github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/testsuite/libffi.call/huge_struct.c

/*	Area:			ffi_call, closure_call
	Purpose:		Check large structure returns.
	Limitations:	none.
	PR:				none.
	Originator:		Blake Chaffin	6/18/2007
*/

/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
/* { dg-options -Wformat=0 { target moxie*-*-elf } } */

#include "ffitest.h"

typedef	struct BigStruct{
	uint8_t		a;
	int8_t		b;
	uint16_t	c;
	int16_t		d;
	uint32_t	e;
	int32_t		f;
	uint64_t	g;
	int64_t		h;
	float		i;
	double		j;
	long double	k;
	char*		l;
	uint8_t		m;
	int8_t		n;
	uint16_t	o;
	int16_t		p;
	uint32_t	q;
	int32_t		r;
	uint64_t	s;
	int64_t		t;
	float		u;
	double		v;
	long double	w;
	char*		x;
	uint8_t		y;
	int8_t		z;
	uint16_t	aa;
	int16_t		bb;
	uint32_t	cc;
	int32_t		dd;
	uint64_t	ee;
	int64_t		ff;
	float		gg;
	double		hh;
	long double	ii;
	char*		jj;
	uint8_t		kk;
	int8_t		ll;
	uint16_t	mm;
	int16_t		nn;
	uint32_t	oo;
	int32_t		pp;
	uint64_t	qq;
	int64_t		rr;
	float		ss;
	double		tt;
	long double	uu;
	char*		vv;
	uint8_t		ww;
	int8_t		xx;
} BigStruct;

BigStruct
test_large_fn(
	uint8_t		ui8_1,
	int8_t		si8_1,
	uint16_t	ui16_1,
	int16_t		si16_1,
	uint32_t	ui32_1,
	int32_t		si32_1,
	uint64_t	ui64_1,
	int64_t		si64_1,
	float		f_1,
	double		d_1,
	long double	ld_1,
	char*		p_1,
	uint8_t		ui8_2,
	int8_t		si8_2,
	uint16_t	ui16_2,
	int16_t		si16_2,
	uint32_t	ui32_2,
	int32_t		si32_2,
	uint64_t	ui64_2,
	int64_t		si64_2,
	float		f_2,
	double		d_2,
	long double	ld_2,
	char*		p_2,
	uint8_t		ui8_3,
	int8_t		si8_3,
	uint16_t	ui16_3,
	int16_t		si16_3,
	uint32_t	ui32_3,
	int32_t		si32_3,
	uint64_t	ui64_3,
	int64_t		si64_3,
	float		f_3,
	double		d_3,
	long double	ld_3,
	char*		p_3,
	uint8_t		ui8_4,
	int8_t		si8_4,
	uint16_t	ui16_4,
	int16_t		si16_4,
	uint32_t	ui32_4,
	int32_t		si32_4,
	uint64_t	ui64_4,
	int64_t		si64_4,
	float		f_4,
	double		d_4,
	long double	ld_4,
	char*		p_4,
	uint8_t		ui8_5,
	int8_t		si8_5)
{
	BigStruct	retVal	= {
		ui8_1 + 1, si8_1 + 1, ui16_1 + 1, si16_1 + 1, ui32_1 + 1, si32_1 + 1,
			ui64_1 + 1, si64_1 + 1, f_1 + 1, d_1 + 1, ld_1 + 1, (char*)((intptr_t)p_1 + 1), 
		ui8_2 + 2, si8_2 + 2, ui16_2 + 2, si16_2 + 2, ui32_2 + 2, si32_2 + 2,
			ui64_2 + 2, si64_2 + 2, f_2 + 2, d_2 + 2, ld_2 + 2, (char*)((intptr_t)p_2 + 2), 
		ui8_3 + 3, si8_3 + 3, ui16_3 + 3, si16_3 + 3, ui32_3 + 3, si32_3 + 3,
			ui64_3 + 3, si64_3 + 3, f_3 + 3, d_3 + 3, ld_3 + 3, (char*)((intptr_t)p_3 + 3), 
		ui8_4 + 4, si8_4 + 4, ui16_4 + 4, si16_4 + 4, ui32_4 + 4, si32_4 + 4,
			ui64_4 + 4, si64_4 + 4, f_4 + 4, d_4 + 4, ld_4 + 4, (char*)((intptr_t)p_4 + 4), 
		ui8_5 + 5, si8_5 + 5};

