mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-11 18:06:21 +00:00
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
#include <stdio.h>
|
|
|
|
#define branch(mask,_v1) \
|
|
({ \
|
|
unsigned char taken; \
|
|
unsigned b1 = _v1; \
|
|
asm volatile( " ltr %[b1],%[b1]\n\t" \
|
|
" brc " #mask " ,1f\n\t" \
|
|
" mvi %[taken],0\n\t" \
|
|
" j 0f\n\t" \
|
|
"1: mvi %[taken],1\n\t" \
|
|
"0: bcr 0,0 /* nop */\n\t" \
|
|
: [taken] "=Q" (taken), [b1] "+d"(b1) \
|
|
: \
|
|
: "cc"); \
|
|
taken; \
|
|
})
|
|
|
|
void
|
|
ltr_1(void)
|
|
{
|
|
int wrong, ok, v1;
|
|
|
|
printf("Test #1 value = 0\n");
|
|
|
|
v1 = 0;
|
|
wrong = ok = 0;
|
|
if (branch(0, v1)) ++wrong; else ++ok;
|
|
if (branch(1, v1)) ++wrong; else ++ok;
|
|
if (branch(2, v1)) ++wrong; else ++ok;
|
|
if (branch(3, v1)) ++wrong; else ++ok;
|
|
if (branch(4, v1)) ++wrong; else ++ok;
|
|
if (branch(5, v1)) ++wrong; else ++ok;
|
|
if (branch(6, v1)) ++wrong; else ++ok;
|
|
if (branch(7, v1)) ++wrong; else ++ok;
|
|
if (branch(8, v1)) ++ok; else ++wrong;
|
|
if (branch(9, v1)) ++ok; else ++wrong;
|
|
if (branch(10, v1)) ++ok; else ++wrong;
|
|
if (branch(11, v1)) ++ok; else ++wrong;
|
|
if (branch(12, v1)) ++ok; else ++wrong;
|
|
if (branch(13, v1)) ++ok; else ++wrong;
|
|
if (branch(14, v1)) ++ok; else ++wrong;
|
|
if (branch(15, v1)) ++ok; else ++wrong;
|
|
|
|
if (wrong != 0 || ok != 16)
|
|
printf("FAILED\n");
|
|
else
|
|
printf("OK\n");
|
|
}
|
|
|
|
void
|
|
ltr_2(void)
|
|
{
|
|
int wrong, ok, v1;
|
|
|
|
printf("Test #2 value > 0\n");
|
|
v1 = 42;
|
|
wrong = ok = 0;
|
|
if (branch(0, v1)) ++wrong; else ++ok;
|
|
if (branch(1, v1)) ++wrong; else ++ok;
|
|
if (branch(2, v1)) ++ok; else ++wrong;
|
|
if (branch(3, v1)) ++ok; else ++wrong;
|
|
if (branch(4, v1)) ++wrong; else ++ok;
|
|
if (branch(5, v1)) ++wrong; else ++ok;
|
|
if (branch(6, v1)) ++ok; else ++wrong;
|
|
if (branch(7, v1)) ++ok; else ++wrong;
|
|
if (branch(8, v1)) ++wrong; else ++ok;
|
|
if (branch(9, v1)) ++wrong; else ++ok;
|
|
if (branch(10, v1)) ++ok; else ++wrong;
|
|
if (branch(11, v1)) ++ok; else ++wrong;
|
|
if (branch(12, v1)) ++wrong; else ++ok;
|
|
if (branch(13, v1)) ++wrong; else ++ok;
|
|
if (branch(14, v1)) ++ok; else ++wrong;
|
|
if (branch(15, v1)) ++ok; else ++wrong;
|
|
|
|
if (wrong != 0 || ok != 16)
|
|
printf("FAILED\n");
|
|
else
|
|
printf("OK\n");
|
|
}
|
|
|
|
void
|
|
ltr_3(void)
|
|
{
|
|
int wrong, ok, v1;
|
|
|
|
printf("Test #3 value < 0\n");
|
|
|
|
v1 = -100;
|
|
wrong = ok = 0;
|
|
if (branch(0, v1)) ++wrong; else ++ok;
|
|
if (branch(1, v1)) ++wrong; else ++ok;
|
|
if (branch(2, v1)) ++wrong; else ++ok;
|
|
if (branch(3, v1)) ++wrong; else ++ok;
|
|
if (branch(4, v1)) ++ok; else ++wrong;
|
|
if (branch(5, v1)) ++ok; else ++wrong;
|
|
if (branch(6, v1)) ++ok; else ++wrong;
|
|
if (branch(7, v1)) ++ok; else ++wrong;
|
|
if (branch(8, v1)) ++wrong; else ++ok;
|
|
if (branch(9, v1)) ++wrong; else ++ok;
|
|
if (branch(10, v1)) ++wrong; else ++ok;
|
|
if (branch(11, v1)) ++wrong; else ++ok;
|
|
if (branch(12, v1)) ++ok; else ++wrong;
|
|
if (branch(13, v1)) ++ok; else ++wrong;
|
|
if (branch(14, v1)) ++ok; else ++wrong;
|
|
if (branch(15, v1)) ++ok; else ++wrong;
|
|
|
|
if (wrong != 0 || ok != 16)
|
|
printf("FAILED\n");
|
|
else
|
|
printf("OK\n");
|
|
}
|
|
|
|
int main()
|
|
{
|
|
ltr_1();
|
|
ltr_2();
|
|
ltr_3();
|
|
return 0;
|
|
}
|