| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "asm_support.h" |
| |
| .set noreorder |
| .balign 4 |
| |
| /* Deliver the given exception */ |
| .extern artDeliverExceptionFromCode |
| /* Deliver an exception pending on a thread */ |
| .extern artDeliverPendingExceptionFromCode |
| |
| /* Cache alignment for function entry */ |
| .macro ENTRY name |
| .type \name, %function |
| .global \name |
| .balign 16 |
| \name: |
| .cfi_startproc |
| .endm |
| |
| .macro END name |
| .cfi_endproc |
| .size \name, .-\name |
| .endm |
| |
| /* Generates $gp for function calls */ |
| .macro GENERATE_GLOBAL_POINTER |
| .cpload $t9 |
| .endm |
| |
| /* |
| * Macro that sets up the callee save frame to conform with |
| * Runtime::CreateCalleeSaveMethod(kSaveAll) |
| * callee-save: $s0-$s8 + $ra, 10 total + 4 words |
| */ |
| .macro SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| addiu $sp, $sp, -64 |
| .cfi_adjust_cfa_offset 64 |
| sw $ra, 60($sp) |
| .cfi_rel_offset 31, 60 |
| sw $s8, 56($sp) |
| .cfi_rel_offset 30, 56 |
| sw $s7, 52($sp) |
| .cfi_rel_offset 23, 52 |
| sw $s6, 48($sp) |
| .cfi_rel_offset 22, 48 |
| sw $s5, 44($sp) |
| .cfi_rel_offset 21, 44 |
| sw $s4, 40($sp) |
| .cfi_rel_offset 20, 40 |
| sw $s3, 36($sp) |
| .cfi_rel_offset 19, 36 |
| sw $s2, 32($sp) |
| .cfi_rel_offset 18, 32 |
| sw $s1, 28($sp) |
| .cfi_rel_offset 17, 28 |
| sw $s0, 24($sp) |
| .cfi_rel_offset 16, 24 |
| # 2 words for alignment, 4 open words for args $a0-$a3, bottom will hold Method* |
| .endm |
| |
| /* |
| * Macro that sets up the callee save frame to conform with |
| * Runtime::CreateCalleeSaveMethod(kRefsOnly). Restoration assumes non-moving GC. |
| * Does not include rSUSPEND or rSELF |
| * callee-save: $s2-$s8 + $ra, 8 total + 4 words + extra args + gp |
| */ |
| .macro SETUP_REF_ONLY_CALLEE_SAVE_FRAME |
| addiu $sp, $sp, -64 |
| .cfi_adjust_cfa_offset 64 |
| sw $ra, 60($sp) |
| .cfi_rel_offset 31, 60 |
| sw $s8, 56($sp) |
| .cfi_rel_offset 30, 56 |
| sw $s7, 52($sp) |
| .cfi_rel_offset 23, 52 |
| sw $s6, 48($sp) |
| .cfi_rel_offset 22, 48 |
| sw $s5, 44($sp) |
| .cfi_rel_offset 21, 44 |
| sw $s4, 40($sp) |
| .cfi_rel_offset 20, 40 |
| sw $s3, 36($sp) |
| .cfi_rel_offset 19, 36 |
| sw $s2, 32($sp) |
| .cfi_rel_offset 18, 32 |
| sw $gp, 28($sp) |
| .cfi_rel_offset 28, 28 |
| # 3 words for alignment and extra args, 4 open words for args $a0-$a3, bottom will hold Method* |
| .endm |
| |
| .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| lw $gp, 28($sp) |
| lw $ra, 60($sp) |
| addiu $sp, $sp, 64 |
| .cfi_adjust_cfa_offset -64 |
| .endm |
| |
| .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
| lw $ra, 60($sp) |
| jr $ra |
| addiu $sp, $sp, 64 |
| .cfi_adjust_cfa_offset -64 |
| .endm |
| |
| /* |
| * Macro that sets up the callee save frame to conform with |
| * Runtime::CreateCalleeSaveMethod(kRefsAndArgs). Restoration assumes non-moving GC. |
| * $a1-$a3, $s2-$s8, $ra, 11 total + Method* |
| */ |
| .macro SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| addiu $sp, $sp, -48 |
| .cfi_adjust_cfa_offset 48 |
| sw $ra, 44($sp) |
| .cfi_rel_offset 31, 44 |
| sw $s8, 40($sp) |
| .cfi_rel_offset 30, 40 |
| sw $s7, 36($sp) |
| .cfi_rel_offset 23, 36 |
| sw $s6, 32($sp) |
| .cfi_rel_offset 22, 32 |
| sw $s5, 28($sp) |
| .cfi_rel_offset 21, 28 |
| sw $s4, 24($sp) |
| .cfi_rel_offset 20, 24 |
| sw $s3, 20($sp) |
| .cfi_rel_offset 19, 20 |
| sw $s2, 16($sp) |
| .cfi_rel_offset 18, 16 |
| sw $a3, 12($sp) |
| .cfi_rel_offset 7, 12 |
| sw $a2, 8($sp) |
| .cfi_rel_offset 6, 8 |
| sw $a1, 4($sp) |
| .cfi_rel_offset 5, 4 |
| # bottom will hold Method* |
| .endm |
| |
| .macro RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| lw $ra, 44($sp) # restore $ra |
| lw $a1, 4($sp) # restore non-callee save $a1 |
| lw $a2, 8($sp) # restore non-callee save $a2 |
| lw $a3, 12($sp) # restore non-callee save $a3 |
| addiu $sp, $sp, 48 # strip frame |
| .cfi_adjust_cfa_offset -48 |
| .endm |
| |
| /* |
| * Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending |
| * exception is Thread::Current()->exception_ |
| */ |
| .macro DELIVER_PENDING_EXCEPTION |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME # save callee saves for throw |
| move $a0, rSELF # pass Thread::Current |
| la $t9, artDeliverPendingExceptionFromCode |
| jr $t9 # artDeliverPendingExceptionFromCode(Thread*, $sp) |
| move $a1, $sp # pass $sp |
| .endm |
| |
| .macro RETURN_IF_NO_EXCEPTION |
| lw $t0, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_ |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| bnez $t0, 1f # success if no exception is pending |
| nop |
| jr $ra |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| .endm |
| |
| .macro RETURN_IF_ZERO |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| bnez $v0, 1f # success? |
| nop |
| jr $ra # return on success |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| .endm |
| |
| .macro RETURN_IF_NONZERO |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| beqz $v0, 1f # success? |
| nop |
| jr $ra # return on success |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| .endm |
| |
| /* |
| * On entry, $a0 and $a1 must be preserved, $a2 is dex PC |
| */ |
| .extern artUpdateDebuggerFromCode |
| ENTRY art_quick_update_debugger |
| GENERATE_GLOBAL_POINTER |
| move $a3, $a0 # stash away $a0 so that it's saved as if it were an argument |
| SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| move $a0, $a2 # arg0 is dex PC |
| move $a1, rSELF # arg1 is Thread* |
| move $a2, $sp # arg2 is $sp |
| jal artUpdateDebuggerFromCode # artUpdateDebuggerFromCode(int32_t, Thread*, Method**) |
| nop |
| RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| jr $ra |
| move $a0, $a3 # restore original $a0 |
| END art_quick_update_debugger |
| |
| /* |
| * On entry $a0 is uint32_t* gprs_ and $a1 is uint32_t* fprs_ |
| * FIXME: just guessing about the shape of the jmpbuf. Where will pc be? |
| */ |
| ENTRY art_quick_do_long_jump |
| l.s $f0, 0($a1) |
| l.s $f1, 4($a1) |
| l.s $f2, 8($a1) |
| l.s $f3, 12($a1) |
| l.s $f4, 16($a1) |
| l.s $f5, 20($a1) |
| l.s $f6, 24($a1) |
| l.s $f7, 28($a1) |
| l.s $f8, 32($a1) |
| l.s $f9, 36($a1) |
| l.s $f10, 40($a1) |
| l.s $f11, 44($a1) |
| l.s $f12, 48($a1) |
| l.s $f13, 52($a1) |
| l.s $f14, 56($a1) |
| l.s $f15, 60($a1) |
| l.s $f16, 64($a1) |
| l.s $f17, 68($a1) |
| l.s $f18, 72($a1) |
| l.s $f19, 76($a1) |
| l.s $f20, 80($a1) |
| l.s $f21, 84($a1) |
| l.s $f22, 88($a1) |
| l.s $f23, 92($a1) |
| l.s $f24, 96($a1) |
| l.s $f25, 100($a1) |
| l.s $f26, 104($a1) |
| l.s $f27, 108($a1) |
| l.s $f28, 112($a1) |
| l.s $f29, 116($a1) |
| l.s $f30, 120($a1) |
| l.s $f31, 124($a1) |
| lw $at, 4($a0) |
| lw $v0, 8($a0) |
| lw $v1, 12($a0) |
| lw $a1, 20($a0) |
| lw $a2, 24($a0) |
| lw $a3, 28($a0) |
| lw $t0, 32($a0) |
| lw $t1, 36($a0) |
| lw $t2, 40($a0) |
| lw $t3, 44($a0) |
| lw $t4, 48($a0) |
| lw $t5, 52($a0) |
| lw $t6, 56($a0) |
| lw $t7, 60($a0) |
| lw $s0, 64($a0) |
| lw $s1, 68($a0) |
| lw $s2, 72($a0) |
| lw $s3, 76($a0) |
| lw $s4, 80($a0) |
| lw $s5, 84($a0) |
| lw $s6, 88($a0) |
| lw $s7, 92($a0) |
| lw $t8, 96($a0) |
| lw $t9, 100($a0) |
| lw $k0, 104($a0) |
| lw $k1, 108($a0) |
| lw $gp, 112($a0) |
| lw $sp, 116($a0) |
| lw $fp, 120($a0) |
| lw $ra, 124($a0) |
| lw $a0, 16($a0) |
| move $v0, $zero # clear result registers r0 and r1 |
| jr $ra # do long jump |
| move $v1, $zero |
| END art_quick_do_long_jump |
| |
| /* |
| * Called by managed code, saves most registers (forms basis of long jump context) and passes |
| * the bottom of the stack. artDeliverExceptionFromCode will place the callee save Method* at |
| * the bottom of the thread. On entry r0 holds Throwable* |
| */ |
| ENTRY art_quick_deliver_exception_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a1, rSELF # pass Thread::Current |
| la $t9, artDeliverExceptionFromCode |
| jr $t9 # artDeliverExceptionFromCode(Throwable*, Thread*, $sp) |
| move $a2, $sp # pass $sp |
| END art_quick_deliver_exception_from_code |
| |
| /* |
| * Called by managed code to create and deliver a NullPointerException |
| */ |
| .extern artThrowNullPointerExceptionFromCode |
| ENTRY art_quick_throw_null_pointer_exception_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a0, rSELF # pass Thread::Current |
| la $t9, artThrowNullPointerExceptionFromCode |
| jr $t9 # artThrowNullPointerExceptionFromCode(Thread*, $sp) |
| move $a1, $sp # pass $sp |
| END art_quick_throw_null_pointer_exception_from_code |
| |
| /* |
| * Called by managed code to create and deliver an ArithmeticException |
| */ |
| .extern artThrowDivZeroFromCode |
| ENTRY art_quick_throw_div_zero_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a0, rSELF # pass Thread::Current |
| la $t9, artThrowDivZeroFromCode |
| jr $t9 # artThrowDivZeroFromCode(Thread*, $sp) |
| move $a1, $sp # pass $sp |
| END art_quick_throw_div_zero_from_code |
| |
| /* |
| * Called by managed code to create and deliver an ArrayIndexOutOfBoundsException |
| */ |
| .extern artThrowArrayBoundsFromCode |
| ENTRY art_quick_throw_array_bounds_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a2, rSELF # pass Thread::Current |
| la $t9, artThrowArrayBoundsFromCode |
| jr $t9 # artThrowArrayBoundsFromCode(index, limit, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| END art_quick_throw_array_bounds_from_code |
