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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-08-02 11:52:41 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-30 22:21:37 -0400 |
| commit | a63c97a000c9c9a03372943a40c3ba8652aa0ccf (patch) | |
| tree | c2237a63149f9ac7d2479272c68a371cb21993bd | |
| parent | bfd170d56505bf21cb636b0f1f169eaa815bdfe4 (diff) | |
| download | op-kernel-dev-a63c97a000c9c9a03372943a40c3ba8652aa0ccf.zip op-kernel-dev-a63c97a000c9c9a03372943a40c3ba8652aa0ccf.tar.gz | |
arm: get rid of execve wrapper, switch to generic execve() implementation
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/arm/include/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/calls.S | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/sys_arm.c | 20 |
4 files changed, 2 insertions, 26 deletions
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 2c9b7a8..6a70aa4 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -469,6 +469,7 @@ #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_SOCKETCALL #endif +#define __ARCH_WANT_SYS_EXECVE #define __ARCH_WANT_KERNEL_EXECVE /* diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 463ff4a..b287b35 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -20,7 +20,7 @@ CALL(sys_creat) CALL(sys_link) /* 10 */ CALL(sys_unlink) - CALL(sys_execve_wrapper) + CALL(sys_execve) CALL(sys_chdir) CALL(OBSOLETE(sys_time)) /* used by libc4 */ CALL(sys_mknod) diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 4a6e46a..ed79412 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -532,11 +532,6 @@ sys_vfork_wrapper: b sys_vfork ENDPROC(sys_vfork_wrapper) -sys_execve_wrapper: - add r3, sp, #S_OFF - b sys_execve -ENDPROC(sys_execve_wrapper) - sys_clone_wrapper: add ip, sp, #S_OFF str ip, [sp, #4] diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index c8e729ef..c2a898a 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -59,26 +59,6 @@ asmlinkage int sys_vfork(struct pt_regs *regs) return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL); } -/* sys_execve() executes a new program. - * This is called indirectly via a small wrapper - */ -asmlinkage int sys_execve(const char __user *filenamei, - const char __user *const __user *argv, - const char __user *const __user *envp, struct pt_regs *regs) -{ - int error; - char * filename; - - filename = getname(filenamei); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - error = do_execve(filename, argv, envp, regs); - putname(filename); -out: - return error; -} - /* * Since loff_t is a 64 bit type we avoid a lot of ABI hassle * with a different argument ordering. |
