Elliott Hughes | 0f3c553 | 2012-03-30 14:51:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 17 | #include "asm_support_x86.S" |
Elliott Hughes | 5e28422 | 2012-04-04 13:38:03 -0700 | [diff] [blame] | 18 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 19 | /* |
| 20 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 21 | * Runtime::CreateCalleeSaveMethod(kSaveAll) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 22 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 23 | MACRO0(SETUP_SAVE_ALL_CALLEE_SAVE_FRAME) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 24 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 25 | PUSH esi |
| 26 | PUSH ebp |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 27 | subl MACRO_LITERAL(16), %esp // Grow stack by 4 words, bottom word will hold Method* |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 28 | .cfi_adjust_cfa_offset 16 |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 29 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 30 | |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 31 | /* |
| 32 | * Macro that sets up the callee save frame to conform with |
| 33 | * Runtime::CreateCalleeSaveMethod(kRefsOnly) |
| 34 | */ |
| 35 | MACRO0(SETUP_REF_ONLY_CALLEE_SAVE_FRAME) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 36 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 37 | PUSH esi |
| 38 | PUSH ebp |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 39 | subl MACRO_LITERAL(16), %esp // Grow stack by 4 words, bottom word will hold Method* |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 40 | .cfi_adjust_cfa_offset 16 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 41 | END_MACRO |
| 42 | |
| 43 | MACRO0(RESTORE_REF_ONLY_CALLEE_SAVE_FRAME) |
Mathieu Chartier | 2a6c7b7 | 2013-10-16 11:16:33 -0700 | [diff] [blame^] | 44 | addl MACRO_LITERAL(16), %esp // Unwind stack up to return address |
| 45 | POP ebp // Restore callee saves (ebx is saved/restored by the upcall) |
| 46 | POP esi |
| 47 | POP edi |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 48 | .cfi_adjust_cfa_offset -28 |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 49 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 50 | |
| 51 | /* |
| 52 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 53 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 54 | */ |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 55 | MACRO0(SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 56 | PUSH edi // Save callee saves |
| 57 | PUSH esi |
| 58 | PUSH ebp |
| 59 | PUSH ebx // Save args |
| 60 | PUSH edx |
| 61 | PUSH ecx |
| 62 | PUSH eax // Align stack, eax will be clobbered by Method* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 63 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 64 | |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 65 | MACRO0(RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME) |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 66 | addl MACRO_LITERAL(4), %esp // Remove padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 67 | .cfi_adjust_cfa_offset -4 |
| 68 | POP ecx // Restore args except eax |
| 69 | POP edx |
| 70 | POP ebx |
| 71 | POP ebp // Restore callee saves |
| 72 | POP esi |
| 73 | POP edi |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 74 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 75 | |
| 76 | /* |
| 77 | * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| 78 | * exception is Thread::Current()->exception_. |
| 79 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 80 | MACRO0(DELIVER_PENDING_EXCEPTION) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 81 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save callee saves for throw |
| 82 | mov %esp, %ecx |
| 83 | // Outgoing argument set up |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 84 | subl MACRO_LITERAL(8), %esp // Alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 85 | .cfi_adjust_cfa_offset 8 |
| 86 | PUSH ecx // pass SP |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 87 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 88 | .cfi_adjust_cfa_offset 4 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 89 | call SYMBOL(artDeliverPendingExceptionFromCode) // artDeliverPendingExceptionFromCode(Thread*, SP) |
| 90 | int3 // unreached |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 91 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 92 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 93 | MACRO2(NO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 94 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 95 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| 96 | mov %esp, %ecx |
| 97 | // Outgoing argument set up |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 98 | subl MACRO_LITERAL(8), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 99 | .cfi_adjust_cfa_offset 8 |
| 100 | PUSH ecx // pass SP |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 101 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 102 | .cfi_adjust_cfa_offset 4 |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 103 | call VAR(cxx_name, 1) // cxx_name(Thread*, SP) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 104 | int3 // unreached |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 105 | END_FUNCTION VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 106 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 107 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 108 | MACRO2(ONE_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 109 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 110 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| 111 | mov %esp, %ecx |
| 112 | // Outgoing argument set up |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 113 | PUSH eax // alignment padding |
| 114 | PUSH ecx // pass SP |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 115 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 116 | .cfi_adjust_cfa_offset 4 |
| 117 | PUSH eax // pass arg1 |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 118 | call VAR(cxx_name, 1) // cxx_name(arg1, Thread*, SP) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 119 | int3 // unreached |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 120 | END_FUNCTION VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 121 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 122 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 123 | MACRO2(TWO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 124 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 125 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| 126 | mov %esp, %edx |
| 127 | // Outgoing argument set up |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 128 | PUSH edx // pass SP |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 129 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 130 | .cfi_adjust_cfa_offset 4 |
| 131 | PUSH ecx // pass arg2 |
| 132 | PUSH eax // pass arg1 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 133 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, Thread*, SP) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 134 | int3 // unreached |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 135 | END_FUNCTION VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 136 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 137 | |
| 138 | /* |
| 139 | * Called by managed code to create and deliver a NullPointerException. |
| 140 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 141 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_null_pointer_exception, artThrowNullPointerExceptionFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 142 | |
| 143 | /* |
| 144 | * Called by managed code to create and deliver an ArithmeticException. |
| 145 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 146 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_div_zero, artThrowDivZeroFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 147 | |
| 148 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 149 | * Called by managed code to create and deliver a StackOverflowError. |
| 150 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 151 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_stack_overflow, artThrowStackOverflowFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 152 | |
| 153 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 154 | * Called by managed code, saves callee saves and then calls artThrowException |
| 155 | * that will place a mock Method* at the bottom of the stack. Arg1 holds the exception. |
| 156 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 157 | ONE_ARG_RUNTIME_EXCEPTION art_quick_deliver_exception, artDeliverExceptionFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 158 | |
| 159 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 160 | * Called by managed code to create and deliver a NoSuchMethodError. |