| |
| /* |
| * Called by managed code to create and deliver a StackOverflowError. |
| */ |
| .extern artThrowStackOverflowFromCode |
| ENTRY art_quick_throw_stack_overflow_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a0, rSELF # pass Thread::Current |
| la $t9, artThrowStackOverflowFromCode |
| jr $t9 # artThrowStackOverflowFromCode(Thread*, $sp) |
| move $a1, $sp # pass $sp |
| END art_quick_throw_stack_overflow_from_code |
| |
| /* |
| * Called by managed code to create and deliver a NoSuchMethodError. |
| */ |
| .extern artThrowNoSuchMethodFromCode |
| ENTRY art_quick_throw_no_such_method_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_SAVE_ALL_CALLEE_SAVE_FRAME |
| move $a1, rSELF # pass Thread::Current |
| la $t9, artThrowNoSuchMethodFromCode |
| jr $t9 # artThrowNoSuchMethodFromCode(method_idx, Thread*, $sp) |
| move $a2, $sp # pass $sp |
| END art_quick_throw_no_such_method_from_code |
| |
| /* |
| * All generated callsites for interface invokes and invocation slow paths will load arguments |
| * as usual - except instead of loading arg0/$a0 with the target Method*, arg0/$a0 will contain |
| * the method_idx. This wrapper will save arg1-arg3, load the caller's Method*, align the |
| * stack and call the appropriate C helper. |
| * NOTE: "this" is first visable argument of the target, and so can be found in arg1/$a1. |
| * |
| * The helper will attempt to locate the target and return a 64-bit result in $v0/$v1 consisting |
| * of the target Method* in $v0 and method->code_ in $v1. |
| * |
| * If unsuccessful, the helper will return NULL/NULL. There will be a pending exception in the |
| * thread and we branch to another stub to deliver it. |
| * |
| * On success this wrapper will restore arguments and *jump* to the target, leaving the lr |
| * pointing back to the original caller. |
| */ |
| .macro INVOKE_TRAMPOLINE c_name, cxx_name |
| .extern \cxx_name |
| ENTRY \c_name |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME # save callee saves in case allocation triggers GC |
| lw $a2, 48($sp) # pass caller Method* |
| move $t0, $sp # save $sp |
| addiu $sp, $sp, -16 # make space for extra args |
| .cfi_adjust_cfa_offset 16 |
| move $a3, rSELF # pass Thread::Current |
| sw $gp, 12($sp) # save $gp |
| .cfi_rel_offset 28, 12 |
| jal \cxx_name # (method_idx, this, caller, Thread*, $sp) |
| sw $t0, 16($sp) # pass $sp |
| lw $gp, 12($sp) # restore $gp |
| addiu $sp, $sp, 16 # release out args |
| .cfi_adjust_cfa_offset -16 |
| move $a0, $v0 # save target Method* |
| move $t9, $v1 # save $v0->code_ |
| RESTORE_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| beqz $v0, 1f |
| nop |
| jr $t9 |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| END \c_name |
| .endm |
| |
| INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline, artInvokeInterfaceTrampoline |
| INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck |
| |
| INVOKE_TRAMPOLINE art_quick_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_quick_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_quick_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck |
| INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck |
| |
| /* |
| * Common invocation stub for portable and quick. |
| * On entry: |
| * a0 = method pointer |
| * a1 = argument array or NULL for no argument methods |
| * a2 = size of argument array in bytes |
| * a3 = (managed) thread pointer |
| * [sp + 16] = JValue* result |
| * [sp + 20] = result type char |
| */ |
| .type art_portable_invoke_stub, %function |
| .global art_portable_invoke_stub |
| art_portable_invoke_stub: |
| ENTRY art_quick_invoke_stub |
| GENERATE_GLOBAL_POINTER |
| sw $a0, 0($sp) # save out a0 |
| addiu $sp, $sp, -16 # spill s0, s1, fp, ra |
| .cfi_adjust_cfa_offset 16 |
| sw $ra, 12($sp) |
| .cfi_rel_offset 31, 12 |
| sw $fp, 8($sp) |
| .cfi_rel_offset 30, 8 |
| sw $s1, 4($sp) |
| .cfi_rel_offset 17, 4 |
| sw $s0, 0($sp) |
| .cfi_rel_offset 16, 0 |
| move $fp, $sp # save sp in fp |
| .cfi_def_cfa_register 30 |
| move $s1, $a3 # move managed thread pointer into s1 |
| addiu $s0, $zero, SUSPEND_CHECK_INTERVAL # reset s0 to suspend check interval |
| addiu $t0, $a2, 16 # create space for method pointer in frame |
| srl $t0, $t0, 3 # shift the frame size right 3 |
| sll $t0, $t0, 3 # shift the frame size left 3 to align to 16 bytes |
| subu $sp, $sp, $t0 # reserve stack space for argument array |
| addiu $a0, $sp, 4 # pass stack pointer + method ptr as dest for memcpy |
| jal memcpy # (dest, src, bytes) |
| addiu $sp, $sp, -16 # make space for argument slots for memcpy |
| addiu $sp, $sp, 16 # restore stack after memcpy |
