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- Archer update to the snapshot: 30c13da4efe18f43ee34aa4b29bc86e1a53de548

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- Archer backport: 30c13da4efe18f43ee34aa4b29bc86e1a53de548
- Fix dereferencing unbound C arrays (BZ 505163).
This commit is contained in:
Jan Kratochvil 2009-06-11 21:52:56 +00:00
parent 6fcb74ef6e
commit 859e1355cf
2 changed files with 71 additions and 40 deletions
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104
gdb-archer.patch
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@ -2,7 +2,7 @@ http://sourceware.org/gdb/wiki/ProjectArcher
http://sourceware.org/gdb/wiki/ArcherBranchManagement
GIT snapshot:
commit 000db8b7bfef8581ef099ccca8689cfddfea1be8
commit 30c13da4efe18f43ee34aa4b29bc86e1a53de548
branch `archer' - the merge of branches:
archer-jankratochvil-merge-expr
@ -20139,7 +20139,7 @@ index 3a405a8..a2e2636 100644
once for each known thread. */
typedef int (*thread_callback_func) (struct thread_info *, void *);
diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index 8102321..012485c 100644
index 8102321..9899727 100644
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -38,6 +38,8 @@
@ -20345,17 +20345,7 @@ index 8102321..012485c 100644
if (low_bound >= 0)
TYPE_UNSIGNED (result_type) = 1;
@@ -727,6 +769,9 @@ get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp)
switch (TYPE_CODE (type))
{
case TYPE_CODE_RANGE:
+ if (TYPE_RANGE_UPPER_BOUND_IS_UNDEFINED (type)
+ || TYPE_RANGE_LOWER_BOUND_IS_UNDEFINED (type))
+ return -1;
*lowp = TYPE_LOW_BOUND (type);
*highp = TYPE_HIGH_BOUND (type);
return 1;
@@ -805,30 +850,56 @@ create_array_type (struct type *result_type,
@@ -805,30 +847,56 @@ create_array_type (struct type *result_type,
if (result_type == NULL)
{
@ -20426,7 +20416,7 @@ index 8102321..012485c 100644
return (result_type);
}
@@ -865,7 +936,12 @@ create_set_type (struct type *result_type, struct type *domain_type)
@@ -865,7 +933,12 @@ create_set_type (struct type *result_type, struct type *domain_type)
{
if (result_type == NULL)
{
@ -20440,7 +20430,7 @@ index 8102321..012485c 100644
}
TYPE_CODE (result_type) = TYPE_CODE_SET;
TYPE_NFIELDS (result_type) = 1;
@@ -1368,6 +1444,84 @@ stub_noname_complaint (void)
@@ -1368,6 +1441,84 @@ stub_noname_complaint (void)
complaint (&symfile_complaints, _("stub type has NULL name"));
}
@ -20525,7 +20515,7 @@ index 8102321..012485c 100644
/* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989.
