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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 09:31:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-01 09:31:04 -0800 |
| commit | ca0c836d88dd2705879d24a754343467fc5a5ba6 (patch) | |
| tree | 0a6aa38735d9cc74dbf88c00b7d68b79db922a21 /arch | |
| parent | 255442c93843f52b6891b21d0b485bf2c97f93c3 (diff) | |
| parent | 47d67facb057b15d29d65170df06b102a3ddd34e (diff) | |
| download | linux-ca0c836d88dd2705879d24a754343467fc5a5ba6.tar.gz linux-ca0c836d88dd2705879d24a754343467fc5a5ba6.tar.bz2 linux-ca0c836d88dd2705879d24a754343467fc5a5ba6.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"Bug fixes, small improvements and one notable change: the system call
table and the unistd.h header are now generated automatically with a
shell script from a text file"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/decompressor: discard __ksymtab and .eh_frame sections
s390: fix handling of -1 in set{,fs}[gu]id16 syscalls
s390/tools: generate header files in arch/s390/include/generated/
s390/syscalls: use generated syscall_table.h and unistd.h header files
s390/syscalls: add Makefile to generate system call header files
s390/syscalls: add syscalltbl script
s390/syscalls: add system call table
s390/decompressor: swap .text and .rodata.compressed sections
s390/sclp: fix .data section specification
s390/ipl: avoid usage of __section(.data)
s390/head: replace hard coded values with constants
s390/disassembler: add generated gen_opcode_table tool to .gitignore
s390: remove bogus system call table entries
s390/kprobes: remove duplicate includes
s390/dasd: Remove dead return code checks
s390/dasd: Simplify code
s390/vdso: revise CFI annotations of vDSO functions
s390/kernel: emit CFI data in .debug_frame and discard .eh_frame sections
Diffstat (limited to 'arch')
34 files changed, 852 insertions, 844 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile index de54cfc6109d..fd691c4ff89e 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -88,9 +88,13 @@ KBUILD_CFLAGS += -DCC_USING_HOTPATCH endif endif +# Test CFI features of binutils +cfi := $(call as-instr,.cfi_startproc\n.cfi_val_offset 15$(comma)-160\n.cfi_endproc,-DCONFIG_AS_CFI_VAL_OFFSET=1) + KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare -KBUILD_AFLAGS += $(aflags-y) +KBUILD_CFLAGS += -fno-asynchronous-unwind-tables $(cfi) +KBUILD_AFLAGS += $(aflags-y) $(cfi) OBJCOPYFLAGS := -O binary @@ -107,6 +111,7 @@ drivers-y += drivers/s390/ drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ boot := arch/s390/boot +syscalls := arch/s390/kernel/syscalls tools := arch/s390/tools all: image bzImage @@ -128,9 +133,12 @@ archclean: $(Q)$(MAKE) $(clean)=$(boot) $(Q)$(MAKE) $(clean)=$(tools) +archheaders: + $(Q)$(MAKE) $(build)=$(syscalls) uapi + archprepare: - $(Q)$(MAKE) $(build)=$(tools) include/generated/facilities.h - $(Q)$(MAKE) $(build)=$(tools) include/generated/dis.h + $(Q)$(MAKE) $(build)=$(syscalls) kapi + $(Q)$(MAKE) $(build)=$(tools) kapi # Don't use tabs in echo arguments define archhelp diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 29e3dc99b916..26d6a94f40f6 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -14,6 +14,7 @@ targets += misc.o piggy.o sizes.h head.o KBUILD_CFLAGS := -m64 -D__KERNEL__ -O2 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -msoft-float +KBUILD_CFLAGS += -fno-asynchronous-unwind-tables KBUILD_CFLAGS += $(call cc-option,-mpacked-stack) KBUILD_CFLAGS += $(call cc-option,-ffreestanding) diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S index 88e46d4a7784..8150132b144f 100644 --- a/arch/s390/boot/compressed/vmlinux.lds.S +++ b/arch/s390/boot/compressed/vmlinux.lds.S @@ -17,15 +17,15 @@ SECTIONS HEAD_TEXT _ehead = . ; } - .rodata.compressed : { - *(.rodata.compressed) - } .text : { _text = .; /* Text */ *(.text) *(.text.*) _etext = . ; } + .rodata.compressed : { + *(.rodata.compressed) + } .rodata : { _rodata = . ; *(.rodata) /* read-only data */ @@ -48,4 +48,10 @@ SECTIONS _ebss = .; } _end = .; + + /* Sections to be discarded */ + /DISCARD/ : { + *(.eh_frame) + *(*__ksymtab*) + } } diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index dade72be127b..f6c2ba93b21c 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -1,4 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 +generated-y += dis-defs.h +generated-y += facility-defs.h +generated-y += syscall_table.h +generated-y += unistd_nr.h + generic-y += asm-offsets.h generic-y += cacheflush.h generic-y += clkdev.h diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h index b0480c60a8e1..c18ed6091914 100644 --- a/arch/s390/include/asm/dis.h +++ b/arch/s390/include/asm/dis.h @@ -9,7 +9,7 @@ #ifndef __ASM_S390_DIS_H__ #define __ASM_S390_DIS_H__ -#include <generated/dis.h> +#include <asm/dis-defs.h> static inline int insn_length(unsigned char code) { diff --git a/arch/s390/include/asm/dwarf.h b/arch/s390/include/asm/dwarf.h new file mode 100644 index 000000000000..4f21ae561e4d --- /dev/null +++ b/arch/s390/include/asm/dwarf.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_DWARF_H +#define _ASM_S390_DWARF_H + +#ifdef __ASSEMBLY__ + +#define CFI_STARTPROC .cfi_startproc +#define CFI_ENDPROC .cfi_endproc +#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset +#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset +#define CFI_RESTORE .cfi_restore + +#ifdef CONFIG_AS_CFI_VAL_OFFSET +#define CFI_VAL_OFFSET .cfi_val_offset +#else +#define CFI_VAL_OFFSET # +#endif + +#ifndef BUILD_VDSO + /* + * Emit CFI data in .debug_frame sections and not in .eh_frame + * sections. The .eh_frame CFI is used for runtime unwind + * information that is not being used. Hence, vmlinux.lds.S + * can discard the .eh_frame sections. + */ + .cfi_sections .debug_frame +#else + /* + * For vDSO, emit CFI data in both, .eh_frame and .debug_frame + * sections. + */ + .cfi_sections .eh_frame, .debug_frame +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_S390_DWARF_H */ diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index f040644575b7..fbe0c4be3cd8 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -8,7 +8,7 @@ #ifndef __ASM_FACILITY_H #define __ASM_FACILITY_H -#include <generated/facilities.h> +#include <asm/facility-defs.h> #include <linux/string.h> #include <linux/preempt.h> #include <asm/lowcore.h> diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 7807093b73be..fd79c0d35dc4 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -8,6 +8,7 @@ #define _ASM_S390_UNISTD_H_ #include <uapi/asm/unistd.h> +#include <asm/unistd_nr.h> #define __IGNORE_time #define __IGNORE_pkey_mprotect diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild index 92b7c9b3e641..faef3f7e8353 100644 --- a/arch/s390/include/uapi/asm/Kbuild +++ b/arch/s390/include/uapi/asm/Kbuild @@ -2,6 +2,9 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +generated-y += unistd_32.h +generated-y += unistd_64.h + generic-y += errno.h generic-y += fcntl.h generic-y += ioctl.h diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 725120939051..01b5fe8b9db6 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -8,405 +8,10 @@ #ifndef _UAPI_ASM_S390_UNISTD_H_ #define _UAPI_ASM_S390_UNISTD_H_ -/* - * This file contains the system call numbers. - */ - -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_restart_syscall 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_brk 45 -#define __NR_signal 48 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_setpgid 57 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_symlink 83 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_lookup_dcookie 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_getdents 141 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 -#define __NR_putpmsg 189 -#define __NR_vfork 190 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_readahead 222 -#define __NR_setxattr 224 -#define __NR_lsetxattr 225 -#define __NR_fsetxattr 226 -#define __NR_getxattr 227 -#define __NR_lgetxattr 228 -#define __NR_fgetxattr 229 -#define __NR_listxattr 230 -#define __NR_llistxattr 231 -#define __NR_flistxattr 232 -#define __NR_removexattr 233 -#define __NR_lremovexattr 234 -#define __NR_fremovexattr 235 -#define __NR_gettid 236 -#define __NR_tkill 237 -#define __NR_futex 238 -#define __NR_sched_setaffinity 239 -#define __NR_sched_getaffinity 240 -#define __NR_tgkill 241 -/* Number 242 is reserved for tux */ -#define __NR_io_setup 243 -#define __NR_io_destroy 244 -#define __NR_io_getevents 245 -#define __NR_io_submit 246 -#define __NR_io_cancel 247 -#define __NR_exit_group 248 -#define __NR_epoll_create 249 -#define __NR_epoll_ctl 250 -#define __NR_epoll_wait 251 -#define __NR_set_tid_address 252 -#define __NR_fadvise64 253 -#define __NR_timer_create 254 -#define __NR_timer_settime 255 -#define __NR_timer_gettime 256 -#define __NR_timer_getoverrun 257 -#define __NR_timer_delete 258 -#define __NR_clock_settime 259 -#define __NR_clock_gettime 260 -#define __NR_clock_getres 261 -#define __NR_clock_nanosleep 262 -/* Number 263 is reserved for vserver */ -#define __NR_statfs64 265 -#define __NR_fstatfs64 266 -#define __NR_remap_file_pages 