| 161 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 162 | ONE_ARG_RUNTIME_EXCEPTION art_quick_throw_no_such_method, artThrowNoSuchMethodFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 163 | |
| 164 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 165 | * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException. Arg1 holds |
| 166 | * index, arg2 holds limit. |
| 167 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 168 | TWO_ARG_RUNTIME_EXCEPTION art_quick_throw_array_bounds, artThrowArrayBoundsFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 169 | |
| 170 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 171 | * All generated callsites for interface invokes and invocation slow paths will load arguments |
| 172 | * as usual - except instead of loading arg0/r0 with the target Method*, arg0/r0 will contain |
| 173 | * the method_idx. This wrapper will save arg1-arg3, load the caller's Method*, align the |
| 174 | * stack and call the appropriate C helper. |
| 175 | * NOTE: "this" is first visible argument of the target, and so can be found in arg1/r1. |
| 176 | * |
| 177 | * The helper will attempt to locate the target and return a 64-bit result in r0/r1 consisting |
| 178 | * of the target Method* in r0 and method->code_ in r1. |
| 179 | * |
| 180 | * If unsuccessful, the helper will return NULL/NULL. There will bea pending exception in the |
| 181 | * thread and we branch to another stub to deliver it. |
| 182 | * |
| 183 | * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| 184 | * pointing back to the original caller. |
| 185 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 186 | MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 187 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 188 | // Set up the callee save frame to conform with Runtime::CreateCalleeSaveMethod(kRefsAndArgs) |
| 189 | // return address |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 190 | PUSH edi |
| 191 | PUSH esi |
| 192 | PUSH ebp |
| 193 | PUSH ebx |
| 194 | PUSH edx |
| 195 | PUSH ecx |
| 196 | PUSH eax // <-- callee save Method* to go here |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 197 | movl %esp, %edx // remember SP |
| 198 | // Outgoing argument set up |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 199 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 200 | .cfi_adjust_cfa_offset 12 |
| 201 | PUSH edx // pass SP |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 202 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 203 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 204 | pushl 32(%edx) // pass caller Method* |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 205 | .cfi_adjust_cfa_offset 4 |
| 206 | PUSH ecx // pass arg2 |
| 207 | PUSH eax // pass arg1 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 208 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, Thread*, SP) |
| 209 | movl %edx, %edi // save code pointer in EDI |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 210 | addl MACRO_LITERAL(36), %esp // Pop arguments skip eax |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 211 | .cfi_adjust_cfa_offset -36 |
| 212 | POP ecx // Restore args |
| 213 | POP edx |
| 214 | POP ebx |
| 215 | POP ebp // Restore callee saves. |
| 216 | POP esi |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 217 | // Swap EDI callee save with code pointer. |
| 218 | xchgl %edi, (%esp) |
| 219 | testl %eax, %eax // Branch forward if exception pending. |
| 220 | jz 1f |
| 221 | // Tail call to intended method. |
| 222 | ret |
| 223 | 1: |
jeffhao | 20b5c6c | 2012-05-21 14:15:18 -0700 | [diff] [blame] | 224 | addl MACRO_LITERAL(4), %esp // Pop code pointer off stack |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 225 | .cfi_adjust_cfa_offset -4 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 226 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 227 | END_FUNCTION VAR(c_name, 0) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 228 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 229 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 230 | INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline, artInvokeInterfaceTrampoline |
| 231 | INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 232 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 233 | INVOKE_TRAMPOLINE art_quick_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck |
| 234 | INVOKE_TRAMPOLINE art_quick_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck |
| 235 | INVOKE_TRAMPOLINE art_quick_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck |
| 236 | INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 237 | |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 238 | /* |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 239 | * Quick invocation stub. |
| 240 | * On entry: |
| 241 | * [sp] = return address |
| 242 | * [sp + 4] = method pointer |
| 243 | * [sp + 8] = argument array or NULL for no argument methods |
| 244 | * [sp + 12] = size of argument array in bytes |
| 245 | * [sp + 16] = (managed) thread pointer |
| 246 | * [sp + 20] = JValue* result |
| 247 | * [sp + 24] = result type char |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 248 | */ |
| 249 | DEFINE_FUNCTION art_quick_invoke_stub |
| 250 | PUSH ebp // save ebp |
| 251 | PUSH ebx // save ebx |
| 252 | mov %esp, %ebp // copy value of stack pointer into base pointer |
| 253 | .cfi_def_cfa_register ebp |
| 254 | mov 20(%ebp), %ebx // get arg array size |
| 255 | addl LITERAL(28), %ebx // reserve space for return addr, method*, ebx, and ebp in frame |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 256 | andl LITERAL(0xFFFFFFF0), %ebx // align frame size to 16 bytes |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 257 | subl LITERAL(12), %ebx // remove space for return address, ebx, and ebp |
| 258 | subl %ebx, %esp // reserve stack space for argument array |
| 259 | lea 4(%esp), %eax // use stack pointer + method ptr as dest for memcpy |
| 260 | pushl 20(%ebp) // push size of region to memcpy |
| 261 | pushl 16(%ebp) // push arg array as source of memcpy |
| 262 | pushl %eax // push stack pointer as destination of memcpy |
| 263 | call SYMBOL(memcpy) // (void*, const void*, size_t) |
| 264 | addl LITERAL(12), %esp // pop arguments to memcpy |
| 265 | movl LITERAL(0), (%esp) // store NULL for method* |
| 266 | mov 12(%ebp), %eax // move method pointer into eax |
| 267 | mov 4(%esp), %ecx // copy arg1 into ecx |
| 268 | mov 8(%esp), %edx // copy arg2 into edx |
| 269 | mov 12(%esp), %ebx // copy arg3 into ebx |
Ian Rogers | 225ade2 | 2013-03-18 17:45:44 -0700 | [diff] [blame] | 270 | call *METHOD_CODE_OFFSET(%eax) // call the method |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 271 | mov %ebp, %esp // restore stack pointer |
| 272 | POP ebx // pop ebx |
| 273 | POP ebp // pop ebp |
| 274 | mov 20(%esp), %ecx // get result pointer |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 275 | cmpl LITERAL(68), 24(%esp) // test if result type char == 'D' |
| 276 | je return_double_quick |
| 277 | cmpl LITERAL(70), 24(%esp) // test if result type char == 'F' |
| 278 | je return_float_quick |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 279 | mov %eax, (%ecx) // store the result |
| 280 | mov %edx, 4(%ecx) // store the other half of the result |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 281 | ret |
| 282 | return_double_quick: |
| 283 | return_float_quick: |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 284 | movsd %xmm0, (%ecx) // store the floating point result |
| 285 | ret |
| 286 | END_FUNCTION art_quick_invoke_stub |
| 287 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 288 | MACRO3(NO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 289 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 290 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 291 | mov %esp, %edx // remember SP |
| 292 | // Outgoing argument set up |
| 293 | subl MACRO_LITERAL(8), %esp // push padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 294 | .cfi_adjust_cfa_offset 8 |
| 295 | PUSH edx // pass SP |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 296 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 297 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 298 | call VAR(cxx_name, 1) // cxx_name(Thread*, SP) |
| 299 | addl MACRO_LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 300 | .cfi_adjust_cfa_offset -16 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 301 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 302 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 303 | END_FUNCTION VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 304 | END_MACRO |
| 305 | |
| 306 | MACRO3(ONE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 307 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 308 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 309 | mov %esp, %edx // remember SP |
