static telf_status
symentryfs_gen_info(telf_obj *obj,
Elf64_Sym *sym,
char **bufp,
size_t *buf_lenp)
{
char *symname = NULL;
char *buf = NULL;
size_t buf_len = 0;
char tmpbuf[1024] = "";
telf_status ret;
/* default value */
symname = "NONAME";
if (sym->st_name) {
symname = ((ELF_SECTION_SYMTAB == obj->parent->type) ?
elf_getsymname :
elf_getdsymname)(obj->ctx, sym);
if (! symname || ! *symname)
symname = "UNRESOLVED";
}
buf_len = sprintf(tmpbuf,
"value: %p\n"
"size: %zu\n"
"type: %s\n"
"bind: %s\n"
"name: %s\n",
(void *) sym->st_value,
sym->st_size,
sym_type_to_str(sym),
sym_bind_to_str(sym),
symname);
if (bufp) {
buf = malloc(buf_len + 1);
if (! buf) {
ERR("malloc: %s", strerror(errno));
ret = ELF_ENOMEM;
goto end;
}
strncpy(buf, tmpbuf, buf_len);
buf[buf_len] = 0;
}
ret = ELF_SUCCESS;
end:
if (bufp)
*bufp = buf;
else
free(buf);
if (buf_lenp)
*buf_lenp = buf_len;
return ret;
}
static telf_status
symentryfs_read_info(void *obj_hdl,
char **bufp,
size_t *buf_lenp)
{
telf_obj *obj = obj_hdl;
char *symname = NULL;
char *buf = NULL;
size_t buf_len = 0;
telf_status ret;
FILE *out = NULL;
ElfW(Sym) *sym = obj->parent->data;
/* default value */
symname = "NONAME";
if (sym->st_name) {
symname = ((ELF_SECTION_SYMTAB == obj->parent->type) ?
elf_getsymname :
elf_getdsymname)(obj->ctx, sym);
if (! symname || ! *symname)
symname = "UNRESOLVED";
}
out = open_memstream(&buf, &buf_len);
if (! out) {
ERR("open_memstream: %s", strerror(errno));
ret = ELF_ENOMEM;
goto end;
}
fprintf(out,
"value: %p\n"
"size: %zu\n"
"type: %s\n"
"bind: %s\n"
"name: %s\n",
(void *) sym->st_value,
sym->st_size,
sym_type_to_str(sym),
sym_bind_to_str(sym),
symname);
ret = ELF_SUCCESS;
end:
if (out)
fclose(out);
if (bufp)
*bufp = buf;
else
free(buf);
if (buf_lenp)
*buf_lenp = buf_len;
return ret;
}
