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setarch: add support for '-R' (disable randomization)

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This commit adds support for the -R flag of setarch, which disables
randomization of the virtual address space.

function                                             old     new   delta
setarch_main                                         115     150     +35
packed_usage                                       30664   30651     -13

Signed-off-by: Jan Heylen <heyleke@gmail.com>
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2015-10-19 23:26:50 +02:00
parent 0506e292b5
commit f2ccefb946
4 changed files with 39 additions and 29 deletions
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3
include/applets.src.h
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@@ -192,8 +192,6 @@ IF_KILLALL5(APPLET_ODDNAME(killall5, kill, BB_DIR_USR_SBIN, BB_SUID_DROP, killal
IF_LAST(APPLET(last, BB_DIR_USR_BIN, BB_SUID_DROP))
//IF_LENGTH(APPLET_NOFORK(length, length, BB_DIR_USR_BIN, BB_SUID_DROP, length))
IF_LESS(APPLET(less, BB_DIR_USR_BIN, BB_SUID_DROP))
IF_SETARCH(APPLET_ODDNAME(linux32, setarch, BB_DIR_BIN, BB_SUID_DROP, linux32))
IF_SETARCH(APPLET_ODDNAME(linux64, setarch, BB_DIR_BIN, BB_SUID_DROP, linux64))
IF_LN(APPLET_NOEXEC(ln, ln, BB_DIR_BIN, BB_SUID_DROP, ln))
IF_LOAD_POLICY(APPLET(load_policy, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_LOADFONT(APPLET(loadfont, BB_DIR_USR_SBIN, BB_SUID_DROP))
@@ -274,7 +272,6 @@ IF_SELINUXENABLED(APPLET(selinuxenabled, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_SENDMAIL(APPLET(sendmail, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_SEQ(APPLET_NOFORK(seq, seq, BB_DIR_USR_BIN, BB_SUID_DROP, seq))
IF_SESTATUS(APPLET(sestatus, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_SETARCH(APPLET(setarch, BB_DIR_BIN, BB_SUID_DROP))
IF_SETCONSOLE(APPLET(setconsole, BB_DIR_SBIN, BB_SUID_DROP))
IF_SETENFORCE(APPLET(setenforce, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_SETFILES(APPLET(setfiles, BB_DIR_SBIN, BB_SUID_DROP))