diff options
-rw-r--r-- | arch/x86_64/ia32/ia32entry.S | 17 | ||||
-rw-r--r-- | include/asm-x86_64/ia32_unistd.h | 2 |
2 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index 35b2faccdc6c..393dc83f3b83 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S | |||
@@ -15,6 +15,8 @@ | |||
15 | #include <asm/vsyscall32.h> | 15 | #include <asm/vsyscall32.h> |
16 | #include <linux/linkage.h> | 16 | #include <linux/linkage.h> |
17 | 17 | ||
18 | #define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8) | ||
19 | |||
18 | .macro IA32_ARG_FIXUP noebp=0 | 20 | .macro IA32_ARG_FIXUP noebp=0 |
19 | movl %edi,%r8d | 21 | movl %edi,%r8d |
20 | .if \noebp | 22 | .if \noebp |
@@ -109,8 +111,8 @@ ENTRY(ia32_sysenter_target) | |||
109 | CFI_REMEMBER_STATE | 111 | CFI_REMEMBER_STATE |
110 | jnz sysenter_tracesys | 112 | jnz sysenter_tracesys |
111 | sysenter_do_call: | 113 | sysenter_do_call: |
112 | cmpl $(IA32_NR_syscalls),%eax | 114 | cmpl $(IA32_NR_syscalls-1),%eax |
113 | jae ia32_badsys | 115 | ja ia32_badsys |
114 | IA32_ARG_FIXUP 1 | 116 | IA32_ARG_FIXUP 1 |
115 | call *ia32_sys_call_table(,%rax,8) | 117 | call *ia32_sys_call_table(,%rax,8) |
116 | movq %rax,RAX-ARGOFFSET(%rsp) | 118 | movq %rax,RAX-ARGOFFSET(%rsp) |
@@ -210,8 +212,8 @@ ENTRY(ia32_cstar_target) | |||
210 | CFI_REMEMBER_STATE | 212 | CFI_REMEMBER_STATE |
211 | jnz cstar_tracesys | 213 | jnz cstar_tracesys |
212 | cstar_do_call: | 214 | cstar_do_call: |
213 | cmpl $IA32_NR_syscalls,%eax | 215 | cmpl $IA32_NR_syscalls-1,%eax |
214 | jae ia32_badsys | 216 | ja ia32_badsys |
215 | IA32_ARG_FIXUP 1 | 217 | IA32_ARG_FIXUP 1 |
216 | call *ia32_sys_call_table(,%rax,8) | 218 | call *ia32_sys_call_table(,%rax,8) |
217 | movq %rax,RAX-ARGOFFSET(%rsp) | 219 | movq %rax,RAX-ARGOFFSET(%rsp) |
@@ -296,8 +298,8 @@ ENTRY(ia32_syscall) | |||
296 | testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10) | 298 | testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP),threadinfo_flags(%r10) |
297 | jnz ia32_tracesys | 299 | jnz ia32_tracesys |
298 | ia32_do_syscall: | 300 | ia32_do_syscall: |
299 | cmpl $(IA32_NR_syscalls),%eax | 301 | cmpl $(IA32_NR_syscalls-1),%eax |
300 | jae ia32_badsys | 302 | ja ia32_badsys |
301 | IA32_ARG_FIXUP | 303 | IA32_ARG_FIXUP |
302 | call *ia32_sys_call_table(,%rax,8) # xxx: rip relative | 304 | call *ia32_sys_call_table(,%rax,8) # xxx: rip relative |
303 | ia32_sysret: | 305 | ia32_sysret: |
@@ -691,6 +693,3 @@ ia32_sys_call_table: | |||
691 | .quad compat_sys_set_robust_list | 693 | .quad compat_sys_set_robust_list |
692 | .quad compat_sys_get_robust_list | 694 | .quad compat_sys_get_robust_list |
693 | ia32_syscall_end: | 695 | ia32_syscall_end: |
694 | .rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8 | ||
695 | .quad ni_syscall | ||
696 | .endr | ||
diff --git a/include/asm-x86_64/ia32_unistd.h b/include/asm-x86_64/ia32_unistd.h index 34ad297f9d58..b4f4b172b15a 100644 --- a/include/asm-x86_64/ia32_unistd.h +++ b/include/asm-x86_64/ia32_unistd.h | |||
@@ -317,6 +317,4 @@ | |||
317 | #define __NR_ia32_ppoll 309 | 317 | #define __NR_ia32_ppoll 309 |
318 | #define __NR_ia32_unshare 310 | 318 | #define __NR_ia32_unshare 310 |
319 | 319 | ||
320 | #define IA32_NR_syscalls 311 /* must be > than biggest syscall! */ | ||
321 | |||
322 | #endif /* _ASM_X86_64_IA32_UNISTD_H_ */ | 320 | #endif /* _ASM_X86_64_IA32_UNISTD_H_ */ |