on a local variable)"),
@eval () -> @cfunction(+, Int, (Ref{T}, Ref{T})) where T)
@test_throws(ErrorException("could not evaluate cfunction return type (it might depend on a local variable)"),
@eval () -> @cfunction(+, Ref{T}, (Int, Int)) where T)
@test_throws(ErrorException("cfunction argument 2 type doesn't correspond to a C type"),
@eval @cfunction(+, Int, (Int, Nothing)))
@test_throws(ErrorException("cfunction argument 2 type doesn't correspond to a C type"),
@eval @cfunction(+, Int, (Int, Union{})))
@test_throws(ErrorException("cfunction return type Ref{Any} is invalid. Use Any or Ptr{Any} instead."),
@eval @cfunction(+, Ref{Any}, (Int, Int)))
@test_throws(ErrorException("cfunction method definition: argument 1 type doesn't correspond to a C type"),
@eval @cfunction(+, Int, (Integer, Integer)))
@test_throws(ErrorException("cfunction method definition: argument 1 type doesn't correspond to a C type"),
@eval @cfunction(+, Int, (Ptr,)))
@test_throws(ErrorException("cfunction method definition: return type doesn't correspond to a C type"),
@eval @cfunction(+, Integer, (Int, Int)))
@test_throws(ErrorException("cfunction method definition: return type doesn't correspond to a C type"),
@eval @cfunction(+, Ptr, (Int, Int)))
@test_throws(ErrorException("cfunction return type struct fields cannot contain a reference"),
@eval @cfunction(+, typeof(Ref("")), ()))
# test Ref{abstract_type} calling parameter passes a heap box
abstract type Abstract22734 end
struct Bits22734 <: Abstract22734
x::Int
y::Float64
end
function cb22734(ptr::Ptr{Cvoid})
GC.gc()
obj = unsafe_pointer_to_objref(ptr)::Bits22734
obj.x + obj.y
end
ptr22734 = @cfunction(cb22734, Float64, (Ptr{Cvoid},))
function caller22734(ptr)
obj = Bits22734(12, 20)
ccall(ptr, Float64, (Ref{Abstract22734},), obj)
end
@test caller22734(ptr22734) === 32.0
# 26297#issuecomment-371165725
# test that the first argument to cglobal is recognized as a tuple literal even through
# macro expansion
macro cglobal26297(sym)
:(cglobal(($(esc(sym)), libccalltest), Cint))
end
cglobal26297() = @cglobal26297(:global_var)
@test cglobal26297() != C_NULL
# issue #26607
noop_func_26607 = () -> nothing
function callthis_26607(args)
@cfunction(noop_func_26607, Cvoid, ())
return nothing
end
@test callthis_26607(Int64(0)) === nothing
@test callthis_26607(Int32(0)) === nothing
# issue #27178 (cfunction special case in inlining)
mutable struct CallThisFunc27178{FCN_TYPE}
fcn::FCN_TYPE
end
callback27178(cb::CTF) where CTF<:CallThisFunc27178 = nothing
@inline make_cfunc27178(cbi::CI) where CI = @cfunction(callback27178, Cvoid, (Ref{CI},))
get_c_func(fcn::FCN_TYPE) where {FCN_TYPE<:Function} = return make_cfunc27178(CallThisFunc27178(fcn))
@test isa(get_c_func(sin), Ptr)
# issue #27215
function once_removed()
function mycompare(a, b)::Cint
return (a < b) ? -1 : ((a > b) ? +1 : 0)
end
mycompare_c = @cfunction($mycompare, Cint, (Ref{Cdouble}, Ref{Cdouble}))
end
@test isa(once_removed(), Base.CFunction)
# issue #27478
function ccall27478()
module_lib = Libdl.dlopen("libjulia")
ccall(Libdl.dlsym(module_lib, "getpid"), Cint, ())
end
@test code_typed(ccall27478, ()) isa Array
# issue #27477
@eval module Pkg27477
const libccalltest = $libccalltest
end
module Test27477
using ..Pkg27477