267 -#define __NR_mbind 268 -#define __NR_get_mempolicy 269 -#define __NR_set_mempolicy 270 -#define __NR_mq_open 271 -#define __NR_mq_unlink 272 -#define __NR_mq_timedsend 273 -#define __NR_mq_timedreceive 274 -#define __NR_mq_notify 275 -#define __NR_mq_getsetattr 276 -#define __NR_kexec_load 277 -#define __NR_add_key 278 -#define __NR_request_key 279 -#define __NR_keyctl 280 -#define __NR_waitid 281 -#define __NR_ioprio_set 282 -#define __NR_ioprio_get 283 -#define __NR_inotify_init 284 -#define __NR_inotify_add_watch 285 -#define __NR_inotify_rm_watch 286 -#define __NR_migrate_pages 287 -#define __NR_openat 288 -#define __NR_mkdirat 289 -#define __NR_mknodat 290 -#define __NR_fchownat 291 -#define __NR_futimesat 292 -#define __NR_unlinkat 294 -#define __NR_renameat 295 -#define __NR_linkat 296 -#define __NR_symlinkat 297 -#define __NR_readlinkat 298 -#define __NR_fchmodat 299 -#define __NR_faccessat 300 -#define __NR_pselect6 301 -#define __NR_ppoll 302 -#define __NR_unshare 303 -#define __NR_set_robust_list 304 -#define __NR_get_robust_list 305 -#define __NR_splice 306 -#define __NR_sync_file_range 307 -#define __NR_tee 308 -#define __NR_vmsplice 309 -#define __NR_move_pages 310 -#define __NR_getcpu 311 -#define __NR_epoll_pwait 312 -#define __NR_utimes 313 -#define __NR_fallocate 314 -#define __NR_utimensat 315 -#define __NR_signalfd 316 -#define __NR_timerfd 317 -#define __NR_eventfd 318 -#define __NR_timerfd_create 319 -#define __NR_timerfd_settime 320 -#define __NR_timerfd_gettime 321 -#define __NR_signalfd4 322 -#define __NR_eventfd2 323 -#define __NR_inotify_init1 324 -#define __NR_pipe2 325 -#define __NR_dup3 326 -#define __NR_epoll_create1 327 -#define __NR_preadv 328 -#define __NR_pwritev 329 -#define __NR_rt_tgsigqueueinfo 330 -#define __NR_perf_event_open 331 -#define __NR_fanotify_init 332 -#define __NR_fanotify_mark 333 -#define __NR_prlimit64 334 -#define __NR_name_to_handle_at 335 -#define __NR_open_by_handle_at 336 -#define __NR_clock_adjtime 337 -#define __NR_syncfs 338 -#define __NR_setns 339 -#define __NR_process_vm_readv 340 -#define __NR_process_vm_writev 341 -#define __NR_s390_runtime_instr 342 -#define __NR_kcmp 343 -#define __NR_finit_module 344 -#define __NR_sched_setattr 345 -#define __NR_sched_getattr 346 -#define __NR_renameat2 347 -#define __NR_seccomp 348 -#define __NR_getrandom 349 -#define __NR_memfd_create 350 -#define __NR_bpf 351 -#define __NR_s390_pci_mmio_write 352 -#define __NR_s390_pci_mmio_read 353 -#define __NR_execveat 354 -#define __NR_userfaultfd 355 -#define __NR_membarrier 356 -#define __NR_recvmmsg 357 -#define __NR_sendmmsg 358 -#define __NR_socket 359 -#define __NR_socketpair 360 -#define __NR_bind 361 -#define __NR_connect 362 -#define __NR_listen 363 -#define __NR_accept4 364 -#define __NR_getsockopt 365 -#define __NR_setsockopt 366 -#define __NR_getsockname 367 -#define __NR_getpeername 368 -#define __NR_sendto 369 -#define __NR_sendmsg 370 -#define __NR_recvfrom 371 -#define __NR_recvmsg 372 -#define __NR_shutdown 373 -#define __NR_mlock2 374 -#define __NR_copy_file_range 375 -#define __NR_preadv2 376 -#define __NR_pwritev2 377 -#define __NR_s390_guarded_storage 378 -#define __NR_statx 379 -#define __NR_s390_sthyi 380 -#define NR_syscalls 381 - -/* - * There are some system calls that are not present on 64 bit, some - * have a different name although they do the same (e.g. __NR_chown32 - * is __NR_chown on 64 bit). - */ -#ifndef __s390x__ - -#define __NR_time 13 -#define __NR_lchown 16 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_getrlimit 76 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_fchown 95 -#define __NR_ioperm 101 -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR__newselect 142 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_chown 182 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_fcntl64 221 -#define __NR_sendfile64 223 -#define __NR_fadvise64_64 264 -#define __NR_fstatat64 293 - +#ifdef __s390x__ +#include <asm/unistd_64.h> #else - -#define __NR_select 142 -#define __NR_getrlimit 191 /* SuS compliant getrlimit */ -#define __NR_lchown 198 -#define __NR_getuid 199 -#define __NR_getgid 200 -#define __NR_geteuid 201 -#define __NR_getegid 202 -#define __NR_setreuid 203 -#define __NR_setregid 204 -#define __NR_getgroups 205 -#define __NR_setgroups 206 -#define __NR_fchown 207 -#define __NR_setresuid 208 -#define __NR_getresuid 209 -#define __NR_setresgid 210 -#define __NR_getresgid 211 -#define __NR_chown 212 -#define __NR_setuid 213 -#define __NR_setgid 214 -#define __NR_setfsuid 215 -#define __NR_setfsgid 216 -#define __NR_newfstatat 293 - +#include <asm/unistd_32.h> #endif #endif /* _UAPI_ASM_S390_UNISTD_H_ */ diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 59eea9c65d3e..79b7a3438d54 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -110,7 +110,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setregid16, u16, rgid, u16, egid) COMPAT_SYSCALL_DEFINE1(s390_setgid16, u16, gid) { - return sys_setgid((gid_t)gid); + return sys_setgid(low2highgid(gid)); } COMPAT_SYSCALL_DEFINE2(s390_setreuid16, u16, ruid, u16, euid) @@ -120,7 +120,7 @@ COMPAT_SYSCALL_DEFINE2(s390_setreuid16, u16, ruid, u16, euid) COMPAT_SYSCALL_DEFINE1(s390_setuid16, u16, uid) { - return sys_setuid((uid_t)uid); + return sys_setuid(low2highuid(uid)); } COMPAT_SYSCALL_DEFINE3(s390_setresuid16, u16, ruid, u16, euid, u16, suid) @@ -173,12 +173,12 @@ COMPAT_SYSCALL_DEFINE3(s390_getresgid16, u16 __user *, rgidp, COMPAT_SYSCALL_DEFINE1(s390_setfsuid16, u16, uid) { - return sys_setfsuid((uid_t)uid); + return sys_setfsuid(low2highuid(uid)); } COMPAT_SYSCALL_DEFINE1(s390_setfsgid16, u16, gid) { - return sys_setfsgid((gid_t)gid); + return sys_setfsgid(low2highgid(gid)); } static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info) diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 9e5f6cd8e4c2..6cd444d25545 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -1392,7 +1392,7 @@ cleanup_critical: #define SYSCALL(esame,emu) .long esame .globl sys_call_table sys_call_table: -#include "syscalls.S" +#include "asm/syscall_table.h" #undef SYSCALL #ifdef CONFIG_COMPAT @@ -1400,6 +1400,6 @@ sys_call_table: #define SYSCALL(esame,emu) .long emu .globl sys_call_table_emu sys_call_table_emu: -#include "syscalls.S" +#include "asm/syscall_table.h" #undef SYSCALL #endif diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index b86fa3ee4927..5c42f16a54c4 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -66,7 +66,7 @@ __HEAD # subroutine to wait for end I/O # .Lirqwait: - mvc 0x1f0(16),.Lnewpsw # set up IO interrupt psw + mvc __LC_IO_NEW_PSW(16),.Lnewpsw # set up IO interrupt psw lpsw .Lwaitpsw .Lioint: br %r14 @@ -98,7 +98,7 @@ __HEAD bnz .Llderr .Lwait4irq: bas %r14,.Lirqwait - c %r1,0xb8 # compare subchannel number + c %r1,__LC_SUBCHANNEL_ID # compare subchannel number bne .Lwait4irq tsch 0(%r5) @@ -156,9 +156,9 @@ iplstart: .fill 16,4,0x0 0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs sam31 # switch to 31 bit addressing mode - lh %r1,0xb8 # test if subchannel number + lh %r1,__LC_SUBCHANNEL_ID # test if subchannel number bct %r1,.Lnoload # is valid - l %r1,0xb8 # load ipl subchannel number + l %r1,__LC_SUBCHANNEL_ID # load ipl subchannel number la %r2,IPL_BS # load start address bas %r14,.Lloader # load rest of ipl image l %r12,.Lparm # pointer to parameter area @@ -239,7 +239,7 @@ iplstart: bz .Lnoreset .Lwaitforirq: bas %r14,.Lirqwait # wait for IO interrupt - c %r1,0xb8 # compare subchannel number + c %r1,__LC_SUBCHANNEL_ID # compare subchannel number bne .Lwaitforirq la %r5,.Lirb tsch 0(%r5) diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 8ecb8726ac47..da5cc3b469aa 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -119,13 +119,9 @@ static char *dump_type_str(enum dump_type type) } } -/* - * Must be in data section since the bss section - * is not cleared when these are accessed. - */ -static u8 ipl_ssid __section(.data) = 0; -static u16 ipl_devno __section(.data) = 0; -u32 ipl_flags __section(.data) = 0; +static u8 ipl_ssid; +static u16 ipl_devno; +u32 ipl_flags; enum ipl_method { REIPL_METHOD_CCW_CIO, @@ -148,7 +144,7 @@ enum dump_method { DUMP_METHOD_FCP_DIAG, }; -static int diag308_set_works = 0; +static int diag308_set_works; static struct ipl_parameter_block ipl_block; diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index af3722c28fd9..943d13e90c98 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -20,7 +20,6 @@ #include <linux/ftrace.h> #include <asm/set_memory.h> #include <asm/sections.h> -#include <linux/uaccess.h> #include <asm/dis.