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-rw-r--r--ChangeLog10
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h34
2 files changed, 44 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 0e7f11e211..771debda2f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,16 @@
2012-06-04 H.J. Lu <hongjiu.lu@intel.com>
[BZ #14117]
+ * sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h (FP_XSTATE_MAGIC1):
+ New macro from Linux kernel 3.4.0.
+ (FP_XSTATE_MAGIC2): Likewise.
+ (FP_XSTATE_MAGIC2_SIZE): Likewise.
+ (X86_FXSR_MAGIC): New macro from Linux i386 kernel.
+ (struct _fpx_sw_bytes): New struct.
+ (struct _xsave_hdr): Likewise.
+ (struct _ymmh_state): Likewise.
+ (struct _xstate): Likewise.
+
* sysdeps/unix/sysv/linux/i386/sys/debugreg.h: Removed.
* sysdeps/unix/sysv/linux/i386/sys/reg.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sys/debugreg.h: Renamed to ...
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
index d9ba716bc4..06f36cba4a 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
@@ -22,6 +22,19 @@
# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
#endif
+#define FP_XSTATE_MAGIC1 0x46505853U
+#define FP_XSTATE_MAGIC2 0x46505845U
+#define FP_XSTATE_MAGIC2_SIZE sizeof(FP_XSTATE_MAGIC2)
+
+struct _fpx_sw_bytes
+{
+ __uint32_t magic1;
+ __uint32_t extended_size;
+ __uint64_t xstate_bv;
+ __uint32_t xstate_size;
+ __uint32_t padding[7];
+};
+
struct _fpreg
{
unsigned short significand[4];
@@ -75,6 +88,8 @@ struct _fpstate
# define sigcontext_struct sigcontext
#endif
+#define X86_FXSR_MAGIC 0x0000
+
struct sigcontext
{
unsigned short gs, __gsh;
@@ -157,4 +172,23 @@ struct sigcontext
#endif /* __x86_64__ */
+struct _xsave_hdr
+{
+ __uint64_t xstate_bv;
+ __uint64_t reserved1[2];
+ __uint64_t reserved2[5];
+};
+
+struct _ymmh_state
+{
+ __uint32_t ymmh_space[64];
+};
+
+struct _xstate
+{
+ struct _fpstate fpstate;
+ struct _xsave_hdr xstate_hdr;
+ struct _ymmh_state ymmh;
+};
+
#endif /* _BITS_SIGCONTEXT_H */