int set_arch(const char *pers, unsigned long options)
{
struct utsname un;
int i;
unsigned long pers_value;
struct {
int perval;
const char *target_arch, *result_arch;
} transitions[] = {
{PER_LINUX32, "linux32", NULL},
{PER_LINUX, "linux64", NULL},
#if defined(__powerpc__) || defined(__powerpc64__)
{PER_LINUX32, "ppc32", "ppc"},
{PER_LINUX32, "ppc", "ppc"},
{PER_LINUX, "ppc64", "ppc64"},
{PER_LINUX, "ppc64pseries", "ppc64"},
{PER_LINUX, "ppc64iseries", "ppc64"},
#endif
#if defined(__x86_64__) || defined(__i386__) || defined(__ia64__)
{PER_LINUX32, "i386", "i386"},
{PER_LINUX32, "i486", "i386"},
{PER_LINUX32, "i586", "i386"},
{PER_LINUX32, "i686", "i386"},
{PER_LINUX32, "athlon", "i386"},
#endif
#if defined(__x86_64__) || defined(__i386__)
{PER_LINUX, "x86_64", "x86_64"},
#endif
#if defined(__ia64__) || defined(__i386__)
{PER_LINUX, "ia64", "ia64"},
#endif
#if defined(__hppa__)
{PER_LINUX32, "parisc32", "parisc"},
{PER_LINUX32, "parisc", "parisc"},
{PER_LINUX, "parisc64", "parisc64"},
#endif
#if defined(__s390x__) || defined(__s390__)
{PER_LINUX32, "s390", "s390"},
{PER_LINUX, "s390x", "s390x"},
#endif
#if defined(__sparc64__) || defined(__sparc__)
{PER_LINUX32, "sparc", "sparc"},
{PER_LINUX32, "sparc32bash", "sparc"},
{PER_LINUX32, "sparc32", "sparc"},
{PER_LINUX, "sparc64", "sparc64"},
#endif
#if defined(__mips64__) || defined(__mips__)
{PER_LINUX32, "mips32", "mips"},
{PER_LINUX32, "mips", "mips"},
{PER_LINUX, "mips64", "mips64"},
#endif
#if defined(__alpha__)
{PER_LINUX, "alpha", "alpha"},
{PER_LINUX, "alphaev5", "alpha"},
{PER_LINUX, "alphaev56", "alpha"},
{PER_LINUX, "alphaev6", "alpha"},
{PER_LINUX, "alphaev67", "alpha"},
#endif
{-1, NULL, NULL}
};
for(i = 0; transitions[i].perval >= 0; i++)
if(!strcmp(pers, transitions[i].target_arch))
break;
if(transitions[i].perval < 0)
errx(EXIT_FAILURE, _("%s: Unrecognized architecture"), pers);
pers_value = transitions[i].perval | options;
if (set_pers(pers_value) == -EINVAL)
return 1;
uname(&un);
if(transitions[i].result_arch &&
strcmp(un.machine, transitions[i].result_arch))
{
if(strcmp(transitions[i].result_arch, "i386")
|| (strcmp(un.machine, "i486")
&& strcmp(un.machine, "i586")
&& strcmp(un.machine, "i686")
&& strcmp(un.machine, "athlon")))
errx(EXIT_FAILURE, _("%s: Unrecognized architecture"), pers);
}
return 0;
}
static int
set_arch(const char *pers, unsigned long options, int list)
{
struct utsname un;
int i;
unsigned long pers_value;
struct {
int perval;
const char *target_arch, *result_arch;
} transitions[] = {
{UNAME26, "uname26", NULL},
{PER_LINUX32, "linux32", NULL},
{PER_LINUX, "linux64", NULL},
#if defined(__powerpc__) || defined(__powerpc64__)
#ifdef __BIG_ENDIAN__
{PER_LINUX32, "ppc32", "ppc"},
{PER_LINUX32, "ppc", "ppc"},
