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 | |
Hiroshi Yamauchi | 4adeab1 | 2015-10-02 15:27:55 -0700 | [diff] [blame] | 19 | #include "arch/quick_alloc_entrypoints.S" |
| 20 | |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 21 | // For x86, the CFA is esp+4, the address above the pushed return address on the stack. |
| 22 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 23 | /* |
| 24 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 25 | * Runtime::CreateCalleeSaveMethod(kSaveAll) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 26 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 27 | MACRO2(SETUP_SAVE_ALL_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 28 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 29 | PUSH esi |
| 30 | PUSH ebp |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 31 | subl MACRO_LITERAL(12), %esp // Grow stack by 3 words. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 32 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 33 | SETUP_GOT_NOSAVE RAW_VAR(got_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 34 | // Load Runtime::instance_ from GOT. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 35 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg)), REG_VAR(temp_reg) |
| 36 | movl (REG_VAR(temp_reg)), REG_VAR(temp_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 37 | // Push save all callee-save method. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 38 | pushl RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg)) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 39 | CFI_ADJUST_CFA_OFFSET(4) |
| 40 | // Store esp as the top quick frame. |
| 41 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 42 | // Ugly compile-time check, but we only have the preprocessor. |
| 43 | // Last +4: implicit return address pushed on stack when caller made call. |
| 44 | #if (FRAME_SIZE_SAVE_ALL_CALLEE_SAVE != 3*4 + 16 + 4) |
| 45 | #error "SAVE_ALL_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 46 | #endif |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 47 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 48 | |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 49 | /* |
| 50 | * Macro that sets up the callee save frame to conform with |
| 51 | * Runtime::CreateCalleeSaveMethod(kRefsOnly) |
| 52 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 53 | MACRO2(SETUP_REFS_ONLY_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 54 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 55 | PUSH esi |
| 56 | PUSH ebp |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 57 | subl MACRO_LITERAL(12), %esp // Grow stack by 3 words. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 58 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 59 | SETUP_GOT_NOSAVE RAW_VAR(got_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 60 | // Load Runtime::instance_ from GOT. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 61 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg)), REG_VAR(temp_reg) |
| 62 | movl (REG_VAR(temp_reg)), REG_VAR(temp_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 63 | // Push save all callee-save method. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 64 | pushl RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg)) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 65 | CFI_ADJUST_CFA_OFFSET(4) |
| 66 | // Store esp as the top quick frame. |
| 67 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 68 | |
| 69 | // Ugly compile-time check, but we only have the preprocessor. |
| 70 | // Last +4: implicit return address pushed on stack when caller made call. |
| 71 | #if (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE != 3*4 + 16 + 4) |
| 72 | #error "REFS_ONLY_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 73 | #endif |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 74 | END_MACRO |
| 75 | |
Nicolas Geoffray | 0f838aa | 2016-06-08 18:01:22 +0100 | [diff] [blame] | 76 | /* |
| 77 | * Macro that sets up the callee save frame to conform with |
| 78 | * Runtime::CreateCalleeSaveMethod(kRefsOnly) |
| 79 | * and preserves the value of got_reg at entry. |
| 80 | */ |
| 81 | MACRO2(SETUP_REFS_ONLY_CALLEE_SAVE_FRAME_PRESERVE_GOT_REG, got_reg, temp_reg) |
| 82 | PUSH edi // Save callee saves (ebx is saved/restored by the upcall) |
| 83 | PUSH esi |
| 84 | PUSH ebp |
Vladimir Marko | 2ebef63 | 2016-06-21 11:24:47 +0100 | [diff] [blame] | 85 | PUSH RAW_VAR(got_reg) // Save got_reg |
Nicolas Geoffray | 0f838aa | 2016-06-08 18:01:22 +0100 | [diff] [blame] | 86 | subl MACRO_LITERAL(8), %esp // Grow stack by 2 words. |
| 87 | CFI_ADJUST_CFA_OFFSET(8) |
| 88 | |
| 89 | SETUP_GOT_NOSAVE RAW_VAR(got_reg) |
| 90 | // Load Runtime::instance_ from GOT. |
| 91 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg)), REG_VAR(temp_reg) |
| 92 | movl (REG_VAR(temp_reg)), REG_VAR(temp_reg) |
| 93 | // Push save all callee-save method. |
| 94 | pushl RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg)) |
| 95 | CFI_ADJUST_CFA_OFFSET(4) |
| 96 | // Store esp as the top quick frame. |
| 97 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
| 98 | // Restore got_reg. |
| 99 | movl 12(%esp), REG_VAR(got_reg) |
Vladimir Marko | 2ebef63 | 2016-06-21 11:24:47 +0100 | [diff] [blame] | 100 | CFI_RESTORE(RAW_VAR(got_reg)) |
Nicolas Geoffray | 0f838aa | 2016-06-08 18:01:22 +0100 | [diff] [blame] | 101 | |
| 102 | // Ugly compile-time check, but we only have the preprocessor. |
| 103 | // Last +4: implicit return address pushed on stack when caller made call. |
| 104 | #if (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE != 3*4 + 16 + 4) |
| 105 | #error "REFS_ONLY_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 106 | #endif |
| 107 | END_MACRO |
| 108 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 109 | MACRO0(RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME) |
Ian Rogers | 47d00c0 | 2014-04-16 17:33:27 -0700 | [diff] [blame] | 110 | addl MACRO_LITERAL(16), %esp // Unwind stack up to saved values |
Andreas Gampe | bf6b92a | 2014-03-05 16:11:04 -0800 | [diff] [blame] | 111 | CFI_ADJUST_CFA_OFFSET(-16) |
Mathieu Chartier | 2a6c7b7 | 2013-10-16 11:16:33 -0700 | [diff] [blame] | 112 | POP ebp // Restore callee saves (ebx is saved/restored by the upcall) |
| 113 | POP esi |
| 114 | POP edi |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 115 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 116 | |
| 117 | /* |
| 118 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 119 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs) |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 120 | */ |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 121 | MACRO2(SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME, got_reg, temp_reg) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 122 | PUSH edi // Save callee saves |
| 123 | PUSH esi |
| 124 | PUSH ebp |
| 125 | PUSH ebx // Save args |
| 126 | PUSH edx |
| 127 | PUSH ecx |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 128 | // Create space for FPR args. |
| 129 | subl MACRO_LITERAL(4 * 8), %esp |
| 130 | CFI_ADJUST_CFA_OFFSET(4 * 8) |
| 131 | // Save FPRs. |
| 132 | movsd %xmm0, 0(%esp) |
| 133 | movsd %xmm1, 8(%esp) |
| 134 | movsd %xmm2, 16(%esp) |
| 135 | movsd %xmm3, 24(%esp) |
| 136 | |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 137 | SETUP_GOT_NOSAVE RAW_VAR(got_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 138 | // Load Runtime::instance_ from GOT. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 139 | movl SYMBOL(_ZN3art7Runtime9instance_E)@GOT(REG_VAR(got_reg)), REG_VAR(temp_reg) |
| 140 | movl (REG_VAR(temp_reg)), REG_VAR(temp_reg) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 141 | // Push save all callee-save method. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 142 | pushl RUNTIME_REFS_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET(REG_VAR(temp_reg)) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 143 | CFI_ADJUST_CFA_OFFSET(4) |
| 144 | // Store esp as the stop quick frame. |
| 145 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 146 | |
| 147 | // Ugly compile-time check, but we only have the preprocessor. |
| 148 | // Last +4: implicit return address pushed on stack when caller made call. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 149 | #if (FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE != 7*4 + 4*8 + 4) |
Andreas Gampe | 5c1e435 | 2014-04-21 19:28:24 -0700 | [diff] [blame] | 150 | #error "REFS_AND_ARGS_CALLEE_SAVE_FRAME(X86) size not as expected." |
| 151 | #endif |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 152 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 153 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 154 | /* |
| 155 | * Macro that sets up the callee save frame to conform with |
| 156 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs) where the method is passed in EAX. |
| 157 | */ |
| 158 | MACRO0(SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 159 | // Save callee and GPR args, mixed together to agree with core spills bitmap. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 160 | PUSH edi // Save callee saves |
| 161 | PUSH esi |
| 162 | PUSH ebp |
| 163 | PUSH ebx // Save args |
| 164 | PUSH edx |
| 165 | PUSH ecx |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 166 | |
| 167 | // Create space for FPR args. |
| 168 | subl MACRO_LITERAL(32), %esp |
| 169 | CFI_ADJUST_CFA_OFFSET(32) |
| 170 | |
| 171 | // Save FPRs. |
| 172 | movsd %xmm0, 0(%esp) |
| 173 | movsd %xmm1, 8(%esp) |
| 174 | movsd %xmm2, 16(%esp) |
| 175 | movsd %xmm3, 24(%esp) |
| 176 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 177 | PUSH eax // Store the ArtMethod reference at the bottom of the stack. |
| 178 | // Store esp as the stop quick frame. |
| 179 | movl %esp, %fs:THREAD_TOP_QUICK_FRAME_OFFSET |
| 180 | END_MACRO |
| 181 | |
| 182 | MACRO0(RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 183 | // Restore FPRs. EAX is still on the stack. |
| 184 | movsd 4(%esp), %xmm0 |
| 185 | movsd 12(%esp), %xmm1 |
| 186 | movsd 20(%esp), %xmm2 |
| 187 | movsd 28(%esp), %xmm3 |
| 188 | |
| 189 | addl MACRO_LITERAL(36), %esp // Remove FPRs and EAX. |
| 190 | CFI_ADJUST_CFA_OFFSET(-36) |
| 191 | |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 192 | POP ecx // Restore args except eax |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 193 | POP edx |
| 194 | POP ebx |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 195 | POP ebp // Restore callee saves |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 196 | POP esi |
| 197 | POP edi |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 198 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 199 | |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 200 | // Restore register and jump to routine |
| 201 | // Inputs: EDI contains pointer to code. |
| 202 | // Notes: Need to pop EAX too (restores Method*) |
| 203 | MACRO0(RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME_AND_JUMP) |
| 204 | POP eax // Restore Method* |
| 205 | |
| 206 | // Restore FPRs. |
| 207 | movsd 0(%esp), %xmm0 |
| 208 | movsd 8(%esp), %xmm1 |
| 209 | movsd 16(%esp), %xmm2 |
| 210 | movsd 24(%esp), %xmm3 |
| 211 | |
| 212 | addl MACRO_LITERAL(32), %esp // Remove FPRs. |
| 213 | CFI_ADJUST_CFA_OFFSET(-32) |
| 214 | |
| 215 | POP ecx // Restore args except eax |
| 216 | POP edx |
| 217 | POP ebx |
| 218 | POP ebp // Restore callee saves |
| 219 | POP esi |
| 220 | xchgl 0(%esp),%edi // restore EDI and place code pointer as only value on stack |
| 221 | ret |
| 222 | END_MACRO |
| 223 | |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 224 | /* |
| 225 | * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| 226 | * exception is Thread::Current()->exception_. |
| 227 | */ |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 228 | MACRO0(DELIVER_PENDING_EXCEPTION) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 229 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save callee saves for throw |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 230 | // Outgoing argument set up |
Roland Levillain | a7821bf | 2016-06-30 16:21:31 +0100 | [diff] [blame] | 231 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 232 | CFI_ADJUST_CFA_OFFSET(12) |
| 233 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 234 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 235 | call SYMBOL(artDeliverPendingExceptionFromCode) // artDeliverPendingExceptionFromCode(Thread*) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 236 | UNREACHABLE |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 237 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 238 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 239 | MACRO2(NO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 240 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 241 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 242 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 243 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 244 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 245 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 246 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 247 | call CALLVAR(cxx_name) // cxx_name(Thread*) |
| 248 | UNREACHABLE |
| 249 | END_FUNCTION VAR(c_name) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 250 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 251 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 252 | MACRO2(ONE_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 253 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 254 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 255 | mov %esp, %ecx |
| 256 | // Outgoing argument set up |
Roland Levillain | a7821bf | 2016-06-30 16:21:31 +0100 | [diff] [blame] | 257 | subl MACRO_LITERAL(8), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 258 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 259 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 260 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 261 | PUSH eax // pass arg1 |
| 262 | call CALLVAR(cxx_name) // cxx_name(arg1, Thread*) |
| 263 | UNREACHABLE |
| 264 | END_FUNCTION VAR(c_name) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 265 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 266 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 267 | MACRO2(TWO_ARG_RUNTIME_EXCEPTION, c_name, cxx_name) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 268 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 269 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 270 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 271 | PUSH eax // alignment padding |
| 272 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 273 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 274 | PUSH ecx // pass arg2 |
| 275 | PUSH eax // pass arg1 |
| 276 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, Thread*) |
| 277 | UNREACHABLE |
| 278 | END_FUNCTION VAR(c_name) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 279 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 280 | |
| 281 | /* |
| 282 | * Called by managed code to create and deliver a NullPointerException. |
| 283 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 284 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_null_pointer_exception, artThrowNullPointerExceptionFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 285 | |
| 286 | /* |
Nicolas Geoffray | e8e1127 | 2016-06-28 18:08:46 +0100 | [diff] [blame] | 287 | * Call installed by a signal handler to create and deliver a NullPointerException. |
| 288 | */ |
| 289 | ONE_ARG_RUNTIME_EXCEPTION art_quick_throw_null_pointer_exception_from_signal, artThrowNullPointerExceptionFromSignal |
| 290 | |
| 291 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 292 | * Called by managed code to create and deliver an ArithmeticException. |
| 293 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 294 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_div_zero, artThrowDivZeroFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 295 | |