	printf("%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %" PRIu8 " %" PRId8 ": "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %" PRIu8 " %" PRId8 "\n",
	       ui8_1, si8_1, ui16_1, si16_1, ui32_1, si32_1, ui64_1, si64_1, f_1, d_1, ld_1, (unsigned long)p_1,
		ui8_2, si8_2, ui16_2, si16_2, ui32_2, si32_2, ui64_2, si64_2, f_2, d_2, ld_2, (unsigned long)p_2,
		ui8_3, si8_3, ui16_3, si16_3, ui32_3, si32_3, ui64_3, si64_3, f_3, d_3, ld_3, (unsigned long)p_3,
		ui8_4, si8_4, ui16_4, si16_4, ui32_4, si32_4, ui64_4, si64_4, f_4, d_4, ld_4, (unsigned long)p_4, ui8_5, si8_5,
		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);

	return	retVal;
}

static void
cls_large_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
{
	uint8_t		ui8_1	= *(uint8_t*)args[0];
	int8_t		si8_1	= *(int8_t*)args[1];
	uint16_t	ui16_1	= *(uint16_t*)args[2];
	int16_t		si16_1	= *(int16_t*)args[3];
	uint32_t	ui32_1	= *(uint32_t*)args[4];
	int32_t		si32_1	= *(int32_t*)args[5];
	uint64_t	ui64_1	= *(uint64_t*)args[6];
	int64_t		si64_1	= *(int64_t*)args[7];
	float		f_1		= *(float*)args[8];
	double		d_1		= *(double*)args[9];
	long double	ld_1	= *(long double*)args[10];
	char*		p_1		= *(char**)args[11];
	uint8_t		ui8_2	= *(uint8_t*)args[12];
	int8_t		si8_2	= *(int8_t*)args[13];
	uint16_t	ui16_2	= *(uint16_t*)args[14];
	int16_t		si16_2	= *(int16_t*)args[15];
	uint32_t	ui32_2	= *(uint32_t*)args[16];
	int32_t		si32_2	= *(int32_t*)args[17];
	uint64_t	ui64_2	= *(uint64_t*)args[18];
	int64_t		si64_2	= *(int64_t*)args[19];
	float		f_2		= *(float*)args[20];
	double		d_2		= *(double*)args[21];
	long double	ld_2	= *(long double*)args[22];
	char*		p_2		= *(char**)args[23];
	uint8_t		ui8_3	= *(uint8_t*)args[24];
	int8_t		si8_3	= *(int8_t*)args[25];
	uint16_t	ui16_3	= *(uint16_t*)args[26];
	int16_t		si16_3	= *(int16_t*)args[27];
	uint32_t	ui32_3	= *(uint32_t*)args[28];
	int32_t		si32_3	= *(int32_t*)args[29];
	uint64_t	ui64_3	= *(uint64_t*)args[30];
	int64_t		si64_3	= *(int64_t*)args[31];
	float		f_3		= *(float*)args[32];
	double		d_3		= *(double*)args[33];
	long double	ld_3	= *(long double*)args[34];
	char*		p_3		= *(char**)args[35];
	uint8_t		ui8_4	= *(uint8_t*)args[36];
	int8_t		si8_4	= *(int8_t*)args[37];
	uint16_t	ui16_4	= *(uint16_t*)args[38];
	int16_t		si16_4	= *(int16_t*)args[39];
	uint32_t	ui32_4	= *(uint32_t*)args[40];
	int32_t		si32_4	= *(int32_t*)args[41];
	uint64_t	ui64_4	= *(uint64_t*)args[42];
	int64_t		si64_4	= *(int64_t*)args[43];
	float		f_4		= *(float*)args[44];
	double		d_4		= *(double*)args[45];
	long double	ld_4	= *(long double*)args[46];
	char*		p_4		= *(char**)args[47];
	uint8_t		ui8_5	= *(uint8_t*)args[48];
	int8_t		si8_5	= *(int8_t*)args[49];

