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gdb-vla-intel-fortran-strides.patch
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File gdb-vla-intel-fortran-strides.patch of Package gdb.8923
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Fedora GDB patches <invalid@email.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-vla-intel-fortran-strides.patch ;; VLA (Fortran dynamic arrays) from Intel + archer-jankratochvil-vla tests. ;;=push git diff --stat -p gdb/master...gdb/users/bheckel/fortran-strides dbfd7140bf4c0500d1f5d192be781f83f78f7922 gdb/dwarf2loc.c | 46 ++- gdb/dwarf2loc.h | 6 + gdb/dwarf2read.c | 13 +- gdb/eval.c | 391 +++++++++++++++++++++----- gdb/expprint.c | 20 +- gdb/expression.h | 18 +- gdb/f-exp.y | 42 ++- gdb/f-valprint.c | 8 +- gdb/gdbtypes.c | 34 ++- gdb/gdbtypes.h | 18 +- gdb/parse.c | 24 +- gdb/rust-exp.y | 12 +- gdb/rust-lang.c | 17 +- gdb/testsuite/gdb.fortran/static-arrays.exp | 421 ++++++++++++++++++++++++++++ gdb/testsuite/gdb.fortran/static-arrays.f90 | 55 ++++ gdb/testsuite/gdb.fortran/vla-ptype.exp | 4 + gdb/testsuite/gdb.fortran/vla-sizeof.exp | 4 + gdb/testsuite/gdb.fortran/vla-stride.exp | 44 +++ gdb/testsuite/gdb.fortran/vla-stride.f90 | 29 ++ gdb/testsuite/gdb.fortran/vla.f90 | 10 + gdb/valarith.c | 10 +- gdb/valops.c | 197 +++++++++++-- gdb/value.h | 2 + 23 files changed, 1242 insertions(+), 183 deletions(-) diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -2600,11 +2600,14 @@ dwarf2_locexpr_baton_eval (const struct dwarf2_locexpr_baton *dlbaton, /* See dwarf2loc.h. */ int -dwarf2_evaluate_property (const struct dynamic_prop *prop, +dwarf2_evaluate_property_signed (const struct dynamic_prop *prop, struct frame_info *frame, struct property_addr_info *addr_stack, - CORE_ADDR *value) + CORE_ADDR *value, + int is_signed) { + int rc = 0; + if (prop == NULL) return 0; @@ -2628,7 +2631,7 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop, *value = value_as_address (val); } - return 1; + rc = 1; } } break; @@ -2650,7 +2653,7 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop, if (!value_optimized_out (val)) { *value = value_as_address (val); - return 1; + rc = 1; } } } @@ -2658,8 +2661,8 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop, case PROP_CONST: *value = prop->data.const_val; - return 1; - + rc = 1; + break; case PROP_ADDR_OFFSET: { struct dwarf2_property_baton *baton @@ -2680,11 +2683,38 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop, val = value_at (baton->offset_info.type, pinfo->addr + baton->offset_info.offset); *value = value_as_address (val); - return 1; + rc = 1; } + break; } - return 0; + if (rc == 1 && is_signed == 1) + { + /* If we have a valid return candidate and it's value is signed, + we have to sign-extend the value because CORE_ADDR on 64bit machine has + 8 bytes but address size of an 32bit application is 4 bytes. */ + struct gdbarch * gdbarch = target_gdbarch (); + const int addr_bit = gdbarch_addr_bit (gdbarch); + const CORE_ADDR neg_mask = ((~0) << (addr_bit - 1)); + + /* Check if signed bit is set and sign-extend values. */ + if (*value & (neg_mask)) + *value |= (neg_mask ); + } + return rc; +} + +int +dwarf2_evaluate_property (const struct dynamic_prop *prop, + struct frame_info *frame, + struct property_addr_info *addr_stack, + CORE_ADDR *value) +{ + return dwarf2_evaluate_property_signed (prop, + frame, + addr_stack, + value, + 0); } /* See dwarf2loc.h. */ diff --git a/gdb/dwarf2loc.h b/gdb/dwarf2loc.h --- a/gdb/dwarf2loc.h +++ b/gdb/dwarf2loc.h @@ -143,6 +143,12 @@ int dwarf2_evaluate_property (const struct dynamic_prop *prop, struct property_addr_info *addr_stack, CORE_ADDR *value); +int dwarf2_evaluate_property_signed (const struct dynamic_prop *prop, + struct frame_info *frame, + struct property_addr_info *addr_stack, + CORE_ADDR *value, + int is_signed); + /* A helper for the compiler interface that compiles a single dynamic property to C code. diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -17566,7 +17566,7 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu) struct type *base_type, *orig_base_type; struct type *range_type; struct attribute *attr; - struct dynamic_prop low, high; + struct dynamic_prop low, high, stride; int low_default_is_valid; int high_bound_is_count = 0; const char *name; @@ -17586,7 +17586,9 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu) low.kind = PROP_CONST; high.kind = PROP_CONST; + stride.kind = PROP_CONST; high.data.const_val = 0; + stride.data.const_val = 0; /* Set LOW_DEFAULT_IS_VALID if current language and DWARF version allow omitting DW_AT_lower_bound. */ @@ -17619,6 +17621,14 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu) break; } + attr = dwarf2_attr (die, DW_AT_byte_stride, cu); + if (attr) + if (!attr_to_dynamic_prop (attr, die, cu, &stride)) + complaint (_("Missing DW_AT_byte_stride " + "- DIE at 0x%s [in module %s]"), + sect_offset_str (die->sect_off), + objfile_name (cu->per_cu->dwarf2_per_objfile->objfile)); + attr = dwarf2_attr (die, DW_AT_lower_bound, cu); if (attr) attr_to_dynamic_prop (attr, die, cu, &low); @@ -17696,7 +17706,7 @@ read_subrange_type (struct die_info *die, struct dwarf2_cu *cu) && !TYPE_UNSIGNED (base_type) && (high.data.const_val & negative_mask)) high.data.const_val |= negative_mask; - range_type = create_range_type (NULL, orig_base_type, &low, &high); + range_type = create_range_type (NULL, orig_base_type, &low, &high, &stride); if (high_bound_is_count) TYPE_RANGE_DATA (range_type)->flag_upper_bound_is_count = 1; diff --git a/gdb/eval.c b/gdb/eval.c --- a/gdb/eval.c +++ b/gdb/eval.c @@ -377,29 +377,325 @@ init_array_element (struct value *array, struct value *element, return index; } +/* Evaluates any operation on Fortran arrays or strings with at least + one user provided parameter. Expects the input ARRAY to be either + an array, or a string. Evaluates EXP by incrementing POS, and + writes the content from the elt stack into a local struct. NARGS + specifies number of literal or range arguments the user provided. + NARGS must be the same number as ARRAY has dimensions. */ + static struct value * -value_f90_subarray (struct value *array, - struct expression *exp, int *pos, enum noside noside) +value_f90_subarray (struct value *array, struct expression *exp, + int *pos, int nargs, enum noside noside) { - int pc = (*pos) + 1; + int i, dim_count = 0; LONGEST low_bound, high_bound; - struct type *range = check_typedef (TYPE_INDEX_TYPE (value_type (array))); - enum range_type range_type - = (enum range_type) longest_to_int (exp->elts[pc].longconst); - - *pos += 3; - - if (range_type == LOW_BOUND_DEFAULT || range_type == BOTH_BOUND_DEFAULT) - low_bound = TYPE_LOW_BOUND (range); - else - low_bound = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + struct value *new_array = array; + struct type *array_type = check_typedef (value_type (new_array)); + struct type *elt_type; + + typedef struct subscript_range + { + enum range_type f90_range_type; + LONGEST low, high, stride; + } subscript_range; + + typedef enum subscript_kind + { + SUBSCRIPT_RANGE, /* e.g. "(lowbound:highbound)" */ + SUBSCRIPT_INDEX /* e.g. "(literal)" */ + } kind; + + /* Local struct to hold user data for Fortran subarray dimensions. */ + struct subscript_store + { + /* For every dimension, we are either working on a range or an index + expression, so we store this info separately for later. */ + enum subscript_kind kind; + + /* We also store either the lower and upper bound info, or the index + number. Before evaluation of the input values, we do not know if we are + actually working on a range of ranges, or an index in a range. So as a + first step we store all input in a union. The array calculation itself + deals with this later on. */ + union element_range + { + subscript_range range; + LONGEST number; + } U; + } *subscript_array; + + /* Check if the number of arguments provided by the user matches + the number of dimension of the array. A string has only one + dimension. */ + if (nargs != calc_f77_array_dims (value_type (new_array))) + error (_("Wrong number of subscripts")); + + subscript_array = (struct subscript_store*) alloca (sizeof (*subscript_array) * nargs); + + /* Parse the user input into the SUBSCRIPT_ARRAY to store it. We need + to evaluate it first, as the input is from left-to-right. The + array is stored from right-to-left. So we have to use the user + input in reverse order. Later on, we need the input information to + re-calculate the output array. For multi-dimensional arrays, we + can be dealing with any possible combination of ranges and indices + for