system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-11-05 20:35:44 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix 64 bit ELF file symbol lookup

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3046 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-07-05 13:23:29 +00:00
parent 46d38ba89d
commit 0774bed180
1 changed files with 24 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
linux-user/elfload.c
View file

@ -893,6 +893,11 @@ static void load_symbols(struct elfhdr *hdr, int fd)
struct elf_shdr sechdr, symtab, strtab;
char *strings;
struct syminfo *s;
#if (ELF_CLASS == ELFCLASS64)
// Disas uses 32 bit symbols
struct elf32_sym *syms32 = NULL;
struct elf_sym *sym;
#endif
lseek(fd, hdr->e_shoff, SEEK_SET);
for (i = 0; i < hdr->e_shnum; i++) {
@ -920,6 +925,10 @@ static void load_symbols(struct elfhdr *hdr, int fd)
/* Now know where the strtab and symtab are. Snarf them. */
s = malloc(sizeof(*s));
s->disas_symtab = malloc(symtab.sh_size);
#if (ELF_CLASS == ELFCLASS64)
syms32 = malloc(symtab.sh_size / sizeof(struct elf_sym)
* sizeof(struct elf32_sym));
#endif
s->disas_strtab = strings = malloc(strtab.sh_size);
if (!s->disas_symtab || !s->disas_strtab)
return;
@ -928,11 +937,25 @@ static void load_symbols(struct elfhdr *hdr, int fd)
if (read(fd, s->disas_symtab, symtab.sh_size) != symtab.sh_size)
return;
for (i = 0; i < symtab.sh_size / sizeof(struct elf_sym); i++) {
#ifdef BSWAP_NEEDED
for (i = 0; i < symtab.sh_size / sizeof(struct elf_sym); i++)
bswap_sym(s->disas_symtab + sizeof(struct elf_sym)*i);
#endif
#if (ELF_CLASS == ELFCLASS64)
sym = s->disas_symtab + sizeof(struct elf_sym)*i;
syms32[i].st_name = sym->st_name;
syms32[i].st_info = sym->st_info;
syms32[i].st_other = sym->st_other;
syms32[i].st_shndx = sym->st_shndx;
syms32[i].st_value = sym->st_value & 0xffffffff;
syms32[i].st_size = sym->st_size & 0xffffffff;
#endif
}
#if (ELF_CLASS == ELFCLASS64)
free(s->disas_symtab);
s->disas_symtab = syms32;
#endif
lseek(fd, strtab.sh_offset, SEEK_SET);
if (read(fd, strings, strtab.sh_size) != strtab.sh_size)
return;