powerpc: merge ptrace.h
Move struct ptregs32 into asm-ppc64/ppc32.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/include/asm-ppc64/ptrace.h b/include/asm-powerpc/ptrace.h
similarity index 66%
rename from include/asm-ppc64/ptrace.h
rename to include/asm-powerpc/ptrace.h
index 3a55377..1f7ecdb 100644
--- a/include/asm-ppc64/ptrace.h
+++ b/include/asm-powerpc/ptrace.h
@@ -1,5 +1,5 @@
-#ifndef _PPC64_PTRACE_H
-#define _PPC64_PTRACE_H
+#ifndef _ASM_POWERPC_PTRACE_H
+#define _ASM_POWERPC_PTRACE_H
/*
* Copyright (C) 2001 PPC64 Team, IBM Corp
@@ -16,7 +16,7 @@
* that the overall structure is a multiple of 16 bytes in length.
*
* Note that the offsets of the fields in this struct correspond with
- * the PT_* values below. This simplifies arch/ppc64/kernel/ptrace.c.
+ * the PT_* values below. This simplifies arch/powerpc/kernel/ptrace.c.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -30,61 +30,30 @@
unsigned long gpr[32];
unsigned long nip;
unsigned long msr;
- unsigned long orig_gpr3; /* Used for restarting system calls */
+ unsigned long orig_gpr3; /* Used for restarting system calls */
unsigned long ctr;
unsigned long link;
unsigned long xer;
unsigned long ccr;
- unsigned long softe; /* Soft enabled/disabled */
- unsigned long trap; /* Reason for being here */
- unsigned long dar; /* Fault registers */
- unsigned long dsisr;
- unsigned long result; /* Result of a system call */
+#ifdef __powerpc64__
+ unsigned long softe; /* Soft enabled/disabled */
+#else
+ unsigned long mq; /* 601 only (not used at present) */
+ /* Used on APUS to hold IPL value. */
+#endif
+ unsigned long trap; /* Reason for being here */
+ /* N.B. for critical exceptions on 4xx, the dar and dsisr
+ fields are overloaded to hold srr0 and srr1. */
+ unsigned long dar; /* Fault registers */
+ unsigned long dsisr; /* on 4xx/Book-E used for ESR */
+ unsigned long result; /* Result of a system call */
};
-struct pt_regs32 {
- unsigned int gpr[32];
- unsigned int nip;
- unsigned int msr;
- unsigned int orig_gpr3; /* Used for restarting system calls */
- unsigned int ctr;
- unsigned int link;
- unsigned int xer;
- unsigned int ccr;
- unsigned int mq; /* 601 only (not used at present) */
- unsigned int trap; /* Reason for being here */
- unsigned int dar; /* Fault registers */
- unsigned int dsisr;
- unsigned int result; /* Result of a system call */
-};
+#endif /* __ASSEMBLY__ */
#ifdef __KERNEL__
-#define instruction_pointer(regs) ((regs)->nip)
-
-#ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *regs);
-#else
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-
-#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
-
-#define force_successful_syscall_return() \
- (current_thread_info()->syscall_noerror = 1)
-
-/*
- * We use the least-significant bit of the trap field to indicate
- * whether we have saved the full set of registers, or only a
- * partial set. A 1 there means the partial set.
- */
-#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
-#define TRAP(regs) ((regs)->trap & ~0xF)
-#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASSEMBLY__ */
+#ifdef __powerpc64__
#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
@@ -92,8 +61,65 @@
#define __SIGNAL_FRAMESIZE 128
#define __SIGNAL_FRAMESIZE32 64
+#else /* __powerpc64__ */
+
+#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
+
+/* Size of stack frame allocated when calling signal handler. */
+#define __SIGNAL_FRAMESIZE 64
+
+#endif /* __powerpc64__ */
+
+#ifndef __ASSEMBLY__
+
+#define instruction_pointer(regs) ((regs)->nip)
+#ifdef CONFIG_SMP
+extern unsigned long profile_pc(struct pt_regs *regs);
+#else
+#define profile_pc(regs) instruction_pointer(regs)
+#endif
+
+#ifdef __powerpc64__
+#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
+#else
+#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
+#endif
+
+#define force_successful_syscall_return() \
+ do { \
+ current_thread_info()->syscall_noerror = 1; \
+ } while(0)
+
+/*
+ * We use the least-significant bit of the trap field to indicate
+ * whether we have saved the full set of registers, or only a
+ * partial set. A 1 there means the partial set.
+ * On 4xx we use the next bit to indicate whether the exception
+ * is a critical exception (1 means it is).
