struct utsname name;
int major_version;
int minor_version;
+ int patch_version;
char *p;
uname(&name);
p=name.release;
major_version = atoi(p);
p=strchr(p,'.')+1;
minor_version = atoi(p);
+ p=strchr(p,'.')+1;
+ patch_version = atoi(p);
if (major_version<2) {
- lose("linux kernel version too old: major version=%d (can't run in version < 2.0.0)",
+ lose("linux kernel version too old: major version=%d (can't run in version < 2.0.0)\n",
major_version);
}
if (!(major_version>2 || minor_version >= 4)) {
#ifdef LISP_FEATURE_SB_THREAD
futex_wait(futex,-1);
if(errno==ENOSYS) {
- lose("This version of SBCL is compiled with threading support, but your kernel is too old to support this.\n\
-Please use a more recent kernel or a version of SBCL without threading support.\n");
+ lose("This version of SBCL is compiled with threading support, but your kernel\n"
+ "is too old to support this. Please use a more recent kernel or\n"
+ "a version of SBCL without threading support.\n");
}
if(! isnptl()) {
- lose("This version of SBCL only works correctly with the NPTL threading library. Please use a newer glibc, use an older SBCL, or stop using LD_ASSUME_KERNEL");
+ lose("This version of SBCL only works correctly with the NPTL threading\n"
+ "library. Please use a newer glibc, use an older SBCL, or stop using\n"
+ "LD_ASSUME_KERNEL\n");
}
#endif
os_vm_page_size = getpagesize();
* don't do this trick on other platforms.
*/
#ifdef LISP_FEATURE_X86
- if ((major_version == 2 && minor_version >= 6)
+ if ((major_version == 2
+ /* Some old kernels will apparently lose unsupported personality flags
+ * on exec() */
+ && ((minor_version == 6 && patch_version >= 11)
+ || (minor_version > 6)))
|| major_version >= 3)
{
int pers = personality(0xffffffffUL);
fd, (off_t) offset);
if (actual == MAP_FAILED || (addr && (addr != actual))) {
perror("mmap");
- lose("unexpected mmap(..) failure");
+ lose("unexpected mmap(..) failure\n");
}
return actual;
* any OS-dependent special low-level handling for signals
*/
-
-#if defined LISP_FEATURE_GENCGC
-
/*
- * The GENCGC needs to be hooked into whatever signal is raised for
+ * The GC needs to be hooked into whatever signal is raised for
* page fault on this OS.
*/
static void
sigsegv_handler(int signal, siginfo_t *info, void* void_context)
{
os_context_t *context = arch_os_get_context(&void_context);
- void* fault_addr = (void*)info->si_addr;
- if (!gencgc_handle_wp_violation(fault_addr))
- if(!handle_guard_page_triggered(context,fault_addr))
-#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
- arrange_return_to_lisp_function(context, SymbolFunction(MEMORY_FAULT_ERROR));
-#else
- interrupt_handle_now(signal, info, context);
-#endif
-}
-
-#else
-
-static void
-sigsegv_handler(int signal, siginfo_t *info, void* void_context)
-{
- os_context_t *context = arch_os_get_context(&void_context);
- os_vm_address_t addr = arch_get_bad_addr(signal,info,context);
+ os_vm_address_t addr = arch_get_bad_addr(signal, info, context);
#ifdef LISP_FEATURE_ALPHA
/* Alpha stuff: This is the end of a pseudo-atomic section during
At the end of the atomic section we tried to write to reg_ALLOC,
got a SIGSEGV (there's nothing mapped there) so ended up here. */
if (addr != NULL &&
- *os_context_register_addr(context,reg_ALLOC) & (1L<<63)){
- *os_context_register_addr(context,reg_ALLOC) -= (1L<<63);
+ *os_context_register_addr(context, reg_ALLOC) & (1L<<63)) {
+ *os_context_register_addr(context, reg_ALLOC) -= (1L<<63);
interrupt_handle_pending(context);
return;
}
#endif
- if(!interrupt_maybe_gc(signal, info, context))
- if(!handle_guard_page_triggered(context,addr))
+#ifdef LISP_FEATURE_GENCGC
+ if (!gencgc_handle_wp_violation(addr))
+#else
+ if (!interrupt_maybe_gc(signal, info, context))
+#endif
+ if (!handle_guard_page_triggered(context, addr))
+#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
+ arrange_return_to_lisp_function(context, SymbolFunction(MEMORY_FAULT_ERROR));
+#else
interrupt_handle_now(signal, info, context);
-}
#endif
+}
void
os_install_interrupt_handlers(void)