| lw $a0, 16($fp) # restore method* |
| lw $a1, 4($sp) # copy arg value for a1 |
| lw $a2, 8($sp) # copy arg value for a2 |
| lw $a3, 12($sp) # copy arg value for a3 |
| lw $t9, METHOD_CODE_OFFSET($a0) # get pointer to the code |
| jalr $t9 # call the method |
| sw $zero, 0($sp) # store NULL for method* at bottom of frame |
| move $sp, $fp # restore the stack |
| lw $s0, 0($sp) |
| lw $s1, 4($sp) |
| lw $fp, 8($sp) |
| lw $ra, 12($sp) |
| addiu $sp, $sp, 16 |
| .cfi_adjust_cfa_offset -16 |
| lw $t0, 16($sp) # get result pointer |
| lw $t1, 20($sp) # get result type char |
| li $t2, 68 # put char 'D' into t2 |
| beq $t1, $t2, 1f # branch if result type char == 'D' |
| li $t3, 70 # put char 'F' into t3 |
| beq $t1, $t3, 1f # branch if result type char == 'F' |
| sw $v0, 0($t0) # store the result |
| jr $ra |
| sw $v1, 4($t0) # store the other half of the result |
| 1: |
| s.s $f0, 0($t0) # store floating point result |
| jr $ra |
| s.s $f1, 4($t0) # store other half of floating point result |
| END art_quick_invoke_stub |
| .size art_portable_invoke_stub, .-art_portable_invoke_stub |
| |
| /* |
| * Entry point of native methods when JNI bug compatibility is enabled. |
| */ |
| .extern artWorkAroundAppJniBugs |
| ENTRY art_quick_work_around_app_jni_bugs |
| GENERATE_GLOBAL_POINTER |
| # save registers that may contain arguments and LR that will be crushed by a call |
| addiu $sp, $sp, -32 |
| .cfi_adjust_cfa_offset 32 |
| sw $ra, 28($sp) |
| .cfi_rel_offset 31, 28 |
| sw $a3, 24($sp) |
| .cfi_rel_offset 7, 28 |
| sw $a2, 20($sp) |
| .cfi_rel_offset 6, 28 |
| sw $a1, 16($sp) |
| .cfi_rel_offset 5, 28 |
| sw $a0, 12($sp) |
| .cfi_rel_offset 4, 28 |
| move $a0, rSELF # pass Thread::Current |
| jal artWorkAroundAppJniBugs # (Thread*, $sp) |
| move $a1, $sp # pass $sp |
| move $t9, $v0 # save target address |
| lw $a0, 12($sp) |
| lw $a1, 16($sp) |
| lw $a2, 20($sp) |
| lw $a3, 24($sp) |
| lw $ra, 28($sp) |
| jr $t9 # tail call into JNI routine |
| addiu $sp, $sp, 32 |
| .cfi_adjust_cfa_offset -32 |
| END art_quick_work_around_app_jni_bugs |
| |
| /* |
| * Entry from managed code that calls artHandleFillArrayDataFromCode and delivers exception on |
| * failure. |
| */ |
| .extern artHandleFillArrayDataFromCode |
| ENTRY art_quick_handle_fill_data_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case exception allocation triggers GC |
| move $a2, rSELF # pass Thread::Current |
| jal artHandleFillArrayDataFromCode # (Array*, const DexFile::Payload*, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_handle_fill_data_from_code |
| |
| /* |
| * Entry from managed code that calls artLockObjectFromCode, may block for GC. |
| */ |
| .extern artLockObjectFromCode |
| ENTRY art_quick_lock_object_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case we block |
| move $a1, rSELF # pass Thread::Current |
| jal artLockObjectFromCode # (Object* obj, Thread*, $sp) |
| move $a2, $sp # pass $sp |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
| END art_quick_lock_object_from_code |
| |
| /* |
| * Entry from managed code that calls artUnlockObjectFromCode and delivers exception on failure. |
| */ |
| .extern artUnlockObjectFromCode |
| ENTRY art_quick_unlock_object_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case exception allocation triggers GC |
| move $a1, rSELF # pass Thread::Current |
| jal artUnlockObjectFromCode # (Object* obj, Thread*, $sp) |
| move $a2, $sp # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_unlock_object_from_code |
| |
| /* |
| * Entry from managed code that calls artCheckCastFromCode and delivers exception on failure. |
| */ |
| .extern artCheckCastFromCode |
| ENTRY art_quick_check_cast_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case exception allocation triggers GC |
| move $a2, rSELF # pass Thread::Current |
| jal artCheckCastFromCode # (Class* a, Class* b, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_check_cast_from_code |
| |
| /* |
| * Entry from managed code that calls artCanPutArrayElementFromCode and delivers exception on |
| * failure. |
| */ |
| .extern artCanPutArrayElementFromCode |
| ENTRY art_quick_can_put_array_element_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case exception allocation triggers GC |
| move $a2, rSELF # pass Thread::Current |
| jal artCanPutArrayElementFromCode # (Object* element, Class* array_class, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_can_put_array_element_from_code |
| |
| /* |
| * Entry from managed code when uninitialized static storage, this stub will run the class |
| * initializer and deliver the exception on error. On success the static storage base is |
| * returned. |
| */ |
| .extern artInitializeStaticStorageFromCode |
| ENTRY art_quick_initialize_static_storage_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| # artInitializeStaticStorageFromCode(uint32_t type_idx, Method* referrer, Thread*, $sp) |
| jal artInitializeStaticStorageFromCode |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_initialize_static_storage_from_code |
| |
| /* |
| * Entry from managed code when dex cache misses for a type_idx. |
| */ |
| .extern artInitializeTypeFromCode |
| ENTRY art_quick_initialize_type_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| # artInitializeTypeFromCode(uint32_t type_idx, Method* referrer, Thread*, $sp) |
| jal artInitializeTypeFromCode |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_initialize_type_from_code |
| |
| /* |
| * Entry from managed code when type_idx needs to be checked for access and dex cache may also |
| * miss. |
| */ |
| .extern artInitializeTypeAndVerifyAccessFromCode |
| ENTRY art_quick_initialize_type_and_verify_access_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| # artInitializeTypeFromCode(uint32_t type_idx, Method* referrer, Thread*, $sp) |
| jal artInitializeTypeAndVerifyAccessFromCode |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_initialize_type_and_verify_access_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and load a 32-bit primitive value. |
| */ |
| .extern artGet32StaticFromCode |
| ENTRY art_quick_get32_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a1, 64($sp) # pass referrer's Method* |
| move $a2, rSELF # pass Thread::Current |
| jal artGet32StaticFromCode # (uint32_t field_idx, const Method* referrer, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get32_static_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and load a 64-bit primitive value. |
| */ |
| .extern artGet64StaticFromCode |
| ENTRY art_quick_get64_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a1, 64($sp) # pass referrer's Method* |
| move $a2, rSELF # pass Thread::Current |
| jal artGet64StaticFromCode # (uint32_t field_idx, const Method* referrer, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get64_static_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and load an object reference. |
| */ |
| .extern artGetObjStaticFromCode |
| ENTRY art_quick_get_obj_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a1, 64($sp) # pass referrer's Method* |
| move $a2, rSELF # pass Thread::Current |
| jal artGetObjStaticFromCode # (uint32_t field_idx, const Method* referrer, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get_obj_static_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and load a 32-bit primitive value. |
| */ |
| .extern artGet32InstanceFromCode |
| ENTRY art_quick_get32_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a2, 64($sp) # pass referrer's Method* |
| move $a3, rSELF # pass Thread::Current |
| jal artGet32InstanceFromCode # (field_idx, Object*, referrer, Thread*, $sp) |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get32_instance_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and load a 64-bit primitive value. |
| */ |
| .extern artGet64InstanceFromCode |
| ENTRY art_quick_get64_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a2, 64($sp) # pass referrer's Method* |
| move $a3, rSELF # pass Thread::Current |
| jal artGet64InstanceFromCode # (field_idx, Object*, referrer, Thread*, $sp) |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get64_instance_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and load an object reference. |
| */ |
| .extern artGetObjInstanceFromCode |
| ENTRY art_quick_get_obj_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a2, 64($sp) # pass referrer's Method* |
| move $a3, rSELF # pass Thread::Current |
| jal artGetObjInstanceFromCode # (field_idx, Object*, referrer, Thread*, $sp) |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NO_EXCEPTION |
| END art_quick_get_obj_instance_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and store a 32-bit primitive value. |
| */ |
| .extern artSet32StaticFromCode |
| ENTRY art_quick_set32_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a2, 64($sp) # pass referrer's Method* |
| move $a3, rSELF # pass Thread::Current |
| jal artSet32StaticFromCode # (field_idx, new_val, referrer, Thread*, $sp) |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set32_static_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and store a 64-bit primitive value. |
| */ |
| .extern artSet32StaticFromCode |
| ENTRY art_quick_set64_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a1, 64($sp) # pass referrer's Method* |
| sw rSELF, 16($sp) # pass Thread::Current |
| jal artSet64StaticFromCode # (field_idx, referrer, new_val, Thread*, $sp) |
| sw $sp, 20($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set64_static_from_code |
| |
| /* |
| * Called by managed code to resolve a static field and store an object reference. |
| */ |
| .extern artSetObjStaticFromCode |
| ENTRY art_quick_set_obj_static_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a2, 64($sp) # pass referrer's Method* |
| move $a3, rSELF # pass Thread::Current |
| jal artSetObjStaticFromCode # (field_idx, new_val, referrer, Thread*, $sp) |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set_obj_static_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and store a 32-bit primitive value. |
| */ |
| .extern artSet32InstanceFromCode |
| ENTRY art_quick_set32_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a3, 64($sp) # pass referrer's Method* |
| sw rSELF, 16($sp) # pass Thread::Current |
| jal artSet32InstanceFromCode # (field_idx, Object*, new_val, referrer, Thread*, $sp) |
| sw $sp, 20($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set32_instance_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and store a 64-bit primitive value. |
| */ |
| .extern artSet32InstanceFromCode |
| ENTRY art_quick_set64_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| sw rSELF, 16($sp) # pass Thread::Current |
| jal artSet64InstanceFromCode # (field_idx, Object*, new_val, Thread*, $sp) |
| sw $sp, 20($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set64_instance_from_code |
| |
| /* |
| * Called by managed code to resolve an instance field and store an object reference. |
| */ |
| .extern artSetObjInstanceFromCode |
| ENTRY art_quick_set_obj_instance_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| lw $a3, 64($sp) # pass referrer's Method* |
| sw rSELF, 16($sp) # pass Thread::Current |
| jal artSetObjInstanceFromCode # (field_idx, Object*, new_val, referrer, Thread*, $sp) |
| sw $sp, 20($sp) # pass $sp |
| RETURN_IF_ZERO |
| END art_quick_set_obj_instance_from_code |
| |
| /* |
| * Entry from managed code to resolve a string, this stub will allocate a String and deliver an |
| * exception on error. On success the String is returned. R0 holds the referring method, |
| * R1 holds the string index. The fast path check for hit in strings cache has already been |
| * performed. |
| */ |
| .extern artResolveStringFromCode |
| ENTRY art_quick_resolve_string_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| # artResolveStringFromCode(Method* referrer, uint32_t string_idx, Thread*, $sp) |
| jal artResolveStringFromCode |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_resolve_string_from_code |
| |
| /* |
| * Called by managed code to allocate an object. |
| */ |
| .extern artAllocObjectFromCode |
| ENTRY art_quick_alloc_object_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| jal artAllocObjectFromCode # (uint32_t type_idx, Method* method, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_alloc_object_from_code |
| |
| /* |
| * Called by managed code to allocate an object when the caller doesn't know whether it has |
| * access to the created type. |
| */ |
| .extern artAllocObjectFromCodeWithAccessCheck |
| ENTRY art_quick_alloc_object_from_code_with_access_check |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a2, rSELF # pass Thread::Current |
| jal artAllocObjectFromCodeWithAccessCheck # (uint32_t type_idx, Method* method, Thread*, $sp) |
| move $a3, $sp # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_alloc_object_from_code_with_access_check |
| |
| /* |
| * Called by managed code to allocate an array. |
| */ |
| .extern artAllocArrayFromCode |
| ENTRY art_quick_alloc_array_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a3, rSELF # pass Thread::Current |
| # artAllocArrayFromCode(uint32_t type_idx, Method* method, int32_t component_count, Thread*, $sp) |
| jal artAllocArrayFromCode |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_alloc_array_from_code |
| |
| /* |
| * Called by managed code to allocate an array when the caller doesn't know whether it has |
| * access to the created type. |
| */ |
| .extern artAllocArrayFromCodeWithAccessCheck |
| ENTRY art_quick_alloc_array_from_code_with_access_check |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a3, rSELF # pass Thread::Current |
| # artAllocArrayFromCodeWithAccessCheck(type_idx, method, component_count, Thread*, $sp) |
| jal artAllocArrayFromCodeWithAccessCheck |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_alloc_array_from_code_with_access_check |
| |
| /* |
| * Called by managed code to allocate an array in a special case for FILLED_NEW_ARRAY. |
| */ |
| .extern artCheckAndAllocArrayFromCode |
| ENTRY art_quick_check_and_alloc_array_from_code |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a3, rSELF # pass Thread::Current |
| # artCheckAndAllocArrayFromCode(uint32_t type_idx, Method* method, int32_t count, Thread* , $sp) |
| jal artCheckAndAllocArrayFromCode |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_check_and_alloc_array_from_code |
| |
| /* |
| * Called by managed code to allocate an array in a special case for FILLED_NEW_ARRAY. |
| */ |
| .extern artCheckAndAllocArrayFromCodeWithAccessCheck |
| ENTRY art_quick_check_and_alloc_array_from_code_with_access_check |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves in case of GC |
| move $a3, rSELF # pass Thread::Current |
| # artCheckAndAllocArrayFromCodeWithAccessCheck(type_idx, method, count, Thread* , $sp) |
| jal artCheckAndAllocArrayFromCodeWithAccessCheck |
| sw $sp, 16($sp) # pass $sp |
| RETURN_IF_NONZERO |
| END art_quick_check_and_alloc_array_from_code_with_access_check |
| |
| /* |
| * Called by managed code when the value in rSUSPEND has been decremented to 0. |
| */ |
| .extern artTestSuspendFromCode |
| ENTRY art_quick_test_suspend |
| GENERATE_GLOBAL_POINTER |
| lh $a0, THREAD_FLAGS_OFFSET(rSELF) |
| bnez $a0, 1f |
| addi rSUSPEND, $zero, SUSPEND_CHECK_INTERVAL # reset rSUSPEND to SUSPEND_CHECK_INTERVAL |
| jr $ra |
| nop |
| 1: |
| move $a0, rSELF |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME # save callee saves for stack crawl |
| jal artTestSuspendFromCode # (Thread*, $sp) |
| move $a1, $sp |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN |
| END art_quick_test_suspend |
| |
| .extern artPortableProxyInvokeHandler |
| ENTRY art_portable_proxy_invoke_handler |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| sw $a0, 0($sp) # place proxy method at bottom of frame |
| move $a2, rSELF # pass Thread::Current |
| jal artPortableProxyInvokeHandler # (Method* proxy method, receiver, Thread*, SP) |
| move $a3, $sp # pass $sp |
| lw $ra, 44($sp) # restore $ra |
| jr $ra |
| addiu $sp, $sp, 48 # pop frame |
| .cfi_adjust_cfa_offset -48 |
| END art_portable_proxy_invoke_handler |
| |
| /* |
| * Called by managed code that is attempting to call a method on a proxy class. On entry |
| * r0 holds the proxy method; r1, r2 and r3 may contain arguments. |
| */ |
| .extern artQuickProxyInvokeHandler |
| ENTRY art_quick_proxy_invoke_handler |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| sw $a0, 0($sp) # place proxy method at bottom of frame |
| move $a2, rSELF # pass Thread::Current |
| jal artQuickProxyInvokeHandler # (Method* proxy method, receiver, Thread*, SP) |
| move $a3, $sp # pass $sp |
| lw $t0, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_ |
| lw $ra, 44($sp) # restore $ra |
| bnez $t0, 1f |
| addiu $sp, $sp, 48 # pop frame |
| .cfi_adjust_cfa_offset -48 |
| jr $ra |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| END art_quick_proxy_invoke_handler |
| |
| .extern artInterpreterEntry |
| ENTRY art_quick_interpreter_entry |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_AND_ARGS_CALLEE_SAVE_FRAME |
| sw $a0, 0($sp) # place proxy method at bottom of frame |
| move $a1, rSELF # pass Thread::Current |
| jal artInterpreterEntry # (Method* method, Thread*, SP) |
| move $a2, $sp # pass $sp |
| lw $t0, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_ |
| lw $ra, 44($sp) # restore $ra |
| bnez $t0, 1f |
| addiu $sp, $sp, 48 # pop frame |
| .cfi_adjust_cfa_offset -48 |
| jr $ra |
| nop |
| 1: |
| DELIVER_PENDING_EXCEPTION |
| END art_quick_interpreter_entry |
| |
| /* |
| * Routine that intercepts method calls and returns. |
| */ |
| .extern artInstrumentationMethodEntryFromCode |
| .extern artInstrumentationMethodExitFromCode |
| ENTRY art_quick_instrumentation_entry_from_code |
| GENERATE_GLOBAL_POINTER |
| move $t0, $sp # remember bottom of caller's frame |
| addiu $sp, $sp, -16 # save arguments (4 words) |
| .cfi_adjust_cfa_offset 16 |
| sw $a0, 0($sp) |
| .cfi_rel_offset 4, 0 |
| sw $a1, 4($sp) |
| .cfi_rel_offset 5, 4 |
| sw $a2, 8($sp) |
| .cfi_rel_offset 6, 8 |
| sw $a3, 12($sp) |
| .cfi_rel_offset 7, 12 |
| move $a3, $ra # pass $ra |
| move $a2, $t0 # pass $sp |
| jal artInstrumentationMethodEntryFromCode # (Method*, Thread*, SP, LR) |
| move $a1, rSELF # pass Thread::Current |
| move $t9, $v0 # $t9 holds reference to code |
| lw $a0, 0($sp) |
| lw $a1, 4($sp) |
| lw $a2, 8($sp) |
| lw $a3, 12($sp) |
| jalr $t9 # call method |
| addiu $sp, $sp, 16 |
| .cfi_adjust_cfa_offset -16 |
| END art_quick_instrumentation_entry_from_code |
| /* intentional fallthrough */ |
