diff --git a/call_test.go b/call_test.go index 8379efb..c30914d 100644 --- a/call_test.go +++ b/call_test.go @@ -82,7 +82,7 @@ func TestCallRejectsUnsupportedInputs(t *testing.T) { }) assertPanics(t, "unsupported argument count", func() { - _ = Call(callFailureFunction(), 1, 2, 3, 4, 5, 6, 7) + _ = Call(callFailureFunction(), 1, 2, 3, 4, 5, 6, 7, 8, 9) }) } @@ -94,6 +94,22 @@ func TestCallSupportsSixArguments(t *testing.T) { } } +func TestCallSupportsSevenArguments(t *testing.T) { + t.Parallel() + + if err := Call(callSevenArgumentFunction(), 10, 11, 12, 13, 14, 15, 16); err != nil { + t.Fatalf("expected success, got error: %v", err) + } +} + +func TestCallSupportsEightArguments(t *testing.T) { + t.Parallel() + + if err := Call(callEightArgumentFunction(), 10, 11, 12, 13, 14, 15, 16, 17); err != nil { + t.Fatalf("expected success, got error: %v", err) + } +} + func TestCallSupportsBufferArgument(t *testing.T) { t.Parallel() diff --git a/call_test_support.go b/call_test_support.go index 23b130f..700351e 100644 --- a/call_test_support.go +++ b/call_test_support.go @@ -22,6 +22,20 @@ int call_six_args(uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintpt return 13; } +int call_seven_args(uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6) { + if (a0 == 10 && a1 == 11 && a2 == 12 && a3 == 13 && a4 == 14 && a5 == 15 && a6 == 16) { + return 0; + } + return 13; +} + +int call_eight_args(uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7) { + if (a0 == 10 && a1 == 11 && a2 == 12 && a3 == 13 && a4 == 14 && a5 == 15 && a6 == 16 && a7 == 17) { + return 0; + } + return 13; +} + int call_buffer_argument(uintptr_t value) { return value == 0 ? 13 : 0; } @@ -38,6 +52,14 @@ uintptr_t call_six_args_ptr(void) { return (uintptr_t)&call_six_args; } +uintptr_t call_seven_args_ptr(void) { + return (uintptr_t)&call_seven_args; +} + +uintptr_t call_eight_args_ptr(void) { + return (uintptr_t)&call_eight_args; +} + uintptr_t call_buffer_argument_ptr(void) { return (uintptr_t)&call_buffer_argument; } @@ -62,6 +84,16 @@ func callSixArgumentFunction() unsafe.Pointer { return *(*unsafe.Pointer)(unsafe.Pointer(&function)) } +func callSevenArgumentFunction() unsafe.Pointer { + function := C.call_seven_args_ptr() + return *(*unsafe.Pointer)(unsafe.Pointer(&function)) +} + +func callEightArgumentFunction() unsafe.Pointer { + function := C.call_eight_args_ptr() + return *(*unsafe.Pointer)(unsafe.Pointer(&function)) +} + func callBufferArgumentFunction() unsafe.Pointer { function := C.call_buffer_argument_ptr() return *(*unsafe.Pointer)(unsafe.Pointer(&function)) diff --git a/string_conversion.go b/string_conversion.go index 6d86e4d..e0e133b 100644 --- a/string_conversion.go +++ b/string_conversion.go @@ -11,6 +11,8 @@ typedef int (*cgo_call_int_fn3_t)(uintptr_t, uintptr_t, uintptr_t); typedef int (*cgo_call_int_fn4_t)(uintptr_t, uintptr_t, uintptr_t, uintptr_t); typedef int (*cgo_call_int_fn5_t)(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); typedef int (*cgo_call_int_fn6_t)(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); +typedef int (*cgo_call_int_fn7_t)(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); +typedef int (*cgo_call_int_fn8_t)(uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t); int cgo_call_0(uintptr_t fn) { return ((cgo_call_int_fn0_t)fn)(); @@ -39,6 +41,14 @@ int cgo_call_5(uintptr_t fn, uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t int cgo_call_6(uintptr_t fn, uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5) { return ((cgo_call_int_fn6_t)fn)(a0, a1, a2, a3, a4, a5); } + +int cgo_call_7(uintptr_t fn, uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6) { + return ((cgo_call_int_fn7_t)fn)(a0, a1, a2, a3, a4, a5, a6); +} + +int cgo_call_8(uintptr_t fn, uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7) { + return ((cgo_call_int_fn8_t)fn)(a0, a1, a2, a3, a4, a5, a6, a7); +} */ import "C" @@ -199,8 +209,72 @@ func Call(function unsafe.Pointer, args ...interface{}) error { panic("cgo.Call: unsupported argument type") } result = C.cgo_call_6(C.uintptr_t(target), C.uintptr_t(a0), C.uintptr_t(a1), C.uintptr_t(a2), C.uintptr_t(a3), C.uintptr_t(a4), C.uintptr_t(a5)) + case 7: + a0, ok := toSyscallArg(args[0]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a1, ok := toSyscallArg(args[1]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a2, ok := toSyscallArg(args[2]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a3, ok := toSyscallArg(args[3]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a4, ok := toSyscallArg(args[4]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a5, ok := toSyscallArg(args[5]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a6, ok := toSyscallArg(args[6]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + result = C.cgo_call_7(C.uintptr_t(target), C.uintptr_t(a0), C.uintptr_t(a1), C.uintptr_t(a2), C.uintptr_t(a3), C.uintptr_t(a4), C.uintptr_t(a5), C.uintptr_t(a6)) + case 8: + a0, ok := toSyscallArg(args[0]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a1, ok := toSyscallArg(args[1]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a2, ok := toSyscallArg(args[2]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a3, ok := toSyscallArg(args[3]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a4, ok := toSyscallArg(args[4]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a5, ok := toSyscallArg(args[5]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a6, ok := toSyscallArg(args[6]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + a7, ok := toSyscallArg(args[7]) + if !ok { + panic("cgo.Call: unsupported argument type") + } + result = C.cgo_call_8(C.uintptr_t(target), C.uintptr_t(a0), C.uintptr_t(a1), C.uintptr_t(a2), C.uintptr_t(a3), C.uintptr_t(a4), C.uintptr_t(a5), C.uintptr_t(a6), C.uintptr_t(a7)) default: - panic("cgo.Call: unsupported argument count: max 6") + panic("cgo.Call: unsupported argument count: max 8") } if result != 0 {