x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 145 insertions, 0 deletions

diff --git a/arch/x86/include/asm/ptrace-abi.h b/arch/x86/include/asm/ptrace-abi.h
new file mode 100644
index 000000000000..4298b8882a78
--- /dev/null
+++ b/arch/x86/include/asm/ptrace-abi.h
@@ -0,0 +1,145 @@
+#ifndef ASM_X86__PTRACE_ABI_H
+#define ASM_X86__PTRACE_ABI_H
+
+#ifdef __i386__
+
+#define EBX 0
+#define ECX 1
+#define EDX 2
+#define ESI 3
+#define EDI 4
+#define EBP 5
+#define EAX 6
+#define DS 7
+#define ES 8
+#define FS 9
+#define GS 10
+#define ORIG_EAX 11
+#define EIP 12
+#define CS  13
+#define EFL 14
+#define UESP 15
+#define SS   16
+#define FRAME_SIZE 17
+
+#else /* __i386__ */
+
+#if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
+#define R15 0
+#define R14 8
+#define R13 16
+#define R12 24
+#define RBP 32
+#define RBX 40
+/* arguments: interrupts/non tracing syscalls only save upto here*/
+#define R11 48
+#define R10 56
+#define R9 64
+#define R8 72
+#define RAX 80
+#define RCX 88
+#define RDX 96
+#define RSI 104
+#define RDI 112
+#define ORIG_RAX 120       /* = ERROR */
+/* end of arguments */
+/* cpu exception frame or undefined in case of fast syscall. */
+#define RIP 128
+#define CS 136
+#define EFLAGS 144
+#define RSP 152
+#define SS 160
+#define ARGOFFSET R11
+#endif /* __ASSEMBLY__ */
+
+/* top of stack page */
+#define FRAME_SIZE 168
+
+#endif /* !__i386__ */
+
+/* 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
+
+/* only useful for access 32bit programs / kernels */
+#define PTRACE_GET_THREAD_AREA    25
+#define PTRACE_SET_THREAD_AREA    26
+
+#ifdef __x86_64__
+# define PTRACE_ARCH_PRCTL	  30
+#endif
+
+#define PTRACE_SYSEMU		  31
+#define PTRACE_SYSEMU_SINGLESTEP  32
+
+#define PTRACE_SINGLEBLOCK	33	/* resume execution until next branch */
+
+#ifdef CONFIG_X86_PTRACE_BTS
+
+#ifndef __ASSEMBLY__
+#include <asm/types.h>
+
+/* configuration/status structure used in PTRACE_BTS_CONFIG and
+   PTRACE_BTS_STATUS commands.
+*/
+struct ptrace_bts_config {
+	/* requested or actual size of BTS buffer in bytes */
+	__u32 size;
+	/* bitmask of below flags */
+	__u32 flags;
+	/* buffer overflow signal */
+	__u32 signal;
+	/* actual size of bts_struct in bytes */
+	__u32 bts_size;
+};
+#endif /* __ASSEMBLY__ */
+
+#define PTRACE_BTS_O_TRACE	0x1 /* branch trace */
+#define PTRACE_BTS_O_SCHED	0x2 /* scheduling events w/ jiffies */
+#define PTRACE_BTS_O_SIGNAL     0x4 /* send SIG<signal> on buffer overflow
+				       instead of wrapping around */
+#define PTRACE_BTS_O_ALLOC	0x8 /* (re)allocate buffer */
+
+#define PTRACE_BTS_CONFIG	40
+/* Configure branch trace recording.
+   ADDR points to a struct ptrace_bts_config.
+   DATA gives the size of that buffer.
+   A new buffer is allocated, if requested in the flags.
+   An overflow signal may only be requested for new buffers.
+   Returns the number of bytes read.
+*/
+#define PTRACE_BTS_STATUS	41
+/* Return the current configuration in a struct ptrace_bts_config
+   pointed to by ADDR; DATA gives the size of that buffer.
+   Returns the number of bytes written.
+*/
+#define PTRACE_BTS_SIZE		42
+/* Return the number of available BTS records for draining.
+   DATA and ADDR are ignored.
+*/
+#define PTRACE_BTS_GET		43
+/* Get a single BTS record.
+   DATA defines the index into the BTS array, where 0 is the newest
+   entry, and higher indices refer to older entries.
+   ADDR is pointing to struct bts_struct (see asm/ds.h).
+*/
+#define PTRACE_BTS_CLEAR	44
+/* Clear the BTS buffer.
+   DATA and ADDR are ignored.
+*/
+#define PTRACE_BTS_DRAIN	45
+/* Read all available BTS records and clear the buffer.
+   ADDR points to an array of struct bts_struct.
+   DATA gives the size of that buffer.
+   BTS records are read from oldest to newest.
+   Returns number of BTS records drained.
+*/
+#endif /* CONFIG_X86_PTRACE_BTS */
+
+#endif /* ASM_X86__PTRACE_ABI_H */