73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/* Area: closure_call (stdcall convention)
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Purpose: Check handling when caller expects stdcall callee
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Limitations: none.
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PR: none.
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Originator: <twalljava@dev.java.net> */
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/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
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#include "ffitest.h"
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static void
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closure_test_stdcall(ffi_cif* cif __UNUSED__, void* resp, void** args,
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void* userdata)
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{
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*(ffi_arg*)resp =
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(int)*(int *)args[0] + (int)(*(int *)args[1])
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+ (int)(*(int *)args[2]) + (int)(*(int *)args[3])
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+ (int)(intptr_t)userdata;
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printf("%d %d %d %d: %d\n",
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(int)*(int *)args[0], (int)(*(int *)args[1]),
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(int)(*(int *)args[2]), (int)(*(int *)args[3]),
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(int)*(ffi_arg *)resp);
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}
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typedef int (__stdcall *closure_test_type0)(int, int, int, int);
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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ffi_type * cl_arg_types[17];
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int res;
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void* sp_pre;
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void* sp_post;
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char buf[1024];
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cl_arg_types[0] = &ffi_type_uint;
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cl_arg_types[1] = &ffi_type_uint;
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cl_arg_types[2] = &ffi_type_uint;
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cl_arg_types[3] = &ffi_type_uint;
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cl_arg_types[4] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_STDCALL, 4,
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&ffi_type_sint, cl_arg_types) == FFI_OK);
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CHECK(ffi_prep_closure_loc(pcl, &cif, closure_test_stdcall,
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(void *) 3 /* userdata */, code) == FFI_OK);
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#ifdef _MSC_VER
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__asm { mov sp_pre, esp }
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#else
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asm volatile (" movl %%esp,%0" : "=g" (sp_pre));
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#endif
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res = (*(closure_test_type0)code)(0, 1, 2, 3);
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#ifdef _MSC_VER
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__asm { mov sp_post, esp }
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#else
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asm volatile (" movl %%esp,%0" : "=g" (sp_post));
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#endif
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/* { dg-output "0 1 2 3: 9" } */
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printf("res: %d\n",res);
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/* { dg-output "\nres: 9" } */
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sprintf(buf, "mismatch: pre=%p vs post=%p", sp_pre, sp_post);
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printf("stack pointer %s\n", (sp_pre == sp_post ? "match" : buf));
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/* { dg-output "\nstack pointer match" } */
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exit(0);
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}
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