Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 1 | #include "asm_support.h" |
| 2 | |
buzbee | 5433072 | 2011-08-23 16:46:55 -0700 | [diff] [blame] | 3 | .balign 4 |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 4 | |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 5 | /* Deliver the given exception */ |
| 6 | .extern artDeliverExceptionFromCode |
| 7 | /* Deliver an exception pending on a thread */ |
| 8 | .extern artDeliverPendingException |
| 9 | |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 10 | /* |
| 11 | * Macro that sets up the callee save frame to conform with |
| 12 | * Runtime::CreateCalleeSaveMethod(kSaveAll) |
| 13 | */ |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 14 | .macro SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 15 | push {r4-r11, lr} @ 9 words of callee saves |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 16 | vpush {s0-s31} |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 17 | sub sp, #12 @ 3 words of space, bottom word will hold Method* |
| 18 | .endm |
| 19 | |
| 20 | /* |
| 21 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 22 | * Runtime::CreateCalleeSaveMethod(kRefsOnly). Restoration assumes non-moving GC. |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 23 | */ |
| 24 | .macro SETUP_REF_ONLY_CALLEE_SAVE_FRAME |
| 25 | push {r5-r8, r10-r11, lr} @ 7 words of callee saves |
| 26 | sub sp, #4 @ bottom word will hold Method* |
| 27 | .endm |
| 28 | |
| 29 | .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 30 | ldr lr, [sp, #28] @ restore lr for return |
| 31 | add sp, #32 @ unwind stack |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 32 | .endm |
| 33 | |
| 34 | .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 35 | ldr lr, [sp, #28] @ restore lr for return |
| 36 | add sp, #32 @ unwind stack |
| 37 | bx lr @ return |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 38 | .endm |
| 39 | |
| 40 | /* |
| 41 | * Macro that sets up the callee save frame to conform with |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 42 | * Runtime::CreateCalleeSaveMethod(kRefsAndArgs). Restoration assumes non-moving GC. |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 43 | */ |
| 44 | .macro SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 45 | push {r1-r3, r5-r8, r10-r11, lr} @ 10 words of callee saves |
| 46 | sub sp, #8 @ 2 words of space, bottom word will hold Method* |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 47 | .endm |
| 48 | |
| 49 | .macro RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 50 | ldr r1, [sp, #8] @ restore non-callee save r1 |
| 51 | ldrd r2, [sp, #12] @ restore non-callee saves r2-r3 |
| 52 | ldr lr, [sp, #44] @ restore lr |
| 53 | add sp, #48 @ rewind sp |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 54 | .endm |
| 55 | |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 56 | /* |
| 57 | * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| 58 | * exception is Thread::Current()->exception_ |
| 59 | */ |
| 60 | .macro DELIVER_PENDING_EXCEPTION |
| 61 | SETUP_CALLEE_SAVE_FRAME @ save callee saves for throw |
| 62 | mov r0, r9 @ pass Thread::Current |
| 63 | mov r1, sp @ pass SP |
| 64 | b artDeliverPendingExceptionFromCode @ artDeliverPendingExceptionFromCode(Thread*, SP) |
| 65 | .endm |
| 66 | |
buzbee | 44b412b | 2012-02-04 08:50:53 -0800 | [diff] [blame] | 67 | .global art_update_debugger |
| 68 | .extern artUpdateDebuggerFromCode |
| 69 | /* |
| 70 | * On entry, r0 and r1 must be preserved, r2 is DalvikPC |
| 71 | */ |
| 72 | art_update_debugger: |
| 73 | mov r3, r0 @ stash away r0 so that it's saved as if it were an argument |
| 74 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 75 | mov r0, r2 @ arg0 is DalvikPC |
| 76 | mov r1, rSELF @ arg1 is Thread* |
| 77 | mov r2, sp @ arg2 is sp |
| 78 | bl artUpdateDebuggerFromCode @ artUpdateDebuggerFromCode(Method*, Thread*, dPC, sp) |
| 79 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 80 | mov r0, r3 @ restore original r0 |
| 81 | bx lr |
| 82 | |
Brian Carlstrom | 6f495f2 | 2011-10-10 15:05:03 -0700 | [diff] [blame] | 83 | .global art_do_long_jump |
Brian Carlstrom | 6f495f2 | 2011-10-10 15:05:03 -0700 | [diff] [blame] | 84 | /* |
| 85 | * On entry r0 is uint32_t* gprs_ and r1 is uint32_t* fprs_ |
| 86 | */ |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 87 | art_do_long_jump: |
Brian Carlstrom | 6f495f2 | 2011-10-10 15:05:03 -0700 | [diff] [blame] | 88 | vldm r1, {s0-s31} @ load all fprs from argument fprs_ |
| 89 | ldr r2, [r0, #60] @ r2 = r15 (PC from gprs_ 60=4*15) |
| 90 | add r0, r0, #12 @ increment r0 to skip gprs_[0..2] 12=4*3 |
| 91 | ldm r0, {r3-r14} @ load remaining gprs from argument gprs_ |
| 92 | mov r0, #0 @ clear result registers r0 and r1 |
| 93 | mov r1, #0 |
| 94 | bx r2 @ do long jump |
| 95 | |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 96 | .global art_deliver_exception_from_code |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 97 | /* |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 98 | * Called by managed code, saves mosts registers (forms basis of long jump context) and passes |
| 99 | * the bottom of the stack. artDeliverExceptionFromCode will place the callee save Method* at |
| 100 | * the bottom of the thread. On entry r0 holds Throwable* |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 101 | */ |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 102 | art_deliver_exception_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 103 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 104 | mov r1, r9 @ pass Thread::Current |
| 105 | mov r2, sp @ pass SP |
| 106 | b artDeliverExceptionFromCode @ artDeliverExceptionFromCode(Throwable*, Thread*, SP) |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 107 | |
| 108 | .global art_throw_null_pointer_exception_from_code |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 109 | .extern artThrowNullPointerExceptionFromCode |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 110 | /* |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 111 | * Called by managed code to create and deliver a NullPointerException |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 112 | */ |
