configure.host: Use -fno-use-divide-subroutine for mips*-*-linux*.

2004-09-03  David Daney  <ddaney@avtrex.com>

	* configure.host: Use -fno-use-divide-subroutine for mips*-*-linux*.
	* include/mips-signal.h: Added HANDLE_FPE support.

From-SVN: r87039

libjava/ChangeLog

+2004-09-03  David Daney  <ddaney@avtrex.com>
+
+	* configure.host: Use -fno-use-divide-subroutine for mips*-*-linux*.
+	* include/mips-signal.h: Added HANDLE_FPE support.
+	
 2004-08-31  Michael Koch  <konqueror@gmx.de>
 
 	* javax/swing/plaf/basic/BasicTextAreaUI.java

libjava/configure.host

@@ -227,6 +227,7 @@ EOF
   	sysdeps_dir=mips
   	can_unwind_signal=yes
 	libgcj_flags="${libgcj_flags} -mxgot"
+	DIVIDESPEC=-fno-use-divide-subroutine
 	case "${host}" in
 	    mipsel*-linux* | mipsisa32el*-linux*)
 		enable_hash_synchronization_default=yes

libjava/include/mips-signal.h

@@ -22,7 +22,7 @@ details.  */
    sys/ucontext.h included by java-signal.h from prims.cc */
 
 #define HANDLE_SEGV 1
-#undef HANDLE_FPE
+#define HANDLE_FPE 1
 
 /* The third parameter to the signal handler points to something with
  * this structure defined in asm/ucontext.h, but the name clashes with
@@ -83,7 +83,19 @@ do                                                   \
     syscall (SYS_sigaction, SIGSEGV, &kact, NULL);   \
   }                                                  \
 while (0)
-								
+
+#define INIT_FPE                                     \
+do                                                   \
+  {                                                  \
+    struct kernel_sigaction kact;                    \
+    kact.k_sa_handler = catch_fpe;                   \
+    kact.k_sa_flags = SA_SIGINFO | SA_NODEFER;       \
+    sigemptyset (&kact.k_sa_mask);                   \
+    syscall (SYS_sigaction, SIGFPE, &kact, NULL);    \
+  }                                                  \
+while (0)
+
+#undef HANDLE_DIVIDE_OVERFLOW
 
 #endif /* JAVA_SIGNAL_H */