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* stack.c (print_frame_args): New variable except.  Wrap
	read_var_value and common_val_print into TRY_CATCH.

gdb/testsuite/
	* gdb.dwarf2/dw2-param-error-main.c: New file.
	* gdb.dwarf2/dw2-param-error.S: New file.
	* gdb.dwarf2/dw2-param-error.exp: New file.
This commit is contained in:
Jan Kratochvil 2011-09-08 15:24:25 +00:00
parent a391a2f6df
commit b99b5f66e1
6 changed files with 227 additions and 26 deletions
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64
gdb/stack.c
View file

@ -326,37 +326,49 @@ print_frame_args (struct symbol *func, struct frame_info *frame,
if (print_args)
{
/* Avoid value_print because it will deref ref parameters.
We just want to print their addresses. Print ??? for
args whose address we do not know. We pass 2 as
"recurse" to val_print because our standard indentation
here is 4 spaces, and val_print indents 2 for each
recurse. */
val = read_var_value (sym, frame);
volatile struct gdb_exception except;
annotate_arg_value (val == NULL ? NULL : value_type (val));
TRY_CATCH (except, RETURN_MASK_ERROR)
{
/* Avoid value_print because it will deref ref parameters.
We just want to print their addresses. Print ??? for
args whose address we do not know. We pass 2 as
"recurse" to val_print because our standard indentation
here is 4 spaces, and val_print indents 2 for each
recurse. */
val = read_var_value (sym, frame);
if (val)
{
const struct language_defn *language;
struct value_print_options opts;
annotate_arg_value (val == NULL ? NULL : value_type (val));
/* Use the appropriate language to display our symbol,
unless the user forced the language to a specific
language. */
if (language_mode == language_mode_auto)
language = language_def (SYMBOL_LANGUAGE (sym));
else
language = current_language;
if (val)
{
const struct language_defn *language;
struct value_print_options opts;
get_raw_print_options (&opts);
opts.deref_ref = 0;
opts.summary = summary;
common_val_print (val, stb->stream, 2, &opts, language);
/* Use the appropriate language to display our symbol,
unless the user forced the language to a specific
language. */
if (language_mode == language_mode_auto)
language = language_def (SYMBOL_LANGUAGE (sym));
else
language = current_language;
get_raw_print_options (&opts);
opts.deref_ref = 0;
opts.summary = summary;
common_val_print (val, stb->stream, 2, &opts, language);
ui_out_field_stream (uiout, "value", stb);
}
else
ui_out_text (uiout, "???");
}
if (except.reason < 0)
{
fprintf_filtered (stb->stream,
_("<error reading variable: %s>"),
except.message);
ui_out_field_stream (uiout, "value", stb);
}
else
ui_out_text (uiout, "???");
}
}
else
ui_out_text (uiout, "...");