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Commit 760f74c2 by H.J. Lu Committed by H.J. Lu
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i386: Add some naked attribute tests 

Add some tests for implementing interrupt handlers with naked attribute.

	* gcc.dg/guality/pr25967-1.c: New test.
	* gcc.dg/guality/pr25967-2.c: Likewise.
	* gcc.dg/torture/pr25967-1.c: Likewise.
	* gcc.dg/torture/pr25967-2.c: Likewise.

From-SVN: r250799
parent f4bcd9eb
Showing with 298 additions and 0 deletions
gcc/testsuite/ChangeLog
2017-08-01 H.J. Lu <hongjiu.lu@intel.com> 2017-08-01 H.J. Lu <hongjiu.lu@intel.com>
* gcc.dg/guality/pr25967-1.c: New test.
* gcc.dg/guality/pr25967-2.c: Likewise.
* gcc.dg/torture/pr25967-1.c: Likewise.
* gcc.dg/torture/pr25967-2.c: Likewise.
2017-08-01 H.J. Lu <hongjiu.lu@intel.com>
PR target/81654 PR target/81654
* gcc.target/i386/pr81654.c: New test. * gcc.target/i386/pr81654.c: New test.
......
gcc/testsuite/gcc.dg/guality/pr25967-1.c 0 → 100644
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-g -mgeneral-regs-only" } */
extern void exit (int);
typedef unsigned int uword_t __attribute__ ((mode (__word__)));
#define ERROR 0x12345670
#define IP 0x12345671
#define CS 0x12345672
#define FLAGS 0x12345673
#define SP 0x12345674
#define SS 0x12345675
#ifdef __x86_64__
# define STACK_POINTER "rsp"
# define WORD_SIZE "8"
#else
# define STACK_POINTER "esp"
# define WORD_SIZE "4"
#endif
#define STRING(x) XSTRING(x)
#define XSTRING(x) #x
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
#define ASMNAME2(prefix, cname) XSTRING (prefix) cname
struct interrupt_frame
{
uword_t ip;
uword_t cs;
uword_t flags;
uword_t sp;
uword_t ss;
};
__attribute__((naked, used))
void
fn (void)
{
struct interrupt_frame *frame;
uword_t error;
asm volatile ("lea " WORD_SIZE "(%%" STACK_POINTER "), %0\n\t"
"mov (%%" STACK_POINTER "), %1"
: "=r" (frame), "=r" (error) :);
if (ERROR != error) /* BREAK */
__builtin_abort ();
if (IP != frame->ip)
__builtin_abort ();
if (CS != frame->cs)
__builtin_abort ();
if (FLAGS != frame->flags)
__builtin_abort ();
if (SP != frame->sp)
__builtin_abort ();
if (SS != frame->ss)
__builtin_abort ();
exit (0);
}
int
main ()
{
asm ("push $" STRING (SS) "; \
push $" STRING (SP) "; \
push $" STRING (FLAGS) "; \
push $" STRING (CS) "; \
push $" STRING (IP) "; \
push $" STRING (ERROR) "; \
jmp " ASMNAME ("fn"));
return 0;
}
/* { dg-final { gdb-test 46 "error" "0x12345670" } } */
/* { dg-final { gdb-test 46 "frame->ip" "0x12345671" } } */
/* { dg-final { gdb-test 46 "frame->cs" "0x12345672" } } */
/* { dg-final { gdb-test 46 "frame->flags" "0x12345673" } } */
/* { dg-final { gdb-test 46 "frame->sp" "0x12345674" } } */
/* { dg-final { gdb-test 46 "frame->ss" "0x12345675" } } */
gcc/testsuite/gcc.dg/guality/pr25967-2.c 0 → 100644
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-g -mgeneral-regs-only" } */
extern void exit (int);
typedef unsigned int uword_t __attribute__ ((mode (__word__)));
#define IP 0x12345671
#define CS 0x12345672
#define FLAGS 0x12345673
#define SP 0x12345674
#define SS 0x12345675
#ifdef __x86_64__
# define STACK_POINTER "rsp"
# define WORD_SIZE "8"
#else
# define STACK_POINTER "esp"
# define WORD_SIZE "4"
#endif
#define STRING(x) XSTRING(x)
#define XSTRING(x) #x
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
#define ASMNAME2(prefix, cname) XSTRING (prefix) cname
struct interrupt_frame
{
uword_t ip;
uword_t cs;
uword_t flags;
uword_t sp;
uword_t ss;
};
__attribute__((naked, used))
void
fn (void)
{
struct interrupt_frame *frame;