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe); diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S deleted file mode 100644 index f7fc63385553..000000000000 --- a/arch/s390/kernel/syscalls.S +++ /dev/null @@ -1,392 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * definitions for sys_call_table, each line represents an - * entry in the table in the form - * SYSCALL(64 bit syscall, 31 bit emulated syscall) - * - * this file is meant to be included from entry.S - */ - -#define NI_SYSCALL SYSCALL(sys_ni_syscall,sys_ni_syscall) - -NI_SYSCALL /* 0 */ -SYSCALL(sys_exit,sys_exit) -SYSCALL(sys_fork,sys_fork) -SYSCALL(sys_read,compat_sys_s390_read) -SYSCALL(sys_write,compat_sys_s390_write) -SYSCALL(sys_open,compat_sys_open) /* 5 */ -SYSCALL(sys_close,sys_close) -SYSCALL(sys_restart_syscall,sys_restart_syscall) -SYSCALL(sys_creat,compat_sys_creat) -SYSCALL(sys_link,compat_sys_link) -SYSCALL(sys_unlink,compat_sys_unlink) /* 10 */ -SYSCALL(sys_execve,compat_sys_execve) -SYSCALL(sys_chdir,compat_sys_chdir) -SYSCALL(sys_ni_syscall,compat_sys_time) /* old time syscall */ -SYSCALL(sys_mknod,compat_sys_mknod) -SYSCALL(sys_chmod,compat_sys_chmod) /* 15 */ -SYSCALL(sys_ni_syscall,compat_sys_s390_lchown16) /* old lchown16 syscall*/ -NI_SYSCALL /* old break syscall holder */ -NI_SYSCALL /* old stat syscall holder */ -SYSCALL(sys_lseek,compat_sys_lseek) -SYSCALL(sys_getpid,sys_getpid) /* 20 */ -SYSCALL(sys_mount,compat_sys_mount) -SYSCALL(sys_oldumount,compat_sys_oldumount) -SYSCALL(sys_ni_syscall,compat_sys_s390_setuid16) /* old setuid16 syscall*/ -SYSCALL(sys_ni_syscall,compat_sys_s390_getuid16) /* old getuid16 syscall*/ -SYSCALL(sys_ni_syscall,compat_sys_stime) /* 25 old stime syscall */ -SYSCALL(sys_ptrace,compat_sys_ptrace) -SYSCALL(sys_alarm,sys_alarm) -NI_SYSCALL /* old fstat syscall */ -SYSCALL(sys_pause,sys_pause) -SYSCALL(sys_utime,compat_sys_utime) /* 30 */ -NI_SYSCALL /* old stty syscall */ -NI_SYSCALL /* old gtty syscall */ -SYSCALL(sys_access,compat_sys_access) -SYSCALL(sys_nice,sys_nice) -NI_SYSCALL /* 35 old ftime syscall */ -SYSCALL(sys_sync,sys_sync) -SYSCALL(sys_kill,sys_kill) -SYSCALL(sys_rename,compat_sys_rename) -SYSCALL(sys_mkdir,compat_sys_mkdir) -SYSCALL(sys_rmdir,compat_sys_rmdir) /* 40 */ -SYSCALL(sys_dup,sys_dup) -SYSCALL(sys_pipe,compat_sys_pipe) -SYSCALL(sys_times,compat_sys_times) -NI_SYSCALL /* old prof syscall */ -SYSCALL(sys_brk,compat_sys_brk) /* 45 */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setgid16) /* old setgid16 syscall*/ -SYSCALL(sys_ni_syscall,compat_sys_s390_getgid16) /* old getgid16 syscall*/ -SYSCALL(sys_signal,compat_sys_signal) -SYSCALL(sys_ni_syscall,compat_sys_s390_geteuid16) /* old geteuid16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_getegid16) /* 50 old getegid16 syscall */ -SYSCALL(sys_acct,compat_sys_acct) -SYSCALL(sys_umount,compat_sys_umount) -NI_SYSCALL /* old lock syscall */ -SYSCALL(sys_ioctl,compat_sys_ioctl) -SYSCALL(sys_fcntl,compat_sys_fcntl) /* 55 */ -NI_SYSCALL /* intel mpx syscall */ -SYSCALL(sys_setpgid,sys_setpgid) -NI_SYSCALL /* old ulimit syscall */ -NI_SYSCALL /* old uname syscall */ -SYSCALL(sys_umask,sys_umask) /* 60 */ -SYSCALL(sys_chroot,compat_sys_chroot) -SYSCALL(sys_ustat,compat_sys_ustat) -SYSCALL(sys_dup2,sys_dup2) -SYSCALL(sys_getppid,sys_getppid) -SYSCALL(sys_getpgrp,sys_getpgrp) /* 65 */ -SYSCALL(sys_setsid,sys_setsid) -SYSCALL(sys_sigaction,compat_sys_sigaction) -NI_SYSCALL /* old sgetmask syscall*/ -NI_SYSCALL /* old ssetmask syscall*/ -SYSCALL(sys_ni_syscall,compat_sys_s390_setreuid16) /* old setreuid16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setregid16) /* old setregid16 syscall */ -SYSCALL(sys_sigsuspend,compat_sys_sigsuspend) -SYSCALL(sys_sigpending,compat_sys_sigpending) -SYSCALL(sys_sethostname,compat_sys_sethostname) -SYSCALL(sys_setrlimit,compat_sys_setrlimit) /* 75 */ -SYSCALL(sys_getrlimit,compat_sys_old_getrlimit) -SYSCALL(sys_getrusage,compat_sys_getrusage) -SYSCALL(sys_gettimeofday,compat_sys_gettimeofday) -SYSCALL(sys_settimeofday,compat_sys_settimeofday) -SYSCALL(sys_ni_syscall,compat_sys_s390_getgroups16) /* 80 old getgroups16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setgroups16) /* old setgroups16 syscall */ -NI_SYSCALL /* old select syscall */ -SYSCALL(sys_symlink,compat_sys_symlink) -NI_SYSCALL /* old lstat syscall */ -SYSCALL(sys_readlink,compat_sys_readlink) /* 85 */ -SYSCALL(sys_uselib,compat_sys_uselib) -SYSCALL(sys_swapon,compat_sys_swapon) -SYSCALL(sys_reboot,compat_sys_reboot) -SYSCALL(sys_ni_syscall,compat_sys_old_readdir) /* old readdir syscall */ -SYSCALL(sys_old_mmap,compat_sys_s390_old_mmap) /* 90 */ -SYSCALL(sys_munmap,compat_sys_munmap) -SYSCALL(sys_truncate,compat_sys_truncate) -SYSCALL(sys_ftruncate,compat_sys_ftruncate) -SYSCALL(sys_fchmod,sys_fchmod) -SYSCALL(sys_ni_syscall,compat_sys_s390_fchown16) /* 95 old fchown16 syscall*/ -SYSCALL(sys_getpriority,sys_getpriority) -SYSCALL(sys_setpriority,sys_setpriority) -NI_SYSCALL /* old profil syscall */ -SYSCALL(sys_statfs,compat_sys_statfs) -SYSCALL(sys_fstatfs,compat_sys_fstatfs) /* 100 */ -NI_SYSCALL /* ioperm for i386 */ -SYSCALL(sys_socketcall,compat_sys_socketcall) -SYSCALL(sys_syslog,compat_sys_syslog) -SYSCALL(sys_setitimer,compat_sys_setitimer) -SYSCALL(sys_getitimer,compat_sys_getitimer) /* 105 */ -SYSCALL(sys_newstat,compat_sys_newstat) -SYSCALL(sys_newlstat,compat_sys_newlstat) -SYSCALL(sys_newfstat,compat_sys_newfstat) -NI_SYSCALL /* old uname syscall */ -SYSCALL(sys_lookup_dcookie,compat_sys_lookup_dcookie) /* 110 */ -SYSCALL(sys_vhangup,sys_vhangup) -NI_SYSCALL /* old "idle" system call */ -NI_SYSCALL /* vm86old for i386 */ -SYSCALL(sys_wait4,compat_sys_wait4) -SYSCALL(sys_swapoff,compat_sys_swapoff) /* 115 */ -SYSCALL(sys_sysinfo,compat_sys_sysinfo) -SYSCALL(sys_s390_ipc,compat_sys_s390_ipc) -SYSCALL(sys_fsync,sys_fsync) -SYSCALL(sys_sigreturn,compat_sys_sigreturn) -SYSCALL(sys_clone,compat_sys_clone) /* 120 */ -SYSCALL(sys_setdomainname,compat_sys_setdomainname) -SYSCALL(sys_newuname,compat_sys_newuname) -NI_SYSCALL /* modify_ldt for i386 */ -SYSCALL(sys_adjtimex,compat_sys_adjtimex) -SYSCALL(sys_mprotect,compat_sys_mprotect) /* 125 */ -SYSCALL(sys_sigprocmask,compat_sys_sigprocmask) -NI_SYSCALL /* old "create module" */ -SYSCALL(sys_init_module,compat_sys_init_module) -SYSCALL(sys_delete_module,compat_sys_delete_module) -NI_SYSCALL /* 130: old get_kernel_syms */ -SYSCALL(sys_quotactl,compat_sys_quotactl) -SYSCALL(sys_getpgid,sys_getpgid) -SYSCALL(sys_fchdir,sys_fchdir) -SYSCALL(sys_bdflush,compat_sys_bdflush) -SYSCALL(sys_sysfs,compat_sys_sysfs) /* 135 */ -SYSCALL(sys_s390_personality,sys_s390_personality) -NI_SYSCALL /* for afs_syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setfsuid16) /* old setfsuid16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setfsgid16) /* old setfsgid16 syscall */ -SYSCALL(sys_llseek,compat_sys_llseek) /* 140 */ -SYSCALL(sys_getdents,compat_sys_getdents) -SYSCALL(sys_select,compat_sys_select) -SYSCALL(sys_flock,sys_flock) -SYSCALL(sys_msync,compat_sys_msync) -SYSCALL(sys_readv,compat_sys_readv) /* 145 */ -SYSCALL(sys_writev,compat_sys_writev) -SYSCALL(sys_getsid,sys_getsid) -SYSCALL(sys_fdatasync,sys_fdatasync) -SYSCALL(sys_sysctl,compat_sys_sysctl) -SYSCALL(sys_mlock,compat_sys_mlock) /* 150 */ -SYSCALL(sys_munlock,compat_sys_munlock) -SYSCALL(sys_mlockall,sys_mlockall) -SYSCALL(sys_munlockall,sys_munlockall) -SYSCALL(sys_sched_setparam,compat_sys_sched_setparam) -SYSCALL(sys_sched_getparam,compat_sys_sched_getparam) /* 155 */ -SYSCALL(sys_sched_setscheduler,compat_sys_sched_setscheduler) -SYSCALL(sys_sched_getscheduler,sys_sched_getscheduler) -SYSCALL(sys_sched_yield,sys_sched_yield) -SYSCALL(sys_sched_get_priority_max,sys_sched_get_priority_max) -SYSCALL(sys_sched_get_priority_min,sys_sched_get_priority_min) /* 160 */ -SYSCALL(sys_sched_rr_get_interval,compat_sys_sched_rr_get_interval) -SYSCALL(sys_nanosleep,compat_sys_nanosleep) -SYSCALL(sys_mremap,compat_sys_mremap) -SYSCALL(sys_ni_syscall,compat_sys_s390_setresuid16) /* old setresuid16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_getresuid16) /* 165 old getresuid16 syscall */ -NI_SYSCALL /* for vm86 */ -NI_SYSCALL /* old sys_query_module */ -SYSCALL(sys_poll,compat_sys_poll) -NI_SYSCALL /* old nfsservctl */ -SYSCALL(sys_ni_syscall,compat_sys_s390_setresgid16) /* 170 old setresgid16 syscall */ -SYSCALL(sys_ni_syscall,compat_sys_s390_getresgid16) /* old getresgid16 syscall */ -SYSCALL(sys_prctl,compat_sys_prctl) -SYSCALL(sys_rt_sigreturn,compat_sys_rt_sigreturn) -SYSCALL(sys_rt_sigaction,compat_sys_rt_sigaction) -SYSCALL(sys_rt_sigprocmask,compat_sys_rt_sigprocmask) /* 175 */ -SYSCALL(sys_rt_sigpending,compat_sys_rt_sigpending) -SYSCALL(sys_rt_sigtimedwait,compat_sys_rt_sigtimedwait) -SYSCALL(sys_rt_sigqueueinfo,compat_sys_rt_sigqueueinfo) -SYSCALL(sys_rt_sigsuspend,compat_sys_rt_sigsuspend) -SYSCALL(sys_pread64,compat_sys_s390_pread64) /* 180 */ -SYSCALL(sys_pwrite64,compat_sys_s390_pwrite64) -SYSCALL(sys_ni_syscall,compat_sys_s390_chown16) /* old chown16 syscall */ -SYSCALL(sys_getcwd,compat_sys_getcwd) -SYSCALL(sys_capget,compat_sys_capget) -SYSCALL(sys_capset,compat_sys_capset) /* 185 */ -SYSCALL(sys_sigaltstack,compat_sys_sigaltstack) -SYSCALL(sys_sendfile64,compat_sys_sendfile) -NI_SYSCALL /* streams1 */ -NI_SYSCALL /* streams2 */ -SYSCALL(sys_vfork,sys_vfork) /* 190 */ -SYSCALL(sys_getrlimit,compat_sys_getrlimit) -SYSCALL(sys_mmap2,compat_sys_s390_mmap2) -SYSCALL(sys_ni_syscall,compat_sys_s390_truncate64) -SYSCALL(sys_ni_syscall,compat_sys_s390_ftruncate64) -SYSCALL(sys_ni_syscall,compat_sys_s390_stat64) /* 195 */ -SYSCALL(sys_ni_syscall,compat_sys_s390_lstat64) -SYSCALL(sys_ni_syscall,compat_sys_s390_fstat64) -SYSCALL(sys_lchown,compat_sys_lchown) -SYSCALL(sys_getuid,sys_getuid) -SYSCALL(sys_getgid,sys_getgid) /* 200 */ -SYSCALL(sys_geteuid,sys_geteuid) -SYSCALL(sys_getegid,sys_getegid) -SYSCALL(sys_setreuid,sys_setreuid) -SYSCALL(sys_setregid,sys_setregid) -SYSCALL(sys_getgroups,compat_sys_getgroups) /* 205 */ -SYSCALL(sys_setgroups,compat_sys_setgroups) -SYSCALL(sys_fchown,sys_fchown) -SYSCALL(sys_setresuid,sys_setresuid) -SYSCALL(sys_getresuid,compat_sys_getresuid) -SYSCALL(sys_setresgid,sys_setresgid) /* 210 */ -SYSCALL(sys_getresgid,compat_sys_getresgid) -SYSCALL(sys_chown,compat_sys_chown) -SYSCALL(sys_setuid,sys_setuid) -SYSCALL(sys_setgid,sys_setgid) -SYSCALL(sys_setfsuid,sys_setfsuid) /* 215 */ -SYSCALL(sys_setfsgid,sys_setfsgid) -SYSCALL(sys_pivot_root,compat_sys_pivot_root) -SYSCALL(sys_mincore,compat_sys_mincore) -SYSCALL(sys_madvise,compat_sys_madvise) -SYSCALL(sys_getdents64,compat_sys_getdents64) /* 220 */ -SYSCALL(sys_ni_syscall,compat_sys_fcntl64) -SYSCALL(sys_readahead,compat_sys_s390_readahead) -SYSCALL(sys_ni_syscall,compat_sys_sendfile64) -SYSCALL(sys_setxattr,compat_sys_setxattr) -SYSCALL(sys_lsetxattr,compat_sys_lsetxattr) /* 225 */ -SYSCALL(sys_fsetxattr,compat_sys_fsetxattr) -SYSCALL(sys_getxattr,compat_sys_getxattr) -SYSCALL(sys_lgetxattr,compat_sys_lgetxattr) -SYSCALL(sys_fgetxattr,compat_sys_fgetxattr) -SYSCALL(sys_listxattr,compat_sys_listxattr) /* 230 */ -SYSCALL(sys_llistxattr,compat_sys_llistxattr) -SYSCALL(sys_flistxattr,compat_sys_flistxattr) -SYSCALL(sys_removexattr,compat_sys_removexattr) -SYSCALL(sys_lremovexattr,compat_sys_lremovexattr) -SYSCALL(sys_fremovexattr,compat_sys_fremovexattr) /* 235 */ -SYSCALL(sys_gettid,sys_gettid) -SYSCALL(sys_tkill,sys_tkill) -SYSCALL(sys_futex,compat_sys_futex) -SYSCALL(sys_sched_setaffinity,compat_sys_sched_setaffinity) -SYSCALL(sys_sched_getaffinity,compat_sys_sched_getaffinity) /* 240 */ -SYSCALL(sys_tgkill,sys_tgkill) -NI_SYSCALL /* reserved for TUX */ -SYSCALL(sys_io_setup,compat_sys_io_setup) -SYSCALL(sys_io_destroy,compat_sys_io_destroy) -SYSCALL(sys_io_getevents,compat_sys_io_getevents) /* 245 */ -SYSCALL(sys_io_submit,compat_sys_io_submit) -SYSCALL(sys_io_cancel,compat_sys_io_cancel) -SYSCALL(sys_exit_group,sys_exit_group) -SYSCALL(sys_epoll_create,sys_epoll_create) -SYSCALL(sys_epoll_ctl,compat_sys_epoll_ctl) /* 250 */ -SYSCALL(sys_epoll_wait,compat_sys_epoll_wait) -SYSCALL(sys_set_tid_address,compat_sys_set_tid_address) -SYSCALL(sys_fadvise64_64,compat_sys_s390_fadvise64) -SYSCALL(sys_timer_create,compat_sys_timer_create) -SYSCALL(sys_timer_settime,compat_sys_timer_settime) /* 255 */ -SYSCALL(sys_timer_gettime,compat_sys_timer_gettime) -SYSCALL(sys_timer_getoverrun,sys_timer_getoverrun) -SYSCALL(sys_timer_delete,sys_timer_delete) -SYSCALL(sys_clock_settime,compat_sys_clock_settime) -SYSCALL(sys_clock_gettime,compat_sys_clock_gettime) /* 260 */ -SYSCALL(sys_clock_getres,compat_sys_clock_getres) -SYSCALL(sys_clock_nanosleep,compat_sys_clock_nanosleep) -NI_SYSCALL /* reserved for vserver */ -SYSCALL(sys_ni_syscall,compat_sys_s390_fadvise64_64) -SYSCALL(sys_statfs64,compat_sys_statfs64) -SYSCALL(sys_fstatfs64,compat_sys_fstatfs64) -SYSCALL(sys_remap_file_pages,compat_sys_remap_file_pages) -SYSCALL(sys_mbind,compat_sys_mbind) -SYSCALL(sys_get_mempolicy,compat_sys_get_mempolicy) -SYSCALL(sys_set_mempolicy,compat_sys_set_mempolicy) -SYSCALL(sys_mq_open,compat_sys_mq_open) -SYSCALL(sys_mq_unlink,compat_sys_mq_unlink) -SYSCALL(sys_mq_timedsend,compat_sys_mq_timedsend) -SYSCALL(sys_mq_timedreceive,compat_sys_mq_timedreceive) -SYSCALL(sys_mq_notify,compat_sys_mq_notify) /* 275 */ -SYSCALL(sys_mq_getsetattr,compat_sys_mq_getsetattr) -SYSCALL(sys_kexec_load,compat_sys_kexec_load) -SYSCALL(sys_add_key,compat_sys_add_key) -SYSCALL(sys_request_key,compat_sys_request_key) -SYSCALL(sys_keyctl,compat_sys_keyctl) /* 280 */ -SYSCALL(sys_waitid,compat_sys_waitid) -SYSCALL(sys_ioprio_set,sys_ioprio_set) -SYSCALL(sys_ioprio_get,sys_ioprio_get) -SYSCALL(sys_inotify_init,sys_inotify_init) -SYSCALL(sys_inotify_add_watch,compat_sys_inotify_add_watch) /* 285 */ -SYSCALL(sys_inotify_rm_watch,sys_inotify_rm_watch) -SYSCALL(sys_migrate_pages,compat_sys_migrate_pages) -SYSCALL(sys_openat,compat_sys_openat) -SYSCALL(sys_mkdirat,compat_sys_mkdirat) -SYSCALL(sys_mknodat,compat_sys_mknodat) /* 290 */ -SYSCALL(sys_fchownat,compat_sys_fchownat) -SYSCALL(sys_futimesat,compat_sys_futimesat) -SYSCALL(sys_newfstatat,compat_sys_s390_fstatat64) -SYSCALL(sys_unlinkat,compat_sys_unlinkat) -SYSCALL(sys_renameat,compat_sys_renameat) /* 295 */ -SYSCALL(sys_linkat,compat_sys_linkat) -SYSCALL(sys_symlinkat,compat_sys_symlinkat) -SYSCALL(sys_readlinkat,compat_sys_readlinkat) -SYSCALL(sys_fchmodat,compat_sys_fchmodat) -SYSCALL(sys_faccessat,compat_sys_faccessat) /* 300 */ -SYSCALL(sys_pselect6,compat_sys_pselect6) -SYSCALL(sys_ppoll,compat_sys_ppoll) -SYSCALL(sys_unshare,compat_sys_unshare) -SYSCALL(sys_set_robust_list,compat_sys_set_robust_list) -SYSCALL(sys_get_robust_list,compat_sys_get_robust_list) -SYSCALL(sys_splice,compat_sys_splice) -SYSCALL(sys_sync_file_range,compat_sys_s390_sync_file_range) -SYSCALL(sys_tee,compat_sys_tee) -SYSCALL(sys_vmsplice,compat_sys_vmsplice) -SYSCALL(sys_move_pages,compat_sys_move_pages) -SYSCALL(sys_getcpu,compat_sys_getcpu) -SYSCALL(sys_epoll_pwait,compat_sys_epoll_pwait) -SYSCALL(sys_utimes,compat_sys_utimes) -SYSCALL(sys_fallocate,compat_sys_s390_fallocate) -SYSCALL(sys_utimensat,compat_sys_utimensat) /* 315 */ -SYSCALL(sys_signalfd,compat_sys_signalfd) -NI_SYSCALL /* 317 old sys_timer_fd */ -SYSCALL(sys_eventfd,sys_eventfd) -SYSCALL(sys_timerfd_create,sys_timerfd_create) -SYSCALL(sys_timerfd_settime,compat_sys_timerfd_settime) /* 320 */ -SYSCALL(sys_timerfd_gettime,compat_sys_timerfd_gettime) -SYSCALL(sys_signalfd4,compat_sys_signalfd4) -SYSCALL(sys_eventfd2,sys_eventfd2) -SYSCALL(sys_inotify_init1,sys_inotify_init1) -SYSCALL(sys_pipe2,compat_sys_pipe2) /* 325 */ -SYSCALL(sys_dup3,sys_dup3) -SYSCALL(sys_epoll_create1,sys_epoll_create1) -SYSCALL(sys_preadv,compat_sys_preadv) -SYSCALL(sys_pwritev,compat_sys_pwritev) -SYSCALL(sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo) /* 330 */ -SYSCALL(sys_perf_event_open,compat_sys_perf_event_open) -SYSCALL(sys_fanotify_init,sys_fanotify_init) -SYSCALL(sys_fanotify_mark,compat_sys_fanotify_mark) -SYSCALL(sys_prlimit64,compat_sys_prlimit64) -SYSCALL(sys_name_to_handle_at,compat_sys_name_to_handle_at) /* 335 */ -SYSCALL(sys_open_by_handle_at,compat_sys_open_by_handle_at) -SYSCALL(sys_clock_adjtime,compat_sys_clock_adjtime) -SYSCALL(sys_syncfs,sys_syncfs) -SYSCALL(sys_setns,sys_setns) -SYSCALL(sys_process_vm_readv,compat_sys_process_vm_readv) /* 340 */ -SYSCALL(sys_process_vm_writev,compat_sys_process_vm_writev) -SYSCALL(sys_s390_runtime_instr,sys_s390_runtime_instr) -SYSCALL(sys_kcmp,compat_sys_kcmp) -SYSCALL(sys_finit_module,compat_sys_finit_module) -SYSCALL(sys_sched_setattr,compat_sys_sched_setattr) /* 345 */ -SYSCALL(sys_sched_getattr,compat_sys_sched_getattr) -SYSCALL(sys_renameat2,compat_sys_renameat2) -SYSCALL(sys_seccomp,compat_sys_seccomp) -SYSCALL(sys_getrandom,compat_sys_getrandom) -SYSCALL(sys_memfd_create,compat_sys_memfd_create) /* 350 */ -SYSCALL(sys_bpf,compat_sys_bpf) -SYSCALL(sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write) -SYSCALL(sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read) -SYSCALL(sys_execveat,compat_sys_execveat) -SYSCALL(sys_userfaultfd,sys_userfaultfd) /* 355 */ -SYSCALL(sys_membarrier,sys_membarrier) -SYSCALL(sys_recvmmsg,compat_sys_recvmmsg) -SYSCALL(sys_sendmmsg,compat_sys_sendmmsg) -SYSCALL(sys_socket,sys_socket) -SYSCALL(sys_socketpair,compat_sys_socketpair) /* 360 */ -SYSCALL(sys_bind,compat_sys_bind) -SYSCALL(sys_connect,compat_sys_connect) -SYSCALL(sys_listen,sys_listen) -SYSCALL(sys_accept4,compat_sys_accept4) -SYSCALL(sys_getsockopt,compat_sys_getsockopt) /* 365 */ -SYSCALL(sys_setsockopt,compat_sys_setsockopt) -SYSCALL(sys_getsockname,compat_sys_getsockname) -SYSCALL(sys_getpeername,compat_sys_getpeername) -SYSCALL(sys_sendto,compat_sys_sendto) -SYSCALL(sys_sendmsg,compat_sys_sendmsg) /* 370 */ -SYSCALL(sys_recvfrom,compat_sys_recvfrom) -SYSCALL(sys_recvmsg,compat_sys_recvmsg) -SYSCALL(sys_shutdown,sys_shutdown) -SYSCALL(sys_mlock2,compat_sys_mlock2) -SYSCALL(sys_copy_file_range,compat_sys_copy_file_range) /* 375 */ -SYSCALL(sys_preadv2,compat_sys_preadv2) -SYSCALL(sys_pwritev2,compat_sys_pwritev2) -SYSCALL(sys_s390_guarded_storage,compat_sys_s390_guarded_storage) /* 378 */ -SYSCALL(sys_statx,compat_sys_statx) -SYSCALL(sys_s390_sthyi,compat_sys_s390_sthyi) diff --git a/arch/s390/kernel/syscalls/Makefile b/arch/s390/kernel/syscalls/Makefile new file mode 100644 index 000000000000..8ff96c08955f --- /dev/null +++ b/arch/s390/kernel/syscalls/Makefile @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: GPL-2.0 + +gen := arch/$(ARCH)/include/generated +kapi := $(gen)/asm +uapi := $(gen)/uapi/asm + +syscall := $(srctree)/$(src)/syscall.tbl +systbl := $(srctree)/$(src)/syscalltbl + +gen-y := $(kapi)/syscall_table.h +kapi-hdrs-y := $(kapi)/unistd_nr.h +uapi-hdrs-y := $(uapi)/unistd_32.h +uapi-hdrs-y += $(uapi)/unistd_64.h + +targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y)) + +PHONY += kapi uapi + +kapi: $(gen-y) $(kapi-hdrs-y) +uapi: $(uapi-hdrs-y) + + +# Create output directory if not already present +_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ + $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') + +define filechk_syshdr + $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" +endef + +define filechk_sysnr + $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) +endef + +define filechk_syscalls + $(CONFIG_SHELL) '$(systbl)' -S +endef + +syshdr_abi_unistd_32 := common,32 +$(uapi)/unistd_32.h: $(syscall) FORCE + $(call filechk,syshdr,$@) + +syshdr_abi_unistd_64 := common,64 +$(uapi)/unistd_64.h: $(syscall) FORCE + $(call filechk,syshdr,$@) + +$(kapi)/syscall_table.h: $(syscall) FORCE + $(call filechk,syscalls) + +sysnr_abi_unistd_nr := common,32,64 +$(kapi)/unistd_nr.h: $(syscall) FORCE + $(call filechk,sysnr) diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl new file mode 100644 index 000000000000..b38d48464368 --- /dev/null +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -0,0 +1,390 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# System call table for s390 +# +# Format: +# +# <nr> <abi> <syscall> <entry-64bit> <compat-entry> +# +# where <abi> can be common, 64, or 32 + +1 common exit sys_exit sys_exit +2 common fork sys_fork sys_fork +3 common read sys_read compat_sys_s390_read +4 common write sys_write compat_sys_s390_write +5 common open sys_open compat_sys_open +6 common close sys_close sys_close +7 common restart_syscall sys_restart_syscall sys_restart_syscall +8 common creat sys_creat compat_sys_creat +9 common link sys_link compat_sys_link +10 common unlink sys_unlink compat_sys_unlink +11 common execve sys_execve compat_sys_execve +12 common chdir sys_chdir compat_sys_chdir +13 32 time - compat_sys_time +14 common mknod sys_mknod compat_sys_mknod +15 common chmod sys_chmod compat_sys_chmod +16 32 lchown - compat_sys_s390_lchown16 +19 common lseek sys_lseek compat_sys_lseek +20 common getpid sys_getpid sys_getpid +21 common mount sys_mount compat_sys_mount +22 common umount sys_oldumount compat_sys_oldumount +23 32 setuid - compat_sys_s390_setuid16 +24 32 getuid - compat_sys_s390_getuid16 +25 32 stime - compat_sys_stime +26 common ptrace sys_ptrace compat_sys_ptrace +27 common alarm sys_alarm sys_alarm +29 common pause sys_pause sys_pause +30 common utime sys_utime compat_sys_utime +33 common access sys_access compat_sys_access +34 common nice sys_nice sys_nice +36 common sync sys_sync sys_sync +37 common kill sys_kill sys_kill +38 common rename sys_rename compat_sys_rename +39 common mkdir sys_mkdir compat_sys_mkdir +40 common rmdir sys_rmdir compat_sys_rmdir +41 common dup sys_dup sys_dup +42 common pipe sys_pipe compat_sys_pipe +43 common times sys_times compat_sys_times +45 common brk sys_brk compat_sys_brk +46 32 setgid - compat_sys_s390_setgid16 +47 32 getgid - compat_sys_s390_getgid16 +48 common signal sys_signal compat_sys_signal +49 32 geteuid - compat_sys_s390_geteuid16 +50 32 getegid - compat_sys_s390_getegid16 +51 common acct sys_acct compat_sys_acct +52 common umount2 sys_umount compat_sys_umount +54 common ioctl sys_ioctl compat_sys_ioctl +55 common fcntl sys_fcntl compat_sys_fcntl +57 common setpgid sys_setpgid sys_setpgid +60 common umask sys_umask sys_umask +61 common chroot sys_chroot compat_sys_chroot +62 common ustat sys_ustat compat_sys_ustat +63 common dup2 sys_dup2 sys_dup2 +64 common getppid sys_getppid sys_getppid +65 common getpgrp sys_getpgrp sys_getpgrp +66 common setsid sys_setsid sys_setsid +67 common sigaction sys_sigaction compat_sys_sigaction +70 32 setreuid - compat_sys_s390_setreuid16 +71 32 setregid - compat_sys_s390_setregid16 +72 common sigsuspend sys_sigsuspend compat_sys_sigsuspend +73 common sigpending sys_sigpending compat_sys_sigpending +74 common sethostname sys_sethostname compat_sys_sethostname +75 common setrlimit sys_setrlimit compat_sys_setrlimit +76 32 getrlimit - compat_sys_old_getrlimit +77 common getrusage sys_getrusage compat_sys_getrusage +78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday +79 common settimeofday sys_settimeofday compat_sys_settimeofday +80 32 getgroups - compat_sys_s390_getgroups16 +81 32 setgroups - compat_sys_s390_setgroups16 +83 common symlink sys_symlink compat_sys_symlink +85 common readlink sys_readlink compat_sys_readlink +86 common uselib sys_uselib compat_sys_uselib +87 common swapon sys_swapon compat_sys_swapon +88 common reboot sys_reboot compat_sys_reboot +89 common readdir - compat_sys_old_readdir +90 common mmap sys_old_mmap compat_sys_s390_old_mmap +91 common munmap sys_munmap compat_sys_munmap +92 common truncate sys_truncate compat_sys_truncate +93 common ftruncate sys_ftruncate compat_sys_ftruncate +94 common fchmod sys_fchmod sys_fchmod +95 32 fchown - compat_sys_s390_fchown16 +96 common getpriority sys_getpriority sys_getpriority +97 common setpriority sys_setpriority sys_setpriority +99 common statfs sys_statfs compat_sys_statfs +100 common fstatfs sys_fstatfs compat_sys_fstatfs +101 32 ioperm - - +102 common socketcall sys_socketcall compat_sys_socketcall +103 common syslog sys_syslog compat_sys_syslog +104 common setitimer sys_setitimer compat_sys_setitimer +105 common getitimer sys_getitimer compat_sys_getitimer +106 common stat sys_newstat compat_sys_newstat +107 common lstat sys_newlstat compat_sys_newlstat +108 common fstat sys_newfstat compat_sys_newfstat +110 common lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie +111 common vhangup sys_vhangup sys_vhangup +112 common idle - - +114 common wait4 sys_wait4 compat_sys_wait4 +115 common swapoff sys_swapoff compat_sys_swapoff +116 common sysinfo sys_sysinfo compat_sys_sysinfo +117 common ipc sys_s390_ipc compat_sys_s390_ipc +118 common fsync sys_fsync sys_fsync +119 common sigreturn sys_sigreturn compat_sys_sigreturn +120 common clone sys_clone compat_sys_clone +121 common setdomainname sys_setdomainname compat_sys_setdomainname +122 common uname sys_newuname compat_sys_newuname +124 common adjtimex sys_adjtimex compat_sys_adjtimex +125 common mprotect sys_mprotect compat_sys_mprotect +126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask +127 common create_module - - +128 common init_module sys_init_module compat_sys_init_module +129 common delete_module sys_delete_module compat_sys_delete_module +130 common get_kernel_syms - - +131 common quotactl sys_quotactl compat_sys_quotactl +132 common getpgid sys_getpgid sys_getpgid +133 common fchdir sys_fchdir sys_fchdir +134 common bdflush sys_bdflush compat_sys_bdflush +135 common sysfs sys_sysfs compat_sys_sysfs +136 common personality sys_s390_personality sys_s390_personality +137 common afs_syscall - - +138 32 setfsuid - compat_sys_s390_setfsuid16 +139 32 setfsgid - compat_sys_s390_setfsgid16 +140 32 _llseek - compat_sys_llseek +141 common getdents sys_getdents compat_sys_getdents +142 32 _newselect - compat_sys_select +142 64 select sys_select - +143 common flock sys_flock sys_flock +144 common msync sys_msync compat_sys_msync +145 common readv sys_readv compat_sys_readv +146 common writev sys_writev compat_sys_writev +147 common getsid sys_getsid sys_getsid +148 common fdatasync sys_fdatasync sys_fdatasync +149 common _sysctl sys_sysctl compat_sys_sysctl +150 common mlock sys_mlock compat_sys_mlock +151 common munlock sys_munlock compat_sys_munlock +152 common mlockall sys_mlockall sys_mlockall +153 common munlockall sys_munlockall sys_munlockall +154 common sched_setparam sys_sched_setparam compat_sys_sched_setparam +155 common sched_getparam sys_sched_getparam compat_sys_sched_getparam +156 common sched_setscheduler sys_sched_setscheduler compat_sys_sched_setscheduler +157 common sched_getscheduler sys_sched_getscheduler sys_sched_getscheduler +158 common sched_yield sys_sched_yield sys_sched_yield +159 common sched_get_priority_max sys_sched_get_priority_max sys_sched_get_priority_max +160 common sched_get_priority_min sys_sched_get_priority_min sys_sched_get_priority_min +161 common sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval +162 common nanosleep sys_nanosleep compat_sys_nanosleep +163 common mremap sys_mremap compat_sys_mremap +164 32 setresuid - compat_sys_s390_setresuid16 +165 32 getresuid - compat_sys_s390_getresuid16 +167 common query_module - - +168 common poll sys_poll compat_sys_poll +169 common nfsservctl - - +170 32 setresgid - compat_sys_s390_setresgid16 +171 32 getresgid - compat_sys_s390_getresgid16 +172 common prctl sys_prctl compat_sys_prctl +173 common rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn +174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction +175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask +176 common rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending +177 common rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait +178 common rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo +179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend +180 common pread64 sys_pread64 compat_sys_s390_pread64 +181 common pwrite64 sys_pwrite64 compat_sys_s390_pwrite64 +182 32 chown - compat_sys_s390_chown16 +183 common getcwd sys_getcwd compat_sys_getcwd +184 common capget sys_capget compat_sys_capget +185 common capset sys_capset compat_sys_capset +186 common sigaltstack sys_sigaltstack compat_sys_sigaltstack +187 common sendfile sys_sendfile64 compat_sys_sendfile +188 common getpmsg - - +189 common putpmsg - - +190 common vfork sys_vfork sys_vfork +191 32 ugetrlimit - compat_sys_getrlimit +191 64 getrlimit sys_getrlimit - +192 32 mmap2 - compat_sys_s390_mmap2 +193 32 truncate64 - compat_sys_s390_truncate64 +194 32 ftruncate64 - compat_sys_s390_ftruncate64 +195 32 stat64 - compat_sys_s390_stat64 +196 32 lstat64 - compat_sys_s390_lstat64 +197 32 fstat64 - compat_sys_s390_fstat64 +198 32 lchown32 - compat_sys_lchown +198 64 lchown sys_lchown - +199 32 getuid32 - sys_getuid +199 64 getuid sys_getuid - +200 32 getgid32 - sys_getgid +200 64 getgid sys_getgid - +201 32 geteuid32 - sys_geteuid +201 64 geteuid sys_geteuid - +202 32 getegid32 - sys_getegid +202 64 getegid sys_getegid - +203 32 setreuid32 - sys_setreuid +203 64 setreuid sys_setreuid - +204 32 setregid32 - sys_setregid +204 64 setregid sys_setregid - +205 32 getgroups32 - compat_sys_getgroups +205 64 getgroups sys_getgroups - +206 32 setgroups32 - compat_sys_setgroups +206 64 setgroups sys_setgroups - +207 32 fchown32 - sys_fchown +207 64 fchown sys_fchown - +208 32 setresuid32 - sys_setresuid +208 64 setresuid sys_setresuid - +209 32 getresuid32 - compat_sys_getresuid +209 64 getresuid sys_getresuid - +210 32 setresgid32 - sys_setresgid +210 64 setresgid sys_setresgid - +211 32 getresgid32 - compat_sys_getresgid +211 64 getresgid sys_getresgid - +212 32 chown32 - compat_sys_chown +212 64 chown sys_chown - +213 32 setuid32 - sys_setuid +213 64 setuid sys_setuid - +214 32 setgid32 - sys_setgid +214 64 setgid sys_setgid - +215 32 setfsuid32 - sys_setfsuid +215 64 setfsuid sys_setfsuid - +216 32 setfsgid32 - sys_setfsgid +216 64 setfsgid sys_setfsgid - +217 common pivot_root sys_pivot_root compat_sys_pivot_root +218 common mincore sys_mincore compat_sys_mincore +219 common madvise sys_madvise compat_sys_madvise +220 common getdents64 sys_getdents64 compat_sys_getdents64 +221 32 fcntl64 - compat_sys_fcntl64 +222 common readahead sys_readahead compat_sys_s390_readahead +223 32 sendfile64 - compat_sys_sendfile64 +224 common setxattr sys_setxattr compat_sys_setxattr +225 common lsetxattr sys_lsetxattr compat_sys_lsetxattr +226 common fsetxattr sys_fsetxattr compat_sys_fsetxattr +227 common getxattr sys_getxattr compat_sys_getxattr +228 common lgetxattr sys_lgetxattr compat_sys_lgetxattr +229 common fgetxattr sys_fgetxattr compat_sys_fgetxattr +230 common listxattr sys_listxattr compat_sys_listxattr +231 common llistxattr sys_llistxattr compat_sys_llistxattr +232 common flistxattr sys_flistxattr compat_sys_flistxattr +233 common removexattr sys_removexattr compat_sys_removexattr +234 common lremovexattr sys_lremovexattr compat_sys_lremovexattr +235 common fremovexattr sys_fremovexattr compat_sys_fremovexattr +236 common gettid sys_gettid sys_gettid +237 common tkill sys_tkill sys_tkill +238 common futex sys_futex compat_sys_futex +239 common sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity +240 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity +241 common tgkill sys_tgkill sys_tgkill +243 common io_setup sys_io_setup compat_sys_io_setup +244 common io_destroy sys_io_destroy compat_sys_io_destroy +245 common io_getevents sys_io_getevents compat_sys_io_getevents +246 common io_submit sys_io_submit compat_sys_io_submit +247 common io_cancel sys_io_cancel compat_sys_io_cancel +248 common exit_group sys_exit_group sys_exit_group +249 common epoll_create sys_epoll_create sys_epoll_create +250 common epoll_ctl sys_epoll_ctl compat_sys_epoll_ctl +251 common epoll_wait sys_epoll_wait compat_sys_epoll_wait +252 common set_tid_address sys_set_tid_address compat_sys_set_tid_address +253 common fadvise64 sys_fadvise64_64 compat_sys_s390_fadvise64 +254 common timer_create sys_timer_create compat_sys_timer_create +255 common timer_settime sys_timer_settime compat_sys_timer_settime +256 common timer_gettime sys_timer_gettime compat_sys_timer_gettime +257 common timer_getoverrun sys_timer_getoverrun sys_timer_getoverrun +258 common timer_delete sys_timer_delete sys_timer_delete +259 common clock_settime sys_clock_settime compat_sys_clock_settime +260 common clock_gettime sys_clock_gettime compat_sys_clock_gettime +261 common clock_getres sys_clock_getres compat_sys_clock_getres +262 common clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep +264 32 fadvise64_64 - compat_sys_s390_fadvise64_64 +265 common statfs64 sys_statfs64 compat_sys_statfs64 +266 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 +267 common remap_file_pages sys_remap_file_pages compat_sys_remap_file_pages +268 common mbind sys_mbind compat_sys_mbind +269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy +270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +271 common mq_open sys_mq_open compat_sys_mq_open +272 common mq_unlink sys_mq_unlink compat_sys_mq_unlink +273 common mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend +274 common mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive +275 common mq_notify sys_mq_notify compat_sys_mq_notify +276 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr +277 common kexec_load sys_kexec_load compat_sys_kexec_load +278 common add_key sys_add_key compat_sys_add_key +279 common request_key sys_request_key compat_sys_request_key +280 common keyctl sys_keyctl compat_sys_keyctl +281 common waitid sys_waitid compat_sys_waitid +282 common ioprio_set sys_ioprio_set sys_ioprio_set +283 common ioprio_get sys_ioprio_get sys_ioprio_get +284 common inotify_init sys_inotify_init sys_inotify_init +285 common inotify_add_watch sys_inotify_add_watch compat_sys_inotify_add_watch +286 common inotify_rm_watch sys_inotify_rm_watch sys_inotify_rm_watch +287 common migrate_pages sys_migrate_pages compat_sys_migrate_pages +288 common openat sys_openat compat_sys_openat +289 common mkdirat sys_mkdirat compat_sys_mkdirat +290 common mknodat sys_mknodat compat_sys_mknodat +291 common fchownat sys_fchownat compat_sys_fchownat +292 common futimesat sys_futimesat compat_sys_futimesat +293 32 fstatat64 - compat_sys_s390_fstatat64 +293 64 newfstatat sys_newfstatat - +294 common unlinkat sys_unlinkat compat_sys_unlinkat +295 common renameat sys_renameat compat_sys_renameat +296 common linkat sys_linkat compat_sys_linkat +297 common symlinkat sys_symlinkat compat_sys_symlinkat +298 common readlinkat sys_readlinkat compat_sys_readlinkat +299 common fchmodat sys_fchmodat compat_sys_fchmodat +300 common faccessat sys_faccessat compat_sys_faccessat +301 common pselect6 sys_pselect6 compat_sys_pselect6 +302 common ppoll sys_ppoll compat_sys_ppoll +303 common unshare sys_unshare compat_sys_unshare +304 common set_robust_list sys_set_robust_list compat_sys_set_robust_list +305 common get_robust_list sys_get_robust_list compat_sys_get_robust_list +306 common splice sys_splice compat_sys_splice +307 common sync_file_range sys_sync_file_range compat_sys_s390_sync_file_range +308 common tee sys_tee compat_sys_tee +309 common vmsplice sys_vmsplice compat_sys_vmsplice +310 common move_pages sys_move_pages compat_sys_move_pages +311 common getcpu sys_getcpu compat_sys_getcpu +312 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait +313 common utimes sys_utimes compat_sys_utimes +314 common fallocate sys_fallocate compat_sys_s390_fallocate +315 common utimensat sys_utimensat compat_sys_utimensat +316 common signalfd sys_signalfd compat_sys_signalfd +317 common timerfd - - +318 common eventfd sys_eventfd sys_eventfd +319 common timerfd_create sys_timerfd_create sys_timerfd_create +320 common timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime +321 common timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime +322 common signalfd4 sys_signalfd4 compat_sys_signalfd4 +323 common eventfd2 sys_eventfd2 sys_eventfd2 +324 common inotify_init1 sys_inotify_init1 sys_inotify_init1 +325 common pipe2 sys_pipe2 compat_sys_pipe2 +326 common dup3 sys_dup3 sys_dup3 +327 common epoll_create1 sys_epoll_create1 sys_epoll_create1 +328 common preadv sys_preadv compat_sys_preadv +329 common pwritev sys_pwritev compat_sys_pwritev +330 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +331 common perf_event_open sys_perf_event_open compat_sys_perf_event_open +332 common fanotify_init sys_fanotify_init sys_fanotify_init +333 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark +334 common prlimit64 sys_prlimit64 compat_sys_prlimit64 +335 common name_to_handle_at sys_name_to_handle_at compat_sys_name_to_handle_at +336 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at +337 common clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime +338 common syncfs sys_syncfs sys_syncfs +339 common setns sys_setns sys_setns +340 common process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv +341 common process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev +342 common s390_runtime_instr sys_s390_runtime_instr sys_s390_runtime_instr +343 common kcmp sys_kcmp compat_sys_kcmp +344 common finit_module sys_finit_module compat_sys_finit_module +345 common sched_setattr sys_sched_setattr compat_sys_sched_setattr +346 common sched_getattr sys_sched_getattr compat_sys_sched_getattr +347 common renameat2 sys_renameat2 compat_sys_renameat2 +348 common seccomp sys_seccomp compat_sys_seccomp +349 common getrandom sys_getrandom compat_sys_getrandom +350 common memfd_create sys_memfd_create compat_sys_memfd_create +351 common bpf sys_bpf compat_sys_bpf +352 common s390_pci_mmio_write sys_s390_pci_mmio_write compat_sys_s390_pci_mmio_write +353 common s390_pci_mmio_read sys_s390_pci_mmio_read compat_sys_s390_pci_mmio_read +354 common execveat sys_execveat compat_sys_execveat +355 common userfaultfd sys_userfaultfd sys_userfaultfd +356 common membarrier sys_membarrier sys_membarrier +357 common recvmmsg sys_recvmmsg compat_sys_recvmmsg +358 common sendmmsg sys_sendmmsg compat_sys_sendmmsg +359 common socket sys_socket sys_socket +360 common socketpair sys_socketpair compat_sys_socketpair +361 common bind sys_bind compat_sys_bind +362 common connect sys_connect compat_sys_connect +363 common listen sys_listen sys_listen +364 common accept4 sys_accept4 compat_sys_accept4 +365 common getsockopt sys_getsockopt compat_sys_getsockopt +366 common setsockopt sys_setsockopt compat_sys_setsockopt +367 common getsockname sys_getsockname compat_sys_getsockname +368 common getpeername sys_getpeername compat_sys_getpeername +369 common sendto sys_sendto compat_sys_sendto +370 common sendmsg sys_sendmsg compat_sys_sendmsg +371 common recvfrom sys_recvfrom compat_sys_recvfrom +372 common recvmsg sys_recvmsg compat_sys_recvmsg +373 common shutdown sys_shutdown sys_shutdown +374 common mlock2 sys_mlock2 compat_sys_mlock2 +375 common copy_file_range sys_copy_file_range compat_sys_copy_file_range +376 common preadv2 sys_preadv2 compat_sys_preadv2 +377 common pwritev2 sys_pwritev2 compat_sys_pwritev2 +378 common s390_guarded_storage sys_s390_guarded_storage compat_sys_s390_guarded_storage +379 common statx sys_statx compat_sys_statx +380 common s390_sthyi sys_s390_sthyi compat_sys_s390_sthyi diff --git a/arch/s390/kernel/syscalls/syscalltbl b/arch/s390/kernel/syscalls/syscalltbl new file mode 100755 index 000000000000..fbac1732f874 --- /dev/null +++ b/arch/s390/kernel/syscalls/syscalltbl @@ -0,0 +1,232 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate system call table and header files +# +# Copyright IBM Corp. 2018 +# Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com> + +# +# File path to the system call table definition. +# You can set the path with the -i option. If omitted, +# system call table definitions are read from standard input. +# +SYSCALL_TBL="" + + +create_syscall_table_entries() +{ + local nr abi name entry64 entry32 _ignore + local temp=$(mktemp ${TMPDIR:-/tmp}/syscalltbl-common.XXXXXXXXX) + + ( + # + # Initialize with 0 to create an NI_SYSCALL for 0 + # + local prev_nr=0 prev_32=sys_ni_syscall prev_64=sys_ni_syscall + while read nr abi name entry64 entry32 _ignore; do + test x$entry32 = x- && entry32=sys_ni_syscall + test x$entry64 = x- && entry64=sys_ni_syscall + + if test $prev_nr -eq $nr; then + # + # Same syscall but different ABI, just update + # the respective entry point + # + case $abi in + 32) + prev_32=$entry32 + ;; + 64) + prev_64=$entry64 + ;; + esac + continue; + else + printf "%d\t%s\t%s\n" $prev_nr $prev_64 $prev_32 + fi + + prev_nr=$nr + prev_64=$entry64 + prev_32=$entry32 + done + printf "%d\t%s\t%s\n" $prev_nr $prev_64 $prev_32 + ) >> $temp + + # + # Check for duplicate syscall numbers + # + if ! cat $temp |cut -f1 |uniq -d 2>&1; then + echo "Error: generated system call table contains duplicate entries: $temp" >&2 + exit 1 + fi + + # + # Generate syscall table + # + prev_nr=0 + while read nr entry64 entry32; do + while test $prev_nr -lt $((nr - 1)); do + printf "NI_SYSCALL\n" + prev_nr=$((prev_nr + 1)) + done + if test x$entry64 = xsys_ni_syscall && + test x$entry32 = xsys_ni_syscall; then + printf "NI_SYSCALL\n" + else + printf "SYSCALL(%s,%s)\n" $entry64 $entry32 + fi + prev_nr=$nr + done < $temp + rm $temp +} + +generate_syscall_table() +{ + cat <<-EoHEADER + /* SPDX-License-Identifier: GPL-2.0 */ + /* + * Definitions for sys_call_table, each line represents an + * entry in the table in the form + * SYSCALL(64 bit syscall, 31 bit emulated syscall) + * + * This file is meant to be included from entry.S. + */ + + #define NI_SYSCALL SYSCALL(sys_ni_syscall,sys_ni_syscall) + +EoHEADER + grep -Ev '^(#|[[:blank:]]*$)' $SYSCALL_TBL \ + |sort -k1 -n \ + |create_syscall_table_entries +} + +create_header_defines() +{ + local nr abi name _ignore + + while read nr abi name _ignore; do + printf "#define __NR_%s %d\n" $name $nr + done +} + +normalize_fileguard() +{ + local fileguard="$1" + + echo "$1" |tr '[[:lower:]]' '[[:upper:]]' \ + |sed -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g' +} + +generate_syscall_header() +{ + local abis=$(echo "($1)" | tr ',' '|') + local filename="$2" + local fileguard suffix + + if test "$filename"; then + fileguard=$(normalize_fileguard "__UAPI_ASM_S390_$2") + else + case "$abis" in + *64*) suffix=64 ;; + *32*) suffix=32 ;; + esac + fileguard=$(normalize_fileguard "__UAPI_ASM_S390_SYSCALLS_$suffix") + fi + + cat <<-EoHEADER + /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + #ifndef ${fileguard} + #define ${fileguard} + +EoHEADER + + grep -E "^[[:digit:]]+[[:space:]]+${abis}" $SYSCALL_TBL \ + |sort -k1 -n \ + |create_header_defines + + cat <<-EoFOOTER + + #endif /* ${fileguard} */ +EoFOOTER +} + +__max_syscall_nr() +{ + local abis=$(echo "($1)" | tr ',' '|') + + grep -E "^[[:digit:]]+[[:space:]]+${abis}" $SYSCALL_TBL \ + |sed -ne 's/^\([[:digit:]]*\)[[:space:]].*/\1/p' \ + |sort -n \ + |tail -1 +} + + +generate_syscall_nr() +{ + local abis="$1" + local max_syscall_nr num_syscalls + + max_syscall_nr=$(__max_syscall_nr "$abis") + num_syscalls=$((max_syscall_nr + 1)) + + cat <<-EoHEADER + /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + #ifndef __ASM_S390_SYSCALLS_NR + #define __ASM_S390_SYSCALLS_NR + + #define NR_syscalls ${num_syscalls} + + #endif /* __ASM_S390_SYSCALLS_NR */ +EoHEADER +} + + +# +# Parse command line arguments +# +do_syscall_header="" +do_syscall_table="" +do_syscall_nr="" +output_file="" +abi_list="common,64" +filename="" +while getopts ":HNSXi:a:f:" arg; do + case $arg in + a) + abi_list="$OPTARG" + ;; + i) + SYSCALL_TBL="$OPTARG" + ;; + f) + filename=${OPTARG##*/} + ;; + H) + do_syscall_header=1 + ;; + N) + do_syscall_nr=1 + ;; + S) + do_syscall_table=1 + ;; + X) + set -x + ;; + :) + echo "Missing argument for -$OPTARG" >&2 + exit 1 + ;; + \?) + echo "Invalid option specified" >&2 + exit 1 + ;; + esac +done + +test "$do_syscall_header" && generate_syscall_header "$abi_list" "$filename" +test "$do_syscall_table" && generate_syscall_table +test "$do_syscall_nr" && generate_syscall_nr "$abi_list" + +exit 0 diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile index 308564b9bf68..c5c856f320bc 100644 --- a/arch/s390/kernel/vdso32/Makefile +++ b/arch/s390/kernel/vdso32/Makefile @@ -10,6 +10,9 @@ obj-vdso32 = gettimeofday.o clock_getres.o clock_gettime.o note.o getcpu.o targets := $(obj-vdso32) vdso32.so vdso32.so.dbg obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) +KBUILD_AFLAGS += -DBUILD_VDSO +KBUILD_CFLAGS += -DBUILD_VDSO + KBUILD_AFLAGS_31 := $(filter-out -m64,$(KBUILD_AFLAGS)) KBUILD_AFLAGS_31 += -m31 -s diff --git a/arch/s390/kernel/vdso32/clock_getres.S b/arch/s390/kernel/vdso32/clock_getres.S index f61df5253c23..eaf9cf1417f6 100644 --- a/arch/s390/kernel/vdso32/clock_getres.S +++ b/arch/s390/kernel/vdso32/clock_getres.S @@ -9,13 +9,14 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_clock_getres .type __kernel_clock_getres,@function __kernel_clock_getres: - .cfi_startproc + CFI_STARTPROC basr %r1,0 la %r1,4f-.(%r1) chi %r2,__CLOCK_REALTIME @@ -37,7 +38,7 @@ __kernel_clock_getres: 3: lhi %r1,__NR_clock_getres /* fallback to svc */ svc 0 br %r14 + CFI_ENDPROC 4: .long __CLOCK_REALTIME_RES 5: .long __CLOCK_COARSE_RES - .cfi_endproc .size __kernel_clock_getres,.-__kernel_clock_getres diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S index 2d6ec3abe095..a9418bf975db 100644 --- a/arch/s390/kernel/vdso32/clock_gettime.S +++ b/arch/s390/kernel/vdso32/clock_gettime.S @@ -9,14 +9,17 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_clock_gettime .type __kernel_clock_gettime,@function __kernel_clock_gettime: - .cfi_startproc + CFI_STARTPROC ahi %r15,-16 + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 basr %r5,0 0: al %r5,21f-0b(%r5) /* get &_vdso_data */ chi %r2,__CLOCK_REALTIME_COARSE @@ -69,9 +72,13 @@ __kernel_clock_gettime: st %r1,4(%r3) /* store tp->tv_nsec */ lhi %r2,0 ahi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 /* CLOCK_MONOTONIC_COARSE */ + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 9: l %r4,__VDSO_UPD_COUNT+4(%r5) /* load update counter */ tml %r4,0x0001 /* pending update ? loop */ jnz 9b @@ -151,15 +158,21 @@ __kernel_clock_gettime: st %r1,4(%r3) /* store tp->tv_nsec */ lhi %r2,0 ahi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 /* Fallback to system call */ + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 19: lhi %r1,__NR_clock_gettime svc 0 ahi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 + CFI_ENDPROC 20: .long 1000000000 21: .long _vdso_data - 0b - .cfi_endproc .size __kernel_clock_gettime,.