Import of Linux/MIPS 2.1.36

1 files changed, 102 insertions, 0 deletions

diff --git a/include/asm-sparc64/sigcontext.h b/include/asm-sparc64/sigcontext.h
new file mode 100644
index 000000000..9d35493d9
--- /dev/null
+++ b/include/asm-sparc64/sigcontext.h
@@ -0,0 +1,102 @@
+/* $Id: sigcontext.h,v 1.4 1997/04/04 00:50:28 davem Exp $ */
+#ifndef __SPARC64_SIGCONTEXT_H
+#define __SPARC64_SIGCONTEXT_H
+
+#include <asm/ptrace.h>
+
+/* XXX This gets exported to userland as well as kernel, it is probably
+ * XXX riddled with many hard to find 32-bit binary compatability issues.
+ * XXX Signals and this file need to be investigated heavily. -DaveM
+ */
+
+#define SUNOS_MAXWIN   31
+
+#ifndef __ASSEMBLY__
+
+/* SunOS system call sigstack() uses this arg. */
+struct sunos_sigstack {
+	unsigned int sig_sp;
+	int onstack_flag;
+};
+
+/* This is what SunOS does, so shall I. */
+struct sigcontext32 {
+	int sigc_onstack;      /* state to restore */
+	int sigc_mask;         /* sigmask to restore */
+	int sigc_sp;           /* stack pointer */
+	int sigc_pc;           /* program counter */
+	int sigc_npc;          /* next program counter */
+	int sigc_psr;          /* for condition codes etc */
+	int sigc_g1;           /* User uses these two registers */
+	int sigc_o0;           /* within the trampoline code. */
+
+	/* Now comes information regarding the users window set
+	 * at the time of the signal.
+	 */
+	int sigc_oswins;       /* outstanding windows */
+
+	/* stack ptrs for each regwin buf */
+	/* XXX 32-bit ptrs pinhead... */
+	unsigned sigc_spbuf[SUNOS_MAXWIN];
+
+	/* Windows to restore after signal */
+	struct reg_window32 sigc_wbuf[SUNOS_MAXWIN];
+};
+
+/* This is what SunOS doesn't, so we have to write this alone. */
+struct sigcontext {
+	int sigc_onstack;      /* state to restore */
+	int sigc_mask;         /* sigmask to restore */
+	int sigc_sp;           /* stack pointer */
+	int sigc_pc;           /* program counter */
+	int sigc_npc;          /* next program counter */
+	int sigc_psr;          /* for condition codes etc */
+	int sigc_g1;           /* User uses these two registers */
+	int sigc_o0;           /* within the trampoline code. */
+
+	/* Now comes information regarding the users window set
+	 * at the time of the signal.
+	 */
+	int sigc_oswins;       /* outstanding windows */
+
+	/* stack ptrs for each regwin buf */
+	char *sigc_spbuf[SUNOS_MAXWIN];
+
+	/* Windows to restore after signal */
+	struct reg_window sigc_wbuf[SUNOS_MAXWIN];
+};
+
+typedef struct {
+	struct pt_regs32	si_regs;
+	int			si_mask;
+} __siginfo32_t;
+
+typedef struct {
+	unsigned int si_float_regs [32];
+	unsigned int si_fsr;
+	unsigned int si_fpqdepth;
+	struct {
+		unsigned int *insn_addr;
+		unsigned int insn;
+	} si_fpqueue [16];
+} __siginfo_fpu32_t;
+
+
+typedef struct {
+	struct     pt_regs si_regs;
+	int si_mask;
+} __siginfo_t;
+
+typedef struct {
+	unsigned   int si_float_regs [64];
+	unsigned   long si_fsr;
+	unsigned   int si_fpqdepth;
+	struct {
+		unsigned int *insn_addr;
+		unsigned int insn;
+	} si_fpqueue [16];
+} __siginfo_fpu_t;
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(__SPARC64_SIGCONTEXT_H) */