added debug_insn_start debug instruction
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4531 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 4e3094b..1c1bb9f 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -743,17 +743,31 @@
const uint16_t *opc_ptr;
const TCGArg *args;
TCGArg arg;
- int c, i, k, nb_oargs, nb_iargs, nb_cargs;
+ int c, i, k, nb_oargs, nb_iargs, nb_cargs, first_insn;
const TCGOpDef *def;
char buf[128];
+ first_insn = 1;
opc_ptr = gen_opc_buf;
args = gen_opparam_buf;
while (opc_ptr < gen_opc_ptr) {
c = *opc_ptr++;
def = &tcg_op_defs[c];
- fprintf(outfile, " %s ", def->name);
- if (c == INDEX_op_call) {
+ if (c == INDEX_op_debug_insn_start) {
+ uint64_t pc;
+#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
+ pc = ((uint64_t)args[1] << 32) | args[0];
+#else
+ pc = args[0];
+#endif
+ if (!first_insn)
+ fprintf(outfile, "\n");
+ fprintf(outfile, " ---- 0x%" PRIx64, pc);
+ first_insn = 0;
+ nb_oargs = def->nb_oargs;
+ nb_iargs = def->nb_iargs;
+ nb_cargs = def->nb_cargs;
+ } else if (c == INDEX_op_call) {
TCGArg arg;
/* variable number of arguments */
@@ -762,6 +776,8 @@
nb_iargs = arg & 0xffff;
nb_cargs = def->nb_cargs;
+ fprintf(outfile, " %s ", def->name);
+
/* function name */
fprintf(outfile, "%s",
tcg_get_helper_str_idx(s, buf, sizeof(buf), args[nb_oargs + nb_iargs - 1]));
@@ -785,6 +801,7 @@
}
}
} else {
+ fprintf(outfile, " %s ", def->name);
if (c == INDEX_op_nopn) {
/* variable number of arguments */
nb_cargs = *args;
@@ -1037,6 +1054,9 @@
/* mark end of basic block */
tcg_la_bb_end(s, dead_temps);
break;
+ case INDEX_op_debug_insn_start:
+ args -= def->nb_args;
+ break;
case INDEX_op_nopn:
nb_args = args[-1];
args -= nb_args;
@@ -1840,6 +1860,9 @@
dead_iargs = s->op_dead_iargs[op_index];
tcg_reg_alloc_mov(s, def, args, dead_iargs);
break;
+ case INDEX_op_debug_insn_start:
+ /* debug instruction */
+ break;
case INDEX_op_nop:
case INDEX_op_nop1:
case INDEX_op_nop2:
