src/cpu/aarch32/vm/stubGenerator_aarch32.cpp

rev 8069 : 8164652: aarch32: C1 port

*** 1214,1224 ****
      // Note that we only have to preserve callee-saved registers since
      // the compilers are responsible for supplying a continuation point
      // if they expect all registers to be preserved.
      // n.b. aarch32 asserts that frame::arg_reg_save_area_bytes == 0
      enum layout {
!       rfp_off = frame::arg_reg_save_area_bytes/BytesPerInt,
        return_off,
        framesize // inclusive of return address
      };
  
      int insts_size = 512;
--- 1214,1224 ----
      // Note that we only have to preserve callee-saved registers since
      // the compilers are responsible for supplying a continuation point
      // if they expect all registers to be preserved.
      // n.b. aarch32 asserts that frame::arg_reg_save_area_bytes == 0
      enum layout {
!       rfp_off = 0,
        return_off,
        framesize // inclusive of return address
      };
  
      int insts_size = 512;
*** 1235,1247 ****
      // thread-local storage and also sets up last_Java_sp slightly
      // differently than the real call_VM
  
      __ enter(); // Save FP and LR before call
  
-     // lr and fp are already in place
-     assert(frame::arg_reg_save_area_bytes == 0, "please modify this code");
-     // __ sub(sp, rfp, frame::arg_reg_save_area_bytes + wordSize); // prolog
      assert(is_even(framesize), "sp not 8-byte aligned");
  
      int frame_complete = __ pc() - start;
  
      // Set up last_Java_sp and last_Java_fp
--- 1235,1244 ----
*** 1286,1296 ****
      // codeBlob framesize is in words (not VMRegImpl::slot_size)
      RuntimeStub* stub =
        RuntimeStub::new_runtime_stub(name,
                                      &code,
                                      frame_complete,
!                                     (framesize >> (LogBytesPerWord - LogBytesPerInt)),
                                      oop_maps, false);
      return stub->entry_point();
    }
  
    // Initialization
--- 1283,1293 ----
      // codeBlob framesize is in words (not VMRegImpl::slot_size)
      RuntimeStub* stub =
        RuntimeStub::new_runtime_stub(name,
                                      &code,
                                      frame_complete,
!                                     framesize,
                                      oop_maps, false);
      return stub->entry_point();
    }
  
    // Initialization