every dimension. */ + for (i = 0; i < nargs; i++) + { + struct subscript_store *index = &subscript_array[i]; - if (range_type == HIGH_BOUND_DEFAULT || range_type == BOTH_BOUND_DEFAULT) - high_bound = TYPE_HIGH_BOUND (range); - else - high_bound = value_as_long (evaluate_subexp (NULL_TYPE, exp, pos, noside)); + /* The user input is a range, with or without lower and upper bound. + E.g.: "p arry(2:5)", "p arry( :5)", "p arry( : )", etc. */ + if (exp->elts[*pos].opcode == OP_RANGE) + { + int pc = (*pos) + 1; + subscript_range *range; + + index->kind = SUBSCRIPT_RANGE; + range = &index->U.range; + + *pos += 3; + range->f90_range_type = (enum range_type) exp->elts[pc].longconst; + + /* If a lower bound was provided by the user, the bit has been + set and we can assign the value from the elt stack. Same for + upper bound. */ + if ((range->f90_range_type & SUBARRAY_LOW_BOUND) + == SUBARRAY_LOW_BOUND) + range->low = value_as_long (evaluate_subexp (NULL_TYPE, exp, + pos, noside)); + if ((range->f90_range_type & SUBARRAY_HIGH_BOUND) + == SUBARRAY_HIGH_BOUND) + range->high = value_as_long (evaluate_subexp (NULL_TYPE, exp, + pos, noside)); + + /* Assign the user's stride value if provided. */ + if ((range->f90_range_type & SUBARRAY_STRIDE) == SUBARRAY_STRIDE) + range->stride = value_as_long (evaluate_subexp (NULL_TYPE, exp, + pos, noside)); + + /* Assign the default stride value '1'. */ + else + range->stride = 1; + + /* Check the provided stride value is illegal, aka '0'. */ + if (range->stride == 0) + error (_("Stride must not be 0")); + } + /* User input is an index. E.g.: "p arry(5)". */ + else + { + struct value *val; + + index->kind = SUBSCRIPT_INDEX; + + /* Evaluate each subscript; it must be a legal integer in F77. This + ensures the validity of the provided index. */ + val = evaluate_subexp_with_coercion (exp, pos, noside); + index->U.number = value_as_long (val); + } + + } + + /* Traverse the array from right to left and set the high and low bounds + for later use. */ + for (i = nargs - 1; i >= 0; i--) + { + struct subscript_store *index = &subscript_array[i]; + struct type *index_type = TYPE_INDEX_TYPE (array_type); + + switch (index->kind) + { + case SUBSCRIPT_RANGE: + { + + /* When we hit the first range specified by the user, we must + treat any subsequent user entry as a range. We simply + increment DIM_COUNT which tells us how many times we are + calling VALUE_SLICE_1. */ + subscript_range *range = &index->U.range; + + /* If no lower bound was provided by the user, we take the + default boundary. Same for the high bound. */ + if ((range->f90_range_type & SUBARRAY_LOW_BOUND) == 0) + range->low = TYPE_LOW_BOUND (index_type); + + if ((range->f90_range_type & SUBARRAY_HIGH_BOUND) == 0) + range->high = TYPE_HIGH_BOUND (index_type); + + /* Both user provided low and high bound have to be inside the + array bounds. Throw an error if not. */ + if (range->low < TYPE_LOW_BOUND (index_type) + || range->low > TYPE_HIGH_BOUND (index_type) + || range->high < TYPE_LOW_BOUND (index_type) + || range->high > TYPE_HIGH_BOUND (index_type)) + error (_("provided bound(s) outside array bound(s)")); + + /* For a negative stride the lower boundary must be larger than the + upper boundary. + For a positive stride the lower boundary must be smaller than the + upper boundary. */ + if ((range->stride < 0 && range->low < range->high) + || (range->stride > 0 && range->low > range->high)) + error (_("Wrong value provided for stride and boundaries")); + + } + break; + + case SUBSCRIPT_INDEX: + break; + + } + + array_type = TYPE_TARGET_TYPE (array_type); + } + + /* Reset ARRAY_TYPE before slicing.*/ + array_type = check_typedef (value_type (new_array)); + + /* Traverse the array from right to left and evaluate each corresponding + user input. VALUE_SUBSCRIPT is called for every index, until a range + expression is evaluated. After a range expression has been evaluated, + every subsequent expression is also treated as a range. */ + for (i = nargs - 1; i >= 0; i--) + { + struct subscript_store *index = &subscript_array[i]; + struct type *index_type = TYPE_INDEX_TYPE (array_type); + + switch (index->kind) + { + case SUBSCRIPT_RANGE: + { + + /* When we hit the first range specified by the user, we must + treat any subsequent user entry as a range. We simply + increment DIM_COUNT which tells us how many times we are + calling VALUE_SLICE_1. */ + subscript_range *range = &index->U.range; + + /* DIM_COUNT counts every user argument that is treated as a range. + This is necessary for expressions like 'print array(7, 8:9). + Here the first argument is a literal, but must be treated as a + range argument to allow the correct output representation. */ + dim_count++; + + new_array + = value_slice_1 (new_array, range->low, + range->high - range->low + 1, + range->stride, dim_count); + } + break; + + case SUBSCRIPT_INDEX: + { + /* DIM_COUNT only stays '0' when no range argument was processed + before, starting from the last dimension. This way we can + reduce the number of dimensions from the result array. + However, if a range has been processed before an index, we + treat the index like a range with equal low- and high bounds + to get the value offset right. */ + if (dim_count == 0) + new_array + = value_subscripted_rvalue (new_array, index->U.number, + f77_get_lowerbound (value_type + (new_array))); + else + { + dim_count++; + + /* We might end up here, because we have to treat the provided + index like a range. But now VALUE_SUBSCRIPTED_RVALUE + cannot do the range checks for us. So we have to make sure + ourselves that the user provided index is inside the + array bounds. Throw an error if not. */ + if (index->U.number < TYPE_LOW_BOUND (index_type) + && index->U.number > TYPE_HIGH_BOUND (index_type)) + error (_("provided bound(s) outside array bound(s)")); + + if (index->U.number > TYPE_LOW_BOUND (index_type) + && index->U.number > TYPE_HIGH_BOUND (index_type)) + error (_("provided bound(s) outside array bound(s)")); + + new_array = value_slice_1 (new_array, + index->U.number, + 1, /* COUNT is '1' element */ + 1, /* STRIDE set to '1' */ + dim_count); + } + + } + break; + } + array_type = TYPE_TARGET_TYPE (array_type); + } + + /* With DIM_COUNT > 1 we currently have a one dimensional array, but expect + an array of arrays, depending on how many ranges have been provided by + the user. So we need to rebuild the array dimensions for printing it + correctly. + Starting from right to left in the user input, after we hit the first + range argument every subsequent argument is also treated as a range. + E.g.: + "p ary(3, 7, 2:15)" in Fortran has only 1 dimension, but we calculated 3 + ranges. + "p ary(3, 7:12, 4)" in Fortran has only 1 dimension, but we calculated 2 + ranges. + "p ary(2:4, 5, 7)" in Fortran has only 1 dimension, and we calculated 1 + range. */ + if (dim_count > 1) + { + struct value *v = NULL; + + elt_type = TYPE_TARGET_TYPE (value_type (new_array)); + + /* Every SUBSCRIPT_RANGE in the user input signifies an actual range in + the output array. So we traverse the SUBSCRIPT_ARRAY again, looking + for a range entry. When we find one, we use the range info to create + an additional range_type to set the correct bounds and dimensions for + the output array. In addition, we may have a stride value that is not + '1', forcing us to adjust the number of elements in a range, according + to the stride value. */ + for (i = 0; i < nargs; i++) + { + struct subscript_store *index = &subscript_array[i]; + + if (index->kind == SUBSCRIPT_RANGE) + { + struct type *range_type, *interim_array_type; + + int new_length; - return value_slice (array, low_bound, high_bound - low_bound + 1); + /* The length of a sub-dimension with all elements between the + bounds plus the start element itself. It may be modified by + a user provided stride value. */ + new_length = index->U.range.high - index->U.range.low; + + new_length /= index->U.range.stride; + + range_type + = create_static_range_type (NULL, + elt_type, + index->U.range.low, + index->U.range.low + new_length); + + interim_array_type = create_array_type (NULL, + elt_type, + range_type); + + TYPE_CODE (interim_array_type) + = TYPE_CODE (value_type (new_array)); + + v = allocate_value (interim_array_type); + + elt_type = value_type (v); + } + + } + value_contents_copy (v, 0, new_array, 0, TYPE_LENGTH (elt_type)); + return v; + } + + return new_array; } @@ -1926,19 +2222,8 @@ evaluate_subexp_standard (struct type *expect_type, switch (code) { case TYPE_CODE_ARRAY: - if (exp->elts[*pos].opcode == OP_RANGE) - return value_f90_subarray (arg1, exp, pos, noside); - else - goto multi_f77_subscript; - case TYPE_CODE_STRING: - if (exp->elts[*pos].opcode == OP_RANGE) - return value_f90_subarray (arg1, exp, pos, noside); - else - { - arg2 = evaluate_subexp_with_coercion (exp, pos, noside); - return value_subscript (arg1, value_as_long (arg2)); - } + return value_f90_subarray (arg1, exp, pos, nargs, noside); case TYPE_CODE_PTR: case TYPE_CODE_FUNC: @@ -2334,49 +2619,6 @@ evaluate_subexp_standard (struct type *expect_type, } return (arg1); - multi_f77_subscript: - { - LONGEST subscript_array[MAX_FORTRAN_DIMS]; - int ndimensions = 1, i; - struct value *array = arg1; - - if (nargs > MAX_FORTRAN_DIMS) - error (_("Too many subscripts for F77 (%d Max)"), MAX_FORTRAN_DIMS); - - ndimensions = calc_f77_array_dims (type); - - if (nargs != ndimensions) - error (_("Wrong number of subscripts")); - - gdb_assert (nargs > 0); - - /* Now that we know we have a legal array subscript expression - let us actually find out where this element exists in the array. */ - - /* Take array indices left to right. */ - for (i = 0; i < nargs; i++) - { - /* Evaluate each subscript; it must be a legal integer in F77. */ - arg2 = evaluate_subexp_with_coercion (exp, pos, noside); - - /* Fill in the subscript array. */ - - subscript_array[i] = value_as_long (arg2); - } - - /* Internal type of array is arranged right to left. */ - for (i = nargs; i > 0; i--) - { - struct type *array_type = check_typedef (value_type (array)); - LONGEST index = subscript_array[i - 1]; - - array = value_subscripted_rvalue (array, index, - f77_get_lowerbound (array_type)); - } - - return array; - } - case BINOP_LOGICAL_AND: arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); if (noside == EVAL_SKIP) @@ -3293,6 +3535,9 @@ calc_f77_array_dims (struct type *array_type) int ndimen = 1; struct type *tmp_type; + if (TYPE_CODE (array_type) == TYPE_CODE_STRING) + return 1; + if ((TYPE_CODE (array_type) != TYPE_CODE_ARRAY)) error (_("Can't get dimensions for a non-array type")); diff --git a/gdb/expprint.c b/gdb/expprint.c --- a/gdb/expprint.c +++ b/gdb/expprint.c @@ -578,17 +578,14 @@ print_subexp_standard (struct expression *exp, int *pos, longest_to_int (exp->elts[pc + 1].longconst); *pos += 2; - if (range_type == NONE_BOUND_DEFAULT_EXCLUSIVE - || range_type == LOW_BOUND_DEFAULT_EXCLUSIVE) + if ((range_type & SUBARRAY_HIGH_BOUND_EXCLUSIVE) + == SUBARRAY_HIGH_BOUND_EXCLUSIVE) fputs_filtered ("EXCLUSIVE_", stream); fputs_filtered ("RANGE(", stream); - if (range_type == HIGH_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT_EXCLUSIVE) + if ((range_type & SUBARRAY_LOW_BOUND) == SUBARRAY_LOW_BOUND) print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); fputs_filtered ("..", stream); - if (range_type == LOW_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) + if ((range_type & SUBARRAY_HIGH_BOUND) == SUBARRAY_HIGH_BOUND) print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); fputs_filtered (")", stream); return; @@ -1098,22 +1095,24 @@ dump_subexp_body_standard (struct expression *exp, switch (range_type) { - case BOTH_BOUND_DEFAULT: + case SUBARRAY_NONE_BOUND: fputs_filtered ("Range '..'", stream); break; - case LOW_BOUND_DEFAULT: + case SUBARRAY_HIGH_BOUND: fputs_filtered ("Range '..EXP'", stream); break; - case LOW_BOUND_DEFAULT_EXCLUSIVE: - fputs_filtered ("ExclusiveRange '..EXP'", stream); - break; - case HIGH_BOUND_DEFAULT: + case SUBARRAY_LOW_BOUND: fputs_filtered ("Range 'EXP..'", stream); break; - case NONE_BOUND_DEFAULT: + case (SUBARRAY_LOW_BOUND + | SUBARRAY_HIGH_BOUND + | SUBARRAY_HIGH_BOUND_EXCLUSIVE): + fputs_filtered ("ExclusiveRange '..EXP'", stream); + break; + case (SUBARRAY_LOW_BOUND | SUBARRAY_HIGH_BOUND): fputs_filtered ("Range 'EXP..EXP'", stream); break; - case NONE_BOUND_DEFAULT_EXCLUSIVE: + case (SUBARRAY_HIGH_BOUND | SUBARRAY_HIGH_BOUND_EXCLUSIVE): fputs_filtered ("ExclusiveRange 'EXP..EXP'", stream); break; default: @@ -1121,11 +1120,9 @@ dump_subexp_body_standard (struct expression *exp, break; } - if (range_type == HIGH_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) + if ((range_type & SUBARRAY_LOW_BOUND) == SUBARRAY_LOW_BOUND) elt = dump_subexp (exp, stream, elt); - if (range_type == LOW_BOUND_DEFAULT - || range_type == NONE_BOUND_DEFAULT) + if ((range_type & SUBARRAY_HIGH_BOUND) == SUBARRAY_HIGH_BOUND) elt = dump_subexp (exp, stream, elt); } break; diff --git a/gdb/expression.h b/gdb/expression.h --- a/gdb/expression.h +++ b/gdb/expression.h @@ -148,28 +148,27 @@ extern void dump_raw_expression (struct expression *, struct ui_file *, const char *); extern void dump_prefix_expression (struct expression *, struct ui_file *); -/* In an OP_RANGE expression, either bound could be empty, indicating - that its value is by default that of the corresponding bound of the - array or string. Also, the upper end of the range can be exclusive - or inclusive. So we have six sorts of subrange. This enumeration - type is to identify this. */ +/* In an OP_RANGE expression, either bound can be provided by the + user, or not. In addition to this, the user can also specify a + stride value to indicated only certain elements of the array. + Also, the upper end of the range can be exclusive or inclusive. + This enumeration type is to identify this. */ enum range_type -{ - /* Neither the low nor the high bound was given -- so this refers to - the entire available range. */ - BOTH_BOUND_DEFAULT, - /* The low bound was not given and the high bound is inclusive. */ - LOW_BOUND_DEFAULT, - /* The high bound was not given and the low bound in inclusive. */ - HIGH_BOUND_DEFAULT, - /* Both bounds were given and both are inclusive. */ - NONE_BOUND_DEFAULT, - /* The low bound was not given and the high bound is exclusive. */ - NONE_BOUND_DEFAULT_EXCLUSIVE, - /* Both bounds were given. The low bound is inclusive and the high - bound is exclusive. */ - LOW_BOUND_DEFAULT_EXCLUSIVE, -}; + { + SUBARRAY_NONE_BOUND = 0x0, /* "( : )" */ + SUBARRAY_LOW_BOUND = 0x1, /* "(low:)" */ + SUBARRAY_HIGH_BOUND = 0x2, /* "(:high)" */ + SUBARRAY_STRIDE = 0x4, /* "(::stride)" */ + /* The low bound was not given and the high bound is exclusive. + In this case we always use (SUBARRAY_HIGH_BOUND | + SUBARRAY_HIGH_BOUND_EXCLUSIVE). */ + SUBARRAY_HIGH_BOUND_EXCLUSIVE = 0x8, + /* Both bounds were given. The low bound is inclusive and the high + bound is exclusive. In this case, we use (SUBARRAY_LOW_BOUND | + SUBARRAY_HIGH_BOUND | SUBARRAY_HIGH_BOUND_EXCLUSIVE). */ + // SUBARRAY_LOW_BOUND_EXCLUSIVE = (SUBARRAY_LOW_BOUND + // | SUBARRAY_HIGH_BOUND_EXCLUSIVE), + }; #endif /* !defined (EXPRESSION_H) */ diff --git a/gdb/f-exp.y b/gdb/f-exp.y --- a/gdb/f-exp.y +++ b/gdb/f-exp.y @@ -257,31 +257,63 @@ arglist : subrange arglist : arglist ',' exp %prec ABOVE_COMMA { arglist_len++; } + | arglist ',' subrange %prec ABOVE_COMMA + { arglist_len++; } ; /* There are four sorts of subrange types in F90. */ subrange: exp ':' exp %prec ABOVE_COMMA - { write_exp_elt_opcode (pstate, OP_RANGE); - write_exp_elt_longcst (pstate, NONE_BOUND_DEFAULT); + { write_exp_elt_opcode (pstate, OP_RANGE); + write_exp_elt_longcst (pstate, + SUBARRAY_LOW_BOUND | SUBARRAY_HIGH_BOUND); write_exp_elt_opcode (pstate, OP_RANGE); } ; subrange: exp ':' %prec ABOVE_COMMA { write_exp_elt_opcode (pstate, OP_RANGE); - write_exp_elt_longcst (pstate, HIGH_BOUND_DEFAULT); + write_exp_elt_longcst (pstate, SUBARRAY_LOW_BOUND); write_exp_elt_opcode (pstate, OP_RANGE); } ; subrange: ':' exp %prec ABOVE_COMMA { write_exp_elt_opcode (pstate, OP_RANGE); - write_exp_elt_longcst (pstate, LOW_BOUND_DEFAULT); + write_exp_elt_longcst (pstate, SUBARRAY_HIGH_BOUND); write_exp_elt_opcode (pstate, OP_RANGE); } ; subrange: ':' %prec ABOVE_COMMA { write_exp_elt_opcode (pstate, OP_RANGE); - write_exp_elt_longcst (pstate, BOTH_BOUND_DEFAULT); + write_exp_elt_longcst (pstate, SUBARRAY_NONE_BOUND); + write_exp_elt_opcode (pstate, OP_RANGE); } + ; + +/* Each subrange type can have a stride argument. */ +subrange: exp ':' exp ':' exp %prec ABOVE_COMMA + { write_exp_elt_opcode (pstate, OP_RANGE); + write_exp_elt_longcst (pstate, SUBARRAY_LOW_BOUND + | SUBARRAY_HIGH_BOUND + | SUBARRAY_STRIDE); + write_exp_elt_opcode (pstate, OP_RANGE); } + ; + +subrange: exp ':' ':' exp %prec ABOVE_COMMA + { write_exp_elt_opcode (pstate, OP_RANGE); + write_exp_elt_longcst (pstate, SUBARRAY_LOW_BOUND + | SUBARRAY_STRIDE); + write_exp_elt_opcode (pstate, OP_RANGE); } + ; + +subrange: ':' exp ':' exp %prec ABOVE_COMMA + { write_exp_elt_opcode (pstate, OP_RANGE); + write_exp_elt_longcst (pstate, SUBARRAY_HIGH_BOUND + | SUBARRAY_STRIDE); + write_exp_elt_opcode (pstate, OP_RANGE); } + ; + +subrange: ':' ':' exp %prec ABOVE_COMMA + { write_exp_elt_opcode (pstate, OP_RANGE); + write_exp_elt_longcst (pstate, SUBARRAY_STRIDE); write_exp_elt_opcode (pstate, OP_RANGE); } ; diff --git a/gdb/f-valprint.c b/gdb/f-valprint.c --- a/gdb/f-valprint.c +++ b/gdb/f-valprint.c @@ -119,8 +119,14 @@ f77_print_array_1 (int nss, int ndimensions, struct type *type, if (nss != ndimensions) { - size_t dim_size = TYPE_LENGTH (TYPE_TARGET_TYPE (type)); + size_t dim_size; size_t offs = 0; + LONGEST byte_stride = abs (TYPE_BYTE_STRIDE (range_type)); + + if (byte_stride) + dim_size = byte_stride; + else + dim_size = TYPE_LENGTH (TYPE_TARGET_TYPE (type)); for (i = lowerbound; (i < upperbound + 1 && (*elts) < options->print_max); diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c --- a/gdb/gdbtypes.c +++ b/gdb/gdbtypes.c @@ -902,7 +902,8 @@ operator== (const range_bounds &l, const range_bounds &r) struct type * create_range_type (struct type *result_type, struct type *index_type, const struct dynamic_prop *low_bound, - const struct dynamic_prop *high_bound) + const struct dynamic_prop *high_bound, + const struct dynamic_prop *stride) { if (result_type == NULL) result_type = alloc_type_copy (index_type); @@ -917,6 +918,7 @@ create_range_type (struct type *result_type, struct type *index_type, TYPE_ZALLOC (result_type, sizeof (struct range_bounds)); TYPE_RANGE_DATA (result_type)->low = *low_bound; TYPE_RANGE_DATA (result_type)->high = *high_bound; + TYPE_RANGE_DATA (result_type)->stride = *stride; if (low_bound->kind == PROP_CONST && low_bound->data.const_val >= 0) TYPE_UNSIGNED (result_type) = 1; @@ -945,7 +947,7 @@ struct type * create_static_range_type (struct type *result_type, struct type *index_type, LONGEST low_bound, LONGEST high_bound) { - struct dynamic_prop low, high; + struct dynamic_prop low, high, stride; low.kind = PROP_CONST; low.data.const_val = low_bound; @@ -953,7 +955,11 @@ create_static_range_type (struct type *result_type, struct type *index_type, high.kind = PROP_CONST; high.data.const_val = high_bound; - result_type = create_range_type (result_type, index_type, &low, &high); + stride.kind = PROP_CONST; + stride.data.const_val = 0; + + result_type = create_range_type (result_type, index_type, + &low, &high, &stride); return result_type; } @@ -1171,16 +1177,20 @@ create_array_type_with_stride (struct type *result_type, && (!type_not_associated (result_type) && !type_not_allocated (result_type))) { - LONGEST low_bound, high_bound; + LONGEST low_bound, high_bound, byte_stride; if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0) low_bound = high_bound = 0; element_type = check_typedef (element_type); + byte_stride = abs (TYPE_BYTE_STRIDE (range_type)); + /* Be careful when setting the array length. Ada arrays can be empty arrays with the high_bound being smaller than the low_bound. In such cases, the array length should be zero. */ if (high_bound < low_bound) TYPE_LENGTH (result_type) = 0; + else if (byte_stride > 0) + TYPE_LENGTH (result_type) = byte_stride * (high_bound - low_bound + 1); else if (bit_stride > 0) TYPE_LENGTH (result_type) = (bit_stride * (high_bound - low_bound + 1) + 7) / 8; @@ -1981,12 +1991,12 @@ resolve_dynamic_range (struct type *dyn_range_type, CORE_ADDR value; struct type *static_range_type, *static_target_type; const struct dynamic_prop *prop; - struct dynamic_prop low_bound, high_bound; + struct dynamic_prop low_bound, high_bound, stride; gdb_assert (TYPE_CODE (dyn_range_type) == TYPE_CODE_RANGE); prop = &TYPE_RANGE_DATA (dyn_range_type)->low; - if (dwarf2_evaluate_property (prop, NULL, addr_stack, &value)) + if (dwarf2_evaluate_property_signed (prop, NULL, addr_stack, &value, 1)) { low_bound.kind = PROP_CONST; low_bound.data.const_val = value; @@ -1998,7 +2008,7 @@ resolve_dynamic_range (struct type *dyn_range_type, } prop = &TYPE_RANGE_DATA (dyn_range_type)->high; - if (dwarf2_evaluate_property (prop, NULL, addr_stack, &value)) + if (dwarf2_evaluate_property_signed (prop, NULL, addr_stack, &value, 1)) { high_bound.kind = PROP_CONST; high_bound.data.const_val = value; @@ -2013,12 +2023,20 @@ resolve_dynamic_range (struct type *dyn_range_type, high_bound.data.const_val = 0; } + prop = &TYPE_RANGE_DATA (dyn_range_type)->stride; + if (dwarf2_evaluate_property_signed (prop, NULL, addr_stack, &value, 1)) + { + stride.kind = PROP_CONST; + stride.data.const_val = value; + } + static_target_type = resolve_dynamic_type_internal (TYPE_TARGET_TYPE (dyn_range_type), addr_stack, 0); static_range_type = create_range_type (copy_type (dyn_range_type), static_target_type, - &low_bound, &high_bound); + &low_bound, &high_bound, &stride); + TYPE_RANGE_DATA (static_range_type)->flag_bound_evaluated = 1; return static_range_type; } diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -612,6 +612,10 @@ struct range_bounds struct dynamic_prop high; + /* * Stride of range. */ + + struct dynamic_prop stride; + /* True if HIGH range bound contains the number of elements in the subrange. This affects how the final hight bound is computed. */ @@ -776,7 +780,6 @@ struct main_type /* * Union member used for range types. */ struct range_bounds *bounds; - } flds_bnds; /* * Slot to point to additional language-specific fields of this @@ -1329,6 +1332,15 @@ extern bool set_type_align (struct type *, ULONGEST); TYPE_RANGE_DATA(range_type)->high.kind #define TYPE_LOW_BOUND_KIND(range_type) \ TYPE_RANGE_DATA(range_type)->low.kind +#define TYPE_BYTE_STRIDE(range_type) \ + TYPE_RANGE_DATA(range_type)->stride.data.const_val +#define TYPE_BYTE_STRIDE_BLOCK(range_type) \ + TYPE_RANGE_DATA(range_type)->stride.data.locexpr +#define TYPE_BYTE_STRIDE_LOCLIST(range_type) \ + TYPE_RANGE_DATA(range_type)->stride.data.loclist +#define TYPE_BYTE_STRIDE_KIND(range_type) \ + TYPE_RANGE_DATA(range_type)->stride.kind + /* Property accessors for the type data location. */ #define TYPE_DATA_LOCATION(thistype) \ @@ -1363,6 +1375,9 @@ extern bool set_type_align (struct type *, ULONGEST); TYPE_HIGH_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype)) #define TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED(arraytype) \ TYPE_LOW_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype)) +#define TYPE_ARRAY_STRIDE_IS_UNDEFINED(arraytype) \ + (TYPE_BYTE_STRIDE(TYPE_INDEX_TYPE(arraytype)) == 0) + #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ (TYPE_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype)))) @@ -1892,6 +1907,7 @@ extern struct type *create_array_type_with_stride struct dynamic_prop *, unsigned int); extern struct type *create_range_type (struct type *, struct type *, + const struct dynamic_prop *, const struct dynamic_prop *, const struct dynamic_prop *); diff --git a/gdb/parse.c b/gdb/parse.c --- a/gdb/parse.c +++ b/gdb/parse.c @@ -989,24 +989,20 @@ operator_length_standard (const struct expression *expr, int endpos, case OP_RANGE: oplen = 3; + args = 0; range_type = (enum range_type) longest_to_int (expr->elts[endpos - 2].longconst); - switch (range_type) - { - case LOW_BOUND_DEFAULT: - case LOW_BOUND_DEFAULT_EXCLUSIVE: - case HIGH_BOUND_DEFAULT: - args = 1; - break; - case BOTH_BOUND_DEFAULT: - args = 0; - break; - case NONE_BOUND_DEFAULT: - case NONE_BOUND_DEFAULT_EXCLUSIVE: - args = 2; - break; - } + /* Increment the argument counter for each argument + provided by the user. */ + if ((range_type & SUBARRAY_LOW_BOUND) == SUBARRAY_LOW_BOUND) + args++; + + if ((range_type & SUBARRAY_HIGH_BOUND) == SUBARRAY_HIGH_BOUND) + args++; + + if ((range_type & SUBARRAY_STRIDE) == SUBARRAY_STRIDE) + args++; break; diff --git a/gdb/rust-exp.y b/gdb/rust-exp.y --- a/gdb/rust-exp.y +++ b/gdb/rust-exp.y @@ -2478,24 +2478,28 @@ convert_ast_to_expression (struct parser_state *state, case OP_RANGE: { - enum range_type kind = BOTH_BOUND_DEFAULT; + enum range_type kind = SUBARRAY_NONE_BOUND; if (operation->left.op != NULL) { convert_ast_to_expression (state, operation->left.op, top); - kind = HIGH_BOUND_DEFAULT; + kind = SUBARRAY_LOW_BOUND; } if (operation->right.op != NULL) { convert_ast_to_expression (state, operation->right.op, top); - if (kind == BOTH_BOUND_DEFAULT) - kind = (operation->inclusive - ? LOW_BOUND_DEFAULT : LOW_BOUND_DEFAULT_EXCLUSIVE); + if (kind == SUBARRAY_NONE_BOUND) + { + kind = (range_type) SUBARRAY_HIGH_BOUND; + if (!operation->inclusive) + kind = (range_type) (kind | SUBARRAY_HIGH_BOUND_EXCLUSIVE); + } else { - gdb_assert (kind == HIGH_BOUND_DEFAULT); - kind = (operation->inclusive - ? NONE_BOUND_DEFAULT : NONE_BOUND_DEFAULT_EXCLUSIVE); + gdb_assert (kind == SUBARRAY_LOW_BOUND); + kind = (range_type) (kind | SUBARRAY_HIGH_BOUND); + if (!operation->inclusive) + kind = (range_type) (kind | SUBARRAY_HIGH_BOUND_EXCLUSIVE); } } else diff --git a/gdb/rust-lang.c b/gdb/rust-lang.c --- a/gdb/rust-lang.c +++ b/gdb/rust-lang.c @@ -1149,13 +1149,11 @@ rust_range (struct expression *exp, int *pos, enum noside noside) kind = (enum range_type) longest_to_int (exp->elts[*pos + 1].longconst); *pos += 3; - if (kind == HIGH_BOUND_DEFAULT || kind == NONE_BOUND_DEFAULT - || kind == NONE_BOUND_DEFAULT_EXCLUSIVE) + if ((kind & SUBARRAY_LOW_BOUND) == SUBARRAY_LOW_BOUND) low = evaluate_subexp (NULL_TYPE, exp, pos, noside); - if (kind == LOW_BOUND_DEFAULT || kind == LOW_BOUND_DEFAULT_EXCLUSIVE - || kind == NONE_BOUND_DEFAULT || kind == NONE_BOUND_DEFAULT_EXCLUSIVE) + if ((kind & SUBARRAY_HIGH_BOUND) == SUBARRAY_HIGH_BOUND) high = evaluate_subexp (NULL_TYPE, exp, pos, noside); - bool inclusive = (kind == NONE_BOUND_DEFAULT || kind == LOW_BOUND_DEFAULT); + bool inclusive = (!