| 113 | art_throw_null_pointer_exception_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 114 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 115 | mov r0, r9 @ pass Thread::Current |
| 116 | mov r1, sp @ pass SP |
| 117 | b artThrowNullPointerExceptionFromCode @ artThrowNullPointerExceptionFromCode(Thread*, SP) |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 118 | |
| 119 | .global art_throw_div_zero_from_code |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 120 | .extern artThrowDivZeroFromCode |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 121 | /* |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 122 | * Called by managed code to create and deliver an ArithmeticException |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 123 | */ |
| 124 | art_throw_div_zero_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 125 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 126 | mov r0, r9 @ pass Thread::Current |
| 127 | mov r1, sp @ pass SP |
| 128 | b artThrowDivZeroFromCode @ artThrowDivZeroFromCode(Thread*, SP) |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 129 | |
| 130 | .global art_throw_array_bounds_from_code |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 131 | .extern artThrowArrayBoundsFromCode |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 132 | /* |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 133 | * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException |
Ian Rogers | 9651f42 | 2011-09-19 20:26:07 -0700 | [diff] [blame] | 134 | */ |
| 135 | art_throw_array_bounds_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 136 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 137 | mov r2, r9 @ pass Thread::Current |
| 138 | mov r3, sp @ pass SP |
| 139 | b artThrowArrayBoundsFromCode @ artThrowArrayBoundsFromCode(index, limit, Thread*, SP) |
Ian Rogers | bdb0391 | 2011-09-14 00:55:44 -0700 | [diff] [blame] | 140 | |
Ian Rogers | 932746a | 2011-09-22 18:57:50 -0700 | [diff] [blame] | 141 | .global art_throw_stack_overflow_from_code |
| 142 | .extern artThrowStackOverflowFromCode |
| 143 | art_throw_stack_overflow_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 144 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | 932746a | 2011-09-22 18:57:50 -0700 | [diff] [blame] | 145 | mov r1, r9 @ pass Thread::Current |
| 146 | mov r2, sp @ pass SP |
| 147 | b artThrowStackOverflowFromCode @ artThrowStackOverflowFromCode(method, Thread*, SP) |
| 148 | |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 149 | .global art_throw_neg_array_size_from_code |
| 150 | .extern artThrowNegArraySizeFromCode |
| 151 | art_throw_neg_array_size_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 152 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 153 | mov r1, r9 @ pass Thread::Current |
| 154 | mov r2, sp @ pass SP |
| 155 | b artThrowNegArraySizeFromCode @ artThrowNegArraySizeFromCode(size, Thread*, SP) |
| 156 | |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 157 | .global art_throw_no_such_method_from_code |
| 158 | .extern artThrowNoSuchMethodFromCode |
| 159 | art_throw_no_such_method_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 160 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 161 | mov r1, r9 @ pass Thread::Current |
| 162 | mov r2, sp @ pass SP |
| 163 | b artThrowNoSuchMethodFromCode @ artThrowNoSuchMethodFromCode(method_idx, Thread*, SP) |
| 164 | |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 165 | .global art_throw_verification_error_from_code |
| 166 | .extern artThrowVerificationErrorFromCode |
| 167 | art_throw_verification_error_from_code: |
Ian Rogers | 15fdb8c | 2011-09-25 15:45:07 -0700 | [diff] [blame] | 168 | SETUP_CALLEE_SAVE_FRAME |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 169 | mov r2, r9 @ pass Thread::Current |
| 170 | mov r3, sp @ pass SP |
Elliott Hughes | 6c8867d | 2011-10-03 16:34:05 -0700 | [diff] [blame] | 171 | b artThrowVerificationErrorFromCode @ artThrowVerificationErrorFromCode(kind, ref, Thread*, SP) |
Ian Rogers | c0c8dc8 | 2011-09-24 18:15:59 -0700 | [diff] [blame] | 172 | |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 173 | .global art_invoke_interface_trampoline |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame^] | 174 | .extern artInvokeInterfaceTrampoline |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 175 | /* |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 176 | * All generated callsites for interface invokes will load arguments as usual - except instead |
| 177 | * of loading arg0/r0 with the target Method*, arg0/r0 will contain the method_idx. This |
| 178 | * wrapper will save arg1-arg3, load the caller's Method*, align the stack and call the helper |
| 179 | * artFindInterfaceMethodInCacheFromCode(idx, this, method); |
| 180 | * NOTE: "this" is first visable argument of the target, and so can be found in arg1/r1. |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 181 | * |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame^] | 182 | * artInvokeInterfaceTrampoline will attempt to locate the target and return a 64-bit |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 183 | * result in r0/r1 consisting of the target Method* in r0 and method->code_ in r1. |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 184 | * |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame^] | 185 | * If unsuccessful, artInvokeInterfaceTrampoline will return NULL/NULL. There will be |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 186 | * a pending exception in the thread and we branch to another stub to deliver it. |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 187 | * |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 188 | * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| 189 | * pointing back to the original caller. |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 190 | */ |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 191 | art_invoke_interface_trampoline: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 192 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME @ save callee saves in case allocation triggers GC |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 193 | ldr r2, [sp, #48] @ pass caller Method* |