| .global art_quick_instrumentation_exit_from_code |
| art_quick_instrumentation_exit_from_code: |
| .cfi_startproc |
| addiu $t9, $ra, 4 # put current address into $t9 to rebuild $gp |
| GENERATE_GLOBAL_POINTER |
| move $t0, $sp # remember bottom of caller's frame |
| addiu $sp, $sp, -16 # save return values |
| .cfi_adjust_cfa_offset 16 |
| sw $v0, 0($sp) |
| .cfi_rel_offset 2, 0 |
| sw $v1, 4($sp) |
| .cfi_rel_offset 3, 4 |
| move $a1, $t0 # pass $sp |
| jal artInstrumentationMethodExitFromCode # (Thread*, SP) |
| move $a0, rSELF # pass Thread::Current |
| move $t0, $v0 # set aside returned link register |
| move $ra, $v1 # set link register for deoptimization |
| lw $v0, 0($sp) |
| lw $v1, 4($sp) |
| jr $t0 # return |
| addiu $sp, $sp, 16 |
| .cfi_adjust_cfa_offset -16 |
| END art_quick_instrumentation_exit_from_code |
| |
| /* |
| * The thread's enter interpreter flag is set and so we should transition to the interpreter |
| * rather than allow execution to continue in the frame below. There may be live results in |
| * registers depending on how complete the operation is when we safepoint - for example, a |
| * set operation may have completed while a get operation needs writing back into the vregs. |
| */ |
| .extern artDeoptimize |
| .extern artEnterInterpreterFromDeoptimize |
| ENTRY art_quick_deoptimize |
| GENERATE_GLOBAL_POINTER |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME |
| move $a0, $v0 # pass first half of return value |
| move $a1, $v1 # pass second half of return value |
| move $a2, rSELF # pass Thread::current |
| jal artDeoptimize # artDeoptimize(return value, Thread*, SP) |
| # Returns caller method's frame size. |
| move $a3, $sp # pass $sp |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| beqz $v0, 1f # Return if caller was upcall. |
| add $t9, $sp, $v0 # $t9 == bottom of caller's frame. |
| lw $ra, -4($t9) # Restore $ra. |
| move $sp, $t9 # Remove frame. |
| SETUP_REF_ONLY_CALLEE_SAVE_FRAME |
| jal artEnterInterpreterFromDeoptimize # Enter interpreter, callee-save ends stack fragment. |
| nop |
| RESTORE_REF_ONLY_CALLEE_SAVE_FRAME |
| 1: |
| jr $ra # Return to caller. |
| nop |
| END art_quick_deoptimize |
| |
| /* |
| * Long integer shift. This is different from the generic 32/64-bit |
| * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| * 6 bits. |
| * On entry: |
| * $a0: low word |
| * $a1: high word |
| * $a2: shift count |
| */ |
| ENTRY art_quick_shl_long |
| /* shl-long vAA, vBB, vCC */ |
| sll $v0, $a0, $a2 # rlo<- alo << (shift&31) |
| not $v1, $a2 # rhi<- 31-shift (shift is 5b) |
| srl $a0, 1 |
| srl $a0, $v1 # alo<- alo >> (32-(shift&31)) |
| sll $v1, $a1, $a2 # rhi<- ahi << (shift&31) |
| or $v1, $a0 # rhi<- rhi | alo |
| andi $a2, 0x20 # shift< shift & 0x20 |
| movn $v1, $v0, $a2 # rhi<- rlo (if shift&0x20) |
| jr $ra |
| movn $v0, $zero, $a2 # rlo<- 0 (if shift&0x20) |
| END art_quick_shl_long |
| |
| /* |
| * Long integer shift. This is different from the generic 32/64-bit |
| * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| * 6 bits. |
| * On entry: |
| * $a0: low word |
| * $a1: high word |
| * $a2: shift count |
| */ |
| .global art_quick_shr_long |
| ENTRY art_quick_shr_long |
| sra $v1, $a1, $a2 # rhi<- ahi >> (shift&31) |
| srl $v0, $a0, $a2 # rlo<- alo >> (shift&31) |
| sra $a3, $a1, 31 # $a3<- sign(ah) |
| not $a0, $a2 # alo<- 31-shift (shift is 5b) |
| sll $a1, 1 |
| sll $a1, $a0 # ahi<- ahi << (32-(shift&31)) |
| or $v0, $a1 # rlo<- rlo | ahi |
| andi $a2, 0x20 # shift & 0x20 |
| movn $v0, $v1, $a2 # rlo<- rhi (if shift&0x20) |
| jr $ra |
| movn $v1, $a3, $a2 # rhi<- sign(ahi) (if shift&0x20) |
| END art_quick_shr_long |
| |
| /* |
| * Long integer shift. This is different from the generic 32/64-bit |
| * binary operations because vAA/vBB are 64-bit but vCC (the shift |
| * distance) is 32-bit. Also, Dalvik requires us to ignore all but the low |
| * 6 bits. |
| * On entry: |
| * r0: low word |
| * r1: high word |
| * r2: shift count |
| */ |
| /* ushr-long vAA, vBB, vCC */ |
| .global art_quick_ushr_long |
| ENTRY art_quick_ushr_long |
| srl $v1, $a1, $a2 # rhi<- ahi >> (shift&31) |
| srl $v0, $a0, $a2 # rlo<- alo >> (shift&31) |
| not $a0, $a2 # alo<- 31-shift (shift is 5b) |
| sll $a1, 1 |
| sll $a1, $a0 # ahi<- ahi << (32-(shift&31)) |
| or $v0, $a1 # rlo<- rlo | ahi |
| andi $a2, 0x20 # shift & 0x20 |
| movn $v0, $v1, $a2 # rlo<- rhi (if shift&0x20) |
| jr $ra |
| movn $v1, $zero, $a2 # rhi<- 0 (if shift&0x20) |
| END art_quick_ushr_long |
| |
| ENTRY art_quick_indexof |
| jr $ra |
| nop |
| END art_quick_indexof |
| |
| ENTRY art_quick_string_compareto |
| jr $ra |
| nop |
| END art_quick_string_compareto |
