gdb/fortran: Use TYPE_CODE_CHAR for character types

Switch to using TYPE_CODE_CHAR for character types.  This appears to
have little impact on the test results as gFortran uses the
DW_TAG_string_type to represent all character variables (as far as I
can see).  The only place this has an impact is when the user casts a
variable to a character type, in which case GDB does now use the CHAR
type, and prints the variable as both a value and a character, for
example, before:

    (gdb) p ((character) 97)
    $1 = 97

and after:

    (gdb) p ((character) 97)
    $1 = 97 'a'

gdb/ChangeLog:

	* f-lang.c (build_fortran_types): Use TYPE_CODE_CHAR for character
	types.

gdb/testsuite/ChangeLog:

	* gdb.fortran/type-kinds.exp: Update expected results.
This commit is contained in:
Andrew Burgess 2019-01-18 11:24:24 +00:00
parent 067630bdb5
commit 4a270568d9
4 changed files with 11 additions and 2 deletions

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@ -1,3 +1,8 @@
2019-03-06 Andrew Burgess <andrew.burgess@embecosm.com>
* f-lang.c (build_fortran_types): Use TYPE_CODE_CHAR for character
types.
2019-03-06 Andrew Burgess <andrew.burgess@embecosm.com>
* f-exp.y (convert_to_kind_type): Handle integer (kind=8).

View File

@ -366,7 +366,7 @@ build_fortran_types (struct gdbarch *gdbarch)
= arch_type (gdbarch, TYPE_CODE_VOID, TARGET_CHAR_BIT, "VOID");
builtin_f_type->builtin_character
= arch_integer_type (gdbarch, TARGET_CHAR_BIT, 0, "character");
= arch_type (gdbarch, TYPE_CODE_CHAR, TARGET_CHAR_BIT, "character");
builtin_f_type->builtin_logical_s1
= arch_boolean_type (gdbarch, TARGET_CHAR_BIT, 1, "logical*1");

View File

@ -1,3 +1,7 @@
2019-03-06 Andrew Burgess <andrew.burgess@embecosm.com>
* gdb.fortran/type-kinds.exp: Update expected results.
2019-03-06 Andrew Burgess <andrew.burgess@embecosm.com>
* gdb.fortran/type-kinds.exp: Test new integer type kind.

View File

@ -38,7 +38,7 @@ proc test_cast_1_to_type_kind {base_type type_kind cast_result size_result} {
# Test parsing of `(kind=N)` type modifiers.
proc test_basic_parsing_of_type_kinds {} {
test_cast_1_to_type_kind "character" "1" "1" "1"
test_cast_1_to_type_kind "character" "1" "1 '\\\\001'" "1"
test_cast_1_to_type_kind "complex" "4" "\\(1,0\\)" "8"
test_cast_1_to_type_kind "complex" "8" "\\(1,0\\)" "16"