%def op_aget(load="movl", multiplier="4", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0", is_object="0"): /* * Array get. vAA <- vBB[vCC]. * * for: aget, aget-boolean, aget-byte, aget-char, aget-short, aget-wide, aget-object * */ /* op vAA, vBB, vCC */ movzbl 2(rPC), %eax # eax <- BB movzbl 3(rPC), %ecx # ecx <- CC GET_VREG %eax, %eax # eax <- vBB (array object) GET_VREG %ecx, %ecx # ecx <- vCC (requested index) testl %eax, %eax # null array object? je common_errNullObject # bail if so cmpl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ecx jae common_errArrayIndex # index >= length, bail. .if $wide movq $data_offset(%eax,%ecx,8), %xmm0 SET_WIDE_FP_VREG %xmm0, rINST # vAA <- xmm0 ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 .elseif $is_object testb $$READ_BARRIER_TEST_VALUE, GRAY_BYTE_OFFSET(%eax) $load $data_offset(%eax,%ecx,$multiplier), %eax jnz 2f UNPOISON_HEAP_REF eax // Affects flags, so we cannot unpoison before the jnz. 1: SET_VREG_OBJECT %eax, rINST ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 2: UNPOISON_HEAP_REF eax // reg00 is eax call art_quick_read_barrier_mark_reg00 jmp 1b .else $load $data_offset(%eax,%ecx,$multiplier), %eax SET_VREG %eax, rINST ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 .endif %def op_aget_boolean(): % op_aget(load="movzbl", multiplier="1", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET") %def op_aget_byte(): % op_aget(load="movsbl", multiplier="1", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET") %def op_aget_char(): % op_aget(load="movzwl", multiplier="2", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET") %def op_aget_object(): % op_aget(load="movl", multiplier="4", data_offset="MIRROR_OBJECT_ARRAY_DATA_OFFSET", is_object="1") %def op_aget_short(): % op_aget(load="movswl", multiplier="2", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET") %def op_aget_wide(): % op_aget(load="", multiplier="8", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1") %def op_aput(rINST_reg="rINST", store="movl", multiplier="4", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0"): /* * Array put. vBB[vCC] <- vAA. * * for: aput, aput-boolean, aput-byte, aput-char, aput-short, aput-wide * */ /* op vAA, vBB, vCC */ movzbl 2(rPC), %eax # eax <- BB movzbl 3(rPC), %ecx # ecx <- CC GET_VREG %eax, %eax # eax <- vBB (array object) GET_VREG %ecx, %ecx # ecx <- vCC (requested index) testl %eax, %eax # null array object? je common_errNullObject # bail if so cmpl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ecx jae common_errArrayIndex # index >= length, bail. .if $wide GET_WIDE_FP_VREG %xmm0, rINST # xmm0 <- vAA movq %xmm0, $data_offset(%eax,%ecx,8) # vBB[vCC] <- xmm0 .else GET_VREG rINST, rINST $store $rINST_reg, $data_offset(%eax,%ecx,$multiplier) .endif ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 %def op_aput_boolean(): % op_aput(rINST_reg="rINSTbl", store="movb", multiplier="1", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET") %def op_aput_byte(): % op_aput(rINST_reg="rINSTbl", store="movb", multiplier="1", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET") %def op_aput_char(): % op_aput(rINST_reg="rINSTw", store="movw", multiplier="2", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET") %def op_aput_short(): % op_aput(rINST_reg="rINSTw", store="movw", multiplier="2", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET") %def op_aput_wide(): % op_aput(rINST_reg="", store="", multiplier="8", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1") %def op_aput_object(): EXPORT_PC # for the art_quick_aput_obj call movzbl 2(rPC), %eax # eax <- BB movzbl 3(rPC), %ecx # ecx <- CC GET_VREG %eax, %eax # eax <- vBB (array object) GET_VREG %ecx, %ecx # ecx <- vCC (requested index) testl %eax, %eax # null array object? je common_errNullObject # bail if so cmpl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ecx jae common_errArrayIndex # index >= length, bail. GET_VREG %edx, rINST call art_quick_aput_obj RESTORE_IBASE # edx got overwritten, restore it ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 %def op_array_length(): /* * Return the length of an array. */ movl rINST, %eax # eax <- BA sarl $$4, rINST # rINST <- B GET_VREG %ecx, rINST # ecx <- vB (object ref) testl %ecx, %ecx # is null? je common_errNullObject andb $$0xf, %al # eax <- A movl MIRROR_ARRAY_LENGTH_OFFSET(%ecx), rINST SET_VREG rINST, %eax ADVANCE_PC_FETCH_AND_GOTO_NEXT 1 %def op_fill_array_data(): /* fill-array-data vAA, +BBBBBBBB */ EXPORT_PC movl 2(rPC), %ecx # ecx <- BBBBbbbb leal (rPC,%ecx,2), ARG0 # ARG0 <- PC + BBBBbbbb*2 GET_VREG ARG1, rINST # ARG1 <- vAA (array object) call art_quick_handle_fill_data RESTORE_IBASE ADVANCE_PC_FETCH_AND_GOTO_NEXT 3 %def op_filled_new_array(helper="nterp_filled_new_array"): /* * Create a new array with elements filled from registers. * * for: filled-new-array, filled-new-array/range */ /* op vB, {vD, vE, vF, vG, vA}, class@CCCC */ /* op {vCCCC..v(CCCC+AA-1)}, type@BBBB */ EXPORT_PC movl rSELF:THREAD_SELF_OFFSET, ARG0 movl (%esp), ARG1 movl rFP, ARG2 movl rPC, ARG3 call SYMBOL($helper) ADVANCE_PC_FETCH_AND_GOTO_NEXT 3 %def op_filled_new_array_range(): % op_filled_new_array(helper="nterp_filled_new_array_range") %def op_new_array(): jmp NterpNewArray