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author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:03:19 +0100 |
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committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:14:51 +0100 |
commit | 6582b7f7743da6ce3e3714e9e8b18e0e073d4acd (patch) | |
tree | 649346d2333865ccd4bb4d560ceb50c39139c5c2 /arch/um/sys-x86_64/syscall_table.c | |
parent | 858ba94499b4f48e9eb0be7cf0092f1ea9460fef (diff) | |
download | op-kernel-dev-6582b7f7743da6ce3e3714e9e8b18e0e073d4acd.zip op-kernel-dev-6582b7f7743da6ce3e3714e9e8b18e0e073d4acd.tar.gz |
um: merge arch/um/sys-{i386,x86_64}
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/sys-x86_64/syscall_table.c')
-rw-r--r-- | arch/um/sys-x86_64/syscall_table.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c deleted file mode 100644 index f46de82..0000000 --- a/arch/um/sys-x86_64/syscall_table.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * System call table for UML/x86-64, copied from arch/x86_64/kernel/syscall.c - * with some changes for UML. - */ - -#include <linux/linkage.h> -#include <linux/sys.h> -#include <linux/cache.h> - -#define __NO_STUBS - -/* - * Below you can see, in terms of #define's, the differences between the x86-64 - * and the UML syscall table. - */ - -/* Not going to be implemented by UML, since we have no hardware. */ -#define stub_iopl sys_ni_syscall -#define sys_ioperm sys_ni_syscall - -/* - * The UML TLS problem. Note that x86_64 does not implement this, so the below - * is needed only for the ia32 compatibility. - */ - -/* On UML we call it this way ("old" means it's not mmap2) */ -#define sys_mmap old_mmap - -#define stub_clone sys_clone -#define stub_fork sys_fork -#define stub_vfork sys_vfork -#define stub_execve sys_execve -#define stub_rt_sigsuspend sys_rt_sigsuspend -#define stub_sigaltstack sys_sigaltstack -#define stub_rt_sigreturn sys_rt_sigreturn - -#define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; -#undef _ASM_X86_UNISTD_64_H -#include "../../x86/include/asm/unistd_64.h" - -#undef __SYSCALL -#define __SYSCALL(nr, sym) [ nr ] = sym, -#undef _ASM_X86_UNISTD_64_H - -typedef void (*sys_call_ptr_t)(void); - -extern void sys_ni_syscall(void); - -/* - * We used to have a trick here which made sure that holes in the - * x86_64 table were filled in with sys_ni_syscall, but a comment in - * unistd_64.h says that holes aren't allowed, so the trick was - * removed. - * The trick looked like this - * [0 ... UM_NR_syscall_max] = &sys_ni_syscall - * before including unistd_64.h - the later initializations overwrote - * the sys_ni_syscall filler. - */ - -sys_call_ptr_t sys_call_table[] __cacheline_aligned = { -#include "../../x86/include/asm/unistd_64.h" -}; - -int syscall_table_size = sizeof(sys_call_table); |