| 1 | n/a | /* Area: closure_call (thiscall convention) |
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| 2 | n/a | Purpose: Check handling when caller expects thiscall callee |
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| 3 | n/a | Limitations: none. |
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| 4 | n/a | PR: none. |
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| 5 | n/a | Originator: <ktietz@redhat.com> */ |
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| 6 | n/a | |
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| 7 | n/a | /* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */ |
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| 8 | n/a | #include "ffitest.h" |
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| 9 | n/a | |
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| 10 | n/a | static void |
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| 11 | n/a | closure_test_thiscall(ffi_cif* cif __UNUSED__, void* resp, void** args, |
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| 12 | n/a | void* userdata) |
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| 13 | n/a | { |
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| 14 | n/a | *(ffi_arg*)resp = |
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| 15 | n/a | (int)*(int *)args[0] + (int)(*(int *)args[1]) |
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| 16 | n/a | + (int)(*(int *)args[2]) + (int)(*(int *)args[3]) |
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| 17 | n/a | + (int)(intptr_t)userdata; |
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| 18 | n/a | |
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| 19 | n/a | printf("%d %d %d %d: %d\n", |
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| 20 | n/a | (int)*(int *)args[0], (int)(*(int *)args[1]), |
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| 21 | n/a | (int)(*(int *)args[2]), (int)(*(int *)args[3]), |
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| 22 | n/a | (int)*(ffi_arg *)resp); |
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| 23 | n/a | |
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| 24 | n/a | } |
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| 25 | n/a | |
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| 26 | n/a | typedef int (__thiscall *closure_test_type0)(int, int, int, int); |
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| 27 | n/a | |
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| 28 | n/a | int main (void) |
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| 29 | n/a | { |
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| 30 | n/a | ffi_cif cif; |
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| 31 | n/a | void *code; |
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| 32 | n/a | ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); |
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| 33 | n/a | ffi_type * cl_arg_types[17]; |
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| 34 | n/a | int res; |
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| 35 | n/a | void* sp_pre; |
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| 36 | n/a | void* sp_post; |
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| 37 | n/a | char buf[1024]; |
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| 38 | n/a | |
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| 39 | n/a | cl_arg_types[0] = &ffi_type_uint; |
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| 40 | n/a | cl_arg_types[1] = &ffi_type_uint; |
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| 41 | n/a | cl_arg_types[2] = &ffi_type_uint; |
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| 42 | n/a | cl_arg_types[3] = &ffi_type_uint; |
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| 43 | n/a | cl_arg_types[4] = NULL; |
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| 44 | n/a | |
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| 45 | n/a | /* Initialize the cif */ |
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| 46 | n/a | CHECK(ffi_prep_cif(&cif, FFI_THISCALL, 4, |
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| 47 | n/a | &ffi_type_sint, cl_arg_types) == FFI_OK); |
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| 48 | n/a | |
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| 49 | n/a | CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_thiscall, |
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| 50 | n/a | (void *) 3 /* userdata */, code) == FFI_OK); |
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| 51 | n/a | |
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| 52 | n/a | #ifdef _MSC_VER |
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| 53 | n/a | __asm { mov sp_pre, esp } |
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| 54 | n/a | #else |
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| 55 | n/a | asm volatile (" movl %%esp,%0" : "=g" (sp_pre)); |
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| 56 | n/a | #endif |
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| 57 | n/a | res = (*(closure_test_type0)code)(0, 1, 2, 3); |
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| 58 | n/a | #ifdef _MSC_VER |
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| 59 | n/a | __asm { mov sp_post, esp } |
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| 60 | n/a | #else |
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| 61 | n/a | asm volatile (" movl %%esp,%0" : "=g" (sp_post)); |
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| 62 | n/a | #endif |
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| 63 | n/a | /* { dg-output "0 1 2 3: 9" } */ |
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| 64 | n/a | |
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| 65 | n/a | printf("res: %d\n",res); |
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| 66 | n/a | /* { dg-output "\nres: 9" } */ |
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| 67 | n/a | |
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| 68 | n/a | sprintf(buf, "mismatch: pre=%p vs post=%p", sp_pre, sp_post); |
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| 69 | n/a | printf("stack pointer %s\n", (sp_pre == sp_post ? "match" : buf)); |
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| 70 | n/a | /* { dg-output "\nstack pointer match" } */ |
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| 71 | n/a | exit(0); |
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| 72 | n/a | } |
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