| 310 | // Outgoing argument set up |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 311 | PUSH eax // push padding |
| 312 | PUSH edx // pass SP |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 313 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 314 | .cfi_adjust_cfa_offset 4 |
| 315 | PUSH eax // pass arg1 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 316 | call VAR(cxx_name, 1) // cxx_name(arg1, Thread*, SP) |
| 317 | addl MACRO_LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 318 | .cfi_adjust_cfa_offset -16 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 319 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 320 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 321 | END_FUNCTION VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 322 | END_MACRO |
| 323 | |
| 324 | MACRO3(TWO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 325 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 326 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 327 | mov %esp, %edx // remember SP |
| 328 | // Outgoing argument set up |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 329 | PUSH edx // pass SP |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 330 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 331 | .cfi_adjust_cfa_offset 4 |
| 332 | PUSH ecx // pass arg2 |
| 333 | PUSH eax // pass arg1 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 334 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, Thread*, SP) |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 335 | addl MACRO_LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 336 | .cfi_adjust_cfa_offset -16 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 337 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 338 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 339 | END_FUNCTION VAR(c_name, 0) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 340 | END_MACRO |
| 341 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 342 | MACRO3(THREE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 343 | DEFINE_FUNCTION VAR(c_name, 0) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 344 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 345 | mov %esp, %ebx // remember SP |
| 346 | // Outgoing argument set up |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 347 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 348 | .cfi_adjust_cfa_offset 12 |
| 349 | PUSH ebx // pass SP |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 350 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 351 | .cfi_adjust_cfa_offset 4 |
| 352 | PUSH edx // pass arg3 |
| 353 | PUSH ecx // pass arg2 |
| 354 | PUSH eax // pass arg1 |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 355 | call VAR(cxx_name, 1) // cxx_name(arg1, arg2, arg3, Thread*, SP) |
Elliott Hughes | ea94421 | 2012-04-05 13:11:53 -0700 | [diff] [blame] | 356 | addl MACRO_LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 357 | .cfi_adjust_cfa_offset -32 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 358 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Elliott Hughes | 754caaa | 2012-04-10 10:57:36 -0700 | [diff] [blame] | 359 | CALL_MACRO(return_macro, 2) // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 360 | END_FUNCTION VAR(c_name, 0) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 361 | END_MACRO |
| 362 | |
| 363 | MACRO0(RETURN_IF_EAX_NOT_ZERO) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 364 | testl %eax, %eax // eax == 0 ? |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 365 | jz 1f // if eax == 0 goto 1 |
| 366 | ret // return |
| 367 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 368 | DELIVER_PENDING_EXCEPTION |
| 369 | END_MACRO |
| 370 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 371 | MACRO0(RETURN_IF_EAX_ZERO) |
| 372 | testl %eax, %eax // eax == 0 ? |
| 373 | jnz 1f // if eax != 0 goto 1 |
| 374 | ret // return |
| 375 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 376 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 377 | END_MACRO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 378 | |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 379 | MACRO0(RETURN_OR_DELIVER_PENDING_EXCEPTION) |
| 380 | mov %fs:THREAD_EXCEPTION_OFFSET, %ebx // get exception field |
| 381 | testl %ebx, %ebx // ebx == 0 ? |
| 382 | jnz 1f // if ebx != 0 goto 1 |
| 383 | ret // return |
| 384 | 1: // deliver exception on current thread |
| 385 | DELIVER_PENDING_EXCEPTION |
| 386 | END_MACRO |
| 387 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 388 | TWO_ARG_DOWNCALL art_quick_alloc_object, artAllocObjectFromCode, RETURN_IF_EAX_NOT_ZERO |
| 389 | TWO_ARG_DOWNCALL art_quick_alloc_object_with_access_check, artAllocObjectFromCodeWithAccessCheck, RETURN_IF_EAX_NOT_ZERO |
| 390 | THREE_ARG_DOWNCALL art_quick_alloc_array, artAllocArrayFromCode, RETURN_IF_EAX_NOT_ZERO |
| 391 | THREE_ARG_DOWNCALL art_quick_alloc_array_with_access_check, artAllocArrayFromCodeWithAccessCheck, RETURN_IF_EAX_NOT_ZERO |
| 392 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array, artCheckAndAllocArrayFromCode, RETURN_IF_EAX_NOT_ZERO |
| 393 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array_with_access_check, artCheckAndAllocArrayFromCodeWithAccessCheck, RETURN_IF_EAX_NOT_ZERO |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 394 | |
Hiroshi Yamauchi | 3b4c189 | 2013-09-12 21:33:12 -0700 | [diff] [blame] | 395 | TWO_ARG_DOWNCALL art_quick_alloc_object_instrumented, artAllocObjectFromCodeInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 396 | TWO_ARG_DOWNCALL art_quick_alloc_object_with_access_check_instrumented, artAllocObjectFromCodeWithAccessCheckInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 397 | THREE_ARG_DOWNCALL art_quick_alloc_array_instrumented, artAllocArrayFromCodeInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 398 | THREE_ARG_DOWNCALL art_quick_alloc_array_with_access_check_instrumented, artAllocArrayFromCodeWithAccessCheckInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 399 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array_instrumented, artCheckAndAllocArrayFromCodeInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 400 | THREE_ARG_DOWNCALL art_quick_check_and_alloc_array_with_access_check_instrumented, artCheckAndAllocArrayFromCodeWithAccessCheckInstrumented, RETURN_IF_EAX_NOT_ZERO |
| 401 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 402 | TWO_ARG_DOWNCALL art_quick_resolve_string, artResolveStringFromCode, RETURN_IF_EAX_NOT_ZERO |
| 403 | TWO_ARG_DOWNCALL art_quick_initialize_static_storage, artInitializeStaticStorageFromCode, RETURN_IF_EAX_NOT_ZERO |
| 404 | TWO_ARG_DOWNCALL art_quick_initialize_type, artInitializeTypeFromCode, RETURN_IF_EAX_NOT_ZERO |
| 405 | TWO_ARG_DOWNCALL art_quick_initialize_type_and_verify_access, artInitializeTypeAndVerifyAccessFromCode, RETURN_IF_EAX_NOT_ZERO |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 406 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 407 | TWO_ARG_DOWNCALL art_quick_handle_fill_data, artHandleFillArrayDataFromCode, RETURN_IF_EAX_ZERO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 408 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 409 | DEFINE_FUNCTION art_quick_lock_object |
| 410 | testl %eax, %eax // null check object/eax |
| 411 | jz slow_lock |
| 412 | retry_lock: |
| 413 | movl LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
| 414 | movl %fs:THREAD_ID_OFFSET, %edx // edx := thread id |
| 415 | test %ecx, %ecx |
| 416 | jb slow_lock // lock word contains a monitor |
| 417 | jnz already_thin // lock word contains a thin lock |
| 418 | // unlocked case - %edx holds thread id with count of 0 |
| 419 | movl %eax, %ecx // remember object in case of retry |
| 420 | xor %eax, %eax // eax == 0 for comparison with lock word in cmpxchg |
| 421 | lock cmpxchg %edx, LOCK_WORD_OFFSET(%ecx) |
| 422 | jnz cmpxchg_fail // cmpxchg failed retry |
| 423 | ret |
| 424 | cmpxchg_fail: |
| 425 | movl %ecx, %eax // restore eax |
| 426 | jmp retry_lock |
| 427 | already_thin: |
| 428 | cmpw %ax, %dx // do we hold the lock already? |
| 429 | jne slow_lock |
| 430 | addl LITERAL(65536), %eax // increment recursion count |
| 431 | jb slow_lock // count overflowed so go slow |
| 432 | movl %eax, LOCK_WORD_OFFSET(%ecx) // update lockword, cmpxchg not necessary as we hold lock |
| 433 | ret |
| 434 | slow_lock: |
| 435 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 436 | mov %esp, %edx // remember SP |
| 437 | // Outgoing argument set up |
| 438 | PUSH eax // push padding |
| 439 | PUSH edx // pass SP |
| 440 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 441 | .cfi_adjust_cfa_offset 4 |
| 442 | PUSH eax // pass object |
| 443 | call artLockObjectFromCode // artLockObjectFromCode(object, Thread*, SP) |
| 444 | addl MACRO_LITERAL(16), %esp // pop arguments |
| 445 | .cfi_adjust_cfa_offset -16 |
| 446 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 447 | RETURN_IF_EAX_ZERO |
