From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/tools/perf/util/symbol.h | 187 +++++++++-------------------------------------
1 files changed, 37 insertions(+), 150 deletions(-)
diff --git a/kernel/tools/perf/util/symbol.h b/kernel/tools/perf/util/symbol.h
index 76ef2fa..28721d7 100644
--- a/kernel/tools/perf/util/symbol.h
+++ b/kernel/tools/perf/util/symbol.h
@@ -3,18 +3,15 @@
#define __PERF_SYMBOL 1
#include <linux/types.h>
+#include <linux/refcount.h>
#include <stdbool.h>
#include <stdint.h>
-#include "map.h"
-#include "../perf.h"
#include <linux/list.h>
#include <linux/rbtree.h>
#include <stdio.h>
-#include <byteswap.h>
-#include <libgen.h>
-#include "build-id.h"
-#include "event.h"
#include "path.h"
+#include "symbol_conf.h"
+#include "spark.h"
#ifdef HAVE_LIBELF_SUPPORT
#include <libelf.h>
@@ -22,13 +19,17 @@
#endif
#include <elf.h>
-#include "dso.h"
+struct dso;
+struct map;
+struct maps;
+struct option;
+struct build_id;
/*
* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
* for newer versions we can use mmap to reduce memory usage:
*/
-#ifdef HAVE_LIBELF_MMAP_SUPPORT
+#ifdef ELF_C_READ_MMAP
# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
#else
# define PERF_ELF_C_READ_MMAP ELF_C_READ
@@ -38,15 +39,6 @@
Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
GElf_Shdr *shp, const char *name, size_t *idx);
#endif
-
-#ifndef DMGL_PARAMS
-#define DMGL_NO_OPTS 0 /* For readability... */
-#define DMGL_PARAMS (1 << 0) /* Include function args */
-#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
-#endif
-
-#define DSO__NAME_KALLSYMS "[kernel.kallsyms]"
-#define DSO__NAME_KCORE "[kernel.kcore]"
/** struct symbol - symtab entry
*
@@ -63,11 +55,12 @@
u8 ignore:1;
u8 inlined:1;
u8 arch_sym;
- char name[0];
+ bool annotate2;
+ char name[];
};
void symbol__delete(struct symbol *sym);
-void symbols__delete(struct rb_root *symbols);
+void symbols__delete(struct rb_root_cached *symbols);
/* symbols__for_each_entry - iterate over symbols (rb_root)
*
@@ -76,7 +69,7 @@
* @nd: the 'struct rb_node *' to use as a temporary storage
*/
#define symbols__for_each_entry(symbols, pos, nd) \
- for (nd = rb_first(symbols); \
+ for (nd = rb_first_cached(symbols); \
nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
nd = rb_next(nd))
@@ -87,68 +80,6 @@
struct strlist;
struct intlist;
-
-struct symbol_conf {
- unsigned short priv_size;
- bool try_vmlinux_path,
- init_annotation,
- force,
- ignore_vmlinux,
- ignore_vmlinux_buildid,
- show_kernel_path,
- use_modules,
- allow_aliases,
- sort_by_name,
- show_nr_samples,
- show_total_period,
- use_callchain,
- cumulate_callchain,
- show_branchflag_count,
- exclude_other,
- show_cpu_utilization,
- initialized,
- kptr_restrict,
- event_group,
- demangle,
- demangle_kernel,
- filter_relative,
- show_hist_headers,
- branch_callstack,
- has_filter,
- show_ref_callgraph,
- hide_unresolved,
- raw_trace,
- report_hierarchy,
- inline_name;
- const char *vmlinux_name,
- *kallsyms_name,
- *source_prefix,
- *field_sep;
- const char *default_guest_vmlinux_name,
- *default_guest_kallsyms,
- *default_guest_modules;
- const char *guestmount;
- const char *dso_list_str,
- *comm_list_str,
- *pid_list_str,
- *tid_list_str,
- *sym_list_str,
- *col_width_list_str,
- *bt_stop_list_str;
- struct strlist *dso_list,
- *comm_list,
- *sym_list,
- *dso_from_list,
- *dso_to_list,
- *sym_from_list,
- *sym_to_list,
- *bt_stop_list;
- struct intlist *pid_list,
- *tid_list;
- const char *symfs;
-};
-
-extern struct symbol_conf symbol_conf;
struct symbol_name_rb_node {
struct rb_node rb_node;
@@ -176,37 +107,9 @@
u64 unrelocated_addr;
};
-struct map_symbol {
- struct map *map;
- struct symbol *sym;
-};
-
-struct addr_map_symbol {
- struct map *map;
- struct symbol *sym;
- u64 addr;
- u64 al_addr;
- u64 phys_addr;
-};
-
-struct branch_info {
- struct addr_map_symbol from;
- struct addr_map_symbol to;
- struct branch_flags flags;
- char *srcline_from;
- char *srcline_to;
-};
-
-struct mem_info {
- struct addr_map_symbol iaddr;
- struct addr_map_symbol daddr;
- union perf_mem_data_src data_src;
- refcount_t refcnt;
-};
-
struct addr_location {
- struct machine *machine;
struct thread *thread;
+ struct maps *maps;
struct map *map;
struct symbol *sym;
const char *srcline;
@@ -218,37 +121,6 @@
s32 socket;
};
-struct symsrc {
- char *name;
- int fd;
- enum dso_binary_type type;
-
-#ifdef HAVE_LIBELF_SUPPORT
- Elf *elf;
- GElf_Ehdr ehdr;
-
- Elf_Scn *opdsec;
- size_t opdidx;
- GElf_Shdr opdshdr;
-
- Elf_Scn *symtab;
- GElf_Shdr symshdr;
-
- Elf_Scn *dynsym;
- size_t dynsym_idx;
- GElf_Shdr dynshdr;
-
- bool adjust_symbols;
- bool is_64_bit;
-#endif
-};
-
-void symsrc__destroy(struct symsrc *ss);
-int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
- enum dso_binary_type type);
-bool symsrc__has_symtab(struct symsrc *ss);
-bool symsrc__possibly_runtime(struct symsrc *ss);
-
int dso__load(struct dso *dso, struct map *map);
int dso__load_vmlinux(struct dso *dso, struct map *map,
const char *vmlinux, bool vmlinux_allocated);
@@ -258,6 +130,8 @@
int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map);
void dso__insert_symbol(struct dso *dso,
+ struct symbol *sym);
+void dso__delete_symbol(struct dso *dso,
struct symbol *sym);
struct symbol *dso__find_symbol(struct dso *dso, u64 addr);
@@ -271,8 +145,8 @@
enum dso_type dso__type_fd(int fd);
-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);
+int filename__read_build_id(const char *filename, struct build_id *id);
+int sysfs__read_build_id(const char *filename, struct build_id *bid);
int modules__parse(const char *filename, void *arg,
int (*process_module)(void *arg, const char *name,
u64 start, u64 size));
@@ -302,17 +176,24 @@
int symbol__config_symfs(const struct option *opt __maybe_unused,
const char *dir, int unset __maybe_unused);
+struct symsrc;
+
+#ifdef HAVE_LIBBFD_SUPPORT
+int dso__load_bfd_symbols(struct dso *dso, const char *debugfile);
+#endif
+
int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
struct symsrc *runtime_ss, int kmodule);
int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss);
char *dso__demangle_sym(struct dso *dso, int kmodule, const char *elf_name);
-void __symbols__insert(struct rb_root *symbols, struct symbol *sym, bool kernel);
-void symbols__insert(struct rb_root *symbols, struct symbol *sym);
-void symbols__fixup_duplicate(struct rb_root *symbols);
-void symbols__fixup_end(struct rb_root *symbols);
-void map_groups__fixup_end(struct map_groups *mg);
+void __symbols__insert(struct rb_root_cached *symbols, struct symbol *sym,
+ bool kernel);
+void symbols__insert(struct rb_root_cached *symbols, struct symbol *sym);
+void symbols__fixup_duplicate(struct rb_root_cached *symbols);
+void symbols__fixup_end(struct rb_root_cached *symbols, bool is_kallsyms);
+void maps__fixup_end(struct maps *maps);
typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,
@@ -349,7 +230,6 @@
#define SYMBOL_A 0
#define SYMBOL_B 1
-void arch__symbols__fixup_end(struct symbol *p, struct symbol *c);
int arch__compare_symbol_names(const char *namea, const char *nameb);
int arch__compare_symbol_names_n(const char *namea, const char *nameb,
unsigned int n);
@@ -380,12 +260,19 @@
int cleanup_sdt_note_list(struct list_head *sdt_notes);
int sdt_notes__get_count(struct list_head *start);
+#define SDT_PROBES_SCN ".probes"
#define SDT_BASE_SCN ".stapsdt.base"
#define SDT_NOTE_SCN ".note.stapsdt"
#define SDT_NOTE_TYPE 3
#define SDT_NOTE_NAME "stapsdt"
#define NR_ADDR 3
+enum {
+ SDT_NOTE_IDX_LOC = 0,
+ SDT_NOTE_IDX_BASE,
+ SDT_NOTE_IDX_REFCTR,
+};
+
struct mem_info *mem_info__new(void);
struct mem_info *mem_info__get(struct mem_info *mi);
void mem_info__put(struct mem_info *mi);
--
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