| 194 | mov r3, r9 @ pass Thread::Current |
| 195 | str sp, [sp, #0] @ pass SP |
Ian Rogers | a32a6fd | 2012-02-06 20:18:44 -0800 | [diff] [blame^] | 196 | bl artInvokeInterfaceTrampoline @ (method_idx, this, caller, Thread*, SP) |
| 197 | mov r12, r1 @ save r0->code_ |
| 198 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 199 | cmp r0, #0 @ did we find the target? |
| 200 | bxne r12 @ tail call to target if so |
| 201 | DELIVER_PENDING_EXCEPTION |
| 202 | |
| 203 | .global art_invoke_interface_trampoline_with_access_check |
| 204 | .extern artInvokeInterfaceTrampolineWithAccessCheck |
| 205 | art_invoke_interface_trampoline_with_access_check: |
| 206 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME @ save callee saves in case allocation triggers GC |
| 207 | ldr r2, [sp, #48] @ pass caller Method* |
| 208 | mov r3, r9 @ pass Thread::Current |
| 209 | str sp, [sp, #0] @ pass SP |
| 210 | bl artInvokeInterfaceTrampolineWithAccessCheck @ (method_idx, this, caller, Thread*, SP) |
| 211 | mov r12, r1 @ save r0->code_ |
| 212 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 213 | cmp r0, #0 @ did we find the target? |
| 214 | bxne r12 @ tail call to target if so |
| 215 | DELIVER_PENDING_EXCEPTION |
| 216 | |
| 217 | .global art_invoke_super_trampoline_with_access_check |
| 218 | .extern artInvokeSuperTrampolineWithAccessCheck |
| 219 | art_invoke_super_trampoline_with_access_check: |
| 220 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME @ save callee saves in case allocation triggers GC |
| 221 | ldr r2, [sp, #48] @ pass caller Method* |
| 222 | mov r3, r9 @ pass Thread::Current |
| 223 | str sp, [sp, #0] @ pass SP |
| 224 | bl artInvokeSuperTrampolineWithAccessCheck @ (method_idx, this, caller, Thread*, SP) |
| 225 | mov r12, r1 @ save r0->code_ |
| 226 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 227 | cmp r0, #0 @ did we find the target? |
| 228 | bxne r12 @ tail call to target if so |
| 229 | DELIVER_PENDING_EXCEPTION |
| 230 | |
| 231 | .global art_invoke_virtual_trampoline_with_access_check |
| 232 | .extern artInvokeVirtualTrampolineWithAccessCheck |
| 233 | art_invoke_virtual_trampoline_with_access_check: |
| 234 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME @ save callee saves in case allocation triggers GC |
| 235 | ldr r2, [sp, #48] @ pass caller Method* |
| 236 | mov r3, r9 @ pass Thread::Current |
| 237 | str sp, [sp, #0] @ pass SP |
| 238 | bl artInvokeVirtualTrampolineWithAccessCheck @ (method_idx, this, caller, Thread*, SP) |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 239 | mov r12, r1 @ save r0->code_ |
| 240 | RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 241 | cmp r0, #0 @ did we find the target? |
| 242 | bxne r12 @ tail call to target if so |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 243 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 244 | |
| 245 | .global art_handle_fill_data_from_code |
| 246 | .extern artHandleFillArrayDataFromCode |
| 247 | /* |
| 248 | * Entry from managed code that calls artHandleFillArrayDataFromCode and delivers exception on |
| 249 | * failure. |
| 250 | */ |
| 251 | art_handle_fill_data_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 252 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case exception allocation triggers GC |
| 253 | mov r2, r9 @ pass Thread::Current |
| 254 | mov r3, sp @ pass SP |
| 255 | bl artHandleFillArrayDataFromCode @ (Array* array, const uint16_t* table, Thread*, SP) |
| 256 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 257 | cmp r0, #0 @ success? |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 258 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 259 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 260 | |
| 261 | .global art_lock_object_from_code |
| 262 | .extern artLockObjectFromCode |
| 263 | /* |
| 264 | * Entry from managed code that calls artLockObjectFromCode, may block for GC |
| 265 | */ |
| 266 | art_lock_object_from_code: |
| 267 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case we block |
| 268 | mov r1, r9 @ pass Thread::Current |
| 269 | mov r2, sp @ pass SP |
| 270 | bl artLockObjectFromCode @ (Object* obj, Thread*, SP) |
| 271 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 272 | |
| 273 | .global art_unlock_object_from_code |
| 274 | .extern artUnlockObjectFromCode |
| 275 | /* |
| 276 | * Entry from managed code that calls artUnlockObjectFromCode and delivers exception on failure. |
| 277 | */ |
| 278 | art_unlock_object_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 279 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case exception allocation triggers GC |
| 280 | mov r1, r9 @ pass Thread::Current |
| 281 | mov r2, sp @ pass SP |
| 282 | bl artUnlockObjectFromCode @ (Object* obj, Thread*, SP) |
| 283 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 284 | cmp r0, #0 @ success? |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 285 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 286 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 287 | |
| 288 | .global art_check_cast_from_code |
| 289 | .extern artCheckCastFromCode |
| 290 | /* |
| 291 | * Entry from managed code that calls artCheckCastFromCode and delivers exception on failure. |
| 292 | */ |
| 293 | art_check_cast_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 294 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case exception allocation triggers GC |
| 295 | mov r2, r9 @ pass Thread::Current |
| 296 | mov r3, sp @ pass SP |
| 297 | bl artCheckCastFromCode @ (Class* a, Class* b, Thread*, SP) |
