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-rw-r--r--erts/emulator/beam/beam_debug.c38
-rw-r--r--erts/emulator/beam/beam_emu.c7
-rw-r--r--erts/emulator/beam/beam_load.c43
3 files changed, 67 insertions, 21 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index d8303a651a..70078c8c59 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -201,7 +201,7 @@ void debug_dump_code(BeamInstr *I, int num)
for (i = 0; i < NUM_SPECIFIC_OPS; i++) {
if (BeamIsOpCode(instr, i) && opc[i].name[0] != '\0') {
code_ptr += print_op(ERTS_PRINT_DSBUF, (void *) dsbufp,
- i, opc[i].sz-1, code_ptr+1) + 1;
+ i, opc[i].sz-1, code_ptr) + 1;
break;
}
}
@@ -321,7 +321,7 @@ erts_debug_disassemble_1(BIF_ALIST_1)
for (i = 0; i < NUM_SPECIFIC_OPS; i++) {
if (BeamIsOpCode(instr, i) && opc[i].name[0] != '\0') {
code_ptr += print_op(ERTS_PRINT_DSBUF, (void *) dsbufp,
- i, opc[i].sz-1, code_ptr+1) + 1;
+ i, opc[i].sz-1, code_ptr) + 1;
break;
}
}
@@ -405,8 +405,11 @@ print_op(fmtfn_t to, void *to_arg, int op, int size, BeamInstr* addr)
* Avoid copying because instructions containing bignum operands
* are bigger than actually declared.
*/
- ap = (BeamInstr *) addr;
+ addr++;
+ ap = addr;
} else {
+ BeamInstr instr_word = addr++[0];
+
/*
* Copy all arguments to a local buffer for the unpacking.
*/
@@ -431,23 +434,22 @@ print_op(fmtfn_t to, void *to_arg, int op, int size, BeamInstr* addr)
case 'q':
*ap++ = *--sp;
break;
- case 'i': /* Initialize packing accumulator. */
- *ap++ = packed;
- break;
- case 's':
- *ap++ = packed & 0x3ff;
- packed >>= 10;
+#ifdef ARCH_64
+ case '1': /* Tightest shift */
+ *ap++ = (packed & BEAM_TIGHTEST_MASK) << 3;
+ packed >>= BEAM_TIGHTEST_SHIFT;
break;
- case '0': /* Tight shift */
+#endif
+ case '2': /* Tight shift */
*ap++ = packed & BEAM_TIGHT_MASK;
packed >>= BEAM_TIGHT_SHIFT;
break;
- case '6': /* Shift 16 steps */
+ case '3': /* Loose shift */
*ap++ = packed & BEAM_LOOSE_MASK;
packed >>= BEAM_LOOSE_SHIFT;
break;
#ifdef ARCH_64
- case 'w': /* Shift 32 steps */
+ case '4': /* Shift 32 steps */
*ap++ = packed & BEAM_WIDE_MASK;
packed >>= BEAM_WIDE_SHIFT;
break;
@@ -458,8 +460,18 @@ print_op(fmtfn_t to, void *to_arg, int op, int size, BeamInstr* addr)
case 'P':
packed = *--sp;
break;
+#if defined(ARCH_64) && defined(CODE_MODEL_SMALL)
+ case '#': /* -1 */
+ case '$': /* -2 */
+ case '%': /* -3 */
+ case '&': /* -4 */
+ case '\'': /* -5 */
+ case '(': /* -6 */
+ packed = (packed << BEAM_WIDE_SHIFT) | BeamExtraData(instr_word);
+ break;
+#endif
default:
- ASSERT(0);
+ erts_exit(ERTS_ERROR_EXIT, "beam_debug: invalid packing op: %c\n", *prog);
}
}
ap = args;
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 6a45087a34..73c4e3532b 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -234,15 +234,18 @@ void** beam_ops;
#define fb(N) ((Sint)(Sint32)(N))
#define jb(N) ((Sint)(Sint32)(N))
#define tb(N) (N)
-#define xb(N) (*(Eterm *) (((unsigned char *)reg) + (N)))
-#define yb(N) (*(Eterm *) (((unsigned char *)E) + (N)))
+#define xb(N) (*ADD_BYTE_OFFSET(reg, N))
+#define yb(N) (*ADD_BYTE_OFFSET(E, N))
#define Sb(N) (*REG_TARGET_PTR(N))
#define lb(N) (*(double *) (((unsigned char *)&(freg[0].fd)) + (N)))
#define Qb(N) (N)
#define Ib(N) (N)
+
#define x(N) reg[N]
#define y(N) E[N]
#define r(N) x(N)
+#define Q(N) (N*sizeof(Eterm *))
+#define l(N) (freg[N].fd)
/*
* Check that we haven't used the reductions and jump to function pointed to by
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 9835b1c096..00dd28b26c 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -2578,23 +2578,31 @@ load_code(LoaderState* stp)
sp++;
}
break;
- case 'i': /* Initialize packing accumulator. */
- packed = code[--ci];
+#ifdef ARCH_64
+ case '1': /* Tightest shift (always 10 bits) */
+ ci--;
+ ASSERT((code[ci] & ~0x1FF8ull) == 0); /* Fits in 10 bits */
+ packed = (packed << BEAM_TIGHTEST_SHIFT);
+ packed |= code[ci] >> 3;
+ if (packed_label) {
+ packed_label->packed++;
+ }
break;
- case '0': /* Tight shift */
+#endif
+ case '2': /* Tight shift (10 or 16 bits) */
packed = (packed << BEAM_TIGHT_SHIFT) | code[--ci];
if (packed_label) {
packed_label->packed++;
}
break;
- case '6': /* Shift 16 steps */
+ case '3': /* Loose shift (16 bits) */
packed = (packed << BEAM_LOOSE_SHIFT) | code[--ci];
if (packed_label) {
packed_label->packed++;
}
break;
#ifdef ARCH_64
- case 'w': /* Shift 32 steps */
+ case '4': /* Wide shift (32 bits) */
{
Uint w = code[--ci];
@@ -2646,8 +2654,31 @@ load_code(LoaderState* stp)
sp++;
packed = 0;
break;
+#if defined(ARCH_64) && defined(CODE_MODEL_SMALL)
+ case '#': /* -1 */
+ case '$': /* -2 */
+ case '%': /* -3 */
+ case '&': /* -4 */
+ case '\'': /* -5 */
+ case '(': /* -6 */
+ /* Pack accumulator contents into instruction word. */
+ {
+ Sint pos = ci - (*prog - '#' + 1);
+ /* Are the high 32 bits of the instruction word zero? */
+ ASSERT((code[pos] & ~((1ull << BEAM_WIDE_SHIFT)-1)) == 0);
+ code[pos] |= packed << BEAM_WIDE_SHIFT;
+ if (packed_label) {
+ ASSERT(packed_label->packed == 1);
+ packed_label->pos = pos;
+ packed_label->packed = 2;
+ packed_label = 0;
+ }
+ packed >>= BEAM_WIDE_SHIFT;
+ }
+ break;
+#endif
default:
- ASSERT(0);
+ erts_exit(ERTS_ERROR_EXIT, "beam_load: invalid packing op: %c\n", *prog);
}
}
ASSERT(sp == stack); /* Incorrect program? */
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