sparc: hook up execveat system call

Signed-off-by: David Drysdale <drysdale@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 15 insertions, 1 deletions

diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index 46d83842eddc..6f35f4df17f2 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -415,8 +415,9 @@
 #define __NR_getrandom          347
 #define __NR_memfd_create       348
 #define __NR_bpf                349
+#define __NR_execveat           350
 
-#define NR_syscalls             350
+#define NR_syscalls             351
 
 /* Bitmask values returned from kern_features system call.  */
 #define KERN_FEATURE_MIXED_MODE_STACK   0x00000001
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index 33a17e7b3ccd..bb0008927598 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -6,6 +6,11 @@ sys64_execve:
         jmpl    %g1, %g0
          flushw
 
+sys64_execveat:
+        set     sys_execveat, %g1
+        jmpl    %g1, %g0
+         flushw
+
 #ifdef CONFIG_COMPAT
 sunos_execv:
         mov     %g0, %o2
@@ -13,6 +18,11 @@ sys32_execve:
         set     compat_sys_execve, %g1
         jmpl    %g1, %g0
          flushw
+
+sys32_execveat:
+        set     compat_sys_execveat, %g1
+        jmpl    %g1, %g0
+         flushw
 #endif
 
         .align  32
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index ad0cdf497b78..e31a9056a303 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -87,3 +87,4 @@ sys_call_table:
 /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
+/*350*/ .long sys_execveat
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 580cde9370c9..d72f76ae70eb 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -88,6 +88,7 @@ sys_call_table32:
         .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
 /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
         .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
+/*350*/ .word sys32_execveat
 
 #endif /* CONFIG_COMPAT */
 
@@ -167,3 +168,4 @@ sys_call_table:
         .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
         .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
+/*350*/ .word sys64_execveat