static elf_symtab_entry *
elf_objfmt_symtab_append(yasm_objfmt_elf *objfmt_elf, yasm_symrec *sym,
elf_section_index sectidx, elf_symbol_binding bind,
elf_symbol_type type, elf_symbol_vis vis,
yasm_expr *size, elf_address *value,
yasm_object *object)
{
elf_symtab_entry *entry = yasm_symrec_get_data(sym, &elf_symrec_data);
if (!entry) {
/*@only@*/ char *symname = yasm_symrec_get_global_name(sym, object);
elf_strtab_entry *name =
elf_strtab_append_str(objfmt_elf->strtab, symname);
yasm_xfree(symname);
entry = elf_symtab_entry_create(name, sym);
yasm_symrec_add_data(sym, &elf_symrec_data, entry);
}
/* Only append to table if not already appended */
if (!elf_sym_in_table(entry))
elf_symtab_append_entry(objfmt_elf->elf_symtab, entry);
elf_symtab_set_nonzero(entry, NULL, sectidx, bind, type, size, value);
elf_sym_set_visibility(entry, vis);
return entry;
}
static int
xdf_objfmt_output_str(yasm_symrec *sym, /*@null@*/ void *d)
{
/*@null@*/ xdf_objfmt_output_info *info = (xdf_objfmt_output_info *)d;
yasm_sym_vis vis = yasm_symrec_get_visibility(sym);
assert(info != NULL);
if (info->all_syms || vis != YASM_SYM_LOCAL) {
/*@only@*/ char *name = yasm_symrec_get_global_name(sym, info->object);
size_t len = strlen(name);
fwrite(name, len+1, 1, info->f);
yasm_xfree(name);
}
return 0;
}
static int
xdf_objfmt_output_sym(yasm_symrec *sym, /*@null@*/ void *d)
{
/*@null@*/ xdf_objfmt_output_info *info = (xdf_objfmt_output_info *)d;
yasm_sym_vis vis = yasm_symrec_get_visibility(sym);
assert(info != NULL);
if (info->all_syms || vis != YASM_SYM_LOCAL) {
/*@only@*/ char *name = yasm_symrec_get_global_name(sym, info->object);
const yasm_expr *equ_val;
const yasm_intnum *intn;
size_t len = strlen(name);
unsigned long value = 0;
long scnum = -3; /* -3 = debugging symbol */
/*@dependent@*/ /*@null@*/ yasm_section *sect;
/*@dependent@*/ /*@null@*/ yasm_bytecode *precbc;
unsigned long flags = 0;
unsigned char *localbuf;
if (vis & YASM_SYM_GLOBAL)
flags = XDF_SYM_GLOBAL;
/* Look at symrec for value/scnum/etc. */
if (yasm_symrec_get_label(sym, &precbc)) {
if (precbc)
sect = yasm_bc_get_section(precbc);
else
sect = NULL;
/* it's a label: get value and offset.
* If there is not a section, leave as debugging symbol.
*/
if (sect) {
/*@dependent@*/ /*@null@*/ xdf_section_data *csectd;
csectd = yasm_section_get_data(sect, &xdf_section_data_cb);
if (csectd)
scnum = csectd->scnum;
else
yasm_internal_error(N_("didn't understand section"));
if (precbc)
value += yasm_bc_next_offset(precbc);
}
} else if ((equ_val = yasm_symrec_get_equ(sym))) {
yasm_expr *equ_val_copy = yasm_expr_copy(equ_val);
intn = yasm_expr_get_intnum(&equ_val_copy, 1);
if (!intn) {
if (vis & YASM_SYM_GLOBAL) {
yasm_error_set(YASM_ERROR_NOT_CONSTANT,
N_("global EQU value not an integer expression"));
yasm_errwarn_propagate(info->errwarns, equ_val->line);
}
} else
value = yasm_intnum_get_uint(intn);
yasm_expr_destroy(equ_val_copy);
flags |= XDF_SYM_EQU;
scnum = -2; /* -2 = absolute symbol */
} else {
if (vis & YASM_SYM_EXTERN) {
flags = XDF_SYM_EXTERN;
scnum = -1;
}
}
localbuf = info->buf;
YASM_WRITE_32_L(localbuf, scnum); /* section number */
YASM_WRITE_32_L(localbuf, value); /* value */
YASM_WRITE_32_L(localbuf, info->strtab_offset);
info->strtab_offset += (unsigned long)(len+1);
YASM_WRITE_32_L(localbuf, flags); /* flags */
fwrite(info->buf, 16, 1, info->f);
yasm_xfree(name);
}
return 0;
}
