aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/big.c24
-rw-r--r--erts/emulator/beam/big.h2
-rw-r--r--erts/emulator/beam/erl_bif_binary.c16
-rw-r--r--erts/emulator/beam/erl_init.c6
-rw-r--r--erts/emulator/beam/erl_port_task.c9
-rw-r--r--erts/emulator/beam/io.c2
6 files changed, 35 insertions, 24 deletions
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index 41a041eba6..e62caa6b22 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -274,6 +274,9 @@
_b = _b << _s; \
_vn1 = _b >> H_EXP; \
_vn0 = _b & LO_MASK; \
+ /* Sometimes _s is 0 which triggers undefined behaviour for the \
+ (_a0>>(D_EXP-_s)) shift, but this is ok because the \
+ & -s will make it all to 0 later anyways. */ \
_un32 = (_a1 << _s) | ((_a0>>(D_EXP-_s)) & (-_s >> (D_EXP-1))); \
_un10 = _a0 << _s; \
_un1 = _un10 >> H_EXP; \
@@ -1506,13 +1509,15 @@ Eterm uword_to_big(UWord x, Eterm *y)
*/
Eterm small_to_big(Sint x, Eterm *y)
{
+ Uint xu;
if (x >= 0) {
+ xu = x;
*y = make_pos_bignum_header(1);
} else {
- x = -x;
+ xu = -(Uint)x;
*y = make_neg_bignum_header(1);
}
- BIG_DIGIT(y, 0) = x;
+ BIG_DIGIT(y, 0) = xu;
return make_big(y);
}
@@ -1540,21 +1545,24 @@ Eterm erts_uint64_to_big(Uint64 x, Eterm **hpp)
Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp)
{
Eterm *hp = *hpp;
+ Uint64 ux;
int neg;
- if (x >= 0)
+ if (x >= 0) {
neg = 0;
+ ux = x;
+ }
else {
neg = 1;
- x = -x;
+ ux = -(Uint64)x;
}
#if defined(ARCH_32) || HALFWORD_HEAP
- if (x >= (((Uint64) 1) << 32)) {
+ if (ux >= (((Uint64) 1) << 32)) {
if (neg)
*hp = make_neg_bignum_header(2);
else
*hp = make_pos_bignum_header(2);
- BIG_DIGIT(hp, 0) = (Uint) (x & ((Uint) 0xffffffff));
- BIG_DIGIT(hp, 1) = (Uint) ((x >> 32) & ((Uint) 0xffffffff));
+ BIG_DIGIT(hp, 0) = (Uint) (ux & ((Uint) 0xffffffff));
+ BIG_DIGIT(hp, 1) = (Uint) ((ux >> 32) & ((Uint) 0xffffffff));
*hpp += 3;
}
else
@@ -1564,7 +1572,7 @@ Eterm erts_sint64_to_big(Sint64 x, Eterm **hpp)
*hp = make_neg_bignum_header(1);
else
*hp = make_pos_bignum_header(1);
- BIG_DIGIT(hp, 0) = (Uint) x;
+ BIG_DIGIT(hp, 0) = (Uint) ux;
*hpp += 2;
}
return make_big(hp);
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h
index d80111822e..da31876d75 100644
--- a/erts/emulator/beam/big.h
+++ b/erts/emulator/beam/big.h
@@ -101,7 +101,7 @@ typedef Uint dsize_t; /* Vector size type */
#define ERTS_SINT64_HEAP_SIZE(X) \
(IS_SSMALL((X)) \
? 0 \
- : ERTS_UINT64_BIG_HEAP_SIZE__((X) >= 0 ? (X) : -(X)))
+ : ERTS_UINT64_BIG_HEAP_SIZE__((X) >= 0 ? (X) : -(Uint64)(X)))
#define ERTS_UINT64_HEAP_SIZE(X) \
(IS_USMALL(0, (X)) ? 0 : ERTS_UINT64_BIG_HEAP_SIZE__((X)))
diff --git a/erts/emulator/beam/erl_bif_binary.c b/erts/emulator/beam/erl_bif_binary.c
index 7e0e825a0d..3bf78adce7 100644
--- a/erts/emulator/beam/erl_bif_binary.c
+++ b/erts/emulator/beam/erl_bif_binary.c
@@ -1324,9 +1324,9 @@ static int parse_match_opts_list(Eterm l, Eterm bin, Uint *posp, Uint *endp)
goto badarg;
}
if (len < 0) {
