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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:36:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 12:36:04 +0000
commitb09c6d56832eb1718c07d74abf3bc6ae3fe4e030 (patch)
treed2caec2610d4ea887803ec9e9c3cd77136c448ba /dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c
parentInitial commit. (diff)
downloadicingadb-upstream.tar.xz
icingadb-upstream.zip
Adding upstream version 1.1.0.upstream/1.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c')
-rw-r--r--dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c
new file mode 100644
index 0000000..a4605e6
--- /dev/null
+++ b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/cpu/cpu_gccgo_x86.c
@@ -0,0 +1,38 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build 386 amd64 amd64p32
+// +build gccgo
+
+#include <cpuid.h>
+#include <stdint.h>
+#include <x86intrin.h>
+
+// Need to wrap __get_cpuid_count because it's declared as static.
+int
+gccgoGetCpuidCount(uint32_t leaf, uint32_t subleaf,
+ uint32_t *eax, uint32_t *ebx,
+ uint32_t *ecx, uint32_t *edx)
+{
+ return __get_cpuid_count(leaf, subleaf, eax, ebx, ecx, edx);
+}
+
+#pragma GCC diagnostic ignored "-Wunknown-pragmas"
+#pragma GCC push_options
+#pragma GCC target("xsave")
+#pragma clang attribute push (__attribute__((target("xsave"))), apply_to=function)
+
+// xgetbv reads the contents of an XCR (Extended Control Register)
+// specified in the ECX register into registers EDX:EAX.
+// Currently, the only supported value for XCR is 0.
+void
+gccgoXgetbv(uint32_t *eax, uint32_t *edx)
+{
+ uint64_t v = _xgetbv(0);
+ *eax = v & 0xffffffff;
+ *edx = v >> 32;
+}
+
+#pragma clang attribute pop
+#pragma GCC pop_options