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core: Allow reusing the symtab already loaded and relocated 

Via cu__for_each_cached_symtab_entry.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-03-30 22:45:55 -03:00
parent 0f97ea0329
commit 6457b396aa
2 changed files with 19 additions and 3 deletions
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1
dwarf_loader.c
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@ -1842,6 +1842,7 @@ static int cus__load_module(struct cus *self, struct conf_load *conf,
if (cu == NULL)
return DWARF_CB_ABORT;
cu->elf = elf;
cu->dwfl = mod;
cu->extra_dbg_info = conf ? conf->extra_dbg_info : 0;
if (die__process(cu_die, cu) != 0)
return DWARF_CB_ABORT;

21
dwarves.h
View File

@ -13,7 +13,7 @@
#include <stdint.h>
#include <stdio.h>
#include <dwarf.h>
#include <elfutils/libdw.h>
#include <elfutils/libdwfl.h>
#include "dutil.h"
#include "list.h"
@ -124,7 +124,8 @@ struct cu {
struct ptr_table tags_table;
char *name;
char *filename;
void *elf;
Elf *elf;
Dwfl_Module *dwfl;
void *priv;
struct cu_orig_info *orig_info;
uint8_t addr_size;
@ -146,11 +147,25 @@ struct cu *cu__new(const char *name, uint8_t addr_size,
const char *filename);
void cu__delete(struct cu *self);
/**
* cu__for_each_cached_symtab_entry - iterate thru the cached symtab entries
* @cu: struct cu instance
* @id: uint32_t tag id
* @pos: struct GElf_Sym iterator
* @name: char pointer where the symbol_name will be stored
*/
#define cu__for_each_cached_symtab_entry(cu, id, pos, name) \
uint32_t n = dwfl_module_getsymtab(cu->dwfl); \
for (id = 1, \
name = dwfl_module_getsym(cu->dwfl, id, &sym, NULL); \
id < n; \
++id, name = dwfl_module_getsym(cu->dwfl, id, &sym, NULL))
/**
* cu__for_each_type - iterate thru all the type tags
* @cu: struct cu instance to iterate
* @pos: struct tag iterator
* @id: uint16_t tag id
* @pos: struct tag iterator
*
* See cu__table_nullify_type_entry and users for the reason for
* the NULL test (hint: CTF Unknown types)