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armv7m-1.c: New test.

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gcc/testsuite/
	* g++.dg/other/armv7m-1.c: New test.

From-SVN: r189784
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Paul Brook 2012-07-23 14:24:31 +00:00 committed by Julian Brown
parent afa6353225
commit 87d84e1eb6
2 changed files with 73 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2012-07-23 Paul Brook <paul@codesourcery.com>
* g++.dg/other/armv7m-1.c: New test.
2012-07-23 Julian Brown <julian@codesourcery.com>
* gcc.c-torture/execute/20101011-1.c (__aeabi_idiv0): Define for

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gcc/testsuite/g++.dg/other/armv7m-1.C Normal file
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/* { dg-do run { target arm*-*-* } } */
/* Test Armv7m interrupt routines. */
#include <stdlib.h>
#ifdef __ARM_ARCH_7M__
void __attribute__((interrupt))
foo(void)
{
long long n;
long p;
asm volatile ("" : "=r" (p) : "0" (&n));
if (p & 4)
abort ();
return;
}
void __attribute__((interrupt))
bar(void)
{
throw 42;
}
int main()
{
int a;
int before;
int after;
volatile register int sp asm("sp");
asm volatile ("mov %0, sp\n"
"blx %2\n"
"mov %1, sp\n"
: "=&r" (before), "=r" (after) : "r" (foo)
: "memory", "cc", "r0", "r1", "r2", "r3", "ip", "lr");
if (before != after)
abort();
asm volatile ("mov %0, sp\n"
"sub sp, sp, #4\n"
"blx %2\n"
"add sp, sp, #4\n"
"mov %1, sp\n"
: "=&r" (before), "=r" (after) : "r" (foo)
: "memory", "cc", "r0", "r1", "r2", "r3", "ip", "lr");
if (before != after)
abort();
before = sp;
try
{
bar();
}
catch (int i)
{
if (i != 42)
abort();
}
catch (...)
{
abort();
}
if (before != sp)
abort();
exit(0);
}
#else
int main()
{
exit (0);
}
#endif