| 448 | END_FUNCTION art_quick_lock_object |
| 449 | |
| 450 | DEFINE_FUNCTION art_quick_unlock_object |
| 451 | testl %eax, %eax // null check object/eax |
| 452 | jz slow_unlock |
| 453 | movl LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
| 454 | movl %fs:THREAD_ID_OFFSET, %edx // edx := thread id |
| 455 | test %ecx, %ecx |
| 456 | jb slow_unlock // lock word contains a monitor |
| 457 | cmpw %cx, %dx // does the thread id match? |
| 458 | jne slow_unlock |
| 459 | cmpl LITERAL(65536), %ecx |
| 460 | jae recursive_thin_unlock |
| 461 | movl LITERAL(0), LOCK_WORD_OFFSET(%eax) |
| 462 | ret |
| 463 | recursive_thin_unlock: |
| 464 | subl LITERAL(65536), %ecx |
| 465 | mov %ecx, LOCK_WORD_OFFSET(%eax) |
| 466 | ret |
| 467 | slow_unlock: |
| 468 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 469 | mov %esp, %edx // remember SP |
| 470 | // Outgoing argument set up |
| 471 | PUSH eax // push padding |
| 472 | PUSH edx // pass SP |
| 473 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 474 | .cfi_adjust_cfa_offset 4 |
| 475 | PUSH eax // pass object |
| 476 | call artUnlockObjectFromCode // artUnlockObjectFromCode(object, Thread*, SP) |
| 477 | addl MACRO_LITERAL(16), %esp // pop arguments |
| 478 | .cfi_adjust_cfa_offset -16 |
| 479 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 480 | RETURN_IF_EAX_ZERO |
| 481 | END_FUNCTION art_quick_unlock_object |
| 482 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 483 | DEFINE_FUNCTION art_quick_is_assignable |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 484 | PUSH eax // alignment padding |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 485 | PUSH ecx // pass arg2 - obj->klass |
| 486 | PUSH eax // pass arg1 - checked class |
| 487 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 488 | addl LITERAL(12), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 489 | .cfi_adjust_cfa_offset -12 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 490 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 491 | END_FUNCTION art_quick_is_assignable |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 492 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 493 | DEFINE_FUNCTION art_quick_check_cast |
| 494 | PUSH eax // alignment padding |
| 495 | PUSH ecx // pass arg2 - obj->klass |
| 496 | PUSH eax // pass arg1 - checked class |
| 497 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
| 498 | testl %eax, %eax |
| 499 | jz 1f // jump forward if not assignable |
| 500 | addl LITERAL(12), %esp // pop arguments |
| 501 | .cfi_adjust_cfa_offset -12 |
| 502 | ret |
| 503 | 1: |
| 504 | POP eax // pop arguments |
| 505 | POP ecx |
| 506 | addl LITERAL(4), %esp |
| 507 | .cfi_adjust_cfa_offset -12 |
| 508 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| 509 | mov %esp, %edx |
| 510 | // Outgoing argument set up |
| 511 | PUSH edx // pass SP |
| 512 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 513 | .cfi_adjust_cfa_offset 4 |
| 514 | PUSH ecx // pass arg2 |
| 515 | PUSH eax // pass arg1 |
| 516 | call SYMBOL(artThrowClassCastException) // (Class* a, Class* b, Thread*, SP) |
| 517 | int3 // unreached |
| 518 | END_FUNCTION art_quick_check_cast |
| 519 | |
| 520 | /* |
| 521 | * Entry from managed code for array put operations of objects where the value being stored |
| 522 | * needs to be checked for compatibility. |
| 523 | * eax = array, ecx = index, edx = value |
| 524 | */ |
| 525 | DEFINE_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 526 | testl %eax, %eax |
| 527 | jnz art_quick_aput_obj_with_bound_check |
| 528 | jmp art_quick_throw_null_pointer_exception |
| 529 | END_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 530 | |
| 531 | DEFINE_FUNCTION art_quick_aput_obj_with_bound_check |
| 532 | movl ARRAY_LENGTH_OFFSET(%eax), %ebx |
| 533 | cmpl %ebx, %ecx |
| 534 | jb art_quick_aput_obj |
| 535 | mov %ecx, %eax |
| 536 | mov %ebx, %ecx |
| 537 | jmp art_quick_throw_array_bounds |
| 538 | END_FUNCTION art_quick_aput_obj_with_bound_check |
| 539 | |
| 540 | DEFINE_FUNCTION art_quick_aput_obj |
| 541 | test %edx, %edx // store of null |
| 542 | jz do_aput_null |
| 543 | movl CLASS_OFFSET(%eax), %ebx |
| 544 | movl CLASS_COMPONENT_TYPE_OFFSET(%ebx), %ebx |
| 545 | cmpl CLASS_OFFSET(%edx), %ebx // value's type == array's component type - trivial assignability |
| 546 | jne check_assignability |
| 547 | do_aput: |
| 548 | movl %edx, OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
| 549 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 550 | shrl LITERAL(7), %eax |
| 551 | movb %dl, (%edx, %eax) |
| 552 | ret |
| 553 | do_aput_null: |
| 554 | movl %edx, OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
| 555 | ret |
| 556 | check_assignability: |
| 557 | PUSH eax // save arguments |
| 558 | PUSH ecx |
| 559 | PUSH edx |
| 560 | subl LITERAL(8), %esp // alignment padding |
| 561 | .cfi_adjust_cfa_offset 8 |
| 562 | pushl CLASS_OFFSET(%edx) // pass arg2 - type of the value to be stored |
| 563 | .cfi_adjust_cfa_offset 4 |
| 564 | PUSH ebx // pass arg1 - component type of the array |
| 565 | call SYMBOL(artIsAssignableFromCode) // (Class* a, Class* b) |
| 566 | addl LITERAL(16), %esp // pop arguments |
| 567 | .cfi_adjust_cfa_offset -16 |
| 568 | testl %eax, %eax |
| 569 | jz throw_array_store_exception |
| 570 | POP edx |
| 571 | POP ecx |
| 572 | POP eax |
| 573 | movl %edx, OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) // do the aput |
| 574 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 575 | shrl LITERAL(7), %eax |
| 576 | movb %dl, (%edx, %eax) |
| 577 | ret |
| 578 | throw_array_store_exception: |
| 579 | POP edx |
| 580 | POP ecx |
| 581 | POP eax |
| 582 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME // save all registers as basis for long jump context |
| 583 | mov %esp, %ecx |
| 584 | // Outgoing argument set up |
| 585 | PUSH ecx // pass SP |
| 586 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 587 | .cfi_adjust_cfa_offset 4 |
| 588 | PUSH edx // pass arg2 - value |
| 589 | PUSH eax // pass arg1 - array |
| 590 | call SYMBOL(artThrowArrayStoreException) // (array, value, Thread*, SP) |
| 591 | int3 // unreached |
| 592 | END_FUNCTION art_quick_aput_obj |
| 593 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 594 | DEFINE_FUNCTION art_quick_memcpy |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 595 | PUSH edx // pass arg3 |
| 596 | PUSH ecx // pass arg2 |
| 597 | PUSH eax // pass arg1 |
Elliott Hughes | adc078a | 2012-04-04 11:39:05 -0700 | [diff] [blame] | 598 | call SYMBOL(memcpy) // (void*, const void*, size_t) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 599 | addl LITERAL(12), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 600 | .cfi_adjust_cfa_offset -12 |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 601 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 602 | END_FUNCTION art_quick_memcpy |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 603 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 604 | NO_ARG_DOWNCALL art_quick_test_suspend, artTestSuspendFromCode, ret |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 605 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 606 | DEFINE_FUNCTION art_quick_fmod |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 607 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 608 | .cfi_adjust_cfa_offset 12 |
| 609 | PUSH ebx // pass arg4 b.hi |
| 610 | PUSH edx // pass arg3 b.lo |
| 611 | PUSH ecx // pass arg2 a.hi |
| 612 | PUSH eax // pass arg1 a.lo |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 613 | call SYMBOL(fmod) // (jdouble a, jdouble b) |
| 614 | fstpl (%esp) // pop return value off fp stack |
| 615 | movsd (%esp), %xmm0 // place into %xmm0 |
| 616 | addl LITERAL(28), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 617 | .cfi_adjust_cfa_offset -28 |
jeffhao | 292188d | 2012-05-17 15:45:04 -0700 | [diff] [blame] | 618 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 619 | END_FUNCTION art_quick_fmod |
jeffhao | 292188d | 2012-05-17 15:45:04 -0700 | [diff] [blame] | 620 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 621 | DEFINE_FUNCTION art_quick_fmodf |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 622 | PUSH eax // alignment padding |
| 623 | PUSH ecx // pass arg2 b |
| 624 | PUSH eax // pass arg1 a |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 625 | call SYMBOL(fmodf) // (jfloat a, jfloat b) |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 626 | fstps (%esp) // pop return value off fp stack |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 627 | movss (%esp), %xmm0 // place into %xmm0 |
| 628 | addl LITERAL(12), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 629 | .cfi_adjust_cfa_offset -12 |
jeffhao | 292188d | 2012-05-17 15:45:04 -0700 | [diff] [blame] | 630 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 631 | END_FUNCTION art_quick_fmodf |
