#include "../../CompilerInternals.h"
#include "ArmLIR.h"
#include "Codegen.h"
-#include <unistd.h> /* for cacheflush */
#include <sys/mman.h> /* for protection change */
#define MAX_ASSEMBLER_RETRIES 10
kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP,
"dmb","#!0B",2),
+ ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000,
+ kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,
+ kFmtUnused, -1, -1,
+ IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,
+ "ldr", "r!0d, [rpc, -#!1d]", 2),
};
/*
int delta = target - pc;
if (delta > 126 || delta < 0) {
/* Convert to cmp rx,#0 / b[eq/ne] tgt pair */
- ArmLIR *newInst = dvmCompilerNew(sizeof(ArmLIR), true);
+ ArmLIR *newInst =
+ (ArmLIR *)dvmCompilerNew(sizeof(ArmLIR), true);
/* Make new branch instruction and insert after */
newInst->opcode = kThumbBCond;
newInst->operands[0] = 0;
/*
* Translation layout in the code cache. Note that the codeAddress pointer
* in JitTable will point directly to the code body (field codeAddress). The
- * chain cell offset codeAddress - 2, and (if present) executionCount is at
- * codeAddress - 6.
+ * chain cell offset codeAddress - 2, and the address of the trace profile
+ * counter is at codeAddress - 6.
*
* +----------------------------+
- * | Execution count | -> [Optional] 4 bytes
+ * | Trace Profile Counter addr | -> 4 bytes
* +----------------------------+
* +--| Offset to chain cell counts| -> 2 bytes
* | +----------------------------+
- * | | Code body | -> Start address for translation
- * | | | variable in 2-byte chunks
- * | . . (JitTable's codeAddress points here)
+ * | | Trace profile code | <- entry point when profiling
+ * | . - - - - - - - .
+ * | | Code body | <- entry point when not profiling
* | . .
* | | |
* | +----------------------------+
- * | | Chaining Cells | -> 12/16 bytes each, must be 4 byte aligned
+ * | | Chaining Cells | -> 12/16 bytes, 4 byte aligned
* | . .
* | . .
* | | |
chainCellOffsetLIR->operands[0] == CHAIN_CELL_OFFSET_TAG);
/*
- * Replace the CHAIN_CELL_OFFSET_TAG with the real value. If trace
- * profiling is enabled, subtract 4 (occupied by the counter word) from
- * the absolute offset as the value stored in chainCellOffsetLIR is the
- * delta from &chainCellOffsetLIR to &ChainCellCounts.
+ * Adjust the CHAIN_CELL_OFFSET_TAG LIR's offset to remove the
+ * space occupied by the pointer to the trace profiling counter.
*/
- chainCellOffsetLIR->operands[0] =
- gDvmJit.profile ? (chainCellOffset - 4) : chainCellOffset;
+ chainCellOffsetLIR->operands[0] = chainCellOffset - 4;
offset += sizeof(chainCellCounts) + descSize;
}
/* Allocate enough space for the code block */
- cUnit->codeBuffer = dvmCompilerNew(chainCellOffset, true);
+ cUnit->codeBuffer = (unsigned char *)dvmCompilerNew(chainCellOffset, true);
if (cUnit->codeBuffer == NULL) {
LOGE("Code buffer allocation failure\n");
cUnit->baseAddr = NULL;
installDataContent(cUnit);
/* Flush dcache and invalidate the icache to maintain coherence */
- cacheflush((long)cUnit->baseAddr,
- (long)((char *) cUnit->baseAddr + offset), 0);
+ dvmCompilerCacheFlush((long)cUnit->baseAddr,
+ (long)((char *) cUnit->baseAddr + offset), 0);
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(cUnit->baseAddr, offset);
/* If applicable, mark low bit to denote thumb */
if (info->instructionSet != DALVIK_JIT_ARM)
info->codeAddress = (char*)info->codeAddress + 1;
+ /* transfer the size of the profiling code */
+ info->profileCodeSize = cUnit->profileCodeSize;
}
/*
UNPROTECT_CODE_CACHE(branchAddr, sizeof(*branchAddr));
*branchAddr = newInst;
- cacheflush((long)branchAddr, (long)branchAddr + 4, 0);
+ dvmCompilerCacheFlush((long)branchAddr, (long)branchAddr + 4, 0);
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(branchAddr, sizeof(*branchAddr));
* will bring the uninitialized chaining cell to life.
*/
android_atomic_release_store((int32_t)newContent->clazz,
- (void*) &cellAddr->clazz);
- cacheflush((intptr_t) cellAddr, (intptr_t) (cellAddr+1), 0);
+ (volatile int32_t *)(void *)&cellAddr->clazz);
+ dvmCompilerCacheFlush((intptr_t) cellAddr, (intptr_t) (cellAddr+1), 0);
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(cellAddr, sizeof(*cellAddr));
* trigger immediate patching and will continue to fail to match with
* a real clazz pointer.
