#include "util.h"
#include "../perf.h"
-#include "session.h"
#include "sort.h"
#include "string.h"
#include "symbol.h"
static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct perf_session *session, symbol_filter_t filter);
+ symbol_filter_t filter);
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
return self->sorted_by_name & (1 << type);
}
-static void dso__set_loaded(struct dso *self, enum map_type type)
-{
- self->loaded |= (1 << type);
-}
-
static void dso__set_sorted_by_name(struct dso *self, enum map_type type)
{
self->sorted_by_name |= (1 << type);
self->start = start;
self->end = len ? start + len - 1 : start;
- pr_debug3("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);
+ pr_debug4("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);
memcpy(self->name, name, namelen);
return self;
}
-static void symbol__delete(struct symbol *self)
+void symbol__delete(struct symbol *self)
{
free(((void *)self) - symbol_conf.priv_size);
}
struct rb_node *nd;
size_t ret = fprintf(fp, "dso: %s (", self->short_name);
+ if (self->short_name != self->long_name)
+ ret += fprintf(fp, "%s, ", self->long_name);
+ ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type],
+ self->loaded ? "" : "NOT ");
ret += dso__fprintf_buildid(self, fp);
ret += fprintf(fp, ")\n");
for (nd = rb_first(&self->symbols[type]); nd; nd = rb_next(nd)) {
* the original ELF section names vmlinux have.
*/
static int dso__split_kallsyms(struct dso *self, struct map *map,
- struct perf_session *session, symbol_filter_t filter)
+ symbol_filter_t filter)
{
+ struct map_groups *kmaps = map__kmap(map)->kmaps;
struct map *curr_map = map;
struct symbol *pos;
int count = 0;
*module++ = '\0';
if (strcmp(curr_map->dso->short_name, module)) {
- curr_map = map_groups__find_by_name(&session->kmaps, map->type, module);
+ curr_map = map_groups__find_by_name(kmaps, map->type, module);
if (curr_map == NULL) {
pr_debug("/proc/{kallsyms,modules} "
"inconsistency while looking "
return -1;
curr_map = map__new2(pos->start, dso, map->type);
- if (map == NULL) {
+ if (curr_map == NULL) {
dso__delete(dso);
return -1;
}
curr_map->map_ip = curr_map->unmap_ip = identity__map_ip;
- map_groups__insert(&session->kmaps, curr_map);
+ map_groups__insert(kmaps, curr_map);
++kernel_range;
}
return count;
}
-
-static int dso__load_kallsyms(struct dso *self, const char *filename, struct map *map,
- struct perf_session *session, symbol_filter_t filter)
+int dso__load_kallsyms(struct dso *self, const char *filename,
+ struct map *map, symbol_filter_t filter)
{
if (dso__load_all_kallsyms(self, filename, map) < 0)
return -1;
symbols__fixup_end(&self->symbols[map->type]);
self->origin = DSO__ORIG_KERNEL;
- return dso__split_kallsyms(self, map, session, filter);
+ return dso__split_kallsyms(self, map, filter);
}
static int dso__load_perf_map(struct dso *self, struct map *map,
}
}
-static int dso__load_sym(struct dso *self, struct map *map,
- struct perf_session *session, const char *name, int fd,
- symbol_filter_t filter, int kernel, int kmodule)
+static int dso__load_sym(struct dso *self, struct map *map, const char *name,
+ int fd, symbol_filter_t filter, int kmodule)
{
+ struct kmap *kmap = self->kernel ? map__kmap(map) : NULL;
struct map *curr_map = map;
struct dso *curr_dso = self;
size_t dso_name_len = strlen(self->short_name);
nr_syms = shdr.sh_size / shdr.sh_entsize;
memset(&sym, 0, sizeof(sym));
- if (!kernel) {
+ if (!self->kernel) {
self->adjust_symbols = (ehdr.e_type == ET_EXEC ||
elf_section_by_name(elf, &ehdr, &shdr,
".gnu.prelink_undo",
