am 69aa2f8a: Merge "revert ADDR_COMPAT_LAYOUT workaround."

* commit '69aa2f8a0555a5ca37fa78d5cfcbf59d7476d044':
  revert ADDR_COMPAT_LAYOUT workaround.
This commit is contained in:
Nick Kralevich
2013-09-18 14:49:11 -07:00
committed by Android Git Automerger

View File

@ -7,7 +7,6 @@
#define LOG_TAG "appproc"
#include <cutils/properties.h>
#include <binder/IPCThreadState.h>
#include <binder/ProcessState.h>
#include <utils/Log.h>
@ -15,7 +14,6 @@
#include <cutils/memory.h>
#include <cutils/trace.h>
#include <android_runtime/AndroidRuntime.h>
#include <sys/personality.h>
#include <stdlib.h>
#include <stdio.h>
@ -137,33 +135,6 @@ static void setArgv0(const char *argv0, const char *newArgv0)
int main(int argc, char* const argv[])
{
#ifdef __arm__
/*
* b/7188322 - Temporarily revert to the compat memory layout
* to avoid breaking third party apps.
*
* THIS WILL GO AWAY IN A FUTURE ANDROID RELEASE.
*
* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7dbaa466
* changes the kernel mapping from bottom up to top-down.
* This breaks some programs which improperly embed
* an out of date copy of Android's linker.
*/
char value[PROPERTY_VALUE_MAX];
property_get("ro.kernel.qemu", value, "");
bool is_qemu = (strcmp(value, "1") == 0);
if ((getenv("NO_ADDR_COMPAT_LAYOUT_FIXUP") == NULL) && !is_qemu) {
int current = personality(0xFFFFFFFF);
if ((current & ADDR_COMPAT_LAYOUT) == 0) {
personality(current | ADDR_COMPAT_LAYOUT);
setenv("NO_ADDR_COMPAT_LAYOUT_FIXUP", "1", 1);
execv("/system/bin/app_process", argv);
return -1;
}
}
unsetenv("NO_ADDR_COMPAT_LAYOUT_FIXUP");
#endif
// These are global variables in ProcessState.cpp
mArgC = argc;
mArgV = argv;