dr_emit_flags_t handle_bb(void* ctx,
void* tag,
instrlist_t* bb,
bool for_trace,
bool translating) {
bool new_frag;
bool instrument;
#ifdef TRACE_DEBUG
dr_fprintf(STDERR,
"debug: handle_bb(tag=%p, for_trace=%u, translating=%u)\n",
tag,
for_trace,
translating);
#endif
check_ctx(ctx, "handle_bb");
new_frag = true;
instrument = true;
if(for_trace) {
// Traces are instrumented separately, we only need to increment counter.
new_frag = false;
instrument = false;
}
if(translating) {
// Reuse existing fragment when translating.
new_frag = false;
}
handle_frag(ctx, tag, bb, new_frag, instrument, 0);
return DR_EMIT_DEFAULT;
}
void handle_thread_exit(void* ctx) {
thread_id_t thread_id;
struct trace_buffer_t* tb;
check_ctx(ctx, "handle_thread_exit");
thread_id = dr_get_thread_id(ctx);
dr_fprintf(STDERR,
"info: cleaning up thread 0x%" PRIx64 "..\n",
(uint64_t)thread_id);
tb = dr_get_tls_field(ctx);
tb_delete(tb);
dr_set_tls_field(ctx, NULL);
}
void handle_thread_init(void* ctx) {
thread_id_t thread_id;
struct trace_buffer_t* tb;
check_ctx(ctx, "handle_thread_init");
thread_id = dr_get_thread_id(ctx);
dr_fprintf(STDERR,
"info: initializing thread 0x%" PRIx64 "..\n",
(uint64_t)thread_id);
tb = tb_create(thread_id);
dr_set_tls_field(ctx, tb);
tb_tlv(tb, TYPE_TRACE);
}
dr_emit_flags_t handle_trace(void* ctx,
void* tag,
instrlist_t* trace,
bool translating) {
#ifdef TRACE_DEBUG
dr_fprintf(STDERR,
"debug: handle_trace(tag=%p, translating=%u)\n",
tag,
translating);
#endif
check_ctx(ctx, "handle_trace");
handle_frag(ctx, tag, trace, !translating, true, FRAG_ID_MSB);
return DR_EMIT_DEFAULT;
}
static enum clnt_stat
nfs3_call(int proc, void *arg, xdrproc_t xdr_proc, nfs_ctx *ctx, user_cb u_cb,
void * priv, int64_t callflag)
{
int sockp = RPC_ANYSOCK;
int flag = 1;
struct callback_info cbi;
struct rpc_proc_info rpc;
if(!check_ctx(ctx))
return RPC_SYSTEMERROR;
if(ctx->nfs_cl == NULL) {
if(ctx->nfs_connflags & NFSC_CFL_NONBLOCKING)
ctx->nfs_cl = clnttcp_nb_create(ctx->nfs_srv, NFS_PROGRAM,
NFS_V3, &sockp, ctx->nfs_wsize,
ctx->nfs_rsize);
else
ctx->nfs_cl = clnttcp_b_create(ctx->nfs_srv, NFS_PROGRAM,
NFS_V3, &sockp, ctx->nfs_wsize,
ctx->nfs_rsize);
if(ctx->nfs_connflags & NFSC_CFL_DISABLE_NAGLE)
setsockopt(sockp, IPPROTO_TCP, TCP_NODELAY, (char *)&flag,
sizeof(flag));
}
if(ctx->nfs_cl == NULL)
return RPC_SYSTEMERROR;
cbi.callback = u_cb;
cbi.cb_private = priv;
rpc.proc = proc;
rpc.inproc = xdr_proc;
rpc.inargs = (caddr_t)arg;
return clnttcp_nb_call(ctx->nfs_cl, rpc, cbi, callflag);
}
