sparc64 marge (Blue Swirl)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1462 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 218 insertions, 0 deletions

diff --git a/hw/elf_ops.h b/hw/elf_ops.h
new file mode 100644
index 0000000..1f3232d
--- /dev/null
+++ b/hw/elf_ops.h
@@ -0,0 +1,218 @@
+#ifdef BSWAP_NEEDED
+static void glue(bswap_ehdr, SZ)(struct elfhdr *ehdr)
+{
+    bswap16s(&ehdr->e_type);			/* Object file type */
+    bswap16s(&ehdr->e_machine);		/* Architecture */
+    bswap32s(&ehdr->e_version);		/* Object file version */
+    bswapSZs(&ehdr->e_entry);		/* Entry point virtual address */
+    bswapSZs(&ehdr->e_phoff);		/* Program header table file offset */
+    bswapSZs(&ehdr->e_shoff);		/* Section header table file offset */
+    bswap32s(&ehdr->e_flags);		/* Processor-specific flags */
+    bswap16s(&ehdr->e_ehsize);		/* ELF header size in bytes */
+    bswap16s(&ehdr->e_phentsize);		/* Program header table entry size */
+    bswap16s(&ehdr->e_phnum);		/* Program header table entry count */
+    bswap16s(&ehdr->e_shentsize);		/* Section header table entry size */
+    bswap16s(&ehdr->e_shnum);		/* Section header table entry count */
+    bswap16s(&ehdr->e_shstrndx);		/* Section header string table index */
+}
+
+static void glue(bswap_phdr, SZ)(struct elf_phdr *phdr)
+{
+    bswap32s(&phdr->p_type);			/* Segment type */
+    bswapSZs(&phdr->p_offset);		/* Segment file offset */
+    bswapSZs(&phdr->p_vaddr);		/* Segment virtual address */
+    bswapSZs(&phdr->p_paddr);		/* Segment physical address */
+    bswapSZs(&phdr->p_filesz);		/* Segment size in file */
+    bswapSZs(&phdr->p_memsz);		/* Segment size in memory */
+    bswap32s(&phdr->p_flags);		/* Segment flags */
+    bswapSZs(&phdr->p_align);		/* Segment alignment */
+}
+
+static void glue(bswap_shdr, SZ)(struct elf_shdr *shdr)
+{
+    bswap32s(&shdr->sh_name);
+    bswap32s(&shdr->sh_type);
+    bswapSZs(&shdr->sh_flags);
+    bswapSZs(&shdr->sh_addr);
+    bswapSZs(&shdr->sh_offset);
+    bswapSZs(&shdr->sh_size);
+    bswap32s(&shdr->sh_link);
+    bswap32s(&shdr->sh_info);
+    bswapSZs(&shdr->sh_addralign);
+    bswapSZs(&shdr->sh_entsize);
+}
+
+static void glue(bswap_sym, SZ)(struct elf_sym *sym)
+{
+    bswap32s(&sym->st_name);
+    bswapSZs(&sym->st_value);
+    bswapSZs(&sym->st_size);
+    bswap16s(&sym->st_shndx);
+}
+#endif
+
+static int glue(find_phdr, SZ)(struct elfhdr *ehdr, int fd, struct elf_phdr *phdr, elf_word type)
+{
+    int i, retval;
+
+    retval = lseek(fd, ehdr->e_phoff, SEEK_SET);
+    if (retval < 0)
+	return -1;
+
+    for (i = 0; i < ehdr->e_phnum; i++) {
+	retval = read(fd, phdr, sizeof(*phdr));
+	if (retval < 0)
+	    return -1;
+	glue(bswap_phdr, SZ)(phdr);
+	if (phdr->p_type == type)
+	    return 0;
+    }
+    return -1;
+}
+
+static void * glue(find_shdr, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, elf_word type)
+{
+    int i, retval;
+
+    retval = lseek(fd, ehdr->e_shoff, SEEK_SET);
+    if (retval < 0)
+	return NULL;
+
+    for (i = 0; i < ehdr->e_shnum; i++) {
+	retval = read(fd, shdr, sizeof(*shdr));
+	if (retval < 0)
+	    return NULL;
+	glue(bswap_shdr, SZ)(shdr);
+	if (shdr->sh_type == type)
+	    return qemu_malloc(shdr->sh_size);
+    }
+    return NULL;
+}
+
+static void * glue(find_strtab, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, struct elf_shdr *symtab)
+{
+    int retval;
+
+    retval = lseek(fd, ehdr->e_shoff + sizeof(struct elf_shdr) * symtab->sh_link, SEEK_SET);
+    if (retval < 0)
+	return NULL;
+
+    retval = read(fd, shdr, sizeof(*shdr));
+    if (retval < 0)
+	return NULL;
+    glue(bswap_shdr, SZ)(shdr);
+    if (shdr->sh_type == SHT_STRTAB)
+	return qemu_malloc(shdr->sh_size);;
+    return NULL;
+}
+
+static int glue(read_program, SZ)(int fd, struct elf_phdr *phdr, void *dst, elf_word entry)
+{
+    int retval;
+    retval = lseek(fd, phdr->p_offset + entry - phdr->p_vaddr, SEEK_SET);
+    if (retval < 0)
+	return -1;
+    return read(fd, dst, phdr->p_filesz);
+}
+
+static int glue(read_section, SZ)(int fd, struct elf_shdr *s, void *dst)
+{
+    int retval;
+
+    retval = lseek(fd, s->sh_offset, SEEK_SET);
+    if (retval < 0)
+	return -1;
+    retval = read(fd, dst, s->sh_size);
+    if (retval < 0)
+	return -1;
+    return 0;
+}
+
+static void * glue(process_section, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, elf_word type)
+{
+    void *dst;
+
+    dst = glue(find_shdr, SZ)(ehdr, fd, shdr, type);
+    if (!dst)
+	goto error;
+
+    if (glue(read_section, SZ)(fd, shdr, dst))
+	goto error;
+    return dst;
+ error:
+    qemu_free(dst);
+    return NULL;
+}
+
+static void * glue(process_strtab, SZ)(struct elfhdr *ehdr, int fd, struct elf_shdr *shdr, struct elf_shdr *symtab)
+{
+    void *dst;
+
+    dst = glue(find_strtab, SZ)(ehdr, fd, shdr, symtab);
+    if (!dst)
+	goto error;
+
+    if (glue(read_section, SZ)(fd, shdr, dst))
+	goto error;
+    return dst;
+ error:
+    qemu_free(dst);
+    return NULL;
+}
+
+static void glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd)
+{
+    struct elf_shdr symtab, strtab;
+    struct elf_sym *syms;
+#if (SZ == 64)
+    struct elf32_sym *syms32;
+#endif
+    struct syminfo *s;
+    int nsyms, i;
+    char *str;
+
+    /* Symbol table */
+    syms = glue(process_section, SZ)(ehdr, fd, &symtab, SHT_SYMTAB);
+    if (!syms)
+	return;
+
+    nsyms = symtab.sh_size / sizeof(struct elf_sym);
+#if (SZ == 64)
+    syms32 = qemu_mallocz(nsyms * sizeof(struct elf32_sym));
+#endif
+    for (i = 0; i < nsyms; i++) {
+	glue(bswap_sym, SZ)(&syms[i]);
+#if (SZ == 64)
+	syms32[i].st_name = syms[i].st_name;
+	syms32[i].st_info = syms[i].st_info;
+	syms32[i].st_other = syms[i].st_other;
+	syms32[i].st_shndx = syms[i].st_shndx;
+	syms32[i].st_value = syms[i].st_value & 0xffffffff;
+	syms32[i].st_size = syms[i].st_size & 0xffffffff;
+#endif
+    }
+    /* String table */
+    str = glue(process_strtab, SZ)(ehdr, fd, &strtab, &symtab);
+    if (!str)
+	goto error_freesyms;
+
+    /* Commit */
+    s = qemu_mallocz(sizeof(*s));
+#if (SZ == 64)
+    s->disas_symtab = syms32;
+    qemu_free(syms);
+#else
+    s->disas_symtab = syms;
+#endif
+    s->disas_num_syms = nsyms;
+    s->disas_strtab = str;
+    s->next = syminfos;
+    syminfos = s;
+    return;
+ error_freesyms:
+#if (SZ == 64)
+    qemu_free(syms32);
+#endif
+    qemu_free(syms);
+    return;
+}