If this is a stubbed struct (i.e. declared as struct foo *), see if
@@ -1384,7 +1538,8 @@ stub_noname_complaint (void)
@@ -1384,7 +1535,8 @@ stub_noname_complaint (void)
/* Find the real type of TYPE. This function returns the real type,
after removing all layers of typedefs and completing opaque or stub
types. Completion changes the TYPE argument, but stripping of
@ -20535,7 +20525,7 @@ index 8102321..012485c 100644
struct type *
check_typedef (struct type *type)
@@ -1420,7 +1575,7 @@ check_typedef (struct type *type)
@@ -1420,7 +1572,7 @@ check_typedef (struct type *type)
if (sym)
TYPE_TARGET_TYPE (type) = SYMBOL_TYPE (sym);
else /* TYPE_CODE_UNDEF */
@ -20544,7 +20534,7 @@ index 8102321..012485c 100644
}
type = TYPE_TARGET_TYPE (type);
}
@@ -1494,34 +1649,37 @@ check_typedef (struct type *type)
@@ -1494,34 +1646,37 @@ check_typedef (struct type *type)
}
}
@ -20600,7 +20590,7 @@ index 8102321..012485c 100644
TYPE_TARGET_STUB (type) = 0;
}
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
@@ -1529,9 +1687,12 @@ check_typedef (struct type *type)
@@ -1529,9 +1684,12 @@ check_typedef (struct type *type)
TYPE_LENGTH (type) = TYPE_LENGTH (target_type);
TYPE_TARGET_STUB (type) = 0;
}
@ -20613,7 +20603,7 @@ index 8102321..012485c 100644
return type;
}
@@ -1753,7 +1914,7 @@ init_type (enum type_code code, int length, int flags,
@@ -1753,7 +1911,7 @@ init_type (enum type_code code, int length, int flags,
{
struct type *type;
@ -20622,7 +20612,7 @@ index 8102321..012485c 100644
TYPE_CODE (type) = code;
TYPE_LENGTH (type) = length;
@@ -1783,15 +1944,24 @@ init_type (enum type_code code, int length, int flags,
@@ -1783,15 +1941,24 @@ init_type (enum type_code code, int length, int flags,
if (flags & TYPE_FLAG_FIXED_INSTANCE)
TYPE_FIXED_INSTANCE (type) = 1;
@ -20656,7 +20646,7 @@ index 8102321..012485c 100644
/* C++ fancies. */
@@ -1803,6 +1973,10 @@ init_type (enum type_code code, int length, int flags,
@@ -1803,6 +1970,10 @@ init_type (enum type_code code, int length, int flags,
{
INIT_CPLUS_SPECIFIC (type);
}
@ -20667,7 +20657,7 @@ index 8102321..012485c 100644
return (type);
}
@@ -2916,33 +3090,47 @@ type_pair_eq (const void *item_lhs, const void *item_rhs)
@@ -2916,33 +3087,47 @@ type_pair_eq (const void *item_lhs, const void *item_rhs)
}
/* Allocate the hash table used by copy_type_recursive to walk
@ -20730,7 +20720,7 @@ index 8102321..012485c 100644
return type;
/* This type shouldn't be pointing to any types in other objfiles;
@@ -2954,11 +3142,15 @@ copy_type_recursive (struct objfile *objfile,
@@ -2954,11 +3139,15 @@ copy_type_recursive (struct objfile *objfile,
if (*slot != NULL)
return ((struct type_pair *) *slot)->new;
@ -20749,7 +20739,7 @@ index 8102321..012485c 100644
stored->old = type;
stored->new = new_type;
*slot = stored;
@@ -2968,6 +3160,13 @@ copy_type_recursive (struct objfile *objfile,
@@ -2968,6 +3157,13 @@ copy_type_recursive (struct objfile *objfile,
*TYPE_MAIN_TYPE (new_type) = *TYPE_MAIN_TYPE (type);
TYPE_OBJFILE (new_type) = NULL;
@ -20763,7 +20753,7 @@ index 8102321..012485c 100644
if (TYPE_NAME (type))
TYPE_NAME (new_type) = xstrdup (TYPE_NAME (type));
if (TYPE_TAG_NAME (type))
@@ -2976,12 +3175,45 @@ copy_type_recursive (struct objfile *objfile,
@@ -2976,12 +3172,45 @@ copy_type_recursive (struct objfile *objfile,
TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type);
TYPE_LENGTH (new_type) = TYPE_LENGTH (type);
@ -20809,7 +20799,7 @@ index 8102321..012485c 100644
TYPE_FIELDS (new_type) = XCALLOC (nfields, struct field);
for (i = 0; i < nfields; i++)
{
@@ -2990,8 +3222,8 @@ copy_type_recursive (struct objfile *objfile,
@@ -2990,8 +3219,8 @@ copy_type_recursive (struct objfile *objfile,
TYPE_FIELD_BITSIZE (new_type, i) = TYPE_FIELD_BITSIZE (type, i);
if (TYPE_FIELD_TYPE (type, i))
TYPE_FIELD_TYPE (new_type, i)
@ -20820,7 +20810,7 @@ index 8102321..012485c 100644
if (TYPE_FIELD_NAME (type, i))
TYPE_FIELD_NAME (new_type, i) =
xstrdup (TYPE_FIELD_NAME (type, i));
@@ -3010,6 +3242,16 @@ copy_type_recursive (struct objfile *objfile,
@@ -3010,6 +3239,16 @@ copy_type_recursive (struct objfile *objfile,
xstrdup (TYPE_FIELD_STATIC_PHYSNAME (type,
i)));
break;
@ -20837,7 +20827,7 @@ index 8102321..012485c 100644
default:
internal_error (__FILE__, __LINE__,
_("Unexpected type field location kind: %d"),
@@ -3018,17 +3260,32 @@ copy_type_recursive (struct objfile *objfile,
@@ -3018,17 +3257,32 @@ copy_type_recursive (struct objfile *objfile,
}
}
@ -20876,7 +20866,7 @@ index 8102321..012485c 100644
/* Maybe copy the type_specific bits.
