add syscall numbers for the new execveat syscall

this syscall allows fexecve to be implemented without /proc, it is new
in linux v3.19, added in commit 51f39a1f0cea1cacf8c787f652f26dfee9611874
(sh and microblaze do not have allocated syscall numbers yet)

added a x32 fix as well: the io_setup and io_submit syscalls are no
longer common with x86_64, so use the x32 specific numbers.

arch/arm/bits/syscall.h

@@ -340,6 +340,7 @@
 #define __NR_getrandom	384
 #define __NR_memfd_create	385
 #define __NR_bpf	386
+#define __NR_execveat	387
 
 #define __ARM_NR_breakpoint	0x0f0001
 #define __ARM_NR_cacheflush	0x0f0002
@@ -691,3 +692,4 @@
 #define SYS_getrandom	384
 #define SYS_memfd_create	385
 #define SYS_bpf	386
+#define SYS_execveat	387

arch/i386/bits/syscall.h

@@ -356,6 +356,7 @@
 #define __NR_getrandom		355
 #define __NR_memfd_create	356
 #define __NR_bpf		357
+#define __NR_execveat		358
 
 
 /* Repeated with SYS_ prefix */
@@ -718,3 +719,4 @@
 #define SYS_getrandom		355
 #define SYS_memfd_create	356
 #define SYS_bpf			357
+#define SYS_execveat		358

arch/mips/bits/syscall.h

@@ -353,6 +353,7 @@
 #define __NR_getrandom               4353
 #define __NR_memfd_create            4354
 #define __NR_bpf                     4355
+#define __NR_execveat                4356
 
 
 /* Repeated with SYS_ prefix */
@@ -711,3 +712,4 @@
 #define SYS_getrandom               4353
 #define SYS_memfd_create            4354
 #define SYS_bpf                     4355
+#define SYS_execveat                4356

arch/or1k/bits/syscall.h

@@ -264,6 +264,7 @@
 #define __NR_getrandom 278
 #define __NR_memfd_create 279
 #define __NR_bpf 280
+#define __NR_execveat 281
 
 #define SYS_io_setup __NR_io_setup
 #define SYS_io_destroy __NR_io_destroy
@@ -531,3 +532,4 @@
 #define SYS_getrandom __NR_getrandom
 #define SYS_memfd_create __NR_memfd_create
 #define SYS_bpf __NR_bpf
+#define SYS_execveat __NR_execveat

arch/powerpc/bits/syscall.h

@@ -375,6 +375,7 @@
 #define __NR_getrandom             359
 #define __NR_memfd_create          360
 #define __NR_bpf                   361
+#define __NR_execveat              362
 
 /*
  * repeated with SYS prefix
@@ -756,3 +757,4 @@
 #define SYS_getrandom             359
 #define SYS_memfd_create          360
 #define SYS_bpf                   361
+#define SYS_execveat              362

arch/x32/bits/syscall.h

@@ -182,10 +182,8 @@
 #define __NR_futex (__X32_SYSCALL_BIT + 202)
 #define __NR_sched_setaffinity (__X32_SYSCALL_BIT + 203)
 #define __NR_sched_getaffinity (__X32_SYSCALL_BIT + 204)
-#define __NR_io_setup (__X32_SYSCALL_BIT + 206)
 #define __NR_io_destroy (__X32_SYSCALL_BIT + 207)
 #define __NR_io_getevents (__X32_SYSCALL_BIT + 208)
-#define __NR_io_submit (__X32_SYSCALL_BIT + 209)
 #define __NR_io_cancel (__X32_SYSCALL_BIT + 210)
 #define __NR_lookup_dcookie (__X32_SYSCALL_BIT + 212)
 #define __NR_epoll_create (__X32_SYSCALL_BIT + 213)
@@ -311,6 +309,9 @@
 #define __NR_process_vm_writev (__X32_SYSCALL_BIT + 540)
 #define __NR_setsockopt (__X32_SYSCALL_BIT + 541)
 #define __NR_getsockopt (__X32_SYSCALL_BIT + 542)
+#define __NR_io_setup (__X32_SYSCALL_BIT + 543)
+#define __NR_io_submit (__X32_SYSCALL_BIT + 544)
+#define __NR_execveat (__X32_SYSCALL_BIT + 545)
 
 #undef __NR_fstatat
 #undef __NR_pread
@@ -511,10 +512,8 @@
 #define SYS_futex __NR_futex
 #define SYS_sched_setaffinity __NR_sched_setaffinity
 #define SYS_sched_getaffinity __NR_sched_getaffinity
-#define SYS_io_setup __NR_io_setup
 #define SYS_io_destroy __NR_io_destroy
 #define SYS_io_getevents __NR_io_getevents
-#define SYS_io_submit __NR_io_submit
 #define SYS_io_cancel __NR_io_cancel
 #define SYS_lookup_dcookie __NR_lookup_dcookie
 #define SYS_epoll_create __NR_epoll_create
@@ -609,6 +608,7 @@
 #define SYS_kexec_file_load __NR_kexec_file_load
 #define SYS_bpf __NR_bpf
 
+
 #define SYS_rt_sigaction __NR_rt_sigaction
 #define SYS_rt_sigreturn __NR_rt_sigreturn
 #define SYS_ioctl __NR_ioctl
@@ -640,6 +640,9 @@
 #define SYS_process_vm_writev __NR_process_vm_writev
 #define SYS_setsockopt __NR_setsockopt
 #define SYS_getsockopt __NR_getsockopt
+#define SYS_io_setup __NR_io_setup
+#define SYS_io_submit __NR_io_submit
+#define SYS_execveat __NR_execveat
 
 #undef SYS_fstatat
 #undef SYS_pread

arch/x86_64/bits/syscall.h

@@ -320,6 +320,7 @@
 #define __NR_memfd_create			319
 #define __NR_kexec_file_load			320
 #define __NR_bpf				321
+#define __NR_execveat				322
 
 
 
@@ -647,3 +648,4 @@
 #define SYS_memfd_create			319
 #define SYS_kexec_file_load			320
 #define SYS_bpf					321
+#define SYS_execveat				322