+2010-04-01 Pedro Alves <pedro@codesourcery.com>
+
+ * tracepoint.c: Include stack.h.
+ (struct add_local_symbols_data): New.
+ (do_collect_symbol): New.
+ (add_local_symbols): Rewrite using iterate_over_block_arg_vars and
+ iterate_over_block_local_vars.
+ * stack.c (print_block_frame_locals): Rewrite as ...
+ (iterate_over_block_locals): ... this. Take a callback function
+ pointer and generic data pointer, and call that instead of
+ print_variable_and_value.
+ (struct print_variable_and_value_data): New.
+ (do_print_variable_and_value): New.
+ (iterate_over_block_local_vars): New, abstracted out from
+ print_frame_local_vars.
+ (print_frame_local_vars): Rewrite using
+ iterate_over_block_local_vars.
+ (iterate_over_block_arg_vars): New, abstracted out from
+ print_frame_arg_vars.
+ (print_frame_arg_vars): Rewrite using iterate_over_block_arg_vars.
+ * stack.h (iterate_over_block_arg_local_vars_cb): New typedef.
+ (iterate_over_block_arg_vars, iterate_over_block_local_vars): Declare.
+
2010-03-31 Richard Earnshaw <rearnsha@arm.com>
* arm-tdep.c (thumb_get_next_pc_raw): Correctly detect TBH
}
\f
-/* Print the local variables of a block B active in FRAME on STREAM.
- Return 1 if any variables were printed; 0 otherwise. */
+/* Iterate over the local variables of a block B, calling CB with
+ CB_DATA. */
-static int
-print_block_frame_locals (struct block *b, struct frame_info *frame,
- int num_tabs, struct ui_file *stream)
+static void
+iterate_over_block_locals (struct block *b,
+ iterate_over_block_arg_local_vars_cb cb,
+ void *cb_data)
{
struct dict_iterator iter;
struct symbol *sym;
- int values_printed = 0;
- int j;
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
case LOC_COMPUTED:
if (SYMBOL_IS_ARGUMENT (sym))
break;
- values_printed = 1;
- print_variable_and_value (NULL, sym, frame, stream, 4 * num_tabs);
+ (*cb) (SYMBOL_PRINT_NAME (sym), sym, cb_data);
break;
default:
break;
}
}
-
- return values_printed;
}
}
#endif
-/* Print on STREAM all the local variables in frame FRAME, including
- all the blocks active in that frame at its current PC.
+/* Iterate over all the local variables in block B, including all its
+ superblocks, stopping when the top-level block is reached. */
+
+void
+iterate_over_block_local_vars (struct block *block,
+ iterate_over_block_arg_local_vars_cb cb,
+ void *cb_data)
+{
+ while (block)
+ {
+ iterate_over_block_locals (block, cb, cb_data);
+ /* After handling the function's top-level block, stop. Don't
+ continue to its superblock, the block of per-file
+ symbols. */
+ if (BLOCK_FUNCTION (block))
+ break;
+ block = BLOCK_SUPERBLOCK (block);
+ }
+}
+
+/* Data to be passed around in the calls to the locals and args
+ iterators. */
- Returns 1 if the job was done, or 0 if nothing was printed because
- we have no info on the function running in FRAME. */
+struct print_variable_and_value_data
+{
+ struct frame_info *frame;
+ int num_tabs;
+ struct ui_file *stream;
+ int values_printed;
+};
+
+/* The callback for the locals and args iterators */
+
+static void
+do_print_variable_and_value (const char *print_name,
+ struct symbol *sym,
+ void *cb_data)
+{
+ struct print_variable_and_value_data *p = cb_data;
+
+ print_variable_and_value (print_name, sym,
+ p->frame, p->stream, p->num_tabs);
+ p->values_printed = 1;
+}
static void
print_frame_local_vars (struct frame_info *frame, int num_tabs,
struct ui_file *stream)
{
- struct block *block = get_frame_block (frame, 0);
- int values_printed = 0;
+ struct print_variable_and_value_data cb_data;
+ struct block *block;
+ block = get_frame_block (frame, 0);
if (block == 0)
{
fprintf_filtered (stream, "No symbol table info available.\n");
return;
}
- while (block)
- {
- if (print_block_frame_locals (block, frame, num_tabs, stream))
- values_printed = 1;
- /* After handling the function's top-level block, stop. Don't
- continue to its superblock, the block of per-file symbols.
- Also do not continue to the containing function of an inlined
- function. */
- if (BLOCK_FUNCTION (block))
- break;
- block = BLOCK_SUPERBLOCK (block);
- }
+ cb_data.frame = frame;
+ cb_data.num_tabs = 4 * num_tabs;
+ cb_data.stream = stream;
+ cb_data.values_printed = 0;
+
+ iterate_over_block_local_vars (block,
+ do_print_variable_and_value,
+ &cb_data);
- if (!values_printed)
+ if (!cb_data.values_printed)
fprintf_filtered (stream, _("No locals.\n"));
}
0, gdb_stdout);
}
-static void
-print_frame_arg_vars (struct frame_info *frame, struct ui_file *stream)
+/* Iterate over all the argument variables in block B.
