+2013-06-21 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * common/linux-btrace.c (cpu_supports_btrace): Remove variable vendor,
+ replace strcmp with signature_INTEL_ebx, signature_INTEL_ecx and
+ signature_INTEL_edx comparisons.
+
2013-06-20 Doug Evans <dje@google.com>
symtab/15652
cpu_supports_btrace (void)
{
unsigned int ebx, ecx, edx;
- char vendor[13];
if (!i386_cpuid (0, NULL, &ebx, &ecx, &edx))
return 0;
- memcpy (&vendor[0], &ebx, 4);
- memcpy (&vendor[4], &ecx, 4);
- memcpy (&vendor[8], &edx, 4);
- vendor[12] = '\0';
-
- if (strcmp (vendor, "GenuineIntel") == 0)
+ if (ebx == signature_INTEL_ebx && ecx == signature_INTEL_ecx
+ && edx == signature_INTEL_edx)
return intel_supports_btrace ();
/* Don't know about others. Let's assume they do. */