search_binary

函数名称：ycle the list of binary formats handler, until one recognizes the image

函数原型：int search_binary_handler(struct linux_binprm *bprm)

返回类型：int

参数：

类型	参数	名称
struct linux_binprm *	bprm

1637

need_retry等于IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_MODULES)

1642

如果recursion_depth大于5则返回:负ELOOP

1645

retval等于security_bprm_check(bprm)

1646

如果retval则返回:retval

1649

retval等于负ENOENT

1650

retry :

1651

read_lock( & binfmt_lock)

1653

如果非判断模块是否处于活动状态则继续下一循环

1655

read_unlock( & binfmt_lock)

1657

recursion_depth自加

1658

retval等于load_binary(bprm)

1659

recursion_depth自减

1661

read_lock( & binfmt_lock)

1662

put_binfmt(fmt)

1663

如果retval小于0且非mm则

1665

read_unlock( & binfmt_lock)

1666

When things go south during signal handling, we* will force a SIGSEGV. And if the signal that caused* the problem was already a SIGSEGV, we'll want to* make sure we don't even try to deliver the signal..

1667

返回:retval

1669

如果retval不等于负ENOEXEC或非file则

1670

read_unlock( & binfmt_lock)

1671

返回:retval

1674

read_unlock( & binfmt_lock)

1676

如果need_retry则

1677

如果printable(buf[0])且printable(buf[1])且printable(buf[2])且printable(buf[3])则返回:retval

1680

如果request_module("binfmt-%04x", * (ushort * )(buf + 2))小于0则返回:retval

1682

need_retry = false

1683

转到:retry

1686

返回:retval

**调用者**
名称	描述
exec_binprm
load_em86
load_misc_binary	he loader itself
load_script

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