asm volatile ("lea (%%" STACK_POINTER "), %0" : "=r" (frame) : );
if (IP != frame->ip) /* BREAK */
__builtin_abort ();
if (CS != frame->cs)
__builtin_abort ();
if (FLAGS != frame->flags)
__builtin_abort ();
if (SP != frame->sp)
__builtin_abort ();
if (SS != frame->ss)
__builtin_abort ();
exit (0);
}
int
main ()
{
asm ("push $" STRING (SS) "; \
push $" STRING (SP) "; \
push $" STRING (FLAGS) "; \
push $" STRING (CS) "; \
push $" STRING (IP) "; \
jmp " ASMNAME ("fn"));
return 0;
}
/* { dg-final { gdb-test 42 "frame->ip" "0x12345671" } } */
/* { dg-final { gdb-test 42 "frame->cs" "0x12345672" } } */
/* { dg-final { gdb-test 42 "frame->flags" "0x12345673" } } */
/* { dg-final { gdb-test 42 "frame->sp" "0x12345674" } } */
/* { dg-final { gdb-test 42 "frame->ss" "0x12345675" } } */
gcc/testsuite/gcc.dg/torture/pr25967-1.c 0 → 100644
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-mgeneral-regs-only" } */
extern void exit (int);
typedef unsigned int uword_t __attribute__ ((mode (__word__)));
#define ERROR 0x12345670
#define IP 0x12345671
#define CS 0x12345672
#define FLAGS 0x12345673
#define SP 0x12345674
#define SS 0x12345675
#ifdef __x86_64__
# define STACK_POINTER "rsp"
# define WORD_SIZE "8"
#else
# define STACK_POINTER "esp"
# define WORD_SIZE "4"
#endif
#define STRING(x) XSTRING(x)
#define XSTRING(x) #x
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
#define ASMNAME2(prefix, cname) XSTRING (prefix) cname
struct interrupt_frame
{
uword_t ip;
uword_t cs;
uword_t flags;
uword_t sp;
uword_t ss;
};
__attribute__((naked, used))
void
fn (void)
{
struct interrupt_frame *frame;
uword_t error;
asm volatile ("lea " WORD_SIZE "(%%" STACK_POINTER "), %0\n\t"
"mov (%%" STACK_POINTER "), %1"
: "=r" (frame), "=r" (error) :);
if (ERROR != error)
__builtin_abort ();
if (IP != frame->ip)
__builtin_abort ();
if (CS != frame->cs)
__builtin_abort ();
if (FLAGS != frame->flags)
__builtin_abort ();
if (SP != frame->sp)
__builtin_abort ();
if (SS != frame->ss)
__builtin_abort ();
exit (0);
}
int
main ()
{
asm ("push $" STRING (SS) "; \
push $" STRING (SP) "; \
push $" STRING (FLAGS) "; \
push $" STRING (CS) "; \
push $" STRING (IP) "; \
push $" STRING (ERROR) "; \
jmp " ASMNAME ("fn"));
return 0;
}
gcc/testsuite/gcc.dg/torture/pr25967-2.c 0 → 100644
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-mgeneral-regs-only" } */
extern void exit (int);
typedef unsigned int uword_t __attribute__ ((mode (__word__)));
#define IP 0x12345671
#define CS 0x12345672
#define FLAGS 0x12345673
#define SP 0x12345674
#define SS 0x12345675
#ifdef __x86_64__
# define STACK_POINTER "rsp"
# define WORD_SIZE "8"
#else
# define STACK_POINTER "esp"
# define WORD_SIZE "4"
#endif
#define STRING(x) XSTRING(x)
#define XSTRING(x) #x
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
#define ASMNAME2(prefix, cname) XSTRING (prefix) cname
struct interrupt_frame
{
uword_t ip;
uword_t cs;
uword_t flags;
uword_t sp;
uword_t ss;
};
__attribute__((naked, used))
void
fn (void)
{
struct interrupt_frame *frame;
asm volatile ("lea (%%" STACK_POINTER "), %0" : "=r" (frame) : );
if (IP != frame->ip)
__builtin_abort ();
if (CS != frame->cs)
__builtin_abort ();
if (FLAGS != frame->flags)
__builtin_abort ();
if (SP != frame->sp)
__builtin_abort ();
if (SS != frame->ss)
__builtin_abort ();
exit (0);
}
int
main ()
{
asm ("push $" STRING (SS) "; \
push $" STRING (SP) "; \
push $" STRING (FLAGS) "; \
push $" STRING (CS) "; \
push $" STRING (IP) "; \
jmp " ASMNAME ("fn"));
return 0;
}
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