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search data in both .data and .sdata

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@199 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-05-29 20:05:18 +00:00
parent d0a1ffc957
commit c1e42a1397
1 changed files with 23 additions and 15 deletions
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38
dyngen.c
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@ -178,8 +178,8 @@ ElfW(Sym) *symtab;
int nb_syms;
char *strtab;
/* data section */
uint8_t *data_data;
int data_shndx;
uint8_t *data_data, *sdata_data;
int data_shndx, sdata_shndx;
uint16_t get16(uint16_t *p)
{
@ -499,11 +499,17 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
sym_name = strtab + sym->st_name;
if (strstart(sym_name, "__op_label", &p)) {
uint8_t *ptr;
/* test if the variable refers to a label inside
the code we are generating */
if (sym->st_shndx != data_shndx)
if (sym->st_shndx == data_shndx)
ptr = data_data;
else if (sym->st_shndx == sdata_shndx)
ptr = sdata_data;
else
error("__op_labelN symbols must be in .data or .sdata section");
val = *(target_ulong *)(data_data + sym->st_value);
val = *(target_ulong *)(ptr + sym->st_value);
if (val >= start_offset && val < start_offset + copy_size) {
n = strtol(p, NULL, 10);
fprintf(outfile, " label_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n", n, val - start_offset);
@ -878,7 +884,7 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum)
struct elf_shdr *sec, *symtab_sec, *strtab_sec, *text_sec;
int i, j;
ElfW(Sym) *sym;
char *shstr, *data_name;
char *shstr;
uint8_t *text;
void *relocs;
int nb_relocs, reloc_sh_type;
@ -930,16 +936,18 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum)
error("could not find .text section");
text = load_data(fd, text_sec->sh_offset, text_sec->sh_size);
#if defined(HOST_PPC)
data_name = ".sdata";
#else
data_name = ".data";
#endif
sec = find_elf_section(shdr, ehdr.e_shnum, shstr, data_name);
if (!sec)
error("could not find %s section", data_name);
data_shndx = sec - shdr;
data_data = load_data(fd, sec->sh_offset, sec->sh_size);
data_shndx = -1;
sec = find_elf_section(shdr, ehdr.e_shnum, shstr, ".data");
if (sec) {
data_shndx = sec - shdr;
data_data = load_data(fd, sec->sh_offset, sec->sh_size);
}
sdata_shndx = -1;
sec = find_elf_section(shdr, ehdr.e_shnum, shstr, ".sdata");
if (sec) {
sdata_shndx = sec - shdr;
sdata_data = load_data(fd, sec->sh_offset, sec->sh_size);
}
/* find text relocations, if any */
nb_relocs = 0;