int is_label = elf_sym__is_label(&sym);
const char *section_name;
- if (kernel && session->ref_reloc_sym.name != NULL &&
- strcmp(elf_name, session->ref_reloc_sym.name) == 0)
- perf_session__reloc_vmlinux_maps(session, sym.st_value);
+ if (kmap && kmap->ref_reloc_sym && kmap->ref_reloc_sym->name &&
+ strcmp(elf_name, kmap->ref_reloc_sym->name) == 0)
+ kmap->ref_reloc_sym->unrelocated_addr = sym.st_value;
if (!is_label && !elf_sym__is_a(&sym, map->type))
continue;
section_name = elf_sec__name(&shdr, secstrs);
- if (kernel || kmodule) {
+ if (self->kernel || kmodule) {
char dso_name[PATH_MAX];
if (strcmp(section_name,
snprintf(dso_name, sizeof(dso_name),
"%s%s", self->short_name, section_name);
- curr_map = map_groups__find_by_name(&session->kmaps, map->type, dso_name);
+ curr_map = map_groups__find_by_name(kmap->kmaps, map->type, dso_name);
if (curr_map == NULL) {
u64 start = sym.st_value;
if (curr_dso == NULL)
goto out_elf_end;
curr_map = map__new2(start, curr_dso,
- MAP__FUNCTION);
+ map->type);
if (curr_map == NULL) {
dso__delete(curr_dso);
goto out_elf_end;
curr_map->map_ip = identity__map_ip;
curr_map->unmap_ip = identity__map_ip;
curr_dso->origin = DSO__ORIG_KERNEL;
- map_groups__insert(&session->kmaps, curr_map);
+ map_groups__insert(kmap->kmaps, curr_map);
dsos__add(&dsos__kernel, curr_dso);
+ dso__set_loaded(curr_dso, map->type);
} else
curr_dso = curr_map->dso;
}
if (curr_dso->adjust_symbols) {
- pr_debug2("adjusting symbol: st_value: %Lx sh_addr: "
- "%Lx sh_offset: %Lx\n", (u64)sym.st_value,
- (u64)shdr.sh_addr, (u64)shdr.sh_offset);
+ pr_debug4("%s: adjusting symbol: st_value: %#Lx "
+ "sh_addr: %#Lx sh_offset: %#Lx\n", __func__,
+ (u64)sym.st_value, (u64)shdr.sh_addr,
+ (u64)shdr.sh_offset);
sym.st_value -= shdr.sh_addr - shdr.sh_offset;
}
/*
/*
* For misannotated, zeroed, ASM function sizes.
*/
- if (nr > 0)
+ if (nr > 0) {
symbols__fixup_end(&self->symbols[map->type]);
+ if (kmap) {
+ /*
+ * We need to fixup this here too because we create new
+ * maps here, for things like vsyscall sections.
+ */
+ __map_groups__fixup_end(kmap->kmaps, map->type);
+ }
+ }
err = nr;
out_elf_end:
elf_end(elf);
return memcmp(self->build_id, build_id, sizeof(self->build_id)) == 0;
}
-static bool __dsos__read_build_ids(struct list_head *head)
+static bool __dsos__read_build_ids(struct list_head *head, bool with_hits)
{
bool have_build_id = false;
struct dso *pos;
- list_for_each_entry(pos, head, node)
+ list_for_each_entry(pos, head, node) {
+ if (with_hits && !pos->hit)
+ continue;
if (filename__read_build_id(pos->long_name, pos->build_id,
sizeof(pos->build_id)) > 0) {
have_build_id = true;
pos->has_build_id = true;
}
+ }
return have_build_id;
}
-bool dsos__read_build_ids(void)
+bool dsos__read_build_ids(bool with_hits)
{
- bool kbuildids = __dsos__read_build_ids(&dsos__kernel),
- ubuildids = __dsos__read_build_ids(&dsos__user);
+ bool kbuildids = __dsos__read_build_ids(&dsos__kernel, with_hits),
+ ubuildids = __dsos__read_build_ids(&dsos__user, with_hits);
return kbuildids || ubuildids;
}
return origin[self->origin];
}
-int dso__load(struct dso *self, struct map *map, struct perf_session *session,
- symbol_filter_t filter)
+int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
{
int size = PATH_MAX;
char *name;
dso__set_loaded(self, map->type);
if (self->kernel)
- return dso__load_kernel_sym(self, map, session, filter);
+ return dso__load_kernel_sym(self, map, filter);
name = malloc(size);
if (!name)
fd = open(name, O_RDONLY);
} while (fd < 0);
