parisc: switch to generic sys_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index 447e03c..b9e39f3 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -996,6 +996,7 @@
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_KERNEL_EXECVE
+#define __ARCH_WANT_SYS_EXECVE
#endif /* __ASSEMBLY__ */
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index a26917d..7d22e97 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1804,52 +1804,6 @@
ENDPROC(sys_vfork_wrapper)
- .macro execve_wrapper execve
- LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
- ldo TASK_REGS(%r1),%r1 /* get pt regs */
-
- /*
- * Do we need to save/restore r3-r18 here?
- * I don't think so. why would new thread need old
- * threads registers?
- */
-
- /* %arg0 - %arg3 are already saved for us. */
-
- STREG %r2,-RP_OFFSET(%r30)
- ldo FRAME_SIZE(%r30),%r30
-#ifdef CONFIG_64BIT
- ldo -16(%r30),%r29 /* Reference param save area */
-#endif
- BL \execve,%r2
- copy %r1,%arg0
-
- ldo -FRAME_SIZE(%r30),%r30
- LDREG -RP_OFFSET(%r30),%r2
-
- /* If exec succeeded we need to load the args */
-
- ldo -1024(%r0),%r1
- cmpb,>>= %r28,%r1,error_\execve
- copy %r2,%r19
-
-error_\execve:
- bv %r0(%r19)
- nop
- .endm
-
- .import sys_execve
-ENTRY(sys_execve_wrapper)
- execve_wrapper sys_execve
-ENDPROC(sys_execve_wrapper)
-
-#ifdef CONFIG_64BIT
- .import sys32_execve
-ENTRY(sys32_execve_wrapper)
- execve_wrapper sys32_execve
-ENDPROC(sys32_execve_wrapper)
-#endif
-
ENTRY(sys_rt_sigreturn_wrapper)
LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26
ldo TASK_REGS(%r26),%r26 /* get pt regs */
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index f3f6408..44e8534 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -314,29 +314,6 @@
return t->thread.regs.kpc;
}
-/*
- * sys_execve() executes a new program.
- */
-
-asmlinkage int sys_execve(struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname((const char __user *) regs->gr[26]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- error = do_execve(filename->name,
- (const char __user *const __user *) regs->gr[25],
- (const char __user *const __user *) regs->gr[24],
- regs);
- putname(filename);
-out:
-
- return error;
-}
-
unsigned long
get_wchan(struct task_struct *p)
{
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index bf5b93a..9cfdaa1 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -53,28 +53,6 @@
#define DBG(x)
#endif
-/*
- * sys32_execve() executes a new program.
- */
-
-asmlinkage int sys32_execve(struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- DBG(("sys32_execve(%p) r26 = 0x%lx\n", regs, regs->gr[26]));
- filename = getname((const char __user *) regs->gr[26]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
- error = compat_do_execve(filename->name, compat_ptr(regs->gr[25]),
- compat_ptr(regs->gr[24]), regs);
- putname(filename);
-out:
-
- return error;
-}
-
asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
int r22, int r21, int r20)
{
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 3735abd7..cb2da96 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -66,7 +66,7 @@
ENTRY_SAME(creat)
ENTRY_SAME(link)
ENTRY_SAME(unlink) /* 10 */
- ENTRY_DIFF(execve_wrapper)
+ ENTRY_COMP(execve)
ENTRY_SAME(chdir)
/* See comments in kernel/time.c!!! Maybe we don't need this? */
ENTRY_COMP(time)