| 298 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 299 | cmp r0, #0 @ success? |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 300 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 301 | DELIVER_PENDING_EXCEPTION |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 302 | |
Ian Rogers | e51a511 | 2011-09-23 14:16:35 -0700 | [diff] [blame] | 303 | .global art_can_put_array_element_from_code |
| 304 | .extern artCanPutArrayElementFromCode |
| 305 | /* |
| 306 | * Entry from managed code that calls artCanPutArrayElementFromCode and delivers exception on |
| 307 | * failure. |
| 308 | */ |
| 309 | art_can_put_array_element_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 310 | cmp r0, #0 @ return if element == NULL |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 311 | bxeq lr |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 312 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case exception allocation triggers GC |
| 313 | mov r2, r9 @ pass Thread::Current |
| 314 | mov r3, sp @ pass SP |
| 315 | bl artCanPutArrayElementFromCode @ (Object* element, Class* array_class, Thread*, SP) |
| 316 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 317 | cmp r0, #0 @ success? |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 318 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 319 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | e51a511 | 2011-09-23 14:16:35 -0700 | [diff] [blame] | 320 | |
Ian Rogers | cbba6ac | 2011-09-22 16:28:37 -0700 | [diff] [blame] | 321 | .global art_initialize_static_storage_from_code |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 322 | .extern artInitializeStaticStorageFromCode |
Ian Rogers | cbba6ac | 2011-09-22 16:28:37 -0700 | [diff] [blame] | 323 | /* |
| 324 | * Entry from managed code when uninitialized static storage, this stub will run the class |
| 325 | * initializer and deliver the exception on error. On success the static storage base is |
| 326 | * returned. |
| 327 | */ |
| 328 | art_initialize_static_storage_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 329 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 330 | mov r2, r9 @ pass Thread::Current |
| 331 | mov r3, sp @ pass SP |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 332 | @ artInitializeStaticStorageFromCode(uint32_t type_idx, Method* referrer, Thread*, SP) |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 333 | bl artInitializeStaticStorageFromCode |
| 334 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 335 | cmp r0, #0 @ success if result is non-null |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 336 | bxne lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 337 | DELIVER_PENDING_EXCEPTION |
| 338 | |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 339 | .global art_initialize_type_from_code |
| 340 | .extern artInitializeTypeFromCode |
| 341 | /* |
| 342 | * Entry from managed code when dex cache misses for a type_idx |
| 343 | */ |
| 344 | art_initialize_type_from_code: |
| 345 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 346 | mov r2, r9 @ pass Thread::Current |
| 347 | mov r3, sp @ pass SP |
| 348 | @ artInitializeTypeFromCode(uint32_t type_idx, Method* referrer, Thread*, SP) |
| 349 | bl artInitializeTypeFromCode |
| 350 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 351 | cmp r0, #0 @ success if result is non-null |
| 352 | bxne lr @ return on success |
| 353 | DELIVER_PENDING_EXCEPTION |
| 354 | |
Ian Rogers | b093c6b | 2011-10-31 16:19:55 -0700 | [diff] [blame] | 355 | .global art_initialize_type_and_verify_access_from_code |
| 356 | .extern artInitializeTypeAndVerifyAccessFromCode |
| 357 | /* |
| 358 | * Entry from managed code when type_idx needs to be checked for access and dex cache may also |
| 359 | * miss |
| 360 | */ |
| 361 | art_initialize_type_and_verify_access_from_code: |
| 362 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 363 | mov r2, r9 @ pass Thread::Current |
| 364 | mov r3, sp @ pass SP |
| 365 | @ artInitializeTypeFromCode(uint32_t type_idx, Method* referrer, Thread*, SP) |
| 366 | bl artInitializeTypeAndVerifyAccessFromCode |
| 367 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 368 | cmp r0, #0 @ success if result is non-null |
| 369 | bxne lr @ return on success |
| 370 | DELIVER_PENDING_EXCEPTION |
| 371 | |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 372 | .global art_get32_static_from_code |
| 373 | .extern artGet32StaticFromCode |
| 374 | /* |
| 375 | * Called by managed code to resolve a static field and load a 32-bit primitive value |
| 376 | */ |
| 377 | art_get32_static_from_code: |
| 378 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 379 | ldr r1, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 380 | mov r2, r9 @ pass Thread::Current |
| 381 | mov r3, sp @ pass SP |
| 382 | bl artGet32StaticFromCode @ (uint32_t field_idx, const Method* referrer, Thread*, SP) |
| 383 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 384 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 385 | cmp r12, #0 @ success if no exception is pending |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 386 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 387 | DELIVER_PENDING_EXCEPTION |
| 388 | |
| 389 | .global art_get64_static_from_code |
| 390 | .extern artGet64StaticFromCode |
| 391 | /* |
| 392 | * Called by managed code to resolve a static field and load a 64-bit primitive value |
| 393 | */ |
| 394 | art_get64_static_from_code: |
| 395 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 396 | ldr r1, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 397 | mov r2, r9 @ pass Thread::Current |
| 398 | mov r3, sp @ pass SP |
| 399 | bl artGet64StaticFromCode @ (uint32_t field_idx, const Method* referrer, Thread*, SP) |
| 400 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 401 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 402 | cmp r12, #0 @ success if no exception is pending |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 403 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 404 | DELIVER_PENDING_EXCEPTION |