((kind & SUBARRAY_HIGH_BOUND_EXCLUSIVE) == SUBARRAY_HIGH_BOUND_EXCLUSIVE)); if (noside == EVAL_SKIP) return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1); @@ -1244,7 +1242,7 @@ rust_compute_range (struct type *type, struct value *range, *low = 0; *high = 0; - *kind = BOTH_BOUND_DEFAULT; + *kind = SUBARRAY_NONE_BOUND; if (TYPE_NFIELDS (type) == 0) return; @@ -1252,15 +1250,14 @@ rust_compute_range (struct type *type, struct value *range, i = 0; if (strcmp (TYPE_FIELD_NAME (type, 0), "start") == 0) { - *kind = HIGH_BOUND_DEFAULT; + *kind = SUBARRAY_LOW_BOUND; *low = value_as_long (value_field (range, 0)); ++i; } if (TYPE_NFIELDS (type) > i && strcmp (TYPE_FIELD_NAME (type, i), "end") == 0) { - *kind = (*kind == BOTH_BOUND_DEFAULT - ? LOW_BOUND_DEFAULT : NONE_BOUND_DEFAULT); + *kind = (range_type) (*kind | SUBARRAY_HIGH_BOUND); *high = value_as_long (value_field (range, i)); if (rust_inclusive_range_type_p (type)) @@ -1278,7 +1275,7 @@ rust_subscript (struct expression *exp, int *pos, enum noside noside, struct type *rhstype; LONGEST low, high_bound; /* Initialized to appease the compiler. */ - enum range_type kind = BOTH_BOUND_DEFAULT; + enum range_type kind = SUBARRAY_NONE_BOUND; LONGEST high = 0; int want_slice = 0; @@ -1376,7 +1373,7 @@ rust_subscript (struct expression *exp, int *pos, enum noside noside, error (_("Cannot subscript non-array type")); if (want_slice - && (kind == BOTH_BOUND_DEFAULT || kind == LOW_BOUND_DEFAULT)) + && ((kind & SUBARRAY_LOW_BOUND) != SUBARRAY_LOW_BOUND)) low = low_bound; if (low < 0) error (_("Index less than zero")); @@ -1394,7 +1391,7 @@ rust_subscript (struct expression *exp, int *pos, enum noside noside, CORE_ADDR addr; struct value *addrval, *tem; - if (kind == BOTH_BOUND_DEFAULT || kind == HIGH_BOUND_DEFAULT) + if ((kind & SUBARRAY_HIGH_BOUND) != SUBARRAY_HIGH_BOUND) high = high_bound; if (high < 0) error (_("High index less than zero")); diff --git a/gdb/testsuite/gdb.fortran/static-arrays.exp b/gdb/testsuite/gdb.fortran/static-arrays.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.fortran/static-arrays.exp @@ -0,0 +1,421 @@ +# Copyright 2015 Free Software Foundation, Inc. +# +# Contributed by Intel Corp. <christoph.t.weinmann@intel.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +standard_testfile static-arrays.f90 + +if { [prepare_for_testing $testfile.exp $testfile $srcfile {debug f90}] } { + return -1 +} + +if ![runto MAIN__] then { + perror "couldn't run to breakpoint MAIN__" + continue +} + +gdb_breakpoint [gdb_get_line_number "BP1"] +gdb_continue_to_breakpoint "BP1" ".*BP1.*" + +# Tests subarrays of one dimensional arrays with subrange variations +gdb_test "print ar1" "\\$\[0-9\]+ = \\(1, 2, 3, 4, 5, 6, 7, 8, 9\\)" \ + "print ar1." +gdb_test "print ar1\(4:7\)" "\\$\[0-9\]+ = \\(4, 5, 6, 7\\)" \ + "print ar1\(4:7\)" +gdb_test "print ar1\(8:\)" "\\$\[0-9\]+ = \\(8, 9\\).*" \ + "print ar1\(8:\)" +gdb_test "print ar1\(:3\)" "\\$\[0-9\]+ = \\(1, 2, 3\\).*" \ + "print ar1\(:3\)" +gdb_test "print ar1\(:\)" "\\$\[0-9\]+ = \\(1, 2, 3, 4, 5, 6, 7, 8, 9\\)" \ + "print ar1\(:\)" + +# Check assignment +gdb_test_no_output "set \$my_ary = ar1\(3:8\)" +gdb_test "print \$my_ary" \ + "\\$\[0-9\]+ = \\(3, 4, 5, 6, 7, 8\\)" \ + "Assignment of subarray to variable" +gdb_test_no_output "set ar1\(5\) = 42" + gdb_test "print ar1\(3:8\)" \ + "\\$\[0-9\]+ = \\(3, 4, 42, 6, 7, 8\\)" \ + "print ar1\(3:8\) after assignment" +gdb_test "print \$my_ary" \ + "\\$\[0-9\]+ = \\(3, 4, 5, 6, 7, 8\\)" \ + "Assignment of subarray to variable after original array changed" + +# Test for subarrays of one dimensional arrays with literals + gdb_test "print ar1\(3\)" "\\$\[0-9\]+ = 3" \ + "print ar1\(3\)" + +# Tests for subranges of 2 dimensional arrays with subrange variations +gdb_test "print ar2\(2:3, 3:4\)" \ + "\\$\[0-9\]+ = \\(\\( 23, 33\\) \\( 24, 34\\) \\)" \ + "print ar2\(2:3, 3:4\)." +gdb_test "print ar2\(8:9,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 88, 98\\) \\( 89, 99\\) \\)" \ + "print ar2\(8:9,8:\)" +gdb_test "print ar2\(8:9,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 81, 91\\) \\( 82, 92\\) \\)" \ + "print ar2\(8:9,:2\)" + +gdb_test "print ar2\(8:,8:9\)" \ + "\\$\[0-9\]+ = \\(\\( 88, 98\\) \\( 89, 99\\) \\)" \ + "print ar2\(8:,8:9\)" +gdb_test "print ar2\(8:,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 88, 98\\) \\( 89, 99\\) \\)" \ + "print ar2\(8:,8:\)" +gdb_test "print ar2\(8:,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 81, 91\\) \\( 82, 92\\) \\)" \ + "print ar2\(8:,:2\)" + +gdb_test "print ar2\(:2,2:3\)" \ + "\\$\[0-9\]+ = \\(\\( 12, 22\\) \\( 13, 23\\) \\)" \ + "print ar2\(:2,2:3\)" +gdb_test "print ar2\(:2,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 18, 28\\) \\( 19, 29\\) \\)" \ + "print ar2\(:2,8:\)" +gdb_test "print ar2\(:2,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 11, 21\\) \\( 12, 22\\) \\)" \ + "print ar2\(:2,:2\)" + +# Test subranges of 2 dimensional arrays with literals and subrange variations +gdb_test "print ar2\(7, 3:6\)" \ + "\\$\[0-9\]+ = \\(73, 74, 75, 76\\)" \ + "print ar2\(7, 3:6\)" +gdb_test "print ar2\(7,8:\)" \ + "\\$\[0-9\]+ = \\(78, 79\\)" \ + "print ar2\(7,8:\)" +gdb_test "print ar2\(7,:2\)" \ + "\\$\[0-9\]+ = \\(71, 72\\)" \ + "print ar2\(7,:2\)" + +gdb_test "print ar2\(7:8,4\)" \ + "\\$\[0-9\]+ = \\(74, 84\\)" \ + "print ar2(7:8,4\)" +gdb_test "print ar2\(8:,4\)" \ + "\\$\[0-9\]+ = \\(84, 94\\)" \ + "print ar2\(8:,4\)" +gdb_test "print ar2\(:2,4\)" \ + "\\$\[0-9\]+ = \\(14, 24\\)" \ + "print ar2\(:2,4\)" +gdb_test "print ar2\(3,4\)" \ + "\\$\[0-9\]+ = 34" \ + "print ar2\(3,4\)" + +# Test subarrays of 3 dimensional arrays with literals and subrange variations +gdb_test "print ar3\(2:4,3:4,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 237, 337, 437\\) \\( 247, 347, 447\\)\ + \\) \\( \\( 238, 338, 438\\) \\( 248, 348, 448\\) \\) \\)" \ + "print ar3\(2:4,3:4,7:8\)" +gdb_test "print ar3\(2:3,4:5,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 248, 348\\) \\( 258, 358\\) \\) \\(\ + \\( 249, 349\\) \\( 259, 359\\) \\) \\)" \ + "print ar3\(2:3,4:5,8:\)" +gdb_test "print ar3\(2:3,4:5,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 241, 341\\) \\( 251, 351\\) \\) \\(\ + \\( 242, 342\\) \\( 252, 352\\) \\) \\)" \ + "print ar3\(2:3,4:5,:2\)" + +gdb_test "print ar3\(2:3,8:,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 287, 387\\) \\( 297, 397\\) \\) \\(\ + \\( 288, 388\\) \\( 298, 398\\) \\) \\)" \ + "print ar3\(2:3,8:,7:8\)" +gdb_test "print ar3\(2:3,8:,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 288, 388\\) \\( 298, 398\\) \\) \\(\ + \\( 289, 389\\) \\( 299, 399\\) \\) \\)" \ + "print ar3\(2:3,8:,8:\)" +gdb_test "print ar3\(2:3,8:,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 281, 381\\) \\( 291, 391\\) \\) \\(\ + \\( 282, 382\\) \\( 292, 392\\) \\) \\)" \ + "print ar3\(2:3,8:,:2\)" + +gdb_test "print ar3\(2:3,:2,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 217, 317\\) \\( 227, 327\\) \\) \\(\ + \\( 218, 318\\) \\( 228, 328\\) \\) \\)" \ + "print ar3\(2:3,:2,7:8\)" +gdb_test "print ar3\(2:3,:2,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 218, 318\\) \\( 228, 328\\) \\) \\(\ + \\( 219, 319\\) \\( 229, 329\\) \\) \\)" \ + "print ar3\(2:3,:2,8:\)" +gdb_test "print ar3\(2:3,:2,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 211, 311\\) \\( 221, 321\\) \\) \\(\ + \\( 212, 312\\) \\( 222, 322\\) \\) \\)" \ + "print ar3\(2:3,:2,:2\)" + +gdb_test "print ar3\(8:,3:4,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 837, 937\\) \\( 847, 947\\) \\) \\(\ + \\( 838, 938\\) \\( 848, 948\\) \\) \\)" \ + "print ar3\(8:,3:4,7:8\)" +gdb_test "print ar3\(8:,4:5,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 848, 948\\) \\( 858, 958\\) \\) \\(\ + \\( 849, 949\\) \\( 859, 959\\) \\) \\)" \ + "print ar3\(8:,4:5,8:\)" +gdb_test "print ar3\(8:,4:5,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 841, 941\\) \\( 851, 951\\) \\) \\(\ + \\( 842, 942\\) \\( 852, 952\\) \\) \\)" \ + "print ar3\(8:,4:5,:2\)" + +gdb_test "print ar3\(8:,8:,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 887, 987\\) \\( 897, 997\\) \\) \\(\ + \\( 888, 988\\) \\( 898, 998\\) \\) \\)" \ + "print ar3\(8:,8:,7:8\)" +gdb_test "print ar3\(8:,8:,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 888, 988\\) \\( 898, 998\\) \\) \\(\ + \\( 889, 989\\) \\( 899, 999\\) \\) \\)" \ + "print ar3\(8:,8:,8:\)" +gdb_test "print ar3\(8:,8:,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 881, 981\\) \\( 891, 991\\) \\) \\(\ + \\( 882, 982\\) \\( 892, 992\\) \\) \\)" \ + "print ar3\(8:,8:,:2\)" + +gdb_test "print ar3\(8:,:2,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 817, 917\\) \\( 827, 927\\) \\) \\(\ + \\( 818, 918\\) \\( 828, 928\\) \\) \\)" \ + "print ar3\(8:,:2,7:8\)" +gdb_test "print ar3\(8:,:2,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 818, 918\\) \\( 828, 928\\) \\) \\(\ + \\( 819, 919\\) \\( 829, 929\\) \\) \\)" \ + "print ar3\(8:,:2,8:\)" +gdb_test "print ar3\(8:,:2,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 811, 911\\) \\( 821, 921\\) \\) \\(\ + \\( 812, 912\\) \\( 822, 922\\) \\) \\)" \ + "print ar3\(8:,:2,:2\)" + + +gdb_test "print ar3\(:2,3:4,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 137, 237\\) \\( 147, 247\\) \\) \\(\ + \\( 138, 238\\) \\( 148, 248\\) \\) \\)" \ + "print ar3 \(:2,3:4,7:8\)." +gdb_test "print ar3\(:2,3:4,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 138, 238\\) \\( 148, 248\\) \\) \\(\ + \\( 139, 239\\) \\( 149, 249\\) \\) \\)" \ + "print ar3\(:2,3:4,8:\)" +gdb_test "print ar3\(:2,3:4,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 131, 231\\) \\( 141, 241\\) \\) \\(\ + \\( 132, 232\\) \\( 142, 242\\) \\) \\)" \ + "print ar3\(:2,3:4,:2\)" + +gdb_test "print ar3\(:2,8:,7:8\)" "\\$\[0-9\]+ = \\(\\( \\( 187, 287\\) \\(\ + 197, 297\\) \\) \\( \\( 188, 288\\) \\( 198, 298\\) \\) \\)" \ + "print ar3\(:2,8:,7:8\)" +gdb_test "print ar3\(:2,8:,8:\)" "\\$\[0-9\]+ = \\(\\( \\( 188, 288\\) \\( 198,\ + 298\\) \\) \\( \\( 189, 289\\) \\( 199, 299\\) \\) \\)" \ + "print ar3\(:2,8:,8:\)" +gdb_test "print ar3\(:2,8:,:2\)" "\\$\[0-9\]+ = \\(\\( \\( 181, 281\\) \\( 191,\ + 291\\) \\) \\( \\( 182, 282\\) \\( 192, 292\\) \\) \\)" \ + "print ar3\(:2,8:,:2\)" + +gdb_test "print ar3\(:2,:2,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 117, 217\\) \\( 127, 227\\) \\) \\(\ + \\( 118, 218\\) \\( 128, 228\\) \\) \\)" \ + "print ar3\(:2,:2,7:8\)" +gdb_test "print ar3\(:2,:2,8:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 118, 218\\) \\( 128, 228\\) \\) \\(\ + \\( 119, 219\\) \\( 129, 229\\) \\) \\)" \ + "print ar3\(:2,:2,8:\)" +gdb_test "print ar3\(:2,:2,:2\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 111, 211\\) \\( 121, 221\\) \\) \\(\ + \\( 112, 212\\) \\( 122, 222\\) \\) \\)" \ + "print ar3\(:2,:2,:2\)" + +#Tests for subarrays of 3 dimensional arrays with literals and subranges +gdb_test "print ar3\(3,3:4,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 337, 347\\) \\( 338, 348\\) \\)" \ + "print ar3\(3,3:4,7:8\)" +gdb_test "print ar3\(3,4:5,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 348, 358\\) \\( 349, 359\\) \\)" \ + "print ar3\(3,4:5,8:\)" +gdb_test "print ar3\(3,4:5,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 341, 351\\) \\( 342, 352\\) \\)" \ + "print ar3\(3,4:5,:2\)" +gdb_test "print ar3\(3,4:5,3\)" \ + "\\$\[0-9\]+ = \\(343, 353\\)" \ + "print ar3\(3,4:5,3\)" + +gdb_test "print ar3\(2,8:,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 287, 297\\) \\( 288, 298\\) \\)" \ + "print ar3\(2,8:,7:8\)" +gdb_test "print ar3\(2,8:,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 288, 298\\) \\( 289, 299\\) \\)" \ + "print ar3\(2,8:,8:\)" +gdb_test "print ar3\(2,8:,:2\)"\ + "\\$\[0-9\]+ = \\(\\( 281, 291\\) \\( 282, 292\\) \\)" \ + "print ar3\(2,8:,:2\)" +gdb_test "print ar3\(2,8:,3\)" \ + "\\$\[0-9\]+ = \\(283, 293\\)" \ + "print ar3\(2,8:,3\)" + +gdb_test "print ar3\(2,:2,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 217, 227\\) \\( 218, 228\\) \\)" \ + "print ar3\(2,:2,7:8\)" +gdb_test "print ar3\(2,:2,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 218, 228\\) \\( 219, 229\\) \\)" \ + "print ar3\(2,:2,8:\)" +gdb_test "print ar3\(2,:2,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 211, 221\\) \\( 212, 222\\) \\)" \ + "print ar3\(2,:2,:2\)" +gdb_test "print ar3\(2,:2,3\)" \ + "\\$\[0-9\]+ = \\(213, 223\\)" \ + "print ar3\(2,:2,3\)" + +gdb_test "print ar3\(3,4,7:8\)" \ + "\\$\[0-9\]+ = \\(347, 348\\)" \ + "print ar3\(3,4,7:8\)" +gdb_test "print ar3\(3,4,8:\)" \ + "\\$\[0-9\]+ = \\(348, 349\\)" \ +i "print ar3\(3,4,8:\)" +gdb_test "print ar3\(3,4,:2\)" \ + "\\$\[0-9\]+ = \\(341, 342\\)" \ + "print ar3\(3,4,:2\)" +gdb_test "print ar3\(5,6,7\)" \ + "\\$\[0-9\]+ = 567" \ + "print ar3\(5,6,7\)" + +gdb_test "print ar3\(3:4,6,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 367, 467\\) \\( 368, 468\\) \\)" \ + "print ar3\(3:4,6,7:8\)" +gdb_test "print ar3\(3:4,6,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 368, 468\\) \\( 369, 469\\) \\)" \ + "print ar3\(3:4,6,8:\)" +gdb_test "print ar3\(3:4,6,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 361, 461\\) \\( 362, 462\\) \\)" \ + "print ar3\(3:4,6,:2\)" +gdb_test "print ar3\(3:4,6,5\)" \ + "\\$\[0-9\]+ = \\(365, 465\\)" \ + "print ar3\(3:4,6,5\)" + +gdb_test "print ar3\(8:,6,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 867, 967\\) \\( 868, 968\\) \\)" \ + "print ar3\(8:,6,7:8\)" +gdb_test "print ar3\(8:,6,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 868, 968\\) \\( 869, 969\\) \\)" \ + "print ar3\(8:,6,8:\)" +gdb_test "print ar3\(8:,6,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 861, 961\\) \\( 862, 962\\) \\)" \ + "print ar3\(8:,6,:2\)" +gdb_test "print ar3\(8:,6,5\)" \ + "\\$\[0-9\]+ = \\(865, 965\\)" \ + "print ar3\(8:,6,5\)" + +gdb_test "print ar3\(:2,6,7:8\)" \ + "\\$\[0-9\]+ = \\(\\( 167, 267\\) \\( 168, 268\\) \\)" \ + "print ar3\(:2,6,7:8\)" +gdb_test "print ar3\(:2,6,8:\)" \ + "\\$\[0-9\]+ = \\(\\( 168, 268\\) \\( 169, 269\\) \\)" \ + "print ar3\(:2,6,8:\)" +gdb_test "print ar3\(:2,6,:2\)" \ + "\\$\[0-9\]+ = \\(\\( 161, 261\\) \\( 162, 262\\) \\)" \ + "print ar3\(:2,6,:2\)" +gdb_test "print ar3\(:2,6,5\)" \ + "\\$\[0-9\]+ = \\(165, 265\\)" \ + "print ar3\(:2,6,5\)" + +gdb_test "print ar3\(3:4,5:6,4\)" \ + "\\$\[0-9\]+ = \\(\\( 354, 454\\) \\( 364, 464\\) \\)" \ + "print ar2\(3:4,5:6,4\)" +gdb_test "print ar3\(8:,5:6,4\)" \ + "\\$\[0-9\]+ = \\(\\( 854, 954\\) \\( 864, 964\\) \\)" \ + "print ar2\(8:,5:6,4\)" +gdb_test "print ar3\(:2,5:6,4\)" \ + "\\$\[0-9\]+ = \\(\\( 154, 254\\) \\( 164, 264\\) \\)" \ + "print ar2\(:2,5:6,4\)" + +# Stride > 1 +gdb_test "print ar1\(2:6:2\)" \ + "\\$\[0-9\]+ = \\(2, 4, 6\\)" \ + "print ar1\(2:6:2\)" +gdb_test "print ar2\(2:6:2,3:4\)" \ + "\\$\[0-9\]+ = \\(\\( 23, 43, 63\\) \\( 24, 44, 64\\) \\)" \ + "print ar2\(2:6:2,3:4\)" +gdb_test "print ar2\(2:6:2,3\)" \ + "\\$\[0-9\]+ = \\(23, 43, 63\\)" \ + "print ar2\(2:6:2,3\)" +gdb_test "print ar3\(2:6:2,3:5:2,4:7:3\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 234, 434, 634\\) \\( 254, 454, 654\\)\ + \\) \\( \\( 237, 437, 637\\) \\( 257, 457, 657\\) \\) \\)" \ + "print ar3\(2:6:2,3:5:2,4:7:3\)" +gdb_test "print ar3\(2:6:2,5,4:7:3\)" \ + "\\$\[0-9\]+ = \\(\\( 254, 454, 654\\) \\( 257, 457, 657\\)\ + \\)" \ + "print ar3\(2:6:2,5,4:7:3\)" + +# Stride < 0 +gdb_test "print ar1\(8:2:-2\)" \ + "\\$\[0-9\]+ = \\(8, 6, 4, 2\\)" \ + "print ar1\(8:2:-2\)" +gdb_test "print ar2\(8:2:-2,3:4\)" \ + "\\$\[0-9\]+ = \\(\\( 83, 63, 43, 23\\) \\( 84, 64, 44, 24\\)\ + \\)" \ + "print ar2\(8:2:-2,3:4\)" +gdb_test "print ar2\(2:6:2,3\)" \ + "\\$\[0-9\]+ = \\(23, 43, 63\\)" \ + "print ar2\(2:6:2,3\)" +gdb_test "print ar3\(2:3,7:3:-4,4:7:3\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 274, 374\\) \\( 234, 334\\) \\) \\(\ + \\( 277, 377\\) \\( 237, 337\\) \\) \\)" \ + "print ar3\(2:3,7:3:-4,4:7:3\)" +gdb_test "print ar3\(2:6:2,5,7:4:-3\)" \ + "\\$\[0-9\]+ = \\(\\( 257, 457, 657\\) \\( 254, 454, 654\\)\ + \\)" \ + "print ar3\(2:6:2,5,7:4:-3\)" + +# Tests with negative and mixed indices +gdb_test "p ar4\(2:4, -2:1, -15:-14\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 261, 361, 461\\) \\( 271, 371, 471\\)\ + \\( 281, 381, 481\\) \\( 291, 391, 491\\) \\) \\( \\( 262,\ + 362, 462\\) \\( 272, 372, 472\\) \\( 282, 382, 482\\) \\( 292,\ + 392, 492\\) \\) \\)" \ + "print ar4(2:4, -2:1, -15:-14)" + +gdb_test "p ar4\(7,-6:2:3,-7\)" \ + "\\$\[0-9\]+ = \\(729, 759, 789\\)" \ + "print ar4(7,-6:2:3,-7)" + +gdb_test "p ar4\(9:2:-2, -6:2:3, -6:-15:-3\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 930, 730, 530, 330\\) \\( 960, 760,\ + 560, 360\\) \\( 990, 790, 590, 390\\) \\) \\( \\( 927, 727,\ + 527, 327\\) \\( 957, 757, 557, 357\\) \\( 987, 787, 587,\ + 387\\) \\) \\( \\( 924, 724, 524, 324\\) \\( 954, 754, 554,\ + 354\\) \\( 984, 784, 584, 384\\) \\) \\( \\( 921, 721, 521,\ + 321\\) \\( 951, 751, 551, 351\\) \\( 981, 781, 581, 381\\) \\)\ + \\)" \ + "print ar4(9:2:-2, -6:2:3, -6:-15:-3)" + +gdb_test "p ar4\(:,:,:\)" \ + "\\$\[0-9\]+ = \\(\\( \\( 111, 211, 311, 411, 511, 611, 711,\ + 811, .