47 lines
937 B
C
47 lines
937 B
C
/** Tests argument passing to functions.
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Assumes that up to the first two arguments can be passed in registers.
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type1: char, int, long
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type2: char, int, long
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type3: char, int, long
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*/
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#include <testfwk.h>
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static {type1}
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returnFirstArg({type1} arg1, {type2} arg2, {type3} arg3)
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{
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UNUSED(arg2);
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UNUSED(arg3);
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return arg1;
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}
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static {type2}
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returnSecondArg({type1} arg1, {type2} arg2, {type3} arg3)
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{
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UNUSED(arg1);
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UNUSED(arg3);
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return arg2;
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}
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static {type3}
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returnThirdArg({type1} arg1, {type2} arg2, {type3} arg3)
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{
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UNUSED(arg1);
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UNUSED(arg2);
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return arg3;
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}
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static void
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testArgs(void)
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{
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ASSERT(returnFirstArg(123, 45, 67) == 123);
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ASSERT(returnFirstArg(-123, 45, 67) == -123);
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ASSERT(returnSecondArg(1, -23, 64) == -23);
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ASSERT(returnSecondArg(1, 8, 64) == 8);
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ASSERT(returnThirdArg(-33, -34, -35) == -35);
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ASSERT(returnThirdArg(-33, -34, 35) == 35);
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}
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