- ret = dso__load_sym(self, map, NULL, name, fd, filter, 0, 0);
+ ret = dso__load_sym(self, map, name, fd, filter, 0);
close(fd);
/*
return 0;
}
-static int perf_session__set_modules_path_dir(struct perf_session *self, char *dirname)
+static int map_groups__set_modules_path_dir(struct map_groups *self, char *dirname)
{
struct dirent *dent;
DIR *dir = opendir(dirname);
snprintf(path, sizeof(path), "%s/%s",
dirname, dent->d_name);
- if (perf_session__set_modules_path_dir(self, path) < 0)
+ if (map_groups__set_modules_path_dir(self, path) < 0)
goto failure;
} else {
char *dot = strrchr(dent->d_name, '.'),
(int)(dot - dent->d_name), dent->d_name);
strxfrchar(dso_name, '-', '_');
- map = map_groups__find_by_name(&self->kmaps, MAP__FUNCTION, dso_name);
+ map = map_groups__find_by_name(self, MAP__FUNCTION, dso_name);
if (map == NULL)
continue;
return -1;
}
-static int perf_session__set_modules_path(struct perf_session *self)
+static int map_groups__set_modules_path(struct map_groups *self)
{
struct utsname uts;
char modules_path[PATH_MAX];
snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel",
uts.release);
- return perf_session__set_modules_path_dir(self, modules_path);
+ return map_groups__set_modules_path_dir(self, modules_path);
}
/*
*/
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
{
- struct map *self = malloc(sizeof(*self));
-
+ struct map *self = zalloc(sizeof(*self) +
+ (dso->kernel ? sizeof(struct kmap) : 0));
if (self != NULL) {
/*
* ->end will be filled after we load all the symbols
return self;
}
-struct map *perf_session__new_module_map(struct perf_session *self, u64 start,
- const char *filename)
+struct map *map_groups__new_module(struct map_groups *self, u64 start,
+ const char *filename)
{
struct map *map;
struct dso *dso = __dsos__findnew(&dsos__kernel, filename);
return NULL;
dso->origin = DSO__ORIG_KMODULE;
- map_groups__insert(&self->kmaps, map);
+ map_groups__insert(self, map);
return map;
}
-static int perf_session__create_module_maps(struct perf_session *self)
+static int map_groups__create_modules(struct map_groups *self)
{
char *line = NULL;
size_t n;
*sep = '\0';
snprintf(name, sizeof(name), "[%s]", line);
- map = perf_session__new_module_map(self, start, name);
+ map = map_groups__new_module(self, start, name);
if (map == NULL)
goto out_delete_line;
dso__kernel_module_get_build_id(map->dso);
free(line);
fclose(file);
- return perf_session__set_modules_path(self);
+ return map_groups__set_modules_path(self);
out_delete_line:
free(line);
}
static int dso__load_vmlinux(struct dso *self, struct map *map,
- struct perf_session *session,
const char *vmlinux, symbol_filter_t filter)
{
int err = -1, fd;
return -1;
dso__set_loaded(self, map->type);
- err = dso__load_sym(self, map, session, vmlinux, fd, filter, 1, 0);
+ err = dso__load_sym(self, map, vmlinux, fd, filter, 0);
close(fd);
+ if (err > 0)
+ pr_debug("Using %s for symbols\n", vmlinux);
+
+ return err;
+}
+
+int dso__load_vmlinux_path(struct dso *self, struct map *map,
+ symbol_filter_t filter)
+{
+ int i, err = 0;
+
+ pr_debug("Looking at the vmlinux_path (%d entries long)\n",
+ vmlinux_path__nr_entries);
+
+ for (i = 0; i < vmlinux_path__nr_entries; ++i) {
+ err = dso__load_vmlinux(self, map, vmlinux_path[i], filter);
+ if (err > 0) {
+ dso__set_long_name(self, strdup(vmlinux_path[i]));
+ break;
+ }
+ }
+
return err;
}
static int dso__load_kernel_sym(struct dso *self, struct map *map,
- struct perf_session *session, symbol_filter_t filter)
+ symbol_filter_t filter)
{
int err;
const char *kallsyms_filename = NULL;
* match.