| 405 | |
| 406 | .global art_get_obj_static_from_code |
| 407 | .extern artGetObjStaticFromCode |
| 408 | /* |
| 409 | * Called by managed code to resolve a static field and load an object reference |
| 410 | */ |
| 411 | art_get_obj_static_from_code: |
| 412 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 413 | ldr r1, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 414 | mov r2, r9 @ pass Thread::Current |
| 415 | mov r3, sp @ pass SP |
| 416 | bl artGetObjStaticFromCode @ (uint32_t field_idx, const Method* referrer, Thread*, SP) |
| 417 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 418 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 419 | cmp r12, #0 @ success if no exception is pending |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 420 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 421 | DELIVER_PENDING_EXCEPTION |
| 422 | |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 423 | .global art_get32_instance_from_code |
| 424 | .extern artGet32InstanceFromCode |
| 425 | /* |
| 426 | * Called by managed code to resolve an instance field and load a 32-bit primitive value |
| 427 | */ |
| 428 | art_get32_instance_from_code: |
| 429 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 430 | ldr r2, [sp, #32] @ pass referrer |
| 431 | mov r3, r9 @ pass Thread::Current |
| 432 | str sp, [sp, #0] @ pass SP |
| 433 | bl artGet32InstanceFromCode @ (field_idx, Object*, referrer, Thread*, SP) |
| 434 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 435 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 436 | cmp r12, #0 @ success if no exception is pending |
| 437 | bxeq lr @ return on success |
| 438 | DELIVER_PENDING_EXCEPTION |
| 439 | |
| 440 | .global art_get64_instance_from_code |
| 441 | .extern artGet64InstanceFromCode |
| 442 | /* |
| 443 | * Called by managed code to resolve an instance field and load a 64-bit primitive value |
| 444 | */ |
| 445 | art_get64_instance_from_code: |
| 446 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 447 | ldr r2, [sp, #32] @ pass referrer |
| 448 | mov r3, r9 @ pass Thread::Current |
| 449 | str sp, [sp, #0] @ pass SP |
| 450 | bl artGet64InstanceFromCode @ (field_idx, Object*, referrer, Thread*, SP) |
| 451 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 452 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 453 | cmp r12, #0 @ success if no exception is pending |
| 454 | bxeq lr @ return on success |
| 455 | DELIVER_PENDING_EXCEPTION |
| 456 | |
| 457 | .global art_get_obj_instance_from_code |
| 458 | .extern artGetObjInstanceFromCode |
| 459 | /* |
| 460 | * Called by managed code to resolve an instance field and load an object reference |
| 461 | */ |
| 462 | art_get_obj_instance_from_code: |
| 463 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 464 | ldr r2, [sp, #32] @ pass referrer |
| 465 | mov r3, r9 @ pass Thread::Current |
| 466 | str sp, [sp, #0] @ pass SP |
| 467 | bl artGetObjInstanceFromCode @ (field_idx, Object*, referrer, Thread*, SP) |
| 468 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
| 469 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 470 | cmp r12, #0 @ success if no exception is pending |
| 471 | bxeq lr @ return on success |
| 472 | DELIVER_PENDING_EXCEPTION |
| 473 | |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 474 | .global art_set32_static_from_code |
| 475 | .extern artSet32StaticFromCode |
| 476 | /* |
| 477 | * Called by managed code to resolve a static field and store a 32-bit primitive value |
| 478 | */ |
| 479 | art_set32_static_from_code: |
| 480 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 481 | ldr r2, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 482 | mov r3, r9 @ pass Thread::Current |
| 483 | str sp, [sp, #0] @ pass SP |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 484 | bl artSet32StaticFromCode @ (field_idx, new_val, referrer, Thread*, SP) |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 485 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 486 | cmp r0, #0 @ success if result is 0 |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 487 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 488 | DELIVER_PENDING_EXCEPTION |
| 489 | |
| 490 | .global art_set64_static_from_code |
| 491 | .extern artSet32StaticFromCode |
| 492 | /* |
| 493 | * Called by managed code to resolve a static field and store a 64-bit primitive value |
| 494 | */ |
| 495 | art_set64_static_from_code: |
| 496 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 497 | ldr r1, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 498 | mov r12, sp @ save SP |
| 499 | sub sp, #8 @ grow frame for alignment with stack args |
| 500 | push {r9, r12} @ pass Thread::Current and SP |
| 501 | bl artSet64StaticFromCode @ (field_idx, referrer, new_val, Thread*, SP) |
| 502 | add sp, #16 @ release out args |
| 503 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME @ TODO: we can clearly save an add here |
| 504 | cmp r0, #0 @ success if result is 0 |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 505 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 506 | DELIVER_PENDING_EXCEPTION |
| 507 | |
| 508 | .global art_set_obj_static_from_code |
| 509 | .extern artSetObjStaticFromCode |
| 510 | /* |
| 511 | * Called by managed code to resolve a static field and store an object reference |
| 512 | */ |
| 513 | art_set_obj_static_from_code: |
| 514 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 515 | ldr r2, [sp, #32] @ pass referrer |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 516 | mov r3, r9 @ pass Thread::Current |
| 517 | str sp, [sp, #0] @ pass SP |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 518 | bl artSetObjStaticFromCode @ (field_idx, new_val, referrer, Thread*, SP) |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 519 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 520 | cmp r0, #0 @ success if result is 0 |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 521 | bxeq lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 522 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | cbba6ac | 2011-09-22 16:28:37 -0700 | [diff] [blame] | 523 | |
