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-rw-r--r--erts/emulator/beam/beam_emu.c79
1 files changed, 13 insertions, 66 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index e36ac1f1e6..2f90f67351 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -998,8 +998,8 @@ static void save_stacktrace(Process* c_p, BeamInstr* pc, Eterm* reg,
BifFunction bf, Eterm args);
static struct StackTrace * get_trace_from_exc(Eterm exc);
static Eterm make_arglist(Process* c_p, Eterm* reg, int a);
-static Eterm call_error_handler(Process* p, BeamInstr* ip, Eterm* reg);
-static Eterm call_breakpoint_handler(Process* p, BeamInstr* fi, Eterm* reg);
+static BeamInstr* call_error_handler(Process* p, BeamInstr* ip,
+ Eterm* reg, Eterm func);
static BeamInstr* fixed_apply(Process* p, Eterm* reg, Uint arity);
static BeamInstr* apply(Process* p, Eterm module, Eterm function,
Eterm args, Eterm* reg);
@@ -2976,12 +2976,11 @@ void process_main(void)
*/
SWAPOUT;
reg[0] = r(0);
- tmp_arg1 = call_error_handler(c_p, I-3, reg);
+ I = call_error_handler(c_p, I-3, reg, am_undefined_function);
r(0) = reg[0];
SWAPIN;
- if (tmp_arg1) {
- SET_I(c_p->i);
- Dispatch();
+ if (I) {
+ Goto(*I);
}
/* Fall through */
@@ -4884,12 +4883,11 @@ apply_bif_or_nif_epilogue:
OpCase(i_debug_breakpoint): {
SWAPOUT;
reg[0] = r(0);
- tmp_arg1 = call_breakpoint_handler(c_p, I-3, reg);
+ I = call_error_handler(c_p, I-3, reg, am_breakpoint);
r(0) = reg[0];
SWAPIN;
- if (tmp_arg1) {
- SET_I(c_p->i);
- Dispatch();
+ if (I) {
+ Goto(*I);
}
goto no_error_handler;
}
@@ -5639,8 +5637,8 @@ build_stacktrace(Process* c_p, Eterm exc) {
}
-static Eterm
-call_error_handler(Process* p, BeamInstr* fi, Eterm* reg)
+static BeamInstr*
+call_error_handler(Process* p, BeamInstr* fi, Eterm* reg, Eterm func)
{
Eterm* hp;
Export* ep;
@@ -5652,62 +5650,12 @@ call_error_handler(Process* p, BeamInstr* fi, Eterm* reg)
/*
* Search for the error_handler module.
*/
- ep = erts_find_function(erts_proc_get_error_handler(p),
- am_undefined_function, 3);
- if (ep == NULL) { /* No error handler */
- p->current = fi;
- p->freason = EXC_UNDEF;
- return 0;
- }
- p->i = ep->address;
-
- /*
- * Create a list with all arguments in the x registers.
- */
-
- arity = fi[2];
- sz = 2 * arity;
- if (HeapWordsLeft(p) < sz) {
- erts_garbage_collect(p, sz, reg, arity);
- }
- hp = HEAP_TOP(p);
- HEAP_TOP(p) += sz;
- args = NIL;
- for (i = arity-1; i >= 0; i--) {
- args = CONS(hp, reg[i], args);
- hp += 2;
- }
-
- /*
- * Set up registers for call to error_handler:undefined_function/3.
- */
- reg[0] = fi[0];
- reg[1] = fi[1];
- reg[2] = args;
- return 1;
-}
-
-static Eterm
-call_breakpoint_handler(Process* p, BeamInstr* fi, Eterm* reg)
-{
- Eterm* hp;
- Export* ep;
- int arity;
- Eterm args;
- Uint sz;
- int i;
-
- /*
- * Search for error handler module.
- */
- ep = erts_find_function(erts_proc_get_error_handler(p),
- am_breakpoint, 3);
+ ep = erts_find_function(erts_proc_get_error_handler(p), func, 3);
if (ep == NULL) { /* No error handler */
p->current = fi;
p->freason = EXC_UNDEF;
return 0;
}
- p->i = ep->address;
/*
* Create a list with all arguments in the x registers.
@@ -5727,15 +5675,14 @@ call_breakpoint_handler(Process* p, BeamInstr* fi, Eterm* reg)
}
/*
- * Set up registers for call to error_handler:breakpoint/3.
+ * Set up registers for call to error_handler:<func>/3.
*/
reg[0] = fi[0];
reg[1] = fi[1];
reg[2] = args;
- return 1;
+ return ep->address;
}
-
static Export*
apply_setup_error_handler(Process* p, Eterm module, Eterm function, Uint arity, Eterm* reg)