tile: switch to generic sys_execve()

Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 5 insertions, 1 deletions

diff --git a/arch/tile/include/asm/elf.h b/arch/tile/include/asm/elf.h
index f8ccf08f6934..b73e1039c911 100644
--- a/arch/tile/include/asm/elf.h
+++ b/arch/tile/include/asm/elf.h
@@ -148,6 +148,7 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
 #define compat_start_thread(regs, ip, usp) do { \
                 regs->pc = ptr_to_compat_reg((void *)(ip)); \
                 regs->sp = ptr_to_compat_reg((void *)(usp)); \
+                single_step_execve();   \
         } while (0)
 
 /*
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h
index 9a83e531e843..879073e76586 100644
--- a/arch/tile/include/asm/processor.h
+++ b/arch/tile/include/asm/processor.h
@@ -211,6 +211,7 @@ static inline void start_thread(struct pt_regs *regs,
 {
         regs->pc = pc;
         regs->sp = usp;
+        single_step_execve();
 }
 
 /* Free all resources held by a thread. */
diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h
index 06f0464cfed9..0d52992f8e05 100644
--- a/arch/tile/include/asm/syscalls.h
+++ b/arch/tile/include/asm/syscalls.h
@@ -68,9 +68,10 @@ long _sys_sigaltstack(const stack_t __user *, stack_t __user *);
 long _sys_rt_sigreturn(void);
 long _sys_clone(unsigned long clone_flags, unsigned long newsp,
                 void __user *parent_tid, void __user *child_tid);
-long _sys_execve(const char __user *filename,
+long sys_execve(const char __user *filename,
                  const char __user *const __user *argv,
                  const char __user *const __user *envp);
+#define sys_execve sys_execve
 
 #include <asm-generic/syscalls.h>
 
diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h
index 6e032a0a268e..dab827dc8acb 100644
--- a/arch/tile/include/asm/unistd.h
+++ b/arch/tile/include/asm/unistd.h
@@ -16,4 +16,5 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #endif
 #define __ARCH_WANT_SYS_NEWFSTATAT
+#define __ARCH_WANT_SYS_EXECVE
 #include <uapi/asm/unistd.h>