#include <asm/ia32_unistd.h>
#include <asm/thread_info.h>
#include <asm/segment.h>
-#include <asm/vsyscall32.h>
#include <asm/irqflags.h>
#include <linux/linkage.h>
pushfq
CFI_ADJUST_CFA_OFFSET 8
/*CFI_REL_OFFSET rflags,0*/
- movl $VSYSCALL32_SYSEXIT, %r10d
+ movl 8*3-THREAD_SIZE+threadinfo_sysenter_return(%rsp), %r10d
CFI_REGISTER rip,r10
pushq $__USER32_CS
CFI_ADJUST_CFA_OFFSET 8
andl $~TS_COMPAT,threadinfo_status(%r10)
/* clear IF, that popfq doesn't enable interrupts early */
andl $~0x200,EFLAGS-R11(%rsp)
+ movl RIP-R11(%rsp),%edx /* User %eip */
+ CFI_REGISTER rip,rdx
RESTORE_ARGS 1,24,1,1,1,1
popfq
CFI_ADJUST_CFA_OFFSET -8
popq %rcx /* User %esp */
CFI_ADJUST_CFA_OFFSET -8
CFI_REGISTER rsp,rcx
- movl $VSYSCALL32_SYSEXIT,%edx /* User %eip */
- CFI_REGISTER rip,rdx
TRACE_IRQS_ON
swapgs
sti /* sti only takes effect after the next instruction */
SAVE_REST
CLEAR_RREGS
movq %r9,R9(%rsp)
- movq $-ENOSYS,RAX(%rsp) /* really needed? */
+ movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
xchgl %ebp,%r9d
+ cmpl $(IA32_NR_syscalls-1),%eax
+ ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
jmp sysenter_do_call
CFI_ENDPROC
ENDPROC(ia32_sysenter_target)
SAVE_REST
CLEAR_RREGS
movq %r9,R9(%rsp)
- movq $-ENOSYS,RAX(%rsp) /* really needed? */
+ movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
xchgl %ebp,%r9d
movl RSP-ARGOFFSET(%rsp), %r8d
+ cmpl $(IA32_NR_syscalls-1),%eax
+ ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
jmp cstar_do_call
END(ia32_cstar_target)
jnz ia32_tracesys
ia32_do_syscall:
cmpl $(IA32_NR_syscalls-1),%eax
- ja ia32_badsys
+ ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
IA32_ARG_FIXUP
call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
ia32_sysret:
ia32_tracesys:
SAVE_REST
CLEAR_RREGS
- movq $-ENOSYS,RAX(%rsp) /* really needed? */
+ movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */
movq %rsp,%rdi /* &pt_regs -> arg1 */
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
.quad compat_sys_futex /* 240 */
.quad compat_sys_sched_setaffinity
.quad compat_sys_sched_getaffinity
- .quad sys32_set_thread_area
- .quad sys32_get_thread_area
+ .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 sys_epoll_pwait
.quad compat_sys_utimensat /* 320 */
.quad compat_sys_signalfd
- .quad compat_sys_timerfd
+ .quad sys_timerfd_create
.quad sys_eventfd
.quad sys32_fallocate
+ .quad compat_sys_timerfd_settime /* 325 */
+ .quad compat_sys_timerfd_gettime
ia32_syscall_end: