diff options
Diffstat (limited to 'gdb/f-lang.c')
| -rw-r--r-- | gdb/f-lang.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gdb/f-lang.c b/gdb/f-lang.c index c329d60..24f0e61 100644 --- a/gdb/f-lang.c +++ b/gdb/f-lang.c @@ -34,7 +34,9 @@ #include "cp-support.h" #include "charset.h" #include "c-lang.h" +#include "target-float.h" +#include <math.h> /* Local functions */ @@ -239,6 +241,20 @@ f_collect_symbol_completion_matches (completion_tracker &tracker, text, word, ":", code); } +/* Create and return a value object of TYPE containing the value D. The + TYPE must be of TYPE_CODE_FLT, and must be large enough to hold D once + it is converted to target format. */ + +static struct value * +value_from_host_double (struct type *type, double d) +{ + struct value *value = allocate_value (type); + gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLT); + target_float_from_host_double (value_contents_raw (value), + value_type (value), d); + return value; +} + /* Special expression evaluation cases for Fortran. */ struct value * evaluate_subexp_f (struct type *expect_type, struct expression *exp, @@ -259,6 +275,29 @@ evaluate_subexp_f (struct type *expect_type, struct expression *exp, *pos -= 1; return evaluate_subexp_standard (expect_type, exp, pos, noside); + case UNOP_ABS: + arg1 = evaluate_subexp (NULL_TYPE, exp, pos, noside); + if (noside == EVAL_SKIP) + return eval_skip_value (exp); + type = value_type (arg1); + switch (TYPE_CODE (type)) + { + case TYPE_CODE_FLT: + { + double d + = fabs (target_float_to_host_double (value_contents (arg1), + value_type (arg1))); + return value_from_host_double (type, d); + } + case TYPE_CODE_INT: + { + LONGEST l = value_as_long (arg1); + l = llabs (l); + return value_from_longest (type, l); + } + } + error (_("ABS of type %s not supported"), TYPE_SAFE_NAME (type)); + case UNOP_KIND: arg1 = evaluate_subexp (NULL, exp, pos, EVAL_AVOID_SIDE_EFFECTS); type = value_type (arg1); |