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    Subject[Patch 6/21] Export the reusable ELF core generation routines
    Export the ELF class specific core generation helper functions via 
    elfcore-internal.h

    Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
    ---
    fs/binfmt_elf.c | 10 +++++-----
    include/linux/elfcore-internal.h | 29 +++++++++++++++++++++++++++++
    2 files changed, 34 insertions(+), 5 deletions(-)

    Index: linux-2.6.36-rc7/fs/binfmt_elf.c
    ===================================================================
    --- linux-2.6.36-rc7.orig/fs/binfmt_elf.c
    +++ linux-2.6.36-rc7/fs/binfmt_elf.c
    @@ -1129,7 +1129,7 @@ static int writenote(struct memelfnote *
    }
    #undef DUMP_WRITE

    -static void fill_elf_header(struct elfhdr *elf, int segs,
    +void fill_elf_header(struct elfhdr *elf, int segs,
    u16 machine, u32 flags, u8 osabi)
    {
    memset(elf, 0, sizeof(*elf));
    @@ -1169,7 +1169,7 @@ static void fill_elf_note_phdr(struct el
    * fill up all the fields in prstatus from the given task struct, except
    * registers which need to be filled up separately.
    */
    -static void fill_prstatus(struct elf_prstatus *prstatus,
    +void fill_prstatus(struct elf_prstatus *prstatus,
    struct task_struct *p, long signr)
    {
    prstatus->pr_info.si_signo = prstatus->pr_cursig = signr;
    @@ -1199,7 +1199,7 @@ static void fill_prstatus(struct elf_prs
    cputime_to_timeval(p->signal->cstime, &prstatus->pr_cstime);
    }

    -static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
    +int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
    struct mm_struct *mm)
    {
    const struct cred *cred;
    @@ -1253,7 +1253,7 @@ static int fill_psinfo(struct elf_prpsin
    return 0;
    }

    -static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
    +void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
    {
    elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv;
    int i = 0;
    @@ -1722,7 +1722,7 @@ static void free_note_info(struct elf_no

    #endif

    -static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
    +void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
    elf_addr_t e_shoff, int segs)
    {
    elf->e_shoff = e_shoff;
    Index: linux-2.6.36-rc7/include/linux/elfcore-internal.h
    ===================================================================
    --- linux-2.6.36-rc7.orig/include/linux/elfcore-internal.h
    +++ linux-2.6.36-rc7/include/linux/elfcore-internal.h
    @@ -15,6 +15,8 @@

    #ifdef __KERNEL__

    +#include <linux/elfcore.h>
    +
    /* An ELF note in memory */
    struct memelfnote
    {
    @@ -40,5 +42,32 @@ extern struct vm_area_struct *next_vma(s
    extern unsigned long vma_dump_size(struct task_struct *task,
    struct vm_area_struct *vma, unsigned long mm_flags);

    +/* Core dump generation routines for native ELF class */
    +extern void fill_elf_header(struct elfhdr *elf, int segs,
    + u16 machine, u32 flags, u8 osabi);
    +extern void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr,
    + elf_addr_t e_shoff, int segs);
    +extern void fill_prstatus(struct elf_prstatus *prstatus,
    + struct task_struct *p, long signr);
    +extern int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
    + struct mm_struct *mm);
    +extern void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm);
    +
    +/* compat ELF class variant of the above helpers*/
    +#ifdef CONFIG_COMPAT_BINFMT_ELF
    +#include <linux/elfcore-compat.h>
    +
    +extern void compat_fill_extnum_info(struct elf32_hdr *elf, struct elf32_shdr *shdr,
    + Elf32_Addr e_shoff, int segs);
    +extern void compat_fill_prstatus(struct compat_elf_prstatus *prstatus,
    + struct task_struct *p, long signr);
    +extern int compat_fill_psinfo(struct compat_elf_prpsinfo *psinfo, struct task_struct *p,
    + struct mm_struct *mm);
    +extern void compat_fill_auxv_note(struct memelfnote *note, struct mm_struct *mm);
    +
    +extern void compat_fill_elf_header(struct elf32_hdr *elf, int segs,
    + u16 machine, u32 flags, u8 osabi);
    +#endif /* CONFIG_COMPAT_BINFMT_ELF */
    +
    #endif
    #endif

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