Add -name option, by Anthony Liguori.

[qemu] / linux-user / elfload.c

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 57b5ed2..c0ea5a0 100644 (file)
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -288,6 +288,31 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
 
 #endif
 
+#ifdef TARGET_M68K
+
+#define ELF_START_MMAP 0x80000000
+
+#define elf_check_arch(x) ( (x) == EM_68K )
+
+#define ELF_CLASS      ELFCLASS32
+#define ELF_DATA       ELFDATA2MSB
+#define ELF_ARCH       EM_68K
+
+/* ??? Does this need to do anything?
+#define ELF_PLAT_INIT(_r) */
+
+static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
+{
+    regs->usp = infop->start_stack;
+    regs->sr = 0;
+    regs->pc = infop->entry;
+}
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE      8192
+
+#endif
+
 #ifndef ELF_PLATFORM
 #define ELF_PLATFORM (NULL)
 #endif
@@ -528,10 +553,13 @@ static void set_brk(unsigned long start, unsigned long end)
 /* We need to explicitly zero any fractional pages after the data
    section (i.e. bss).  This would contain the junk from the file that
    should not be in memory. */
-static void padzero(unsigned long elf_bss)
+static void padzero(unsigned long elf_bss, unsigned long last_bss)
 {
         unsigned long nbyte;
 
+       if (elf_bss >= last_bss)
+               return;
+
         /* XXX: this is really a hack : if the real host page size is
            smaller than the target page size, some pages after the end
            of the file may not be mapped. A better fix would be to
@@ -773,7 +801,7 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex,
         * that there are zeromapped pages up to and including the last
         * bss page.
         */
-       padzero(elf_bss);
+       padzero(elf_bss, last_bss);
        elf_bss = TARGET_ELF_PAGESTART(elf_bss + qemu_host_page_size - 1); /* What we have mapped so far */
 
        /* Map the last of the bss segment */
@@ -1202,7 +1230,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
        sections */
     set_brk(elf_bss, elf_brk);
 
-    padzero(elf_bss);
+    padzero(elf_bss, elf_brk);
 
 #if 0
     printf("(start_brk) %x\n" , info->start_brk);