diff options
33 files changed, 1075 insertions, 1978 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index f47cdefb4d1e..ab0a984530d8 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -33,14 +33,15 @@ This document describes the Linux kernel Makefiles. === 6 Architecture Makefiles --- 6.1 Set variables to tweak the build to the architecture - --- 6.2 Add prerequisites to archprepare: - --- 6.3 List directories to visit when descending - --- 6.4 Architecture-specific boot images - --- 6.5 Building non-kbuild targets - --- 6.6 Commands useful for building a boot image - --- 6.7 Custom kbuild commands - --- 6.8 Preprocessing linker scripts - --- 6.9 Generic header files + --- 6.2 Add prerequisites to archheaders: + --- 6.3 Add prerequisites to archprepare: + --- 6.4 List directories to visit when descending + --- 6.5 Architecture-specific boot images + --- 6.6 Building non-kbuild targets + --- 6.7 Commands useful for building a boot image + --- 6.8 Custom kbuild commands + --- 6.9 Preprocessing linker scripts + --- 6.10 Generic header files === 7 Kbuild syntax for exported headers --- 7.1 header-y @@ -252,7 +253,7 @@ more details, with real examples. This will create a library lib.a based on delay.o. For kbuild to actually recognize that there is a lib.a being built, the directory shall be listed in libs-y. - See also "6.3 List directories to visit when descending". + See also "6.4 List directories to visit when descending". Use of lib-y is normally restricted to lib/ and arch/*/lib. @@ -974,7 +975,20 @@ When kbuild executes, the following steps are followed (roughly): $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic mode) if this option is supported by $(AR). ---- 6.2 Add prerequisites to archprepare: +--- 6.2 Add prerequisites to archheaders: + + The archheaders: rule is used to generate header files that + may be installed into user space by "make header_install" or + "make headers_install_all". In order to support + "make headers_install_all", this target has to be able to run + on an unconfigured tree, or a tree configured for another + architecture. + + It is run before "make archprepare" when run on the + architecture itself. + + +--- 6.3 Add prerequisites to archprepare: The archprepare: rule is used to list prerequisites that need to be built before starting to descend down in the subdirectories. @@ -990,7 +1004,7 @@ When kbuild executes, the following steps are followed (roughly): generating offset header files. ---- 6.3 List directories to visit when descending +--- 6.4 List directories to visit when descending An arch Makefile cooperates with the top Makefile to define variables which specify how to build the vmlinux file. Note that there is no @@ -1019,7 +1033,7 @@ When kbuild executes, the following steps are followed (roughly): drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/ ---- 6.4 Architecture-specific boot images +--- 6.5 Architecture-specific boot images An arch Makefile specifies goals that take the vmlinux file, compress it, wrap it in bootstrapping code, and copy the resulting files @@ -1070,7 +1084,7 @@ When kbuild executes, the following steps are followed (roughly): When "make" is executed without arguments, bzImage will be built. ---- 6.5 Building non-kbuild targets +--- 6.6 Building non-kbuild targets extra-y @@ -1090,7 +1104,7 @@ When kbuild executes, the