- Sint lentmp = -len;
+ Uint lentmp = -(Uint)len;
/* overflow */
- if (lentmp == len || lentmp < 0 || -lentmp != len) {
+ if ((Sint)lentmp < 0) {
goto badarg;
}
len = lentmp;
@@ -1555,9 +1555,9 @@ BIF_RETTYPE erts_binary_part(Process *p, Eterm binary, Eterm epos, Eterm elen)
goto badarg;
}
if (len < 0) {
- Sint lentmp = -len;
+ Uint lentmp = -(Uint)len;
/* overflow */
- if (lentmp == len || lentmp < 0 || -lentmp != len) {
+ if ((Sint)lentmp < 0) {
goto badarg;
}
len = lentmp;
@@ -1644,9 +1644,9 @@ BIF_RETTYPE erts_gc_binary_part(Process *p, Eterm *reg, Eterm live, int range_is
goto badarg;
}
if (len < 0) {
- Sint lentmp = -len;
+ Uint lentmp = -(Uint)len;
/* overflow */
- if (lentmp == len || lentmp < 0 || -lentmp != len) {
+ if ((Sint)lentmp < 0) {
goto badarg;
}
len = lentmp;
@@ -2213,9 +2213,9 @@ static BIF_RETTYPE binary_bin_to_list_common(Process *p,
goto badarg;
}
if (len < 0) {
- Sint lentmp = -len;
+ Uint lentmp = -(Uint)len;
/* overflow */
- if (lentmp == len || lentmp < 0 || -lentmp != len) {
+ if ((Sint)lentmp < 0) {
goto badarg;
}
len = lentmp;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 5e6d812242..88c4006934 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -2066,8 +2066,10 @@ erl_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2)
system_cleanup(flush_async);
save_statistics();
-
- an = abs(n);
+ if (n < 0)
+ an = -(unsigned int)n;
+ else
+ an = n;
if (erts_mtrace_enabled)
erts_mtrace_exit((Uint32) an);
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 31d9a1e26e..2fc95ed5d8 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -798,12 +798,13 @@ schedule_port_task_handle_list_free(ErtsPortTaskHandleList *pthlp)
static ERTS_INLINE void
abort_nosuspend_task(Port *pp,
ErtsPortTaskType type,
- ErtsPortTaskTypeData *tdp)
+ ErtsPortTaskTypeData *tdp,
+ int bpq_data)
{
ASSERT(type == ERTS_PORT_TASK_PROC_SIG);
- if (!pp->sched.taskq.bpq)
+ if (!bpq_data)
tdp->psig.callback(NULL,
ERTS_PORT_SFLG_INVALID,
ERTS_PROC2PORT_SIG_ABORT_NOSUSPEND,
@@ -1345,7 +1346,7 @@ erts_port_task_abort_nosuspend_tasks(Port *pp)
#endif
schedule_port_task_handle_list_free(pthlp);
- abort_nosuspend_task(pp, type, &td);
+ abort_nosuspend_task(pp, type, &td, pp->sched.taskq.bpq != NULL);
}
}
@@ -1525,7 +1526,7 @@ abort_nosuspend:
erts_port_dec_refc(pp);
#endif
- abort_nosuspend_task(pp, ptp->type, &ptp->u.alive.td);
+ abort_nosuspend_task(pp, ptp->type, &ptp->u.alive.td, 0);
ASSERT(ns_pthlp);
erts_free(ERTS_ALC_T_PT_HNDL_LIST, ns_pthlp);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index d028737664..0f86d8e41d 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -7166,7 +7166,7 @@ char *driver_dl_error(void)
#define ERL_DRV_SYS_INFO_SIZE(LAST_FIELD) \
- (((size_t) &((ErlDrvSysInfo *) 0)->LAST_FIELD) \
+ (offsetof(ErlDrvSysInfo, LAST_FIELD) \
+ sizeof(((ErlDrvSysInfo *) 0)->LAST_FIELD))
void
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-18 16:35:34 +0000