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| author | Tom Tromey <tom@tromey.com> | 2021-03-08 07:27:57 -0700 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2021-03-08 07:28:15 -0700 |
| commit | d336c29e3f1b9adc314fcf44af38fb1d2b65b5e6 (patch) | |
| tree | e76b05efc4d4dd1e609922133b17f499f9c8bed6 | |
| parent | d5ab122c48fec1eb617598c02c6efdf9ba1ee23f (diff) | |
| download | gdb-d336c29e3f1b9adc314fcf44af38fb1d2b65b5e6.zip gdb-d336c29e3f1b9adc314fcf44af38fb1d2b65b5e6.tar.gz gdb-d336c29e3f1b9adc314fcf44af38fb1d2b65b5e6.tar.bz2 | |
Introduce long_const_operation
This adds class long_const_operation, which holds a scalar constant.
gdb/ChangeLog
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class long_const_operation): New.
* ax-gdb.c (long_const_operation::do_generate_ax): New method.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/ax-gdb.c | 10 | ||||
| -rw-r--r-- | gdb/expop.h | 30 |
3 files changed, 45 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index bfc191f..1b08ff5 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 2021-03-08 Tom Tromey <tom@tromey.com> + * expop.h (class long_const_operation): New. + * ax-gdb.c (long_const_operation::do_generate_ax): New method. + +2021-03-08 Tom Tromey <tom@tromey.com> + * expop.h (class scope_operation): New. * eval.c (eval_op_scope): No longer static. (scope_operation::evaluate_for_address): New method. diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index 6d568a7..7640b1b 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -2314,6 +2314,16 @@ scope_operation::do_generate_ax (struct expression *exp, error (_("There is no field named %s"), name.c_str ()); } +void +long_const_operation::do_generate_ax (struct expression *exp, + struct agent_expr *ax, + struct axs_value *value, + struct type *cast_type) +{ + gen_int_literal (ax, value, std::get<1> (m_storage), + std::get<0> (m_storage)); +} + } /* This handles the middle-to-right-side of code generation for binary diff --git a/gdb/expop.h b/gdb/expop.h index cd1a161..ed883be 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -451,6 +451,36 @@ protected: override; }; +class long_const_operation + : public tuple_holding_operation<struct type *, LONGEST> +{ +public: + + using tuple_holding_operation::tuple_holding_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + return value_from_longest (std::get<0> (m_storage), + std::get<1> (m_storage)); + } + + enum exp_opcode opcode () const override + { return OP_LONG; } + + bool constant_p () const override + { return true; } + +protected: + + void do_generate_ax (struct expression *exp, + struct agent_expr *ax, + struct axs_value *value, + struct type *cast_type) + override; +}; + } /* namespace expr */ #endif /* EXPOP_H */ |