jeffhao | 292188d | 2012-05-17 15:45:04 -0700 | [diff] [blame] | 632 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 633 | DEFINE_FUNCTION art_quick_l2d |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 634 | PUSH ecx // push arg2 a.hi |
| 635 | PUSH eax // push arg1 a.lo |
| 636 | fildll (%esp) // load as integer and push into st0 |
| 637 | fstpl (%esp) // pop value off fp stack as double |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 638 | movsd (%esp), %xmm0 // place into %xmm0 |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 639 | addl LITERAL(8), %esp // pop arguments |
| 640 | .cfi_adjust_cfa_offset -8 |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 641 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 642 | END_FUNCTION art_quick_l2d |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 643 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 644 | DEFINE_FUNCTION art_quick_l2f |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 645 | PUSH ecx // push arg2 a.hi |
| 646 | PUSH eax // push arg1 a.lo |
| 647 | fildll (%esp) // load as integer and push into st0 |
| 648 | fstps (%esp) // pop value off fp stack as a single |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 649 | movss (%esp), %xmm0 // place into %xmm0 |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 650 | addl LITERAL(8), %esp // pop argument |
| 651 | .cfi_adjust_cfa_offset -8 |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 652 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 653 | END_FUNCTION art_quick_l2f |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 654 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 655 | DEFINE_FUNCTION art_quick_d2l |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 656 | PUSH eax // alignment padding |
| 657 | PUSH ecx // pass arg2 a.hi |
| 658 | PUSH eax // pass arg1 a.lo |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 659 | call SYMBOL(art_d2l) // (jdouble a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 660 | addl LITERAL(12), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 661 | .cfi_adjust_cfa_offset -12 |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 662 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 663 | END_FUNCTION art_quick_d2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 664 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 665 | DEFINE_FUNCTION art_quick_f2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 666 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 667 | .cfi_adjust_cfa_offset 8 |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 668 | PUSH eax // pass arg1 a |
jeffhao | 1395b1e | 2012-06-13 18:05:13 -0700 | [diff] [blame] | 669 | call SYMBOL(art_f2l) // (jfloat a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 670 | addl LITERAL(12), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 671 | .cfi_adjust_cfa_offset -12 |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 672 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 673 | END_FUNCTION art_quick_f2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 674 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 675 | DEFINE_FUNCTION art_quick_idivmod |
jeffhao | 174651d | 2012-04-19 15:27:22 -0700 | [diff] [blame] | 676 | cmpl LITERAL(0x80000000), %eax |
| 677 | je check_arg2 // special case |
| 678 | args_ok: |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 679 | cdq // edx:eax = sign extend eax |
| 680 | idiv %ecx // (edx,eax) = (edx:eax % ecx, edx:eax / ecx) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 681 | ret |
jeffhao | 174651d | 2012-04-19 15:27:22 -0700 | [diff] [blame] | 682 | check_arg2: |
| 683 | cmpl LITERAL(-1), %ecx |
| 684 | jne args_ok |
| 685 | xorl %edx, %edx |
| 686 | ret // eax already holds min int |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 687 | END_FUNCTION art_quick_idivmod |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 688 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 689 | DEFINE_FUNCTION art_quick_ldiv |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 690 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 691 | .cfi_adjust_cfa_offset 12 |
| 692 | PUSH ebx // pass arg4 b.hi |
| 693 | PUSH edx // pass arg3 b.lo |
| 694 | PUSH ecx // pass arg2 a.hi |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 695 | PUSH eax // pass arg1 a.lo |
| 696 | call SYMBOL(artLdiv) // (jlong a, jlong b) |
| 697 | addl LITERAL(28), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 698 | .cfi_adjust_cfa_offset -28 |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 699 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 700 | END_FUNCTION art_quick_ldiv |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 701 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 702 | DEFINE_FUNCTION art_quick_lmod |
| 703 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 704 | .cfi_adjust_cfa_offset 12 |
| 705 | PUSH ebx // pass arg4 b.hi |
| 706 | PUSH edx // pass arg3 b.lo |
| 707 | PUSH ecx // pass arg2 a.hi |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 708 | PUSH eax // pass arg1 a.lo |
| 709 | call SYMBOL(artLmod) // (jlong a, jlong b) |
| 710 | addl LITERAL(28), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 711 | .cfi_adjust_cfa_offset -28 |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 712 | ret |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 713 | END_FUNCTION art_quick_lmod |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 714 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 715 | DEFINE_FUNCTION art_quick_lmul |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 716 | imul %eax, %ebx // ebx = a.lo(eax) * b.hi(ebx) |
| 717 | imul %edx, %ecx // ecx = b.lo(edx) * a.hi(ecx) |
| 718 | mul %edx // edx:eax = a.lo(eax) * b.lo(edx) |
| 719 | add %ebx, %ecx |
| 720 | add %ecx, %edx // edx += (a.lo * b.hi) + (b.lo * a.hi) |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 721 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 722 | END_FUNCTION art_quick_lmul |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 723 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 724 | DEFINE_FUNCTION art_quick_lshl |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 725 | // ecx:eax << edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 726 | xchg %edx, %ecx |
| 727 | shld %cl,%eax,%edx |
| 728 | shl %cl,%eax |
| 729 | test LITERAL(32), %cl |
| 730 | jz 1f |
| 731 | mov %eax, %edx |
| 732 | xor %eax, %eax |
| 733 | 1: |
| 734 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 735 | END_FUNCTION art_quick_lshl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 736 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 737 | DEFINE_FUNCTION art_quick_lshr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 738 | // ecx:eax >> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 739 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 740 | shrd %cl,%edx,%eax |
| 741 | sar %cl,%edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 742 | test LITERAL(32),%cl |
| 743 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 744 | mov %edx, %eax |
| 745 | sar LITERAL(31), %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 746 | 1: |
| 747 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 748 | END_FUNCTION art_quick_lshr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 749 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 750 | DEFINE_FUNCTION art_quick_lushr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 751 | // ecx:eax >>> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 752 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 753 | shrd %cl,%edx,%eax |
| 754 | shr %cl,%edx |
| 755 | test LITERAL(32),%cl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 756 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 757 | mov %edx, %eax |
| 758 | xor %edx, %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 759 | 1: |
| 760 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 761 | END_FUNCTION art_quick_lushr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 762 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 763 | DEFINE_FUNCTION art_quick_set32_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 764 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 765 | mov %esp, %ebx // remember SP |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 766 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 767 | .cfi_adjust_cfa_offset 8 |
| 768 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 769 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 770 | .cfi_adjust_cfa_offset 4 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 771 | mov 32(%ebx), %ebx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 772 | PUSH ebx // pass referrer |
| 773 | PUSH edx // pass new_val |
| 774 | PUSH ecx // pass object |