| 296 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 297 | * Called by managed code to create and deliver a StackOverflowError. |
| 298 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 299 | NO_ARG_RUNTIME_EXCEPTION art_quick_throw_stack_overflow, artThrowStackOverflowFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 300 | |
| 301 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 302 | * Called by managed code, saves callee saves and then calls artThrowException |
| 303 | * that will place a mock Method* at the bottom of the stack. Arg1 holds the exception. |
| 304 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 305 | ONE_ARG_RUNTIME_EXCEPTION art_quick_deliver_exception, artDeliverExceptionFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 306 | |
| 307 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 308 | * Called by managed code to create and deliver a NoSuchMethodError. |
| 309 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 310 | ONE_ARG_RUNTIME_EXCEPTION art_quick_throw_no_such_method, artThrowNoSuchMethodFromCode |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 311 | |
| 312 | /* |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 313 | * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException. Arg1 holds |
| 314 | * index, arg2 holds limit. |
| 315 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 316 | TWO_ARG_RUNTIME_EXCEPTION art_quick_throw_array_bounds, artThrowArrayBoundsFromCode |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 317 | |
| 318 | /* |
Vladimir Marko | 87f3fcb | 2016-04-28 15:52:11 +0100 | [diff] [blame] | 319 | * Called by managed code to create and deliver a StringIndexOutOfBoundsException |
| 320 | * as if thrown from a call to String.charAt(). Arg1 holds index, arg2 holds limit. |
| 321 | */ |
| 322 | TWO_ARG_RUNTIME_EXCEPTION art_quick_throw_string_bounds, artThrowStringBoundsFromCode |
| 323 | |
| 324 | /* |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 325 | * All generated callsites for interface invokes and invocation slow paths will load arguments |
| 326 | * as usual - except instead of loading arg0/r0 with the target Method*, arg0/r0 will contain |
Nicolas Geoffray | 7ea6a17 | 2015-05-19 18:58:54 +0100 | [diff] [blame] | 327 | * the method_idx. This wrapper will save arg1-arg3 and call the appropriate C helper. |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 328 | * NOTE: "this" is first visible argument of the target, and so can be found in arg1/r1. |
| 329 | * |
| 330 | * The helper will attempt to locate the target and return a 64-bit result in r0/r1 consisting |
| 331 | * of the target Method* in r0 and method->code_ in r1. |
| 332 | * |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 333 | * If unsuccessful, the helper will return null/null will bea pending exception in the |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 334 | * thread and we branch to another stub to deliver it. |
| 335 | * |
| 336 | * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| 337 | * pointing back to the original caller. |
| 338 | */ |
Andreas Gampe | 3031c8d | 2015-07-13 20:11:06 -0700 | [diff] [blame] | 339 | MACRO1(INVOKE_TRAMPOLINE_BODY, cxx_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 340 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 341 | movl %esp, %edx // remember SP |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 342 | |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 343 | // Outgoing argument set up |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 344 | PUSH edx // pass SP |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 345 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 346 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 347 | PUSH ecx // pass arg2 |
| 348 | PUSH eax // pass arg1 |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 349 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, Thread*, SP) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 350 | movl %edx, %edi // save code pointer in EDI |
Nicolas Geoffray | 7ea6a17 | 2015-05-19 18:58:54 +0100 | [diff] [blame] | 351 | addl MACRO_LITERAL(20), %esp // Pop arguments skip eax |
| 352 | CFI_ADJUST_CFA_OFFSET(-20) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 353 | |
| 354 | // Restore FPRs. |
| 355 | movsd 0(%esp), %xmm0 |
| 356 | movsd 8(%esp), %xmm1 |
| 357 | movsd 16(%esp), %xmm2 |
| 358 | movsd 24(%esp), %xmm3 |
| 359 | |
| 360 | // Remove space for FPR args. |
| 361 | addl MACRO_LITERAL(4 * 8), %esp |
| 362 | CFI_ADJUST_CFA_OFFSET(-4 * 8) |
| 363 | |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 364 | POP ecx // Restore args except eax |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 365 | POP edx |
| 366 | POP ebx |
Dave Allison | bbb32c2 | 2013-11-05 18:25:18 -0800 | [diff] [blame] | 367 | POP ebp // Restore callee saves |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 368 | POP esi |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 369 | // Swap EDI callee save with code pointer. |
| 370 | xchgl %edi, (%esp) |
| 371 | testl %eax, %eax // Branch forward if exception pending. |
| 372 | jz 1f |
| 373 | // Tail call to intended method. |
| 374 | ret |
| 375 | 1: |
jeffhao | 20b5c6c | 2012-05-21 14:15:18 -0700 | [diff] [blame] | 376 | addl MACRO_LITERAL(4), %esp // Pop code pointer off stack |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 377 | CFI_ADJUST_CFA_OFFSET(-4) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 378 | DELIVER_PENDING_EXCEPTION |
Andreas Gampe | 3031c8d | 2015-07-13 20:11:06 -0700 | [diff] [blame] | 379 | END_MACRO |
| 380 | MACRO2(INVOKE_TRAMPOLINE, c_name, cxx_name) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 381 | DEFINE_FUNCTION VAR(c_name) |
| 382 | INVOKE_TRAMPOLINE_BODY RAW_VAR(cxx_name) |
| 383 | END_FUNCTION VAR(c_name) |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 384 | END_MACRO |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 385 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 386 | INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 387 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 388 | INVOKE_TRAMPOLINE art_quick_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck |
| 389 | INVOKE_TRAMPOLINE art_quick_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck |
| 390 | INVOKE_TRAMPOLINE art_quick_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck |
| 391 | INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck |
Ian Rogers | 57b86d4 | 2012-03-27 16:05:41 -0700 | [diff] [blame] | 392 | |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 393 | /* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 394 | * Helper for quick invocation stub to set up XMM registers. |
| 395 | * Increments shorty and arg_array and clobbers temp_char. |
| 396 | * Branches to finished if it encounters the end of the shorty. |
| 397 | */ |
| 398 | MACRO5(LOOP_OVER_SHORTY_LOADING_XMMS, xmm_reg, shorty, arg_array, temp_char, finished) |
| 399 | 1: // LOOP |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 400 | movb (REG_VAR(shorty)), REG_VAR(temp_char) // temp_char := *shorty |
| 401 | addl MACRO_LITERAL(1), REG_VAR(shorty) // shorty++ |
| 402 | cmpb MACRO_LITERAL(0), REG_VAR(temp_char) // if (temp_char == '\0') |
| 403 | je VAR(finished) // goto finished |
| 404 | cmpb MACRO_LITERAL(68), REG_VAR(temp_char) // if (temp_char == 'D') |
| 405 | je 2f // goto FOUND_DOUBLE |
| 406 | cmpb MACRO_LITERAL(70), REG_VAR(temp_char) // if (temp_char == 'F') |
| 407 | je 3f // goto FOUND_FLOAT |
| 408 | addl MACRO_LITERAL(4), REG_VAR(arg_array) // arg_array++ |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 409 | // Handle extra space in arg array taken by a long. |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 410 | cmpb MACRO_LITERAL(74), REG_VAR(temp_char) // if (temp_char != 'J') |
| 411 | jne 1b // goto LOOP |
| 412 | addl MACRO_LITERAL(4), REG_VAR(arg_array) // arg_array++ |
| 413 | jmp 1b // goto LOOP |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 414 | 2: // FOUND_DOUBLE |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 415 | movsd (REG_VAR(arg_array)), REG_VAR(xmm_reg) |
| 416 | addl MACRO_LITERAL(8), REG_VAR(arg_array) // arg_array+=2 |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 417 | jmp 4f |
| 418 | 3: // FOUND_FLOAT |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 419 | movss (REG_VAR(arg_array)), REG_VAR(xmm_reg) |
| 420 | addl MACRO_LITERAL(4), REG_VAR(arg_array) // arg_array++ |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 421 | 4: |
| 422 | END_MACRO |
| 423 | |
| 424 | /* |
| 425 | * Helper for quick invocation stub to set up GPR registers. |
| 426 | * Increments shorty and arg_array, and returns the current short character in |
| 427 | * temp_char. Branches to finished if it encounters the end of the shorty. |
| 428 | */ |
| 429 | MACRO4(SKIP_OVER_FLOATS, shorty, arg_array, temp_char, finished) |
| 430 | 1: // LOOP: |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 431 | movb (REG_VAR(shorty)), REG_VAR(temp_char) // temp_char := *shorty |
| 432 | addl MACRO_LITERAL(1), REG_VAR(shorty) // shorty++ |
| 433 | cmpb MACRO_LITERAL(0), REG_VAR(temp_char) // if (temp_char == '\0') |
| 434 | je VAR(finished) // goto finished |
| 435 | cmpb MACRO_LITERAL(70), REG_VAR(temp_char) // if (temp_char == 'F') |
| 436 | je 3f // goto SKIP_FLOAT |
| 437 | cmpb MACRO_LITERAL(68), REG_VAR(temp_char) // if (temp_char == 'D') |
| 438 | je 4f // goto SKIP_DOUBLE |
| 439 | jmp 5f // goto end |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 440 | 3: // SKIP_FLOAT |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 441 | addl MACRO_LITERAL(4), REG_VAR(arg_array) // arg_array++ |
| 442 | jmp 1b // goto LOOP |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 443 | 4: // SKIP_DOUBLE |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 444 | addl MACRO_LITERAL(8), REG_VAR(arg_array) // arg_array+=2 |
| 445 | jmp 1b // goto LOOP |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 446 | 5: |
| 447 | END_MACRO |
| 448 | |
| 449 | /* |
| 450 | * Quick invocation stub (non-static). |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 451 | * On entry: |
| 452 | * [sp] = return address |
| 453 | * [sp + 4] = method pointer |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 454 | * [sp + 8] = argument array or null for no argument methods |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 455 | * [sp + 12] = size of argument array in bytes |
| 456 | * [sp + 16] = (managed) thread pointer |
| 457 | * [sp + 20] = JValue* result |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 458 | * [sp + 24] = shorty |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 459 | */ |
| 460 | DEFINE_FUNCTION art_quick_invoke_stub |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 461 | // Save the non-volatiles. |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 462 | PUSH ebp // save ebp |
| 463 | PUSH ebx // save ebx |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 464 | PUSH esi // save esi |
| 465 | PUSH edi // save edi |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 466 | // Set up argument XMM registers. |
| 467 | mov 24+16(%esp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 468 | addl LITERAL(1), %esi |
| 469 | mov 8+16(%esp), %edi // EDI := arg_array + 4 ; ie skip this pointer. |
| 470 | addl LITERAL(4), %edi |
| 471 | // Clobbers ESI, EDI, EAX. |
| 472 | LOOP_OVER_SHORTY_LOADING_XMMS xmm0, esi, edi, al, .Lxmm_setup_finished |
| 473 | LOOP_OVER_SHORTY_LOADING_XMMS xmm1, esi, edi, al, .Lxmm_setup_finished |
| 474 | LOOP_OVER_SHORTY_LOADING_XMMS xmm2, esi, edi, al, .Lxmm_setup_finished |
| 475 | LOOP_OVER_SHORTY_LOADING_XMMS xmm3, esi, edi, al, .Lxmm_setup_finished |
| 476 | .balign 16 |
| 477 | .Lxmm_setup_finished: |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 478 | mov %esp, %ebp // copy value of stack pointer into base pointer |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 479 | CFI_DEF_CFA_REGISTER(ebp) |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 480 | mov 28(%ebp), %ebx // get arg array size |
| 481 | // reserve space for return addr, method*, ebx, ebp, esi, and edi in frame |
| 482 | addl LITERAL(36), %ebx |
| 483 | // align frame size to 16 bytes |
| 484 | andl LITERAL(0xFFFFFFF0), %ebx |
| 485 | subl LITERAL(20), %ebx // remove space for return address, ebx, ebp, esi and edi |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 486 | subl %ebx, %esp // reserve stack space for argument array |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 487 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 488 | movl LITERAL(0), (%esp) // store null for method* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 489 | |
| 490 | // Copy arg array into stack. |
| 491 | movl 28(%ebp), %ecx // ECX = size of args |
| 492 | movl 24(%ebp), %esi // ESI = argument array |
| 493 | leal 4(%esp), %edi // EDI = just after Method* in stack arguments |
| 494 | rep movsb // while (ecx--) { *edi++ = *esi++ } |
| 495 | |
| 496 | mov 40(%ebp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 497 | addl LITERAL(1), %esi |
| 498 | mov 24(%ebp), %edi // EDI := arg_array |
| 499 | mov 0(%edi), %ecx // ECX := this pointer |
| 500 | addl LITERAL(4), %edi // EDI := arg_array + 4 ; ie skip this pointer. |
| 501 | |
| 502 | // Enumerate the possible cases for loading GPRS. |
| 503 | // edx (and maybe ebx): |
| 504 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished |
| 505 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 506 | je .LfirstLong |
| 507 | // Must be an integer value. |
| 508 | movl (%edi), %edx |
| 509 | addl LITERAL(4), %edi // arg_array++ |
| 510 | |
| 511 | // Now check ebx |
| 512 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 513 | // Must be first word of a long, or an integer. First word of long doesn't |
| 514 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 515 | movl (%edi), %ebx |
| 516 | jmp .Lgpr_setup_finished |
| 517 | .LfirstLong: |
| 518 | movl (%edi), %edx |
| 519 | movl 4(%edi), %ebx |
| 520 | // Nothing left to load. |
| 521 | .Lgpr_setup_finished: |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 522 | mov 20(%ebp), %eax // move method pointer into eax |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 523 | call *ART_METHOD_QUICK_CODE_OFFSET_32(%eax) // call the method |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 524 | mov %ebp, %esp // restore stack pointer |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 525 | CFI_DEF_CFA_REGISTER(esp) |
Nicolas Geoffray | 4808846 | 2014-12-12 10:29:38 +0000 | [diff] [blame] | 526 | POP edi // pop edi |
| 527 | POP esi // pop esi |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 528 | POP ebx // pop ebx |
| 529 | POP ebp // pop ebp |
| 530 | mov 20(%esp), %ecx // get result pointer |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 531 | mov %eax, (%ecx) // store the result assuming its a long, int or Object* |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 532 | mov %edx, 4(%ecx) // store the other half of the result |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 533 | mov 24(%esp), %edx // get the shorty |
| 534 | cmpb LITERAL(68), (%edx) // test if result type char == 'D' |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 535 | je .Lreturn_double_quick |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 536 | cmpb LITERAL(70), (%edx) // test if result type char == 'F' |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 537 | je .Lreturn_float_quick |
Jeff Hao | 6474d19 | 2013-03-26 14:08:09 -0700 | [diff] [blame] | 538 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 539 | .Lreturn_double_quick: |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 540 | movsd %xmm0, (%ecx) // store the floating point result |
| 541 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 542 | .Lreturn_float_quick: |
Ian Rogers | 0177e53 | 2014-02-11 16:30:46 -0800 | [diff] [blame] | 543 | movss %xmm0, (%ecx) // store the floating point result |
| 544 | ret |
