File: callingconv.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (75 lines) | stat: -rw-r--r-- 3,633 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
// RUN: %clang_cc1 %s -fsyntax-only -Wno-strict-prototypes -triple i386-unknown-unknown -verify
// RUN: %clang_cc1 %s -fsyntax-only -Wno-strict-prototypes -triple i386-unknown-unknown -fms-compatibility -DWIN -verify

void __attribute__((fastcall)) foo(float *a) {
}

void __attribute__((stdcall)) bar(float *a) {
}

void __attribute__((fastcall(1))) baz(float *a) { // expected-error {{'fastcall' attribute takes no arguments}}
}

void __attribute__((fastcall)) test0() {
}

void __attribute__((fastcall)) test1(void) {
}

void __attribute__((fastcall)) test2(int a, ...) { // expected-warning {{fastcall calling convention is not supported on variadic function}}
}
void __attribute__((stdcall)) test3(int a, ...) { // expected-warning {{stdcall calling convention is not supported on variadic function}}
}
void __attribute__((thiscall)) test4(int a, ...) { // expected-error {{variadic function cannot use thiscall calling convention}}
}

void __attribute__((cdecl)) ctest0() {}

void __attribute__((cdecl(1))) ctest1(float x) {} // expected-error {{'cdecl' attribute takes no arguments}}

void (__attribute__((fastcall)) *pfoo)(float*) = foo;

void (__attribute__((stdcall)) *pbar)(float*) = bar;

void (__attribute__((cdecl)) *ptest1)(void) = test1; // expected-error {{incompatible function pointer types}}

void (*pctest0)() = ctest0;

void ctest2() {}
void (__attribute__((cdecl)) *pctest2)() = ctest2;

typedef void (__attribute__((fastcall)) *Handler) (float *);
Handler H = foo;

int __attribute__((pcs("aapcs", "aapcs"))) pcs1(void); // expected-error {{'pcs' attribute takes one argument}}
int __attribute__((pcs())) pcs2(void); // expected-error {{'pcs' attribute takes one argument}}
int __attribute__((pcs(pcs1))) pcs3(void); // expected-error {{'pcs' attribute requires a string}} \
                                           // expected-error {{invalid PCS type}}
int __attribute__((pcs(0))) pcs4(void); // expected-error {{expected string literal as argument of 'pcs' attribute}}
/* These are ignored because the target is i386 and not ARM */
int __attribute__((pcs("aapcs"))) pcs5(void); // expected-warning {{'pcs' calling convention is not supported for this target}}
int __attribute__((pcs("aapcs-vfp"))) pcs6(void); // expected-warning {{'pcs' calling convention is not supported for this target}}
int __attribute__((pcs("foo"))) pcs7(void); // expected-error {{invalid PCS type}}

int __attribute__((aarch64_vector_pcs)) aavpcs(void); // expected-warning {{'aarch64_vector_pcs' calling convention is not supported for this target}}
int __attribute__((aarch64_sve_pcs)) aasvepcs(void);  // expected-warning {{'aarch64_sve_pcs' calling convention is not supported for this target}}

int __attribute__((amdgpu_kernel)) amdgpu_kernel(void); // expected-warning {{'amdgpu_kernel' calling convention is not supported for this target}}

// PR6361
void ctest3();
void __attribute__((cdecl)) ctest3() {}

// PR6408
typedef __attribute__((stdcall)) void (*PROC)();
PROC __attribute__((cdecl)) ctest4(const char *x) {}

void __attribute__((intel_ocl_bicc)) inteloclbifunc(float *a) {}

typedef void typedef_fun_t(int);
typedef_fun_t typedef_fun; // expected-note {{previous declaration is here}}
void __attribute__((stdcall)) typedef_fun(int x) { } // expected-error {{function declared 'stdcall' here was previously declared without calling convention}}

struct type_test {} __attribute__((stdcall));  // expected-warning {{'stdcall' attribute only applies to functions and methods}}

void __vectorcall __builtin_unreachable(); // expected-warning {{vectorcall calling convention is not supported on builtin function}}