test27477() = ccall((:ctest, Pkg27477.libccalltest), Complex{Int}, (Complex{Int},), 1 + 2im)
end
@test Test27477.test27477() == 2 + 0im
# issue #31073
let
a = ['0']
arr = Vector{Char}(undef, 2)
ptr = pointer(arr)
elsz = sizeof(Char)
na = length(a)
nba = na * elsz
ptr = eval(:(ccall(:memcpy, Ptr{Cvoid}, (Ptr{Cvoid}, Ptr{Cvoid}, UInt), $(arr), $(a), $(nba))))
@test isa(ptr, Ptr{Cvoid})
@test arr[1] == '0'
end
# issue #38751
let
function f38751!(dest::Vector{UInt8}, src::Vector{UInt8}, n::UInt)
d, s = pointer(dest), pointer(src)
GC.@preserve dest src ccall(:memcpy, Cvoid, (Ptr{UInt8}, Ptr{UInt8}, Csize_t), d, s, n)
return dest
end
dest = zeros(UInt8, 8)
@test f38751!(dest, collect(0x1:0x8), UInt(8)) == 0x1:0x8
llvm = sprint(code_llvm, f38751!, (Vector{UInt8}, Vector{UInt8}, UInt))
@test !occursin("call void inttoptr", llvm)
end
# issue #34061
let o_file = tempname(), err = Base.PipeEndpoint()
run(pipeline(Cmd(`$(Base.julia_cmd()) --color=no --output-o=$o_file -e '
Base.reinit_stdio();
f() = ccall((:dne, :does_not_exist), Cvoid, ());
f()'`; ignorestatus=true), stderr=err), wait=false)
output = read(err, String)
@test occursin("""ERROR: could not load library "does_not_exist"
""", output)
@test !isfile(o_file)
end
# pass NTuple{N,T} as Ptr{T}/Ref{T}
let
dest = Ref((0,0,0))
src = Ref((1,2,3))
ccall(:memcpy, Ptr{Cvoid}, (Ptr{Int}, Ptr{Int}, Csize_t), dest, src, 3*sizeof(Int))
@test dest[] == (1,2,3)
src = Ref((4,5,6))
ccall(:memcpy, Ptr{Cvoid}, (Ref{Int}, Ref{Int}, Csize_t), dest, src, 3*sizeof(Int))
@test dest[] == (4,5,6)
src = (7,8,9)
ccall(:memcpy, Ptr{Cvoid}, (Ref{Int}, Ref{Int}, Csize_t), dest, src, 3*sizeof(Int))
@test dest[] == (7,8,9)
end
# @ccall macro
using Base: ccall_macro_parse, ccall_macro_lower
@testset "test basic ccall_macro_parse functionality" begin
callexpr = :(
libc.printf("%s = %d\n"::Cstring ; name::Cstring, value::Cint)::Cvoid
)
@test ccall_macro_parse(callexpr) == (
:((:printf, libc)), # function
:Cvoid, # returntype
Any[:Cstring, :Cstring, :Cint], # argument types
Any["%s = %d\n", :name, :value], # argument symbols
1 # number of required arguments (for varargs)
)
end
@testset "ensure the base-case of @ccall works, including library name and pointer interpolation" begin
call = ccall_macro_lower(:ccall, ccall_macro_parse( :( libstring.func(
str::Cstring,
num1::Cint,
num2::Cint
)::Cstring))...)
@test call == Base.remove_linenums!(
quote
local arg1root = $(GlobalRef(Base, :cconvert))($(Expr(:escape, :Cstring)), $(Expr(:escape, :str)))
local arg1 = $(GlobalRef(Base, :unsafe_convert))($(Expr(:escape, :Cstring)), arg1root)
local arg2root = $(GlobalRef(Base, :cconvert))($(Expr(:escape, :Cint)), $(Expr(:escape, :num1)))
local arg2 = $(GlobalRef(Base, :unsafe_convert))($(Expr(:escape, :Cint)), arg2root)
local arg3root = $(GlobalRef(Base, :cconvert))($(Expr(:escape, :Cint)), $(Expr(:escape, :num2)))
local arg3 = $(GlobalRef(Base, :unsafe_convert))($(Expr(:escape, :Cint)), arg3root)
$(Expr(:foreigncall,
:($(Expr(:escape, :((:func, libstring))))),
:($(Expr(:escape, :Cstring))),
:($(Expr(:escape, :(($(Expr(:core, :svec)))(Cstring, Cint, Cint))))),
0,
:(:ccall),
:arg1, :arg2, :arg3, :arg1root, :arg2root, :arg3root))
end)
# pointer interpolation
call = ccall_macro_lower(:ccall, ccall_macro_parse(:( $(Expr(:$, :fptr))("bar"::Cstring)::Cvoid ))...)
