/* Get a Dwarf from offline image */
static int debuginfo__init_offline_dwarf(struct debuginfo *dbg,
const char *path)
{
int fd;
fd = open(path, O_RDONLY);
if (fd < 0)
return fd;
dbg->dwfl = dwfl_begin(&offline_callbacks);
if (!dbg->dwfl)
goto error;
dbg->mod = dwfl_report_offline(dbg->dwfl, "", "", fd);
if (!dbg->mod)
goto error;
dbg->dbg = dwfl_module_getdwarf(dbg->mod, &dbg->bias);
if (!dbg->dbg)
goto error;
return 0;
error:
if (dbg->dwfl)
dwfl_end(dbg->dwfl);
else
close(fd);
memset(dbg, 0, sizeof(*dbg));
return -ENOENT;
}
static int debuginfo__init_offline_dwarf(struct debuginfo *self,
const char *path)
{
Dwfl_Module *mod;
int fd;
fd = open(path, O_RDONLY);
if (fd < 0)
return fd;
self->dwfl = dwfl_begin(&offline_callbacks);
if (!self->dwfl)
goto error;
mod = dwfl_report_offline(self->dwfl, "", "", fd);
if (!mod)
goto error;
self->dbg = dwfl_module_getdwarf(mod, &self->bias);
if (!self->dbg)
goto error;
return 0;
error:
if (self->dwfl)
dwfl_end(self->dwfl);
else
close(fd);
memset(self, 0, sizeof(*self));
return -ENOENT;
}
/* Get a Dwarf from offline image */
static Dwarf *dwfl_init_offline_dwarf(int fd, Dwfl **dwflp, Dwarf_Addr *bias)
{
Dwfl_Module *mod;
Dwarf *dbg = NULL;
if (!dwflp)
return NULL;
*dwflp = dwfl_begin(&offline_callbacks);
if (!*dwflp)
return NULL;
mod = dwfl_report_offline(*dwflp, "", "", fd);
if (!mod)
goto error;
dbg = dwfl_module_getdwarf(mod, bias);
if (!dbg) {
error:
dwfl_end(*dwflp);
*dwflp = NULL;
}
return dbg;
}
