128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
/* Area: ffi_call
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Purpose: Reproduce bug found in python ctypes
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Limitations: none.
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PR: Fedora 1174037 */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct {
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long x;
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long y;
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} POINT;
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typedef struct {
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long left;
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long top;
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long right;
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long bottom;
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} RECT;
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static RECT ABI_ATTR pr_test(int i __UNUSED__, RECT ar __UNUSED__,
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RECT* br __UNUSED__, POINT cp __UNUSED__,
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RECT dr __UNUSED__, RECT *er __UNUSED__,
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POINT fp, RECT gr __UNUSED__)
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{
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RECT result;
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result.left = fp.x;
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result.right = fp.y;
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result.top = fp.x;
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result.bottom = fp.y;
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return result;
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}
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int main (void)
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{
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ffi_cif cif;
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ffi_type *args[MAX_ARGS];
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void *values[MAX_ARGS];
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ffi_type point_type, rect_type;
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ffi_type *point_type_elements[3];
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ffi_type *rect_type_elements[5];
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int i;
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POINT cp, fp;
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RECT ar, br, dr, er, gr;
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RECT *p1, *p2;
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/* This is a hack to get a properly aligned result buffer */
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RECT *rect_result =
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(RECT *) malloc (sizeof(RECT));
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point_type.size = 0;
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point_type.alignment = 0;
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point_type.type = FFI_TYPE_STRUCT;
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point_type.elements = point_type_elements;
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point_type_elements[0] = &ffi_type_slong;
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point_type_elements[1] = &ffi_type_slong;
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point_type_elements[2] = NULL;
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rect_type.size = 0;
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rect_type.alignment = 0;
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rect_type.type = FFI_TYPE_STRUCT;
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rect_type.elements = rect_type_elements;
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rect_type_elements[0] = &ffi_type_slong;
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rect_type_elements[1] = &ffi_type_slong;
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rect_type_elements[2] = &ffi_type_slong;
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rect_type_elements[3] = &ffi_type_slong;
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rect_type_elements[4] = NULL;
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args[0] = &ffi_type_sint;
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args[1] = &rect_type;
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args[2] = &ffi_type_pointer;
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args[3] = &point_type;
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args[4] = &rect_type;
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args[5] = &ffi_type_pointer;
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args[6] = &point_type;
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args[7] = &rect_type;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, ABI_NUM, 8, &rect_type, args) == FFI_OK);
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i = 1;
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ar.left = 2;
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ar.right = 3;
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ar.top = 4;
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ar.bottom = 5;
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br.left = 6;
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br.right = 7;
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br.top = 8;
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br.bottom = 9;
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cp.x = 10;
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cp.y = 11;
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dr.left = 12;
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dr.right = 13;
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dr.top = 14;
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dr.bottom = 15;
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er.left = 16;
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er.right = 17;
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er.top = 18;
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er.bottom = 19;
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fp.x = 20;
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fp.y = 21;
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gr.left = 22;
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gr.right = 23;
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gr.top = 24;
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gr.bottom = 25;
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values[0] = &i;
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values[1] = &ar;
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p1 = &br;
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values[2] = &p1;
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values[3] = &cp;
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values[4] = &dr;
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p2 = &er;
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values[5] = &p2;
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values[6] = &fp;
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values[7] = &gr;
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ffi_call (&cif, FFI_FN(pr_test), rect_result, values);
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CHECK(rect_result->top == 20);
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free (rect_result);
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exit(0);
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}
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