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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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