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-rw-r--r--erts/emulator/beam/beam_debug.c152
1 files changed, 80 insertions, 72 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 90985e4f53..21d336049f 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1998-2013. All Rights Reserved.
+ * Copyright Ericsson AB 1998-2016. 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.
@@ -50,7 +50,7 @@
void dbg_bt(Process* p, Eterm* sp);
void dbg_where(BeamInstr* addr, Eterm x0, Eterm* reg);
-static int print_op(int to, void *to_arg, int op, int size, BeamInstr* addr);
+static int print_op(fmtfn_t to, void *to_arg, int op, int size, BeamInstr* addr);
BIF_RETTYPE
erts_debug_same_2(BIF_ALIST_2)
@@ -73,6 +73,40 @@ erts_debug_flat_size_1(BIF_ALIST_1)
}
}
+BIF_RETTYPE
+erts_debug_size_shared_1(BIF_ALIST_1)
+{
+ Process* p = BIF_P;
+ Eterm term = BIF_ARG_1;
+ Uint size = size_shared(term);
+
+ if (IS_USMALL(0, size)) {
+ BIF_RET(make_small(size));
+ } else {
+ Eterm* hp = HAlloc(p, BIG_UINT_HEAP_SIZE);
+ BIF_RET(uint_to_big(size, hp));
+ }
+}
+
+BIF_RETTYPE
+erts_debug_copy_shared_1(BIF_ALIST_1)
+{
+ Process* p = BIF_P;
+ Eterm term = BIF_ARG_1;
+ Uint size;
+ Eterm* hp;
+ Eterm copy;
+ erts_shcopy_t info;
+ INITIALIZE_SHCOPY(info);
+
+ size = copy_shared_calculate(term, &info);
+ if (size > 0) {
+ hp = HAlloc(p, size);
+ }
+ copy = copy_shared_perform(term, size, &info, &hp, &p->off_heap);
+ DESTROY_SHCOPY(info);
+ BIF_RET(copy);
+}
BIF_RETTYPE
erts_debug_breakpoint_2(BIF_ALIST_2)
@@ -208,7 +242,7 @@ erts_debug_disassemble_1(BIF_ALIST_1)
Eterm bin;
Eterm mfa;
BeamInstr* funcinfo = NULL; /* Initialized to eliminate warning. */
- BeamInstr* code_base;
+ BeamCodeHeader* code_hdr;
BeamInstr* code_ptr = NULL; /* Initialized to eliminate warning. */
BeamInstr instr;
BeamInstr uaddr;
@@ -258,12 +292,12 @@ erts_debug_disassemble_1(BIF_ALIST_1)
*/
code_ptr = ((BeamInstr *) ep->addressv[code_ix]) - 5;
funcinfo = code_ptr+2;
- } else if (modp == NULL || (code_base = modp->curr.code) == NULL) {
+ } else if (modp == NULL || (code_hdr = modp->curr.code_hdr) == NULL) {
BIF_RET(am_undef);
} else {
- n = code_base[MI_NUM_FUNCTIONS];
+ n = code_hdr->num_functions;
for (i = 0; i < n; i++) {
- code_ptr = (BeamInstr *) code_base[MI_FUNCTIONS+i];
+ code_ptr = code_hdr->functions[i];
if (code_ptr[3] == name && code_ptr[4] == arity) {
funcinfo = code_ptr+2;
break;
@@ -343,7 +377,7 @@ dbg_where(BeamInstr* addr, Eterm x0, Eterm* reg)
}
static int
-print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
+print_op(fmtfn_t to, void *to_arg, int op, int size, BeamInstr* addr)
{
int i;
BeamInstr tag;
@@ -397,7 +431,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
packed >>= 10;
break;
case '0': /* Tight shift */
- *ap++ = packed & (BEAM_TIGHT_MASK / sizeof(Eterm));
+ *ap++ = packed & BEAM_TIGHT_MASK;
packed >>= BEAM_TIGHT_SHIFT;
break;
case '6': /* Shift 16 steps */
@@ -432,39 +466,33 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
while (*sign) {
switch (*sign) {
case 'r': /* x(0) */
- erts_print(to, to_arg, "x(0)");
+ erts_print(to, to_arg, "r(0)");
break;
case 'x': /* x(N) */
- if (reg_index(ap[0]) == 0) {
- erts_print(to, to_arg, "x[0]");
- } else {
- erts_print(to, to_arg, "x(%d)", reg_index(ap[0]));
+ {
+ Uint n = ap[0] / sizeof(Eterm);
+ erts_print(to, to_arg, "x(%d)", n);
+ ap++;
}
- ap++;
break;
case 'y': /* y(N) */
- erts_print(to, to_arg, "y(%d)", reg_index(ap[0]) - CP_SIZE);
- ap++;
+ {
+ Uint n = ap[0] / sizeof(Eterm) - CP_SIZE;
+ erts_print(to, to_arg, "y(%d)", n);
+ ap++;
+ }
break;
case 'n': /* Nil */
erts_print(to, to_arg, "[]");
break;
case 's': /* Any source (tagged constant or register) */
- tag = beam_reg_tag(*ap);
- if (tag == X_REG_DEF) {
- if (reg_index(*ap) == 0) {
- erts_print(to, to_arg, "x[0]");
- } else {
- erts_print(to, to_arg, "x(%d)", reg_index(*ap));
- }
- ap++;
