From: Zoran Zaric <Zoran.Zaric@amd.com>
To: gdb-patches@sourceware.org
Cc: Zoran Zaric <zoran.zaric@amd.com>
Subject: [PATCH 10/30] Remove empty frame and full evaluators
Date: Mon, 7 Dec 2020 19:00:11 +0000 [thread overview]
Message-ID: <20201207190031.13341-11-Zoran.Zaric@amd.com> (raw)
In-Reply-To: <20201207190031.13341-1-Zoran.Zaric@amd.com>
From: Zoran Zaric <zoran.zaric@amd.com>
There are no virtual methods that require different specialization in
dwarf_expr_context class. This means that derived classes
dwarf_expr_executor and dwarf_evaluate_loc_desc are not needed any
more.
As a result of this, the evaluate_for_locexpr_baton class base class
is now the dwarf_expr_context class.
There might be a need for a better class hierarchy when we know more
about the direction of the future DWARF versions and gdb extensions,
but that is out of the scope of this patch series.
gdb/ChangeLog:
* dwarf2/frame.c (class dwarf_expr_executor): Remove class.
(execute_stack_op): Instantiate dwarf_expr_context instead of
dwarf_evaluate_loc_desc class.
* dwarf2/loc.c (class dwarf_evaluate_loc_desc): Remove class.
(dwarf2_evaluate_loc_desc_full): Instantiate dwarf_expr_context
instead of dwarf_evaluate_loc_desc class.
(struct evaluate_for_locexpr_baton): Derive from
dwarf_expr_context.
---
gdb/dwarf2/frame.c | 18 +-----------------
gdb/dwarf2/loc.c | 16 ++++------------
2 files changed, 5 insertions(+), 29 deletions(-)
diff --git a/gdb/dwarf2/frame.c b/gdb/dwarf2/frame.c
index 3eb2aa9991..9081ec0c92 100644
--- a/gdb/dwarf2/frame.c
+++ b/gdb/dwarf2/frame.c
@@ -223,22 +223,6 @@ register %s (#%d) at %s"),
}
}
-class dwarf_expr_executor : public dwarf_expr_context
-{
-public:
-
- dwarf_expr_executor (dwarf2_per_objfile *per_objfile)
- : dwarf_expr_context (per_objfile)
- {}
-
- private:
-
- void invalid (const char *op) ATTRIBUTE_NORETURN
- {
- error (_("%s is invalid in this context"), op);
- }
-};
-
static CORE_ADDR
execute_stack_op (const gdb_byte *exp, ULONGEST len, int addr_size,
struct frame_info *this_frame, CORE_ADDR initial,
@@ -246,7 +230,7 @@ execute_stack_op (const gdb_byte *exp, ULONGEST len, int addr_size,
{
CORE_ADDR result;
- dwarf_expr_executor ctx (per_objfile);
+ dwarf_expr_context ctx (per_objfile);
scoped_value_mark free_values;
ctx.frame = this_frame;
diff --git a/gdb/dwarf2/loc.c b/gdb/dwarf2/loc.c
index 2750907c9e..2e353f1b31 100644
--- a/gdb/dwarf2/loc.c
+++ b/gdb/dwarf2/loc.c
@@ -618,14 +618,6 @@ sect_variable_value (sect_offset sect_off,
type, true);
}
-class dwarf_evaluate_loc_desc : public dwarf_expr_context
-{
-public:
- dwarf_evaluate_loc_desc (dwarf2_per_objfile *per_objfile)
- : dwarf_expr_context (per_objfile)
- {}
-};
-
/* See dwarf2loc.h. */
unsigned int entry_values_debug = 0;
@@ -2029,7 +2021,7 @@ dwarf2_evaluate_loc_desc_full (struct type *type, struct frame_info *frame,
if (size == 0)
return allocate_optimized_out_value (subobj_type);
- dwarf_evaluate_loc_desc ctx (per_objfile);
+ dwarf_expr_context ctx (per_objfile);
ctx.frame = frame;
ctx.per_cu = per_cu;
ctx.obj_address = 0;
@@ -2229,16 +2221,16 @@ dwarf2_evaluate_loc_desc (struct type *type, struct frame_info *frame,
per_objfile, NULL, 0);
}
-/* A specialization of dwarf_evaluate_loc_desc that is used by
+/* A specialization of dwarf_expr_context that is used by
dwarf2_locexpr_baton_eval. This subclass exists to handle the case
where a caller of dwarf2_locexpr_baton_eval passes in some data,
but with the address being 0. In this situation, we arrange for
memory reads to come from the passed-in buffer. */
-struct evaluate_for_locexpr_baton : public dwarf_evaluate_loc_desc
+struct evaluate_for_locexpr_baton : public dwarf_expr_context
{
evaluate_for_locexpr_baton (dwarf2_per_objfile *per_objfile)
- : dwarf_evaluate_loc_desc (per_objfile)
+ : dwarf_expr_context (per_objfile)
{}
/* The data that was passed in. */
--
2.17.1
next prev parent reply other threads:[~2020-12-07 19:01 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 19:00 [PATCH 00/30] Allow location description on the DWARF stack Zoran Zaric
2020-12-07 19:00 ` [PATCH 01/30] Replace the symbol needs evaluator with a parser Zoran Zaric
2021-01-21 21:16 ` Tom Tromey