*" \ + "print ar4(:,:,:)" + +# Provoke error messages for bad user input +gdb_test "print ar1\(0:4\)" \ + "provided bound\\(s\\) outside array bound\\(s\\)" \ + "print ar1\(0:4\)" +gdb_test "print ar1\(8:12\)" \ + "provided bound\\(s\\) outside array bound\\(s\\)" \ + "print ar1\(8:12\)" +gdb_test "print ar1\(8:2:\)" \ + "A syntax error in expression, near `\\)'." \ + "print ar1\(8:2:\)" +gdb_test "print ar1\(8:2:2\)" \ + "Wrong value provided for stride and boundaries" \ + "print ar1\(8:2:2\)" +gdb_test "print ar1\(2:8:-2\)" \ + "Wrong value provided for stride and boundaries" \ + "print ar1\(2:8:-2\)" +gdb_test "print ar1\(2:7:0\)" \ + "Stride must not be 0" \ + "print ar1\(2:7:0\)" +gdb_test "print ar1\(3:7\) = 42" \ + "Invalid cast." \ + "Assignment of value to subarray" diff --git a/gdb/testsuite/gdb.fortran/static-arrays.f90 b/gdb/testsuite/gdb.fortran/static-arrays.f90 new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.fortran/static-arrays.f90 @@ -0,0 +1,55 @@ +! Copyright 2015 Free Software Foundation, Inc. +! +! Contributed by Intel Corp. <christoph.t.weinmann@intel.com> +! +! This program is free software; you can redistribute it and/or modify +! it under the terms of the GNU General Public License as published by +! the Free Software Foundation; either version 3 of the License, or +! (at your option) any later version. +! +! This program is distributed in the hope that it will be useful, +! but WITHOUT ANY WARRANTY; without even the implied warranty of +! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +! GNU General Public License for more details. +! +! You should have received a copy of the GNU General Public License +! along with this program. If not, see <http://www.gnu.org/licenses/>. + +subroutine sub + integer, dimension(9) :: ar1 + integer, dimension(9,9) :: ar2 + integer, dimension(9,9,9) :: ar3 + integer, dimension(10,-7:3, -15:-5) :: ar4 + integer :: i,j,k + + ar1 = 1 + ar2 = 1 + ar3 = 1 + ar4 = 4 + + ! Resulting array ar3 looks like ((( 111, 112, 113, 114,...))) + do i = 1, 9, 1 + ar1(i) = i + do j = 1, 9, 1 + ar2(i,j) = i*10 + j + do k = 1, 9, 1 + ar3(i,j,k) = i*100 + j*10 + k + end do + end do + end do + + do i = 1, 10, 1 + do j = -7, 3, 1 + do k = -15, -5, 1 + ar4(i,j,k) = i*100 + (j+8)*10 + (k+16) + end do + end do + end do + + ar1(1) = 11 !BP1 + return +end + +program testprog + call sub +end diff --git a/gdb/testsuite/gdb.fortran/vla-ptype.exp b/gdb/testsuite/gdb.fortran/vla-ptype.exp --- a/gdb/testsuite/gdb.fortran/vla-ptype.exp +++ b/gdb/testsuite/gdb.fortran/vla-ptype.exp @@ -98,3 +98,7 @@ gdb_test "ptype vla2" "type = <not allocated>" "ptype vla2 not allocated" gdb_test "ptype vla2(5, 45, 20)" \ "no such vector element \\\(vector not allocated\\\)" \ "ptype vla2(5, 45, 20) not allocated" + +gdb_breakpoint [gdb_get_line_number "vla1-neg-bounds"] +gdb_continue_to_breakpoint "vla1-neg-bounds" +gdb_test "ptype vla1" "type = $real \\(-2:1,-5:4,-3:-1\\)" "ptype vla1 negative bounds" diff --git a/gdb/testsuite/gdb.fortran/vla-sizeof.exp b/gdb/testsuite/gdb.fortran/vla-sizeof.exp --- a/gdb/testsuite/gdb.fortran/vla-sizeof.exp +++ b/gdb/testsuite/gdb.fortran/vla-sizeof.exp @@ -44,3 +44,7 @@ gdb_test "print sizeof(pvla)" " = 0" "print sizeof non-associated pvla" gdb_breakpoint [gdb_get_line_number "pvla-associated"] gdb_continue_to_breakpoint "pvla-associated" gdb_test "print sizeof(pvla)" " = 4000" "print sizeof associated pvla" + +gdb_breakpoint [gdb_get_line_number "vla1-neg-bounds"] +gdb_continue_to_breakpoint "vla1-neg-bounds" +gdb_test "print sizeof(vla1)" " = 480" "print sizeof vla1 negative bounds" diff --git a/gdb/testsuite/gdb.fortran/vla-stride.exp b/gdb/testsuite/gdb.fortran/vla-stride.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.fortran/vla-stride.exp @@ -0,0 +1,44 @@ +# Copyright 2016 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +standard_testfile ".f90" + +if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \ + {debug f90 quiet}] } { + return -1 +} + +if ![runto MAIN__] then { + perror "couldn't run to breakpoint MAIN__" + continue +} + +gdb_breakpoint [gdb_get_line_number "re-reverse-elements"] +gdb_continue_to_breakpoint "re-reverse-elements" +gdb_test "print pvla" " = \\\(1, 2, 3, 4, 5, 6, 7, 8, 9, 10\\\)" \ + "print re-reverse-elements" +gdb_test "print pvla(1)" " = 1" "print first re-reverse-element" +gdb_test "print pvla(10)" " = 10" "print last re-reverse-element" + +gdb_breakpoint [gdb_get_line_number "odd-elements"] +gdb_continue_to_breakpoint "odd-elements" +gdb_test "print pvla" " = \\\(1, 3, 5, 7, 9\\\)" "print odd-elements" +gdb_test "print pvla(1)" " = 1" "print first odd-element" +gdb_test "print pvla(5)" " = 9" "print last odd-element" + +gdb_breakpoint [gdb_get_line_number "single-element"] +gdb_continue_to_breakpoint "single-element" +gdb_test "print pvla" " = \\\(5\\\)" "print single-element" +gdb_test "print pvla(1)" " = 5" "print one single-element" diff --git a/gdb/testsuite/gdb.fortran/vla-stride.f90 b/gdb/testsuite/gdb.fortran/vla-stride.f90 new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.fortran/vla-stride.f90 @@ -0,0 +1,29 @@ +! Copyright 2016 Free Software Foundation, Inc. +! +! This program is free software; you can redistribute it and/or modify +! it under the terms of the GNU General Public License as published by +! the Free Software Foundation; either version 3 of the License, or +! (at your option) any later version. +! +! This program is distributed in the hope that it will be useful, +! but WITHOUT ANY WARRANTY; without even the implied warranty of +! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +! GNU General Public License for more details. +! +! You should have received a copy of the GNU General Public License +! along with this program. If not, see <http://www.gnu.org/licenses/>. + +program vla_stride + integer, target, allocatable :: vla (:) + integer, pointer :: pvla (:) + + allocate(vla(10)) + vla = (/ (I, I = 1,10) /) + + pvla => vla(10:1:-1) + pvla => pvla(10:1:-1) + pvla => vla(1:10:2) ! re-reverse-elements + pvla => vla(5:4:-2) ! odd-elements + + pvla => null() ! single-element +end program vla_stride diff --git a/gdb/testsuite/gdb.fortran/vla.f90 b/gdb/testsuite/gdb.fortran/vla.f90 --- a/gdb/testsuite/gdb.fortran/vla.f90 +++ b/gdb/testsuite/gdb.fortran/vla.f90 @@ -54,4 +54,14 @@ program vla allocate (vla3 (2,2)) ! vla2-deallocated vla3(:,:) = 13 + + allocate (vla1 (-2:1, -5:4, -3:-1)) + l = allocated(vla1) + + vla1(:, :, :) = 1 + vla1(-2, -3, -1) = -231 + + deallocate (vla1) ! vla1-neg-bounds + l = allocated(vla1) + end program vla diff --git a/gdb/valarith.c b/gdb/valarith.c --- a/gdb/valarith.c +++ b/gdb/valarith.c @@ -187,10 +187,16 @@ value_subscripted_rvalue (struct value *array, LONGEST index, int lowerbound) struct type *array_type = check_typedef (value_type (array)); struct type *elt_type = check_typedef (TYPE_TARGET_TYPE (array_type)); ULONGEST elt_size = type_length_units (elt_type); - ULONGEST elt_offs = elt_size * (index - lowerbound); + LONGEST elt_offs = index - lowerbound; + LONGEST elt_stride = TYPE_BYTE_STRIDE (TYPE_INDEX_TYPE (array_type)); + + if (elt_stride != 0) + elt_offs *= elt_stride; + else + elt_offs *= elt_size; if (index < lowerbound || (!TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (array_type) - && elt_offs >= type_length_units (array_type))) + && abs (elt_offs) >= type_length_units (array_type))) { if (type_not_associated (array_type)) error (_("no such vector element (vector not associated)")); diff --git a/gdb/valops.c b/gdb/valops.c --- a/gdb/valops.c +++ b/gdb/valops.c @@ -3808,56 +3808,195 @@ value_of_this_silent (const struct language_defn *lang) struct value * value_slice (struct value *array, int lowbound, int length) +{ + /* Pass unaltered arguments to VALUE_SLICE_1, plus a default stride + value of '1', which returns every element between LOWBOUND and + (LOWBOUND + LENGTH). We also provide a default CALL_COUNT of '1' + as we are only considering the highest dimension, or we are + working on a one dimensional array. So we call VALUE_SLICE_1 + exactly once. */ + return value_slice_1 (array, lowbound, length, 1, 1); +} + +/* VALUE_SLICE_1 is called for each array dimension to calculate the number + of elements as defined by the subscript expression. + CALL_COUNT is used to determine if we are calling the function once, e.g. + we are working on the current dimension of ARRAY, or if we are calling + the function repeatedly. In the later case we need to take elements + from the TARGET_TYPE of ARRAY. + With a CALL_COUNT greater than 1 we calculate the offsets for every element + that should be in the result array. Then we fetch the contents and then + copy them into the result array. The result array will have one dimension + less than the input array, so later on we need to recreate the indices and + ranges in the calling function. */ + +struct value * +value_slice_1 (struct value *array, int lowbound, int length, + int stride_length, int call_count) { struct type *slice_range_type, *slice_type, *range_type; - LONGEST lowerbound, upperbound; - struct value *slice; - struct type *array_type; + struct type *array_type = check_typedef (value_type (array)); + struct type *elt_type = check_typedef (TYPE_TARGET_TYPE (array_type)); + unsigned int elt_size, elt_offs; + LONGEST ary_high_bound, ary_low_bound; + struct value *v; + int slice_range_size, i = 0, row_count = 1, elem_count = 1; - array_type = check_typedef (value_type (array)); + /* Check for legacy code if we are actually dealing with an array or + string. */ if (TYPE_CODE (array_type) != TYPE_CODE_ARRAY && TYPE_CODE (array_type) != TYPE_CODE_STRING) error (_("cannot take slice of non-array")); - range_type = TYPE_INDEX_TYPE (array_type); - if (get_discrete_bounds (range_type, &lowerbound, &upperbound) < 0) - error (_("slice from bad array or bitstring")); + ary_low_bound = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (array_type)); + ary_high_bound = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (array_type)); + + /* When we are working on a multi-dimensional array, we need to get the + attributes of the underlying type. */ + if (call_count > 1) + { + ary_low_bound = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (elt_type)); + ary_high_bound = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (elt_type)); + elt_type = check_typedef (TYPE_TARGET_TYPE (elt_type)); + row_count = TYPE_LENGTH (array_type) + / TYPE_LENGTH (TYPE_TARGET_TYPE (array_type)); + } + + /* With a stride of '1', the number of elements per result row is equal to + the LENGTH of the subarray. With non-default stride values, we skip + elements, but have to add the start element to the total number of + elements per row. */ + if (stride_length == 1) + elem_count = length; + else + elem_count = ((length - 1) / stride_length) + 1; + + elt_size = TYPE_LENGTH (elt_type); + elt_offs = lowbound - ary_low_bound; - if (lowbound < lowerbound || length < 0 - || lowbound + length - 1 > upperbound) - error (_("slice out of range")); + elt_offs *= elt_size; + + /* Check for valid user input. In case of Fortran this was already done + in the calling function. */ + if (call_count == 1 + && (!TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED (array_type) + && elt_offs >= TYPE_LENGTH (array_type))) + error (_("no such vector element")); + + /* CALL_COUNT is 1 when we are dealing either with the highest dimension + of the array, or a one dimensional array. Set RANGE_TYPE accordingly. + In both cases we calculate how many rows/elements will be in the output + array by setting slice_range_size. */ + if (call_count == 1) + { + range_type = TYPE_INDEX_TYPE (array_type); + slice_range_size = ary_low_bound + elem_count - 1; + + /* Check if the array bounds are valid. */ + if (get_discrete_bounds (range_type, &ary_low_bound, &ary_high_bound) < 0) + error (_("slice from bad array or bitstring")); + } + /* When CALL_COUNT is greater than 1, we are dealing with an array of arrays. + So we need to get the type below the current one and set the RANGE_TYPE + accordingly. */ + else + { + range_type = TYPE_INDEX_TYPE (TYPE_TARGET_TYPE (array_type)); + slice_range_size = ary_low_bound + (row_count * elem_count) - 1; + ary_low_bound = TYPE_LOW_BOUND (range_type); + } /* FIXME-type-allocation: need a way to free this type when we are - done with it. */ - slice_range_type = create_static_range_type ((struct type *) NULL, - TYPE_TARGET_TYPE (range_type), - lowbound, - lowbound + length - 1); + done with it. */ + slice_range_type = create_static_range_type (NULL, TYPE_TARGET_TYPE (range_type), + ary_low_bound, slice_range_size); { - struct type *element_type = TYPE_TARGET_TYPE (array_type); - LONGEST offset - = (lowbound - lowerbound) * TYPE_LENGTH (check_typedef (element_type)); + struct type *element_type; + + /* When both CALL_COUNT and STRIDE_LENGTH equal 1, we can use the legacy + code for subarrays. */ + if (call_count == 1 && stride_length == 1) + { + element_type = TYPE_TARGET_TYPE (array_type); + + slice_type = create_array_type (NULL, element_type, slice_range_type); - slice_type = create_array_type ((struct type *) NULL, - element_type, - slice_range_type); - TYPE_CODE (slice_type) = TYPE_CODE (array_type); + TYPE_CODE (slice_type) = TYPE_CODE (array_type); - if (VALUE_LVAL (array) == lval_memory && value_lazy (array)) - slice = allocate_value_lazy (slice_type); + if (VALUE_LVAL (array) == lval_memory && value_lazy (array)) + v = allocate_value_lazy (slice_type); + else + { + v = allocate_value (slice_type); + value_contents_copy (v, + value_embedded_offset (v), + array, + value_embedded_offset (array) + elt_offs, + elt_size * longest_to_int (length)); + } + + } + /* With a CALL_COUNT or STRIDE_LENGTH are greater than 1 we are working + on a range of ranges. So we copy the relevant elements into the + new array we return. */ else { - slice = allocate_value (slice_type); - value_contents_copy (slice, 0, array, offset, - type_length_units (slice_type)); + int j, offs_store = elt_offs; + LONGEST dst_offset = 0; + LONGEST src_row_length = TYPE_LENGTH (TYPE_TARGET_TYPE (array_type)); + + if (call_count == 1) + { + /* When CALL_COUNT is equal to 1 we are working on the current range + and use these elements directly. */ + element_type = TYPE_TARGET_TYPE (array_type); + } + else + { + /* Working on an array of arrays, the type of the elements is the type + of the subarrays' type. */ + element_type = TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (array_type)); + } + + slice_type = create_array_type (NULL, element_type, slice_range_type); + + /* If we have a one dimensional array, we copy its TYPE_CODE. For a + multi dimensional array we copy the embedded type's TYPE_CODE. */ + if (call_count == 1) + TYPE_CODE (slice_type) = TYPE_CODE (array_type); + else + TYPE_CODE (slice_type) = TYPE_CODE (TYPE_TARGET_TYPE (array_type)); + + v = allocate_value (slice_type); + + /* Iterate through the rows of the outer array and set the new offset + for each row. */ + for (i = 0; i < row_count; i++) + { + elt_offs = offs_store + i * src_row_length; + + /* Iterate through the elements in each row to copy only those. */ + for (j = 1; j <= elem_count; j++) + { + /* Fetches the contents of ARRAY and copies them into V. */ + value_contents_copy (v, dst_offset, array, elt_offs, elt_size); + elt_offs += elt_size * stride_length; + dst_offset += elt_size; + } + } } - set_value_component_location (slice, array); - set_value_offset (slice, value_offset (array) + offset); + set_value_component_location (v, array); + if (VALUE_LVAL (v) == lval_register) + { + VALUE_REGNUM (v) = VALUE_REGNUM (array); + VALUE_NEXT_FRAME_ID (v) = VALUE_NEXT_FRAME_ID (array); + } + set_value_offset (v, value_offset (array) + elt_offs); } - return slice; + return v; } /* Create a value for a FORTRAN complex number. Currently most of the diff --git a/gdb/value.h b/gdb/value.h --- a/gdb/value.h +++ b/gdb/value.h @@ -1139,6 +1139,8 @@ extern struct value *varying_to_slice (struct value *); extern struct value *value_slice (struct value *, int, int); +extern struct value *value_slice_1 (struct value *, int, int, int, int); + extern struct value *value_literal_complex (struct value *, struct value *, struct type *);
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