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