@test Base.remove_linenums!(call) == Base.remove_linenums!(
quote
func = $(Expr(:escape, :fptr))
begin
if !(func isa Ptr{Cvoid})
name = :fptr
throw(ArgumentError("interpolated function `$(name)` was not a Ptr{Cvoid}, but $(typeof(func))"))
end
end
local arg1root = $(GlobalRef(Base, :cconvert))($(Expr(:escape, :Cstring)), $(Expr(:escape, "bar")))
local arg1 = $(GlobalRef(Base, :unsafe_convert))($(Expr(:escape, :Cstring)), arg1root)
$(Expr(:foreigncall, :func, :($(Expr(:escape, :Cvoid))), :($(Expr(:escape, :(($(Expr(:core, :svec)))(Cstring))))), 0, :(:ccall), :arg1, :arg1root))
end)
end
@testset "check error paths" begin
# missing return type
@test_throws ArgumentError("@ccall needs a function signature with a return type") ccall_macro_parse(:( foo(4.0::Cdouble )))
# not a function call
@test_throws ArgumentError("@ccall has to take a function call") ccall_macro_parse(:( foo::Type ))
# missing type annotations on arguments
@test_throws ArgumentError("args in @ccall need type annotations. 'x' doesn't have one.") ccall_macro_parse(:( foo(x)::Cint ))
# missing type annotations on varargs arguments
@test_throws ArgumentError("args in @ccall need type annotations. 'y' doesn't have one.") ccall_macro_parse(:( foo(x::Cint ; y)::Cint ))
# no reqired args on varargs call
@test_throws ArgumentError("C ABI prohibits vararg without one required argument") ccall_macro_parse(:( foo(; x::Cint)::Cint ))
# not a function pointer
@test_throws ArgumentError("interpolated function `PROGRAM_FILE` was not a Ptr{Cvoid}, but String") @ccall $PROGRAM_FILE("foo"::Cstring)::Cvoid
end
@testset "check error path for @cfunction" begin
@test_throws ArgumentError("@cfunction argument types must be a literal tuple") @macrocall(@cfunction(identity, Cstring, Cstring))
end
# call some c functions
@testset "run @ccall with C standard library functions" begin
@test @ccall(sqrt(4.0::Cdouble)::Cdouble) == 2.0
str = "hello"
buf = Ptr{UInt8}(Libc.malloc((length(str) + 1) * sizeof(Cchar)))
@ccall strcpy(buf::Cstring, str::Cstring)::Cstring
@test unsafe_string(buf) == str
Libc.free(buf)
# test pointer interpolation
str_identity = @cfunction(identity, Cstring, (Cstring,))
foo = @ccall $str_identity("foo"::Cstring)::Cstring
@test unsafe_string(foo) == "foo"