-__kernel_clock_gettime diff --git a/arch/s390/kernel/vdso32/getcpu.S b/arch/s390/kernel/vdso32/getcpu.S index 5477a2c112fb..25515f3fbcea 100644 --- a/arch/s390/kernel/vdso32/getcpu.S +++ b/arch/s390/kernel/vdso32/getcpu.S @@ -8,13 +8,14 @@ */ #include <asm/vdso.h> #include <asm/asm-offsets.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_getcpu .type __kernel_getcpu,@function __kernel_getcpu: - .cfi_startproc + CFI_STARTPROC la %r4,0 sacf 256 l %r5,__VDSO_CPU_NR(%r4) @@ -28,5 +29,5 @@ __kernel_getcpu: st %r4,0(%r3) 3: lhi %r2,0 br %r14 - .cfi_endproc + CFI_ENDPROC .size __kernel_getcpu,.-__kernel_getcpu diff --git a/arch/s390/kernel/vdso32/gettimeofday.S b/arch/s390/kernel/vdso32/gettimeofday.S index aa8bf13a2edb..3c0db0fa6ad9 100644 --- a/arch/s390/kernel/vdso32/gettimeofday.S +++ b/arch/s390/kernel/vdso32/gettimeofday.S @@ -9,14 +9,17 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_gettimeofday .type __kernel_gettimeofday,@function __kernel_gettimeofday: - .cfi_startproc + CFI_STARTPROC ahi %r15,-16 + CFI_ADJUST_CFA_OFFSET 16 + CFI_VAL_OFFSET 15, -160 basr %r5,0 0: al %r5,13f-0b(%r5) /* get &_vdso_data */ 1: ltr %r3,%r3 /* check if tz is NULL */ @@ -89,9 +92,11 @@ __kernel_gettimeofday: st %r0,4(%r2) /* store tv->tv_usec */ 10: slr %r2,%r2 ahi %r15,16 + CFI_ADJUST_CFA_OFFSET -16 + CFI_RESTORE 15 br %r14 + CFI_ENDPROC 11: .long 1000000000 12: .long 274877907 13: .long _vdso_data - 0b - .cfi_endproc .size __kernel_gettimeofday,.-__kernel_gettimeofday diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile index f81ae7998883..15b1ceafc4c1 100644 --- a/arch/s390/kernel/vdso64/Makefile +++ b/arch/s390/kernel/vdso64/Makefile @@ -10,6 +10,9 @@ obj-vdso64 = gettimeofday.o clock_getres.o clock_gettime.o note.o getcpu.o targets := $(obj-vdso64) vdso64.so vdso64.so.dbg obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) +KBUILD_AFLAGS += -DBUILD_VDSO +KBUILD_CFLAGS += -DBUILD_VDSO + KBUILD_AFLAGS_64 := $(filter-out -m64,$(KBUILD_AFLAGS)) KBUILD_AFLAGS_64 += -m64 -s diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S index faf5213b15df..081435398e0a 100644 --- a/arch/s390/kernel/vdso64/clock_getres.S +++ b/arch/s390/kernel/vdso64/clock_getres.S @@ -9,13 +9,14 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_clock_getres .type __kernel_clock_getres,@function __kernel_clock_getres: - .cfi_startproc + CFI_STARTPROC larl %r1,4f cghi %r2,__CLOCK_REALTIME_COARSE je 0f @@ -43,7 +44,7 @@ __kernel_clock_getres: 2: lghi %r1,__NR_clock_getres /* fallback to svc */ svc 0 br %r14 + CFI_ENDPROC 3: .quad __CLOCK_REALTIME_RES 4: .quad __CLOCK_COARSE_RES - .cfi_endproc .size __kernel_clock_getres,.-__kernel_clock_getres diff --git a/arch/s390/kernel/vdso64/clock_gettime.S b/arch/s390/kernel/vdso64/clock_gettime.S index 6046b3bfca46..fac3ab5ec83a 100644 --- a/arch/s390/kernel/vdso64/clock_gettime.S +++ b/arch/s390/kernel/vdso64/clock_gettime.S @@ -9,14 +9,17 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_clock_gettime .type __kernel_clock_gettime,@function __kernel_clock_gettime: - .cfi_startproc + CFI_STARTPROC aghi %r15,-16 + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 larl %r5,_vdso_data cghi %r2,__CLOCK_REALTIME_COARSE je 4f @@ -53,9 +56,13 @@ __kernel_clock_gettime: stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 aghi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 /* CLOCK_MONOTONIC_COARSE */ + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 3: lg %r4,__VDSO_UPD_COUNT(%r5) /* load update counter */ tmll %r4,0x0001 /* pending update ? loop */ jnz 3b @@ -108,9 +115,13 @@ __kernel_clock_gettime: stg %r1,8(%r3) /* store tp->tv_nsec */ lghi %r2,0 aghi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 /* CPUCLOCK_VIRT for this thread */ + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 9: lghi %r4,0 icm %r0,15,__VDSO_ECTG_OK(%r5) jz 12f @@ -131,15 +142,21 @@ __kernel_clock_gettime: stg %r4,8(%r3) lghi %r2,0 aghi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 /* Fallback to system call */ + CFI_DEF_CFA_OFFSET 176 + CFI_VAL_OFFSET 15, -160 12: lghi %r1,__NR_clock_gettime svc 0 aghi %r15,16 + CFI_DEF_CFA_OFFSET 160 + CFI_RESTORE 15 br %r14 + CFI_ENDPROC 13: .quad 1000000000 14: .quad 19342813113834067 - .cfi_endproc .size __kernel_clock_gettime,.-__kernel_clock_gettime diff --git a/arch/s390/kernel/vdso64/getcpu.S b/arch/s390/kernel/vdso64/getcpu.S index e9c34364d97b..2446e9dac8ab 100644 --- a/arch/s390/kernel/vdso64/getcpu.S +++ b/arch/s390/kernel/vdso64/getcpu.S @@ -8,13 +8,14 @@ */ #include <asm/vdso.h> #include <asm/asm-offsets.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_getcpu .type __kernel_getcpu,@function __kernel_getcpu: - .cfi_startproc + CFI_STARTPROC la %r4,0 sacf 256 l %r5,__VDSO_CPU_NR(%r4) @@ -28,5 +29,5 @@ __kernel_getcpu: st %r4,0(%r3) 3: lghi %r2,0 br %r14 - .cfi_endproc + CFI_ENDPROC .size __kernel_getcpu,.-__kernel_getcpu diff --git a/arch/s390/kernel/vdso64/gettimeofday.S b/arch/s390/kernel/vdso64/gettimeofday.S index cc9dbc27da6f..6e1f0b421695 100644 --- a/arch/s390/kernel/vdso64/gettimeofday.S +++ b/arch/s390/kernel/vdso64/gettimeofday.S @@ -9,14 +9,17 @@ #include <asm/vdso.h> #include <asm/asm-offsets.h> #include <asm/unistd.h> +#include <asm/dwarf.h> .text .align 4 .globl __kernel_gettimeofday .type __kernel_gettimeofday,@function __kernel_gettimeofday: - .cfi_startproc + CFI_STARTPROC aghi %r15,-16 + CFI_ADJUST_CFA_OFFSET 16 + CFI_VAL_OFFSET 15, -160 larl %r5,_vdso_data 0: ltgr %r3,%r3 /* check if tz is NULL */ je 1f @@ -58,8 +61,10 @@ __kernel_gettimeofday: stg %r0,8(%r2) /* store tv->tv_usec */ 4: lghi %r2,0 aghi %r15,16 + CFI_ADJUST_CFA_OFFSET -16 + CFI_RESTORE 15 br %r14 + CFI_ENDPROC 5: .quad 1000000000 .long 274877907 - .cfi_endproc .size __kernel_gettimeofday,.-__kernel_gettimeofday diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index a049ff005f03..608cf2987d19 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -141,4 +141,7 @@ SECTIONS /* Sections to be discarded */ DISCARDS + /DISCARD/ : { + *(.eh_frame) + } } diff --git a/arch/s390/tools/.gitignore b/arch/s390/tools/.gitignore index 72a4b2cf1365..71bd6f8eebaf 100644 --- a/arch/s390/tools/.gitignore +++ b/arch/s390/tools/.gitignore @@ -1 +1,2 @@ gen_facilities +gen_opcode_table diff --git a/arch/s390/tools/Makefile b/arch/s390/tools/Makefile index 2e70e25de07a..48cdac1143a9 100644 --- a/arch/s390/tools/Makefile +++ b/arch/s390/tools/Makefile @@ -3,22 +3,33 @@ # Makefile for s390 specific build tools # +kapi := arch/$(ARCH)/include/generated/asm +kapi-hdrs-y := $(kapi)/facility-defs.h $(kapi)/dis-defs.h + +targets += $(addprefix ../../../,$(kapi-hdrs-y)) +PHONY += kapi + +kapi: $(kapi-hdrs-y) + hostprogs-y += gen_facilities hostprogs-y += gen_opcode_table HOSTCFLAGS_gen_facilities.o += -Wall $(LINUXINCLUDE) HOSTCFLAGS_gen_opcode_table.o += -Wall $(LINUXINCLUDE) -define filechk_facilities.h +# Ensure output directory exists +_dummy := $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') + +define filechk_facility-defs.h $(obj)/gen_facilities endef -define filechk_dis.h +define filechk_dis-defs.h ( $(obj)/gen_opcode_table < $(srctree)/arch/$(ARCH)/tools/opcodes.txt ) endef -include/generated/facilities.h: $(obj)/gen_facilities FORCE - $(call filechk,facilities.h) +$(kapi)/facility-defs.h: $(obj)/gen_facilities FORCE + $(call filechk,facility-defs.h) -include/generated/dis.h: $(obj)/gen_opcode_table FORCE - $(call filechk,dis.h) +$(kapi)/dis-defs.h: $(obj)/gen_opcode_table FORCE + $(call filechk,dis-defs.h) diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c index 0373801d9860..424a1ba4f874 100644 --- a/arch/s390/tools/gen_facilities.c +++ b/arch/s390/tools/gen_facilities.c @@ -128,8 +128,8 @@ static void print_facility_lists(void) int main(int argc, char **argv) { - printf("#ifndef __ASM_S390_FACILITIES__\n"); - printf("#define __ASM_S390_FACILITIES__\n"); + printf("#ifndef __ASM_S390_FACILITY_DEFS__\n"); + printf("#define __ASM_S390_FACILITY_DEFS__\n"); printf("/*\n"); printf(" * DO NOT MODIFY.\n"); printf(" *\n"); diff --git a/arch/s390/tools/gen_opcode_table.c b/arch/s390/tools/gen_opcode_table.c index 357d42681cef..259aa0680d1a 100644 --- a/arch/s390/tools/gen_opcode_table.c +++ b/arch/s390/tools/gen_opcode_table.c @@ -321,8 +321,8 @@ int main(int argc, char **argv) struct gen_opcode *desc = &_desc; read_instructions(desc); - printf("#ifndef __S390_GENERATED_DIS_H__\n"); - printf("#define __S390_GENERATED_DIS_H__\n"); + printf("#ifndef __S390_GENERATED_DIS_DEFS_H__\n"); + printf("#define __S390_GENERATED_DIS_DEFS_H__\n"); printf("/*\n"); printf(" * DO NOT MODIFY.\n"); printf(" *\n"); |