NOTE drow/2005-12-09: We do not copy the C++-specific bits like
@@ -3046,6 +3303,20 @@ copy_type_recursive (struct objfile *objfile,
@@ -3046,6 +3300,20 @@ copy_type_recursive (struct objfile *objfile,
return new_type;
}
@ -20897,7 +20887,7 @@ index 8102321..012485c 100644
/* Make a copy of the given TYPE, except that the pointer & reference
types are not preserved.
@@ -3059,7 +3330,7 @@ copy_type (const struct type *type)
@@ -3059,7 +3327,7 @@ copy_type (const struct type *type)
gdb_assert (TYPE_OBJFILE (type) != NULL);
@ -20906,7 +20896,7 @@ index 8102321..012485c 100644
TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type);
TYPE_LENGTH (new_type) = TYPE_LENGTH (type);
memcpy (TYPE_MAIN_TYPE (new_type), TYPE_MAIN_TYPE (type),
@@ -3068,6 +3339,232 @@ copy_type (const struct type *type)
@@ -3068,6 +3336,232 @@ copy_type (const struct type *type)
return new_type;
}
@ -21139,7 +21129,7 @@ index 8102321..012485c 100644
static struct type *
build_flt (int bit, char *name, const struct floatformat **floatformats)
{
@@ -3105,7 +3602,7 @@ build_complex (int bit, char *name, struct type *target_type)
@@ -3105,7 +3599,7 @@ build_complex (int bit, char *name, struct type *target_type)
return builtin_type_error;
}
t = init_type (TYPE_CODE_COMPLEX, 2 * bit / TARGET_CHAR_BIT,
@ -21148,7 +21138,7 @@ index 8102321..012485c 100644
TYPE_TARGET_TYPE (t) = target_type;
return t;
}
@@ -3119,56 +3616,56 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
@@ -3119,56 +3613,56 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
builtin_type->builtin_void =
init_type (TYPE_CODE_VOID, 1,
0,
@ -21217,7 +21207,7 @@ index 8102321..012485c 100644
builtin_type->builtin_float
= build_flt (gdbarch_float_bit (gdbarch), "float",
gdbarch_float_format (gdbarch));
@@ -3187,26 +3684,26 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
@@ -3187,26 +3681,26 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
builtin_type->builtin_string =
init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0,
@ -21249,7 +21239,7 @@ index 8102321..012485c 100644
/* Pointer/Address types. */
@@ -3245,27 +3742,28 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
@@ -3245,27 +3739,28 @@ gdbtypes_post_init (struct gdbarch *gdbarch)
init_type (TYPE_CODE_INT,
gdbarch_addr_bit (gdbarch) / 8,
TYPE_FLAG_UNSIGNED,
@ -21283,7 +21273,7 @@ index 8102321..012485c 100644
return builtin_type;
}
@@ -3276,6 +3774,9 @@ _initialize_gdbtypes (void)
@@ -3276,6 +3771,9 @@ _initialize_gdbtypes (void)
{
gdbtypes_data = gdbarch_data_register_post_init (gdbtypes_post_init);
@ -21293,7 +21283,7 @@ index 8102321..012485c 100644
/* FIXME: The following types are architecture-neutral. However,
they contain pointer_type and reference_type fields potentially
caching pointer or reference types that *are* architecture
@@ -3284,47 +3785,47 @@ _initialize_gdbtypes (void)
@@ -3284,47 +3782,47 @@ _initialize_gdbtypes (void)
builtin_type_int0 =
init_type (TYPE_CODE_INT, 0 / 8,
0,
@ -21352,7 +21342,7 @@ index 8102321..012485c 100644
builtin_type_ieee_single =
build_flt (-1, "builtin_type_ieee_single", floatformats_ieee_single);
@@ -3344,15 +3845,15 @@ _initialize_gdbtypes (void)
@@ -3344,15 +3842,15 @@ _initialize_gdbtypes (void)
builtin_type_void =
init_type (TYPE_CODE_VOID, 1,
0,
@ -35665,6 +35655,42 @@ index 9f382db..12db521 100644
MISCELLANEOUS = coremmap.data ../foobar.baz \
shr1.sl shr2.sl solib_sl.sl solib1.sl solib2.sl
diff --git a/gdb/testsuite/gdb.base/arrayidx.c b/gdb/testsuite/gdb.base/arrayidx.c
index 98d4d35..f98a656 100644
--- a/gdb/testsuite/gdb.base/arrayidx.c
+++ b/gdb/testsuite/gdb.base/arrayidx.c
@@ -17,6 +17,13 @@
int array[] = {1, 2, 3, 4};
+#ifdef __GNUC__
+struct
+ {
+ int a[0];
+ } unbound;
+#endif
+
int
main (void)
{
diff --git a/gdb/testsuite/gdb.base/arrayidx.exp b/gdb/testsuite/gdb.base/arrayidx.exp
index 71ce4aa..af0e5f8 100644
--- a/gdb/testsuite/gdb.base/arrayidx.exp
+++ b/gdb/testsuite/gdb.base/arrayidx.exp
@@ -59,4 +59,12 @@ gdb_test "print array" \
"\\{\\\[0\\\] = 1, \\\[1\\\] = 2, \\\[2\\\] = 3, \\\[3\\\] = 4\\}" \
"Print array with array-indexes on"
-
+set test "p unbound.a == &unbound.a\[0\]"
+gdb_test_multiple $test $test {
+ -re " = 1\r\n$gdb_prompt $" {
+ pass $test
+ }
+ -re "No symbol \"unbound\" in current context.\r\n$gdb_prompt $" {
+ unsupported "$test (no GCC)"
+ }
+}
diff --git a/gdb/testsuite/gdb.base/call-rt-st.exp b/gdb/testsuite/gdb.base/call-rt-st.exp
index 3359c70..f73dd7f 100644
--- a/gdb/testsuite/gdb.base/call-rt-st.exp

7
gdb.spec
View File

@ -15,7 +15,7 @@ Version: 6.8.50.20090302
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 28%{?_with_upstream:.upstream}%{?dist}
Release: 29%{?_with_upstream:.upstream}%{?dist}
License: GPLv3+
Group: Development/Debuggers
@ -887,6 +887,11 @@ fi
%endif
%changelog
* Thu Jun 11 2009 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8.50.20090302-29
- Archer update to the snapshot: 30c13da4efe18f43ee34aa4b29bc86e1a53de548
- Archer backport: 30c13da4efe18f43ee34aa4b29bc86e1a53de548
- Fix dereferencing unbound C arrays (BZ 505163).
* Wed Jun 10 2009 Jan Kratochvil <jan.kratochvil@redhat.com> - 6.8.50.20090302-28
- Archer update to the snapshot: 000db8b7bfef8581ef099ccca8689cfddfea1be8
- Archer backport: b8d3bea36b137effc929e02c4dadf73716cb330b