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re PR bootstrap/6525 (libjava won't build on Red Hat Linux 6.2/sparc)

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2002-05-02  David S. Miller  <davem@redhat.com>

	PR bootstrap/6525
	* include/dwarf2-signal.h (INIT_SEGV, INIT_FPE): Don't use
	__libc_sigaction on Sparc.

From-SVN: r53055
This commit is contained in:
David S. Miller 2002-05-02 10:54:24 -07:00 committed by David S. Miller
parent 1b6763cfb5
commit fd84ba84a7
2 changed files with 94 additions and 2 deletions
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6
libjava/ChangeLog
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@ -1,3 +1,9 @@
2002-05-02 David S. Miller <davem@redhat.com>
PR bootstrap/6525
* include/dwarf2-signal.h (INIT_SEGV, INIT_FPE): Don't use
__libc_sigaction on Sparc.
2002-05-02 Jerome Marc <marcjero@yahoo.com>
* java/net/natPlainSocketImpl.cc: Include sys/ioctl.h and

90
libjava/include/dwarf2-signal.h
View File

@ -122,7 +122,93 @@ do \
while (0)
#endif
#if !(defined(__ia64__) || defined(__sparc__))
#if defined(__sparc__)
#if defined(__arch64__)
extern "C" {
static void __rt_sigreturn_stub(void)
{
__asm__("mov %0, %%g1\n\t"
"ta 0x6d\n\t"
: /* no outputs */
: "i" (__NR_rt_sigreturn));
}
struct kernel_sigaction
{
void (*k_sa_sigaction)(int,siginfo_t *,void *);
unsigned long k_sa_flags;
void (*k_sa_restorer)(void);
sigset_t k_sa_mask;
};
}
#define INIT_SEGV \
do \
{ \
nullp = new java::lang::NullPointerException (); \
struct kernel_sigaction act; \
unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \
act.k_sa_sigaction = _Jv_catch_segv; \
sigemptyset (&act.k_sa_mask); \
act.k_sa_flags = SA_SIGINFO; \
act.k_sa_restorer = NULL; \
syscall (SYS_rt_sigaction, SIGSEGV, &act, NULL, \
stub - 8, _NSIG / 8); \
} \
while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct kernel_sigaction act; \
unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \
act.k_sa_sigaction = _Jv_catch_fpe; \
sigemptyset (&act.k_sa_mask); \
act.k_sa_flags = SA_SIGINFO; \
act.k_sa_restorer = NULL; \
syscall (SYS_rt_sigaction, SIGFPE, &act, NULL, \
stub - 8, _NSIG / 8); \
} \
while (0)
#else /* __arch64__ */
extern "C" {
struct kernel_sigaction
{
void (*k_sa_sigaction)(int,siginfo_t *,void *);
unsigned long k_sa_mask, k_sa_flags;
void (*k_sa_restorer)(void);
};
}
#define INIT_SEGV \
do \
{ \
struct kernel_sigaction act; \
nullp = new java::lang::NullPointerException (); \
act.k_sa_sigaction = _Jv_catch_segv; \
act.k_sa_mask = 0; \
act.k_sa_flags = SA_SIGINFO; \
act.k_sa_restorer = NULL; \
syscall (SYS_sigaction, -SIGSEGV, &act, NULL); \
} \
while (0)
#define INIT_FPE \
do \
{ \
arithexception = new java::lang::ArithmeticException \
(JvNewStringLatin1 ("/ by zero")); \
struct kernel_sigaction act; \
act.k_sa_sigaction = _Jv_catch_fpe; \
act.k_sa_mask = 0; \
act.k_sa_flags = SA_SIGINFO; \
act.k_sa_restorer = NULL; \
syscall (SYS_sigaction, -SIGFPE, &act, NULL); \
} \
while (0)
#endif
#elif !defined(__ia64__)
#define INIT_SEGV \
do \
{ \
@ -155,7 +241,7 @@ while (0)
* go away once all systems have pthreads libraries that are
* compiled with full unwind info. */
#else /* __ia64__ || __sparc__ */
#else /* __ia64__ */
// FIXME: We shouldn't be using libc_sigaction here, since it should
// be glibc private. But using syscall here would mean translating to