# test interpolation of an expresison that returns a pointer.
foo = @ccall $(@cfunction(identity, Cstring, (Cstring,)))("foo"::Cstring)::Cstring
@test unsafe_string(foo) == "foo"
# test of a vararg foreigncall using @ccall
strp = Ref{Ptr{Cchar}}(0)
fmt = "hi+%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%hhd-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f-%.1f\n"
len = @ccall asprintf(
strp::Ptr{Ptr{Cchar}},
fmt::Cstring,
; # begin varargs
0x1::UInt8, 0x2::UInt8, 0x3::UInt8, 0x4::UInt8, 0x5::UInt8, 0x6::UInt8, 0x7::UInt8, 0x8::UInt8, 0x9::UInt8, 0xa::UInt8, 0xb::UInt8, 0xc::UInt8, 0xd::UInt8, 0xe::UInt8, 0xf::UInt8,
1.1::Cfloat, 2.2::Cfloat, 3.3::Cfloat, 4.4::Cfloat, 5.5::Cfloat, 6.6::Cfloat, 7.7::Cfloat, 8.8::Cfloat, 9.9::Cfloat,
)::Cint
str = unsafe_string(strp[], len)
@ccall free(strp[]::Cstring)::Cvoid
@test str == "hi+1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-1.1-2.2-3.3-4.4-5.5-6.6-7.7-8.8-9.9\n"
end
@testset "Cwstring" begin
buffer = Array{Cwchar_t}(undef, 100)
len = @static if Sys.iswindows()
@ccall swprintf_s(buffer::Ptr{Cwchar_t}, length(buffer)::Csize_t, "α+%ls=%hhd"::Cwstring; "β"::Cwstring, 0xf::UInt8)::Cint
else
@ccall swprintf(buffer::Ptr{Cwchar_t}, length(buffer)::Csize_t, "α+%ls=%hhd"::Cwstring; "β"::Cwstring, 0xf::UInt8)::Cint
end
Libc.systemerror("swprintf", len < 0)
str = GC.@preserve buffer unsafe_string(pointer(buffer), len)
@test str == "α+β=15"
str = GC.@preserve buffer unsafe_string(Cwstring(pointer(buffer)))
@test str == "α+β=15"
end
# issue #36458
compute_lib_name() = "libcc" * "alltest"
ccall_lazy_lib_name(x) = ccall((:testUcharX, compute_lib_name()), Int32, (UInt8,), x % UInt8)
@test ccall_lazy_lib_name(0) == 0
@test ccall_lazy_lib_name(3) == 1
ccall_with_undefined_lib() = ccall((:time, xx_nOt_DeFiNeD_xx), Cint, (Ptr{Cvoid},), C_NULL)
@test_throws UndefVarError(:xx_nOt_DeFiNeD_xx) ccall_with_undefined_lib()
@testset "transcode for UInt8 and UInt16" begin
a = [UInt8(1), UInt8(2), UInt8(3)]
a16 = transcode(UInt16, a)
a8 = transcode(UInt8, a16)
@test a8 == a
b = [UInt16(1), UInt16(2), UInt16(3)]
b8 = transcode(UInt8, b)
b16 = transcode(UInt16, b8)
@test b16 == b
end
@testset "transcode String to String" begin
a = "Julia strings and things"
@test transcode(String, a) === a
end
# issue 33413
@testset "cglobal lowering" begin
# crash in cglobal33413_ptrinline[_notype]() specifically requires the library pointer be
# retrieved inside the function; using global pointer variable doesn't trigger the crash
function cglobal33413_ptrvar()
libh = Libdl.dlopen(libccalltest)
sym = Libdl.dlsym(libh, :global_var)
return cglobal(sym, Cint)
end
function cglobal33413_ptrvar_notype()
libh = Libdl.dlopen(libccalltest)
sym = Libdl.dlsym(libh, :global_var)
return cglobal(sym)
end
function cglobal33413_ptrinline()
libh = Libdl.dlopen(libccalltest)
return cglobal(Libdl.dlsym(libh, :global_var), Cint)
end
function cglobal33413_ptrinline_notype()
libh = Libdl.dlopen(libccalltest)
return cglobal(Libdl.dlsym(libh, :global_var))
end
function cglobal33413_tupleliteral()
return cglobal((:global_var, libccalltest), Cint)
end
function cglobal33413_tupleliteral_notype()
return cglobal((:global_var, libccalltest))
end
function cglobal33413_literal()
return cglobal(:sin, Cint)
end
function cglobal33413_literal_notype()
return cglobal(:sin)
end
@test unsafe_load(cglobal33413_ptrvar()) == 1
@test unsafe_load(cglobal33413_ptrinline()) == 1
@test unsafe_load(cglobal33413_tupleliteral()) == 1
@test unsafe_load(convert(Ptr{Cint}, cglobal33413_ptrvar_notype())) == 1
@test unsafe_load(convert(Ptr{Cint}, cglobal33413_ptrinline_notype())) == 1
@test unsafe_load(convert(Ptr{Cint}, cglobal33413_tupleliteral_notype())) == 1
@test cglobal33413_literal() != C_NULL
@test cglobal33413_literal_notype() != C_NULL
end
@testset "ccall_effects" begin
ctest_total(x) = @Base.assume_effects :total @ccall libccalltest.ctest(x::Complex{Int})::Complex{Int}
ctest_total_const() = Val{ctest_total(1 + 2im)}()
Core.Compiler.return_type(ctest_total_const, Tuple{}) == Val{2 + 0im}
end