+ */
+#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
+#ifndef __powerpc64__
+#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
+#endif /* ! __powerpc64__ */
+#define TRAP(regs) ((regs)->trap & ~0xF)
+#ifdef __powerpc64__
+#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
+#else
+#define CHECK_FULL_REGS(regs) \
+do { \
+ if ((regs)->trap & 1) \
+ printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
+} while (0)
+#endif /* __powerpc64__ */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
/*
* Offsets used by 'ptrace' system call interface.
+ * These can't be changed without breaking binary compatibility
+ * with MkLinux, etc.
*/
#define PT_R0 0
#define PT_R1 1
@@ -137,18 +163,25 @@
#define PT_LNK 36
#define PT_XER 37
#define PT_CCR 38
+#ifndef __powerpc64__
+#define PT_MQ 39
+#else
#define PT_SOFTE 39
#define PT_TRAP 40
#define PT_DAR 41
#define PT_DSISR 42
#define PT_RESULT 43
+#endif
-#define PT_FPR0 48
+#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
-/*
- * Kernel and userspace will both use this PT_FPSCR value. 32-bit apps will
- * have visibility to the asm-ppc/ptrace.h header instead of this one.
- */
+#ifndef __powerpc64__
+
+#define PT_FPR31 (PT_FPR0 + 2*31)
+#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
+
+#else /* __powerpc64__ */
+
#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
#ifdef __KERNEL__
@@ -165,29 +198,29 @@
#define PT_VRSAVE_32 (PT_VR0 + 33*4)
#endif
+#endif /* __powerpc64__ */
+
/*
- * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
- * The transfer totals 34 quadword. Quadwords 0-31 contain the
- * corresponding vector registers. Quadword 32 contains the vscr as the
- * last word (offset 12) within that quadword. Quadword 33 contains the
+ * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
+ * The transfer totals 34 quadword. Quadwords 0-31 contain the
+ * corresponding vector registers. Quadword 32 contains the vscr as the
+ * last word (offset 12) within that quadword. Quadword 33 contains the
* vrsave as the first word (offset 0) within the quadword.
*
- * This definition of the VMX state is compatible with the current PPC32
- * ptrace interface. This allows signal handling and ptrace to use the same
- * structures. This also simplifies the implementation of a bi-arch
+ * This definition of the VMX state is compatible with the current PPC32
+ * ptrace interface. This allows signal handling and ptrace to use the same
+ * structures. This also simplifies the implementation of a bi-arch
* (combined (32- and 64-bit) gdb.
*/
#define PTRACE_GETVRREGS 18
#define PTRACE_SETVRREGS 19
-/*
- * While we dont have 64bit book E processors, we need to reserve the
- * relevant ptrace calls for 32bit compatibility.
- */
-#if 0
-#define PTRACE_GETEVRREGS 20
-#define PTRACE_SETEVRREGS 21
-#endif
+#ifndef __powerpc64__
+/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
+ * spefscr, in one go */
+#define PTRACE_GETEVRREGS 20
+#define PTRACE_SETEVRREGS 21
+#endif /* __powerpc64__ */
/*
* Get or set a debug register. The first 16 are DABR registers and the
@@ -196,6 +229,7 @@
#define PTRACE_GET_DEBUGREG 25
#define PTRACE_SET_DEBUGREG 26
+#ifdef __powerpc64__
/* Additional PTRACE requests implemented on PowerPC. */
#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
@@ -209,5 +243,6 @@
#define PPC_PTRACE_POKEDATA_3264 0x92
#define PPC_PTRACE_PEEKUSR_3264 0x91
#define PPC_PTRACE_POKEUSR_3264 0x90
+#endif /* __powerpc64__ */
-#endif /* _PPC64_PTRACE_H */
+#endif /* _ASM_POWERPC_PTRACE_H */
diff --git a/include/asm-ppc/ptrace.h b/include/asm-ppc/ptrace.h
deleted file mode 100644
index c34fb4e..0000000
--- a/include/asm-ppc/ptrace.h
+++ /dev/null
@@ -1,152 +0,0 @@
-#ifndef _PPC_PTRACE_H
-#define _PPC_PTRACE_H
-
-/*
- * This struct defines the way the registers are stored on the
- * kernel stack during a system call or other kernel entry.
- *
- * this should only contain volatile regs
- * since we can keep non-volatile in the thread_struct
- * should set this up when only volatiles are saved
- * by intr code.
- *
- * Since this is going on the stack, *CARE MUST BE TAKEN* to insure
- * that the overall structure is a multiple of 16 bytes in length.
- *
- * Note that the offsets of the fields in this struct correspond with
- * the PT_* values below. This simplifies arch/ppc/kernel/ptrace.c.