| 775 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 776 | call SYMBOL(artSet32InstanceFromCode) // (field_idx, Object*, new_val, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 777 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 778 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 779 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 780 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 781 | END_FUNCTION art_quick_set32_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 782 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 783 | DEFINE_FUNCTION art_quick_set64_instance |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 784 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 785 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 786 | .cfi_adjust_cfa_offset 8 |
| 787 | PUSH esp // pass SP-8 |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 788 | addl LITERAL(8), (%esp) // fix SP on stack by adding 8 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 789 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 790 | .cfi_adjust_cfa_offset 4 |
| 791 | PUSH ebx // pass high half of new_val |
| 792 | PUSH edx // pass low half of new_val |
| 793 | PUSH ecx // pass object |
| 794 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 795 | call SYMBOL(artSet64InstanceFromCode) // (field_idx, Object*, new_val, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 796 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 797 | .cfi_adjust_cfa_offset -32 |
| 798 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 799 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 800 | END_FUNCTION art_quick_set64_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 801 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 802 | DEFINE_FUNCTION art_quick_set_obj_instance |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 803 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 804 | mov %esp, %ebx // remember SP |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 805 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 806 | .cfi_adjust_cfa_offset 8 |
| 807 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 808 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 809 | .cfi_adjust_cfa_offset 4 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 810 | mov 32(%ebx), %ebx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 811 | PUSH ebx // pass referrer |
| 812 | PUSH edx // pass new_val |
| 813 | PUSH ecx // pass object |
| 814 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 815 | call SYMBOL(artSetObjInstanceFromCode) // (field_idx, Object*, new_val, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 816 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 817 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 818 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 819 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 820 | END_FUNCTION art_quick_set_obj_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 821 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 822 | DEFINE_FUNCTION art_quick_get32_instance |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 823 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 824 | mov %esp, %ebx // remember SP |
| 825 | mov 32(%esp), %edx // get referrer |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 826 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 827 | .cfi_adjust_cfa_offset 12 |
| 828 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 829 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 830 | .cfi_adjust_cfa_offset 4 |
| 831 | PUSH edx // pass referrer |
| 832 | PUSH ecx // pass object |
| 833 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 834 | call SYMBOL(artGet32InstanceFromCode) // (field_idx, Object*, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 835 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 836 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 837 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 838 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 839 | END_FUNCTION art_quick_get32_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 840 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 841 | DEFINE_FUNCTION art_quick_get64_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 842 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 843 | mov %esp, %ebx // remember SP |
| 844 | mov 32(%esp), %edx // get referrer |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 845 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 846 | .cfi_adjust_cfa_offset 12 |
| 847 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 848 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 849 | .cfi_adjust_cfa_offset 4 |
| 850 | PUSH edx // pass referrer |
| 851 | PUSH ecx // pass object |
| 852 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 853 | call SYMBOL(artGet64InstanceFromCode) // (field_idx, Object*, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 854 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 855 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 856 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 857 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 858 | END_FUNCTION art_quick_get64_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 859 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 860 | DEFINE_FUNCTION art_quick_get_obj_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 861 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 862 | mov %esp, %ebx // remember SP |
| 863 | mov 32(%esp), %edx // get referrer |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 864 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 865 | .cfi_adjust_cfa_offset 12 |
| 866 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 867 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 868 | .cfi_adjust_cfa_offset 4 |
| 869 | PUSH edx // pass referrer |
| 870 | PUSH ecx // pass object |
| 871 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 872 | call SYMBOL(artGetObjInstanceFromCode) // (field_idx, Object*, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 873 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 874 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 875 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 876 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 877 | END_FUNCTION art_quick_get_obj_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 878 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 879 | DEFINE_FUNCTION art_quick_set32_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 880 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 881 | mov %esp, %ebx // remember SP |
| 882 | mov 32(%esp), %edx // get referrer |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 883 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 884 | .cfi_adjust_cfa_offset 12 |
| 885 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 886 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 887 | .cfi_adjust_cfa_offset 4 |
| 888 | PUSH edx // pass referrer |
| 889 | PUSH ecx // pass new_val |
| 890 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 891 | call SYMBOL(artSet32StaticFromCode) // (field_idx, new_val, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 892 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 893 | .cfi_adjust_cfa_offset -32 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 894 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 895 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 896 | END_FUNCTION art_quick_set32_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 897 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 898 | DEFINE_FUNCTION art_quick_set64_static |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 899 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 900 | mov %esp, %ebx // remember SP |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 901 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 902 | .cfi_adjust_cfa_offset 8 |
| 903 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 904 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 905 | .cfi_adjust_cfa_offset 4 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 906 | mov 32(%ebx), %ebx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 907 | PUSH edx // pass high half of new_val |
| 908 | PUSH ecx // pass low half of new_val |
| 909 | PUSH ebx // pass referrer |
| 910 | PUSH eax // pass field_idx |
| 911 | call SYMBOL(artSet64StaticFromCode) // (field_idx, referrer, new_val, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 912 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 913 | .cfi_adjust_cfa_offset -32 |
| 914 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 915 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 916 | END_FUNCTION art_quick_set64_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 917 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 918 | DEFINE_FUNCTION art_quick_set_obj_static |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 919 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 920 | mov %esp, %ebx // remember SP |
