Added missing tegra files.HEADmaster

1 files changed, 83 insertions, 0 deletions

diff --git a/arch/um/sys-i386/elfcore.c b/arch/um/sys-i386/elfcore.c
new file mode 100644
index 00000000000..6bb49b687c9
--- /dev/null
+++ b/arch/um/sys-i386/elfcore.c
@@ -0,0 +1,83 @@
+#include <linux/elf.h>
+#include <linux/coredump.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+
+#include <asm/elf.h>
+
+
+Elf32_Half elf_core_extra_phdrs(void)
+{
+        return vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0;
+}
+
+int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+                               unsigned long limit)
+{
+        if ( vsyscall_ehdr ) {
+                const struct elfhdr *const ehdrp =
+                        (struct elfhdr *) vsyscall_ehdr;
+                const struct elf_phdr *const phdrp =
+                        (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+                int i;
+                Elf32_Off ofs = 0;
+
+                for (i = 0; i < ehdrp->e_phnum; ++i) {
+                        struct elf_phdr phdr = phdrp[i];
+
+                        if (phdr.p_type == PT_LOAD) {
+                                ofs = phdr.p_offset = offset;
+                                offset += phdr.p_filesz;
+                        } 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)
+{
+        if ( vsyscall_ehdr ) {
+                const struct elfhdr *const ehdrp =
+                        (struct elfhdr *) vsyscall_ehdr;
+                const struct elf_phdr *const phdrp =
+                        (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+                int i;
+
+                for (i = 0; i < ehdrp->e_phnum; ++i) {
+                        if (phdrp[i].p_type == PT_LOAD) {
+                                void *addr = (void *) phdrp[i].p_vaddr;
+                                size_t filesz = phdrp[i].p_filesz;
+
+                                *size += filesz;
+                                if (*size > limit
+                                    || !dump_write(file, addr, filesz))
+                                        return 0;
+                        }
+                }
+        }
+        return 1;
+}
+
+size_t elf_core_extra_data_size(void)
+{
+        if ( vsyscall_ehdr ) {
+                const struct elfhdr *const ehdrp =
+                        (struct elfhdr *)vsyscall_ehdr;
+                const struct elf_phdr *const phdrp =
+                        (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+                int i;
+
+                for (i = 0; i < ehdrp->e_phnum; ++i)
+                        if (phdrp[i].p_type == PT_LOAD)
+                                return (size_t) phdrp[i].p_filesz;
+        }
+        return 0;
+}