62 lines
1.4 KiB
Diff
62 lines
1.4 KiB
Diff
--- a/compiler-rt/lib/xray/xray_powerpc64.inc
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+++ b/compiler-rt/lib/xray/xray_powerpc64.inc
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@@ -12,7 +12,13 @@
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#include <cstdint>
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#include <mutex>
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+#ifdef __GLIBC__
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#include <sys/platform/ppc.h>
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+#else
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+#include <cctype>
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+#include <cstring>
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+#include <cstdlib>
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+#endif
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#include "xray_defs.h"
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@@ -20,13 +26,45 @@ namespace __xray {
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ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
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CPU = 0;
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+#ifdef __GLIBC__
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return __ppc_get_timebase();
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+#else
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+ return __builtin_ppc_get_timebase();
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+#endif
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}
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inline uint64_t getTSCFrequency() XRAY_NEVER_INSTRUMENT {
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static std::mutex M;
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std::lock_guard<std::mutex> Guard(M);
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+#ifdef __GLIBC__
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return __ppc_get_timebase_freq();
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+#else
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+ /* FIXME: a less dirty implementation? */
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+ static uint64_t base;
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+ if (!base) {
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+ FILE *f = fopen("/proc/cpuinfo", "rb");
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+ if (f) {
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+ ssize_t nr;
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+ /* virtually always big enough to hold the line */
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+ char buf[512];
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+ while (fgets(buf, sizeof(buf), f)) {
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+ char *ret = strstr(buf, "timebase");
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+ if (!ret) {
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+ continue;
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+ }
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+ ret += sizeof("timebase") - 1;
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+ ret = strchr(ret, ':');
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+ if (!ret) {
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+ continue;
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+ }
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+ base = strtoul(ret + 1, nullptr, 10);
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+ break;
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+ }
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+ fclose(f);
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+ }
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+ }
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+ return base;
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+#endif
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}
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inline bool probeRequiredCPUFeatures() XRAY_NEVER_INSTRUMENT {
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