| %verify "executed" |
| %verify "exception handled" |
| /* |
| * Execute a "native inline" instruction, using "/range" semantics. |
| * Same idea as execute-inline, but we get the args differently. |
| * |
| * We need to call an InlineOp4Func: |
| * bool (func)(u4 arg0, u4 arg1, u4 arg2, u4 arg3, JValue* pResult) |
| * |
| * The first four args are in r0-r3, pointer to return value storage |
| * is on the stack. The function's return value is a flag that tells |
| * us if an exception was thrown. |
| */ |
| /* [opt] execute-inline/range {vCCCC..v(CCCC+AA-1)}, inline@BBBB */ |
| FETCH(r10, 1) @ r10<- BBBB |
| add r1, rGLUE, #offGlue_retval @ r1<- &glue->retval |
| EXPORT_PC() @ can throw |
| sub sp, sp, #8 @ make room for arg, +64 bit align |
| mov r0, rINST, lsr #8 @ r0<- AA |
| str r1, [sp] @ push &glue->retval |
| bl .L${opcode}_continue @ make call; will return after |
| add sp, sp, #8 @ pop stack |
| cmp r0, #0 @ test boolean result of inline |
| beq common_exceptionThrown @ returned false, handle exception |
| FETCH_ADVANCE_INST(3) @ advance rPC, load rINST |
| GET_INST_OPCODE(ip) @ extract opcode from rINST |
| GOTO_OPCODE(ip) @ jump to next instruction |
| %break |
| |
| /* |
| * Extract args, call function. |
| * r0 = #of args (0-4) |
| * r10 = call index |
| * lr = return addr, above [DO NOT bl out of here w/o preserving LR] |
| */ |
| .L${opcode}_continue: |
| rsb r0, r0, #4 @ r0<- 4-r0 |
| FETCH(r9, 2) @ r9<- CCCC |
| add pc, pc, r0, lsl #3 @ computed goto, 2 instrs each |
| bl common_abort @ (skipped due to ARM prefetch) |
| 4: add ip, r9, #3 @ base+3 |
| GET_VREG(r3, ip) @ r3<- vBase[3] |
| 3: add ip, r9, #2 @ base+2 |
| GET_VREG(r2, ip) @ r2<- vBase[2] |
| 2: add ip, r9, #1 @ base+1 |
| GET_VREG(r1, ip) @ r1<- vBase[1] |
| 1: add ip, r9, #0 @ (nop) |
| GET_VREG(r0, ip) @ r0<- vBase[0] |
| 0: |
| ldr r9, .L${opcode}_table @ table of InlineOperation |
| LDR_PC "[r9, r10, lsl #4]" @ sizeof=16, "func" is first entry |
| @ (not reached) |
| |
| .L${opcode}_table: |
| .word gDvmInlineOpsTable |
| |
