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authorJan Kratochvil <jan.kratochvil@redhat.com>2013-06-21 15:40:19 +0000
committerJan Kratochvil <jan.kratochvil@redhat.com>2013-06-21 15:40:19 +0000
commit4353c9e6f6e063a96d46cc6bea14d7d20d369407 (patch)
tree53f7465ce21dfc2e5a20f32df1eec0771d284460
parent34c911a458060dc30f1745f898f788d547d5f390 (diff)
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* common/linux-btrace.c (cpu_supports_btrace): Remove variable vendor, replace strcmp with signature_INTEL_ebx, signature_INTEL_ecx and signature_INTEL_edx comparisons.
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/common/linux-btrace.c9
2 files changed, 8 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index bb5f2fb..a8fae71 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gdb/common/linux-btrace.c b/gdb/common/linux-btrace.c
index 0ec13bb..b874c84 100644
--- a/gdb/common/linux-btrace.c
+++ b/gdb/common/linux-btrace.c
@@ -382,17 +382,12 @@ static int
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. */