1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <inttypes.h>
18
19/*
20 * Dump the fixed-purpose MIPS registers, along with some other info.
21 *
22 */
23void dvmMterpDumpMipsRegs(uint32_t a0, uint32_t a1, uint32_t a2, uint32_t a3)
24{
25    register uint32_t rPC       asm("s0");
26    register uint32_t rFP       asm("s1");
27    register uint32_t rSELF     asm("s2");
28    register uint32_t rIBASE    asm("s3");
29    register uint32_t rINST     asm("s4");
30    register uint32_t rOBJ      asm("s5");
31    register uint32_t rBIX      asm("s6");
32    register uint32_t rTEMP	asm("s7");
33
34    //extern char dvmAsmInstructionStart[];
35
36    printf("REGS: a0=%08x a1=%08x a2=%08x a3=%08x\n", a0, a1, a2, a3);
37    printf("    : rPC=%08x rFP=%08x rSELF=%08x rIBASE=%08x\n",
38        rPC, rFP, rSELF, rIBASE);
39    printf("    : rINST=%08x rOBJ=%08x rBIX=%08x rTEMP=%08x \n", rINST, rOBJ, rBIX, rTEMP);
40
41    //Thread* self = (Thread*) rSELF;
42    //const Method* method = self->method;
43    printf("    + self is %p\n", dvmThreadSelf());
44    //printf("    + currently in %s.%s %s\n",
45    //    method->clazz->descriptor, method->name, method->signature);
46    //printf("    + dvmAsmInstructionStart = %p\n", dvmAsmInstructionStart);
47    //printf("    + next handler for 0x%02x = %p\n",
48    //    rINST & 0xff, dvmAsmInstructionStart + (rINST & 0xff) * 64);
49}
50
51/*
52 * Dump the StackSaveArea for the specified frame pointer.
53 */
54void dvmDumpFp(void* fp, StackSaveArea* otherSaveArea)
55{
56    StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp);
57    printf("StackSaveArea for fp %p [%p/%p]:\n", fp, saveArea, otherSaveArea);
58#ifdef EASY_GDB
59    printf("  prevSave=%p, prevFrame=%p savedPc=%p meth=%p curPc=%p\n",
60        saveArea->prevSave, saveArea->prevFrame, saveArea->savedPc,
61        saveArea->method, saveArea->xtra.currentPc);
62#else
63    printf("  prevFrame=%p savedPc=%p meth=%p curPc=%p fp[0]=0x%08x\n",
64        saveArea->prevFrame, saveArea->savedPc,
65        saveArea->method, saveArea->xtra.currentPc,
66        *(u4*)fp);
67#endif
68}
69
70/*
71 * Does the bulk of the work for common_printMethod().
72 */
73void dvmMterpPrintMethod(Method* method)
74{
75    /*
76     * It is a direct (non-virtual) method if it is static, private,
77     * or a constructor.
78     */
79    bool isDirect =
80        ((method->accessFlags & (ACC_STATIC|ACC_PRIVATE)) != 0) ||
81        (method->name[0] == '<');
82
83    char* desc = dexProtoCopyMethodDescriptor(&method->prototype);
84
85    printf("<%c:%s.%s %s> ",
86            isDirect ? 'D' : 'V',
87            method->clazz->descriptor,
88            method->name,
89            desc);
90
91    free(desc);
92}
93