Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / um / kernel / tt / syscall_user.c

diff --git a/arch/um/kernel/tt/syscall_user.c b/arch/um/kernel/tt/syscall_user.c
index 32fbe32..902987b 100644 (file)
--- a/arch/um/kernel/tt/syscall_user.c
+++ b/arch/um/kernel/tt/syscall_user.c
@@ -6,7 +6,6 @@
 #include <unistd.h>
 #include <signal.h>
 #include <errno.h>
-#include <sys/ptrace.h>
 #include <asm/unistd.h>
 #include "sysdep/ptrace.h"
 #include "sigcontext.h"
@@ -14,35 +13,9 @@
 #include "task.h"
 #include "user_util.h"
 #include "kern_util.h"
-#include "syscall_user.h"
+#include "syscall.h"
 #include "tt.h"
 
-
-void syscall_handler_tt(int sig, union uml_pt_regs *regs)
-{
-       void *sc;
-       long result;
-       int index, syscall;
-
-       syscall = UPT_SYSCALL_NR(regs);
-       sc = UPT_SC(regs);
-       SC_START_SYSCALL(sc);
-
-       index = record_syscall_start(syscall);
-       syscall_trace(regs, 0);
-       result = execute_syscall(regs);
-
-       /* regs->sc may have changed while the system call ran (there may
-        * have been an interrupt or segfault), so it needs to be refreshed.
-        */
-       UPT_SC(regs) = sc;
-
-       SC_SET_SYSCALL_RETURN(sc, result);
-
-       syscall_trace(regs, 1);
-       record_syscall_end(index, result);
-}
-
 void do_sigtrap(void *task)
 {
        UPT_SYSCALL_NR(TASK_REGS(task)) = -1;
@@ -57,6 +30,10 @@ void do_syscall(void *task, int pid, int local_using_sysemu)
 
        UPT_SYSCALL_NR(TASK_REGS(task)) = PT_SYSCALL_NR(proc_regs);
 
+#ifdef UPT_ORIGGPR2
+        UPT_ORIGGPR2(TASK_REGS(task)) = REGS_ORIGGPR2(proc_regs);
+#endif
+
        if(((unsigned long *) PT_IP(proc_regs) >= &_stext) &&
           ((unsigned long *) PT_IP(proc_regs) <= &_etext))
                tracer_panic("I'm tracing myself and I can't get out");
@@ -66,7 +43,7 @@ void do_syscall(void *task, int pid, int local_using_sysemu)
                return;
 
        /* syscall number -1 in sysemu skips syscall restarting in host */
-       if(ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_NR_OFFSET, 
+       if(ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_NR_OFFSET,
                  local_using_sysemu ? -1 : __NR_getpid) < 0)
                tracer_panic("do_syscall : Nullifying syscall failed, "
                             "errno = %d", errno);