Ian Rogers | 1bddec3 | 2012-02-04 12:27:34 -0800 | [diff] [blame] | 524 | .global art_set32_instance_from_code |
| 525 | .extern artSet32InstanceFromCode |
| 526 | /* |
| 527 | * Called by managed code to resolve an instance field and store a 32-bit primitive value |
| 528 | */ |
| 529 | art_set32_instance_from_code: |
| 530 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 531 | ldr r3, [sp, #32] @ pass referrer |
| 532 | mov r12, sp @ save SP |
| 533 | sub sp, #8 @ grow frame for alignment with stack args |
| 534 | push {r9, r12} @ pass Thread::Current and SP |
| 535 | bl artSet32InstanceFromCode @ (field_idx, Object*, new_val, referrer, Thread*, SP) |
| 536 | add sp, #16 @ release out args |
| 537 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME @ TODO: we can clearly save an add here |
| 538 | cmp r0, #0 @ success if result is 0 |
| 539 | bxeq lr @ return on success |
| 540 | DELIVER_PENDING_EXCEPTION |
| 541 | |
| 542 | .global art_set64_instance_from_code |
| 543 | .extern artSet32InstanceFromCode |
| 544 | /* |
| 545 | * Called by managed code to resolve an instance field and store a 64-bit primitive value |
| 546 | */ |
| 547 | art_set64_instance_from_code: |
| 548 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 549 | mov r12, sp @ save SP |
| 550 | sub sp, #8 @ grow frame for alignment with stack args |
| 551 | push {r9, r12} @ pass Thread::Current and SP |
| 552 | bl artSet64InstanceFromCode @ (field_idx, Object*, new_val, Thread*, SP) |
| 553 | add sp, #16 @ release out args |
| 554 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME @ TODO: we can clearly save an add here |
| 555 | cmp r0, #0 @ success if result is 0 |
| 556 | bxeq lr @ return on success |
| 557 | DELIVER_PENDING_EXCEPTION |
| 558 | |
| 559 | .global art_set_obj_instance_from_code |
| 560 | .extern artSetObjInstanceFromCode |
| 561 | /* |
| 562 | * Called by managed code to resolve an instance field and store an object reference |
| 563 | */ |
| 564 | art_set_obj_instance_from_code: |
| 565 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 566 | ldr r3, [sp, #32] @ pass referrer |
| 567 | mov r12, sp @ save SP |
| 568 | sub sp, #8 @ grow frame for alignment with stack args |
| 569 | push {r9, r12} @ pass Thread::Current and SP |
| 570 | bl artSetObjInstanceFromCode @ (field_idx, Object*, new_val, referrer, Thread*, SP) |
| 571 | add sp, #16 @ release out args |
| 572 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME @ TODO: we can clearly save an add here |
| 573 | cmp r0, #0 @ success if result is 0 |
| 574 | bxeq lr @ return on success |
| 575 | DELIVER_PENDING_EXCEPTION |
| 576 | |
buzbee | 48d7222 | 2012-01-11 15:19:51 -0800 | [diff] [blame] | 577 | .global art_resolve_method_from_code |
| 578 | .extern artResolveMethodFromCode |
| 579 | /* |
| 580 | * Entry from managed code to resolve a method. |
| 581 | */ |
| 582 | art_resolve_method_from_code: |
| 583 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 584 | mov r3, r9 @ pass Thread::Current |
| 585 | str sp, [sp, #0] @ pass SP |
| 586 | @ artResolveMethodFromCode(Method* referrer, uint32_t method_idx, bool is_direct, Thread*, SP) |
| 587 | bl artResolveMethodFromCode |
| 588 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 589 | cmp r0, #0 @ success if result is non-null |
| 590 | bxne lr @ return on success |
| 591 | DELIVER_PENDING_EXCEPTION |
| 592 | |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 593 | .global art_resolve_string_from_code |
| 594 | .extern artResolveStringFromCode |
| 595 | /* |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 596 | * Entry from managed code to resolve a string, this stub will allocate a String and deliver an |
| 597 | * exception on error. On success the String is returned. R0 holds the referring method, |
| 598 | * R1 holds the string index. The fast path check for hit in strings cache has already been |
| 599 | * performed. |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 600 | */ |
Brian Carlstrom | 6f495f2 | 2011-10-10 15:05:03 -0700 | [diff] [blame] | 601 | art_resolve_string_from_code: |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 602 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 603 | mov r2, r9 @ pass Thread::Current |
| 604 | mov r3, sp @ pass SP |
| 605 | @ artResolveStringFromCode(Method* referrer, uint32_t string_idx, Thread*, SP) |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 606 | bl artResolveStringFromCode |
| 607 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
Ian Rogers | caab8c4 | 2011-10-12 12:11:18 -0700 | [diff] [blame] | 608 | cmp r0, #0 @ success if result is non-null |
| 609 | bxne lr @ return on success |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 610 | DELIVER_PENDING_EXCEPTION |
| 611 | |
Brian Carlstrom | 6fd03fb | 2011-10-17 16:11:00 -0700 | [diff] [blame] | 612 | .global art_object_init_from_code |
| 613 | .extern artObjectInitFromCode |
| 614 | /* |
| 615 | * Entry from managed code to perform Object.<init> string. R0 holds the object to initialize. |
| 616 | * On success, 0 is returned. Otherwise there is a pending exception to deliver. |
| 617 | */ |
| 618 | art_object_init_from_code: |
| 619 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 620 | mov r1, r9 @ pass Thread::Current |
| 621 | mov r2, sp @ pass SP |
| 622 | @ artObjectInitFromCode(Object* o, Thread*, SP) |
| 623 | bl artObjectInitFromCode |
| 624 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 625 | cmp r0, #0 @ success if result is zero |
| 626 | bxeq lr @ return on success |
| 627 | DELIVER_PENDING_EXCEPTION |
| 628 | |
Ian Rogers | 21d9e83 | 2011-09-23 17:05:09 -0700 | [diff] [blame] | 629 | .global art_alloc_object_from_code |
| 630 | .extern artAllocObjectFromCode |
| 631 | /* |
| 632 | * Called by managed code to allocate an object |
| 633 | */ |
