From bbb0eef6998678547990f792068fc5a8d3286fa9 Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Tue, 16 Mar 2010 20:51:23 +0000 Subject: [PATCH] gdb/ * dwarf2read.c (read_subrange_type): Set TYPE_HIGH_BOUND_UNDEFINED. * valarith.c (value_subscripted_rvalue): Suppress error if TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED. --- gdb/ChangeLog | 7 +++++++ gdb/dwarf2read.c | 6 ++++++ gdb/valarith.c | 3 ++- 3 files changed, 15 insertions(+), 1 deletion(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f44b0218ded..ed029296ab8 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2010-03-16 Jan Kratochvil + Chandru + + * dwarf2read.c (read_subrange_type): Set TYPE_HIGH_BOUND_UNDEFINED. + * valarith.c (value_subscripted_rvalue): Suppress error if + TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED. + 2010-03-16 Holger Hans Peter Freyther * linux-record.c (record_linux_msghdr): Remove unintended semicolons. diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 563cb185de6..cbb742490f3 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -6074,6 +6074,12 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu) range_type = create_range_type (NULL, base_type, low, high); + /* Mark arrays with dynamic length at least as an array of unspecified + length. GDB could check the boundary but before it gets implemented at + least allow accessing the array elements. */ + if (attr && attr->form == DW_FORM_block1) + TYPE_HIGH_BOUND_UNDEFINED (range_type) = 1; + name = dwarf2_name (die, cu); if (name) TYPE_NAME (range_type) = name; diff --git a/gdb/valarith.c b/gdb/valarith.c index 9f91f4e0f0e..60f09a610e5 100644 --- a/gdb/valarith.c +++ b/gdb/valarith.c @@ -198,7 +198,8 @@ value_subscripted_rvalue (struct value *array, LONGEST index, int lowerbound) unsigned int elt_offs = elt_size * longest_to_int (index - lowerbound); struct value *v; - if (index < lowerbound || elt_offs >= TYPE_LENGTH (array_type)) + if (index < lowerbound || (!TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (array_type) + && elt_offs >= TYPE_LENGTH (array_type))) error (_("no such vector element")); v = allocate_value (elt_type); -- 2.30.2