	*(BigStruct*)resp = test_large_fn(
		ui8_1, si8_1, ui16_1, si16_1, ui32_1, si32_1, ui64_1, si64_1, f_1, d_1, ld_1, p_1,
		ui8_2, si8_2, ui16_2, si16_2, ui32_2, si32_2, ui64_2, si64_2, f_2, d_2, ld_2, p_2,
		ui8_3, si8_3, ui16_3, si16_3, ui32_3, si32_3, ui64_3, si64_3, f_3, d_3, ld_3, p_3,
		ui8_4, si8_4, ui16_4, si16_4, ui32_4, si32_4, ui64_4, si64_4, f_4, d_4, ld_4, p_4,
		ui8_5, si8_5);
}

int
main(int argc __UNUSED__, const char** argv __UNUSED__)
{
        void *code;
	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);

	ffi_cif		cif;
	ffi_type*	argTypes[51];
	void*		argValues[51];

	ffi_type	ret_struct_type;
	ffi_type*	st_fields[51];
	BigStruct	retVal;

	uint8_t		ui8		= 1;
	int8_t		si8		= 2;
	uint16_t	ui16	= 3;
	int16_t		si16	= 4;
	uint32_t	ui32	= 5;
	int32_t		si32	= 6;
	uint64_t	ui64	= 7;
	int64_t		si64	= 8;
	float		f		= 9;
	double		d		= 10;
	long double	ld		= 11;
	char*		p		= (char*)0x12345678;

	memset (&retVal, 0, sizeof(retVal));

	ret_struct_type.size = 0;
	ret_struct_type.alignment = 0;
	ret_struct_type.type = FFI_TYPE_STRUCT;
	ret_struct_type.elements = st_fields;

	st_fields[0]	= st_fields[12]	= st_fields[24]	= st_fields[36]	= st_fields[48]	= &ffi_type_uint8;
	st_fields[1]	= st_fields[13]	= st_fields[25]	= st_fields[37]	= st_fields[49]	= &ffi_type_sint8;
	st_fields[2]	= st_fields[14]	= st_fields[26]	= st_fields[38]	= &ffi_type_uint16;
	st_fields[3]	= st_fields[15]	= st_fields[27]	= st_fields[39]	= &ffi_type_sint16;
	st_fields[4]	= st_fields[16]	= st_fields[28]	= st_fields[40]	= &ffi_type_uint32;
	st_fields[5]	= st_fields[17]	= st_fields[29]	= st_fields[41]	= &ffi_type_sint32;
	st_fields[6]	= st_fields[18]	= st_fields[30]	= st_fields[42]	= &ffi_type_uint64;
	st_fields[7]	= st_fields[19]	= st_fields[31]	= st_fields[43]	= &ffi_type_sint64;
	st_fields[8]	= st_fields[20]	= st_fields[32]	= st_fields[44]	= &ffi_type_float;
	st_fields[9]	= st_fields[21]	= st_fields[33]	= st_fields[45]	= &ffi_type_double;
	st_fields[10]	= st_fields[22]	= st_fields[34]	= st_fields[46]	= &ffi_type_longdouble;
	st_fields[11]	= st_fields[23]	= st_fields[35]	= st_fields[47]	= &ffi_type_pointer;

	st_fields[50] = NULL;

	argTypes[0]		= argTypes[12]	= argTypes[24]	= argTypes[36]	= argTypes[48]	= &ffi_type_uint8;
	argValues[0]	= argValues[12]	= argValues[24]	= argValues[36]	= argValues[48]	= &ui8;
	argTypes[1]		= argTypes[13]	= argTypes[25]	= argTypes[37]	= argTypes[49]	= &ffi_type_sint8;
	argValues[1]	= argValues[13]	= argValues[25]	= argValues[37]	= argValues[49]	= &si8;
	argTypes[2]		= argTypes[14]	= argTypes[26]	= argTypes[38]	= &ffi_type_uint16;
	argValues[2]	= argValues[14]	= argValues[26]	= argValues[38]	= &ui16;
	argTypes[3]		= argTypes[15]	= argTypes[27]	= argTypes[39]	= &ffi_type_sint16;
	argValues[3]	= argValues[15]	= argValues[27]	= argValues[39]	= &si16;
	argTypes[4]		= argTypes[16]	= argTypes[28]	= argTypes[40]	= &ffi_type_uint32;
	argValues[4]	= argValues[16]	= argValues[28]	= argValues[40]	= &ui32;
	argTypes[5]		= argTypes[17]	= argTypes[29]	= argTypes[41]	= &ffi_type_sint32;
	argValues[5]	= argValues[17]	= argValues[29]	= argValues[41]	= &si32;
	argTypes[6]		= argTypes[18]	= argTypes[30]	= argTypes[42]	= &ffi_type_uint64;
	argValues[6]	= argValues[18]	= argValues[30]	= argValues[42]	= &ui64;
	argTypes[7]		= argTypes[19]	= argTypes[31]	= argTypes[43]	= &ffi_type_sint64;
	argValues[7]	= argValues[19]	= argValues[31]	= argValues[43]	= &si64;
	argTypes[8]		= argTypes[20]	= argTypes[32]	= argTypes[44]	= &ffi_type_float;
	argValues[8]	= argValues[20]	= argValues[32]	= argValues[44]	= &f;
	argTypes[9]		= argTypes[21]	= argTypes[33]	= argTypes[45]	= &ffi_type_double;
	argValues[9]	= argValues[21]	= argValues[33]	= argValues[45]	= &d;
	argTypes[10]	= argTypes[22]	= argTypes[34]	= argTypes[46]	= &ffi_type_longdouble;
	argValues[10]	= argValues[22]	= argValues[34]	= argValues[46]	= &ld;
	argTypes[11]	= argTypes[23]	= argTypes[35]	= argTypes[47]	= &ffi_type_pointer;
	argValues[11]	= argValues[23]	= argValues[35]	= argValues[47]	= &p;

	argTypes[50]	= NULL;
	argValues[50]	= NULL;

	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 50, &ret_struct_type, argTypes) == FFI_OK);

	ffi_call(&cif, FFI_FN(test_large_fn), &retVal, argValues);
	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" } */
	printf("res: %" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %" PRIu8 " %" PRId8 "\n",
		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);
	/* { dg-output "\nres: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" } */

	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_large_fn, NULL, code) == FFI_OK);

	retVal	= ((BigStruct(*)(
		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
		uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t, float, double, long double, char*,
		uint8_t, int8_t))(code))(
		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
		ui8, si8, ui16, si16, ui32, si32, ui64, si64, f, d, ld, p,
		ui8, si8);
	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2 3 4 5 6 7 8 9 10 11 0x12345678 1 2: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" } */
	printf("res: %" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx "
		"%" PRIu8 " %" PRId8 " %hu %hd %u %d %" PRIu64 " %" PRId64 " %.0f %.0f %.0Lf %#lx %" PRIu8 " %" PRId8 "\n",
		retVal.a, retVal.b, retVal.c, retVal.d, retVal.e, retVal.f,
	       retVal.g, retVal.h, retVal.i, retVal.j, retVal.k, (unsigned long)retVal.l,
		retVal.m, retVal.n, retVal.o, retVal.p, retVal.q, retVal.r,
	       retVal.s, retVal.t, retVal.u, retVal.v, retVal.w, (unsigned long)retVal.x,
		retVal.y, retVal.z, retVal.aa, retVal.bb, retVal.cc, retVal.dd,
	       retVal.ee, retVal.ff, retVal.gg, retVal.hh, retVal.ii, (unsigned long)retVal.jj,
		retVal.kk, retVal.ll, retVal.mm, retVal.nn, retVal.oo, retVal.pp,
	       retVal.qq, retVal.rr, retVal.ss, retVal.tt, retVal.uu, (unsigned long)retVal.vv, retVal.ww, retVal.xx);
	/* { dg-output "\nres: 2 3 4 5 6 7 8 9 10 11 12 0x12345679 3 4 5 6 7 8 9 10 11 12 13 0x1234567a 4 5 6 7 8 9 10 11 12 13 14 0x1234567b 5 6 7 8 9 10 11 12 13 14 15 0x1234567c 6 7" } */

    return 0;
}