1 #include <inttypes.h>
2
3 /*
4 * Dump the fixed-purpose ARM registers, along with some other info.
5 *
6 * This function MUST be compiled in ARM mode -- THUMB will yield bogus
7 * results.
8 *
9 * This will NOT preserve r0-r3/ip.
10 */
dvmMterpDumpArmRegs(uint32_t r0,uint32_t r1,uint32_t r2,uint32_t r3)11 void dvmMterpDumpArmRegs(uint32_t r0, uint32_t r1, uint32_t r2, uint32_t r3)
12 {
13 register uint32_t rPC asm("r4");
14 register uint32_t rFP asm("r5");
15 register uint32_t rGLUE asm("r6");
16 register uint32_t rINST asm("r7");
17 register uint32_t rIBASE asm("r8");
18 register uint32_t r9 asm("r9");
19 register uint32_t r10 asm("r10");
20
21 extern char dvmAsmInstructionStart[];
22
23 printf("REGS: r0=%08x r1=%08x r2=%08x r3=%08x\n", r0, r1, r2, r3);
24 printf(" : rPC=%08x rFP=%08x rGLUE=%08x rINST=%08x\n",
25 rPC, rFP, rGLUE, rINST);
26 printf(" : rIBASE=%08x r9=%08x r10=%08x\n", rIBASE, r9, r10);
27
28 MterpGlue* glue = (MterpGlue*) rGLUE;
29 const Method* method = glue->method;
30 printf(" + self is %p\n", dvmThreadSelf());
31 //printf(" + currently in %s.%s %s\n",
32 // method->clazz->descriptor, method->name, method->shorty);
33 //printf(" + dvmAsmInstructionStart = %p\n", dvmAsmInstructionStart);
34 //printf(" + next handler for 0x%02x = %p\n",
35 // rINST & 0xff, dvmAsmInstructionStart + (rINST & 0xff) * 64);
36 }
37
38 /*
39 * Dump the StackSaveArea for the specified frame pointer.
40 */
dvmDumpFp(void * fp,StackSaveArea * otherSaveArea)41 void dvmDumpFp(void* fp, StackSaveArea* otherSaveArea)
42 {
43 StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp);
44 printf("StackSaveArea for fp %p [%p/%p]:\n", fp, saveArea, otherSaveArea);
45 #ifdef EASY_GDB
46 printf(" prevSave=%p, prevFrame=%p savedPc=%p meth=%p curPc=%p\n",
47 saveArea->prevSave, saveArea->prevFrame, saveArea->savedPc,
48 saveArea->method, saveArea->xtra.currentPc);
49 #else
50 printf(" prevFrame=%p savedPc=%p meth=%p curPc=%p fp[0]=0x%08x\n",
51 saveArea->prevFrame, saveArea->savedPc,
52 saveArea->method, saveArea->xtra.currentPc,
53 *(u4*)fp);
54 #endif
55 }
56
57 /*
58 * Does the bulk of the work for common_printMethod().
59 */
dvmMterpPrintMethod(Method * method)60 void dvmMterpPrintMethod(Method* method)
61 {
62 /*
63 * It is a direct (non-virtual) method if it is static, private,
64 * or a constructor.
65 */
66 bool isDirect =
67 ((method->accessFlags & (ACC_STATIC|ACC_PRIVATE)) != 0) ||
68 (method->name[0] == '<');
69
70 char* desc = dexProtoCopyMethodDescriptor(&method->prototype);
71
72 printf("<%c:%s.%s %s> ",
73 isDirect ? 'D' : 'V',
74 method->clazz->descriptor,
75 method->name,
76 desc);
77
78 free(desc);
79 }
80