X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fsunos-os.c;h=fdf5a086d9ea3cf924d11a359b78acd48b5d7986;hb=1f23c9f7828d8aebeda92c8c1126114e10461ffa;hp=5e721f96cef8cfbf1df21b17942ccef8f6c453f0;hpb=2f5fe7a459a3c6a5afcb7b2496552af56feaf8b7;p=sbcl.git

diff --git a/src/runtime/sunos-os.c b/src/runtime/sunos-os.c
index 5e721f9..fdf5a08 100644
--- a/src/runtime/sunos-os.c
+++ b/src/runtime/sunos-os.c
@@ -8,13 +8,13 @@
 #include <sys/param.h>
 #include <sys/utsname.h>
 
+#include "sbcl.h"
 #include "os.h"
 #include "arch.h"
 #include "interr.h"
 #include "interrupt.h"
 #include "globals.h"
 #include "validate.h"
-#include "sbcl.h"
 #include "target-arch-os.h"
 
 #define OS_VM_DEFAULT_PAGESIZE 8192
@@ -50,9 +50,11 @@ void os_init(void)
 	lose("sunos major version=%d (which isn't 5!)", major_version);
     }
     minor_version = atoi(name.release+2);
-    if ((minor_version == 8) || (minor_version == 9)) {
+    if ((minor_version == 8) || 
+	(minor_version == 9) || 
+	(minor_version == 10)) {
 	KLUDGE_MAYBE_MAP_ANON = 0x100;
-    } else if (minor_version > 9) {
+    } else if (minor_version > 10) {
 	FSHOW((stderr, "os_init: Solaris version greater than 9?\nUnknown MAP_ANON behaviour.\n"));
 	lose("Unknown mmap() interaction with MAP_ANON");
     } else { /* minor_version < 8 */
@@ -150,21 +152,28 @@ boolean is_valid_lisp_addr(os_vm_address_t addr)
        
        Just assume address is valid if it lies within one of the known
        spaces.  (Unlike sunos-os which keeps track of every valid page.) */
-    return (   in_range_p(addr, READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE)
-	       || in_range_p(addr, STATIC_SPACE_START   , STATIC_SPACE_SIZE   )
-	       || in_range_p(addr, DYNAMIC_0_SPACE_START, DYNAMIC_SPACE_SIZE  )
-	       || in_range_p(addr, DYNAMIC_1_SPACE_START, DYNAMIC_SPACE_SIZE  )
-	       || in_range_p(addr, CONTROL_STACK_START  , CONTROL_STACK_SIZE  )
-	       || in_range_p(addr, BINDING_STACK_START  , BINDING_STACK_SIZE  ));
+    
+    /* FIXME: this looks like a valid definition for all targets with
+       cheney-gc; it may not be impressively smart (witness the
+       comment above) but maybe associating these functions with the
+       GC rather than the OS would be a maintainability win.  -- CSR,
+       2003-04-04 */
+    struct thread *th;
+    if(in_range_p(addr, READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE) ||
+       in_range_p(addr, STATIC_SPACE_START   , STATIC_SPACE_SIZE) ||
+       in_range_p(addr, DYNAMIC_0_SPACE_START, DYNAMIC_SPACE_SIZE) ||
+       in_range_p(addr, DYNAMIC_1_SPACE_START, DYNAMIC_SPACE_SIZE))
+	return 1;
+    for_each_thread(th) {
+	if((th->control_stack_start <= addr) && (addr < th->control_stack_end))
+	    return 1;
+	if(in_range_p(addr, th->binding_stack_start, BINDING_STACK_SIZE))
+	    return 1;
+    }
+    return 0;
 }
-
 
 
-#if defined GENCGC
-
-#error "GENCGC is not yet supported (presumably on x86 solaris?)"
-
-#else
 
 static void
 sigsegv_handler(int signal, siginfo_t *info, void* void_context)
@@ -173,17 +182,15 @@ sigsegv_handler(int signal, siginfo_t *info, void* void_context)
     os_vm_address_t addr;
 
     addr = arch_get_bad_addr(signal, info, context);
-    /* There's some complicated recovery code in linux-os.c here
-       that I'm currently too confused to understand. FIXME. */
     if(!interrupt_maybe_gc(signal, info, context)) {
-	interrupt_handle_now(signal, info, context);
+	if(!handle_guard_page_triggered(context,addr))
+	    interrupt_handle_now(signal, info, context);
     }
 }
 
-#endif
-
 void
 os_install_interrupt_handlers()
 {
-    undoably_install_low_level_interrupt_handler(SIGSEGV,sigsegv_handler);
+    undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT,
+						 sigsegv_handler);
 }