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-rw-r--r--erts/emulator/hipe/hipe_instrs.tab141
1 files changed, 141 insertions, 0 deletions
diff --git a/erts/emulator/hipe/hipe_instrs.tab b/erts/emulator/hipe/hipe_instrs.tab
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+++ b/erts/emulator/hipe/hipe_instrs.tab
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+// -*- c -*-
+//
+// %CopyrightBegin%
+//
+// Copyright Ericsson AB 2017. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// %CopyrightEnd%
+//
+
+
+HIPE_MODE_SWITCH(Cmd) {
+ SWAPOUT;
+ ERTS_DBG_CHK_REDS(c_p, FCALLS);
+ c_p->fcalls = FCALLS;
+ c_p->def_arg_reg[4] = -neg_o_reds;
+ c_p = hipe_mode_switch(c_p, $Cmd, reg);
+}
+
+hipe_trap_call := hipe_trap.call.post;
+hipe_trap_call_closure := hipe_trap.call_closure.post;
+hipe_trap_return := hipe_trap.return.post;
+hipe_trap_throw := hipe_trap.throw.post;
+hipe_trap_resume := hipe_trap.resume.post;
+
+hipe_trap.call() {
+ /*
+ * I[-5]: &&lb_i_func_info_IaaI
+ * I[-4]: Native code callee (inserted by HiPE)
+ * I[-3]: Module (tagged atom)
+ * I[-2]: Function (tagged atom)
+ * I[-1]: Arity (untagged integer)
+ * I[ 0]: &&lb_hipe_trap_call
+ * ... remainder of original BEAM code
+ */
+ ErtsCodeInfo *ci = erts_code_to_codeinfo(I);
+ ASSERT(ci->op == (Uint) OpCode(i_func_info_IaaI));
+ c_p->hipe.u.ncallee = ci->u.ncallee;
+ ++hipe_trap_count;
+ $HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_CALL | (ci->mfa.arity << 8));
+}
+
+hipe_trap.call_closure() {
+ ErtsCodeInfo *ci = erts_code_to_codeinfo(I);
+ ASSERT(ci->op == (Uint) OpCode(i_func_info_IaaI));
+ c_p->hipe.u.ncallee = ci->u.ncallee;
+ ++hipe_trap_count;
+ $HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_CALL_CLOSURE | (ci->mfa.arity << 8));
+}
+
+hipe_trap.return() {
+ $HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_RETURN);
+}
+
+hipe_trap.throw() {
+ $HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_THROW);
+}
+
+hipe_trap.resume() {
+ $HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_RESUME);
+}
+
+hipe_trap.post() {
+#ifdef DEBUG
+ pid = c_p->common.id; /* may have switched process... */
+#endif
+ reg = erts_proc_sched_data(c_p)->x_reg_array;
+ freg = erts_proc_sched_data(c_p)->f_reg_array;
+ ERL_BITS_RELOAD_STATEP(c_p);
+ /* XXX: this abuse of def_arg_reg[] is horrid! */
+ neg_o_reds = -c_p->def_arg_reg[4];
+ FCALLS = c_p->fcalls;
+ SWAPIN;
+ ERTS_DBG_CHK_REDS(c_p, FCALLS);
+ switch( c_p->def_arg_reg[3] ) {
+ case HIPE_MODE_SWITCH_RES_RETURN:
+ ASSERT(is_value(reg[0]));
+ SET_I(c_p->cp);
+ c_p->cp = 0;
+ Goto(*I);
+ case HIPE_MODE_SWITCH_RES_CALL_EXPORTED:
+ c_p->i = c_p->hipe.u.callee_exp->addressv[erts_active_code_ix()];
+ /*fall through*/
+ case HIPE_MODE_SWITCH_RES_CALL_BEAM:
+ SET_I(c_p->i);
+ Dispatch();
+ case HIPE_MODE_SWITCH_RES_CALL_CLOSURE:
+ /* This can be used to call any function value, but currently
+ it's only used to call closures referring to unloaded
+ modules. */
+ {
+ BeamInstr *next;
+
+ next = call_fun(c_p, c_p->arity - 1, reg, THE_NON_VALUE);
+ HEAVY_SWAPIN;
+ if (next != NULL) {
+ SET_I(next);
+ Dispatchfun();
+ }
+ goto find_func_info;
+ }
+ case HIPE_MODE_SWITCH_RES_THROW:
+ c_p->cp = NULL;
+ I = handle_error(c_p, I, reg, NULL);
+ goto post_error_handling;
+ default:
+ erts_exit(ERTS_ERROR_EXIT, "hipe_mode_switch: result %u\n", c_p->def_arg_reg[3]);
+ }
+ //| -no_next;
+}
+
+hipe_call_count() {
+ /*
+ * I[-5]: &&lb_i_func_info_IaaI
+ * I[-4]: pointer to struct hipe_call_count (inserted by HiPE)
+ * I[-3]: Module (tagged atom)
+ * I[-2]: Function (tagged atom)
+ * I[-1]: Arity (untagged integer)
+ * I[ 0]: &&lb_hipe_call_count
+ * ... remainder of original BEAM code
+ */
+ ErtsCodeInfo *ci = erts_code_to_codeinfo(I);
+ struct hipe_call_count *hcc = ci->u.hcc;
+ ASSERT(ci->op == (Uint) OpCode(i_func_info_IaaI));
+ ASSERT(hcc != NULL);
+ ASSERT(VALID_INSTR(hcc->opcode));
+ ++(hcc->count);
+ Goto(hcc->opcode);
+ //| -no_next;
+}