Viewing file:  tiny-progmem.c (1.83 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-Wl,--defsym,test6_xdata=0" } */
#ifdef __AVR_TINY__
#define PM __attribute__((__progmem__))
#else
/* On general core, just resort to vanilla C. */
#define PM /* Empty */
#endif
#define PSTR(s) (__extension__({ static const char __c[] PM = (s); &__c[0];}))
#define NI __attribute__((noinline,noclone))
const volatile int data[] PM = { 1234, 5678 };
const volatile int * volatile pdata = &data[1];
int ram[2];
const int myvar PM = 42;
extern const int xvar __asm ("myvar") PM;
NI int const volatile* get_addr_1 (void)
{
return &data[1];
}
NI int const volatile* get_addr_x (int x)
{
return &data[x];
}
void test_1 (void)
{
if (data[0] != 1234)
__builtin_abort();
if (data[1] != 5678)
__builtin_abort();
}
void test_2 (void)
{
if (data[1] != 5678)
__builtin_abort();
}
void test_3 (void)
{
if (&data[1] != pdata)
__builtin_abort();
}
void test_4 (void)
{
if (5678 != *get_addr_1())
__builtin_abort();
if (5678 != *get_addr_x(1))
__builtin_abort();
}
void test_5 (void)
{
__builtin_memcpy (&ram, (void*) &data, 4);
if (ram[0] - ram[1] != 1234 - 5678)
__builtin_abort();
}
const char pmSTR[] PM = "01234";
NI const char* get_pmSTR (int i)
{
return pmSTR + 2 + i;
}
void test_6 (void)
{
#ifdef __AVR_TINY__
extern const int test6_xdata PM;
const char* str = PSTR ("Hallo");
if (0 == (__AVR_TINY_PM_BASE_ADDRESS__ & (__UINTPTR_TYPE__) str))
__builtin_abort();
if (0 == (__AVR_TINY_PM_BASE_ADDRESS__ & (__UINTPTR_TYPE__) test6_xdata))
__builtin_abort();
#endif
if (get_pmSTR (0)[0] != '0' + 2)
__builtin_abort();
if (get_pmSTR (1)[0] != '1' + 2)
__builtin_abort();
}
void test_7 (void)
{
if (xvar != 42)
__builtin_abort();
}
int main()
{
test_1();
test_2();
test_3();
test_4();
test_5();
test_6();
test_7();
return 0;
}
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