1 static void glue(bswap_ehdr, SZ)(struct elfhdr *ehdr)
3 bswap16s(&ehdr->e_type); /* Object file type */
4 bswap16s(&ehdr->e_machine); /* Architecture */
5 bswap32s(&ehdr->e_version); /* Object file version */
6 bswapSZs(&ehdr->e_entry); /* Entry point virtual address */
7 bswapSZs(&ehdr->e_phoff); /* Program header table file offset */
8 bswapSZs(&ehdr->e_shoff); /* Section header table file offset */
9 bswap32s(&ehdr->e_flags); /* Processor-specific flags */
10 bswap16s(&ehdr->e_ehsize); /* ELF header size in bytes */
11 bswap16s(&ehdr->e_phentsize); /* Program header table entry size */
12 bswap16s(&ehdr->e_phnum); /* Program header table entry count */
13 bswap16s(&ehdr->e_shentsize); /* Section header table entry size */
14 bswap16s(&ehdr->e_shnum); /* Section header table entry count */
15 bswap16s(&ehdr->e_shstrndx); /* Section header string table index */
18 static void glue(bswap_phdr, SZ)(struct elf_phdr *phdr)
20 bswap32s(&phdr->p_type); /* Segment type */
21 bswapSZs(&phdr->p_offset); /* Segment file offset */
22 bswapSZs(&phdr->p_vaddr); /* Segment virtual address */
23 bswapSZs(&phdr->p_paddr); /* Segment physical address */
24 bswapSZs(&phdr->p_filesz); /* Segment size in file */
25 bswapSZs(&phdr->p_memsz); /* Segment size in memory */
26 bswap32s(&phdr->p_flags); /* Segment flags */
27 bswapSZs(&phdr->p_align); /* Segment alignment */
30 static void glue(bswap_shdr, SZ)(struct elf_shdr *shdr)
32 bswap32s(&shdr->sh_name);
33 bswap32s(&shdr->sh_type);
34 bswapSZs(&shdr->sh_flags);
35 bswapSZs(&shdr->sh_addr);
36 bswapSZs(&shdr->sh_offset);
37 bswapSZs(&shdr->sh_size);
38 bswap32s(&shdr->sh_link);
39 bswap32s(&shdr->sh_info);
40 bswapSZs(&shdr->sh_addralign);
41 bswapSZs(&shdr->sh_entsize);
44 static void glue(bswap_sym, SZ)(struct elf_sym *sym)
46 bswap32s(&sym->st_name);
47 bswapSZs(&sym->st_value);
48 bswapSZs(&sym->st_size);
49 bswap16s(&sym->st_shndx);
52 static struct elf_shdr *glue(find_section, SZ)(struct elf_shdr *shdr_table,
57 if (shdr_table[i].sh_type == type)
58 return shdr_table + i;
63 static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab)
65 struct elf_shdr *symtab, *strtab, *shdr_table = NULL;
66 struct elf_sym *syms = NULL;
68 struct elf32_sym *syms32 = NULL;
74 shdr_table = load_at(fd, ehdr->e_shoff,
75 sizeof(struct elf_shdr) * ehdr->e_shnum);
80 for (i = 0; i < ehdr->e_shnum; i++) {
81 glue(bswap_shdr, SZ)(shdr_table + i);
85 symtab = glue(find_section, SZ)(shdr_table, ehdr->e_shnum, SHT_SYMTAB);
88 syms = load_at(fd, symtab->sh_offset, symtab->sh_size);
92 nsyms = symtab->sh_size / sizeof(struct elf_sym);
94 syms32 = qemu_mallocz(nsyms * sizeof(struct elf32_sym));
96 for (i = 0; i < nsyms; i++) {
98 glue(bswap_sym, SZ)(&syms[i]);
100 syms32[i].st_name = syms[i].st_name;
101 syms32[i].st_info = syms[i].st_info;
102 syms32[i].st_other = syms[i].st_other;
103 syms32[i].st_shndx = syms[i].st_shndx;
104 syms32[i].st_value = syms[i].st_value & 0xffffffff;
105 syms32[i].st_size = syms[i].st_size & 0xffffffff;
109 if (symtab->sh_link >= ehdr->e_shnum)
111 strtab = &shdr_table[symtab->sh_link];
113 str = load_at(fd, strtab->sh_offset, strtab->sh_size);
118 s = qemu_mallocz(sizeof(*s));
120 s->disas_symtab = syms32;
123 s->disas_symtab = syms;
125 s->disas_num_syms = nsyms;
126 s->disas_strtab = str;
129 qemu_free(shdr_table);
137 qemu_free(shdr_table);
141 int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
142 int must_swab, uint64_t *pentry,
143 uint64_t *lowaddr, uint64_t *highaddr)
146 struct elf_phdr *phdr = NULL, *ph;
147 int size, i, total_size;
148 elf_word low = 0, high = 0;
149 elf_word mem_size, addr;
150 uint8_t *data = NULL;
152 if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))
155 glue(bswap_ehdr, SZ)(&ehdr);
158 if (ELF_MACHINE != ehdr.e_machine)
162 *pentry = (uint64_t)ehdr.e_entry;
164 glue(load_symbols, SZ)(&ehdr, fd, must_swab);
166 size = ehdr.e_phnum * sizeof(phdr[0]);
167 lseek(fd, ehdr.e_phoff, SEEK_SET);
168 phdr = qemu_mallocz(size);
171 if (read(fd, phdr, size) != size)
174 for(i = 0; i < ehdr.e_phnum; i++) {
176 glue(bswap_phdr, SZ)(ph);
181 for(i = 0; i < ehdr.e_phnum; i++) {
183 if (ph->p_type == PT_LOAD) {
184 mem_size = ph->p_memsz;
185 /* XXX: avoid allocating */
186 data = qemu_mallocz(mem_size);
187 if (ph->p_filesz > 0) {
188 if (lseek(fd, ph->p_offset, SEEK_SET) < 0)
190 if (read(fd, data, ph->p_filesz) != ph->p_filesz)
193 addr = ph->p_vaddr + virt_to_phys_addend;
195 cpu_physical_memory_write_rom(addr, data, mem_size);
197 total_size += mem_size;
198 if (!low || addr < low)
200 if (!high || (addr + mem_size) > high)
201 high = addr + mem_size;
209 *lowaddr = (uint64_t)low;
211 *highaddr = (uint64_t)high;