Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC32]: Use regsets in arch_ptrace().
  [SPARC64]: Use regsets in arch_ptrace().
  [SPARC32]: Use regsets for ELF core dumping.
  [SPARC64]: Use regsets for ELF core dumping.
  [SPARC64]: Remove unintentional ptrace debugging messages.
  [SPARC]: Move over to arch_ptrace().
  [SPARC]: Remove PTRACE_SUN* handling.
  [SPARC]: Kill DEBUG_PTRACE code.
  [SPARC32]: Add user regset support.
  [SPARC64]: Add user regsets.
  [SPARC64]: Fix booting on non-zero cpu.

4 files changed, 13 insertions, 80 deletions

diff --git a/include/asm-sparc/elf.h b/include/asm-sparc/elf.h
index 668814e1e539..d2516eed3a38 100644
--- a/include/asm-sparc/elf.h
+++ b/include/asm-sparc/elf.h
@@ -65,8 +65,14 @@
 #define HWCAP_SPARC_V9          16
 #define HWCAP_SPARC_ULTRA3      32
 
-/* For the most part we present code dumps in the format
- * Solaris does.
+#define CORE_DUMP_USE_REGSET
+
+/* Format is:
+ *      G0 --> G7
+ *      O0 --> O7
+ *      L0 --> L7
+ *      I0 --> I7
+ *      PSR, PC, nPC, Y, WIM, TBR
  */
 typedef unsigned long elf_greg_t;
 #define ELF_NGREG 38
@@ -86,34 +92,6 @@ typedef struct {
 } elf_fpregset_t;
 
 #include <asm/mbus.h>
-#include <asm/uaccess.h>
-
-/* Format is:
- *      G0 --> G7
- *      O0 --> O7
- *      L0 --> L7
- *      I0 --> I7
- *      PSR, PC, nPC, Y, WIM, TBR
- */
-#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs)       \
-do {    unsigned long *dest = &(__elf_regs[0]);         \
-        struct pt_regs *src = (__pt_regs);              \
-        unsigned long __user *sp;                       \
-        memcpy(&dest[0], &src->u_regs[0],               \
-               sizeof(unsigned long) * 16);             \
-        /* Don't try this at home kids... */            \
-        sp = (unsigned long __user *) src->u_regs[14];  \
-        copy_from_user(&dest[16], sp,                   \
-                       sizeof(unsigned long) * 16);     \
-        dest[32] = src->psr;                            \
-        dest[33] = src->pc;                             \
-        dest[34] = src->npc;                            \
-        dest[35] = src->y;                              \
-        dest[36] = dest[37] = 0; /* XXX */              \
-} while(0); /* Janitors: Don't touch this semicolon. */
-
-#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs)      \
-        ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread.kregs); 1; })
 
 /*
  * This is used to ensure we don't load something for the wrong architecture.
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h
index 714497099a42..8201a7b29d49 100644
--- a/include/asm-sparc/ptrace.h
+++ b/include/asm-sparc/ptrace.h
@@ -61,8 +61,6 @@ struct sparc_stackf {
 
 #ifdef __KERNEL__
 
-#define __ARCH_SYS_PTRACE       1
-
 #define user_mode(regs) (!((regs)->psr & PSR_PS))
 #define instruction_pointer(regs) ((regs)->pc)
 unsigned long profile_pc(struct pt_regs *);
@@ -151,8 +149,6 @@ extern void show_regs(struct pt_regs *);
 #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
@@ -164,7 +160,4 @@ extern void show_regs(struct pt_regs *);
 #define PTRACE_GETFPAREGS         20
 #define PTRACE_SETFPAREGS         21
 
-#define PTRACE_GETUCODE           29  /* stupid bsd-ism */
-
-
 #endif /* !(_SPARC_PTRACE_H) */
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index dc7bc63e507e..272a65873f2e 100644
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -70,6 +70,8 @@
 #define HWCAP_SPARC_BLKINIT     64
 #define HWCAP_SPARC_N2          128
 
+#define CORE_DUMP_USE_REGSET
+
 /*
  * These are used to set parameters in the core dumps.
  */
@@ -78,10 +80,6 @@
 #define ELF_CLASS               ELFCLASS64
 #define ELF_DATA                ELFDATA2MSB
 
-typedef unsigned long elf_greg_t;
-
-#define ELF_NGREG 36
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 /* Format of 64-bit elf_gregset_t is:
  *      G0 --> G7
  *      O0 --> O7
@@ -92,24 +90,9 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  *      TNPC
  *      Y
  */
-#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs)       \
-do {    unsigned long *dest = &(__elf_regs[0]);         \
-        struct pt_regs *src = (__pt_regs);              \
-        unsigned long __user *sp;                       \
-        int i;                                          \
-        for(i = 0; i < 16; i++)                         \
-                dest[i] = src->u_regs[i];               \
-        /* Don't try this at home kids... */            \
-        sp = (unsigned long __user *)                   \
-         ((src->u_regs[14] + STACK_BIAS)                \
-          & 0xfffffffffffffff8UL);                      \
-        for(i = 0; i < 16; i++)                         \
-                __get_user(dest[i+16], &sp[i]);         \
-        dest[32] = src->tstate;                         \
-        dest[33] = src->tpc;                            \
-        dest[34] = src->tnpc;                           \
-        dest[35] = src->y;                              \
-} while (0);
+typedef unsigned long elf_greg_t;
+#define ELF_NGREG 36
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
 typedef struct {
         unsigned long   pr_regs[32];
@@ -119,9 +102,6 @@ typedef struct {
 } elf_fpregset_t;
 #endif
 
-#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs)      \
-        ({ ELF_CORE_COPY_REGS((*(__elf_regs)), task_pt_regs(__tsk)); 1; })
-
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 7eba90c6c753..734a767f0a4e 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -95,8 +95,6 @@ struct sparc_trapf {
 
 #ifdef __KERNEL__
 
-#define __ARCH_SYS_PTRACE       1
-
 #define force_successful_syscall_return()           \
 do {    current_thread_info()->syscall_noerror = 1; \
 } while (0)
@@ -261,8 +259,6 @@ extern void show_regs(struct pt_regs *);
 #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
@@ -284,18 +280,4 @@ extern void show_regs(struct pt_regs *);
 #define PTRACE_GETFPREGS64        25
 #define PTRACE_SETFPREGS64        26
 
-#define PTRACE_GETUCODE           29  /* stupid bsd-ism */
-
-/* These are for 32-bit processes debugging 64-bit ones.
- * Here addr and addr2 are passed in %g2 and %g3 respectively.
- */
-#define PTRACE_PEEKTEXT64         (30 + PTRACE_PEEKTEXT)
-#define PTRACE_POKETEXT64         (30 + PTRACE_POKETEXT)
-#define PTRACE_PEEKDATA64         (30 + PTRACE_PEEKDATA)
-#define PTRACE_POKEDATA64         (30 + PTRACE_POKEDATA)
-#define PTRACE_READDATA64         (30 + PTRACE_READDATA)
-#define PTRACE_WRITEDATA64        (30 + PTRACE_WRITEDATA)
-#define PTRACE_READTEXT64         (30 + PTRACE_READTEXT)
-#define PTRACE_WRITETEXT64        (30 + PTRACE_WRITETEXT)
-
 #endif /* !(_SPARC64_PTRACE_H) */