Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-drm-fsl-dcu.git] / arch / um / os-Linux / util.c

diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index c47a2a7ce70e75614e425e7270b2e1364188b67d..c307a89ed2598cef9a0c619cc8576e353115aa54 100644 (file)
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -7,7 +7,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <limits.h>
-#include <setjmp.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/utsname.h>
@@ -22,7 +21,6 @@
 #include <sched.h>
 #include <termios.h>
 #include <string.h>
-#include "user_util.h"
 #include "kern_util.h"
 #include "user.h"
 #include "mem_user.h"
@@ -31,28 +29,29 @@
 #include "uml-config.h"
 #include "os.h"
 #include "longjmp.h"
+#include "kern_constants.h"
 
 void stack_protections(unsigned long address)
 {
        int prot = PROT_READ | PROT_WRITE | PROT_EXEC;
 
-       if(mprotect((void *) address, page_size(), prot) < 0)
+       if(mprotect((void *) address, UM_KERN_PAGE_SIZE, prot) < 0)
                panic("protecting stack failed, errno = %d", errno);
 }
 
 void task_protections(unsigned long address)
 {
-       unsigned long guard = address + page_size();
-       unsigned long stack = guard + page_size();
+       unsigned long guard = address + UM_KERN_PAGE_SIZE;
+       unsigned long stack = guard + UM_KERN_PAGE_SIZE;
        int prot = 0, pages;
 
 #ifdef notdef
-       if(mprotect((void *) stack, page_size(), prot) < 0)
+       if(mprotect((void *) stack, UM_KERN_PAGE_SIZE, prot) < 0)
                panic("protecting guard page failed, errno = %d", errno);
 #endif
        pages = (1 << UML_CONFIG_KERNEL_STACK_ORDER) - 2;
        prot = PROT_READ | PROT_WRITE | PROT_EXEC;
-       if(mprotect((void *) stack, pages * page_size(), prot) < 0)
+       if(mprotect((void *) stack, pages * UM_KERN_PAGE_SIZE, prot) < 0)
                panic("protecting stack failed, errno = %d", errno);
 }
 
@@ -81,24 +80,29 @@ void setup_machinename(char *machine_out)
        struct utsname host;
 
        uname(&host);
-#if defined(UML_CONFIG_UML_X86) && !defined(UML_CONFIG_64BIT)
+#ifdef UML_CONFIG_UML_X86
+# ifndef UML_CONFIG_64BIT
        if (!strcmp(host.machine, "x86_64")) {
                strcpy(machine_out, "i686");
                return;
        }
+# else
+       if (!strcmp(host.machine, "i686")) {
+               strcpy(machine_out, "x86_64");
+               return;
+       }
+# endif
 #endif
        strcpy(machine_out, host.machine);
 }
 
-char host_info[(_UTSNAME_LENGTH + 1) * 4 + _UTSNAME_NODENAME_LENGTH + 1];
-
-void setup_hostinfo(void)
+void setup_hostinfo(char *buf, int len)
 {
        struct utsname host;
 
        uname(&host);
-       sprintf(host_info, "%s %s %s %s %s", host.sysname, host.nodename,
-               host.release, host.version, host.machine);
+       snprintf(buf, len, "%s %s %s %s %s", host.sysname, host.nodename,
+                host.release, host.version, host.machine);
 }
 
 int setjmp_wrapper(void (*proc)(void *, void *), ...)
@@ -107,11 +111,17 @@ int setjmp_wrapper(void (*proc)(void *, void *), ...)
        jmp_buf buf;
        int n;
 
-       n = sigsetjmp(buf, 1);
+       n = UML_SETJMP(&buf);
        if(n == 0){
                va_start(args, proc);
                (*proc)(&buf, &args);
        }
        va_end(args);
-       return(n);
+       return n;
+}
+
+void os_dump_core(void)
+{
+       signal(SIGSEGV, SIG_DFL);
+       abort();
 }