+2021-06-25 Tom Tromey <tom@tromey.com>
+
+ * dwarf2/index-write.c (struct addrmap_index_data): Add
+ initializers.
+ <operator()>: Declare.
+ (addrmap_index_data::operator()): Rename from
+ add_address_entry_worker. Remove 'datap' parameter.
+ (write_address_map): Update.
+ * psymtab.c (struct dump_psymtab_addrmap_data): Remove
+ (dump_psymtab_addrmap_1): Remove 'data' parameter, add other
+ parameters.
+ (dump_psymtab_addrmap): Update.
+ * addrmap.c (struct addrmap_funcs) <foreach>: Remove 'data'
+ parameter.
+ (addrmap_foreach, addrmap_fixed_foreach): Likewise.
+ (struct mutable_foreach_data): Remove.
+ (addrmap_mutable_foreach_worker): Update.
+ (addrmap_mutable_foreach): Remove 'data' parameter.
+ * addrmap.h (addrmap_foreach_fn): Use gdb::function_view.
+ (addrmap_foreach): Remove 'data' parameter.
+
2021-06-25 Tom Tromey <tromey@adacore.com>
* python/py-type.c (typy_get_name): Decode an Ada type name.
struct addrmap *(*create_fixed) (struct addrmap *self,
struct obstack *obstack);
void (*relocate) (struct addrmap *self, CORE_ADDR offset);
- int (*foreach) (struct addrmap *self, addrmap_foreach_fn fn, void *data);
+ int (*foreach) (struct addrmap *self, addrmap_foreach_fn fn);
};
int
-addrmap_foreach (struct addrmap *map, addrmap_foreach_fn fn, void *data)
+addrmap_foreach (struct addrmap *map, addrmap_foreach_fn fn)
{
- return map->funcs->foreach (map, fn, data);
+ return map->funcs->foreach (map, fn);
}
\f
/* Fixed address maps. */
static int
-addrmap_fixed_foreach (struct addrmap *self, addrmap_foreach_fn fn,
- void *data)
+addrmap_fixed_foreach (struct addrmap *self, addrmap_foreach_fn fn)
{
struct addrmap_fixed *map = (struct addrmap_fixed *) self;
size_t i;
for (i = 0; i < map->num_transitions; i++)
{
- int res = fn (data, map->transitions[i].addr, map->transitions[i].value);
+ int res = fn (map->transitions[i].addr, map->transitions[i].value);
if (res != 0)
return res;
}
-/* Struct to map addrmap's foreach function to splay_tree's version. */
-struct mutable_foreach_data
-{
- addrmap_foreach_fn fn;
- void *data;
-};
-
-
/* This is a splay_tree_foreach_fn. */
static int
addrmap_mutable_foreach_worker (splay_tree_node node, void *data)
{
- struct mutable_foreach_data *foreach_data
- = (struct mutable_foreach_data *) data;
+ addrmap_foreach_fn *fn = (addrmap_foreach_fn *) data;
- return foreach_data->fn (foreach_data->data,
- addrmap_node_key (node),
- addrmap_node_value (node));
+ return (*fn) (addrmap_node_key (node), addrmap_node_value (node));
}
static int
-addrmap_mutable_foreach (struct addrmap *self, addrmap_foreach_fn fn,
- void *data)
+addrmap_mutable_foreach (struct addrmap *self, addrmap_foreach_fn fn)
{
struct addrmap_mutable *mutable_obj = (struct addrmap_mutable *) self;
- struct mutable_foreach_data foreach_data;
- foreach_data.fn = fn;
- foreach_data.data = data;
return splay_tree_foreach (mutable_obj->tree, addrmap_mutable_foreach_worker,
- &foreach_data);
+ &fn);
}
#ifndef ADDRMAP_H
#define ADDRMAP_H
+#include "gdbsupport/function-view.h"
+
/* An address map is essentially a table mapping CORE_ADDRs onto GDB
data structures, like blocks, symtabs, partial symtabs, and so on.
An address map uses memory proportional to the number of
/* The type of a function used to iterate over the map.
OBJ is NULL for unmapped regions. */
-typedef int (*addrmap_foreach_fn) (void *data, CORE_ADDR start_addr,
- void *obj);
-
-/* Call FN, passing it DATA, for every address in MAP, following an
- in-order traversal. If FN ever returns a non-zero value, the
- iteration ceases immediately, and the value is returned.
- Otherwise, this function returns 0. */
-int addrmap_foreach (struct addrmap *map, addrmap_foreach_fn fn, void *data);
+typedef gdb::function_view<int (CORE_ADDR start_addr, void *obj)>
+ addrmap_foreach_fn;
+
+/* Call FN for every address in MAP, following an in-order traversal.
+ If FN ever returns a non-zero value, the iteration ceases
+ immediately, and the value is returned. Otherwise, this function
+ returns 0. */
+int addrmap_foreach (struct addrmap *map, addrmap_foreach_fn fn);
#endif /* ADDRMAP_H */
data_buf &addr_vec;
psym_index_map &cu_index_htab;
+ int operator() (CORE_ADDR start_addr, void *obj);
+
/* Non-zero if the previous_* fields are valid.
