Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 | /* * 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 <stdint.h> #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) #if defined(KERNEL) /* * For the kernel, record probe site location in SDT section. */ #define DTRACE_LABEL(p, n) \ ".pushsection __DATA_CONST, __sdt_cstring, cstring_literals\n\t" \ "1: .ascii \"" DTRACE_STRINGIFY(p##___) "\\0\"\n\t" \ "2: .ascii \"" DTRACE_STRINGIFY(n) "\\0\"\n\t" \ ".popsection" "\n\t" \ ".pushsection __DATA_CONST, __sdt, regular, live_support\n\t" \ ".p2align 3\n\t" \ "l3_%=:\n\t" \ ".quad 4f" "\n\t" \ ".quad 1b" "\n\t" \ ".quad 2b" "\n\t" \ ".popsection" "\n\t" \ "4:" #else /* !KERNEL */ #define DTRACE_LABEL(p, n) \ "__dtrace_probe$" DTRACE_TOSTRING(%=__LINE__) DTRACE_STRINGIFY(_##p##___##n) ":" "\n\t" #endif /* !KERNEL */ /* * 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 */ |