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-rw-r--r--gdb/record-btrace.c54
1 files changed, 24 insertions, 30 deletions
diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c
index 82e06c6..4e6b86f 100644
--- a/gdb/record-btrace.c
+++ b/gdb/record-btrace.c
@@ -620,26 +620,24 @@ btrace_find_line_range (CORE_ADDR pc)
static void
btrace_print_lines (struct btrace_line_range lines, struct ui_out *uiout,
- struct cleanup **ui_item_chain, gdb_disassembly_flags flags)
+ gdb::optional<ui_out_emit_tuple> &src_and_asm_tuple,
+ gdb::optional<ui_out_emit_list> &asm_list,
+ gdb_disassembly_flags flags)
{
print_source_lines_flags psl_flags;
- int line;
- psl_flags = 0;
if (flags & DISASSEMBLY_FILENAME)
psl_flags |= PRINT_SOURCE_LINES_FILENAME;
- for (line = lines.begin; line < lines.end; ++line)
+ for (int line = lines.begin; line < lines.end; ++line)
{
- if (*ui_item_chain != NULL)
- do_cleanups (*ui_item_chain);
+ asm_list.reset ();
- *ui_item_chain
- = make_cleanup_ui_out_tuple_begin_end (uiout, "src_and_asm_line");
+ src_and_asm_tuple.emplace (uiout, "src_and_asm_line");
print_source_lines (lines.symtab, line, line + 1, psl_flags);
- make_cleanup_ui_out_list_begin_end (uiout, "line_asm_insn");
+ asm_list.emplace (uiout, "line_asm_insn");
}
}
@@ -652,28 +650,23 @@ btrace_insn_history (struct ui_out *uiout,
const struct btrace_insn_iterator *end,
gdb_disassembly_flags flags)
{
- struct cleanup *cleanups, *ui_item_chain;
- struct gdbarch *gdbarch;
- struct btrace_insn_iterator it;
- struct btrace_line_range last_lines;
-
DEBUG ("itrace (0x%x): [%u; %u)", (unsigned) flags,
btrace_insn_number (begin), btrace_insn_number (end));
flags |= DISASSEMBLY_SPECULATIVE;
- gdbarch = target_gdbarch ();
- last_lines = btrace_mk_line_range (NULL, 0, 0);
+ struct gdbarch *gdbarch = target_gdbarch ();
+ btrace_line_range last_lines = btrace_mk_line_range (NULL, 0, 0);
- cleanups = make_cleanup_ui_out_list_begin_end (uiout, "asm_insns");
+ ui_out_emit_list list_emitter (uiout, "asm_insns");
- /* UI_ITEM_CHAIN is a cleanup chain for the last source line and the
- instructions corresponding to that line. */
- ui_item_chain = NULL;
+ gdb::optional<ui_out_emit_tuple> src_and_asm_tuple;
+ gdb::optional<ui_out_emit_list> asm_list;
gdb_pretty_print_disassembler disasm (gdbarch);
- for (it = *begin; btrace_insn_cmp (&it, end) != 0; btrace_insn_next (&it, 1))
+ for (btrace_insn_iterator it = *begin; btrace_insn_cmp (&it, end) != 0;
+ btrace_insn_next (&it, 1))
{
const struct btrace_insn *insn;
@@ -708,19 +701,22 @@ btrace_insn_history (struct ui_out *uiout,
if (!btrace_line_range_is_empty (lines)
&& !btrace_line_range_contains_range (last_lines, lines))
{
- btrace_print_lines (lines, uiout, &ui_item_chain, flags);
+ btrace_print_lines (lines, uiout, src_and_asm_tuple, asm_list,
+ flags);
last_lines = lines;
}
- else if (ui_item_chain == NULL)
+ else if (!src_and_asm_tuple.has_value ())
{
- ui_item_chain
- = make_cleanup_ui_out_tuple_begin_end (uiout,
- "src_and_asm_line");
+ gdb_assert (!asm_list.has_value ());
+
+ src_and_asm_tuple.emplace (uiout, "src_and_asm_line");
+
/* No source information. */
- make_cleanup_ui_out_list_begin_end (uiout, "line_asm_insn");
+ asm_list.emplace (uiout, "line_asm_insn");
}
- gdb_assert (ui_item_chain != NULL);
+ gdb_assert (src_and_asm_tuple.has_value ());
+ gdb_assert (asm_list.has_value ());
}
memset (&dinsn, 0, sizeof (dinsn));
@@ -733,8 +729,6 @@ btrace_insn_history (struct ui_out *uiout,
disasm.pretty_print_insn (uiout, &dinsn, flags);
}
}
-
- do_cleanups (cleanups);
}
/* The to_insn_history method of target record-btrace. */