following steps are followed (roughly): shall be built, but shall not be linked as part of built-in.o. ---- 6.6 Commands useful for building a boot image +--- 6.7 Commands useful for building a boot image Kbuild provides a few macros that are useful when building a boot image. @@ -1112,7 +1126,7 @@ When kbuild executes, the following steps are followed (roughly): always be built. Assignments to $(targets) are without $(obj)/ prefix. if_changed may be used in conjunction with custom commands as - defined in 6.7 "Custom kbuild commands". + defined in 6.8 "Custom kbuild commands". Note: It is a typical mistake to forget the FORCE prerequisite. Another common pitfall is that whitespace is sometimes @@ -1171,7 +1185,7 @@ When kbuild executes, the following steps are followed (roughly): $(obj)/%.dtb: $(src)/%.dts $(call cmd,dtc) ---- 6.7 Custom kbuild commands +--- 6.8 Custom kbuild commands When kbuild is executing with KBUILD_VERBOSE=0, then only a shorthand of a command is normally displayed. @@ -1198,7 +1212,7 @@ When kbuild executes, the following steps are followed (roughly): will be displayed with "make KBUILD_VERBOSE=0". ---- 6.8 Preprocessing linker scripts +--- 6.9 Preprocessing linker scripts When the vmlinux image is built, the linker script arch/$(ARCH)/kernel/vmlinux.lds is used. @@ -1228,7 +1242,7 @@ When kbuild executes, the following steps are followed (roughly): The kbuild infrastructure for *lds file are used in several architecture-specific files. ---- 6.9 Generic header files +--- 6.10 Generic header files The directory include/asm-generic contains the header files that may be shared between individual architectures. @@ -442,7 +442,7 @@ asm-generic: no-dot-config-targets := clean mrproper distclean \ cscope gtags TAGS tags help %docs check% coccicheck \ - include/linux/version.h headers_% \ + include/linux/version.h headers_% archheaders \ kernelversion %src-pkg config-targets := 0 @@ -979,7 +979,7 @@ prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \ include/config/auto.conf $(cmd_crmodverdir) -archprepare: prepare1 scripts_basic +archprepare: archheaders prepare1 scripts_basic prepare0: archprepare FORCE $(Q)$(MAKE) $(build)=. @@ -1046,8 +1046,11 @@ hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj # If we do an all arch process set dst to asm-$(hdr-arch) hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm) +PHONY += archheaders +archheaders: + PHONY += __headers -__headers: include/linux/version.h scripts_basic asm-generic FORCE +__headers: include/linux/version.h scripts_basic asm-generic archheaders FORCE $(Q)$(MAKE) $(build)=scripts build_unifdef PHONY += headers_install_all diff --git a/arch/um/Makefile b/arch/um/Makefile index 7730af6ec13f..28688e6d96d7 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -64,7 +64,8 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\ #This will adjust *FLAGS accordingly to the platform. include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) -KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include +KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include \ + -I$(HOST_DIR)/include/generated # -Derrno=kernel_errno - This turns all kernel references to errno into # kernel_errno to separate them from the libc errno. This allows -fno-common @@ -96,6 +97,10 @@ endef KBUILD_KCONFIG := $(HOST_DIR)/um/Kconfig +archheaders: + $(Q)$(MAKE) -C '$(srctree)' KBUILD_SRC= \ + ARCH=$(SUBARCH) O='$(objtree)' archheaders + archprepare: include/generated/user_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static @@ -135,7 +140,7 @@ archclean: # Generated files -$(HOST_DIR)/um/user-offsets.s: FORCE +$(HOST_DIR)/um/user-offsets.s: __headers FORCE $(Q)$(MAKE) $(build)=$(HOST_DIR)/um $@ define filechk_gen-asm-offsets diff --git a/arch/x86/Makefile b/arch/x86/Makefile index b02e509072a7..209ba1294592 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -118,6 +118,12 @@ KBUILD_CFLAGS += $(mflags-y) KBUILD_AFLAGS += $(mflags-y) ### +# Syscall table generation + +archheaders: + $(Q)$(MAKE) $(build)=arch/x86/syscalls all + +### # Kernel objects head-y := arch/x86/kernel/head_$(BITS).o diff --git a/arch/x86/ia32/Makefile b/arch/x86/ia32/Makefile index 52d0ccfcf6ea..455646e0e532 100644 --- a/arch/x86/ia32/Makefile +++ b/arch/x86/ia32/Makefile @@ -3,6 +3,7 @@ # obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o +obj-$(CONFIG_IA32_EMULATION) += nosyscall.o syscall_ia32.o sysv-$(CONFIG_SYSVIPC) := ipc32.o obj-$(CONFIG_IA32_EMULATION) += $(sysv-y) diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 3e274564f6bf..1106261856c8 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -27,8 +27,6 @@ .section .entry.text, "ax" -#define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8) - .macro IA32_ARG_FIXUP noebp=0 movl %edi,%r8d .if \noebp @@ -447,9 +445,6 @@ ia32_badsys: movq $-ENOSYS,%rax jmp ia32_sysret -quiet_ni_syscall: - movq $-ENOSYS,%rax - ret CFI_ENDPROC .macro PTREGSCALL label, func, arg @@ -494,357 +489,3 @@ ia32_ptregs_common: jmp ia32_sysret /* misbalances the return cache */ CFI_ENDPROC END(ia32_ptregs_common) - - .section .rodata,"a" - .align 8 -ia32_sys_call_table: - .quad sys_restart_syscall - .quad sys_exit - .quad stub32_fork - .quad sys_read - .quad sys_write - .quad compat_sys_open /* 5 */ - .quad sys_close - .quad sys32_waitpid - .quad sys_creat - .quad sys_link - .quad sys_unlink /* 10 */ - .quad stub32_execve - .quad sys_chdir - .quad compat_sys_time - .quad sys_mknod - .quad sys_chmod /* 15 */ - .quad sys_lchown16 - .quad quiet_ni_syscall /* old break syscall holder */ - .quad sys_stat - .quad sys32_lseek - .quad sys_getpid /* 20 */ - .quad compat_sys_mount /* mount */ - .quad sys_oldumount /* old_umount */ - .quad sys_setuid16 - .quad sys_getuid16 - .quad compat_sys_stime /* stime */ /* 25 */ - .quad compat_sys_ptrace /* ptrace */ - .quad sys_alarm - .quad sys_fstat /* (old)fstat */ - .quad sys_pause - .quad compat_sys_utime /* 30 */ - .quad quiet_ni_syscall /* old stty syscall holder */ - .quad quiet_ni_syscall /* old gtty syscall holder */ - .quad sys_access - .quad sys_nice - .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */ - .quad sys_sync - .quad sys32_kill - .quad sys_rename - .quad sys_mkdir - .quad sys_rmdir /* 40 */ - .quad sys_dup - .quad sys_pipe - .quad compat_sys_times - .quad quiet_ni_syscall /* old prof syscall holder */ - .quad sys_brk /* 45 */ - .quad sys_setgid16 - .quad sys_getgid16 - .quad sys_signal - .quad sys_geteuid16 - .quad sys_getegid16 /* 50 */ - .quad sys_acct - .quad sys_umount /* new_umount */ - .quad quiet_ni_syscall /* old lock syscall holder */ - .quad compat_sys_ioctl - .quad compat_sys_fcntl64 /* 55 */ - .quad quiet_ni_syscall /* old mpx syscall holder */ - .quad sys_setpgid - .quad quiet_ni_syscall /* old ulimit syscall holder */ - .quad sys_olduname - .quad sys_umask /* 60 */ - .quad sys_chroot - .quad compat_sys_ustat - .quad sys_dup2 - .quad sys_getppid - .quad sys_getpgrp /* 65 */ - .quad sys_setsid - .quad sys32_sigaction - .quad sys_sgetmask - .quad sys_ssetmask - .quad sys_setreuid16 /* 70 */ - .quad sys_setregid16 - .quad sys32_sigsuspend - .quad compat_sys_sigpending - .quad sys_sethostname - .quad compat_sys_setrlimit /* 75 */ - .quad compat_sys_old_getrlimit /* old_getrlimit */ - .quad compat_sys_getrusage - .quad compat_sys_gettimeofday - .quad compat_sys_settimeofday - .quad sys_getgroups16 /* 80 */ - .quad sys_setgroups16 - .quad compat_sys_old_select - .quad sys_symlink - .quad sys_lstat - .quad sys_readlink /* 85 */ - .quad sys_uselib - .quad sys_swapon - .quad sys_reboot - .quad compat_sys_old_readdir - .quad sys32_mmap /* 90 */ - .quad sys_munmap - .quad sys_truncate - .quad sys_ftruncate - .quad sys_fchmod - .quad sys_fchown16 /* 95 */ - .quad sys_getpriority - .quad sys_setpriority - .quad quiet_ni_syscall /* old profil syscall holder */ - .quad compat_sys_statfs - .quad compat_sys_fstatfs /* 100 */ - .quad sys_ioperm - .quad compat_sys_socketcall - .quad sys_syslog - .quad compat_sys_setitimer - .quad compat_sys_getitimer /* 105 */ - .quad compat_sys_newstat - .quad compat_sys_newlstat - .quad compat_sys_newfstat - .quad sys_uname - .quad stub32_iopl /* 110 */ - .quad sys_vhangup - .quad quiet_ni_syscall /* old "idle" system call */ - .quad sys32_vm86_warning /* vm86old */ - .quad compat_sys_wait4 - .quad sys_swapoff /* 115 */ - .quad compat_sys_sysinfo - .quad sys32_ipc - .quad sys_fsync - .quad stub32_sigreturn - .quad stub32_clone /* 120 */ - .quad sys_setdomainname - .quad sys_newuname - .quad sys_modify_ldt - .quad compat_sys_adjtimex - .quad sys32_mprotect /* 125 */ - .quad compat_sys_sigprocmask - .quad quiet_ni_syscall /* create_module */ - .quad sys_init_module - .quad sys_delete_module - .quad quiet_ni_syscall /* 130 get_kernel_syms */ - .quad sys32_quotactl - .quad sys_getpgid - .quad sys_fchdir - .quad quiet_ni_syscall /* bdflush */ - .quad sys_sysfs /* 135 */ - .quad sys_personality - .quad quiet_ni_syscall /* for afs_syscall */ - .quad sys_setfsuid16 - .quad sys_setfsgid16 - .quad sys_llseek /* 140 */ - .quad compat_sys_getdents - .quad compat_sys_select - .quad sys_flock - .quad sys_msync - .quad compat_sys_readv /* 145 */ - .quad compat_sys_writev - .quad sys_getsid - .quad sys_fdatasync - .quad compat_sys_sysctl /* sysctl */ - .quad sys_mlock /* 150 */ - .quad sys_munlock - .quad sys_mlockall - .quad sys_munlockall - .quad sys_sched_setparam - .quad sys_sched_getparam /* 155 */ - .quad sys_sched_setscheduler - .quad sys_sched_getscheduler - .quad sys_sched_yield - .quad sys_sched_get_priority_max - .quad sys_sched_get_priority_min /* 160 */ - .quad sys32_sched_rr_get_interval - .quad compat_sys_nanosleep - .quad sys_mremap - .quad sys_setresuid16 - .quad sys_getresuid16 /* 165 */ - .quad sys32_vm86_warning /* vm86 */ - .quad quiet_ni_syscall /* query_module */ - .quad sys_poll - .quad quiet_ni_syscall /* old nfsservctl */ - .quad sys_setresgid16 /* 170 */ - .quad sys_getresgid16 - .quad sys_prctl - .quad stub32_rt_sigreturn - .quad sys32_rt_sigaction - .quad sys32_rt_sigprocmask /* 175 */ - .quad sys32_rt_sigpending - .quad compat_sys_rt_sigtimedwait - .quad sys32_rt_sigqueueinfo - .quad sys_rt_sigsuspend - .quad sys32_pread /* 180 */ - .quad sys32_pwrite - .quad sys_chown16 - .quad sys_getcwd - .quad sys_capget - .quad sys_capset - .quad stub32_sigaltstack - .quad sys32_sendfile - .quad quiet_ni_syscall /* streams1 */ - .quad quiet_ni_syscall /* streams2 */ - .quad stub32_vfork /* 190 */ - .quad compat_sys_getrlimit - .quad sys_mmap_pgoff - .quad sys32_truncate64 - .quad sys32_ftruncate64 - .quad sys32_stat64 /* 195 */ - .quad sys32_lstat64 - .quad sys32_fstat64 - .quad sys_lchown - .quad sys_getuid - .quad sys_getgid /* 200 */ - .quad sys_geteuid - .quad sys_getegid - .quad sys_setreuid - .quad sys_setregid - .quad sys_getgroups /* 205 */ - .quad sys_setgroups - .quad sys_fchown - .quad sys_setresuid - .quad sys_getresuid - .quad sys_setresgid /* 210 */ - .quad sys_getresgid - .quad sys_chown - .quad sys_setuid - .quad sys_setgid - .quad sys_setfsuid /* 215 */ - .quad sys_setfsgid - .quad sys_pivot_root - .quad sys_mincore - .quad sys_madvise - .quad compat_sys_getdents64 /* 220 getdents64 */ - .quad compat_sys_fcntl64 - .quad quiet_ni_syscall /* tux */ - .quad quiet_ni_syscall /* security */ - .quad sys_gettid - .quad sys32_readahead /* 225 */ - .quad sys_setxattr - .quad sys_lsetxattr - .quad sys_fsetxattr - .quad sys_getxattr - .quad sys_lgetxattr /* 230 */ - .quad sys_fgetxattr - .quad sys_listxattr - .quad sys_llistxattr - .quad sys_flistxattr - .quad sys_removexattr /* 235 */ - .quad sys_lremovexattr - .quad sys_fremovexattr - .quad sys_tkill - .quad sys_sendfile64 - .quad compat_sys_futex /* 240 */ - .quad compat_sys_sched_setaffinity - .quad compat_sys_sched_getaffinity - .quad sys_set_thread_area - .quad sys_get_thread_area - .quad compat_sys_io_setup /* 245 */ - .quad sys_io_destroy - .quad compat_sys_io_getevents - .quad compat_sys_io_submit - .quad sys_io_cancel - .quad sys32_fadvise64 /* 250 */ - .quad quiet_ni_syscall /* free_huge_pages */ - .quad sys_exit_group - .quad sys32_lookup_dcookie - .quad sys_epoll_create - .quad sys_epoll_ctl /* 255 */ - .quad sys_epoll_wait - .quad sys_remap_file_pages - .quad sys_set_tid_address - .quad compat_sys_timer_create - .quad compat_sys_timer_settime /* 260 */ - .quad compat_sys_timer_gettime - .quad sys_timer_getoverrun - .quad sys_timer_delete - .quad compat_sys_clock_settime - .quad compat_sys_clock_gettime /* 265 */ - .quad compat_sys_clock_getres - .quad compat_sys_clock_nanosleep - .quad compat_sys_statfs64 - .quad compat_sys_fstatfs64 - .quad sys_tgkill /* 270 */ - .quad compat_sys_utimes - .quad sys32_fadvise64_64 - .quad quiet_ni_syscall /* sys_vserver */ - .quad sys_mbind - .quad compat_sys_get_mempolicy /* 275 */ - .quad sys_set_mempolicy - .quad compat_sys_mq_open - .quad sys_mq_unlink - .quad compat_sys_mq_timedsend - .quad compat_sys_mq_timedreceive /* 280 */ - .quad compat_sys_mq_notify - .quad compat_sys_mq_getsetattr - .quad compat_sys_kexec_load /* reserved for kexec */ - .quad compat_sys_waitid - .quad quiet_ni_syscall /* 285: sys_altroot */ - .quad sys_add_key - .quad sys_request_key - .quad sys_keyctl - .quad sys_ioprio_set - .quad sys_ioprio_get /* 290 */ - .quad sys_inotify_init - .quad sys_inotify_add_watch - .quad sys_inotify_rm_watch - .quad sys_migrate_pages - .quad compat_sys_openat /* 295 */ - .quad sys_mkdirat - .quad sys_mknodat - .quad sys_fchownat - .quad compat_sys_futimesat - .quad sys32_fstatat /* 300 */ - .quad sys_unlinkat - .quad sys_renameat - .quad sys_linkat - .quad sys_symlinkat - .quad sys_readlinkat /* 305 */ - .quad sys_fchmodat - .quad sys_faccessat - .quad compat_sys_pselect6 - .quad compat_sys_ppoll - .quad sys_unshare /* 310 */ - .quad compat_sys_set_robust_list - .quad compat_sys_get_robust_list - .quad sys_splice - .quad sys32_sync_file_range - .quad sys_tee /* 315 */ - .quad compat_sys_vmsplice - .quad compat_sys_move_pages - .quad sys_getcpu - .quad sys_epoll_pwait - .quad compat_sys_utimensat /* 320 */ - .quad compat_sys_signalfd - .quad sys_timerfd_create - .quad sys_eventfd - .quad sys32_fallocate - .quad compat_sys_timerfd_settime /* 325 */ - .quad compat_sys_timerfd_gettime - .quad compat_sys_signalfd4 - .quad sys_eventfd2 - .quad sys_epoll_create1 - .quad sys_dup3 /* 330 */ - .quad sys_pipe2 - .quad sys_inotify_init1 - .quad compat_sys_preadv - .quad compat_sys_pwritev - .quad compat_sys_rt_tgsigqueueinfo /* 335 */ - .quad sys_perf_event_open - .quad compat_sys_recvmmsg - .quad sys_fanotify_init - .quad sys32_fanotify_mark - .quad sys_prlimit64 /* 340 */ - .quad sys_name_to_handle_at - .quad compat_sys_open_by_handle_at - .quad compat_sys_clock_adjtime - .quad sys_syncfs - .quad compat_sys_sendmmsg /* 345 */ - .quad sys_setns - .quad compat_sys_process_vm_readv - .quad compat_sys_process_vm_writev -ia32_syscall_end: diff --git a/arch/x86/ia32/nosyscall.c b/arch/x86/ia32/nosyscall.c new file mode 100644 index 000000000000..51ecd5b4e787 --- /dev/null +++ b/arch/x86/ia32/nosyscall.c @@ -0,0 +1,7 @@ +#include <linux/kernel.h> +#include <linux/errno.h> + +long compat_ni_syscall(void) +{ + return -ENOSYS; +} diff --git a/arch/x86/ia32/syscall_ia32.c b/arch/x86/ia32/syscall_ia32.c new file mode 100644 index 000000000000..4754ba0f5d9f --- /dev/null +++ b/arch/x86/ia32/syscall_ia32.c @@ -0,0 +1,25 @@ +/* System call table for ia32 emulation. */ + +#include <linux/linkage.h> +#include <linux/sys.h> +#include <linux/cache.h> +#include <asm/asm-offsets.h> + +#define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void compat(void) ; +#include <asm/syscalls_32.h> +#undef __SYSCALL_I386 + +#define __SYSCALL_I386(nr, sym, compat) [nr] = compat, + +typedef void (*sys_call_ptr_t)(void); + +extern void compat_ni_syscall(void); + +const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = { + /* + * Smells like a compiler bug -- it doesn't work + * when the & below is removed. + */ + [0 ... __NR_ia32_syscall_max] = &compat_ni_syscall, +#include <asm/syscalls_32.h> +}; diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 6fa90a845e4c..b57e6a43a37a 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -19,7 +19,8 @@ header-y += processor-flags.h header-y += ptrace-abi.h header-y += sigcontext32.h header-y += ucontext.h -header-y += unistd_32.h -header-y += unistd_64.h header-y += vm86.h header-y += vsyscall.h + +genhdr-y += unistd_32.h +genhdr-y += unistd_64.h diff --git a/arch/x86/include/asm/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h index 976f6ecd2ce6..b0d5716ca1e4 100644 --- a/arch/x86/include/asm/ia32_unistd.h +++ b/arch/x86/include/asm/ia32_unistd.h @@ -2,17 +2,10 @@ #define _ASM_X86_IA32_UNISTD_H /* - * This file contains the system call numbers of the ia32 port, + * This file contains