- */
-
-#ifndef __ASSEMBLY__
-struct pt_regs {
- unsigned long gpr[32];
- unsigned long nip;
- unsigned long msr;
- unsigned long orig_gpr3; /* Used for restarting system calls */
- unsigned long ctr;
- unsigned long link;
- unsigned long xer;
- unsigned long ccr;
- unsigned long mq; /* 601 only (not used at present) */
- /* Used on APUS to hold IPL value. */
- unsigned long trap; /* Reason for being here */
- /* N.B. for critical exceptions on 4xx, the dar and dsisr
- fields are overloaded to hold srr0 and srr1. */
- unsigned long dar; /* Fault registers */
- unsigned long dsisr; /* on 4xx/Book-E used for ESR */
- unsigned long result; /* Result of a system call */
-};
-
-#endif /* __ASSEMBLY__ */
-
-#ifdef __KERNEL__
-#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
-
-/* Size of stack frame allocated when calling signal handler. */
-#define __SIGNAL_FRAMESIZE 64
-
-#ifndef __ASSEMBLY__
-#define instruction_pointer(regs) ((regs)->nip)
-#ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *regs);
-#else
-#define profile_pc(regs) instruction_pointer(regs)
-#endif
-
-#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
-
-#define force_successful_syscall_return() \
- do { \
- current_thread_info()->syscall_noerror = 1; \
- } while(0)
-
-/*
- * We use the least-significant bit of the trap field to indicate
- * whether we have saved the full set of registers, or only a
- * partial set. A 1 there means the partial set.
- * On 4xx we use the next bit to indicate whether the exception
- * is a critical exception (1 means it is).
- */
-#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
-#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
-#define TRAP(regs) ((regs)->trap & ~0xF)
-
-#define CHECK_FULL_REGS(regs) \
-do { \
- if ((regs)->trap & 1) \
- printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
-} while (0)
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
-/*
- * Offsets used by 'ptrace' system call interface.
- * These can't be changed without breaking binary compatibility
- * with MkLinux, etc.
- */
-#define PT_R0 0
-#define PT_R1 1
-#define PT_R2 2
-#define PT_R3 3
-#define PT_R4 4
-#define PT_R5 5
-#define PT_R6 6
-#define PT_R7 7
-#define PT_R8 8
-#define PT_R9 9
-#define PT_R10 10
-#define PT_R11 11
-#define PT_R12 12
-#define PT_R13 13
-#define PT_R14 14
-#define PT_R15 15
-#define PT_R16 16
-#define PT_R17 17
-#define PT_R18 18
-#define PT_R19 19
-#define PT_R20 20
-#define PT_R21 21
-#define PT_R22 22
-#define PT_R23 23
-#define PT_R24 24
-#define PT_R25 25
-#define PT_R26 26
-#define PT_R27 27
-#define PT_R28 28
-#define PT_R29 29
-#define PT_R30 30
-#define PT_R31 31
-
-#define PT_NIP 32
-#define PT_MSR 33
-#ifdef __KERNEL__
-#define PT_ORIG_R3 34
-#endif
-#define PT_CTR 35
-#define PT_LNK 36
-#define PT_XER 37
-#define PT_CCR 38
-#define PT_MQ 39
-
-#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
-#define PT_FPR31 (PT_FPR0 + 2*31)
-#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
-
-/* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go */
-#define PTRACE_GETVRREGS 18
-#define PTRACE_SETVRREGS 19
-
-/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
- * spefscr, in one go */
-#define PTRACE_GETEVRREGS 20
-#define PTRACE_SETEVRREGS 21
-
-/*
- * Get or set a debug register. The first 16 are DABR registers and the
- * second 16 are IABR registers.
- */
-#define PTRACE_GET_DEBUGREG 25
-#define PTRACE_SET_DEBUGREG 26
-
-#endif
diff --git a/include/asm-ppc64/ppc32.h b/include/asm-ppc64/ppc32.h
index 3945a55..90e5627 100644
--- a/include/asm-ppc64/ppc32.h
+++ b/include/asm-ppc64/ppc32.h
@@ -91,6 +91,22 @@
compat_size_t ss_size;
} stack_32_t;
+struct pt_regs32 {
+ unsigned int gpr[32];
+ unsigned int nip;
+ unsigned int msr;
+ unsigned int orig_gpr3; /* Used for restarting system calls */
+ unsigned int ctr;
+ unsigned int link;
+ unsigned int xer;
+ unsigned int ccr;
+ unsigned int mq; /* 601 only (not used at present) */
+ unsigned int trap; /* Reason for being here */
+ unsigned int dar; /* Fault registers */
+ unsigned int dsisr;
+ unsigned int result; /* Result of a system call */
+};
+
struct sigcontext32 {
unsigned int _unused[4];
int signal;