diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/dwarf2/abbrev.c | 5 | ||||
| -rw-r--r-- | gdbsupport/ChangeLog | 5 | ||||
| -rw-r--r-- | gdbsupport/btrace-common.cc | 3 |
4 files changed, 15 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 67aa8721421..d3873da04b4 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2020-03-31 Tom Tromey <tromey@adacore.com> + + * dwarf2/abbrev.c (abbrev_table::read): Conditionally call + memcpy. + 2020-03-30 Nelson Chu <nelson.chu@sifive.com> * features/riscv/32bit-csr.xml: Regenerated. diff --git a/gdb/dwarf2/abbrev.c b/gdb/dwarf2/abbrev.c index 59ff138b33d..b85018060fa 100644 --- a/gdb/dwarf2/abbrev.c +++ b/gdb/dwarf2/abbrev.c @@ -168,8 +168,9 @@ abbrev_table::read (struct objfile *objfile, cur_abbrev->attrs = XOBNEWVEC (&abbrev_table->m_abbrev_obstack, struct attr_abbrev, cur_abbrev->num_attrs); - memcpy (cur_abbrev->attrs, cur_attrs.data (), - cur_abbrev->num_attrs * sizeof (struct attr_abbrev)); + if (!cur_attrs.empty ()) + memcpy (cur_abbrev->attrs, cur_attrs.data (), + cur_abbrev->num_attrs * sizeof (struct attr_abbrev)); abbrev_table->add_abbrev (abbrev_number, cur_abbrev); diff --git a/gdbsupport/ChangeLog b/gdbsupport/ChangeLog index 1d27971f5cc..86233e8d0ef 100644 --- a/gdbsupport/ChangeLog +++ b/gdbsupport/ChangeLog @@ -1,3 +1,8 @@ +2020-03-31 Tom Tromey <tromey@adacore.com> + + * btrace-common.cc (btrace_data_append): Conditionally call + memcpy. + 2020-03-27 Andrew Burgess <andrew.burgess@embecosm.com> * create-version.sh: Resolve issues highlighted by shellcheck. diff --git a/gdbsupport/btrace-common.cc b/gdbsupport/btrace-common.cc index 7d4f6424c82..e8b24db7d53 100644 --- a/gdbsupport/btrace-common.cc +++ b/gdbsupport/btrace-common.cc @@ -173,7 +173,8 @@ btrace_data_append (struct btrace_data *dst, size = src->variant.pt.size + dst->variant.pt.size; data = (gdb_byte *) xmalloc (size); - memcpy (data, dst->variant.pt.data, dst->variant.pt.size); + if (dst->variant.pt.size > 0) + memcpy (data, dst->variant.pt.data, dst->variant.pt.size); memcpy (data + dst->variant.pt.size, src->variant.pt.data, src->variant.pt.size); |