the system call numbers of the ia32 compat ABI, * this is for the kernel only. - * Only add syscalls here where some part of the kernel needs to know - * the number. This should be otherwise in sync with asm-x86/unistd_32.h. -AK */ - -#define __NR_ia32_restart_syscall 0 -#define __NR_ia32_exit 1 -#define __NR_ia32_read 3 -#define __NR_ia32_write 4 -#define __NR_ia32_sigreturn 119 -#define __NR_ia32_rt_sigreturn 173 +#define __SYSCALL_ia32_NR(x) (x) +#include <asm/unistd_32_ia32.h> #endif /* _ASM_X86_IA32_UNISTD_H */ diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index c4a348f7bd43..d962e5652a73 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -15,6 +15,7 @@ #include <linux/sched.h> #include <linux/err.h> +#include <asm/asm-offsets.h> /* For NR_syscalls */ extern const unsigned long sys_call_table[]; diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 2a58ed3e51d8..b4a3db7ce140 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -1,13 +1,59 @@ +#ifndef _ASM_X86_UNISTD_H +#define _ASM_X86_UNISTD_H 1 + #ifdef __KERNEL__ # ifdef CONFIG_X86_32 -# include "unistd_32.h" + +# include <asm/unistd_32.h> +# define __ARCH_WANT_IPC_PARSE_VERSION +# define __ARCH_WANT_STAT64 +# define __ARCH_WANT_SYS_OLD_MMAP +# define __ARCH_WANT_SYS_OLD_SELECT + # else -# include "unistd_64.h" + +# include <asm/unistd_64.h> +# define __ARCH_WANT_COMPAT_SYS_TIME + # endif + +# define __ARCH_WANT_OLD_READDIR +# define __ARCH_WANT_OLD_STAT +# define __ARCH_WANT_SYS_ALARM +# define __ARCH_WANT_SYS_FADVISE64 +# define __ARCH_WANT_SYS_GETHOSTNAME +# define __ARCH_WANT_SYS_GETPGRP +# define __ARCH_WANT_SYS_LLSEEK +# define __ARCH_WANT_SYS_NICE +# define __ARCH_WANT_SYS_OLDUMOUNT +# define __ARCH_WANT_SYS_OLD_GETRLIMIT +# define __ARCH_WANT_SYS_OLD_UNAME +# define __ARCH_WANT_SYS_PAUSE +# define __ARCH_WANT_SYS_RT_SIGACTION +# define __ARCH_WANT_SYS_RT_SIGSUSPEND +# define __ARCH_WANT_SYS_SGETMASK +# define __ARCH_WANT_SYS_SIGNAL +# define __ARCH_WANT_SYS_SIGPENDING +# define __ARCH_WANT_SYS_SIGPROCMASK +# define __ARCH_WANT_SYS_SOCKETCALL +# define __ARCH_WANT_SYS_TIME +# define __ARCH_WANT_SYS_UTIME +# define __ARCH_WANT_SYS_WAITPID + +/* + * "Conditional" syscalls + * + * What we want is __attribute__((weak,alias("sys_ni_syscall"))), + * but it doesn't work on all toolchains, so we just do it by hand + */ +# define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") + #else # ifdef __i386__ -# include "unistd_32.h" +# include <asm/unistd_32.h> # else -# include "unistd_64.h" +# include <asm/unistd_64.h> # endif #endif + +#endif /* _ASM_X86_UNISTD_H */ diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h deleted file mode 100644 index 599c77d38f33..000000000000 --- a/arch/x86/include/asm/unistd_32.h +++ /dev/null @@ -1,401 +0,0 @@ -#ifndef _ASM_X86_UNISTD_32_H -#define _ASM_X86_UNISTD_32_H - -/* - * This file contains the system call numbers. - */ - -#define __NR_restart_syscall 0 -#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_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#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_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 -#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_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#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_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#def |