| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 2767 | 69.73% | 39 | 39.39% |
| David S. Miller | 568 | 14.31% | 33 | 33.33% |
| Marco Elver | 341 | 8.59% | 2 | 2.02% |
| Al Viro | 101 | 2.55% | 4 | 4.04% |
| Linus Torvalds | 78 | 1.97% | 2 | 2.02% |
| Kirill V Tkhai | 43 | 1.08% | 1 | 1.01% |
| Eric W. Biedermann | 18 | 0.45% | 2 | 2.02% |
| Roland McGrath | 16 | 0.40% | 1 | 1.01% |
| Bruce D. Elliott | 6 | 0.15% | 1 | 1.01% |
| Allen Pais | 5 | 0.13% | 1 | 1.01% |
| Jens Axboe | 4 | 0.10% | 1 | 1.01% |
| Gustavo A. R. Silva | 4 | 0.10% | 1 | 1.01% |
| David Howells | 3 | 0.08% | 1 | 1.01% |
| Pete Zaitcev | 3 | 0.08% | 1 | 1.01% |
| Sam Ravnborg | 2 | 0.05% | 1 | 1.01% |
| Matt Fleming | 2 | 0.05% | 1 | 1.01% |
| Andrew Lutomirski | 1 | 0.03% | 1 | 1.01% |
| Arnd Bergmann | 1 | 0.03% | 1 | 1.01% |
| Rick Edgecombe | 1 | 0.03% | 1 | 1.01% |
| Jakub Jelínek | 1 | 0.03% | 1 | 1.01% |
| Adrian Bunk | 1 | 0.03% | 1 | 1.01% |
| Björn Helgaas | 1 | 0.03% | 1 | 1.01% |
| Greg Kroah-Hartman | 1 | 0.03% | 1 | 1.01% |
| Total | 3968 | 99 |
// SPDX-License-Identifier: GPL-2.0 /* * arch/sparc64/kernel/signal.c * * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net) * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx) * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) */ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> #include <linux/wait.h> #include <linux/ptrace.h> #include <linux/resume_user_mode.h> #include <linux/unistd.h> #include <linux/mm.h> #include <linux/tty.h> #include <linux/binfmts.h> #include <linux/bitops.h> #include <linux/context_tracking.h> #include <linux/uaccess.h> #include <asm/ptrace.h> #include <asm/fpumacro.h> #include <asm/uctx.h> #include <asm/siginfo.h> #include <asm/visasm.h> #include <asm/switch_to.h> #include <asm/cacheflush.h> #include "sigutil.h" #include "systbls.h" #include "kernel.h" #include "entry.h" /* {set, get}context() needed for 64-bit SparcLinux userland. */ asmlinkage void sparc64_set_context(struct pt_regs *regs) { struct ucontext __user *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0]; enum ctx_state prev_state = exception_enter(); mc_gregset_t __user *grp; unsigned long pc, npc, tstate; unsigned long fp, i7; unsigned char fenab; int err; synchronize_user_stack(); if (get_thread_wsaved() || (((unsigned long)ucp) & (sizeof(unsigned long)-1)) || (!__access_ok(ucp, sizeof(*ucp)))) goto do_sigsegv; grp = &ucp->uc_mcontext.mc_gregs; err = __get_user(pc, &((*grp)[MC_PC])); err |= __get_user(npc, &((*grp)[MC_NPC])); if (err || ((pc | npc) & 3)) goto do_sigsegv; if (regs->u_regs[UREG_I1]) { sigset_t set; if (_NSIG_WORDS == 1) { if (__get_user(set.sig[0], &ucp->uc_sigmask.sig[0])) goto do_sigsegv; } else { if (__copy_from_user(&set, &ucp->uc_sigmask, sizeof(sigset_t))) goto do_sigsegv; } set_current_blocked(&set); } if (test_thread_flag(TIF_32BIT)) { pc &= 0xffffffff; npc &= 0xffffffff; } regs->tpc = pc; regs->tnpc = npc; err |= __get_user(regs->y, &((*grp)[MC_Y])); err |= __get_user(tstate, &((*grp)[MC_TSTATE])); regs->tstate &= ~(TSTATE_ASI | TSTATE_ICC | TSTATE_XCC); regs->tstate |= (tstate & (TSTATE_ASI | TSTATE_ICC | TSTATE_XCC)); err |= __get_user(regs->u_regs[UREG_G1], (&(*grp)[MC_G1])); err |= __get_user(regs->u_regs[UREG_G2], (&(*grp)[MC_G2])); err |= __get_user(regs->u_regs[UREG_G3], (&(*grp)[MC_G3])); err |= __get_user(regs->u_regs[UREG_G4], (&(*grp)[MC_G4])); err |= __get_user(regs->u_regs[UREG_G5], (&(*grp)[MC_G5])); err |= __get_user(regs->u_regs[UREG_G6], (&(*grp)[MC_G6])); /* Skip %g7 as that's the thread register in userspace. */ err |= __get_user(regs->u_regs[UREG_I0], (&(*grp)[MC_O0])); err |= __get_user(regs->u_regs[UREG_I1], (&(*grp)[MC_O1])); err |= __get_user(regs->u_regs[UREG_I2], (&(*grp)[MC_O2])); err |= __get_user(regs->u_regs[UREG_I3], (&(*grp)[MC_O3])); err |= __get_user(regs->u_regs[UREG_I4], (&(*grp)[MC_O4])); err |= __get_user(regs->u_regs[UREG_I5], (&(*grp)[MC_O5])); err |= __get_user(regs->u_regs[UREG_I6], (&(*grp)[MC_O6])); err |= __get_user(regs->u_regs[UREG_I7], (&(*grp)[MC_O7])); err |= __get_user(fp, &(ucp->uc_mcontext.mc_fp)); err |= __get_user(i7, &(ucp->uc_mcontext.mc_i7)); err |= __put_user(fp, (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6]))); err |= __put_user(i7, (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7]))); err |= __get_user(fenab, &(ucp->uc_mcontext.mc_fpregs.mcfpu_enab)); if (fenab) { unsigned long *fpregs = current_thread_info()->fpregs; unsigned long fprs; fprs_write(0); err |= __get_user(fprs, &(ucp->uc_mcontext.mc_fpregs.mcfpu_fprs)); if (fprs & FPRS_DL) err |= copy_from_user(fpregs, &(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs), (sizeof(unsigned int) * 32)); if (fprs & FPRS_DU) err |= copy_from_user(fpregs+16, ((unsigned long __user *)&(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs))+16, (sizeof(unsigned int) * 32)); err |= __get_user(current_thread_info()->xfsr[0], &(ucp->uc_mcontext.mc_fpregs.mcfpu_fsr)); err |= __get_user(current_thread_info()->gsr[0], &(ucp->uc_mcontext.mc_fpregs.mcfpu_gsr)); regs->tstate &= ~TSTATE_PEF; } if (err) goto do_sigsegv; out: exception_exit(prev_state); return; do_sigsegv: force_sig(SIGSEGV); goto out; } asmlinkage void sparc64_get_context(struct pt_regs *regs) { struct ucontext __user *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0]; enum ctx_state prev_state = exception_enter(); mc_gregset_t __user *grp; mcontext_t __user *mcp; unsigned long fp, i7; unsigned char fenab; int err; synchronize_user_stack(); if (get_thread_wsaved() || clear_user(ucp, sizeof(*ucp))) goto do_sigsegv; #if 1 fenab = 0; /* IMO get_context is like any other system call, thus modifies FPU state -jj */ #else fenab = (current_thread_info()->fpsaved[0] & FPRS_FEF); #endif mcp = &ucp->uc_mcontext; grp = &mcp->mc_gregs; /* Skip over the trap instruction, first. */ if (test_thread_flag(TIF_32BIT)) { regs->tpc = (regs->tnpc & 0xffffffff); regs->tnpc = (regs->tnpc + 4) & 0xffffffff; } else { regs->tpc = regs->tnpc; regs->tnpc += 4; } err = 0; if (_NSIG_WORDS == 1) err |= __put_user(current->blocked.sig[0], (unsigned long __user *)&ucp->uc_sigmask); else err |= __copy_to_user(&ucp->uc_sigmask, ¤t->blocked, sizeof(sigset_t)); err |= __put_user(regs->tstate, &((*grp)[MC_TSTATE])); err |= __put_user(regs->tpc, &((*grp)[MC_PC])); err |= __put_user(regs->tnpc, &((*grp)[MC_NPC])); err |= __put_user(regs->y, &((*grp)[MC_Y])); err |= __put_user(regs->u_regs[UREG_G1], &((*grp)[MC_G1])); err |= __put_user(regs->u_regs[UREG_G2], &((*grp)[MC_G2])); err |= __put_user(regs->u_regs[UREG_G3], &((*grp)[MC_G3])); err |= __put_user(regs->u_regs[UREG_G4], &((*grp)[MC_G4])); err |= __put_user(regs->u_regs[UREG_G5], &((*grp)[MC_G5])); err |= __put_user(regs->u_regs[UREG_G6], &((*grp)[MC_G6])); err |= __put_user(regs->u_regs[UREG_G7], &((*grp)[MC_G7])); err |= __put_user(regs->u_regs[UREG_I0], &((*grp)[MC_O0])); err |= __put_user(regs->u_regs[UREG_I1], &((*grp)[MC_O1])); err |= __put_user(regs->u_regs[UREG_I2], &((*grp)[MC_O2])); err |= __put_user(regs->u_regs[UREG_I3], &((*grp)[MC_O3])); err |= __put_user(regs->u_regs[UREG_I4], &((*grp)[MC_O4])); err |= __put_user(regs->u_regs[UREG_I5], &((*grp)[MC_O5])); err |= __put_user(regs->u_regs[UREG_I6], &((*grp)[MC_O6])); err |= __put_user(regs->u_regs[UREG_I7], &((*grp)[MC_O7])); err |= __get_user(fp, (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6]))); err |= __get_user(i7, (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7]))); err |= __put_user(fp, &(mcp->mc_fp)); err |= __put_user(i7, &(mcp->mc_i7)); err |= __put_user(fenab, &(mcp->mc_fpregs.mcfpu_enab)); if (fenab) { unsigned long *fpregs = current_thread_info()->fpregs; unsigned long fprs; fprs = current_thread_info()->fpsaved[0]; if (fprs & FPRS_DL) err |= copy_to_user(&(mcp->mc_fpregs.mcfpu_fregs), fpregs, (sizeof(unsigned int) * 32)); if (fprs & FPRS_DU) err |= copy_to_user( ((unsigned long __user *)&(mcp->mc_fpregs.mcfpu_fregs))+16, fpregs+16, (sizeof(unsigned int) * 32)); err |= __put_user(current_thread_info()->xfsr[0], &(mcp->mc_fpregs.mcfpu_fsr)); err |= __put_user(current_thread_info()->gsr[0], &(mcp->mc_fpregs.mcfpu_gsr)); err |= __put_user(fprs, &(mcp->mc_fpregs.mcfpu_fprs)); } if (err) goto do_sigsegv; out: exception_exit(prev_state); return; do_sigsegv: force_sig(SIGSEGV); goto out; } /* Checks if the fp is valid. We always build rt signal frames which * are 16-byte aligned, therefore we can always enforce that the * restore frame has that property as well. */ static bool invalid_frame_pointer(void __user *fp) { if (((unsigned long) fp) & 15) return true; return false; } struct rt_signal_frame { struct sparc_stackf ss; siginfo_t info; struct pt_regs regs; __siginfo_fpu_t __user *fpu_save; stack_t stack; sigset_t mask; __siginfo_rwin_t *rwin_save; }; void do_rt_sigreturn(struct pt_regs *regs) { unsigned long tpc, tnpc, tstate, ufp; struct rt_signal_frame __user *sf; __siginfo_fpu_t __user *fpu_save; __siginfo_rwin_t __user *rwin_save; sigset_t set; int err; /* Always make any pending restarted system calls return -EINTR */ current->restart_block.fn = do_no_restart_syscall; synchronize_user_stack (); sf = (struct rt_signal_frame __user *) (regs->u_regs [UREG_FP] + STACK_BIAS); /* 1. Make sure we are not getting garbage from the user */ if (invalid_frame_pointer(sf)) goto segv; if (get_user(ufp, &sf->regs.u_regs[UREG_FP])) goto segv; if ((ufp + STACK_BIAS) & 0x7) goto segv; err = __get_user(tpc, &sf->regs.tpc); err |= __get_user(tnpc, &sf->regs.tnpc); if (test_thread_flag(TIF_32BIT)) { tpc &= 0xffffffff; tnpc &= 0xffffffff; } err |= ((tpc | tnpc) & 3); /* 2. Restore the state */ err |= __get_user(regs->y, &sf->regs.y); err |= __get_user(tstate, &sf->regs.tstate); err |= copy_from_user(regs->u_regs, sf->regs.u_regs, sizeof(regs->u_regs)); /* User can only change condition codes and %asi in %tstate. */ regs->tstate &= ~(TSTATE_ASI | TSTATE_ICC | TSTATE_XCC); regs->tstate |= (tstate & (TSTATE_ASI | TSTATE_ICC | TSTATE_XCC)); err |= __get_user(fpu_save, &sf->fpu_save); if (!err && fpu_save) err |= restore_fpu_state(regs, fpu_save); err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t)); err |= restore_altstack(&sf->stack); if (err) goto segv; err |= __get_user(rwin_save, &sf->rwin_save); if (!err && rwin_save) { if (restore_rwin_state(rwin_save)) goto segv; } regs->tpc = tpc; regs->tnpc = tnpc; /* Prevent syscall restart. */ pt_regs_clear_syscall(regs); set_current_blocked(&set); return; segv: force_sig(SIGSEGV); } static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize) { unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS; /* * If we are on the alternate signal stack and would overflow it, don't. * Return an always-bogus address instead so we will die with SIGSEGV. */ if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize))) return (void __user *) -1L; /* This is the X/Open sanctioned signal stack switching. */ sp = sigsp(sp, ksig) - framesize; /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ sp &= ~15UL; return (void __user *) sp; } static inline int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) { struct rt_signal_frame __user *sf; int wsaved, err, sf_size; void __user *tail; /* 1. Make sure everything is clean */ synchronize_user_stack(); save_and_clear_fpu(); wsaved = get_thread_wsaved(); sf_size = sizeof(struct rt_signal_frame); if (current_thread_info()->fpsaved[0] & FPRS_FEF) sf_size += sizeof(__siginfo_fpu_t); if (wsaved) sf_size += sizeof(__siginfo_rwin_t); sf = (struct rt_signal_frame __user *) get_sigframe(ksig, regs, sf_size); if (invalid_frame_pointer (sf)) { if (show_unhandled_signals) pr_info("%s[%d] bad frame in setup_rt_frame: %016lx TPC %016lx O7 %016lx\n", current->comm, current->pid, (unsigned long)sf, regs->tpc, regs->u_regs[UREG_I7]); force_sigsegv(ksig->sig); return -EINVAL; } tail = (sf + 1); /* 2. Save the current process state */ err = copy_to_user(&sf->regs, regs, sizeof (*regs)); if (current_thread_info()->fpsaved[0] & FPRS_FEF) { __siginfo_fpu_t __user *fpu_save = tail; tail += sizeof(__siginfo_fpu_t); err |= save_fpu_state(regs, fpu_save); err |= __put_user((u64)fpu_save, &sf->fpu_save); } else { err |= __put_user(0, &sf->fpu_save); } if (wsaved) { __siginfo_rwin_t __user *rwin_save = tail; tail += sizeof(__siginfo_rwin_t); err |= save_rwin_state(wsaved, rwin_save); err |= __put_user((u64)rwin_save, &sf->rwin_save); set_thread_wsaved(0); } else { err |= __put_user(0, &sf->rwin_save); } /* Setup sigaltstack */ err |= __save_altstack(&sf->stack, regs->u_regs[UREG_FP]); err |= copy_to_user(&sf->mask, sigmask_to_save(), sizeof(sigset_t)); if (!wsaved) { err |= raw_copy_in_user((u64 __user *)sf, (u64 __user *)(regs->u_regs[UREG_FP] + STACK_BIAS), sizeof(struct reg_window)); } else { struct reg_window *rp; rp = ¤t_thread_info()->reg_window[wsaved - 1]; err |= copy_to_user(sf, rp, sizeof(struct reg_window)); } if (ksig->ka.sa.sa_flags & SA_SIGINFO) err |= copy_siginfo_to_user(&sf->info, &ksig->info); else { err |= __put_user(ksig->sig, &sf->info.si_signo); err |= __put_user(SI_NOINFO, &sf->info.si_code); } if (err) return err; /* 3. signal handler back-trampoline and parameters */ regs->u_regs[UREG_FP] = ((unsigned long) sf) - STACK_BIAS; regs->u_regs[UREG_I0] = ksig->sig; regs->u_regs[UREG_I1] = (unsigned long) &sf->info; /* The sigcontext is passed in this way because of how it * is defined in GLIBC's /usr/include/bits/sigcontext.h * for sparc64. It includes the 128 bytes of siginfo_t. */ regs->u_regs[UREG_I2] = (unsigned long) &sf->info; /* 5. signal handler */ regs->tpc = (unsigned long) ksig->ka.sa.sa_handler; regs->tnpc = (regs->tpc + 4); if (test_thread_flag(TIF_32BIT)) { regs->tpc &= 0xffffffff; regs->tnpc &= 0xffffffff; } /* 4. return to kernel instructions */ regs->u_regs[UREG_I7] = (unsigned long)ksig->ka.ka_restorer; return 0; } static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, struct sigaction *sa) { switch (regs->u_regs[UREG_I0]) { case ERESTART_RESTARTBLOCK: case ERESTARTNOHAND: no_system_call_restart: regs->u_regs[UREG_I0] = EINTR; regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY); break; case ERESTARTSYS: if (!(sa->sa_flags & SA_RESTART)) goto no_system_call_restart; fallthrough; case ERESTARTNOINTR: regs->u_regs[UREG_I0] = orig_i0; regs->tpc -= 4; regs->tnpc -= 4; } } /* Note that 'init' is a special process: it doesn't get signals it doesn't * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) { struct ksignal ksig; int restart_syscall; bool has_handler; /* It's a lot of work and synchronization to add a new ptrace * register for GDB to save and restore in order to get * orig_i0 correct for syscall restarts when debugging. * * Although it should be the case that