Archipelago » qemu

#ifdef TARGET_SPARC

#define ELF_START_MMAP 0x80000000

#define elf_check_arch(x) ( (x) == EM_SPARC )

#define ELF_CLASS   ELFCLASS32

#define ELF_DATA    ELFDATA2MSB

#define ELF_ARCH    EM_SPARC

/*XXX*/

#define ELF_PLAT_INIT(_r)

static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)

{

	regs->u_regs[0] = infop->entry;

	regs->u_regs[1] = infop->start_stack;

}

#endif

/* 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. */

        /* 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

           patch target_mmap(), but it is more complicated as the file

           size must be known */

        if (real_host_page_size < host_page_size) {

            unsigned long end_addr, end_addr1;

            end_addr1 = (elf_bss + real_host_page_size - 1) & 

                ~(real_host_page_size - 1);

            end_addr = HOST_PAGE_ALIGN(elf_bss);

            if (end_addr1 < end_addr) {

                mmap((void *)end_addr1, end_addr - end_addr1,

                     PROT_READ|PROT_WRITE|PROT_EXEC,

                     MAP_FIXED|MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);

            }

        }

        nbyte = elf_bss & (host_page_size-1);