5 files changed, 58 insertions, 42 deletions

diff --git a/arch/powerpc/kernel/binfmt_elf32.c b/arch/powerpc/kernel/binfmt_elf32.c
index 5cb58757e1b1..1d45d7782d4e 100644
--- a/arch/powerpc/kernel/binfmt_elf32.c
+++ b/arch/powerpc/kernel/binfmt_elf32.c
@@ -13,49 +13,44 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#define ELF_ARCH                EM_PPC
-#define ELF_CLASS               ELFCLASS32
-#define ELF_DATA                ELFDATA2MSB;
-
 #include <asm/processor.h>
 #include <linux/module.h>
-#include <linux/elfcore.h>
 #include <linux/compat.h>
+#include <linux/elfcore-compat.h>
+
+#undef  ELF_ARCH
+#undef  ELF_CLASS
+#define ELF_CLASS       ELFCLASS32
+#define ELF_ARCH        EM_PPC
+
+#undef  elfhdr
+#undef  elf_phdr
+#undef  elf_note
+#undef  elf_addr_t
+#define elfhdr          elf32_hdr
+#define elf_phdr        elf32_phdr
+#define elf_note        elf32_note
+#define elf_addr_t      Elf32_Off
 
-#define elf_prstatus elf_prstatus32
-struct elf_prstatus32
+#define elf_prstatus    compat_elf_prstatus
+#define elf_prpsinfo    compat_elf_prpsinfo
+
+#define elf_core_copy_regs compat_elf_core_copy_regs
+static inline void compat_elf_core_copy_regs(compat_elf_gregset_t *elf_regs,
+                                             struct pt_regs *regs)
 {
-        struct elf_siginfo pr_info;     /* Info associated with signal */
-        short   pr_cursig;              /* Current signal */
-        unsigned int pr_sigpend;        /* Set of pending signals */
-        unsigned int pr_sighold;        /* Set of held signals */
-        pid_t   pr_pid;
-        pid_t   pr_ppid;
-        pid_t   pr_pgrp;
-        pid_t   pr_sid;
-        struct compat_timeval pr_utime; /* User time */
-        struct compat_timeval pr_stime; /* System time */
-        struct compat_timeval pr_cutime;        /* Cumulative user time */
-        struct compat_timeval pr_cstime;        /* Cumulative system time */
-        elf_gregset_t pr_reg;           /* General purpose registers. */
-        int pr_fpvalid;         /* True if math co-processor being used. */
-};
+        PPC_ELF_CORE_COPY_REGS((*elf_regs), regs);
+}
 
-#define elf_prpsinfo elf_prpsinfo32
-struct elf_prpsinfo32
+#define elf_core_copy_task_regs compat_elf_core_copy_task_regs
+static int compat_elf_core_copy_task_regs(struct task_struct *tsk,
+                                          compat_elf_gregset_t *elf_regs)
 {
-        char    pr_state;       /* numeric process state */
-        char    pr_sname;       /* char for pr_state */
-        char    pr_zomb;        /* zombie */
-        char    pr_nice;        /* nice val */
-        unsigned int pr_flag;   /* flags */
-        u32     pr_uid;
-        u32     pr_gid;
-        pid_t   pr_pid, pr_ppid, pr_pgrp, pr_sid;
-        /* Lots missing */
-        char    pr_fname[16];   /* filename of executable */
-        char    pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
-};
+        struct pt_regs *regs = tsk->thread.regs;
+        if (regs)
+                compat_elf_core_copy_regs(elf_regs, regs);
+        return 1;
+}
 
 #include <linux/time.h>
 
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 7949c203cb89..ea6ad7a2a7e3 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -149,10 +149,32 @@ void flush_altivec_to_thread(struct task_struct *tsk)
         }
 }
 
-int dump_task_altivec(struct pt_regs *regs, elf_vrregset_t *vrregs)
+int dump_task_altivec(struct task_struct *tsk, elf_vrregset_t *vrregs)
 {
-        flush_altivec_to_thread(current);
-        memcpy(vrregs, &current->thread.vr[0], sizeof(*vrregs));
+        /* ELF_NVRREG includes the VSCR and VRSAVE which we need to save
+         * separately, see below */
+        const int nregs = ELF_NVRREG - 2;
+        elf_vrreg_t *reg;
+        u32 *dest;
+
+        if (tsk == current)
+                flush_altivec_to_thread(tsk);
+
+        reg = (elf_vrreg_t *)vrregs;
+
+        /* copy the 32 vr registers */
+        memcpy(reg, &tsk->thread.vr[0], nregs * sizeof(*reg));
+        reg += nregs;
+
+        /* copy the vscr */
+        memcpy(reg, &tsk->thread.vscr, sizeof(*reg));
+        reg++;
+
+        /* vrsave is stored in the high 32bit slot of the final 128bits */
+        memset(reg, 0, sizeof(*reg));
+        dest = (u32 *)reg;
+        *dest = tsk->thread.vrsave;
+
         return 1;
 }
 #endif /* CONFIG_ALTIVEC */
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 62b7bf2f3eab..f2276593f416 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -286,7 +286,7 @@ static ssize_t rtas_flash_read(struct file *file, char __user *buf,
 }
 
 /* constructor for flash_block_cache */
-void rtas_block_ctor(void *ptr, struct kmem_cache *cache, unsigned long flags)
+void rtas_block_ctor(struct kmem_cache *cache, void *ptr)
 {
         memset(ptr, 0, RTAS_BLK_SIZE);
 }
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index bd85b5fd08c8..4a4f5c6b560b 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -41,10 +41,10 @@
 #include <linux/compat.h>
 #include <linux/ptrace.h>
 #include <linux/elf.h>
+#include <linux/ipc.h>
 
 #include <asm/ptrace.h>
 #include <asm/types.h>
-#include <asm/ipc.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/semaphore.h>
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index f85f402ceaef..3b1d5dd65643 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -38,7 +38,6 @@
 #include <linux/personality.h>
 
 #include <asm/uaccess.h>
-#include <asm/ipc.h>
 #include <asm/semaphore.h>
 #include <asm/syscalls.h>
 #include <asm/time.h>