most of the global * registers are volatile across a system call, glibc already * depends upon that fact that we preserve them. So we can't * just use any global register to save away the orig_i0 value. * * In particular %g2, %g3, %g4, and %g5 are all assumed to be * preserved across a system call trap by various pieces of * code in glibc. * * %g7 is used as the "thread register". %g6 is not used in * any fixed manner. %g6 is used as a scratch register and * a compiler temporary, but its value is never used across * a system call. Therefore %g6 is usable for orig_i0 storage. */ if (pt_regs_is_syscall(regs) && (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) regs->u_regs[UREG_G6] = orig_i0; #ifdef CONFIG_COMPAT if (test_thread_flag(TIF_32BIT)) { do_signal32(regs); return; } #endif has_handler = get_signal(&ksig); restart_syscall = 0; if (pt_regs_is_syscall(regs) && (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) { restart_syscall = 1; orig_i0 = regs->u_regs[UREG_G6]; } if (has_handler) { if (restart_syscall) syscall_restart(orig_i0, regs, &ksig.ka.sa); signal_setup_done(setup_rt_frame(&ksig, regs), &ksig, 0); } else { if (restart_syscall) { switch (regs->u_regs[UREG_I0]) { case ERESTARTNOHAND: case ERESTARTSYS: case ERESTARTNOINTR: /* replay the system call when we are done */ regs->u_regs[UREG_I0] = orig_i0; regs->tpc -= 4; regs->tnpc -= 4; pt_regs_clear_syscall(regs); fallthrough; case ERESTART_RESTARTBLOCK: regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->tpc -= 4; regs->tnpc -= 4; pt_regs_clear_syscall(regs); } } restore_saved_sigmask(); } } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) { user_exit(); if (thread_info_flags & _TIF_UPROBE) uprobe_notify_resume(regs); if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs, orig_i0); if (thread_info_flags & _TIF_NOTIFY_RESUME) resume_user_mode_work(regs); user_enter(); } /* * Compile-time assertions for siginfo_t offsets. Check NSIG* as well, as * changes likely come with new fields that should be added below. */ static_assert(NSIGILL == 11); static_assert(NSIGFPE == 15); static_assert(NSIGSEGV == 10); static_assert(NSIGBUS == 5); static_assert(NSIGTRAP == 6); static_assert(NSIGCHLD == 6); static_assert(NSIGSYS == 2); static_assert(sizeof(siginfo_t) == 128); static_assert(__alignof__(siginfo_t) == 8); static_assert(offsetof(siginfo_t, si_signo) == 0x00); static_assert(offsetof(siginfo_t, si_errno) == 0x04); static_assert(offsetof(siginfo_t, si_code) == 0x08); static_assert(offsetof(siginfo_t, si_pid) == 0x10); static_assert(offsetof(siginfo_t, si_uid) == 0x14); static_assert(offsetof(siginfo_t, si_tid) == 0x10); static_assert(offsetof(siginfo_t, si_overrun) == 0x14); static_assert(offsetof(siginfo_t, si_status) == 0x18); static_assert(offsetof(siginfo_t, si_utime) == 0x20); static_assert(offsetof(siginfo_t, si_stime) == 0x28); static_assert(offsetof(siginfo_t, si_value) == 0x18); static_assert(offsetof(siginfo_t, si_int) == 0x18); static_assert(offsetof(siginfo_t, si_ptr) == 0x18); static_assert(offsetof(siginfo_t, si_addr) == 0x10); static_assert(offsetof(siginfo_t, si_trapno) == 0x18); static_assert(offsetof(siginfo_t, si_addr_lsb) == 0x18); static_assert(offsetof(siginfo_t, si_lower) == 0x20); static_assert(offsetof(siginfo_t, si_upper) == 0x28); static_assert(offsetof(siginfo_t, si_pkey) == 0x20); static_assert(offsetof(siginfo_t, si_perf_data) == 0x18); static_assert(offsetof(siginfo_t, si_perf_type) == 0x20); static_assert(offsetof(siginfo_t, si_perf_flags) == 0x24); static_assert(offsetof(siginfo_t, si_band) == 0x10); static_assert(offsetof(siginfo_t, si_fd) == 0x14);
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