powerpc: Use linux/elfcore-compat.h

This makes powerpc64's compat code use the new linux/elfcore-compat.h,
reducing some hand-copied duplication.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 31 insertions, 36 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>