Jeff Hao | 5d91730 | 2013-02-27 17:57:33 -0800 | [diff] [blame] | 545 | END_FUNCTION art_quick_invoke_stub |
| 546 | |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 547 | /* |
| 548 | * Quick invocation stub (static). |
| 549 | * On entry: |
| 550 | * [sp] = return address |
| 551 | * [sp + 4] = method pointer |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 552 | * [sp + 8] = argument array or null for no argument methods |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 553 | * [sp + 12] = size of argument array in bytes |
| 554 | * [sp + 16] = (managed) thread pointer |
| 555 | * [sp + 20] = JValue* result |
| 556 | * [sp + 24] = shorty |
| 557 | */ |
| 558 | DEFINE_FUNCTION art_quick_invoke_static_stub |
| 559 | // Save the non-volatiles. |
| 560 | PUSH ebp // save ebp |
| 561 | PUSH ebx // save ebx |
| 562 | PUSH esi // save esi |
| 563 | PUSH edi // save edi |
| 564 | // Set up argument XMM registers. |
| 565 | mov 24+16(%esp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 566 | addl LITERAL(1), %esi |
| 567 | mov 8+16(%esp), %edi // EDI := arg_array |
| 568 | // Clobbers ESI, EDI, EAX. |
| 569 | LOOP_OVER_SHORTY_LOADING_XMMS xmm0, esi, edi, al, .Lxmm_setup_finished2 |
| 570 | LOOP_OVER_SHORTY_LOADING_XMMS xmm1, esi, edi, al, .Lxmm_setup_finished2 |
| 571 | LOOP_OVER_SHORTY_LOADING_XMMS xmm2, esi, edi, al, .Lxmm_setup_finished2 |
| 572 | LOOP_OVER_SHORTY_LOADING_XMMS xmm3, esi, edi, al, .Lxmm_setup_finished2 |
| 573 | .balign 16 |
| 574 | .Lxmm_setup_finished2: |
| 575 | mov %esp, %ebp // copy value of stack pointer into base pointer |
| 576 | CFI_DEF_CFA_REGISTER(ebp) |
| 577 | mov 28(%ebp), %ebx // get arg array size |
| 578 | // reserve space for return addr, method*, ebx, ebp, esi, and edi in frame |
| 579 | addl LITERAL(36), %ebx |
| 580 | // align frame size to 16 bytes |
| 581 | andl LITERAL(0xFFFFFFF0), %ebx |
| 582 | subl LITERAL(20), %ebx // remove space for return address, ebx, ebp, esi and edi |
| 583 | subl %ebx, %esp // reserve stack space for argument array |
| 584 | |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 585 | movl LITERAL(0), (%esp) // store null for method* |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 586 | |
| 587 | // Copy arg array into stack. |
| 588 | movl 28(%ebp), %ecx // ECX = size of args |
| 589 | movl 24(%ebp), %esi // ESI = argument array |
| 590 | leal 4(%esp), %edi // EDI = just after Method* in stack arguments |
| 591 | rep movsb // while (ecx--) { *edi++ = *esi++ } |
| 592 | |
| 593 | mov 40(%ebp), %esi // ESI := shorty + 1 ; ie skip return arg character. |
| 594 | addl LITERAL(1), %esi |
| 595 | mov 24(%ebp), %edi // EDI := arg_array |
| 596 | |
| 597 | // Enumerate the possible cases for loading GPRS. |
| 598 | // ecx (and maybe edx) |
| 599 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
| 600 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 601 | je .LfirstLong2 |
| 602 | // Must be an integer value. Load into ECX. |
| 603 | movl (%edi), %ecx |
| 604 | addl LITERAL(4), %edi // arg_array++ |
| 605 | |
| 606 | // Now check edx (and maybe ebx). |
| 607 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
| 608 | cmpb LITERAL(74), %al // if (al == 'J') goto FOUND_LONG |
| 609 | je .LSecondLong2 |
| 610 | // Must be an integer. Load into EDX. |
| 611 | movl (%edi), %edx |
| 612 | addl LITERAL(4), %edi // arg_array++ |
| 613 | |
| 614 | // Is there anything for ebx? |
| 615 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 616 | // Must be first word of a long, or an integer. First word of long doesn't |
| 617 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 618 | movl (%edi), %ebx |
| 619 | jmp .Lgpr_setup_finished2 |
| 620 | .LSecondLong2: |
| 621 | // EDX:EBX is long. That is all. |
| 622 | movl (%edi), %edx |
| 623 | movl 4(%edi), %ebx |
| 624 | jmp .Lgpr_setup_finished2 |
| 625 | .LfirstLong2: |
| 626 | // ECX:EDX is a long |
| 627 | movl (%edi), %ecx |
| 628 | movl 4(%edi), %edx |
| 629 | addl LITERAL(8), %edi // arg_array += 2 |
| 630 | |
| 631 | // Anything for EBX? |
| 632 | SKIP_OVER_FLOATS esi, edi, al, .Lgpr_setup_finished2 |
Mark Mendell | 3e6a3bf | 2015-01-19 14:09:22 -0500 | [diff] [blame] | 633 | // Must be first word of a long, or an integer. First word of long doesn't |
| 634 | // go into EBX, but can be loaded there anyways, as it is harmless. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 635 | movl (%edi), %ebx |
| 636 | jmp .Lgpr_setup_finished2 |
| 637 | // Nothing left to load. |
| 638 | .Lgpr_setup_finished2: |
| 639 | mov 20(%ebp), %eax // move method pointer into eax |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 640 | call *ART_METHOD_QUICK_CODE_OFFSET_32(%eax) // call the method |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 641 | mov %ebp, %esp // restore stack pointer |
| 642 | CFI_DEF_CFA_REGISTER(esp) |
| 643 | POP edi // pop edi |
| 644 | POP esi // pop esi |
| 645 | POP ebx // pop ebx |
| 646 | POP ebp // pop ebp |
| 647 | mov 20(%esp), %ecx // get result pointer |
| 648 | mov %eax, (%ecx) // store the result assuming its a long, int or Object* |
| 649 | mov %edx, 4(%ecx) // store the other half of the result |
| 650 | mov 24(%esp), %edx // get the shorty |
| 651 | cmpb LITERAL(68), (%edx) // test if result type char == 'D' |
| 652 | je .Lreturn_double_quick2 |
| 653 | cmpb LITERAL(70), (%edx) // test if result type char == 'F' |
| 654 | je .Lreturn_float_quick2 |
| 655 | ret |
| 656 | .Lreturn_double_quick2: |
| 657 | movsd %xmm0, (%ecx) // store the floating point result |
| 658 | ret |
| 659 | .Lreturn_float_quick2: |
| 660 | movss %xmm0, (%ecx) // store the floating point result |
| 661 | ret |
| 662 | END_FUNCTION art_quick_invoke_static_stub |
| 663 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 664 | MACRO3(NO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 665 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 666 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 667 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 668 | subl MACRO_LITERAL(12), %esp // push padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 669 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 670 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 671 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 672 | call CALLVAR(cxx_name) // cxx_name(Thread*) |
| 673 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 674 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 675 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 676 | CALL_MACRO(return_macro) // return or deliver exception |
| 677 | END_FUNCTION VAR(c_name) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 678 | END_MACRO |
| 679 | |
| 680 | MACRO3(ONE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 681 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 682 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 683 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 684 | subl MACRO_LITERAL(8), %esp // push padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 685 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 686 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 687 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 688 | PUSH eax // pass arg1 |
| 689 | call CALLVAR(cxx_name) // cxx_name(arg1, Thread*) |
| 690 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 691 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 692 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 693 | CALL_MACRO(return_macro) // return or deliver exception |
| 694 | END_FUNCTION VAR(c_name) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 695 | END_MACRO |
| 696 | |
| 697 | MACRO3(TWO_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 698 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 699 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 700 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 701 | PUSH eax // push padding |
| 702 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 703 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 704 | PUSH ecx // pass arg2 |
| 705 | PUSH eax // pass arg1 |
| 706 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, Thread*) |
| 707 | addl MACRO_LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 708 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 709 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 710 | CALL_MACRO(return_macro) // return or deliver exception |
| 711 | END_FUNCTION VAR(c_name) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 712 | END_MACRO |
| 713 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 714 | MACRO3(THREE_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 715 | DEFINE_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 716 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 717 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 718 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 719 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 720 | PUSH edx // pass arg3 |
| 721 | PUSH ecx // pass arg2 |
| 722 | PUSH eax // pass arg1 |
| 723 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, arg3, Thread*) |
| 724 | addl MACRO_LITERAL(16), %esp // pop arguments |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 725 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 726 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 727 | CALL_MACRO(return_macro) // return or deliver exception |
| 728 | END_FUNCTION VAR(c_name) |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 729 | END_MACRO |
| 730 | |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 731 | MACRO3(FOUR_ARG_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 732 | DEFINE_FUNCTION VAR(c_name) |
Nicolas Geoffray | 0f838aa | 2016-06-08 18:01:22 +0100 | [diff] [blame] | 733 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME_PRESERVE_GOT_REG ebx, ebx // save ref containing registers for GC |
Roland Levillain | f969a20 | 2016-03-09 16:14:00 +0000 | [diff] [blame] | 734 | |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 735 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 736 | subl MACRO_LITERAL(12), %esp // alignment padding |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 737 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 738 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 739 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 740 | PUSH ebx // pass arg4 |
| 741 | PUSH edx // pass arg3 |
| 742 | PUSH ecx // pass arg2 |
| 743 | PUSH eax // pass arg1 |
| 744 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, arg3, arg4, Thread*) |
| 745 | addl MACRO_LITERAL(32), %esp // pop arguments |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 746 | CFI_ADJUST_CFA_OFFSET(-32) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 747 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 748 | CALL_MACRO(return_macro) // return or deliver exception |
| 749 | END_FUNCTION VAR(c_name) |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 750 | END_MACRO |
| 751 | |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 752 | MACRO3(ONE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 753 | DEFINE_FUNCTION VAR(c_name) |
| 754 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 755 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 756 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ecx // get referrer |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 757 | PUSH eax // push padding |
| 758 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 759 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 760 | PUSH ecx // pass referrer |
| 761 | PUSH eax // pass arg1 |
| 762 | call CALLVAR(cxx_name) // cxx_name(arg1, referrer, Thread*) |
| 763 | addl MACRO_LITERAL(16), %esp // pop arguments |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 764 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 765 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 766 | CALL_MACRO(return_macro) // return or deliver exception |
| 767 | END_FUNCTION VAR(c_name) |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 768 | END_MACRO |
| 769 | |
| 770 | MACRO3(TWO_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 771 | DEFINE_FUNCTION VAR(c_name) |
| 772 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 773 | // Outgoing argument set up |
| 774 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %edx // get referrer |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 775 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 776 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 777 | PUSH edx // pass referrer |
| 778 | PUSH ecx // pass arg2 |
| 779 | PUSH eax // pass arg1 |
| 780 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, referrer, Thread*) |
| 781 | addl MACRO_LITERAL(16), %esp // pop arguments |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 782 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 783 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 784 | CALL_MACRO(return_macro) // return or deliver exception |
| 785 | END_FUNCTION VAR(c_name) |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 786 | END_MACRO |
| 787 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 788 | MACRO3(THREE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 789 | DEFINE_FUNCTION VAR(c_name) |
| 790 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 791 | // Outgoing argument set up |
| 792 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ebx // get referrer |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 793 | subl MACRO_LITERAL(12), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 794 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 795 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 796 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 797 | PUSH ebx // pass referrer |
| 798 | PUSH edx // pass arg3 |
| 799 | PUSH ecx // pass arg2 |
| 800 | PUSH eax // pass arg1 |
| 801 | call CALLVAR(cxx_name) // cxx_name(arg1, arg2, arg3, referrer, |
| 802 | // Thread*) |
| 803 | addl LITERAL(32), %esp // pop arguments |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 804 | CFI_ADJUST_CFA_OFFSET(-32) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 805 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 806 | CALL_MACRO(return_macro) // return or deliver exception |
| 807 | END_FUNCTION VAR(c_name) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 808 | END_MACRO |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 809 | |
Hiroshi Yamauchi | 4adeab1 | 2015-10-02 15:27:55 -0700 | [diff] [blame] | 810 | MACRO0(RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 811 | testl %eax, %eax // eax == 0 ? |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 812 | jz 1f // if eax == 0 goto 1 |
| 813 | ret // return |
| 814 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 815 | DELIVER_PENDING_EXCEPTION |
| 816 | END_MACRO |
| 817 | |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 818 | MACRO0(RETURN_IF_EAX_ZERO) |
| 819 | testl %eax, %eax // eax == 0 ? |
| 820 | jnz 1f // if eax != 0 goto 1 |
| 821 | ret // return |
| 822 | 1: // deliver exception on current thread |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 823 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 824 | END_MACRO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 825 | |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 826 | MACRO0(RETURN_OR_DELIVER_PENDING_EXCEPTION) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 827 | cmpl MACRO_LITERAL(0),%fs:THREAD_EXCEPTION_OFFSET // exception field == 0 ? |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 828 | jne 1f // if exception field != 0 goto 1 |
| 829 | ret // return |
| 830 | 1: // deliver exception on current thread |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 831 | DELIVER_PENDING_EXCEPTION |
| 832 | END_MACRO |
| 833 | |
Mathieu Chartier | 7410f29 | 2013-11-24 13:17:35 -0800 | [diff] [blame] | 834 | // Generate the allocation entrypoints for each allocator. |
Hiroshi Yamauchi | 4adeab1 | 2015-10-02 15:27:55 -0700 | [diff] [blame] | 835 | GENERATE_ALLOC_ENTRYPOINTS_FOR_EACH_ALLOCATOR |
