static char *logWriteString(char *dst, const char *value, size_t len)
{
*dst++ = EVENT_TYPE_STRING;
len = len < 32 ? len : 32;
set4LE((u1 *)dst, len);
dst += 4;
memcpy(dst, value, len);
return dst + len;
}
static char *logWriteInt(char *dst, int value)
{
*dst++ = EVENT_TYPE_INT;
set4LE((u1 *)dst, value);
return dst + 4;
}
/*
* Write the dependency info to "fd" at the current file position.
*/
static int writeDependencies(int fd, u4 modWhen, u4 crc)
{
u1* buf = NULL;
int result = -1;
ssize_t bufLen;
ClassPathEntry* cpe;
int numDeps;
/*
* Count up the number of completed entries in the bootclasspath.
*/
numDeps = 0;
bufLen = 0;
for (cpe = gDvm.bootClassPath; cpe->ptr != NULL; cpe++) {
const char* cacheFileName =
dvmPathToAbsolutePortion(getCacheFileName(cpe));
assert(cacheFileName != NULL); /* guaranteed by Class.c */
LOGV("+++ DexOpt: found dep '%s'\n", cacheFileName);
numDeps++;
bufLen += strlen(cacheFileName) +1;
}
bufLen += 4*4 + numDeps * (4+kSHA1DigestLen);
buf = malloc(bufLen);
set4LE(buf+0, modWhen);
set4LE(buf+4, crc);
set4LE(buf+8, DALVIK_VM_BUILD);
set4LE(buf+12, numDeps);
// TODO: do we want to add dvmGetInlineOpsTableLength() here? Won't
// help us if somebody replaces an existing entry, but it'd catch
// additions/removals.
u1* ptr = buf + 4*4;
for (cpe = gDvm.bootClassPath; cpe->ptr != NULL; cpe++) {
const char* cacheFileName =
dvmPathToAbsolutePortion(getCacheFileName(cpe));
assert(cacheFileName != NULL); /* guaranteed by Class.c */
const u1* signature = getSignature(cpe);
int len = strlen(cacheFileName) +1;
if (ptr + 4 + len + kSHA1DigestLen > buf + bufLen) {
LOGE("DexOpt: overran buffer\n");
dvmAbort();
}
set4LE(ptr, len);
ptr += 4;
memcpy(ptr, cacheFileName, len);
ptr += len;
memcpy(ptr, signature, kSHA1DigestLen);
ptr += kSHA1DigestLen;
}
assert(ptr == buf + bufLen);
result = sysWriteFully(fd, buf, bufLen, "DexOpt dep info");
free(buf);
return result;
}
