ia64/xen-unstable

view tools/ioemu/elf_ops.h @ 15841:c5f735271e22

[IA64] Foreign p2m: Fix vti domain builder.

It should set arch_domain::convmem_end.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Alex Williamson <alex.williamson@hp.com>
date Thu Sep 06 13:48:43 2007 -0600 (2007-09-06)
parents 00618037d37d
children
line source
1 static void glue(bswap_ehdr, SZ)(struct elfhdr *ehdr)
2 {
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 */
16 }
18 static void glue(bswap_phdr, SZ)(struct elf_phdr *phdr)
19 {
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 */
28 }
30 static void glue(bswap_shdr, SZ)(struct elf_shdr *shdr)
31 {
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);
42 }
44 static void glue(bswap_sym, SZ)(struct elf_sym *sym)
45 {
46 bswap32s(&sym->st_name);
47 bswapSZs(&sym->st_value);
48 bswapSZs(&sym->st_size);
49 bswap16s(&sym->st_shndx);
50 }
52 static struct elf_shdr *glue(find_section, SZ)(struct elf_shdr *shdr_table,
53 int n, int type)
54 {
55 int i;
56 for(i=0;i<n;i++) {
57 if (shdr_table[i].sh_type == type)
58 return shdr_table + i;
59 }
60 return NULL;
61 }
63 static int glue(load_symbols, SZ)(struct elfhdr *ehdr, int fd, int must_swab)
64 {
65 struct elf_shdr *symtab, *strtab, *shdr_table = NULL;
66 struct elf_sym *syms = NULL;
67 #if (SZ == 64)
68 struct elf32_sym *syms32 = NULL;
69 #endif
70 struct syminfo *s;
71 int nsyms, i;
72 char *str = NULL;
74 shdr_table = load_at(fd, ehdr->e_shoff,
75 sizeof(struct elf_shdr) * ehdr->e_shnum);
76 if (!shdr_table)
77 return -1;
79 if (must_swab) {
80 for (i = 0; i < ehdr->e_shnum; i++) {
81 glue(bswap_shdr, SZ)(shdr_table + i);
82 }
83 }
85 symtab = glue(find_section, SZ)(shdr_table, ehdr->e_shnum, SHT_SYMTAB);
86 if (!symtab)
87 goto fail;
88 syms = load_at(fd, symtab->sh_offset, symtab->sh_size);
89 if (!syms)
90 goto fail;
92 nsyms = symtab->sh_size / sizeof(struct elf_sym);
93 #if (SZ == 64)
94 syms32 = qemu_mallocz(nsyms * sizeof(struct elf32_sym));
95 #endif
96 for (i = 0; i < nsyms; i++) {
97 if (must_swab)
98 glue(bswap_sym, SZ)(&syms[i]);
99 #if (SZ == 64)
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;
106 #endif
107 }
108 /* String table */
109 if (symtab->sh_link >= ehdr->e_shnum)
110 goto fail;
111 strtab = &shdr_table[symtab->sh_link];
113 str = load_at(fd, strtab->sh_offset, strtab->sh_size);
114 if (!str)
115 goto fail;
117 /* Commit */
118 s = qemu_mallocz(sizeof(*s));
119 #if (SZ == 64)
120 s->disas_symtab = syms32;
121 qemu_free(syms);
122 #else
123 s->disas_symtab = syms;
124 #endif
125 s->disas_num_syms = nsyms;
126 s->disas_strtab = str;
127 s->next = syminfos;
128 syminfos = s;
129 qemu_free(shdr_table);
130 return 0;
131 fail:
132 #if (SZ == 64)
133 qemu_free(syms32);
134 #endif
135 qemu_free(syms);
136 qemu_free(str);
137 qemu_free(shdr_table);
138 return -1;
139 }
141 int glue(load_elf, SZ)(int fd, int64_t virt_to_phys_addend,
142 int must_swab, uint64_t *pentry)
143 {
144 struct elfhdr ehdr;
145 struct elf_phdr *phdr = NULL, *ph;
146 int size, i, total_size;
147 elf_word mem_size, addr;
148 uint8_t *data = NULL;
150 if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))
151 goto fail;
152 if (must_swab) {
153 glue(bswap_ehdr, SZ)(&ehdr);
154 }
156 if (ELF_MACHINE != ehdr.e_machine)
157 goto fail;
159 if (pentry)
160 *pentry = (uint64_t)ehdr.e_entry;
162 glue(load_symbols, SZ)(&ehdr, fd, must_swab);
164 size = ehdr.e_phnum * sizeof(phdr[0]);
165 lseek(fd, ehdr.e_phoff, SEEK_SET);
166 phdr = qemu_mallocz(size);
167 if (!phdr)
168 goto fail;
169 if (read(fd, phdr, size) != size)
170 goto fail;
171 if (must_swab) {
172 for(i = 0; i < ehdr.e_phnum; i++) {
173 ph = &phdr[i];
174 glue(bswap_phdr, SZ)(ph);
175 }
176 }
178 total_size = 0;
179 for(i = 0; i < ehdr.e_phnum; i++) {
180 ph = &phdr[i];
181 if (ph->p_type == PT_LOAD) {
182 mem_size = ph->p_memsz;
183 /* XXX: avoid allocating */
184 data = qemu_mallocz(mem_size);
185 if (ph->p_filesz > 0) {
186 if (lseek(fd, ph->p_offset, SEEK_SET) < 0)
187 goto fail;
188 if (read(fd, data, ph->p_filesz) != ph->p_filesz)
189 goto fail;
190 }
191 addr = ph->p_vaddr + virt_to_phys_addend;
193 cpu_physical_memory_write_rom(addr, data, mem_size);
195 total_size += mem_size;
197 qemu_free(data);
198 data = NULL;
199 }
200 }
201 qemu_free(phdr);
202 return total_size;
203 fail:
204 qemu_free(data);
205 qemu_free(phdr);
206 return -1;
207 }