| 634 | art_alloc_object_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 635 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 636 | mov r2, r9 @ pass Thread::Current |
| 637 | mov r3, sp @ pass SP |
| 638 | bl artAllocObjectFromCode @ (uint32_t type_idx, Method* method, Thread*, SP) |
| 639 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 640 | cmp r0, #0 @ success if result is non-null |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 641 | bxne lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 642 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | 21d9e83 | 2011-09-23 17:05:09 -0700 | [diff] [blame] | 643 | |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 644 | .global art_alloc_object_from_code_with_access_check |
| 645 | .extern artAllocObjectFromCodeWithAccessCheck |
buzbee | cc4540e | 2011-10-27 13:06:03 -0700 | [diff] [blame] | 646 | /* |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 647 | * Called by managed code to allocate an object when the caller doesn't know whether it has |
| 648 | * access to the created type |
buzbee | cc4540e | 2011-10-27 13:06:03 -0700 | [diff] [blame] | 649 | */ |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 650 | art_alloc_object_from_code_with_access_check: |
buzbee | cc4540e | 2011-10-27 13:06:03 -0700 | [diff] [blame] | 651 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 652 | mov r2, r9 @ pass Thread::Current |
| 653 | mov r3, sp @ pass SP |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 654 | bl artAllocObjectFromCodeWithAccessCheck @ (uint32_t type_idx, Method* method, Thread*, SP) |
buzbee | cc4540e | 2011-10-27 13:06:03 -0700 | [diff] [blame] | 655 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 656 | cmp r0, #0 @ success if result is non-null |
| 657 | bxne lr @ return on success |
| 658 | DELIVER_PENDING_EXCEPTION |
| 659 | |
Elliott Hughes | b408de7 | 2011-10-04 14:35:05 -0700 | [diff] [blame] | 660 | .global art_alloc_array_from_code |
| 661 | .extern artAllocArrayFromCode |
Ian Rogers | b886da8 | 2011-09-23 16:27:54 -0700 | [diff] [blame] | 662 | /* |
| 663 | * Called by managed code to allocate an array |
| 664 | */ |
Elliott Hughes | b408de7 | 2011-10-04 14:35:05 -0700 | [diff] [blame] | 665 | art_alloc_array_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 666 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 667 | mov r3, r9 @ pass Thread::Current |
| 668 | str sp, [sp, #0] @ pass SP |
| 669 | @ artAllocArrayFromCode(uint32_t type_idx, Method* method, int32_t component_count, Thread*, SP) |
| 670 | bl artAllocArrayFromCode |
| 671 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 672 | cmp r0, #0 @ success if result is non-null |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 673 | bxne lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 674 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | b886da8 | 2011-09-23 16:27:54 -0700 | [diff] [blame] | 675 | |
Ian Rogers | 0eb7d7e | 2012-01-31 21:12:32 -0800 | [diff] [blame] | 676 | .global art_alloc_array_from_code_with_access_check |
| 677 | .extern artAllocArrayFromCodeWithAccessCheck |
| 678 | /* |
| 679 | * Called by managed code to allocate an array when the caller doesn't know whether it has |
| 680 | * access to the created type |
| 681 | */ |
| 682 | art_alloc_array_from_code_with_access_check: |
| 683 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 684 | mov r3, r9 @ pass Thread::Current |
| 685 | str sp, [sp, #0] @ pass SP |
| 686 | @ artAllocArrayFromCodeWithAccessCheck(type_idx, method, component_count, Thread*, SP) |
| 687 | bl artAllocArrayFromCodeWithAccessCheck |
| 688 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 689 | cmp r0, #0 @ success if result is non-null |
| 690 | bxne lr @ return on success |
| 691 | DELIVER_PENDING_EXCEPTION |
| 692 | |
Elliott Hughes | b408de7 | 2011-10-04 14:35:05 -0700 | [diff] [blame] | 693 | .global art_check_and_alloc_array_from_code |
| 694 | .extern artCheckAndAllocArrayFromCode |
Ian Rogers | b886da8 | 2011-09-23 16:27:54 -0700 | [diff] [blame] | 695 | /* |
Ian Rogers | 0eb7d7e | 2012-01-31 21:12:32 -0800 | [diff] [blame] | 696 | * Called by managed code to allocate an array in a special case for OP_FILLED_NEW_ARRAY |
Ian Rogers | b886da8 | 2011-09-23 16:27:54 -0700 | [diff] [blame] | 697 | */ |
Elliott Hughes | b408de7 | 2011-10-04 14:35:05 -0700 | [diff] [blame] | 698 | art_check_and_alloc_array_from_code: |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 699 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 700 | mov r3, r9 @ pass Thread::Current |
| 701 | str sp, [sp, #0] @ pass SP |
| 702 | @ artCheckAndAllocArrayFromCode(uint32_t type_idx, Method* method, int32_t count, Thread* , SP) |
| 703 | bl artCheckAndAllocArrayFromCode |
| 704 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 705 | cmp r0, #0 @ success if result is non-null |
Ian Rogers | ae67599 | 2011-10-09 17:10:22 -0700 | [diff] [blame] | 706 | bxne lr @ return on success |
Ian Rogers | ce9eca6 | 2011-10-07 17:11:03 -0700 | [diff] [blame] | 707 | DELIVER_PENDING_EXCEPTION |
Ian Rogers | b886da8 | 2011-09-23 16:27:54 -0700 | [diff] [blame] | 708 | |
Ian Rogers | 0eb7d7e | 2012-01-31 21:12:32 -0800 | [diff] [blame] | 709 | .global art_check_and_alloc_array_from_code_with_access_check |
| 710 | .extern artCheckAndAllocArrayFromCodeWithAccessCheck |
| 711 | /* |
| 712 | * Called by managed code to allocate an array in a special case for OP_FILLED_NEW_ARRAY |
| 713 | */ |
| 714 | art_check_and_alloc_array_from_code_with_access_check: |
| 715 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves in case of GC |
| 716 | mov r3, r9 @ pass Thread::Current |
| 717 | str sp, [sp, #0] @ pass SP |
| 718 | @ artCheckAndAllocArrayFromCodeWithAccessCheck(type_idx, method, count, Thread* , SP) |
| 719 | bl artCheckAndAllocArrayFromCodeWithAccessCheck |
| 720 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 721 | cmp r0, #0 @ success if result is non-null |
| 722 | bxne lr @ return on success |
| 723 | DELIVER_PENDING_EXCEPTION |
| 724 | |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 725 | .global art_test_suspend |
Ian Rogers | 4a510d8 | 2011-10-09 14:30:24 -0700 | [diff] [blame] | 726 | .extern artTestSuspendFromCode |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 727 | /* |
| 728 | * Called by managed code when the value in rSUSPEND has been decremented to 0 |
| 729 | */ |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 730 | art_test_suspend: |
| 731 | ldr r0, [rSELF, #THREAD_SUSPEND_COUNT_OFFSET] |
| 732 | mov rSUSPEND, #SUSPEND_CHECK_INTERVAL @ reset rSUSPEND to SUSPEND_CHECK_INTERVAL |
| 733 | cmp r0, #0 @ check Thread::Current()->suspend_count_ == 0 |
| 734 | bxeq rLR @ return if suspend_count_ == 0 |
| 735 | mov r0, rSELF |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 736 | SETUP_REF_ONLY_CALLEE_SAVE_FRAME @ save callee saves for stack crawl |
buzbee | c10717a | 2011-10-09 14:40:13 -0700 | [diff] [blame] | 737 | mov r1, sp |
Ian Rogers | 4a510d8 | 2011-10-09 14:30:24 -0700 | [diff] [blame] | 738 | bl artTestSuspendFromCode @ (Thread*, SP) |
Ian Rogers | 4f0d07c | 2011-10-06 23:38:47 -0700 | [diff] [blame] | 739 | RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
| 740 | |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 741 | .global art_proxy_invoke_handler |
| 742 | .extern artProxyInvokeHandler |
| 743 | /* |
| 744 | * Called by managed code that is attempting to call a method on a proxy class. On entry |
| 745 | * r0 holds the proxy method; r1, r2 and r3 may contain arguments |
| 746 | */ |
| 747 | art_proxy_invoke_handler: |
| 748 | SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| 749 | str r0, [sp, #0] @ place proxy method at bottom of frame |
| 750 | mov r2, r9 @ pass Thread::Current |
| 751 | add r3, sp, #12 @ pointer to r2/r3/LR/caller's Method**/out-args as second arg |
| 752 | blx artProxyInvokeHandler @ (Method* proxy method, receiver, Thread*, args...) |
| 753 | ldr r12, [r9, #THREAD_EXCEPTION_OFFSET] @ load Thread::Current()->exception_ |
Ian Rogers | 466bb25 | 2011-10-14 03:29:56 -0700 | [diff] [blame] | 754 | ldr lr, [sp, #44] @ restore lr |
| 755 | ldrd r0, [sp, #12] @ load r0/r1 from r2/r3 that were overwritten with the out args |
| 756 | add sp, #48 @ pop frame |
Ian Rogers | dfcdf1a | 2011-10-10 17:50:35 -0700 | [diff] [blame] | 757 | cmp r12, #0 @ success if no exception is pending |
| 758 | bxeq lr @ return on success |
| 759 | DELIVER_PENDING_EXCEPTION |
| 760 | |
jeffhao | e343b76 | 2011-12-05 16:36:44 -0800 | [diff] [blame] | 761 | .global art_trace_entry_from_code |
| 762 | .extern artTraceMethodEntryFromCode |
| 763 | /* |
| 764 | * Routine that intercepts method calls |
| 765 | */ |
| 766 | art_trace_entry_from_code: |
| 767 | push {r0-r3} @ save arguments (4 words) |
| 768 | mov r1, r9 @ pass Thread::Current |
| 769 | mov r2, lr @ pass LR |
| 770 | blx artTraceMethodEntryFromCode @ (Method*, Thread*, LR) |
| 771 | mov r12, r0 @ r12 holds reference to code |
| 772 | pop {r0-r3} @ restore arguments |
| 773 | blx r12 @ call method |
| 774 | /* intentional fallthrough */ |
| 775 | |
| 776 | .global art_trace_exit_from_code |
| 777 | .extern artTraceMethodExitFromCode |
| 778 | /* |
| 779 | * Routine that intercepts method returns |
| 780 | */ |
| 781 | art_trace_exit_from_code: |
| 782 | push {r0-r1} @ save return value |
| 783 | blx artTraceMethodExitFromCode @ () |
| 784 | mov lr, r0 @ restore link register |
| 785 | pop {r0, r1} @ restore return value |
| 786 | bx lr @ return |
| 787 | |
buzbee | 5433072 | 2011-08-23 16:46:55 -0700 | [diff] [blame] | 788 | .global art_shl_long |
| 789 | art_shl_long: |
| 790 | /* |
| 791 | * Long integer shift. This is different from the generic 32/64-bit |
| 792 | * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| 793 | * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| 794 | * 6 bits. |
| 795 | * On entry: |
| 796 | * r0: low word |
| 797 | * r1: high word |
| 798 | * r2: shift count |
| 799 | */ |
| 800 | /* shl-long vAA, vBB, vCC */ |
| 801 | and r2, r2, #63 @ r2<- r2 & 0x3f |
| 802 | mov r1, r1, asl r2 @ r1<- r1 << r2 |
| 803 | rsb r3, r2, #32 @ r3<- 32 - r2 |
| 804 | orr r1, r1, r0, lsr r3 @ r1<- r1 | (r0 << (32-r2)) |
| 805 | subs ip, r2, #32 @ ip<- r2 - 32 |
| 806 | movpl r1, r0, asl ip @ if r2 >= 32, r1<- r0 << (r2-32) |
| 807 | mov r0, r0, asl r2 @ r0<- r0 << r2 |
| 808 | bx lr |
| 809 | |
| 810 | .balign 4 |
| 811 | .global art_shr_long |
| 812 | art_shr_long: |
| 813 | /* |
| 814 | * Long integer shift. This is different from the generic 32/64-bit |
| 815 | * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| 816 | * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| 817 | * 6 bits. |
| 818 | * On entry: |
| 819 | * r0: low word |
| 820 | * r1: high word |
| 821 | * r2: shift count |
| 822 | */ |
| 823 | /* shr-long vAA, vBB, vCC */ |
| 824 | and r2, r2, #63 @ r0<- r0 & 0x3f |
| 825 | mov r0, r0, lsr r2 @ r0<- r2 >> r2 |
| 826 | rsb r3, r2, #32 @ r3<- 32 - r2 |
| 827 | orr r0, r0, r1, asl r3 @ r0<- r0 | (r1 << (32-r2)) |
| 828 | subs ip, r2, #32 @ ip<- r2 - 32 |
| 829 | movpl r0, r1, asr ip @ if r2 >= 32, r0<-r1 >> (r2-32) |
| 830 | mov r1, r1, asr r2 @ r1<- r1 >> r2 |
| 831 | bx lr |
| 832 | |
| 833 | .balign 4 |
| 834 | .global art_ushr_long |
| 835 | art_ushr_long: |
| 836 | /* |
| 837 | * Long integer shift. This is different from the generic 32/64-bit |
| 838 | * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| 839 | * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| 840 | * 6 bits. |
| 841 | * On entry: |
| 842 | * r0: low word |
| 843 | * r1: high word |
| 844 | * r2: shift count |
| 845 | */ |
| 846 | /* ushr-long vAA, vBB, vCC */ |
| 847 | and r2, r2, #63 @ r0<- r0 & 0x3f |
| 848 | mov r0, r0, lsr r2 @ r0<- r2 >> r2 |
| 849 | rsb r3, r2, #32 @ r3<- 32 - r2 |
| 850 | orr r0, r0, r1, asl r3 @ r0<- r0 | (r1 << (32-r2)) |
| 851 | subs ip, r2, #32 @ ip<- r2 - 32 |
| 852 | movpl r0, r1, lsr ip @ if r2 >= 32, r0<-r1 >>> (r2-32) |
| 853 | mov r1, r1, lsr r2 @ r1<- r1 >>> r2 |
| 854 | bx lr |