Merge tag 'disintegrate-mips-20121009' of git://git.infradead.org/users/dhowells/linux-headers into mips-for-linux-next

UAPI Disintegration 2012-10-09

Patchwork: https://patchwork.linux-mips.org/patch/4414/

1 files changed, 116 insertions, 0 deletions

diff --git a/arch/mips/include/uapi/asm/ptrace.h b/arch/mips/include/uapi/asm/ptrace.h
new file mode 100644
index 000000000000..1bc1f52f40d7
--- /dev/null
+++ b/arch/mips/include/uapi/asm/ptrace.h
@@ -0,0 +1,116 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _UAPI_ASM_PTRACE_H
+#define _UAPI_ASM_PTRACE_H
+
+/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
+#define FPR_BASE	32
+#define PC		64
+#define CAUSE		65
+#define BADVADDR	66
+#define MMHI		67
+#define MMLO		68
+#define FPC_CSR		69
+#define FPC_EIR		70
+#define DSP_BASE	71		/* 3 more hi / lo register pairs */
+#define DSP_CONTROL	77
+#define ACX		78
+
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ */
+struct pt_regs {
+#ifdef CONFIG_32BIT
+	/* Pad bytes for argument save space on the stack. */
+	unsigned long pad0[6];
+#endif
+
+	/* Saved main processor registers. */
+	unsigned long regs[32];
+
+	/* Saved special registers. */
+	unsigned long cp0_status;
+	unsigned long hi;
+	unsigned long lo;
+#ifdef CONFIG_CPU_HAS_SMARTMIPS
+	unsigned long acx;
+#endif
+	unsigned long cp0_badvaddr;
+	unsigned long cp0_cause;
+	unsigned long cp0_epc;
+#ifdef CONFIG_MIPS_MT_SMTC
+	unsigned long cp0_tcstatus;
+#endif /* CONFIG_MIPS_MT_SMTC */
+#ifdef CONFIG_CPU_CAVIUM_OCTEON
+	unsigned long long mpl[3];        /* MTM{0,1,2} */
+	unsigned long long mtp[3];        /* MTP{0,1,2} */
+#endif
+} __attribute__ ((aligned (8)));
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS		12
+#define PTRACE_SETREGS		13
+#define PTRACE_GETFPREGS		14
+#define PTRACE_SETFPREGS		15
+/* #define PTRACE_GETFPXREGS		18 */
+/* #define PTRACE_SETFPXREGS		19 */
+
+#define PTRACE_OLDSETOPTIONS	21
+
+#define PTRACE_GET_THREAD_AREA	25
+#define PTRACE_SET_THREAD_AREA	26
+
+/* Calls to trace a 64bit program from a 32bit program.  */
+#define PTRACE_PEEKTEXT_3264	0xc0
+#define PTRACE_PEEKDATA_3264	0xc1
+#define PTRACE_POKETEXT_3264	0xc2
+#define PTRACE_POKEDATA_3264	0xc3
+#define PTRACE_GET_THREAD_AREA_3264	0xc4
+
+/* Read and write watchpoint registers.  */
+enum pt_watch_style {
+	pt_watch_style_mips32,
+	pt_watch_style_mips64
+};
+struct mips32_watch_regs {
+	unsigned int watchlo[8];
+	/* Lower 16 bits of watchhi. */
+	unsigned short watchhi[8];
+	/* Valid mask and I R W bits.
+	 * bit 0 -- 1 if W bit is usable.
+	 * bit 1 -- 1 if R bit is usable.
+	 * bit 2 -- 1 if I bit is usable.
+	 * bits 3 - 11 -- Valid watchhi mask bits.
+	 */
+	unsigned short watch_masks[8];
+	/* The number of valid watch register pairs.  */
+	unsigned int num_valid;
+} __attribute__((aligned(8)));
+
+struct mips64_watch_regs {
+	unsigned long long watchlo[8];
+	unsigned short watchhi[8];
+	unsigned short watch_masks[8];
+	unsigned int num_valid;
+} __attribute__((aligned(8)));
+
+struct pt_watch_regs {
+	enum pt_watch_style style;
+	union {
+		struct mips32_watch_regs mips32;
+		struct mips64_watch_regs mips64;
+	};
+};
+
+#define PTRACE_GET_WATCH_REGS	0xd0
+#define PTRACE_SET_WATCH_REGS	0xd1
+
+
+#endif /* _UAPI_ASM_PTRACE_H */