*/
if (symbol_conf.vmlinux_name != NULL) {
- err = dso__load_vmlinux(self, map, session,
+ err = dso__load_vmlinux(self, map,
symbol_conf.vmlinux_name, filter);
goto out_try_fixup;
}
if (vmlinux_path != NULL) {
- int i;
- pr_debug("Looking at the vmlinux_path (%d entries long)\n",
- vmlinux_path__nr_entries);
- for (i = 0; i < vmlinux_path__nr_entries; ++i) {
- err = dso__load_vmlinux(self, map, session,
- vmlinux_path[i], filter);
- if (err > 0) {
- pr_debug("Using %s for symbols\n",
- vmlinux_path[i]);
- dso__set_long_name(self,
- strdup(vmlinux_path[i]));
- goto out_fixup;
- }
- }
+ err = dso__load_vmlinux_path(self, map, filter);
+ if (err > 0)
+ goto out_fixup;
}
/*
if (asprintf(&kallsyms_allocated_filename,
"%s/.debug/[kernel.kallsyms]/%s",
- getenv("HOME"), sbuild_id) == -1)
+ getenv("HOME"), sbuild_id) == -1) {
+ pr_err("Not enough memory for kallsyms file lookup\n");
return -1;
+ }
kallsyms_filename = kallsyms_allocated_filename;
if (access(kallsyms_filename, F_OK)) {
+ pr_err("No kallsyms or vmlinux with build-id %s "
+ "was found\n", sbuild_id);
free(kallsyms_allocated_filename);
return -1;
}
}
do_kallsyms:
- err = dso__load_kallsyms(self, kallsyms_filename, map, session, filter);
+ err = dso__load_kallsyms(self, kallsyms_filename, map, filter);
+ if (err > 0)
+ pr_debug("Using %s for symbols\n", kallsyms_filename);
free(kallsyms_allocated_filename);
out_try_fixup:
LIST_HEAD(dsos__user);
LIST_HEAD(dsos__kernel);
-struct dso *vdso;
static void dsos__add(struct list_head *head, struct dso *dso)
{
__dsos__fprintf_buildid(&dsos__user, fp, with_hits));
}
-static struct dso *dsos__create_kernel(const char *vmlinux)
+struct dso *dso__new_kernel(const char *name)
{
- struct dso *kernel = dso__new(vmlinux ?: "[kernel.kallsyms]");
+ struct dso *self = dso__new(name ?: "[kernel.kallsyms]");
- if (kernel == NULL)
- return NULL;
+ if (self != NULL) {
+ self->short_name = "[kernel]";
+ self->kernel = 1;
+ }
- kernel->short_name = "[kernel]";
- kernel->kernel = 1;
+ return self;
+}
- vdso = dso__new("[vdso]");
- if (vdso == NULL)
- goto out_delete_kernel_dso;
- dso__set_loaded(vdso, MAP__FUNCTION);
+void dso__read_running_kernel_build_id(struct dso *self)
+{
+ if (sysfs__read_build_id("/sys/kernel/notes", self->build_id,
+ sizeof(self->build_id)) == 0)
+ self->has_build_id = true;
+}
- if (sysfs__read_build_id("/sys/kernel/notes", kernel->build_id,
- sizeof(kernel->build_id)) == 0)
- kernel->has_build_id = true;
+static struct dso *dsos__create_kernel(const char *vmlinux)
+{
+ struct dso *kernel = dso__new_kernel(vmlinux);
- dsos__add(&dsos__kernel, kernel);
- dsos__add(&dsos__user, vdso);
+ if (kernel != NULL) {
+ dso__read_running_kernel_build_id(kernel);
+ dsos__add(&dsos__kernel, kernel);
+ }
return kernel;
-
-out_delete_kernel_dso:
- dso__delete(kernel);
- return NULL;
}
int __map_groups__create_kernel_maps(struct map_groups *self,
enum map_type type;
for (type = 0; type < MAP__NR_TYPES; ++type) {
+ struct kmap *kmap;
+
vmlinux_maps[type] = map__new2(0, kernel, type);
if (vmlinux_maps[type] == NULL)
return -1;
vmlinux_maps[type]->map_ip =
vmlinux_maps[type]->unmap_ip = identity__map_ip;
+
+ kmap = map__kmap(vmlinux_maps[type]);
+ kmap->kmaps = self;
map_groups__insert(self, vmlinux_maps[type]);
}
return 0;
}
-static int map_groups__create_kernel_maps(struct map_groups *self,
- struct map *vmlinux_maps[MAP__NR_TYPES],
- const char *vmlinux)
-{
- struct dso *kernel = dsos__create_kernel(vmlinux);
-
- if (kernel == NULL)
- return -1;
-
- return __map_groups__create_kernel_maps(self, vmlinux_maps, kernel);
-}
-
static void vmlinux_path__exit(void)
{
while (--vmlinux_path__nr_entries >= 0) {
return -1;
}
-int perf_session__create_kernel_maps(struct perf_session *self)
+int map_groups__create_kernel_maps(struct map_groups *self,
+ struct map *vmlinux_maps[MAP__NR_TYPES])
{
- if (map_groups__create_kernel_maps(&self->kmaps, self->vmlinux_maps,
- symbol_conf.vmlinux_name) < 0)
+ struct dso *kernel = dsos__create_kernel(symbol_conf.vmlinux_name);
+
+ if (kernel == NULL)
+ return -1;
+
+ if (__map_groups__create_kernel_maps(self, vmlinux_maps, kernel) < 0)
return -1;
- if (symbol_conf.use_modules &&
- perf_session__create_module_maps(self) < 0)
- pr_debug("Failed to load list of modules for session %s, "
- "continuing...\n", self->filename);
+ if (symbol_conf.use_modules && map_groups__create_modules(self) < 0)
+ pr_debug("Problems creating module maps, continuing anyway...\n");
/*
* Now that we have all the maps created, just set the ->end of them:
*/
- map_groups__fixup_end(&self->kmaps);
+ map_groups__fixup_end(self);
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff