Bump linux-headers

These are cached from riscv-linux and have gotten out of date.  The
breaking change was in asm/ptrace.h, but riscv-linux also got bumped so
this is a big commit.

This syncs from e1c1614e7bd2e053e88d0cb875e1a22b27df6e39 in riscv-linux.

3 files changed, 53 insertions, 45 deletions

diff --git a/linux-headers/include/asm/ptrace.h b/linux-headers/include/asm/ptrace.h
index 5e2fbb6..0167fe6 100644
--- a/linux-headers/include/asm/ptrace.h
+++ b/linux-headers/include/asm/ptrace.h
@@ -1,19 +1,55 @@
 #ifndef _ASM_RISCV_PTRACE_H
 #define _ASM_RISCV_PTRACE_H
 
-/* Mirror pt_regs from ptrace.h */
+#ifndef __ASSEMBLY__
 
-typedef struct user_regs_struct {
+#include <linux/types.h>
+
+/* User-mode register state for core dumps, ptrace, sigcontext
+ *
+ * This decouples struct pt_regs from the userspace ABI.
+ * struct user_regs_struct must form a prefix of struct pt_regs.
+ */
+struct user_regs_struct {
 	unsigned long pc;
 	unsigned long ra;
-	unsigned long s[12];
 	unsigned long sp;
-	unsigned long tp;
-	unsigned long v[2];
-	unsigned long a[8];
-	unsigned long t[5];
 	unsigned long gp;
-	unsigned long status;
-} user_regs_struct;
+	unsigned long tp;
+	unsigned long t0;
+	unsigned long t1;
+	unsigned long t2;
+	unsigned long s0;
+	unsigned long s1;
+	unsigned long a0;
+	unsigned long a1;
+	unsigned long a2;
+	unsigned long a3;
+	unsigned long a4;
+	unsigned long a5;
+	unsigned long a6;
+	unsigned long a7;
+	unsigned long s2;
+	unsigned long s3;
+	unsigned long s4;
+	unsigned long s5;
+	unsigned long s6;
+	unsigned long s7;
+	unsigned long s8;
+	unsigned long s9;
+	unsigned long s10;
+	unsigned long s11;
+	unsigned long t3;
+	unsigned long t4;
+	unsigned long t5;
+	unsigned long t6;
+};
+
+struct user_fpregs_struct {
+	__u64 f[32];
+	__u32 fcsr;
+};
+
+#endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_RISCV_PTRACE_H */
diff --git a/linux-headers/include/asm/setup.h b/linux-headers/include/asm/setup.h
index 8ee375d..2fa6777 100644
--- a/linux-headers/include/asm/setup.h
+++ b/linux-headers/include/asm/setup.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_RISCV_SETUP_H
 #define _ASM_RISCV_SETUP_H
 
-
 #include <asm-generic/setup.h>
 
 #endif /* _ASM_RISCV_SETUP_H */
diff --git a/linux-headers/include/asm/sigcontext.h b/linux-headers/include/asm/sigcontext.h
index c762962..1a65e11 100644
--- a/linux-headers/include/asm/sigcontext.h
+++ b/linux-headers/include/asm/sigcontext.h
@@ -1,43 +1,16 @@
 #ifndef _ASM_RISCV_SIGCONTEXT_H
 #define _ASM_RISCV_SIGCONTEXT_H
 
-/* This struct is saved by setup_frame in signal.c, to keep the current
- * context while a signal handler is executed. It is restored by sys_sigreturn.
- */
+#include <asm/ptrace.h>
 
+/* Signal context structure
+ *
+ * This contains the context saved before a signal handler is invoked;
+ * it is restored by sys_sigreturn / sys_rt_sigreturn.
+ */
 struct sigcontext {
-	unsigned long epc;
-	unsigned long ra;
-	unsigned long sp;
-	unsigned long gp;
-	unsigned long tp;
-	unsigned long t0;
-	unsigned long t1;
-	unsigned long t2;
-	unsigned long s0;
-	unsigned long s1;
-	unsigned long a0;
-	unsigned long a1;
-	unsigned long a2;
-	unsigned long a3;
-	unsigned long a4;
-	unsigned long a5;
-	unsigned long a6;
-	unsigned long a7;
-	unsigned long s2;
-	unsigned long s3;
-	unsigned long s4;
-	unsigned long s5;
-	unsigned long s6;
-	unsigned long s7;
-	unsigned long s8;
-	unsigned long s9;
-	unsigned long s10;
-	unsigned long s11;
-	unsigned long t3;
-	unsigned long t4;
-	unsigned long t5;
-	unsigned long t6;
+	struct user_regs_struct sc_regs;
+	struct user_fpregs_struct sc_fpregs;
 };
 
 #endif /* _ASM_RISCV_SIGCONTEXT_H */