From: Michael Gernoth Date: Sat, 22 May 2010 23:18:13 +0000 (+0200) Subject: Don't overload uname but set personality in library constructor X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/commitdiff_plain/daa4fc041d1e4fdc5fb2834851a6d371ee573c02?ds=sidebyside Don't overload uname but set personality in library constructor This fixes planAhead crashing on startup --- diff --git a/usb-driver.c b/usb-driver.c index 6a7df90..44a280b 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -41,6 +41,8 @@ #include #include #include +#include +#include #include "usb-driver.h" #include "config.h" #include "xpcu.h" @@ -655,24 +657,6 @@ int semop (int __semid, struct sembuf *__sops, size_t __nsops) { } #endif -#if __WORDSIZE == 32 -int uname (struct utsname *__name) { - static int (*func) (struct utsname*); - int ret; - - if (!func) - func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname"); - - ret = (*func)(__name); - - if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) { - strcpy(__name->machine, "i686"); - } - - return ret; -} -#endif - /* * Ugly hack for ISE 12. They don't seem to open /proc/modules with * open() anymore... @@ -683,3 +667,17 @@ int _Z14isModuleLoadedPci(char *module_name, int i) { return 1; } + +static void __attribute__ ((constructor)) libusbdriver_init(void) { + #if __WORDSIZE == 32 + struct utsname un; + int ret; + + ret = uname(&un); + + if (ret == 0 && (!strcmp(un.machine, "x86_64"))) { + DPRINTF("setting 32bit personality\n"); + (long)syscall(SYS_personality, PER_LINUX32); + } + #endif +}