*/
- cell->clazz = (void *) PREDICTED_CHAIN_FAKE_CLAZZ;
+ cell->clazz = (ClassObject *) PREDICTED_CHAIN_FAKE_CLAZZ;
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(cell, sizeof(*cell));
}
/* Then synchronize the I/D cache */
- cacheflush((long) minAddr, (long) (maxAddr+1), 0);
+ dvmCompilerCacheFlush((long) minAddr, (long) (maxAddr+1), 0);
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(gDvmJit.codeCache, gDvmJit.codeCacheByteUsed);
highAddress = lastAddress;
}
}
- cacheflush((long)lowAddress, (long)highAddress, 0);
+ dvmCompilerCacheFlush((long)lowAddress, (long)highAddress, 0);
UPDATE_CODE_CACHE_PATCHES();
PROTECT_CODE_CACHE(gDvmJit.codeCache, gDvmJit.codeCacheByteUsed);
(6 + (p->u.info.instructionSet == DALVIK_JIT_ARM ? 0 : 1));
}
+/* Handy function to retrieve the profile count */
+static inline JitTraceCounter_t getProfileCount(const JitEntry *entry)
+{
+ if (entry->dPC == 0 || entry->codeAddress == 0 ||
+ entry->codeAddress == dvmCompilerGetInterpretTemplate())
+ return 0;
+
+ JitTraceCounter_t **p = (JitTraceCounter_t **) getTraceBase(entry);
+
+ return **p;
+}
+
+/* Handy function to reset the profile count */
+static inline void resetProfileCount(const JitEntry *entry)
+{
+ if (entry->dPC == 0 || entry->codeAddress == 0 ||
+ entry->codeAddress == dvmCompilerGetInterpretTemplate())
+ return;
+
+ JitTraceCounter_t **p = (JitTraceCounter_t **) getTraceBase(entry);
+
+ **p = 0;
+}
+
/* Dumps profile info for a single trace */
static int dumpTraceProfile(JitEntry *p, bool silent, bool reset,
unsigned long sum)
{
ChainCellCounts* pCellCounts;
char* traceBase;
- u4* pExecutionCount;
- u4 executionCount;
+ JitTraceCounter_t count;
u2* pCellOffset;
JitTraceDescription *desc;
const Method* method;
LOGD("TRACEPROFILE 0x%08x 0 INTERPRET_ONLY 0 0", (int)traceBase);
return 0;
}
-
- pExecutionCount = (u4*) (traceBase);
- executionCount = *pExecutionCount;
+ count = getProfileCount(p);
if (reset) {
- *pExecutionCount =0;
+ resetProfileCount(p);
}
if (silent) {
- return executionCount;
+ return count;
}
pCellOffset = (u2*) (traceBase + 4);
pCellCounts = (ChainCellCounts*) ((char *)pCellOffset + *pCellOffset);
LOGD("TRACEPROFILE 0x%08x % 10d %5.2f%% [%#x(+%d), %d] %s%s;%s",
(int)traceBase,
- executionCount,
- ((float ) executionCount) / sum * 100.0,
+ count,
+ ((float ) count) / sum * 100.0,
desc->trace[0].frag.startOffset,
desc->trace[0].frag.numInsts,
addrToLine.lineNum,
* be a meta info field (only used by callsite info for now).
*/
if (!desc->trace[idx].frag.isCode) {
- const Method *method = desc->trace[idx+1].meta;
+ const Method *method = (const Method *)desc->trace[idx+1].meta;
char *methodDesc = dexProtoCopyMethodDescriptor(&method->prototype);
/* Print the callee info in the trace */
LOGD(" -> %s%s;%s", method->clazz->descriptor, method->name,
methodDesc);
}
- return executionCount;
+ return count;
}
/* Create a copy of the trace descriptor of an existing compilation */
return newCopy;
}
-/* Handy function to retrieve the profile count */
-static inline int getProfileCount(const JitEntry *entry)
-{
- if (entry->dPC == 0 || entry->codeAddress == 0 ||
- entry->codeAddress == dvmCompilerGetInterpretTemplate())
- return 0;
-
- u4 *pExecutionCount = (u4 *) getTraceBase(entry);
-
- return *pExecutionCount;
-}
-
-
/* qsort callback function */
static int sortTraceProfileCount(const void *entry1, const void *entry2)
{
- const JitEntry *jitEntry1 = entry1;
- const JitEntry *jitEntry2 = entry2;
+ const JitEntry *jitEntry1 = (const JitEntry *)entry1;
+ const JitEntry *jitEntry2 = (const JitEntry *)entry2;
- int count1 = getProfileCount(jitEntry1);
- int count2 = getProfileCount(jitEntry2);
+ JitTraceCounter_t count1 = getProfileCount(jitEntry1);
+ JitTraceCounter_t count2 = getProfileCount(jitEntry2);
return (count1 == count2) ? 0 : ((count1 > count2) ? -1 : 1);
}
dvmLockMutex(&gDvmJit.tableLock);
/* Sort the entries by descending order */
- sortedEntries = malloc(sizeof(JitEntry) * gDvmJit.jitTableSize);
+ sortedEntries = (JitEntry *)malloc(sizeof(JitEntry) * gDvmJit.jitTableSize);
if (sortedEntries == NULL)
goto done;
memcpy(sortedEntries, gDvmJit.pJitEntryTable,
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