- break;
- } else if (tag == Y_REG_DEF) {
- erts_print(to, to_arg, "y(%d)", reg_index(*ap) - CP_SIZE);
+ tag = loader_tag(*ap);
+ if (tag == LOADER_X_REG) {
+ erts_print(to, to_arg, "x(%d)", loader_x_reg_index(*ap));
ap++;
break;
- } else if (tag == R_REG_DEF) {
- erts_print(to, to_arg, "x(0)");
+ } else if (tag == LOADER_Y_REG) {
+ erts_print(to, to_arg, "y(%d)", loader_y_reg_index(*ap) - CP_SIZE);
ap++;
break;
}
@@ -481,20 +509,12 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
ap++;
break;
case 'd': /* Destination (x(0), x(N), y(N)) */
- switch (beam_reg_tag(*ap)) {
- case X_REG_DEF:
- if (reg_index(*ap) == 0) {
- erts_print(to, to_arg, "x[0]");
- } else {
- erts_print(to, to_arg, "x(%d)", reg_index(*ap));
- }
- break;
- case Y_REG_DEF:
- erts_print(to, to_arg, "y(%d)", reg_index(*ap) - CP_SIZE);
- break;
- case R_REG_DEF:
- erts_print(to, to_arg, "x(0)");
- break;
+ if (*ap & 1) {
+ erts_print(to, to_arg, "y(%d)",
+ *ap / sizeof(Eterm) - CP_SIZE);
+ } else {
+ erts_print(to, to_arg, "x(%d)",
+ *ap / sizeof(Eterm));
}
ap++;
break;
@@ -561,7 +581,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
ap++;
break;
case 'l': /* fr(N) */
- erts_print(to, to_arg, "fr(%d)", reg_index(ap[0]));
+ erts_print(to, to_arg, "fr(%d)", loader_reg_index(ap[0]));
ap++;
break;
default:
@@ -580,7 +600,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
unpacked = ap;
ap = addr + size;
switch (op) {
- case op_i_select_val_lins_rfI:
case op_i_select_val_lins_xfI:
case op_i_select_val_lins_yfI:
{
@@ -600,7 +619,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
- case op_i_select_val_bins_rfI:
case op_i_select_val_bins_xfI:
case op_i_select_val_bins_yfI:
{
@@ -614,7 +632,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
- case op_i_select_tuple_arity_rfI:
case op_i_select_tuple_arity_xfI:
case op_i_select_tuple_arity_yfI:
{
@@ -639,7 +656,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
- case op_i_jump_on_val_rfII:
case op_i_jump_on_val_xfII:
case op_i_jump_on_val_yfII:
{
@@ -651,7 +667,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
- case op_i_jump_on_val_zero_rfI:
case op_i_jump_on_val_zero_xfI:
case op_i_jump_on_val_zero_yfI:
{
@@ -663,7 +678,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
}
}
break;
- case op_i_put_tuple_rI:
case op_i_put_tuple_xI:
case op_i_put_tuple_yI:
case op_new_map_dII:
@@ -673,20 +687,16 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
int n = unpacked[-1];
while (n > 0) {
- if (!is_header(ap[0])) {
+ switch (loader_tag(ap[0])) {
+ case LOADER_X_REG:
+ erts_print(to, to_arg, " x(%d)", loader_x_reg_index(ap[0]));
+ break;
+ case LOADER_Y_REG:
+ erts_print(to, to_arg, " x(%d)", loader_y_reg_index(ap[0]));
+ break;
+ default:
erts_print(to, to_arg, " %T", (Eterm) ap[0]);
- } else {
- switch ((ap[0] >> 2) & 0x03) {
- case R_REG_DEF:
- erts_print(to, to_arg, " x(0)");
- break;
- case X_REG_DEF:
- erts_print(to, to_arg, " x(%d)", ap[0] >> 4);
- break;
- case Y_REG_DEF:
- erts_print(to, to_arg, " y(%d)", ap[0] >> 4);
- break;
- }
+ break;
}
ap++, size++, n--;
}
@@ -699,18 +709,16 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr)
while (n > 0) {
if (n % 3 == 1) {
erts_print(to, to_arg, " %X", ap[0]);
- } else if (!is_header(ap[0])) {
- erts_print(to, to_arg, " %T", (Eterm) ap[0]);
} else {
- switch ((ap[0] >> 2) & 0x03) {
- case R_REG_DEF:
- erts_print(to, to_arg, " x(0)");
+ switch (loader_tag(ap[0])) {
+ case LOADER_X_REG:
+ erts_print(to, to_arg, " x(%d)", loader_x_reg_index(ap[0]));
break;
- case X_REG_DEF:
- erts_print(to, to_arg, " x(%d)", ap[0] >> 4);
+ case LOADER_Y_REG:
+ erts_print(to, to_arg, " y(%d)", loader_y_reg_index(ap[0]));
break;
- case Y_REG_DEF:
- erts_print(to, to_arg, " y(%d)", ap[0] >> 4);
+ default:
+ erts_print(to, to_arg, " %T", (Eterm) ap[0]);
break;
}
}
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