diff options
Diffstat (limited to 'sys/amd64/amd64/locore.s')
| -rw-r--r-- | sys/amd64/amd64/locore.s | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/sys/amd64/amd64/locore.s b/sys/amd64/amd64/locore.s index e87c275..a1b6ff7 100644 --- a/sys/amd64/amd64/locore.s +++ b/sys/amd64/amd64/locore.s @@ -415,37 +415,14 @@ NON_GPROF_ENTRY(prepare_usermode) */ NON_GPROF_ENTRY(sigcode) call SIGF_HANDLER(%esp) /* call signal handler */ - movl SIGF_SIGRET(%esp),%eax /* Get sigreturn cookie */ - cmpl $0x0ABCDEF0,%eax /* New one? */ - jne 3f -/* New signalling code */ - lea SIGF_UC(%esp),%eax /* get ucontext */ + lea SIGF_UC(%esp),%eax /* get ucontext_t */ pushl %eax - testl $PSL_VM,UC_EFLAGS(%eax) - jne 1f - movl UC_GS(%eax),%gs /* restore %gs */ -1: - movl $SYS_sigreturn,%eax - pushl %eax /* junk to fake return addr. */ - int $0x80 /* enter kernel with args */ - /* on stack */ -2: - jmp 2b -/* Old signalling code */ -3: - lea SIGF_SC(%esp),%eax /* get sigcontext */ - pushl %eax - testl $PSL_VM,SC_PS(%eax) - jne 4f - movl SC_GS(%eax),%gs /* restore %gs */ -4: movl $SYS_osigreturn,%eax pushl %eax /* junk to fake return addr. */ int $0x80 /* enter kernel with args */ /* on stack */ -5: - jmp 5b - +1: + jmp 1b ALIGN_TEXT _esigcode: |