{PER_LINUX, "ppc64", "ppc64"},
{PER_LINUX, "ppc64pseries", "ppc64"},
{PER_LINUX, "ppc64iseries", "ppc64"},
#else
{PER_LINUX32, "ppc32le", "ppcle"},
{PER_LINUX32, "ppcle", "ppcle"},
{PER_LINUX, "ppc64le", "ppc64le"},
#endif
#endif
#if defined(__x86_64__) || defined(__i386__) || defined(__ia64__)
{PER_LINUX32, "i386", "i386"},
{PER_LINUX32, "i486", "i386"},
{PER_LINUX32, "i586", "i386"},
{PER_LINUX32, "i686", "i386"},
{PER_LINUX32, "athlon", "i386"},
#endif
#if defined(__x86_64__) || defined(__i386__)
{PER_LINUX, "x86_64", "x86_64"},
#endif
#if defined(__ia64__) || defined(__i386__)
{PER_LINUX, "ia64", "ia64"},
#endif
#if defined(__hppa__)
{PER_LINUX32, "parisc32", "parisc"},
{PER_LINUX32, "parisc", "parisc"},
{PER_LINUX, "parisc64", "parisc64"},
#endif
#if defined(__s390x__) || defined(__s390__)
{PER_LINUX32, "s390", "s390"},
{PER_LINUX, "s390x", "s390x"},
#endif
#if defined(__sparc64__) || defined(__sparc__)
{PER_LINUX32, "sparc", "sparc"},
{PER_LINUX32, "sparc32bash", "sparc"},
{PER_LINUX32, "sparc32", "sparc"},
{PER_LINUX, "sparc64", "sparc64"},
#endif
#if defined(__mips64__) || defined(__mips__)
{PER_LINUX32, "mips32", "mips"},
{PER_LINUX32, "mips", "mips"},
{PER_LINUX, "mips64", "mips64"},
#endif
#if defined(__alpha__)
{PER_LINUX, "alpha", "alpha"},
{PER_LINUX, "alphaev5", "alpha"},
{PER_LINUX, "alphaev56", "alpha"},
{PER_LINUX, "alphaev6", "alpha"},
{PER_LINUX, "alphaev67", "alpha"},
#endif
{-1, NULL, NULL}, /* place holder, eventually filled up at runtime */
{-1, NULL, NULL}
};
/* Add the trivial transition {PER_LINUX, machine, machine} if no such
target_arch is hardcoded yet. */
uname(&un);
for (i = 0; transitions[i].perval >= 0; i++)
if(!strcmp(un.machine, transitions[i].target_arch))
break;
if (transitions[i].perval < 0) {
unsigned long wrdsz = CHAR_BIT * sizeof(void*);
if (wrdsz == 32 || wrdsz == 64) {
transitions[i].perval = wrdsz == 32 ? PER_LINUX32 : PER_LINUX;
transitions[i].target_arch = un.machine;
transitions[i].result_arch = un.machine;
}
}
if (list) {
for(i = 0; transitions[i].target_arch != NULL; i++)
printf("%s\n", transitions[i].target_arch);
return 0;
}
for(i = 0; transitions[i].perval >= 0; i++)
if(!strcmp(pers, transitions[i].target_arch))
break;
if(transitions[i].perval < 0)
errx(EXIT_FAILURE, _("%s: Unrecognized architecture"), pers);
pers_value = transitions[i].perval | options;
if (set_pers(pers_value) == -EINVAL)
return 1;
uname(&un);
if(transitions[i].result_arch &&
strcmp(un.machine, transitions[i].result_arch))
{
if(strcmp(transitions[i].result_arch, "i386")
|| (strcmp(un.machine, "i486")
&& strcmp(un.machine, "i586")
&& strcmp(un.machine, "i686")
&& strcmp(un.machine, "athlon")))
errx(EXIT_FAILURE, _("%s: Unrecognized architecture"), pers);
}
return 0;
}