+
+ Returns 1 if any argument was walked; 0 otherwise. */
+
+void
+iterate_over_block_arg_vars (struct block *b,
+ iterate_over_block_arg_local_vars_cb cb,
+ void *cb_data)
{
- struct symbol *func = get_frame_function (frame);
- struct block *b;
struct dict_iterator iter;
struct symbol *sym, *sym2;
- int values_printed = 0;
-
- if (func == 0)
- {
- fprintf_filtered (stream, _("No symbol table info available.\n"));
- return;
- }
- b = SYMBOL_BLOCK_VALUE (func);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
/* Don't worry about things which aren't arguments. */
if (SYMBOL_IS_ARGUMENT (sym))
{
- values_printed = 1;
-
/* We have to look up the symbol because arguments can have
two entries (one a parameter, one a local) and the one we
want is the local, which lookup_symbol will find for us.
sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
b, VAR_DOMAIN, NULL);
- print_variable_and_value (SYMBOL_PRINT_NAME (sym), sym2,
- frame, stream, 0);
+ (*cb) (SYMBOL_PRINT_NAME (sym), sym2, cb_data);
}
}
+}
+
+static void
+print_frame_arg_vars (struct frame_info *frame, struct ui_file *stream)
+{
+ struct print_variable_and_value_data cb_data;
+ struct symbol *func;
+
+ func = get_frame_function (frame);
+ if (func == NULL)
+ {
+ fprintf_filtered (stream, _("No symbol table info available.\n"));
+ return;
+ }
+
+ cb_data.frame = frame;
+ cb_data.num_tabs = 0;
+ cb_data.stream = gdb_stdout;
+ cb_data.values_printed = 0;
+
+ iterate_over_block_arg_vars (SYMBOL_BLOCK_VALUE (func),
+ do_print_variable_and_value, &cb_data);
- if (!values_printed)
+ if (!cb_data.values_printed)
fprintf_filtered (stream, _("No arguments.\n"));
}
#include "objfiles.h"
#include "filenames.h"
#include "gdbthread.h"
+#include "stack.h"
#include "ax.h"
#include "ax-gdb.h"
}
}
+/* Data to be passed around in the calls to the locals and args
+ iterators. */
+
+struct add_local_symbols_data
+{
+ struct collection_list *collect;
+ struct gdbarch *gdbarch;
+ CORE_ADDR pc;
+ long frame_regno;
+ long frame_offset;
+ int count;
+};
+
+/* The callback for the locals and args iterators */
+
+static void
+do_collect_symbol (const char *print_name,
+ struct symbol *sym,
+ void *cb_data)
+{
+ struct add_local_symbols_data *p = cb_data;
+
+ collect_symbol (p->collect, sym, p->gdbarch, p->frame_regno,
+ p->frame_offset, p->pc);
+ p->count++;
+}
+
/* Add all locals (or args) symbols to collection list */
static void
add_local_symbols (struct collection_list *collect,
struct gdbarch *gdbarch, CORE_ADDR pc,
long frame_regno, long frame_offset, int type)
{
- struct symbol *sym;
struct block *block;
- struct dict_iterator iter;
- int count = 0;
+ struct add_local_symbols_data cb_data;
- block = block_for_pc (pc);
- while (block != 0)
+ cb_data.collect = collect;
+ cb_data.gdbarch = gdbarch;
+ cb_data.pc = pc;
+ cb_data.frame_regno = frame_regno;
+ cb_data.frame_offset = frame_offset;
+ cb_data.count = 0;
+
+ if (type == 'L')
{
- QUIT; /* allow user to bail out with ^C */
- ALL_BLOCK_SYMBOLS (block, iter, sym)
+ block = block_for_pc (pc);
+ if (block == NULL)
{
- if (SYMBOL_IS_ARGUMENT (sym)
- ? type == 'A' /* collecting Arguments */
- : type == 'L') /* collecting Locals */
- {
- count++;
- collect_symbol (collect, sym, gdbarch,
- frame_regno, frame_offset, pc);
- }
+ warning (_("Can't collect locals; "
+ "no symbol table info available.\n"));
+ return;
}
- if (BLOCK_FUNCTION (block))
- break;
- else
- block = BLOCK_SUPERBLOCK (block);
+
+ iterate_over_block_local_vars (block, do_collect_symbol, &cb_data);
+ if (cb_data.count == 0)
+ warning (_("No locals found in scope."));
+ }
+ else
+ {
+ pc = get_pc_function_start (pc);
+ block = block_for_pc (pc);
+ if (block == NULL)
+ {
+ warning (_("Can't collect args; no symbol table info available.\n"));
+ return;
+ }
+
+ iterate_over_block_arg_vars (block, do_collect_symbol, &cb_data);
+ if (cb_data.count == 0)
+ warning (_("No args found in scope."));
}
- if (count == 0)
- warning (_("No %s found in scope."),
- type == 'L' ? "locals" : "args");
}
/* worker function */
projects / external / binutils.git / commitdiff