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D50732.id160072.diff
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D50732.id160072.diff
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diff --git a/lib/libsys/amd64/amd64_get_fsbase.c b/lib/libsys/amd64/amd64_get_fsbase.c
--- a/lib/libsys/amd64/amd64_get_fsbase.c
+++ b/lib/libsys/amd64/amd64_get_fsbase.c
@@ -30,7 +30,6 @@
* SUCH DAMAGE.
*/
-#define _WANT_P_OSREL
#include <sys/param.h>
#include <machine/cpufunc.h>
#include <machine/specialreg.h>
@@ -41,7 +40,6 @@
static int
amd64_get_fsbase_cpu(void **addr)
{
-
*addr = (void *)rdfsbase();
return (0);
}
@@ -49,15 +47,12 @@
static int
amd64_get_fsbase_syscall(void **addr)
{
-
return (sysarch(AMD64_GET_FSBASE, addr));
}
DEFINE_UIFUNC(, int, amd64_get_fsbase, (void **))
{
-
- if (__getosreldate() >= P_OSREL_WRFSBASE &&
- (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
+ if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
return (amd64_get_fsbase_cpu);
return (amd64_get_fsbase_syscall);
}
diff --git a/lib/libsys/amd64/amd64_get_gsbase.c b/lib/libsys/amd64/amd64_get_gsbase.c
--- a/lib/libsys/amd64/amd64_get_gsbase.c
+++ b/lib/libsys/amd64/amd64_get_gsbase.c
@@ -30,7 +30,6 @@
* SUCH DAMAGE.
*/
-#define _WANT_P_OSREL
#include <sys/param.h>
#include <machine/cpufunc.h>
#include <machine/specialreg.h>
@@ -41,7 +40,6 @@
static int
amd64_get_gsbase_cpu(void **addr)
{
-
*addr = (void *)rdgsbase();
return (0);
}
@@ -49,15 +47,12 @@
static int
amd64_get_gsbase_syscall(void **addr)
{
-
return (sysarch(AMD64_GET_GSBASE, addr));
}
DEFINE_UIFUNC(, int, amd64_get_gsbase, (void **))
{
-
- if (__getosreldate() >= P_OSREL_WRFSBASE &&
- (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
+ if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
return (amd64_get_gsbase_cpu);
return (amd64_get_gsbase_syscall);
}
diff --git a/lib/libsys/amd64/amd64_set_fsbase.c b/lib/libsys/amd64/amd64_set_fsbase.c
--- a/lib/libsys/amd64/amd64_set_fsbase.c
+++ b/lib/libsys/amd64/amd64_set_fsbase.c
@@ -30,7 +30,6 @@
* SUCH DAMAGE.
*/
-#define _WANT_P_OSREL
#include <sys/param.h>
#include <machine/cpufunc.h>
#include <machine/specialreg.h>
@@ -41,7 +40,6 @@
static int
amd64_set_fsbase_cpu(void *addr)
{
-
wrfsbase((uintptr_t)addr);
return (0);
}
@@ -49,15 +47,12 @@
static int
amd64_set_fsbase_syscall(void *addr)
{
-
return (sysarch(AMD64_SET_FSBASE, &addr));
}
DEFINE_UIFUNC(, int, amd64_set_fsbase, (void *))
{
-
- if (__getosreldate() >= P_OSREL_WRFSBASE &&
- (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
+ if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
return (amd64_set_fsbase_cpu);
return (amd64_set_fsbase_syscall);
}
diff --git a/lib/libsys/amd64/amd64_set_gsbase.c b/lib/libsys/amd64/amd64_set_gsbase.c
--- a/lib/libsys/amd64/amd64_set_gsbase.c
+++ b/lib/libsys/amd64/amd64_set_gsbase.c
@@ -30,7 +30,6 @@
* SUCH DAMAGE.
*/
-#define _WANT_P_OSREL
#include <sys/param.h>
#include <machine/cpufunc.h>
#include <machine/specialreg.h>
@@ -41,7 +40,6 @@
static int
amd64_set_gsbase_cpu(void *addr)
{
-
wrgsbase((uintptr_t)addr);
return (0);
}
@@ -49,15 +47,12 @@
static int
amd64_set_gsbase_syscall(void *addr)
{
-
return (sysarch(AMD64_SET_GSBASE, &addr));
}
DEFINE_UIFUNC(, int, amd64_set_gsbase, (void *))
{
-
- if (__getosreldate() >= P_OSREL_WRFSBASE &&
- (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
+ if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
return (amd64_set_gsbase_cpu);
return (amd64_set_gsbase_syscall);
}
diff --git a/libexec/rtld-elf/amd64/reloc.c b/libexec/rtld-elf/amd64/reloc.c
--- a/libexec/rtld-elf/amd64/reloc.c
+++ b/libexec/rtld-elf/amd64/reloc.c
@@ -548,8 +548,7 @@
*/
if (__getosreldate() >= P_OSREL_TLSBASE)
sysarch(AMD64_SET_TLSBASE, &addr);
- else if (__getosreldate() >= P_OSREL_WRFSBASE &&
- (cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
+ else if ((cpu_stdext_feature & CPUID_STDEXT_FSGSBASE) != 0)
wrfsbase((uintptr_t)addr);
else
sysarch(AMD64_SET_FSBASE, &addr);
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D50732: amd64: assume the kernel supports RDFSBASE and RDGSBASE
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