| 921 | mov 32(%esp), %edx // get referrer |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 922 | subl LITERAL(12), %esp // alignment padding |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 923 | .cfi_adjust_cfa_offset 12 |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 924 | PUSH ebx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 925 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 926 | .cfi_adjust_cfa_offset 4 |
| 927 | PUSH edx // pass referrer |
| 928 | PUSH ecx // pass new_val |
| 929 | PUSH eax // pass field_idx |
| 930 | call SYMBOL(artSetObjStaticFromCode) // (field_idx, new_val, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 931 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 932 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 933 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 934 | END_FUNCTION art_quick_set_obj_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 935 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 936 | DEFINE_FUNCTION art_quick_get32_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 937 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 938 | mov %esp, %edx // remember SP |
| 939 | mov 32(%esp), %ecx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 940 | PUSH edx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 941 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 942 | .cfi_adjust_cfa_offset 4 |
| 943 | PUSH ecx // pass referrer |
| 944 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 945 | call SYMBOL(artGet32StaticFromCode) // (field_idx, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 946 | addl LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 947 | .cfi_adjust_cfa_offset -16 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 948 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 949 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 950 | END_FUNCTION art_quick_get32_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 951 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 952 | DEFINE_FUNCTION art_quick_get64_static |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 953 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 954 | mov %esp, %edx // remember SP |
| 955 | mov 32(%esp), %ecx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 956 | PUSH edx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 957 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 958 | .cfi_adjust_cfa_offset 4 |
| 959 | PUSH ecx // pass referrer |
| 960 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 961 | call SYMBOL(artGet64StaticFromCode) // (field_idx, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 962 | addl LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 963 | .cfi_adjust_cfa_offset -16 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 964 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 965 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 966 | END_FUNCTION art_quick_get64_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 967 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 968 | DEFINE_FUNCTION art_quick_get_obj_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 969 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save ref containing registers for GC |
| 970 | mov %esp, %edx // remember SP |
| 971 | mov 32(%esp), %ecx // get referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 972 | PUSH edx // pass SP |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 973 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 974 | .cfi_adjust_cfa_offset 4 |
| 975 | PUSH ecx // pass referrer |
| 976 | PUSH eax // pass field_idx |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 977 | call SYMBOL(artGetObjStaticFromCode) // (field_idx, referrer, Thread*, SP) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 978 | addl LITERAL(16), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 979 | .cfi_adjust_cfa_offset -16 |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 980 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 981 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 982 | END_FUNCTION art_quick_get_obj_static |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 983 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 984 | DEFINE_FUNCTION art_quick_proxy_invoke_handler |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 985 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME // save frame and Method* |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 986 | PUSH esp // pass SP |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 987 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 988 | .cfi_adjust_cfa_offset 4 |
| 989 | PUSH ecx // pass receiver |
| 990 | PUSH eax // pass proxy method |
Jeff Hao | 5fa60c3 | 2013-04-04 17:57:01 -0700 | [diff] [blame] | 991 | call SYMBOL(artQuickProxyInvokeHandler) // (proxy method, receiver, Thread*, SP) |
Ian Rogers | af6e67a | 2013-01-16 08:38:37 -0800 | [diff] [blame] | 992 | movd %eax, %xmm0 // place return value also into floating point return value |
| 993 | movd %edx, %xmm1 |
| 994 | punpckldq %xmm1, %xmm0 |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 995 | addl LITERAL(44), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 996 | .cfi_adjust_cfa_offset -44 |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 997 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 998 | END_FUNCTION art_quick_proxy_invoke_handler |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 999 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1000 | DEFINE_FUNCTION art_quick_resolution_trampoline |
| 1001 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 1002 | PUSH esp // pass SP |
| 1003 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 1004 | .cfi_adjust_cfa_offset 4 |
| 1005 | PUSH ecx // pass receiver |
| 1006 | PUSH eax // pass method |
| 1007 | call SYMBOL(artQuickResolutionTrampoline) // (Method* called, receiver, Thread*, SP) |
| 1008 | movl %eax, %edi // remember code pointer in EDI |
| 1009 | addl LITERAL(16), %esp // pop arguments |
| 1010 | test %eax, %eax // if code pointer is NULL goto deliver pending exception |
| 1011 | jz 1f |
| 1012 | POP eax // called method |
| 1013 | POP ecx // restore args |
| 1014 | POP edx |
| 1015 | POP ebx |
| 1016 | POP ebp // restore callee saves except EDI |
| 1017 | POP esi |
| 1018 | xchgl 0(%esp),%edi // restore EDI and place code pointer as only value on stack |
| 1019 | ret // tail call into method |
| 1020 | 1: |
| 1021 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 1022 | DELIVER_PENDING_EXCEPTION |
| 1023 | END_FUNCTION art_quick_resolution_trampoline |
| 1024 | |
| 1025 | DEFINE_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1026 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME // save frame |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1027 | mov %esp, %edx // remember SP |
| 1028 | PUSH eax // alignment padding |
| 1029 | PUSH edx // pass SP |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1030 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1031 | .cfi_adjust_cfa_offset 4 |
| 1032 | PUSH eax // pass method |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1033 | call SYMBOL(artQuickToInterpreterBridge) // (method, Thread*, SP) |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1034 | movd %eax, %xmm0 // place return value also into floating point return value |
| 1035 | movd %edx, %xmm1 |
| 1036 | punpckldq %xmm1, %xmm0 |
| 1037 | addl LITERAL(44), %esp // pop arguments |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1038 | .cfi_adjust_cfa_offset -44 |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1039 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1040 | END_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1041 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1042 | /* |
| 1043 | * Routine that intercepts method calls and returns. |
| 1044 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1045 | DEFINE_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1046 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 1047 | movl %esp, %edx // Save SP. |
| 1048 | PUSH eax // Save eax which will be clobbered by the callee-save method. |
| 1049 | subl LITERAL(8), %esp // Align stack. |
| 1050 | .cfi_adjust_cfa_offset 8 |
| 1051 | pushl 40(%esp) // Pass LR. |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1052 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1053 | PUSH edx // Pass SP. |
| 1054 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1055 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1056 | PUSH ecx // Pass receiver. |
| 1057 | PUSH eax // Pass Method*. |
| 1058 | call SYMBOL(artInstrumentationMethodEntryFromCode) // (Method*, Object*, Thread*, SP, LR) |
