Add 2 preparation functions get_elf_loads and get_page_offset, later
they will be needed for parsing vmcoreinfo.

Signed-off-by: Baoquan He <b...@redhat.com>
---
 elf_info.c     | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 elf_info.h     |  1 +
 makedumpfile.c | 16 ++++++++++++++++
 3 files changed, 67 insertions(+)

diff --git a/elf_info.c b/elf_info.c
index b277f69..69d3fdb 100644
--- a/elf_info.c
+++ b/elf_info.c
@@ -681,6 +681,56 @@ get_elf32_ehdr(int fd, char *filename, Elf32_Ehdr *ehdr)
        return TRUE;
 }
 
+int
+get_elf_loads(int fd, char *filename)
+{
+       int i, j, phnum, elf_format;
+       Elf64_Phdr phdr;
+
+       /*
+        * Check ELF64 or ELF32.
+        */
+       elf_format = check_elf_format(fd, filename, &phnum, &num_pt_loads);
+       if (elf_format == ELF64)
+               flags_memory |= MEMORY_ELF64;
+       else if (elf_format != ELF32)
+               return FALSE;
+
+       if (!num_pt_loads) {
+               ERRMSG("Can't get the number of PT_LOAD.\n");
+               return FALSE;
+       }
+
+       /*
+        * The below file information will be used as /proc/vmcore.
+        */
+       fd_memory   = fd;
+       name_memory = filename;
+
+       pt_loads = calloc(sizeof(struct pt_load_segment), num_pt_loads);
+       if (pt_loads == NULL) {
+               ERRMSG("Can't allocate memory for the PT_LOAD. %s\n",
+                   strerror(errno));
+               return FALSE;
+       }
+       for (i = 0, j = 0; i < phnum; i++) {
+               if (!get_phdr_memory(i, &phdr))
+                       return FALSE;
+
+               if (phdr.p_type != PT_LOAD)
+                       continue;
+
+               if (j >= num_pt_loads)
+                       return FALSE;
+               if(!dump_Elf_load(&phdr, j))
+                       return FALSE;
+               j++;
+       }
+
+       return TRUE;
+}
+
+
 /*
  * Get ELF information about /proc/vmcore.
  */
diff --git a/elf_info.h b/elf_info.h
index 801faff..263d993 100644
--- a/elf_info.h
+++ b/elf_info.h
@@ -44,6 +44,7 @@ int get_elf64_ehdr(int fd, char *filename, Elf64_Ehdr *ehdr);
 int get_elf32_ehdr(int fd, char *filename, Elf32_Ehdr *ehdr);
 int get_elf_info(int fd, char *filename);
 void free_elf_info(void);
+int get_elf_loads(int fd, char *filename);
 
 int is_elf64_memory(void);
 int is_xen_memory(void);
diff --git a/makedumpfile.c b/makedumpfile.c
index 220570e..052ed85 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -9062,6 +9062,22 @@ int is_crashkernel_mem_reserved(void)
         return !!crash_reserved_mem_nr;
 }
 
+static int get_page_offset()
+{
+#ifdef __x86_64__
+       struct utsname utsname;
+       if (uname(&utsname)) {
+               ERRMSG("Cannot get name and information about current kernel : 
%s", strerror(errno));
+               return FALSE;
+       }
+
+       info->kernel_version = get_kernel_version(utsname.release);
+       get_versiondep_info_x86_64();
+#endif /* x86_64 */
+
+       return TRUE;
+}
+
 static struct option longopts[] = {
        {"split", no_argument, NULL, OPT_SPLIT},
        {"reassemble", no_argument, NULL, OPT_REASSEMBLE},
-- 
1.8.4.2


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