diff options
| author | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-02 17:54:24 +0000 |
|---|---|---|
| committer | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-05-02 17:54:24 +0000 |
| commit | 3a0bf03e10d692dab13d087a51de948bd2dccb00 (patch) | |
| tree | 6683db6eb0c740b683fcbfbbd4357eaf26089098 /libjava/include | |
| parent | 27bcd4c149c032fdb87f1763f590177c1e6e73ec (diff) | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53055 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/include')
| -rw-r--r-- | libjava/include/dwarf2-signal.h | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/libjava/include/dwarf2-signal.h b/libjava/include/dwarf2-signal.h index b7530b2cbf3..21decd5c668 100644 --- a/libjava/include/dwarf2-signal.h +++ b/libjava/include/dwarf2-signal.h @@ -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 |