We can't write an entry until we see the next entry (since it is only then
that we know the end of the entry). */
- int previous_valid;
+ int previous_valid = 0;
/* Index of the CU in the table of all CUs in the index file. */
- unsigned int previous_cu_index;
+ unsigned int previous_cu_index = 0;
/* Start address of the CU. */
- CORE_ADDR previous_cu_start;
+ CORE_ADDR previous_cu_start = 0;
};
/* Write an address entry to ADDR_VEC. */
/* Worker function for traversing an addrmap to build the address table. */
-static int
-add_address_entry_worker (void *datap, CORE_ADDR start_addr, void *obj)
+int
+addrmap_index_data::operator() (CORE_ADDR start_addr, void *obj)
{
- struct addrmap_index_data *data = (struct addrmap_index_data *) datap;
partial_symtab *pst = (partial_symtab *) obj;
- if (data->previous_valid)
- add_address_entry (data->addr_vec,
- data->previous_cu_start, start_addr,
- data->previous_cu_index);
+ if (previous_valid)
+ add_address_entry (addr_vec,
+ previous_cu_start, start_addr,
+ previous_cu_index);
- data->previous_cu_start = start_addr;
+ previous_cu_start = start_addr;
if (pst != NULL)
{
- const auto it = data->cu_index_htab.find (pst);
- gdb_assert (it != data->cu_index_htab.cend ());
- data->previous_cu_index = it->second;
- data->previous_valid = 1;
+ const auto it = cu_index_htab.find (pst);
+ gdb_assert (it != cu_index_htab.cend ());
+ previous_cu_index = it->second;
+ previous_valid = 1;
}
else
- data->previous_valid = 0;
+ previous_valid = 0;
return 0;
}
{
struct addrmap_index_data addrmap_index_data (addr_vec, cu_index_htab);
- /* When writing the address table, we have to cope with the fact that
- the addrmap iterator only provides the start of a region; we have to
- wait until the next invocation to get the start of the next region. */
-
- addrmap_index_data.previous_valid = 0;
-
addrmap_foreach (per_bfd->partial_symtabs->psymtabs_addrmap,
- add_address_entry_worker, &addrmap_index_data);
+ addrmap_index_data);
/* It's highly unlikely the last entry (end address = 0xff...ff)
is valid, but we should still handle it.
\f
-/* We need to pass a couple of items to the addrmap_foreach function,
- so use a struct. */
-
-struct dump_psymtab_addrmap_data
-{
- struct objfile *objfile;
- struct partial_symtab *psymtab;
- struct ui_file *outfile;
-
- /* Non-zero if the previously printed addrmap entry was for PSYMTAB.
- If so, we want to print the next one as well (since the next addrmap
- entry defines the end of the range). */
- int previous_matched;
-};
-
/* Helper function for dump_psymtab_addrmap to print an addrmap entry. */
static int
-dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj)
+dump_psymtab_addrmap_1 (struct objfile *objfile,
+ struct partial_symtab *psymtab,
+ struct ui_file *outfile,
+ int *previous_matched,
+ CORE_ADDR start_addr,
+ void *obj)
{
- struct dump_psymtab_addrmap_data *data
- = (struct dump_psymtab_addrmap_data *) datap;
- struct gdbarch *gdbarch = data->objfile->arch ();
+ struct gdbarch *gdbarch = objfile->arch ();
struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj;
const char *psymtab_address_or_end = NULL;
QUIT;
- if (data->psymtab == NULL
- || data->psymtab == addrmap_psymtab)
+ if (psymtab == NULL
+ || psymtab == addrmap_psymtab)
psymtab_address_or_end = host_address_to_string (addrmap_psymtab);
- else if (data->previous_matched)
+ else if (*previous_matched)
psymtab_address_or_end = "<ends here>";
- if (data->psymtab == NULL
- || data->psymtab == addrmap_psymtab
- || data->previous_matched)
+ if (psymtab == NULL
+ || psymtab == addrmap_psymtab
+ || *previous_matched)
{
- fprintf_filtered (data->outfile, " %s%s %s\n",
- data->psymtab != NULL ? " " : "",
+ fprintf_filtered (outfile, " %s%s %s\n",
+ psymtab != NULL ? " " : "",
paddress (gdbarch, start_addr),
psymtab_address_or_end);
}
- data->previous_matched = (data->psymtab == NULL
- || data->psymtab == addrmap_psymtab);
+ *previous_matched = psymtab == NULL || psymtab == addrmap_psymtab;
return 0;
}
struct partial_symtab *psymtab,
struct ui_file *outfile)
{
- struct dump_psymtab_addrmap_data addrmap_dump_data;
-
if ((psymtab == NULL
|| psymtab->psymtabs_addrmap_supported)
&& partial_symtabs->psymtabs_addrmap != NULL)
{
- addrmap_dump_data.objfile = objfile;
- addrmap_dump_data.psymtab = psymtab;
- addrmap_dump_data.outfile = outfile;
- addrmap_dump_data.previous_matched = 0;
+ /* Non-zero if the previously printed addrmap entry was for
+ PSYMTAB. If so, we want to print the next one as well (since
+ the next addrmap entry defines the end of the range). */
+ int previous_matched = 0;
+
+ auto callback = [&] (CORE_ADDR start_addr, void *obj)
+ {
+ return dump_psymtab_addrmap_1 (objfile, psymtab, outfile,
+ &previous_matched, start_addr, obj);
+ };
+
fprintf_filtered (outfile, "%sddress map:\n",
psymtab == NULL ? "Entire a" : " A");
- addrmap_foreach (partial_symtabs->psymtabs_addrmap,
- dump_psymtab_addrmap_1, &addrmap_dump_data);
+ addrmap_foreach (partial_symtabs->psymtabs_addrmap, callback);
}
}
projects / thirdparty / binutils-gdb.git / commitdiff