2021-01-21 21:48 ` Zoran Zaric
2021-02-23 14:15 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 02/30] Move frame context info to dwarf_expr_context Zoran Zaric
2021-01-21 21:23 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 03/30] Remove get_frame_cfa from dwarf_expr_context Zoran Zaric
2021-01-21 21:23 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 04/30] Move compilation unit info to dwarf_expr_context Zoran Zaric
2021-01-21 21:28 ` Tom Tromey
2021-02-23 14:21 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 05/30] Move dwarf_call " Zoran Zaric
2021-01-21 21:30 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 06/30] Move get_object_address " Zoran Zaric
2021-01-21 21:31 ` Tom Tromey
2021-02-23 14:33 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 07/30] Move read_mem " Zoran Zaric
2021-01-21 21:34 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 08/30] Move push_dwarf_reg_entry_value to expr.c Zoran Zaric
2021-01-21 21:35 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 09/30] Inline get_reg_value method of dwarf_expr_context Zoran Zaric
2021-01-21 21:36 ` Tom Tromey
2020-12-07 19:00 ` Zoran Zaric [this message]
2021-01-21 21:37 ` [PATCH 10/30] Remove empty frame and full evaluators Tom Tromey
2020-12-07 19:00 ` [PATCH 11/30] Merge evaluate_for_locexpr_baton evaluator Zoran Zaric
2021-02-08 21:21 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 12/30] Move piece_closure and its support to expr.c Zoran Zaric
2021-02-08 21:32 ` Tom Tromey
2021-02-09 14:53 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 13/30] Make DWARF evaluator return a single struct value Zoran Zaric
2021-02-08 21:35 ` Tom Tromey
2021-02-09 14:55 ` Zoran Zaric
2021-02-09 17:13 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 14/30] Simplify dwarf_expr_context class interface Zoran Zaric
2021-02-08 21:38 ` Tom Tromey
2021-02-09 14:56 ` Zoran Zaric
2021-02-23 14:38 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 15/30] Add as_lval argument to expression evaluator Zoran Zaric
2021-02-08 21:41 ` Tom Tromey
2021-02-09 15:25 ` Zoran Zaric
2021-02-09 20:33 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 16/30] Add new register access interface to expr.c Zoran Zaric
2021-02-09 19:37 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 17/30] Add new memory " Zoran Zaric
2021-02-09 19:45 ` Tom Tromey
2021-02-23 15:35 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 18/30] Add new classes that model DWARF stack element Zoran Zaric
2021-02-08 21:54 ` Tom Tromey
2021-02-09 17:34 ` Zoran Zaric
2021-02-09 20:36 ` Tom Tromey
2021-02-09 21:07 ` Tom Tromey
2021-02-09 21:26 ` Zoran Zaric
2021-02-23 14:57 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 19/30] Add new location description access interface Zoran Zaric
2021-02-08 21:46 ` Tom Tromey
2021-02-09 16:00 ` Zoran Zaric
2021-02-09 17:30 ` Zoran Zaric
2021-02-23 14:49 ` Zoran Zaric
2020-12-07 19:00 ` [PATCH 20/30] Add dwarf_entry factory class to expr.c Zoran Zaric
2021-02-09 19:54 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 21/30] Change DWARF stack to use new dwarf_entry classes Zoran Zaric
2021-02-09 20:11 ` Tom Tromey
2020-12-07 19:00 ` [PATCH 22/30] Remove dwarf_expr_context from expr.h interface Zoran Zaric
2020-12-07 19:00 ` [PATCH 23/30] Rename and update the piece_closure structure Zoran Zaric
2020-12-07 19:00 ` [PATCH 24/30] Move read_addr_from_reg function to frame.c Zoran Zaric
2020-12-07 19:00 ` [PATCH 25/30] Add frame info check to DW_OP_reg operations Zoran Zaric
2020-12-07 19:00 ` [PATCH 26/30] Remove DWARF expression composition check Zoran Zaric
2020-12-07 19:00 ` [PATCH 27/30] Add support for any location description in CFI Zoran Zaric
2020-12-07 19:00 ` [PATCH 28/30] Add DWARF operations for byte and bit offset Zoran Zaric
2020-12-07 19:00 ` [PATCH 29/30] Add support for DW_OP_LLVM_undefined operation Zoran Zaric
2020-12-07 19:00 ` [PATCH 30/30] Add support for nested composite locations Zoran Zaric
2020-12-08 14:48 ` [PATCH 00/30] Allow location description on the DWARF stack Metzger, Markus T
2020-12-08 16:17 ` Simon Marchi
2020-12-09 0:30 ` Tye, Tony
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