dev/i386/fasttrap_isa.c

224 	x86_saved_state64_t *regs64;
229                 regs64 = saved_state64(regs);
233 		regs64 = NULL;
246 			return ((&regs64->rdi)[argno]);
248 		stack = regs64->isf.rsp + sizeof(uint64_t) * (argno - 6 + shift);
679 	x86_saved_state64_t *regs64;
686                 regs64 = saved_state64(regs);
690 		regs64 = NULL;
745 				     regs64->rax, regs64->rdx, 0, 0);
783 fasttrap_usdt_args64(fasttrap_probe_t *probe, x86_saved_state64_t *regs64, int argc,
787 	user_addr_t stack = (user_addr_t)regs64->isf.rsp;
794 			argv[i] = (&regs64->rdi)[x];
1515 	x86_saved_state64_t *regs64 = saved_state64(regs);
1516 	user_addr_t pc = regs64->isf.rip - 1;
1590 	regs64->isf.rip = pc;
1609 				dtrace_probe(probe->ftp_id, regs64->rdi,
1610 					     regs64->rsi, regs64->rdx, regs64->rcx,
1611 					     regs64->r8);
1624 				dtrace_probe(probe->ftp_id, regs64->rdi,
1625 					     regs64->rsi, regs64->rdx, regs64->rcx,
1626 					     regs64->r8);
1630 				fasttrap_usdt_args64(probe, regs64,
1658 	regs64->isf.rip = pc + tp->ftt_size;
1672 		regs64->rax = 1;
1673 		new_pc = regs64->isf.rip;
1696 			ret = fasttrap_fuword64((user_addr_t)regs64->isf.rsp, &dst);
1697 			addr = regs64->isf.rsp + sizeof (uint64_t);
1700 				fasttrap_sigsegv(p, uthread, (user_addr_t)regs64->isf.rsp);
1708 			regs64->isf.rsp = addr;
1719 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_OF) != 0;
1722 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_OF) == 0;
1725 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_CF) != 0;
1728 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_CF) == 0;
1731 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) != 0;
1734 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) == 0;
1737 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_CF) != 0 ||
1738 						(regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) != 0;
1741 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_CF) == 0 &&
1742 						(regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) == 0;
1745 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_SF) != 0;
1748 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_SF) == 0;
1751 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_PF) != 0;
1754 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_PF) == 0;
1757 					taken = ((regs64->isf.rflags & FASTTRAP_EFLAGS_SF) == 0) !=
1758 						((regs64->isf.rflags & FASTTRAP_EFLAGS_OF) == 0);
1761 					taken = ((regs64->isf.rflags & FASTTRAP_EFLAGS_SF) == 0) ==
1762 						((regs64->isf.rflags & FASTTRAP_EFLAGS_OF) == 0);
1765 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) != 0 ||
1766 						((regs64->isf.rflags & FASTTRAP_EFLAGS_SF) == 0) !=
1767 						((regs64->isf.rflags & FASTTRAP_EFLAGS_OF) == 0);
1770 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) == 0 &&
1771 						((regs64->isf.rflags & FASTTRAP_EFLAGS_SF) == 0) ==
1772 						((regs64->isf.rflags & FASTTRAP_EFLAGS_OF) == 0);
1788 			uint64_t cx = regs64->rcx--;
1792 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) == 0 &&
1796 					taken = (regs64->isf.rflags & FASTTRAP_EFLAGS_ZF) != 0 &&
1815 			uint64_t cx = regs64->rcx;
1826 			user_addr_t addr = regs64->isf.rsp - sizeof (uint64_t);
1827 			int ret = fasttrap_suword64(addr, (uint64_t)regs64->rbp);
1835 			regs64->isf.rsp = addr;
1889 				user_addr_t addr = regs64->isf.rsp - sizeof (uint64_t);
1898 				regs64->isf.rsp = addr;
2032 						reg = &regs64->rax;
2036 						reg = &regs64->rcx;
2040 						reg = &regs64->r8;
2044 						reg = &regs64->r9;
2116 	regs64->isf.rip = new_pc;
2158 	x86_saved_state64_t *regs64;
2163                 regs64 = saved_state64(regs);
2167 		regs64 = NULL;
2203 		regs64->isf.rip = pc;
2238 		x86_saved_state64_t *regs64 = saved_state64(regs);
2241 			case REG_RAX:		return regs64->rax;
2242 			case REG_RCX:		return regs64->rcx;
2243 			case REG_RDX:		return regs64->rdx;
2244 			case REG_RBX:		return regs64->rbx;
2245 			case REG_RSP:		return regs64->isf.rsp;
2246 			case REG_RBP:		return regs64->rbp;
2247 			case REG_RSI:		return regs64->rsi;
2248 			case REG_RDI:		return regs64->rdi;
2249 			case REG_R8:		return regs64->r8;
2250 			case REG_R9:		return regs64->r9;
2251 			case REG_R10:		return regs64->r10;
2252 			case REG_R11:		return regs64->r11;
2253 			case REG_R12:		return regs64->r12;
2254 			case REG_R13:		return regs64->r13;
2255 			case REG_R14:		return regs64->r14;
2256 			case REG_R15:		return regs64->r15;
2257 			case REG_TRAPNO:	return regs64->isf.trapno;
2258 			case REG_ERR:		return regs64->isf.err;
2259 			case REG_RIP:		return regs64->isf.rip;
2260 			case REG_CS:		return regs64->isf.cs;
2261 			case REG_RFL:		return regs64->isf.rflags;
2262 			case REG_SS:		return regs64->isf.ss;
2263 			case REG_FS:		return regs64->fs;
2264 			case REG_GS:		return regs64->gs;