diff options
-rw-r--r-- | sys-utils/lscpu.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c index 3e3fbbeb6..6b6082fbf 100644 --- a/sys-utils/lscpu.c +++ b/sys-utils/lscpu.c @@ -330,9 +330,19 @@ static inline void cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx) { - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), + __asm__( +#if defined(__PIC__) && defined(__i386__) + /* x86 PIC cannot clobber ebx -- gcc bitches */ + "pushl %%ebx;" + "cpuid;" + "movl %%ebx, %%esi;" + "popl %%ebx;" + : "=S" (*ebx), +#else + "cpuid;" + : "=b" (*ebx), +#endif + "=a" (*eax), "=c" (*ecx), "=d" (*edx) : "0" (op), "c"(0)); |