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authorDaniel Hellstrom <daniel@gaisler.com>2008-03-28 09:47:00 +0100
committerDaniel Hellstrom <daniel@gaisler.com>2008-04-08 07:58:32 +0000
commitc2f02da21a3f37f0878554eebc785e04fdc4e128 (patch)
tree169e423067d8298e0568ff7b13c5419185008b38 /include/asm-sparc/ptrace.h
parentaeff6d503b6006573d5c6b04fc658a64bebee5fa (diff)
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SPARC: Added generic support for SPARC architecture.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Diffstat (limited to 'include/asm-sparc/ptrace.h')
-rw-r--r--include/asm-sparc/ptrace.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h
new file mode 100644
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+++ b/include/asm-sparc/ptrace.h
@@ -0,0 +1,181 @@
+/* Contain the Stack frame layout on interrupt. pt_regs.
+ * taken from the SPARC port of Linux (ptrace.h).
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SPARC_PTRACE_H__
+#define __SPARC_PTRACE_H__
+
+#include <asm/psr.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+ unsigned long psr;
+ unsigned long pc;
+ unsigned long npc;
+ unsigned long y;
+ unsigned long u_regs[16]; /* globals and ins */
+};
+
+#define UREG_G0 0
+#define UREG_G1 1
+#define UREG_G2 2
+#define UREG_G3 3
+#define UREG_G4 4
+#define UREG_G5 5
+#define UREG_G6 6
+#define UREG_G7 7
+#define UREG_I0 8
+#define UREG_I1 9
+#define UREG_I2 10
+#define UREG_I3 11
+#define UREG_I4 12
+#define UREG_I5 13
+#define UREG_I6 14
+#define UREG_I7 15
+#define UREG_WIM UREG_G0
+#define UREG_FADDR UREG_G0
+#define UREG_FP UREG_I6
+#define UREG_RETPC UREG_I7
+
+/* A register window */
+struct reg_window {
+ unsigned long locals[8];
+ unsigned long ins[8];
+};
+
+/* A Sparc stack frame */
+struct sparc_stackf {
+ unsigned long locals[8];
+ unsigned long ins[6];
+ struct sparc_stackf *fp;
+ unsigned long callers_pc;
+ char *structptr;
+ unsigned long xargs[6];
+ unsigned long xxargs[1];
+};
+
+#define TRACEREG_SZ sizeof(struct pt_regs)
+#define STACKFRAME_SZ sizeof(struct sparc_stackf)
+
+#else /* __ASSEMBLY__ */
+/* For assembly code. */
+#define TRACEREG_SZ 0x50
+#define STACKFRAME_SZ 0x60
+#endif
+
+/*
+ * The asm_offsets.h is a generated file, so we cannot include it.
+ * It may be OK for glibc headers, but it's utterly pointless for C code.
+ * The assembly code using those offsets has to include it explicitly.
+ */
+/* #include <asm/asm_offsets.h> */
+
+/* These are for pt_regs. */
+#define PT_PSR 0x0
+#define PT_PC 0x4
+#define PT_NPC 0x8
+#define PT_Y 0xc
+#define PT_G0 0x10
+#define PT_WIM PT_G0
+#define PT_G1 0x14
+#define PT_G2 0x18
+#define PT_G3 0x1c
+#define PT_G4 0x20
+#define PT_G5 0x24
+#define PT_G6 0x28
+#define PT_G7 0x2c
+#define PT_I0 0x30
+#define PT_I1 0x34
+#define PT_I2 0x38
+#define PT_I3 0x3c
+#define PT_I4 0x40
+#define PT_I5 0x44
+#define PT_I6 0x48
+#define PT_FP PT_I6
+#define PT_I7 0x4c
+
+/* Reg_window offsets */
+#define RW_L0 0x00
+#define RW_L1 0x04
+#define RW_L2 0x08
+#define RW_L3 0x0c
+#define RW_L4 0x10
+#define RW_L5 0x14
+#define RW_L6 0x18
+#define RW_L7 0x1c
+#define RW_I0 0x20
+#define RW_I1 0x24
+#define RW_I2 0x28
+#define RW_I3 0x2c
+#define RW_I4 0x30
+#define RW_I5 0x34
+#define RW_I6 0x38
+#define RW_I7 0x3c
+
+/* Stack_frame offsets */
+#define SF_L0 0x00
+#define SF_L1 0x04
+#define SF_L2 0x08
+#define SF_L3 0x0c
+#define SF_L4 0x10
+#define SF_L5 0x14
+#define SF_L6 0x18
+#define SF_L7 0x1c
+#define SF_I0 0x20
+#define SF_I1 0x24
+#define SF_I2 0x28
+#define SF_I3 0x2c
+#define SF_I4 0x30
+#define SF_I5 0x34
+#define SF_FP 0x38
+#define SF_PC 0x3c
+#define SF_RETP 0x40
+#define SF_XARG0 0x44
+#define SF_XARG1 0x48
+#define SF_XARG2 0x4c
+#define SF_XARG3 0x50
+#define SF_XARG4 0x54
+#define SF_XARG5 0x58
+#define SF_XXARG 0x5c
+
+/* Stuff for the ptrace system call */
+#define PTRACE_SUNATTACH 10
+#define PTRACE_SUNDETACH 11
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+#define PTRACE_GETFPREGS 14
+#define PTRACE_SETFPREGS 15
+#define PTRACE_READDATA 16
+#define PTRACE_WRITEDATA 17
+#define PTRACE_READTEXT 18
+#define PTRACE_WRITETEXT 19
+#define PTRACE_GETFPAREGS 20
+#define PTRACE_SETFPAREGS 21
+
+#define PTRACE_GETUCODE 29 /* stupid bsd-ism */
+
+#endif /* !(_SPARC_PTRACE_H) */