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Commit cdd059d7 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Move dso_* related functions into dso object 



Moving dso_* related functions into dso object.

Keeping symbol loading related functions still in the symbol object as
it seems more convenient.

Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
Reviewed-by: default avatarNamhyung Kim <namhyung@kernel.org>
Tested-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1351372712-21104-6-git-send-email-jolsa@redhat.com


[ committer note: Use "symbol.h" instead of <symbol.h> to make it build with O= ]
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ea36c46b

tools/perf/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -327,6 +327,7 @@ LIB_H += util/svghelper.h 
LIB_H += util/tool.h

LIB_H += util/run-command.h

LIB_H += util/sigchain.h

LIB_H += util/dso.h

LIB_H += util/symbol.h

LIB_H += util/color.h

LIB_H += util/values.h
@@ -385,6 +386,7 @@ LIB_OBJS += $(OUTPUT)util/top.o 
LIB_OBJS += $(OUTPUT)util/usage.o

LIB_OBJS += $(OUTPUT)util/wrapper.o

LIB_OBJS += $(OUTPUT)util/sigchain.o

LIB_OBJS += $(OUTPUT)util/dso.o

LIB_OBJS += $(OUTPUT)util/symbol.o

LIB_OBJS += $(OUTPUT)util/symbol-elf.o

LIB_OBJS += $(OUTPUT)util/dso-test-data.o

tools/perf/util/dso.c

0 → 100644
+594 −0
Original line number Diff line number Diff line 
#include "symbol.h"

#include "dso.h"

#include "util.h"

#include "debug.h"



char dso__symtab_origin(const struct dso *dso)

{

	static const char origin[] = {

		[DSO_BINARY_TYPE__KALLSYMS]		= 'k',

		[DSO_BINARY_TYPE__VMLINUX]		= 'v',

		[DSO_BINARY_TYPE__JAVA_JIT]		= 'j',

		[DSO_BINARY_TYPE__DEBUGLINK]		= 'l',

		[DSO_BINARY_TYPE__BUILD_ID_CACHE]	= 'B',

		[DSO_BINARY_TYPE__FEDORA_DEBUGINFO]	= 'f',

		[DSO_BINARY_TYPE__UBUNTU_DEBUGINFO]	= 'u',

		[DSO_BINARY_TYPE__BUILDID_DEBUGINFO]	= 'b',

		[DSO_BINARY_TYPE__SYSTEM_PATH_DSO]	= 'd',

		[DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE]	= 'K',

		[DSO_BINARY_TYPE__GUEST_KALLSYMS]	= 'g',

		[DSO_BINARY_TYPE__GUEST_KMODULE]	= 'G',

		[DSO_BINARY_TYPE__GUEST_VMLINUX]	= 'V',

	};



	if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND)

		return '!';

	return origin[dso->symtab_type];

}



int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,

			  char *root_dir, char *file, size_t size)

{

	char build_id_hex[BUILD_ID_SIZE * 2 + 1];

	int ret = 0;



	switch (type) {

	case DSO_BINARY_TYPE__DEBUGLINK: {

		char *debuglink;



		strncpy(file, dso->long_name, size);

		debuglink = file + dso->long_name_len;

		while (debuglink != file && *debuglink != '/')

			debuglink--;

		if (*debuglink == '/')

			debuglink++;

		filename__read_debuglink(dso->long_name, debuglink,

					 size - (debuglink - file));

		}

		break;

	case DSO_BINARY_TYPE__BUILD_ID_CACHE:

		/* skip the locally configured cache if a symfs is given */

		if (symbol_conf.symfs[0] ||

		    (dso__build_id_filename(dso, file, size) == NULL))

			ret = -1;

		break;



	case DSO_BINARY_TYPE__FEDORA_DEBUGINFO:

		snprintf(file, size, "%s/usr/lib/debug%s.debug",

			 symbol_conf.symfs, dso->long_name);

		break;



	case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO:

		snprintf(file, size, "%s/usr/lib/debug%s",

			 symbol_conf.symfs, dso->long_name);

		break;



	case DSO_BINARY_TYPE__BUILDID_DEBUGINFO:

		if (!dso->has_build_id) {

			ret = -1;

			break;

		}



		build_id__sprintf(dso->build_id,

				  sizeof(dso->build_id),

				  build_id_hex);

		snprintf(file, size,

			 "%s/usr/lib/debug/.build-id/%.2s/%s.debug",

			 symbol_conf.symfs, build_id_hex, build_id_hex + 2);

		break;



	case DSO_BINARY_TYPE__SYSTEM_PATH_DSO:

		snprintf(file, size, "%s%s",

			 symbol_conf.symfs, dso->long_name);

		break;



	case DSO_BINARY_TYPE__GUEST_KMODULE:

		snprintf(file, size, "%s%s%s", symbol_conf.symfs,

			 root_dir, dso->long_name);

		break;



	case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE:

		snprintf(file, size, "%s%s", symbol_conf.symfs,

			 dso->long_name);

		break;



	default:

	case DSO_BINARY_TYPE__KALLSYMS:

	case DSO_BINARY_TYPE__VMLINUX:

	case DSO_BINARY_TYPE__GUEST_KALLSYMS:

	case DSO_BINARY_TYPE__GUEST_VMLINUX:

	case DSO_BINARY_TYPE__JAVA_JIT:

	case DSO_BINARY_TYPE__NOT_FOUND:

		ret = -1;

		break;

	}



	return ret;

}



static int open_dso(struct dso *dso, struct machine *machine)

{

	char *root_dir = (char *) "";

	char *name;

	int fd;



	name = malloc(PATH_MAX);

	if (!name)

		return -ENOMEM;



	if (machine)

		root_dir = machine->root_dir;



	if (dso__binary_type_file(dso, dso->data_type,

				  root_dir, name, PATH_MAX)) {

		free(name);

		return -EINVAL;

	}



	fd = open(name, O_RDONLY);

	free(name);

	return fd;

}



int dso__data_fd(struct dso *dso, struct machine *machine)

{

	static enum dso_binary_type binary_type_data[] = {

		DSO_BINARY_TYPE__BUILD_ID_CACHE,

		DSO_BINARY_TYPE__SYSTEM_PATH_DSO,

		DSO_BINARY_TYPE__NOT_FOUND,

	};

	int i = 0;



	if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND)

		return open_dso(dso, machine);



	do {

		int fd;



		dso->data_type = binary_type_data[i++];



		fd = open_dso(dso, machine);

		if (fd >= 0)

			return fd;



	} while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND);



	return -EINVAL;

}



static void

dso_cache__free(struct rb_root *root)

{

	struct rb_node *next = rb_first(root);



	while (next) {

		struct dso_cache *cache;



		cache = rb_entry(next, struct dso_cache, rb_node);

		next = rb_next(&cache->rb_node);

		rb_erase(&cache->rb_node, root);

		free(cache);

	}

}



static struct dso_cache*

dso_cache__find(struct rb_root *root, u64 offset)

{

	struct rb_node **p = &root->rb_node;

	struct rb_node *parent = NULL;

	struct dso_cache *cache;



	while (*p != NULL) {

		u64 end;



		parent = *p;

		cache = rb_entry(parent, struct dso_cache, rb_node);

		end = cache->offset + DSO__DATA_CACHE_SIZE;



		if (offset < cache->offset)

			p = &(*p)->rb_left;

		else if (offset >= end)

			p = &(*p)->rb_right;

		else

			return cache;

	}

	return NULL;

}



static void

dso_cache__insert(struct rb_root *root, struct dso_cache *new)

{

	struct rb_node **p = &root->rb_node;

	struct rb_node *parent = NULL;

	struct dso_cache *cache;

	u64 offset = new->offset;



	while (*p != NULL) {

		u64 end;



		parent = *p;

		cache = rb_entry(parent, struct dso_cache, rb_node);

		end = cache->offset + DSO__DATA_CACHE_SIZE;



		if (offset < cache->offset)

			p = &(*p)->rb_left;

		else if (offset >= end)

			p = &(*p)->rb_right;

	}



	rb_link_node(&new->rb_node, parent, p);

	rb_insert_color(&new->rb_node, root);

}



static ssize_t

dso_cache__memcpy(struct dso_cache *cache, u64 offset,

		  u8 *data, u64 size)

{

	u64 cache_offset = offset - cache->offset;

	u64 cache_size   = min(cache->size - cache_offset, size);



	memcpy(data, cache->data + cache_offset, cache_size);

	return cache_size;

}



static ssize_t

dso_cache__read(struct dso *dso, struct machine *machine,

		 u64 offset, u8 *data, ssize_t size)

{

	struct dso_cache *cache;

	ssize_t ret;

	int fd;



	fd = dso__data_fd(dso, machine);

	if (fd < 0)

		return -1;



	do {

		u64 cache_offset;



		ret = -ENOMEM;



		cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE);

		if (!cache)

			break;



		cache_offset = offset & DSO__DATA_CACHE_MASK;

		ret = -EINVAL;



		if (-1 == lseek(fd, cache_offset, SEEK_SET))

			break;



		ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE);

		if (ret <= 0)

			break;



		cache->offset = cache_offset;

		cache->size   = ret;

		dso_cache__insert(&dso->cache, cache);



		ret = dso_cache__memcpy(cache, offset, data, size);



	} while (0);



	if (ret <= 0)

		free(cache);



	close(fd);

	return ret;

}



static ssize_t dso_cache_read(struct dso *dso, struct machine *machine,

			      u64 offset, u8 *data, ssize_t size)

{

	struct dso_cache *cache;



	cache = dso_cache__find(&dso->cache, offset);

	if (cache)

		return dso_cache__memcpy(cache, offset, data, size);

	else

		return dso_cache__read(dso, machine, offset, data, size);

}



ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,

			      u64 offset, u8 *data, ssize_t size)

{

	ssize_t r = 0;

	u8 *p = data;



	do {

		ssize_t ret;



		ret = dso_cache_read(dso, machine, offset, p, size);

		if (ret < 0)

			return ret;



		/* Reached EOF, return what we have. */

		if (!ret)

			break;



		BUG_ON(ret > size);



		r      += ret;

		p      += ret;

		offset += ret;

		size   -= ret;



	} while (size);



	return r;

}



ssize_t dso__data_read_addr(struct dso *dso, struct map *map,

			    struct machine *machine, u64 addr,

			    u8 *data, ssize_t size)

{

	u64 offset = map->map_ip(map, addr);

	return dso__data_read_offset(dso, machine, offset, data, size);

}



struct map *dso__new_map(const char *name)

{

	struct map *map = NULL;

	struct dso *dso = dso__new(name);



	if (dso)

		map = map__new2(0, dso, MAP__FUNCTION);



	return map;

}



struct dso *dso__kernel_findnew(struct machine *machine, const char *name,

		    const char *short_name, int dso_type)

{

	/*

	 * The kernel dso could be created by build_id processing.

	 */

	struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name);



	/*

	 * We need to run this in all cases, since during the build_id

	 * processing we had no idea this was the kernel dso.

	 */

	if (dso != NULL) {

		dso__set_short_name(dso, short_name);

		dso->kernel = dso_type;

	}



	return dso;

}



void dso__set_long_name(struct dso *dso, char *name)

{

	if (name == NULL)

		return;

	dso->long_name = name;

	dso->long_name_len = strlen(name);

}



void dso__set_short_name(struct dso *dso, const char *name)

{

	if (name == NULL)

		return;

	dso->short_name = name;

	dso->short_name_len = strlen(name);

}



static void dso__set_basename(struct dso *dso)

{

	dso__set_short_name(dso, basename(dso->long_name));

}



int dso__name_len(const struct dso *dso)

{

	if (!dso)

		return strlen("[unknown]");

	if (verbose)

		return dso->long_name_len;



	return dso->short_name_len;

}



bool dso__loaded(const struct dso *dso, enum map_type type)

{

	return dso->loaded & (1 << type);

}



bool dso__sorted_by_name(const struct dso *dso, enum map_type type)

{

	return dso->sorted_by_name & (1 << type);

}



void dso__set_sorted_by_name(struct dso *dso, enum map_type type)

{

	dso->sorted_by_name |= (1 << type);

}



struct dso *dso__new(const char *name)

{

	struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1);



	if (dso != NULL) {

		int i;

		strcpy(dso->name, name);

		dso__set_long_name(dso, dso->name);

		dso__set_short_name(dso, dso->name);

		for (i = 0; i < MAP__NR_TYPES; ++i)

			dso->symbols[i] = dso->symbol_names[i] = RB_ROOT;

		dso->cache = RB_ROOT;

		dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND;

		dso->data_type   = DSO_BINARY_TYPE__NOT_FOUND;

		dso->loaded = 0;

		dso->sorted_by_name = 0;

		dso->has_build_id = 0;

		dso->kernel = DSO_TYPE_USER;

		dso->needs_swap = DSO_SWAP__UNSET;

		INIT_LIST_HEAD(&dso->node);

	}



	return dso;

}



void dso__delete(struct dso *dso)

{

	int i;

	for (i = 0; i < MAP__NR_TYPES; ++i)

		symbols__delete(&dso->symbols[i]);

	if (dso->sname_alloc)

		free((char *)dso->short_name);

	if (dso->lname_alloc)

		free(dso->long_name);

	dso_cache__free(&dso->cache);

	free(dso);

}



void dso__set_build_id(struct dso *dso, void *build_id)

{

	memcpy(dso->build_id, build_id, sizeof(dso->build_id));

	dso->has_build_id = 1;

}



bool dso__build_id_equal(const struct dso *dso, u8 *build_id)

{

	return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0;

}



void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine)

{

	char path[PATH_MAX];



	if (machine__is_default_guest(machine))

		return;

	sprintf(path, "%s/sys/kernel/notes", machine->root_dir);

	if (sysfs__read_build_id(path, dso->build_id,

				 sizeof(dso->build_id)) == 0)

		dso->has_build_id = true;

}



int dso__kernel_module_get_build_id(struct dso *dso,

				    const char *root_dir)

{

	char filename[PATH_MAX];

	/*

	 * kernel module short names are of the form "[module]" and

	 * we need just "module" here.

	 */

	const char *name = dso->short_name + 1;



	snprintf(filename, sizeof(filename),

		 "%s/sys/module/%.*s/notes/.note.gnu.build-id",

		 root_dir, (int)strlen(name) - 1, name);



	if (sysfs__read_build_id(filename, dso->build_id,

				 sizeof(dso->build_id)) == 0)

		dso->has_build_id = true;



	return 0;

}



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) {

		if (with_hits && !pos->hit)

			continue;

		if (pos->has_build_id) {

			have_build_id = true;

			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;

}



void dsos__add(struct list_head *head, struct dso *dso)

{

	list_add_tail(&dso->node, head);

}



struct dso *dsos__find(struct list_head *head, const char *name)

{

	struct dso *pos;



	list_for_each_entry(pos, head, node)

		if (strcmp(pos->long_name, name) == 0)

			return pos;

	return NULL;

}



struct dso *__dsos__findnew(struct list_head *head, const char *name)

{

	struct dso *dso = dsos__find(head, name);



	if (!dso) {

		dso = dso__new(name);

		if (dso != NULL) {

			dsos__add(head, dso);

			dso__set_basename(dso);

		}

	}



	return dso;

}



size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,

			       bool with_hits)

{

	struct dso *pos;

	size_t ret = 0;



	list_for_each_entry(pos, head, node) {

		if (with_hits && !pos->hit)

			continue;

		ret += dso__fprintf_buildid(pos, fp);

		ret += fprintf(fp, " %s\n", pos->long_name);

	}

	return ret;

}



size_t __dsos__fprintf(struct list_head *head, FILE *fp)

{

	struct dso *pos;

	size_t ret = 0;



	list_for_each_entry(pos, head, node) {

		int i;

		for (i = 0; i < MAP__NR_TYPES; ++i)

			ret += dso__fprintf(pos, i, fp);

	}



	return ret;

}



size_t dso__fprintf_buildid(struct dso *dso, FILE *fp)

{

	char sbuild_id[BUILD_ID_SIZE * 2 + 1];



	build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);

	return fprintf(fp, "%s", sbuild_id);

}



size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp)

{

	struct rb_node *nd;

	size_t ret = fprintf(fp, "dso: %s (", dso->short_name);



	if (dso->short_name != dso->long_name)

		ret += fprintf(fp, "%s, ", dso->long_name);

	ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type],

		       dso->loaded ? "" : "NOT ");

	ret += dso__fprintf_buildid(dso, fp);

	ret += fprintf(fp, ")\n");

	for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) {

		struct symbol *pos = rb_entry(nd, struct symbol, rb_node);

		ret += symbol__fprintf(pos, fp);

	}



	return ret;

}

tools/perf/util/dso.h

0 → 100644
+148 −0
Original line number Diff line number Diff line 
#ifndef __PERF_DSO

#define __PERF_DSO



#include <linux/types.h>

#include <linux/rbtree.h>

#include "types.h"

#include "map.h"



enum dso_binary_type {

	DSO_BINARY_TYPE__KALLSYMS = 0,

	DSO_BINARY_TYPE__GUEST_KALLSYMS,

	DSO_BINARY_TYPE__VMLINUX,

	DSO_BINARY_TYPE__GUEST_VMLINUX,

	DSO_BINARY_TYPE__JAVA_JIT,

	DSO_BINARY_TYPE__DEBUGLINK,

	DSO_BINARY_TYPE__BUILD_ID_CACHE,

	DSO_BINARY_TYPE__FEDORA_DEBUGINFO,

	DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,

	DSO_BINARY_TYPE__BUILDID_DEBUGINFO,

	DSO_BINARY_TYPE__SYSTEM_PATH_DSO,

	DSO_BINARY_TYPE__GUEST_KMODULE,

	DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,

	DSO_BINARY_TYPE__NOT_FOUND,

};



enum dso_kernel_type {

	DSO_TYPE_USER = 0,

	DSO_TYPE_KERNEL,

	DSO_TYPE_GUEST_KERNEL

};



enum dso_swap_type {

	DSO_SWAP__UNSET,

	DSO_SWAP__NO,

	DSO_SWAP__YES,

};



#define DSO__SWAP(dso, type, val)			\

({							\

	type ____r = val;				\

	BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);	\

	if (dso->needs_swap == DSO_SWAP__YES) {		\

		switch (sizeof(____r)) {		\

		case 2:					\

			____r = bswap_16(val);		\

			break;				\

		case 4:					\

			____r = bswap_32(val);		\

			break;				\

		case 8:					\

			____r = bswap_64(val);		\

			break;				\

		default:				\

			BUG_ON(1);			\

		}					\

	}						\

	____r;						\

})



#define DSO__DATA_CACHE_SIZE 4096

#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)



struct dso_cache {

	struct rb_node	rb_node;

	u64 offset;

	u64 size;

	char data[0];

};



struct dso {

	struct list_head node;

	struct rb_root	 symbols[MAP__NR_TYPES];

	struct rb_root	 symbol_names[MAP__NR_TYPES];

	struct rb_root	 cache;

	enum dso_kernel_type	kernel;

	enum dso_swap_type	needs_swap;

	enum dso_binary_type	symtab_type;

	enum dso_binary_type	data_type;

	u8		 adjust_symbols:1;

	u8		 has_build_id:1;

	u8		 hit:1;

	u8		 annotate_warned:1;

	u8		 sname_alloc:1;

	u8		 lname_alloc:1;

	u8		 sorted_by_name;

	u8		 loaded;

	u8		 build_id[BUILD_ID_SIZE];

	const char	 *short_name;

	char		 *long_name;

	u16		 long_name_len;

	u16		 short_name_len;

	char		 name[0];

};



static inline void dso__set_loaded(struct dso *dso, enum map_type type)

{

	dso->loaded |= (1 << type);

}



struct dso *dso__new(const char *name);

void dso__delete(struct dso *dso);



void dso__set_short_name(struct dso *dso, const char *name);

void dso__set_long_name(struct dso *dso, char *name);



int dso__name_len(const struct dso *dso);



bool dso__loaded(const struct dso *dso, enum map_type type);



bool dso__sorted_by_name(const struct dso *dso, enum map_type type);

void dso__set_sorted_by_name(struct dso *dso, enum map_type type);

void dso__sort_by_name(struct dso *dso, enum map_type type);



void dso__set_build_id(struct dso *dso, void *build_id);

bool dso__build_id_equal(const struct dso *dso, u8 *build_id);

void dso__read_running_kernel_build_id(struct dso *dso,

				       struct machine *machine);

int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);



char dso__symtab_origin(const struct dso *dso);

int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,

			  char *root_dir, char *file, size_t size);



int dso__data_fd(struct dso *dso, struct machine *machine);

ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,

			      u64 offset, u8 *data, ssize_t size);

ssize_t dso__data_read_addr(struct dso *dso, struct map *map,

			    struct machine *machine, u64 addr,

			    u8 *data, ssize_t size);



struct map *dso__new_map(const char *name);

struct dso *dso__kernel_findnew(struct machine *machine, const char *name,

				const char *short_name, int dso_type);



void dsos__add(struct list_head *head, struct dso *dso);

struct dso *dsos__find(struct list_head *head, const char *name);

struct dso *__dsos__findnew(struct list_head *head, const char *name);

bool __dsos__read_build_ids(struct list_head *head, bool with_hits);



size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,

			       bool with_hits);

size_t __dsos__fprintf(struct list_head *head, FILE *fp);



size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);

size_t dso__fprintf_symbols_by_name(struct dso *dso,

				    enum map_type type, FILE *fp);

size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);

#endif /* __PERF_DSO */

tools/perf/util/symbol.c

+2 −597

File changed.

Preview size limit exceeded, changes collapsed.

tools/perf/util/symbol.h

+5 −129
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#include <elf.h>

#endif



#include "dso.h"



#ifdef HAVE_CPLUS_DEMANGLE

extern char *cplus_demangle(const char *, int);
@@ -70,6 +72,7 @@ struct symbol { 
};



void symbol__delete(struct symbol *sym);

void symbols__delete(struct rb_root *symbols);



static inline size_t symbol__size(const struct symbol *sym)

{
@@ -160,70 +163,6 @@ struct addr_location { 
	s32	      cpu;

};



enum dso_binary_type {

	DSO_BINARY_TYPE__KALLSYMS = 0,

	DSO_BINARY_TYPE__GUEST_KALLSYMS,

	DSO_BINARY_TYPE__VMLINUX,

	DSO_BINARY_TYPE__GUEST_VMLINUX,

	DSO_BINARY_TYPE__JAVA_JIT,

	DSO_BINARY_TYPE__DEBUGLINK,

	DSO_BINARY_TYPE__BUILD_ID_CACHE,

	DSO_BINARY_TYPE__FEDORA_DEBUGINFO,

	DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,

	DSO_BINARY_TYPE__BUILDID_DEBUGINFO,

	DSO_BINARY_TYPE__SYSTEM_PATH_DSO,

	DSO_BINARY_TYPE__GUEST_KMODULE,

	DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,

	DSO_BINARY_TYPE__NOT_FOUND,

};



enum dso_kernel_type {

	DSO_TYPE_USER = 0,

	DSO_TYPE_KERNEL,

	DSO_TYPE_GUEST_KERNEL

};



enum dso_swap_type {

	DSO_SWAP__UNSET,

	DSO_SWAP__NO,

	DSO_SWAP__YES,

};



#define DSO__DATA_CACHE_SIZE 4096

#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)



struct dso_cache {

	struct rb_node	rb_node;

	u64 offset;

	u64 size;

	char data[0];

};



struct dso {

	struct list_head node;

	struct rb_root	 symbols[MAP__NR_TYPES];

	struct rb_root	 symbol_names[MAP__NR_TYPES];

	struct rb_root	 cache;

	enum dso_kernel_type	kernel;

	enum dso_swap_type	needs_swap;

	enum dso_binary_type	symtab_type;

	enum dso_binary_type	data_type;

	u8		 adjust_symbols:1;

	u8		 has_build_id:1;

	u8		 hit:1;

	u8		 annotate_warned:1;

	u8		 sname_alloc:1;

	u8		 lname_alloc:1;

	u8		 sorted_by_name;

	u8		 loaded;

	u8		 build_id[BUILD_ID_SIZE];

	const char	 *short_name;

	char	 	 *long_name;

	u16		 long_name_len;

	u16		 short_name_len;

	char		 name[0];

};



struct symsrc {

	char *name;

	int fd;
@@ -254,47 +193,6 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, 
bool symsrc__has_symtab(struct symsrc *ss);

bool symsrc__possibly_runtime(struct symsrc *ss);



#define DSO__SWAP(dso, type, val)			\

({							\

	type ____r = val;				\

	BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);	\

	if (dso->needs_swap == DSO_SWAP__YES) {		\

		switch (sizeof(____r)) {		\

		case 2:					\

			____r = bswap_16(val);		\

			break;				\

		case 4:					\

			____r = bswap_32(val);		\

			break;				\

		case 8:					\

			____r = bswap_64(val);		\

			break;				\

		default:				\

			BUG_ON(1);			\

		}					\

	}						\

	____r;						\

})



struct dso *dso__new(const char *name);

void dso__delete(struct dso *dso);



int dso__name_len(const struct dso *dso);



bool dso__loaded(const struct dso *dso, enum map_type type);

bool dso__sorted_by_name(const struct dso *dso, enum map_type type);



static inline void dso__set_loaded(struct dso *dso, enum map_type type)

{

	dso->loaded |= (1 << type);

}



void dso__sort_by_name(struct dso *dso, enum map_type type);



void dsos__add(struct list_head *head, struct dso *dso);

struct dso *dsos__find(struct list_head *head, const char *name);

struct dso *__dsos__findnew(struct list_head *head, const char *name);



int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);

int dso__load_vmlinux(struct dso *dso, struct map *map,

		      const char *vmlinux, symbol_filter_t filter);
@@ -307,25 +205,12 @@ int machine__load_kallsyms(struct machine *machine, const char *filename, 
int machine__load_vmlinux_path(struct machine *machine, enum map_type type,

			       symbol_filter_t filter);



size_t __dsos__fprintf(struct list_head *head, FILE *fp);



size_t machine__fprintf_dsos_buildid(struct machine *machine,

				     FILE *fp, bool with_hits);

size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);

size_t machines__fprintf_dsos_buildid(struct rb_root *machines,

				      FILE *fp, bool with_hits);

size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);

size_t dso__fprintf_symbols_by_name(struct dso *dso,

				    enum map_type type, FILE *fp);

size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);



char dso__symtab_origin(const struct dso *dso);

void dso__set_long_name(struct dso *dso, char *name);

void dso__set_build_id(struct dso *dso, void *build_id);

bool dso__build_id_equal(const struct dso *dso, u8 *build_id);

void dso__read_running_kernel_build_id(struct dso *dso,

				       struct machine *machine);

struct map *dso__new_map(const char *name);



struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,

				u64 addr);

struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
@@ -333,7 +218,6 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, 


int filename__read_build_id(const char *filename, void *bf, size_t size);

int sysfs__read_build_id(const char *filename, void *bf, size_t size);

bool __dsos__read_build_ids(struct list_head *head, bool with_hits);

int kallsyms__parse(const char *filename, void *arg,

		    int (*process_symbol)(void *arg, const char *name,

					  char type, u64 start));
@@ -355,19 +239,11 @@ struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name); 
size_t symbol__fprintf_symname_offs(const struct symbol *sym,

				    const struct addr_location *al, FILE *fp);

size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);

size_t symbol__fprintf(struct symbol *sym, FILE *fp);

bool symbol_type__is_a(char symbol_type, enum map_type map_type);



size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);



int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,

			  char *root_dir, char *file, size_t size);



int dso__data_fd(struct dso *dso, struct machine *machine);

ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,

			      u64 offset, u8 *data, ssize_t size);

ssize_t dso__data_read_addr(struct dso *dso, struct map *map,

			    struct machine *machine, u64 addr,

			    u8 *data, ssize_t size);

int dso__test_data(void);

int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,

		  struct symsrc *runtime_ss, symbol_filter_t filter,