lwang85 | de95c87 | 2015-11-10 17:26:31 +0800 | [diff] [blame] | 836 | |
| 837 | // A hand-written override for GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_rosalloc, RosAlloc). |
| 838 | DEFINE_FUNCTION art_quick_alloc_object_rosalloc |
| 839 | // Fast path rosalloc allocation. |
| 840 | // eax: uint32_t type_idx/return value, ecx: ArtMethod* |
| 841 | // ebx, edx: free |
| 842 | PUSH edi |
| 843 | movl ART_METHOD_DEX_CACHE_TYPES_OFFSET_32(%ecx), %edx // Load dex cache resolved types array |
| 844 | // Load the class (edx) |
| 845 | movl 0(%edx, %eax, COMPRESSED_REFERENCE_SIZE), %edx |
| 846 | testl %edx, %edx // Check null class |
| 847 | jz .Lart_quick_alloc_object_rosalloc_slow_path |
| 848 | // Check class status |
| 849 | cmpl LITERAL(MIRROR_CLASS_STATUS_INITIALIZED), MIRROR_CLASS_STATUS_OFFSET(%edx) |
| 850 | jne .Lart_quick_alloc_object_rosalloc_slow_path |
| 851 | // No fake dependence needed on x86 |
| 852 | // between status and flags load, |
| 853 | // since each load is a load-acquire, |
| 854 | // no loads reordering. |
| 855 | // Check access flags has |
| 856 | // kAccClassIsFinalizable |
| 857 | testl LITERAL(ACCESS_FLAGS_CLASS_IS_FINALIZABLE), MIRROR_CLASS_ACCESS_FLAGS_OFFSET(%edx) |
| 858 | jnz .Lart_quick_alloc_object_rosalloc_slow_path |
| 859 | |
| 860 | movl %fs:THREAD_SELF_OFFSET, %ebx // ebx = thread |
| 861 | // Check if the thread local allocation |
| 862 | // stack has room |
| 863 | movl THREAD_LOCAL_ALLOC_STACK_TOP_OFFSET(%ebx), %edi |
| 864 | cmpl THREAD_LOCAL_ALLOC_STACK_END_OFFSET(%ebx), %edi |
| 865 | jae .Lart_quick_alloc_object_rosalloc_slow_path |
| 866 | |
| 867 | movl MIRROR_CLASS_OBJECT_SIZE_OFFSET(%edx), %edi // Load the object size (edi) |
| 868 | // Check if the size is for a thread |
| 869 | // local allocation |
| 870 | cmpl LITERAL(ROSALLOC_MAX_THREAD_LOCAL_BRACKET_SIZE), %edi |
| 871 | ja .Lart_quick_alloc_object_rosalloc_slow_path |
| 872 | decl %edi |
| 873 | shrl LITERAL(ROSALLOC_BRACKET_QUANTUM_SIZE_SHIFT), %edi // Calculate the rosalloc bracket index |
| 874 | // from object size. |
| 875 | // Align up the size by the rosalloc |
| 876 | // bracket quantum size and divide |
| 877 | // by the quantum size and subtract |
| 878 | // by 1. This code is a shorter but |
| 879 | // equivalent version. |
| 880 | // Load thread local rosalloc run (ebx) |
| 881 | movl THREAD_ROSALLOC_RUNS_OFFSET(%ebx, %edi, __SIZEOF_POINTER__), %ebx |
| 882 | // Load free_list head (edi), |
| 883 | // this will be the return value. |
| 884 | movl (ROSALLOC_RUN_FREE_LIST_OFFSET + ROSALLOC_RUN_FREE_LIST_HEAD_OFFSET)(%ebx), %edi |
| 885 | test %edi, %edi |
| 886 | jz .Lart_quick_alloc_object_rosalloc_slow_path |
| 887 | // Point of no slow path. Won't go to |
| 888 | // the slow path from here on. Ok to |
| 889 | // clobber eax and ecx. |
| 890 | movl %edi, %eax |
| 891 | // Load the next pointer of the head |
| 892 | // and update head of free list with |
| 893 | // next pointer |
| 894 | movl ROSALLOC_SLOT_NEXT_OFFSET(%eax), %edi |
| 895 | movl %edi, (ROSALLOC_RUN_FREE_LIST_OFFSET + ROSALLOC_RUN_FREE_LIST_HEAD_OFFSET)(%ebx) |
| 896 | // Decrement size of free list by 1 |
| 897 | decl (ROSALLOC_RUN_FREE_LIST_OFFSET + ROSALLOC_RUN_FREE_LIST_SIZE_OFFSET)(%ebx) |
| 898 | // Store the class pointer in the |
| 899 | // header. This also overwrites the |
| 900 | // next pointer. The offsets are |
| 901 | // asserted to match. |
| 902 | #if ROSALLOC_SLOT_NEXT_OFFSET != MIRROR_OBJECT_CLASS_OFFSET |
| 903 | #error "Class pointer needs to overwrite next pointer." |
| 904 | #endif |
| 905 | POISON_HEAP_REF edx |
| 906 | movl %edx, MIRROR_OBJECT_CLASS_OFFSET(%eax) |
| 907 | movl %fs:THREAD_SELF_OFFSET, %ebx // ebx = thread |
| 908 | // Push the new object onto the thread |
| 909 | // local allocation stack and |
| 910 | // increment the thread local |
| 911 | // allocation stack top. |
| 912 | movl THREAD_LOCAL_ALLOC_STACK_TOP_OFFSET(%ebx), %edi |
| 913 | movl %eax, (%edi) |
| 914 | addl LITERAL(COMPRESSED_REFERENCE_SIZE), %edi |
| 915 | movl %edi, THREAD_LOCAL_ALLOC_STACK_TOP_OFFSET(%ebx) |
| 916 | // No fence needed for x86. |
| 917 | POP edi |
| 918 | ret |
| 919 | .Lart_quick_alloc_object_rosalloc_slow_path: |
| 920 | POP edi |
| 921 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 922 | // Outgoing argument set up |
| 923 | PUSH eax // alignment padding |
| 924 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 925 | CFI_ADJUST_CFA_OFFSET(4) |
| 926 | PUSH ecx |
| 927 | PUSH eax |
| 928 | call SYMBOL(artAllocObjectFromCodeRosAlloc) // cxx_name(arg0, arg1, Thread*) |
| 929 | addl LITERAL(16), %esp // pop arguments |
| 930 | CFI_ADJUST_CFA_OFFSET(-16) |
| 931 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // resotre frame up to return address |
| 932 | RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER // return or deliver exception |
| 933 | END_FUNCTION art_quick_alloc_object_rosalloc |
| 934 | |
Sang, Chunlei | 69cee6a | 2016-04-21 10:22:02 +0800 | [diff] [blame] | 935 | // The common fast path code for art_quick_alloc_object_tlab and art_quick_alloc_object_region_tlab. |
| 936 | // |
| 937 | // EAX: type_idx/return_value, ECX: ArtMethod*, EDX: the class. |
| 938 | MACRO1(ALLOC_OBJECT_TLAB_FAST_PATH, slowPathLabel) |
| 939 | testl %edx, %edx // Check null class |
| 940 | jz VAR(slowPathLabel) |
| 941 | // Check class status. |
| 942 | cmpl LITERAL(MIRROR_CLASS_STATUS_INITIALIZED), MIRROR_CLASS_STATUS_OFFSET(%edx) |
| 943 | jne VAR(slowPathLabel) |
| 944 | // No fake dependence needed on x86 |
| 945 | // between status and flags load, |
| 946 | // since each load is a load-acquire, |
| 947 | // no loads reordering. |
| 948 | // Check access flags has |
| 949 | // kAccClassIsFinalizable |
| 950 | testl LITERAL(ACCESS_FLAGS_CLASS_IS_FINALIZABLE), MIRROR_CLASS_ACCESS_FLAGS_OFFSET(%edx) |
| 951 | jnz VAR(slowPathLabel) |
| 952 | movl %fs:THREAD_SELF_OFFSET, %ebx // ebx = thread |
| 953 | movl THREAD_LOCAL_END_OFFSET(%ebx), %edi // Load thread_local_end. |
| 954 | subl THREAD_LOCAL_POS_OFFSET(%ebx), %edi // Compute the remaining buffer size. |
| 955 | movl MIRROR_CLASS_OBJECT_SIZE_OFFSET(%edx), %esi // Load the object size. |
| 956 | cmpl %edi, %esi // Check if it fits. OK to do this |
| 957 | // before rounding up the object size |
| 958 | // assuming the buf size alignment. |
| 959 | ja VAR(slowPathLabel) |
| 960 | addl LITERAL(OBJECT_ALIGNMENT_MASK), %esi // Align the size by 8. (addr + 7) & ~7. |
| 961 | andl LITERAL(OBJECT_ALIGNMENT_MASK_TOGGLED), %esi |
| 962 | movl THREAD_LOCAL_POS_OFFSET(%ebx), %eax // Load thread_local_pos |
| 963 | // as allocated object. |
| 964 | addl %eax, %esi // Add the object size. |
| 965 | movl %esi, THREAD_LOCAL_POS_OFFSET(%ebx) // Update thread_local_pos. |
| 966 | addl LITERAL(1), THREAD_LOCAL_OBJECTS_OFFSET(%ebx) // Increase thread_local_objects. |
| 967 | // Store the class pointer in the header. |
| 968 | // No fence needed for x86. |
| 969 | POISON_HEAP_REF edx |
| 970 | movl %edx, MIRROR_OBJECT_CLASS_OFFSET(%eax) |
| 971 | POP edi |
| 972 | POP esi |
| 973 | ret // Fast path succeeded. |
| 974 | END_MACRO |
| 975 | |
| 976 | // The common slow path code for art_quick_alloc_object_tlab and art_quick_alloc_object_region_tlab. |
| 977 | MACRO1(ALLOC_OBJECT_TLAB_SLOW_PATH, cxx_name) |
| 978 | POP edi |
| 979 | POP esi |
| 980 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 981 | // Outgoing argument set up |
| 982 | PUSH eax // alignment padding |
| 983 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 984 | CFI_ADJUST_CFA_OFFSET(4) |
| 985 | PUSH ecx |
| 986 | PUSH eax |
| 987 | call CALLVAR(cxx_name) // cxx_name(arg0, arg1, Thread*) |
| 988 | addl LITERAL(16), %esp |
| 989 | CFI_ADJUST_CFA_OFFSET(-16) |
| 990 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 991 | RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER // return or deliver exception |
| 992 | END_MACRO |
| 993 | |
| 994 | // A hand-written override for GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_tlab, TLAB). |
| 995 | DEFINE_FUNCTION art_quick_alloc_object_tlab |
| 996 | // Fast path tlab allocation. |
| 997 | // EAX: uint32_t type_idx/return value, ECX: ArtMethod*. |
| 998 | // EBX, EDX: free. |
| 999 | #if defined(USE_READ_BARRIER) |
| 1000 | int3 |
| 1001 | int3 |
| 1002 | #endif |
| 1003 | PUSH esi |
| 1004 | PUSH edi |
| 1005 | movl ART_METHOD_DEX_CACHE_TYPES_OFFSET_32(%ecx), %edx // Load dex cache resolved types array |
| 1006 | // Might need to break down into multiple instructions to get the base address in a register. |
| 1007 | // Load the class |
| 1008 | movl 0(%edx, %eax, COMPRESSED_REFERENCE_SIZE), %edx |
| 1009 | ALLOC_OBJECT_TLAB_FAST_PATH .Lart_quick_alloc_object_tlab_slow_path |
| 1010 | .Lart_quick_alloc_object_tlab_slow_path: |
| 1011 | ALLOC_OBJECT_TLAB_SLOW_PATH artAllocObjectFromCodeTLAB |
| 1012 | END_FUNCTION art_quick_alloc_object_tlab |
| 1013 | |
| 1014 | // A hand-written override for GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT(_region_tlab, RegionTLAB). |
| 1015 | DEFINE_FUNCTION art_quick_alloc_object_region_tlab |
| 1016 | // Fast path region tlab allocation. |
| 1017 | // EAX: uint32_t type_idx/return value, ECX: ArtMethod*. |
| 1018 | // EBX, EDX: free. |
| 1019 | #if !defined(USE_READ_BARRIER) |
| 1020 | int3 |
| 1021 | int3 |
| 1022 | #endif |
| 1023 | PUSH esi |
| 1024 | PUSH edi |
| 1025 | movl ART_METHOD_DEX_CACHE_TYPES_OFFSET_32(%ecx), %edx // Load dex cache resolved types array |
| 1026 | // Might need to break down into multiple instructions to get the base address in a register. |
| 1027 | // Load the class |
| 1028 | movl 0(%edx, %eax, COMPRESSED_REFERENCE_SIZE), %edx |
| 1029 | // Read barrier for class load. |
| 1030 | cmpl LITERAL(0), %fs:THREAD_IS_GC_MARKING_OFFSET |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1031 | jz .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path_exit |
| 1032 | // Null check so that we can load the lock word. |
| 1033 | testl %edx, %edx |
| 1034 | jz .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path_exit |
| 1035 | // Check the mark bit, if it is 1 return. |
| 1036 | testl LITERAL(LOCK_WORD_MARK_BIT_MASK_SHIFTED), MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) |
| 1037 | jz .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path |
Sang, Chunlei | 69cee6a | 2016-04-21 10:22:02 +0800 | [diff] [blame] | 1038 | .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path_exit: |
| 1039 | ALLOC_OBJECT_TLAB_FAST_PATH .Lart_quick_alloc_object_region_tlab_slow_path |
| 1040 | .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path: |
| 1041 | // The read barrier slow path. Mark the class. |
| 1042 | PUSH eax |
| 1043 | PUSH ecx |
| 1044 | // Outgoing argument set up |
| 1045 | subl MACRO_LITERAL(8), %esp // Alignment padding |
| 1046 | CFI_ADJUST_CFA_OFFSET(8) |
| 1047 | PUSH edx // Pass the class as the first param. |
| 1048 | call SYMBOL(artReadBarrierMark) // cxx_name(mirror::Object* obj) |
| 1049 | movl %eax, %edx |
| 1050 | addl MACRO_LITERAL(12), %esp |
| 1051 | CFI_ADJUST_CFA_OFFSET(-12) |
| 1052 | POP ecx |
| 1053 | POP eax |
| 1054 | jmp .Lart_quick_alloc_object_region_tlab_class_load_read_barrier_slow_path_exit |
| 1055 | .Lart_quick_alloc_object_region_tlab_slow_path: |
| 1056 | ALLOC_OBJECT_TLAB_SLOW_PATH artAllocObjectFromCodeRegionTLAB |
| 1057 | END_FUNCTION art_quick_alloc_object_region_tlab |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1058 | |
Hiroshi Yamauchi | 4adeab1 | 2015-10-02 15:27:55 -0700 | [diff] [blame] | 1059 | ONE_ARG_DOWNCALL art_quick_resolve_string, artResolveStringFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER |
| 1060 | ONE_ARG_DOWNCALL art_quick_initialize_static_storage, artInitializeStaticStorageFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER |
| 1061 | ONE_ARG_DOWNCALL art_quick_initialize_type, artInitializeTypeFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER |
| 1062 | ONE_ARG_DOWNCALL art_quick_initialize_type_and_verify_access, artInitializeTypeAndVerifyAccessFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER |
Ian Rogers | d36c52e | 2012-04-09 16:29:25 -0700 | [diff] [blame] | 1063 | |
Ian Rogers | 832336b | 2014-10-08 15:35:22 -0700 | [diff] [blame] | 1064 | TWO_ARG_REF_DOWNCALL art_quick_handle_fill_data, artHandleFillArrayDataFromCode, RETURN_IF_EAX_ZERO |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1065 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1066 | DEFINE_FUNCTION art_quick_lock_object |
| 1067 | testl %eax, %eax // null check object/eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1068 | jz .Lslow_lock |
| 1069 | .Lretry_lock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1070 | movl MIRROR_OBJECT_LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1071 | test LITERAL(LOCK_WORD_STATE_MASK), %ecx // test the 2 high bits. |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1072 | jne .Lslow_lock // slow path if either of the two high bits are set. |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1073 | movl %ecx, %edx // save lock word (edx) to keep read barrier bits. |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1074 | andl LITERAL(LOCK_WORD_GC_STATE_MASK_SHIFTED_TOGGLED), %ecx // zero the gc bits. |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1075 | test %ecx, %ecx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1076 | jnz .Lalready_thin // lock word contains a thin lock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1077 | // unlocked case - edx: original lock word, eax: obj. |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1078 | movl %eax, %ecx // remember object in case of retry |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1079 | movl %edx, %eax // eax: lock word zero except for read barrier bits. |
| 1080 | movl %fs:THREAD_ID_OFFSET, %edx // load thread id. |
| 1081 | or %eax, %edx // edx: thread id with count of 0 + read barrier bits. |
| 1082 | lock cmpxchg %edx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%ecx) // eax: old val, edx: new val. |
| 1083 | jnz .Llock_cmpxchg_fail // cmpxchg failed retry |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1084 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1085 | .Lalready_thin: // edx: lock word (with high 2 bits zero and original rb bits), eax: obj. |
| 1086 | movl %fs:THREAD_ID_OFFSET, %ecx // ecx := thread id |
Serguei Katkov | 8ef84af | 2014-04-03 15:17:26 +0700 | [diff] [blame] | 1087 | cmpw %cx, %dx // do we hold the lock already? |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1088 | jne .Lslow_lock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1089 | movl %edx, %ecx // copy the lock word to check count overflow. |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1090 | andl LITERAL(LOCK_WORD_GC_STATE_MASK_SHIFTED_TOGGLED), %ecx // zero the read barrier bits. |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1091 | addl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %ecx // increment recursion count for overflow check. |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1092 | test LITERAL(LOCK_WORD_GC_STATE_MASK_SHIFTED), %ecx // overflowed if the first gc state bit is set. |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1093 | jne .Lslow_lock // count overflowed so go slow |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1094 | movl %eax, %ecx // save obj to use eax for cmpxchg. |
| 1095 | movl %edx, %eax // copy the lock word as the old val for cmpxchg. |
| 1096 | addl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %edx // increment recursion count again for real. |
| 1097 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1098 | lock cmpxchg %edx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%ecx) // eax: old val, edx: new val. |
| 1099 | jnz .Llock_cmpxchg_fail // cmpxchg failed retry |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1100 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1101 | .Llock_cmpxchg_fail: |
| 1102 | movl %ecx, %eax // restore eax |
| 1103 | jmp .Lretry_lock |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1104 | .Lslow_lock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1105 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1106 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1107 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1108 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1109 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1110 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1111 | PUSH eax // pass object |
| 1112 | call SYMBOL(artLockObjectFromCode) // artLockObjectFromCode(object, Thread*) |
| 1113 | addl LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1114 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1115 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1116 | RETURN_IF_EAX_ZERO |
| 1117 | END_FUNCTION art_quick_lock_object |
| 1118 | |
Andreas Gampe | c7ed09b | 2016-04-25 20:08:55 -0700 | [diff] [blame] | 1119 | DEFINE_FUNCTION art_quick_lock_object_no_inline |
| 1120 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 1121 | // Outgoing argument set up |
| 1122 | subl LITERAL(8), %esp // alignment padding |
| 1123 | CFI_ADJUST_CFA_OFFSET(8) |
| 1124 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 1125 | CFI_ADJUST_CFA_OFFSET(4) |
| 1126 | PUSH eax // pass object |
| 1127 | call SYMBOL(artLockObjectFromCode) // artLockObjectFromCode(object, Thread*) |
| 1128 | addl LITERAL(16), %esp // pop arguments |
| 1129 | CFI_ADJUST_CFA_OFFSET(-16) |
| 1130 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 1131 | RETURN_IF_EAX_ZERO |
| 1132 | END_FUNCTION art_quick_lock_object_no_inline |
| 1133 | |
| 1134 | |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1135 | DEFINE_FUNCTION art_quick_unlock_object |
| 1136 | testl %eax, %eax // null check object/eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1137 | jz .Lslow_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1138 | .Lretry_unlock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1139 | movl MIRROR_OBJECT_LOCK_WORD_OFFSET(%eax), %ecx // ecx := lock word |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1140 | movl %fs:THREAD_ID_OFFSET, %edx // edx := thread id |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1141 | test LITERAL(LOCK_WORD_STATE_MASK), %ecx |
Serguei Katkov | e78d4e1 | 2014-04-07 10:14:08 +0700 | [diff] [blame] | 1142 | jnz .Lslow_unlock // lock word contains a monitor |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1143 | cmpw %cx, %dx // does the thread id match? |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1144 | jne .Lslow_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1145 | movl %ecx, %edx // copy the lock word to detect new count of 0. |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1146 | andl LITERAL(LOCK_WORD_GC_STATE_MASK_SHIFTED_TOGGLED), %edx // zero the gc bits. |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1147 | cmpl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %edx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1148 | jae .Lrecursive_thin_unlock |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1149 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1150 | movl %eax, %edx // edx: obj |
| 1151 | movl %ecx, %eax // eax: old lock word. |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1152 | andl LITERAL(LOCK_WORD_GC_STATE_MASK_SHIFTED), %ecx // ecx: new lock word zero except original rb bits. |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1153 | #ifndef USE_READ_BARRIER |
| 1154 | movl %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) |
| 1155 | #else |
| 1156 | lock cmpxchg %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) // eax: old val, ecx: new val. |
| 1157 | jnz .Lunlock_cmpxchg_fail // cmpxchg failed retry |
| 1158 | #endif |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1159 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1160 | .Lrecursive_thin_unlock: // ecx: original lock word, eax: obj |
| 1161 | // update lockword, cmpxchg necessary for read barrier bits. |
| 1162 | movl %eax, %edx // edx: obj |
| 1163 | movl %ecx, %eax // eax: old lock word. |
| 1164 | subl LITERAL(LOCK_WORD_THIN_LOCK_COUNT_ONE), %ecx // ecx: new lock word with decremented count. |
| 1165 | #ifndef USE_READ_BARRIER |
| 1166 | mov %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) |
| 1167 | #else |
| 1168 | lock cmpxchg %ecx, MIRROR_OBJECT_LOCK_WORD_OFFSET(%edx) // eax: old val, ecx: new val. |
| 1169 | jnz .Lunlock_cmpxchg_fail // cmpxchg failed retry |
| 1170 | #endif |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1171 | ret |
Hiroshi Yamauchi | e15ea08 | 2015-02-09 17:11:42 -0800 | [diff] [blame] | 1172 | .Lunlock_cmpxchg_fail: // edx: obj |
| 1173 | movl %edx, %eax // restore eax |
| 1174 | jmp .Lretry_unlock |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1175 | .Lslow_unlock: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1176 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1177 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1178 | subl LITERAL(8), %esp // alignment padding |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1179 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1180 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1181 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1182 | PUSH eax // pass object |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1183 | call SYMBOL(artUnlockObjectFromCode) // artUnlockObjectFromCode(object, Thread*) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1184 | addl LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1185 | CFI_ADJUST_CFA_OFFSET(-16) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1186 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 1187 | RETURN_IF_EAX_ZERO |
| 1188 | END_FUNCTION art_quick_unlock_object |
| 1189 | |
Andreas Gampe | c7ed09b | 2016-04-25 20:08:55 -0700 | [diff] [blame] | 1190 | DEFINE_FUNCTION art_quick_unlock_object_no_inline |
| 1191 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
| 1192 | // Outgoing argument set up |
| 1193 | subl LITERAL(8), %esp // alignment padding |
| 1194 | CFI_ADJUST_CFA_OFFSET(8) |
| 1195 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
| 1196 | CFI_ADJUST_CFA_OFFSET(4) |
| 1197 | PUSH eax // pass object |
| 1198 | call SYMBOL(artUnlockObjectFromCode) // artUnlockObjectFromCode(object, Thread*) |
| 1199 | addl LITERAL(16), %esp // pop arguments |
| 1200 | CFI_ADJUST_CFA_OFFSET(-16) |
| 1201 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
| 1202 | RETURN_IF_EAX_ZERO |
| 1203 | END_FUNCTION art_quick_unlock_object_no_inline |
| 1204 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1205 | DEFINE_FUNCTION art_quick_is_assignable |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1206 | PUSH eax // alignment padding |
| 1207 | PUSH ecx // pass arg2 - obj->klass |
| 1208 | PUSH eax // pass arg1 - checked class |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1209 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1210 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1211 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1212 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1213 | END_FUNCTION art_quick_is_assignable |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1214 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1215 | DEFINE_FUNCTION art_quick_check_cast |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1216 | PUSH eax // alignment padding |
| 1217 | PUSH ecx // pass arg2 - obj->klass |
| 1218 | PUSH eax // pass arg1 - checked class |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1219 | call SYMBOL(artIsAssignableFromCode) // (Class* klass, Class* ref_klass) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1220 | testl %eax, %eax |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1221 | jz 1f // jump forward if not assignable |
| 1222 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1223 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1224 | ret |
Andreas Gampe | 6b90d42 | 2015-06-26 19:49:24 -0700 | [diff] [blame] | 1225 | |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1226 | CFI_ADJUST_CFA_OFFSET(12) // Reset unwind info so following code unwinds. |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1227 | 1: |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1228 | POP eax // pop arguments |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1229 | POP ecx |
| 1230 | addl LITERAL(4), %esp |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1231 | CFI_ADJUST_CFA_OFFSET(-4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1232 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1233 | // Outgoing argument set up |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1234 | PUSH eax // alignment padding |
| 1235 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1236 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1237 | PUSH ecx // pass arg2 |
| 1238 | PUSH eax // pass arg1 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1239 | call SYMBOL(artThrowClassCastException) // (Class* a, Class* b, Thread*) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1240 | UNREACHABLE |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1241 | END_FUNCTION art_quick_check_cast |
| 1242 | |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 1243 | // Restore reg's value if reg is not the same as exclude_reg, otherwise just adjust stack. |
| 1244 | MACRO2(POP_REG_NE, reg, exclude_reg) |
| 1245 | .ifc RAW_VAR(reg), RAW_VAR(exclude_reg) |
| 1246 | addl MACRO_LITERAL(4), %esp |
| 1247 | CFI_ADJUST_CFA_OFFSET(-4) |
| 1248 | .else |
| 1249 | POP RAW_VAR(reg) |
| 1250 | .endif |
| 1251 | END_MACRO |
| 1252 | |
| 1253 | /* |
| 1254 | * Macro to insert read barrier, only used in art_quick_aput_obj. |
| 1255 | * obj_reg and dest_reg are registers, offset is a defined literal such as |
| 1256 | * MIRROR_OBJECT_CLASS_OFFSET. |
| 1257 | * pop_eax is a boolean flag, indicating if eax is popped after the call. |
| 1258 | * TODO: When read barrier has a fast path, add heap unpoisoning support for the fast path. |
| 1259 | */ |
| 1260 | MACRO4(READ_BARRIER, obj_reg, offset, dest_reg, pop_eax) |
| 1261 | #ifdef USE_READ_BARRIER |
| 1262 | PUSH eax // save registers used in art_quick_aput_obj |
| 1263 | PUSH ebx |
| 1264 | PUSH edx |
| 1265 | PUSH ecx |
| 1266 | // Outgoing argument set up |
| 1267 | pushl MACRO_LITERAL((RAW_VAR(offset))) // pass offset, double parentheses are necessary |
| 1268 | CFI_ADJUST_CFA_OFFSET(4) |
| 1269 | PUSH RAW_VAR(obj_reg) // pass obj_reg |
| 1270 | PUSH eax // pass ref, just pass eax for now since parameter ref is unused |
| 1271 | call SYMBOL(artReadBarrierSlow) // artReadBarrierSlow(ref, obj_reg, offset) |
| 1272 | // No need to unpoison return value in eax, artReadBarrierSlow() would do the unpoisoning. |
| 1273 | .ifnc RAW_VAR(dest_reg), eax |
| 1274 | movl %eax, REG_VAR(dest_reg) // save loaded ref in dest_reg |
| 1275 | .endif |
| 1276 | addl MACRO_LITERAL(12), %esp // pop arguments |
| 1277 | CFI_ADJUST_CFA_OFFSET(-12) |
| 1278 | POP_REG_NE ecx, RAW_VAR(dest_reg) // Restore args except dest_reg |
| 1279 | POP_REG_NE edx, RAW_VAR(dest_reg) |
| 1280 | POP_REG_NE ebx, RAW_VAR(dest_reg) |
| 1281 | .ifc RAW_VAR(pop_eax), true |
| 1282 | POP_REG_NE eax, RAW_VAR(dest_reg) |
| 1283 | .endif |
| 1284 | #else |
| 1285 | movl RAW_VAR(offset)(REG_VAR(obj_reg)), REG_VAR(dest_reg) |
| 1286 | UNPOISON_HEAP_REF RAW_VAR(dest_reg) |
| 1287 | #endif // USE_READ_BARRIER |
| 1288 | END_MACRO |
| 1289 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1290 | /* |
| 1291 | * Entry from managed code for array put operations of objects where the value being stored |
| 1292 | * needs to be checked for compatibility. |
| 1293 | * eax = array, ecx = index, edx = value |
| 1294 | */ |
| 1295 | DEFINE_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 1296 | testl %eax, %eax |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1297 | jnz SYMBOL(art_quick_aput_obj_with_bound_check) |
| 1298 | jmp SYMBOL(art_quick_throw_null_pointer_exception) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1299 | END_FUNCTION art_quick_aput_obj_with_null_and_bound_check |
| 1300 | |
| 1301 | DEFINE_FUNCTION art_quick_aput_obj_with_bound_check |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1302 | movl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ebx |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1303 | cmpl %ebx, %ecx |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1304 | jb SYMBOL(art_quick_aput_obj) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1305 | mov %ecx, %eax |
| 1306 | mov %ebx, %ecx |
Dan Albert | 3bed41c | 2014-08-07 17:39:34 -0700 | [diff] [blame] | 1307 | jmp SYMBOL(art_quick_throw_array_bounds) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1308 | END_FUNCTION art_quick_aput_obj_with_bound_check |
| 1309 | |
| 1310 | DEFINE_FUNCTION art_quick_aput_obj |
| 1311 | test %edx, %edx // store of null |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1312 | jz .Ldo_aput_null |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 1313 | READ_BARRIER eax, MIRROR_OBJECT_CLASS_OFFSET, ebx, true |
| 1314 | READ_BARRIER ebx, MIRROR_CLASS_COMPONENT_TYPE_OFFSET, ebx, true |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1315 | // value's type == array's component type - trivial assignability |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 1316 | #if defined(USE_READ_BARRIER) |
| 1317 | READ_BARRIER edx, MIRROR_OBJECT_CLASS_OFFSET, eax, false |
| 1318 | cmpl %eax, %ebx |
| 1319 | POP eax // restore eax from the push in the beginning of READ_BARRIER macro |
Man Cao | 6306921 | 2015-08-21 15:51:39 -0700 | [diff] [blame] | 1320 | // This asymmetric push/pop saves a push of eax and maintains stack alignment. |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 1321 | #elif defined(USE_HEAP_POISONING) |
| 1322 | PUSH eax // save eax |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1323 | movl MIRROR_OBJECT_CLASS_OFFSET(%edx), %eax |
| 1324 | UNPOISON_HEAP_REF eax |
| 1325 | cmpl %eax, %ebx |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 1326 | POP eax // restore eax |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1327 | #else |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1328 | cmpl MIRROR_OBJECT_CLASS_OFFSET(%edx), %ebx |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1329 | #endif |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1330 | jne .Lcheck_assignability |
| 1331 | .Ldo_aput: |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1332 | POISON_HEAP_REF edx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1333 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1334 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 1335 | shrl LITERAL(7), %eax |
| 1336 | movb %dl, (%edx, %eax) |
| 1337 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1338 | .Ldo_aput_null: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1339 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1340 | ret |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1341 | .Lcheck_assignability: |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1342 | PUSH eax // save arguments |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1343 | PUSH ecx |
| 1344 | PUSH edx |
Man Cao | 6306921 | 2015-08-21 15:51:39 -0700 | [diff] [blame] | 1345 | #if defined(USE_READ_BARRIER) |
| 1346 | subl LITERAL(4), %esp // alignment padding |
| 1347 | CFI_ADJUST_CFA_OFFSET(4) |
| 1348 | READ_BARRIER edx, MIRROR_OBJECT_CLASS_OFFSET, eax, true |
| 1349 | subl LITERAL(4), %esp // alignment padding |
| 1350 | CFI_ADJUST_CFA_OFFSET(4) |
| 1351 | PUSH eax // pass arg2 - type of the value to be stored |
| 1352 | #elif defined(USE_HEAP_POISONING) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1353 | subl LITERAL(8), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1354 | CFI_ADJUST_CFA_OFFSET(8) |
Man Cao | 6306921 | 2015-08-21 15:51:39 -0700 | [diff] [blame] | 1355 | movl MIRROR_OBJECT_CLASS_OFFSET(%edx), %eax |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1356 | UNPOISON_HEAP_REF eax |
Man Cao | 6306921 | 2015-08-21 15:51:39 -0700 | [diff] [blame] | 1357 | PUSH eax // pass arg2 - type of the value to be stored |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1358 | #else |
Man Cao | 6306921 | 2015-08-21 15:51:39 -0700 | [diff] [blame] | 1359 | subl LITERAL(8), %esp // alignment padding |
| 1360 | CFI_ADJUST_CFA_OFFSET(8) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1361 | pushl MIRROR_OBJECT_CLASS_OFFSET(%edx) // pass arg2 - type of the value to be stored |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1362 | CFI_ADJUST_CFA_OFFSET(4) |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1363 | #endif |
Mathieu Chartier | 2738639 | 2015-06-27 15:42:27 -0700 | [diff] [blame] | 1364 | PUSH ebx // pass arg1 - component type of the array |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1365 | call SYMBOL(artIsAssignableFromCode) // (Class* a, Class* b) |
Mathieu Chartier | 2738639 | 2015-06-27 15:42:27 -0700 | [diff] [blame] | 1366 | addl LITERAL(16), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1367 | CFI_ADJUST_CFA_OFFSET(-16) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1368 | testl %eax, %eax |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1369 | jz .Lthrow_array_store_exception |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1370 | POP edx |
| 1371 | POP ecx |
| 1372 | POP eax |
Hiroshi Yamauchi | bfa5eb6 | 2015-05-29 15:04:41 -0700 | [diff] [blame] | 1373 | POISON_HEAP_REF edx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1374 | movl %edx, MIRROR_OBJECT_ARRAY_DATA_OFFSET(%eax, %ecx, 4) // do the aput |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1375 | movl %fs:THREAD_CARD_TABLE_OFFSET, %edx |
| 1376 | shrl LITERAL(7), %eax |
| 1377 | movb %dl, (%edx, %eax) |
| 1378 | ret |
Mathieu Chartier | 2738639 | 2015-06-27 15:42:27 -0700 | [diff] [blame] | 1379 | CFI_ADJUST_CFA_OFFSET(12) // 3 POP after the jz for unwinding. |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1380 | .Lthrow_array_store_exception: |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1381 | POP edx |
| 1382 | POP ecx |
| 1383 | POP eax |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1384 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx // save all registers as basis for long jump context |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1385 | // Outgoing argument set up |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1386 | PUSH eax // alignment padding |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1387 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1388 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1389 | PUSH edx // pass arg2 - value |
| 1390 | PUSH eax // pass arg1 - array |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1391 | call SYMBOL(artThrowArrayStoreException) // (array, value, Thread*) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1392 | UNREACHABLE |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1393 | END_FUNCTION art_quick_aput_obj |
| 1394 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1395 | DEFINE_FUNCTION art_quick_memcpy |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1396 | SETUP_GOT_NOSAVE ebx // clobbers EBX |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1397 | PUSH edx // pass arg3 |
| 1398 | PUSH ecx // pass arg2 |
| 1399 | PUSH eax // pass arg1 |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1400 | call PLT_SYMBOL(memcpy) // (void*, const void*, size_t) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1401 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1402 | CFI_ADJUST_CFA_OFFSET(-12) |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1403 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1404 | END_FUNCTION art_quick_memcpy |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1405 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1406 | NO_ARG_DOWNCALL art_quick_test_suspend, artTestSuspendFromCode, ret |
Ian Rogers | 7caad77 | 2012-03-30 01:07:54 -0700 | [diff] [blame] | 1407 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1408 | DEFINE_FUNCTION art_quick_d2l |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1409 | subl LITERAL(12), %esp // alignment padding, room for argument |
| 1410 | CFI_ADJUST_CFA_OFFSET(12) |
| 1411 | movsd %xmm0, 0(%esp) // arg a |
| 1412 | call SYMBOL(art_d2l) // (jdouble a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1413 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1414 | CFI_ADJUST_CFA_OFFSET(-12) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1415 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1416 | END_FUNCTION art_quick_d2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1417 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1418 | DEFINE_FUNCTION art_quick_f2l |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1419 | subl LITERAL(12), %esp // alignment padding |
| 1420 | CFI_ADJUST_CFA_OFFSET(12) |
| 1421 | movss %xmm0, 0(%esp) // arg a |
| 1422 | call SYMBOL(art_f2l) // (jfloat a) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1423 | addl LITERAL(12), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1424 | CFI_ADJUST_CFA_OFFSET(-12) |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1425 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1426 | END_FUNCTION art_quick_f2l |
jeffhao | 41005dd | 2012-05-09 17:58:52 -0700 | [diff] [blame] | 1427 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1428 | DEFINE_FUNCTION art_quick_ldiv |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1429 | subl LITERAL(12), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1430 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1431 | PUSH ebx // pass arg4 b.hi |
| 1432 | PUSH edx // pass arg3 b.lo |
| 1433 | PUSH ecx // pass arg2 a.hi |
| 1434 | PUSH eax // pass arg1 a.lo |
| 1435 | call SYMBOL(artLdiv) // (jlong a, jlong b) |
| 1436 | addl LITERAL(28), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1437 | CFI_ADJUST_CFA_OFFSET(-28) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1438 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1439 | END_FUNCTION art_quick_ldiv |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1440 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1441 | DEFINE_FUNCTION art_quick_lmod |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1442 | subl LITERAL(12), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1443 | CFI_ADJUST_CFA_OFFSET(12) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1444 | PUSH ebx // pass arg4 b.hi |
| 1445 | PUSH edx // pass arg3 b.lo |
| 1446 | PUSH ecx // pass arg2 a.hi |
| 1447 | PUSH eax // pass arg1 a.lo |
| 1448 | call SYMBOL(artLmod) // (jlong a, jlong b) |
| 1449 | addl LITERAL(28), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1450 | CFI_ADJUST_CFA_OFFSET(-28) |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1451 | ret |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 1452 | END_FUNCTION art_quick_lmod |
Ian Rogers | 55bd45f | 2012-04-04 17:31:20 -0700 | [diff] [blame] | 1453 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1454 | DEFINE_FUNCTION art_quick_lmul |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1455 | imul %eax, %ebx // ebx = a.lo(eax) * b.hi(ebx) |
| 1456 | imul %edx, %ecx // ecx = b.lo(edx) * a.hi(ecx) |
| 1457 | mul %edx // edx:eax = a.lo(eax) * b.lo(edx) |
Ian Rogers | 5793fea | 2013-02-14 13:33:34 -0800 | [diff] [blame] | 1458 | add %ebx, %ecx |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1459 | add %ecx, %edx // edx += (a.lo * b.hi) + (b.lo * a.hi) |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1460 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1461 | END_FUNCTION art_quick_lmul |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1462 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1463 | DEFINE_FUNCTION art_quick_lshl |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1464 | // ecx:eax << edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1465 | xchg %edx, %ecx |
| 1466 | shld %cl,%eax,%edx |
| 1467 | shl %cl,%eax |
| 1468 | test LITERAL(32), %cl |
| 1469 | jz 1f |
| 1470 | mov %eax, %edx |
| 1471 | xor %eax, %eax |
| 1472 | 1: |
| 1473 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1474 | END_FUNCTION art_quick_lshl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1475 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1476 | DEFINE_FUNCTION art_quick_lshr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1477 | // ecx:eax >> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1478 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1479 | shrd %cl,%edx,%eax |
| 1480 | sar %cl,%edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1481 | test LITERAL(32),%cl |
| 1482 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 1483 | mov %edx, %eax |
| 1484 | sar LITERAL(31), %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1485 | 1: |
| 1486 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1487 | END_FUNCTION art_quick_lshr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1488 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1489 | DEFINE_FUNCTION art_quick_lushr |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1490 | // ecx:eax >>> edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1491 | xchg %edx, %ecx |
jeffhao | 644d531 | 2012-05-03 19:04:49 -0700 | [diff] [blame] | 1492 | shrd %cl,%edx,%eax |
| 1493 | shr %cl,%edx |
| 1494 | test LITERAL(32),%cl |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1495 | jz 1f |
jeffhao | 5121e0b | 2012-05-08 18:23:38 -0700 | [diff] [blame] | 1496 | mov %edx, %eax |
| 1497 | xor %edx, %edx |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1498 | 1: |
| 1499 | ret |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1500 | END_FUNCTION art_quick_lushr |
Ian Rogers | 141d622 | 2012-04-05 12:23:06 -0700 | [diff] [blame] | 1501 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1502 | ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1503 | ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1504 | ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1505 | ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1506 | ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1507 | ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1508 | ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1509 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1510 | TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1511 | TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1512 | TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1513 | TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1514 | TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1515 | TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
| 1516 | TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 1517 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1518 | TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_EAX_ZERO |
| 1519 | TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_EAX_ZERO |
| 1520 | TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_EAX_ZERO |
| 1521 | TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_EAX_ZERO |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1522 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1523 | THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1524 | THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1525 | THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_EAX_ZERO |
| 1526 | THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_EAX_ZERO |
| 1527 | |
| 1528 | // Call artSet64InstanceFromCode with 4 word size arguments and the referrer. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1529 | DEFINE_FUNCTION art_quick_set64_instance |
Serguei Katkov | e0b46a7 | 2014-11-05 16:13:18 +0600 | [diff] [blame] | 1530 | movd %ebx, %xmm0 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1531 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Serguei Katkov | e0b46a7 | 2014-11-05 16:13:18 +0600 | [diff] [blame] | 1532 | movd %xmm0, %ebx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1533 | // Outgoing argument set up |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1534 | subl LITERAL(8), %esp // alignment padding |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1535 | CFI_ADJUST_CFA_OFFSET(8) |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1536 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1537 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1538 | pushl (FRAME_SIZE_REFS_ONLY_CALLEE_SAVE+12)(%esp) // pass referrer |
| 1539 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1540 | PUSH ebx // pass high half of new_val |
| 1541 | PUSH edx // pass low half of new_val |
| 1542 | PUSH ecx // pass object |
| 1543 | PUSH eax // pass field_idx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1544 | call SYMBOL(artSet64InstanceFromCode) // (field_idx, Object*, new_val, referrer, Thread*) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1545 | addl LITERAL(32), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1546 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1547 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1548 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1549 | END_FUNCTION art_quick_set64_instance |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1550 | |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1551 | // Call artSet64StaticFromCode with 3 word size arguments plus with the referrer in the 2nd position |
| 1552 | // so that new_val is aligned on even registers were we passing arguments in registers. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1553 | DEFINE_FUNCTION art_quick_set64_static |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 1554 | // TODO: Implement SETUP_GOT_NOSAVE for got_reg = ecx to avoid moving around the registers. |
| 1555 | movd %ebx, %xmm0 |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1556 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx // save ref containing registers for GC |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 1557 | movd %xmm0, %ebx |
| 1558 | mov FRAME_SIZE_REFS_ONLY_CALLEE_SAVE(%esp), %ecx // get referrer |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1559 | subl LITERAL(12), %esp // alignment padding |
| 1560 | CFI_ADJUST_CFA_OFFSET(12) |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1561 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1562 | CFI_ADJUST_CFA_OFFSET(4) |
Calin Juravle | e460d1d | 2015-09-29 04:52:17 +0100 | [diff] [blame] | 1563 | PUSH ebx // pass high half of new_val |
| 1564 | PUSH edx // pass low half of new_val |
| 1565 | PUSH ecx // pass referrer |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1566 | PUSH eax // pass field_idx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1567 | call SYMBOL(artSet64StaticFromCode) // (field_idx, referrer, new_val, Thread*) |
jeffhao | 1ff4cd7 | 2012-05-21 11:17:48 -0700 | [diff] [blame] | 1568 | addl LITERAL(32), %esp // pop arguments |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1569 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1570 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME // restore frame up to return address |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1571 | RETURN_IF_EAX_ZERO // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1572 | END_FUNCTION art_quick_set64_static |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1573 | |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1574 | DEFINE_FUNCTION art_quick_proxy_invoke_handler |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1575 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1576 | PUSH esp // pass SP |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 1577 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1578 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1579 | PUSH ecx // pass receiver |
| 1580 | PUSH eax // pass proxy method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1581 | call SYMBOL(artQuickProxyInvokeHandler) // (proxy method, receiver, Thread*, SP) |
Ian Rogers | af6e67a | 2013-01-16 08:38:37 -0800 | [diff] [blame] | 1582 | movd %eax, %xmm0 // place return value also into floating point return value |
| 1583 | movd %edx, %xmm1 |
| 1584 | punpckldq %xmm1, %xmm0 |
Mathieu Chartier | 9346ff0 | 2015-06-18 10:17:26 -0700 | [diff] [blame] | 1585 | addl LITERAL(16 + FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE - FRAME_SIZE_REFS_ONLY_CALLEE_SAVE), %esp |
| 1586 | CFI_ADJUST_CFA_OFFSET(-(16 + FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE - FRAME_SIZE_REFS_ONLY_CALLEE_SAVE)) |
| 1587 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME |
jeffhao | d66a875 | 2012-05-22 15:30:16 -0700 | [diff] [blame] | 1588 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1589 | END_FUNCTION art_quick_proxy_invoke_handler |
jeffhao | 9dbb23e | 2012-05-18 17:03:57 -0700 | [diff] [blame] | 1590 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1591 | /* |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1592 | * Called to resolve an imt conflict. |
| 1593 | * eax is the conflict ArtMethod. |
| 1594 | * xmm7 is a hidden argument that holds the target interface method's dex method index. |
| 1595 | * |
| 1596 | * Note that this stub writes to eax. |
| 1597 | * Because of lack of free registers, it also saves and restores edi. |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1598 | */ |
| 1599 | DEFINE_FUNCTION art_quick_imt_conflict_trampoline |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1600 | PUSH EDI |
| 1601 | movl 8(%esp), %edi // Load referrer |
| 1602 | movl ART_METHOD_DEX_CACHE_METHODS_OFFSET_32(%edi), %edi // Load dex cache methods array |
| 1603 | pushl ART_METHOD_JNI_OFFSET_32(%eax) // Push ImtConflictTable. |
| 1604 | CFI_ADJUST_CFA_OFFSET(4) |
Nicolas Geoffray | 8ea18d0 | 2015-05-26 16:29:08 +0100 | [diff] [blame] | 1605 | movd %xmm7, %eax // get target method index stored in xmm7 |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1606 | movl 0(%edi, %eax, __SIZEOF_POINTER__), %edi // Load interface method |
| 1607 | popl %eax // Pop ImtConflictTable. |
| 1608 | CFI_ADJUST_CFA_OFFSET(-4) |
| 1609 | .Limt_table_iterate: |
| 1610 | cmpl %edi, 0(%eax) |
| 1611 | jne .Limt_table_next_entry |
Goran Jakovljevic | 59028d9 | 2016-03-29 18:05:03 +0200 | [diff] [blame] | 1612 | // We successfully hit an entry in the table. Load the target method |
Nicolas Geoffray | 796d630 | 2016-03-13 22:22:31 +0000 | [diff] [blame] | 1613 | // and jump to it. |
| 1614 | POP EDI |
| 1615 | movl __SIZEOF_POINTER__(%eax), %eax |
| 1616 | jmp *ART_METHOD_QUICK_CODE_OFFSET_32(%eax) |
| 1617 | .Limt_table_next_entry: |
| 1618 | // If the entry is null, the interface method is not in the ImtConflictTable. |
| 1619 | cmpl LITERAL(0), 0(%eax) |
| 1620 | jz .Lconflict_trampoline |
| 1621 | // Iterate over the entries of the ImtConflictTable. |
| 1622 | addl LITERAL(2 * __SIZEOF_POINTER__), %eax |
| 1623 | jmp .Limt_table_iterate |
| 1624 | .Lconflict_trampoline: |
| 1625 | // Call the runtime stub to populate the ImtConflictTable and jump to the |
| 1626 | // resolved method. |
| 1627 | POP EDI |
Andreas Gampe | 55978b8 | 2015-07-14 17:57:43 -0700 | [diff] [blame] | 1628 | INVOKE_TRAMPOLINE_BODY artInvokeInterfaceTrampoline |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1629 | END_FUNCTION art_quick_imt_conflict_trampoline |
| 1630 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1631 | DEFINE_FUNCTION art_quick_resolution_trampoline |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1632 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx |
Tong Shen | 35e1e6a | 2014-07-30 09:31:22 -0700 | [diff] [blame] | 1633 | movl %esp, %edi |
| 1634 | PUSH EDI // pass SP. do not just PUSH ESP; that messes up unwinding |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1635 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1636 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1637 | PUSH ecx // pass receiver |
| 1638 | PUSH eax // pass method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1639 | call SYMBOL(artQuickResolutionTrampoline) // (Method* called, receiver, Thread*, SP) |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1640 | movl %eax, %edi // remember code pointer in EDI |
| 1641 | addl LITERAL(16), %esp // pop arguments |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1642 | CFI_ADJUST_CFA_OFFSET(-16) |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1643 | test %eax, %eax // if code pointer is null goto deliver pending exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1644 | jz 1f |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1645 | RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME_AND_JUMP |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1646 | 1: |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1647 | RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1648 | DELIVER_PENDING_EXCEPTION |
| 1649 | END_FUNCTION art_quick_resolution_trampoline |
| 1650 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1651 | DEFINE_FUNCTION art_quick_generic_jni_trampoline |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1652 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME_WITH_METHOD_IN_EAX |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1653 | movl %esp, %ebp // save SP at callee-save frame |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1654 | CFI_DEF_CFA_REGISTER(ebp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1655 | subl LITERAL(5120), %esp |
| 1656 | // prepare for artQuickGenericJniTrampoline call |
| 1657 | // (Thread*, SP) |
| 1658 | // (esp) 4(esp) <= C calling convention |
| 1659 | // fs:... ebp <= where they are |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1660 | |
| 1661 | subl LITERAL(8), %esp // Padding for 16B alignment. |
| 1662 | pushl %ebp // Pass SP (to ArtMethod). |
| 1663 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1664 | call SYMBOL(artQuickGenericJniTrampoline) // (Thread*, sp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1665 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1666 | // The C call will have registered the complete save-frame on success. |
| 1667 | // The result of the call is: |
| 1668 | // eax: pointer to native code, 0 on error. |
| 1669 | // edx: pointer to the bottom of the used area of the alloca, can restore stack till there. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1670 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1671 | // Check for error = 0. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1672 | test %eax, %eax |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1673 | jz .Lexception_in_native |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1674 | |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1675 | // Release part of the alloca. |
| 1676 | movl %edx, %esp |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1677 | |
| 1678 | // On x86 there are no registers passed, so nothing to pop here. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1679 | // Native call. |
| 1680 | call *%eax |
| 1681 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1682 | // result sign extension is handled in C code |
| 1683 | // prepare for artQuickGenericJniEndTrampoline call |
Andreas Gampe | c200a4a | 2014-06-16 18:39:09 -0700 | [diff] [blame] | 1684 | // (Thread*, result, result_f) |
| 1685 | // (esp) 4(esp) 12(esp) <= C calling convention |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1686 | // fs:... eax:edx fp0 <= where they are |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1687 | |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1688 | subl LITERAL(20), %esp // Padding & pass float result. |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1689 | fstpl (%esp) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1690 | pushl %edx // Pass int result. |
| 1691 | pushl %eax |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1692 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1693 | call SYMBOL(artQuickGenericJniEndTrampoline) |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1694 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1695 | // Pending exceptions possible. |
| 1696 | mov %fs:THREAD_EXCEPTION_OFFSET, %ebx |
| 1697 | testl %ebx, %ebx |
| 1698 | jnz .Lexception_in_native |
| 1699 | |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1700 | // Tear down the alloca. |
| 1701 | movl %ebp, %esp |
| 1702 | CFI_DEF_CFA_REGISTER(esp) |
| 1703 | |
| 1704 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1705 | // Tear down the callee-save frame. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1706 | // Remove space for FPR args and EAX |
| 1707 | addl LITERAL(4 + 4 * 8), %esp |
| 1708 | CFI_ADJUST_CFA_OFFSET(-(4 + 4 * 8)) |
| 1709 | |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1710 | POP ecx |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1711 | addl LITERAL(4), %esp // Avoid edx, as it may be part of the result. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1712 | CFI_ADJUST_CFA_OFFSET(-4) |
| 1713 | POP ebx |
| 1714 | POP ebp // Restore callee saves |
| 1715 | POP esi |
| 1716 | POP edi |
Nicolas Geoffray | 54accbc | 2014-08-13 03:40:45 +0100 | [diff] [blame] | 1717 | // Quick expects the return value to be in xmm0. |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1718 | movd %eax, %xmm0 |
| 1719 | movd %edx, %xmm1 |
| 1720 | punpckldq %xmm1, %xmm0 |
| 1721 | ret |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1722 | .Lexception_in_native: |
Nicolas Geoffray | 126d659 | 2015-03-03 14:28:35 +0000 | [diff] [blame] | 1723 | movl %fs:THREAD_TOP_QUICK_FRAME_OFFSET, %esp |
| 1724 | // Do a call to push a new save-all frame required by the runtime. |
| 1725 | call .Lexception_call |
| 1726 | .Lexception_call: |
Andreas Gampe | 779f8c9 | 2014-06-09 18:29:38 -0700 | [diff] [blame] | 1727 | DELIVER_PENDING_EXCEPTION |
Andreas Gampe | 2da8823 | 2014-02-27 12:26:20 -0800 | [diff] [blame] | 1728 | END_FUNCTION art_quick_generic_jni_trampoline |
| 1729 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1730 | DEFINE_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1731 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, ebx // save frame |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1732 | mov %esp, %edx // remember SP |
| 1733 | PUSH eax // alignment padding |
| 1734 | PUSH edx // pass SP |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1735 | pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current() |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1736 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1737 | PUSH eax // pass method |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1738 | call SYMBOL(artQuickToInterpreterBridge) // (method, Thread*, SP) |
Vladimir Marko | 949c91f | 2015-01-27 10:48:44 +0000 | [diff] [blame] | 1739 | addl LITERAL(16), %esp // pop arguments |
| 1740 | CFI_ADJUST_CFA_OFFSET(-16) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1741 | |
| 1742 | // Return eax:edx in xmm0 also. |
| 1743 | movd %eax, %xmm0 |
| 1744 | movd %edx, %xmm1 |
| 1745 | punpckldq %xmm1, %xmm0 |
| 1746 | |
| 1747 | addl LITERAL(48), %esp // Remove FPRs and EAX, ECX, EDX, EBX. |
| 1748 | CFI_ADJUST_CFA_OFFSET(-48) |
| 1749 | |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1750 | POP ebp // Restore callee saves |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1751 | POP esi |
| 1752 | POP edi |
| 1753 | |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1754 | RETURN_OR_DELIVER_PENDING_EXCEPTION // return or deliver exception |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1755 | END_FUNCTION art_quick_to_interpreter_bridge |
Ian Rogers | 7db619b | 2013-01-16 18:35:48 -0800 | [diff] [blame] | 1756 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1757 | /* |
| 1758 | * Routine that intercepts method calls and returns. |
| 1759 | */ |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1760 | DEFINE_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1761 | SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME ebx, edx |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1762 | PUSH eax // Save eax which will be clobbered by the callee-save method. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1763 | subl LITERAL(12), %esp // Align stack. |
| 1764 | CFI_ADJUST_CFA_OFFSET(12) |
Sebastien Hertz | 32b12f8 | 2014-11-17 12:46:27 +0100 | [diff] [blame] | 1765 | pushl FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE-4+16(%esp) // Pass LR. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1766 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1767 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1768 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1769 | PUSH ecx // Pass receiver. |
| 1770 | PUSH eax // Pass Method*. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1771 | call SYMBOL(artInstrumentationMethodEntryFromCode) // (Method*, Object*, Thread*, LR) |
Elliott Hughes | 7ac7e32 | 2014-06-27 17:20:59 -0700 | [diff] [blame] | 1772 | addl LITERAL(28), %esp // Pop arguments upto saved Method*. |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1773 | CFI_ADJUST_CFA_OFFSET(-28) |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1774 | movl 60(%esp), %edi // Restore edi. |
| 1775 | movl %eax, 60(%esp) // Place code* over edi, just under return pc. |
Elliott Hughes | 7ac7e32 | 2014-06-27 17:20:59 -0700 | [diff] [blame] | 1776 | movl SYMBOL(art_quick_instrumentation_exit)@GOT(%ebx), %ebx |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1777 | // Place instrumentation exit as return pc. ebx holds the GOT computed on entry. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1778 | movl %ebx, 64(%esp) |
| 1779 | movl 0(%esp), %eax // Restore eax. |
| 1780 | // Restore FPRs (extra 4 bytes of offset due to EAX push at top). |
| 1781 | movsd 8(%esp), %xmm0 |
| 1782 | movsd 16(%esp), %xmm1 |
| 1783 | movsd 24(%esp), %xmm2 |
| 1784 | movsd 32(%esp), %xmm3 |
| 1785 | |
| 1786 | // Restore GPRs. |
| 1787 | movl 40(%esp), %ecx // Restore ecx. |
Sebastien Hertz | f551d1b | 2015-02-19 10:30:48 +0100 | [diff] [blame] | 1788 | movl 44(%esp), %edx // Restore edx. |
Mark P Mendell | 966c3ae | 2015-01-27 15:45:27 +0000 | [diff] [blame] | 1789 | movl 48(%esp), %ebx // Restore ebx. |
| 1790 | movl 52(%esp), %ebp // Restore ebp. |
| 1791 | movl 56(%esp), %esi // Restore esi. |
| 1792 | addl LITERAL(60), %esp // Wind stack back upto code*. |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1793 | CFI_ADJUST_CFA_OFFSET(-60) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1794 | ret // Call method (and pop). |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1795 | END_FUNCTION art_quick_instrumentation_entry |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1796 | |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1797 | DEFINE_FUNCTION art_quick_instrumentation_exit |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1798 | pushl LITERAL(0) // Push a fake return PC as there will be none on the stack. |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1799 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1800 | SETUP_REFS_ONLY_CALLEE_SAVE_FRAME ebx, ebx |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1801 | mov %esp, %ecx // Remember SP |
| 1802 | subl LITERAL(8), %esp // Save float return value. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1803 | CFI_ADJUST_CFA_OFFSET(8) |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1804 | movq %xmm0, (%esp) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1805 | PUSH edx // Save gpr return value. |
| 1806 | PUSH eax |
Jeff Hao | cf2e7b0 | 2014-07-22 18:38:42 -0700 | [diff] [blame] | 1807 | subl LITERAL(16), %esp // Align stack |
| 1808 | CFI_ADJUST_CFA_OFFSET(16) |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1809 | movq %xmm0, (%esp) // Pass float return value. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1810 | PUSH edx // Pass gpr return value. |
| 1811 | PUSH eax |
| 1812 | PUSH ecx // Pass SP. |
| 1813 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1814 | CFI_ADJUST_CFA_OFFSET(4) |
Andreas Gampe | 29b3841 | 2014-08-13 00:15:43 -0700 | [diff] [blame] | 1815 | call SYMBOL(artInstrumentationMethodExitFromCode) // (Thread*, SP, gpr_result, fpr_result) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1816 | mov %eax, %ecx // Move returned link register. |
| 1817 | addl LITERAL(32), %esp // Pop arguments. |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1818 | CFI_ADJUST_CFA_OFFSET(-32) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1819 | movl %edx, %ebx // Move returned link register for deopt |
| 1820 | // (ebx is pretending to be our LR). |
| 1821 | POP eax // Restore gpr return value. |
| 1822 | POP edx |
Andreas Gampe | fea2901 | 2014-07-23 10:05:02 -0700 | [diff] [blame] | 1823 | movq (%esp), %xmm0 // Restore fpr return value. |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1824 | addl LITERAL(8), %esp |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1825 | CFI_ADJUST_CFA_OFFSET(-8) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1826 | RESTORE_REFS_ONLY_CALLEE_SAVE_FRAME |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1827 | addl LITERAL(4), %esp // Remove fake return pc. |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1828 | CFI_ADJUST_CFA_OFFSET(-4) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1829 | jmp *%ecx // Return. |
Ian Rogers | 468532e | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1830 | END_FUNCTION art_quick_instrumentation_exit |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1831 | |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1832 | /* |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1833 | * Instrumentation has requested that we deoptimize into the interpreter. The deoptimization |
| 1834 | * will long jump to the upcall with a special exception of -1. |
jeffhao | 7e4fcb8 | 2013-01-10 18:11:08 -0800 | [diff] [blame] | 1835 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1836 | DEFINE_FUNCTION art_quick_deoptimize |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1837 | PUSH ebx // Entry point for a jump. Fake that we were called. |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1838 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx |
| 1839 | subl LITERAL(12), %esp // Align stack. |
| 1840 | CFI_ADJUST_CFA_OFFSET(12) |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 1841 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
Mark Mendell | 3f2d031 | 2014-01-20 17:20:27 -0800 | [diff] [blame] | 1842 | CFI_ADJUST_CFA_OFFSET(4) |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1843 | call SYMBOL(artDeoptimize) // artDeoptimize(Thread*) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1844 | UNREACHABLE |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1845 | END_FUNCTION art_quick_deoptimize |
jeffhao | 162fd33 | 2013-01-08 16:21:01 -0800 | [diff] [blame] | 1846 | |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1847 | /* |
Sebastien Hertz | 0747466 | 2015-08-25 15:12:33 +0000 | [diff] [blame] | 1848 | * Compiled code has requested that we deoptimize into the interpreter. The deoptimization |
Andreas Gampe | 639bdd1 | 2015-06-03 11:22:45 -0700 | [diff] [blame] | 1849 | * will long jump to the interpreter bridge. |
Sebastien Hertz | 0747466 | 2015-08-25 15:12:33 +0000 | [diff] [blame] | 1850 | */ |
| 1851 | DEFINE_FUNCTION art_quick_deoptimize_from_compiled_code |
| 1852 | SETUP_SAVE_ALL_CALLEE_SAVE_FRAME ebx, ebx |
| 1853 | subl LITERAL(12), %esp // Align stack. |
| 1854 | CFI_ADJUST_CFA_OFFSET(12) |
| 1855 | pushl %fs:THREAD_SELF_OFFSET // Pass Thread::Current(). |
| 1856 | CFI_ADJUST_CFA_OFFSET(4) |
| 1857 | call SYMBOL(artDeoptimizeFromCompiledCode) // artDeoptimizeFromCompiledCode(Thread*) |
| 1858 | UNREACHABLE |
| 1859 | END_FUNCTION art_quick_deoptimize_from_compiled_code |
| 1860 | |
| 1861 | /* |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1862 | * String's compareTo. |
| 1863 | * |
| 1864 | * On entry: |
| 1865 | * eax: this string object (known non-null) |
| 1866 | * ecx: comp string object (known non-null) |
| 1867 | */ |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 1868 | DEFINE_FUNCTION art_quick_string_compareto |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1869 | PUSH esi // push callee save reg |
| 1870 | PUSH edi // push callee save reg |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1871 | mov MIRROR_STRING_COUNT_OFFSET(%eax), %edx |
| 1872 | mov MIRROR_STRING_COUNT_OFFSET(%ecx), %ebx |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 1873 | lea MIRROR_STRING_VALUE_OFFSET(%eax), %esi |
| 1874 | lea MIRROR_STRING_VALUE_OFFSET(%ecx), %edi |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1875 | /* Calculate min length and count diff */ |
| 1876 | mov %edx, %ecx |
| 1877 | mov %edx, %eax |
| 1878 | subl %ebx, %eax |
| 1879 | cmovg %ebx, %ecx |
| 1880 | /* |
| 1881 | * At this point we have: |
| 1882 | * eax: value to return if first part of strings are equal |
| 1883 | * ecx: minimum among the lengths of the two strings |
| 1884 | * esi: pointer to this string data |
| 1885 | * edi: pointer to comp string data |
| 1886 | */ |
Alexei Zavjalov | 4554bfd | 2014-02-26 17:28:35 +0700 | [diff] [blame] | 1887 | jecxz .Lkeep_length |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1888 | repe cmpsw // find nonmatching chars in [%esi] and [%edi], up to length %ecx |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1889 | jne .Lnot_equal |
Alexei Zavjalov | 4554bfd | 2014-02-26 17:28:35 +0700 | [diff] [blame] | 1890 | .Lkeep_length: |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1891 | POP edi // pop callee save reg |
| 1892 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1893 | ret |
| 1894 | .balign 16 |
Ian Rogers | 8016a12 | 2014-02-21 20:37:21 -0800 | [diff] [blame] | 1895 | .Lnot_equal: |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 1896 | movzwl -2(%esi), %eax // get last compared char from this string |
| 1897 | movzwl -2(%edi), %ecx // get last compared char from comp string |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1898 | subl %ecx, %eax // return the difference |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1899 | POP edi // pop callee save reg |
| 1900 | POP esi // pop callee save reg |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1901 | ret |
Ian Rogers | aeeada4 | 2013-02-13 11:28:34 -0800 | [diff] [blame] | 1902 | END_FUNCTION art_quick_string_compareto |
jeffhao | 86e4671 | 2012-08-08 17:30:59 -0700 | [diff] [blame] | 1903 | |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1904 | // Return from a nested signal: |
| 1905 | // Entry: |
| 1906 | // eax: address of jmp_buf in TLS |
| 1907 | |
| 1908 | DEFINE_FUNCTION art_nested_signal_return |
Ian Rogers | 1d8cdbc | 2014-09-22 22:51:09 -0700 | [diff] [blame] | 1909 | SETUP_GOT_NOSAVE ebx // sets %ebx for call into PLT |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1910 | movl LITERAL(1), %ecx |
Christopher Ferris | 9f5e1d9 | 2015-07-13 12:21:00 -0700 | [diff] [blame] | 1911 | PUSH ecx // second arg to longjmp (1) |
| 1912 | PUSH eax // first arg to longjmp (jmp_buf) |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1913 | call PLT_SYMBOL(longjmp) |
Andreas Gampe | 4360be2 | 2015-07-14 23:34:44 -0700 | [diff] [blame] | 1914 | UNREACHABLE |
Dave Allison | 8ce6b90 | 2014-08-26 11:07:58 -0700 | [diff] [blame] | 1915 | END_FUNCTION art_nested_signal_return |
| 1916 | |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1917 | // Create a function `name` calling the ReadBarrier::Mark routine, |
| 1918 | // getting its argument and returning its result through register |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1919 | // `reg`, saving and restoring all caller-save registers. |
| 1920 | // |
| 1921 | // If `reg` is different from `eax`, the generated function follows a |
| 1922 | // non-standard runtime calling convention: |
| 1923 | // - register `reg` is used to pass the (sole) argument of this function |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1924 | // (instead of EAX); |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1925 | // - register `reg` is used to return the result of this function |
| 1926 | // (instead of EAX); |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1927 | // - EAX is treated like a normal (non-argument) caller-save register; |
| 1928 | // - everything else is the same as in the standard runtime calling |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1929 | // convention (e.g. standard callee-save registers are preserved). |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1930 | MACRO2(READ_BARRIER_MARK_REG, name, reg) |
| 1931 | DEFINE_FUNCTION VAR(name) |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1932 | // Null check so that we can load the lock word. |
| 1933 | test REG_VAR(reg), REG_VAR(reg) |
| 1934 | jz .Lret_rb_\name |
| 1935 | // Check the mark bit, if it is 1 return. |
| 1936 | testl LITERAL(LOCK_WORD_MARK_BIT_MASK_SHIFTED), MIRROR_OBJECT_LOCK_WORD_OFFSET(REG_VAR(reg)) |
| 1937 | jz .Lslow_rb_\name |
| 1938 | ret |
| 1939 | .Lslow_rb_\name: |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1940 | // Save all potentially live caller-save core registers. |
| 1941 | PUSH eax |
| 1942 | PUSH ecx |
| 1943 | PUSH edx |
| 1944 | PUSH ebx |
| 1945 | // 8-byte align the stack to improve (8-byte) XMM register saving and restoring. |
| 1946 | // and create space for caller-save floating-point registers. |
| 1947 | subl MACRO_LITERAL(4 + 8 * 8), %esp |
| 1948 | CFI_ADJUST_CFA_OFFSET(4 + 8 * 8) |
| 1949 | // Save all potentially live caller-save floating-point registers. |
| 1950 | movsd %xmm0, 0(%esp) |
| 1951 | movsd %xmm1, 8(%esp) |
| 1952 | movsd %xmm2, 16(%esp) |
| 1953 | movsd %xmm3, 24(%esp) |
| 1954 | movsd %xmm4, 32(%esp) |
| 1955 | movsd %xmm5, 40(%esp) |
| 1956 | movsd %xmm6, 48(%esp) |
| 1957 | movsd %xmm7, 56(%esp) |
| 1958 | |
| 1959 | subl LITERAL(4), %esp // alignment padding |
| 1960 | CFI_ADJUST_CFA_OFFSET(4) |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1961 | PUSH RAW_VAR(reg) // pass arg1 - obj from `reg` |
| 1962 | call SYMBOL(artReadBarrierMark) // artReadBarrierMark(obj) |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1963 | .ifnc RAW_VAR(reg), eax |
| 1964 | movl %eax, REG_VAR(reg) // return result into `reg` |
| 1965 | .endif |
| 1966 | addl LITERAL(8), %esp // pop argument and remove padding |
| 1967 | CFI_ADJUST_CFA_OFFSET(-8) |
| 1968 | |
| 1969 | // Restore floating-point registers. |
| 1970 | movsd 0(%esp), %xmm0 |
| 1971 | movsd 8(%esp), %xmm1 |
| 1972 | movsd 16(%esp), %xmm2 |
| 1973 | movsd 24(%esp), %xmm3 |
| 1974 | movsd 32(%esp), %xmm4 |
| 1975 | movsd 40(%esp), %xmm5 |
| 1976 | movsd 48(%esp), %xmm6 |
| 1977 | movsd 56(%esp), %xmm7 |
| 1978 | // Remove floating-point registers and padding. |
| 1979 | addl MACRO_LITERAL(8 * 8 + 4), %esp |
| 1980 | CFI_ADJUST_CFA_OFFSET(-(8 * 8 + 4)) |
| 1981 | // Restore core regs, except `reg`, as it is used to return the |
| 1982 | // result of this function (simply remove it from the stack instead). |
| 1983 | POP_REG_NE ebx, RAW_VAR(reg) |
| 1984 | POP_REG_NE edx, RAW_VAR(reg) |
| 1985 | POP_REG_NE ecx, RAW_VAR(reg) |
| 1986 | POP_REG_NE eax, RAW_VAR(reg) |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame^] | 1987 | .Lret_rb_\name: |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1988 | ret |
| 1989 | END_FUNCTION VAR(name) |
| 1990 | END_MACRO |
| 1991 | |
Roland Levillain | 4359e61 | 2016-07-20 11:32:19 +0100 | [diff] [blame] | 1992 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg00, eax |
Roland Levillain | 02b7580 | 2016-07-13 11:54:35 +0100 | [diff] [blame] | 1993 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg01, ecx |
| 1994 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg02, edx |
| 1995 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg03, ebx |
| 1996 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg05, ebp |
| 1997 | // Note: There is no art_quick_read_barrier_mark_reg04, as register 4 (ESP) |
| 1998 | // cannot be used to pass arguments. |
| 1999 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg06, esi |
| 2000 | READ_BARRIER_MARK_REG art_quick_read_barrier_mark_reg07, edi |
Roland Levillain | 7c1559a | 2015-12-15 10:55:36 +0000 | [diff] [blame] | 2001 | |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 2002 | DEFINE_FUNCTION art_quick_read_barrier_slow |
Roland Levillain | 0d5a281 | 2015-11-13 10:07:31 +0000 | [diff] [blame] | 2003 | PUSH edx // pass arg3 - offset |
| 2004 | PUSH ecx // pass arg2 - obj |
| 2005 | PUSH eax // pass arg1 - ref |
| 2006 | call SYMBOL(artReadBarrierSlow) // artReadBarrierSlow(ref, obj, offset) |
| 2007 | addl LITERAL(12), %esp // pop arguments |
Man Cao | 1aee900 | 2015-07-14 22:31:42 -0700 | [diff] [blame] | 2008 | CFI_ADJUST_CFA_OFFSET(-12) |
| 2009 | ret |
| 2010 | END_FUNCTION art_quick_read_barrier_slow |
| 2011 | |
Roland Levillain | 0d5a281 | 2015-11-13 10:07:31 +0000 | [diff] [blame] | 2012 | DEFINE_FUNCTION art_quick_read_barrier_for_root_slow |
Roland Levillain | a7821bf | 2016-06-30 16:21:31 +0100 | [diff] [blame] | 2013 | subl LITERAL(8), %esp // alignment padding |
| 2014 | CFI_ADJUST_CFA_OFFSET(8) |
Roland Levillain | 0d5a281 | 2015-11-13 10:07:31 +0000 | [diff] [blame] | 2015 | PUSH eax // pass arg1 - root |
| 2016 | call SYMBOL(artReadBarrierForRootSlow) // artReadBarrierForRootSlow(root) |
Roland Levillain | a7821bf | 2016-06-30 16:21:31 +0100 | [diff] [blame] | 2017 | addl LITERAL(12), %esp // pop argument and remove padding |
| 2018 | CFI_ADJUST_CFA_OFFSET(-12) |
Roland Levillain | 0d5a281 | 2015-11-13 10:07:31 +0000 | [diff] [blame] | 2019 | ret |
| 2020 | END_FUNCTION art_quick_read_barrier_for_root_slow |
| 2021 | |
Nicolas Geoffray | b331feb | 2016-02-05 16:51:53 +0000 | [diff] [blame] | 2022 | /* |
| 2023 | * On stack replacement stub. |
| 2024 | * On entry: |
| 2025 | * [sp] = return address |
| 2026 | * [sp + 4] = stack to copy |
| 2027 | * [sp + 8] = size of stack |
| 2028 | * [sp + 12] = pc to call |
| 2029 | * [sp + 16] = JValue* result |
| 2030 | * [sp + 20] = shorty |
| 2031 | * [sp + 24] = thread |
| 2032 | */ |
| 2033 | DEFINE_FUNCTION art_quick_osr_stub |
| 2034 | // Save native callee saves. |
| 2035 | PUSH ebp |
| 2036 | PUSH ebx |
| 2037 | PUSH esi |
| 2038 | PUSH edi |
| 2039 | mov 4+16(%esp), %esi // ESI = argument array |
| 2040 | mov 8+16(%esp), %ecx // ECX = size of args |
| 2041 | mov 12+16(%esp), %ebx // EBX = pc to call |
| 2042 | mov %esp, %ebp // Save stack pointer |
| 2043 | andl LITERAL(0xFFFFFFF0), %esp // Align stack |
| 2044 | PUSH ebp // Save old stack pointer |
| 2045 | subl LITERAL(12), %esp // Align stack |
| 2046 | movl LITERAL(0), (%esp) // Store null for ArtMethod* slot |
| 2047 | call .Losr_entry |
| 2048 | |
| 2049 | // Restore stack pointer. |
| 2050 | addl LITERAL(12), %esp |
| 2051 | POP ebp |
| 2052 | mov %ebp, %esp |
| 2053 | |
| 2054 | // Restore callee saves. |
| 2055 | POP edi |
| 2056 | POP esi |
| 2057 | POP ebx |
| 2058 | POP ebp |
| 2059 | mov 16(%esp), %ecx // Get JValue result |
| 2060 | mov %eax, (%ecx) // Store the result assuming it is a long, int or Object* |
| 2061 | mov %edx, 4(%ecx) // Store the other half of the result |
| 2062 | mov 20(%esp), %edx // Get the shorty |
| 2063 | cmpb LITERAL(68), (%edx) // Test if result type char == 'D' |
| 2064 | je .Losr_return_double_quick |
| 2065 | cmpb LITERAL(70), (%edx) // Test if result type char == 'F' |
| 2066 | je .Losr_return_float_quick |
| 2067 | ret |
| 2068 | .Losr_return_double_quick: |
| 2069 | movsd %xmm0, (%ecx) // Store the floating point result |
| 2070 | ret |
| 2071 | .Losr_return_float_quick: |
| 2072 | movss %xmm0, (%ecx) // Store the floating point result |
| 2073 | ret |
| 2074 | .Losr_entry: |
| 2075 | subl LITERAL(4), %ecx // Given stack size contains pushed frame pointer, substract it. |
| 2076 | subl %ecx, %esp |
| 2077 | mov %esp, %edi // EDI = beginning of stack |
| 2078 | rep movsb // while (ecx--) { *edi++ = *esi++ } |
| 2079 | jmp *%ebx |
| 2080 | END_FUNCTION art_quick_osr_stub |
| 2081 | |
Elliott Hughes | 787ec20 | 2012-03-29 17:14:15 -0700 | [diff] [blame] | 2082 | // TODO: implement these! |
Logan Chien | 8dbb708 | 2013-01-25 20:31:17 +0800 | [diff] [blame] | 2083 | UNIMPLEMENTED art_quick_memcmp16 |