/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _MACH_I386_SDT_ISA_H #define _MACH_I386_SDT_ISA_H #include #if defined (__x86_64__) /* * Only define when testing. This makes the calls into actual calls to * test functions. */ /* #define DTRACE_CALL_TEST */ #define DTRACE_STRINGIFY(s) #s #define DTRACE_TOSTRING(s) DTRACE_STRINGIFY(s) #define DTRACE_LABEL(p, n) \ "__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n) ":" "\n\t" /* * Testing mode that builds function call to the probe site instead of nops. */ #ifdef DTRACE_CALL_TEST #define DTRACE_CALL_INSN(p, n) \ "call _dtracetest" DTRACE_STRINGIFY(_##p##_##n) "\n\t" #define DTRACE_CALL(p, n) \ DTRACE_LABEL(p,n) \ DTRACE_CALL_INSN(p,n) #else /* DTRACE_CALL_TEST */ #define DTRACE_NOPS \ "nop" "\n\t" \ "nop" "\n\t" \ "nop" "\n\t" #define DTRACE_CALL(p, n) \ DTRACE_LABEL(p,n) \ DTRACE_NOPS #endif /* DTRACE_CALL_TEST */ /* * Ensures that stack pointer is 16 byte aligned after allocation. * Assumes that %0 contains scratch register to be used as temporary. */ #define DTRACE_ALLOC_STACK(n) \ "movq %%rsp, %0" "\n\t" \ "subq $0x8, %0" "\n\t" \ "andq $-16, %0" "\n\t" \ "movq %%rsp, (%0)" "\n\t" \ "movq %0, %%rsp" "\n\t" \ "subq\t$" #n ",%%rsp" "\n\t" #define DTRACE_DEALLOC_STACK(n) \ "addq\t$" #n ",%%rsp" "\n\t" \ "popq %%rsp" "\n\t" #define DTRACE_PROBE(provider, name) \ do { \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE1(provider, name, arg0) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE2(provider, name, arg0, arg1) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0), "r" (__dtrace_a1) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE3(provider, name, arg0, arg1, arg2) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE4(provider, name, arg0, arg1, arg2, arg3) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ register uintptr_t __dtrace_a3 asm("rcx") = (uintptr_t) arg3; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ "r" (__dtrace_a3) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE5(provider, name, arg0, arg1, arg2, arg3, arg4) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ register uintptr_t __dtrace_a3 asm("rcx") = (uintptr_t) arg3; \ register uintptr_t __dtrace_a4 asm("r8") = (uintptr_t) arg4; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ "r" (__dtrace_a3), "r" (__dtrace_a4) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE6(provider, name, arg0, arg1, arg2, arg3, arg4, arg5) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ register uintptr_t __dtrace_a3 asm("rcx") = (uintptr_t) arg3; \ register uintptr_t __dtrace_a4 asm("r8") = (uintptr_t) arg4; \ register uintptr_t __dtrace_a5 asm("r9") = (uintptr_t) arg5; \ asm volatile ( \ DTRACE_CALL(provider, name) \ : \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE7(provider, name, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ register uintptr_t __dtrace_a3 asm("rcx") = (uintptr_t) arg3; \ register uintptr_t __dtrace_a4 asm("r8") = (uintptr_t) arg4; \ register uintptr_t __dtrace_a5 asm("r9") = (uintptr_t) arg5; \ uintptr_t tmp; \ asm volatile ( \ DTRACE_ALLOC_STACK(16) \ "movq\t%[a6],0x0(%%rsp)" "\n\t" \ DTRACE_CALL(provider, name) \ DTRACE_DEALLOC_STACK(16) \ : "=r" (tmp) \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5), \ [a6] "r" ((uintptr_t)arg6) \ : "memory" \ ); \ } while(0) #define DTRACE_PROBE8(provider, name, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ do { \ register uintptr_t __dtrace_a0 asm("rdi") = (uintptr_t) arg0; \ register uintptr_t __dtrace_a1 asm("rsi") = (uintptr_t) arg1; \ register uintptr_t __dtrace_a2 asm("rdx") = (uintptr_t) arg2; \ register uintptr_t __dtrace_a3 asm("rcx") = (uintptr_t) arg3; \ register uintptr_t __dtrace_a4 asm("r8") = (uintptr_t) arg4; \ register uintptr_t __dtrace_a5 asm("r9") = (uintptr_t) arg5; \ uintptr_t tmp; \ asm volatile ( \ DTRACE_ALLOC_STACK(16) \ "movq\t%[a6],0x0(%%rsp)" "\n\t" \ "movq\t%[a7],0x8(%%rsp)" "\n\t" \ DTRACE_CALL(provider, name) \ DTRACE_DEALLOC_STACK(16) \ : "=r" (tmp) \ : "r" (__dtrace_a0), "r" (__dtrace_a1), "r" (__dtrace_a2), \ "r" (__dtrace_a3), "r" (__dtrace_a4), "r" (__dtrace_a5), \ [a6] "r" ((uintptr_t)arg6), [a7] "r" ((uintptr_t) arg7) \ : "memory" \ ); \ } while(0) #endif /* defined (__x86_64__) */ #endif /* _MACH_I386_SDT_ISA_H */