1 files changed, 64 insertions, 0 deletions

diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c
new file mode 100644
index 00000000000..57a2298a858
--- /dev/null
+++ b/arch/ia64/kernel/elfcore.c
@@ -0,0 +1,64 @@
+#include <linux/elf.h>
+#include <linux/coredump.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+
+#include <asm/elf.h>
+
+
+Elf64_Half elf_core_extra_phdrs(void)
+{
+        return GATE_EHDR->e_phnum;
+}
+
+int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+                               unsigned long limit)
+{
+        const struct elf_phdr *const gate_phdrs =
+                (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
+        int i;
+        Elf64_Off ofs = 0;
+
+        for (i = 0; i < GATE_EHDR->e_phnum; ++i) {
+                struct elf_phdr phdr = gate_phdrs[i];
+
+                if (phdr.p_type == PT_LOAD) {
+                        phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);
+                        phdr.p_filesz = phdr.p_memsz;
+                        if (ofs == 0) {
+                                ofs = phdr.p_offset = offset;
+                                offset += phdr.p_filesz;
+                        } else {
+                                phdr.p_offset = ofs;
+                        }
+                } else {
+                        phdr.p_offset += ofs;
+                }
+                phdr.p_paddr = 0; /* match other core phdrs */
+                *size += sizeof(phdr);
+                if (*size > limit || !dump_write(file, &phdr, sizeof(phdr)))
+                        return 0;
+        }
+        return 1;
+}
+
+int elf_core_write_extra_data(struct file *file, size_t *size,
+                              unsigned long limit)
+{
+        const struct elf_phdr *const gate_phdrs =
+                (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
+        int i;
+
+        for (i = 0; i < GATE_EHDR->e_phnum; ++i) {
+                if (gate_phdrs[i].p_type == PT_LOAD) {
+                        void *addr = (void *)gate_phdrs[i].p_vaddr;
+                        size_t memsz = PAGE_ALIGN(gate_phdrs[i].p_memsz);
+
+                        *size += memsz;
+                        if (*size > limit || !dump_write(file, addr, memsz))
+                                return 0;
+                        break;
+                }
+        }
+        return 1;
+}