| 1059 | addl LITERAL(28), %esp // Pop arguments upto saved Method*. |
| 1060 | movl 28(%esp), %edi // Restore edi. |
| 1061 | movl %eax, 28(%esp) // Place code* over edi, just under return pc. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1062 | movl LITERAL(SYMBOL(art_quick_instrumentation_exit)), 32(%esp) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1063 | // Place instrumentation exit as return pc. |
| 1064 | movl (%esp), %eax // Restore eax. |
| 1065 | movl 8(%esp), %ecx // Restore ecx. |
| 1066 | movl 12(%esp), %edx // Restore edx. |
| 1067 | movl 16(%esp), %ebx // Restore ebx. |
| 1068 | movl 20(%esp), %ebp // Restore ebp. |
| 1069 | movl 24(%esp), %esi // Restore esi. |
| 1070 | addl LITERAL(28), %esp // Wind stack back upto code*. |
| 1071 | ret // Call method (and pop). |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1072 | END_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1073 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1074 | DEFINE_FUNCTION art_quick_instrumentation_exit |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1075 | pushl LITERAL(0) // Push a fake return PC as there will be none on the stack. |
| 1076 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME |
| 1077 | mov %esp, %ecx // Remember SP |
| 1078 | subl LITERAL(8), %esp // Save float return value. |
| 1079 | .cfi_adjust_cfa_offset 8 |
| 1080 | movd %xmm0, (%esp) |
| 1081 | PUSH edx // Save gpr return value. |
| 1082 | PUSH eax |
| 1083 | subl LITERAL(8), %esp // Align stack |
| 1084 | movd %xmm0, (%esp) |
| 1085 | subl LITERAL(8), %esp // Pass float return value. |
| 1086 | .cfi_adjust_cfa_offset 8 |
| 1087 | movd %xmm0, (%esp) |
| 1088 | PUSH edx // Pass gpr return value. |
| 1089 | PUSH eax |
| 1090 | PUSH ecx // Pass SP. |
| 1091 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current. |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1092 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1093 | call SYMBOL(artInstrumentationMethodExitFromCode) // (Thread*, SP, gpr_result, fpr_result) |
| 1094 | mov %eax, %ecx // Move returned link register. |
| 1095 | addl LITERAL(32), %esp // Pop arguments. |
| 1096 | .cfi_adjust_cfa_offset -32 |
| 1097 | movl %edx, %ebx // Move returned link register for deopt |
| 1098 | // (ebx is pretending to be our LR). |
| 1099 | POP eax // Restore gpr return value. |
| 1100 | POP edx |
| 1101 | movd (%esp), %xmm0 // Restore fpr return value. |
| 1102 | addl LITERAL(8), %esp |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 1103 | .cfi_adjust_cfa_offset -8 |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1104 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 1105 | addl LITERAL(4), %esp // Remove fake return pc. |
| 1106 | jmp *%ecx // Return. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1107 | END_FUNCTION art_quick_instrumentation_exit |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1108 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1109 | /* |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1110 | * Instrumentation has requested that we deoptimize into the interpreter. The deoptimization |
| 1111 | * will long jump to the upcall with a special exception of -1. |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1112 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1113 | DEFINE_FUNCTION art_quick_deoptimize |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1114 | pushl %ebx // Fake that we were called. |
Jeff Hao | c1fcdf1 | 2013-04-11 13:34:01 -0700 | [diff] [blame] | 1115 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1116 | mov %esp, %ecx // Remember SP. |
| 1117 | subl LITERAL(8), %esp // Align stack. |
| 1118 | .cfi_adjust_cfa_offset 8 |
| 1119 | PUSH ecx // Pass SP. |
| 1120 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1121 | .cfi_adjust_cfa_offset 4 |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1122 | call SYMBOL(artDeoptimize) // artDeoptimize(Thread*, SP) |
| 1123 | int3 // Unreachable. |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1124 | END_FUNCTION art_quick_deoptimize |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1125 | |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1126 | /* |
| 1127 | * String's indexOf. |
| 1128 | * |
| 1129 | * On entry: |
| 1130 | * eax: string object (known non-null) |
| 1131 | * ecx: char to match (known <= 0xFFFF) |
| 1132 | * edx: Starting offset in string data |
| 1133 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1134 | DEFINE_FUNCTION art_quick_indexof |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1135 | PUSH edi // push callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1136 | mov STRING_COUNT_OFFSET(%eax), %ebx |
| 1137 | mov STRING_VALUE_OFFSET(%eax), %edi |
| 1138 | mov STRING_OFFSET_OFFSET(%eax), %eax |
| 1139 | testl %edx, %edx // check if start < 0 |
| 1140 | jl clamp_min |
| 1141 | clamp_done: |
| 1142 | cmpl %ebx, %edx // check if start >= count |
| 1143 | jge not_found |
| 1144 | lea STRING_DATA_OFFSET(%edi, %eax, 2), %edi // build a pointer to the start of string data |
| 1145 | mov %edi, %eax // save a copy in eax to later compute result |
| 1146 | lea (%edi, %edx, 2), %edi // build pointer to start of data to compare |
| 1147 | subl %edx, %ebx // compute iteration count |
| 1148 | /* |
| 1149 | * At this point we have: |
| 1150 | * eax: original start of string data |
| 1151 | * ecx: char to compare |
| 1152 | * ebx: length to compare |
| 1153 | * edi: start of data to test |
| 1154 | */ |
| 1155 | mov %eax, %edx |
| 1156 | mov %ecx, %eax // put char to match in %eax |
| 1157 | mov %ebx, %ecx // put length to compare in %ecx |
| 1158 | repne scasw // find %ax, starting at [%edi], up to length %ecx |
| 1159 | jne not_found |
| 1160 | subl %edx, %edi |
| 1161 | sar LITERAL(1), %edi |
| 1162 | decl %edi // index = ((curr_ptr - orig_ptr) / 2) - 1 |
| 1163 | mov %edi, %eax |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1164 | POP edi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1165 | ret |
| 1166 | .balign 16 |
| 1167 | not_found: |
| 1168 | mov LITERAL(-1), %eax // return -1 (not found) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1169 | POP edi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1170 | ret |
| 1171 | clamp_min: |
| 1172 | xor %edx, %edx // clamp start to 0 |
| 1173 | jmp clamp_done |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1174 | END_FUNCTION art_quick_indexof |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1175 | |
| 1176 | /* |
| 1177 | * String's compareTo. |
| 1178 | * |
| 1179 | * On entry: |
| 1180 | * eax: this string object (known non-null) |
| 1181 | * ecx: comp string object (known non-null) |
| 1182 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1183 | DEFINE_FUNCTION art_quick_string_compareto |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1184 | PUSH esi // push callee save reg |
| 1185 | PUSH edi // push callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1186 | mov STRING_COUNT_OFFSET(%eax), %edx |
| 1187 | mov STRING_COUNT_OFFSET(%ecx), %ebx |
| 1188 | mov STRING_VALUE_OFFSET(%eax), %esi |
| 1189 | mov STRING_VALUE_OFFSET(%ecx), %edi |
| 1190 | mov STRING_OFFSET_OFFSET(%eax), %eax |
| 1191 | mov STRING_OFFSET_OFFSET(%ecx), %ecx |
| 1192 | /* Build pointers to the start of string data */ |
| 1193 | lea STRING_DATA_OFFSET(%esi, %eax, 2), %esi |
| 1194 | lea STRING_DATA_OFFSET(%edi, %ecx, 2), %edi |
| 1195 | /* Calculate min length and count diff */ |
| 1196 | mov %edx, %ecx |
| 1197 | mov %edx, %eax |
| 1198 | subl %ebx, %eax |
| 1199 | cmovg %ebx, %ecx |
| 1200 | /* |
| 1201 | * At this point we have: |
| 1202 | * eax: value to return if first part of strings are equal |
| 1203 | * ecx: minimum among the lengths of the two strings |
| 1204 | * esi: pointer to this string data |
| 1205 | * edi: pointer to comp string data |
| 1206 | */ |
| 1207 | repe cmpsw // find nonmatching chars in [%esi] and [%edi], up to length %ecx |
| 1208 | jne not_equal |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1209 | POP edi // pop callee save reg |
| 1210 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1211 | ret |
| 1212 | .balign 16 |
| 1213 | not_equal: |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 1214 | movzwl -2(%esi), %eax // get last compared char from this string |
| 1215 | movzwl -2(%edi), %ecx // get last compared char from comp string |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1216 | subl %ecx, %eax // return the difference |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1217 | POP edi // pop callee save reg |
| 1218 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1219 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1220 | END_FUNCTION art_quick_string_compareto |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1221 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 1222 | // TODO: implement these! |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1223 | UNIMPLEMENTED art_quick_memcmp16 |