[git commit] Make setarch/linux32/linux64 independently selectable
Denys Vlasenko
vda.linux at googlemail.com
Sun Nov 13 21:56:04 UTC 2016
commit: https://git.busybox.net/busybox/commit/?id=c314ca9016530aae61b4e50242ba6a6e09b2914a
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
util-linux/setarch.c | 29 ++++++++++++++++++++++++-----
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/util-linux/setarch.c b/util-linux/setarch.c
index 2e989ec..ec473e9 100644
--- a/util-linux/setarch.c
+++ b/util-linux/setarch.c
@@ -15,12 +15,28 @@
//config: specified program (usually a shell). It only makes sense to have
//config: this util on a system that supports both 64bit and 32bit userland
//config: (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
+//config:
+//config:config LINUX32
+//config: bool "linux32"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: Alias to "setarch linux32".
+//config:
+//config:config LINUX64
+//config: bool "linux64"
+//config: default y
+//config: select PLATFORM_LINUX
+//config: help
+//config: Alias to "setarch linux64".
//applet:IF_SETARCH(APPLET(setarch, BB_DIR_BIN, BB_SUID_DROP))
-//applet:IF_SETARCH(APPLET_ODDNAME(linux32, setarch, BB_DIR_BIN, BB_SUID_DROP, linux32))
-//applet:IF_SETARCH(APPLET_ODDNAME(linux64, setarch, BB_DIR_BIN, BB_SUID_DROP, linux64))
+//applet:IF_LINUX32(APPLET_ODDNAME(linux32, setarch, BB_DIR_BIN, BB_SUID_DROP, linux32))
+//applet:IF_LINUX64(APPLET_ODDNAME(linux64, setarch, BB_DIR_BIN, BB_SUID_DROP, linux64))
//kbuild:lib-$(CONFIG_SETARCH) += setarch.o
+//kbuild:lib-$(CONFIG_LINUX32) += setarch.o
+//kbuild:lib-$(CONFIG_LINUX64) += setarch.o
//usage:#define setarch_trivial_usage
//usage: "PERSONALITY [-R] PROG ARGS"
@@ -58,12 +74,15 @@ int setarch_main(int argc UNUSED_PARAM, char **argv)
if (ENABLE_SETARCH && applet_name[0] == 's'
&& argv[1] && is_prefixed_with(argv[1], "linux")
) {
- applet_name = argv[1];
argv++;
+ applet_name = argv[0];
}
- if (applet_name[5] == '6') /* linux64 */
+ if ((!ENABLE_SETARCH && !ENABLE_LINUX32) || applet_name[5] == '6')
+ /* linux64 */
pers = PER_LINUX;
- else if (applet_name[5] == '3') /* linux32 */
+ else
+ if ((!ENABLE_SETARCH && !ENABLE_LINUX64) || applet_name[5] == '3')
+ /* linux32 */
pers = PER_LINUX32;
else
bb_show_usage();
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