int SourceAssembler::find_gp_offset(const char *name) {
#if !ENABLE_THUMB_GP_TABLE
int offset = 256 * sizeof(OopDesc*); // skip the bytecode table
if (ENABLE_DISPATCH_TABLE_PADDING) {
offset += 8 * sizeof(OopDesc*); // 8 extra bytecodes.
}
#else
int offset = 1 * sizeof(OopDesc*); // skip the nop bytecode
#endif
static const GPTemplate gp_templates[] = {
GP_SYMBOLS_DO(DEFINE_GP_POINTER, DEFINE_GP_VALUE)
{NULL, 0, 0, 0}
};
for (const GPTemplate* tmpl = gp_templates; tmpl->name; tmpl++) {
if (jvm_strcmp(name, tmpl->name) == 0) {
return offset;
}
offset += tmpl->size;
GUARANTEE((offset % 4) == 0, "must be word aligned");
}
SHOULD_NOT_REACH_HERE();
return 0;
}
void GPTableGenerator::generate_constants_table() {
int i;
bind("gp_constants");
static const GPTemplate gp_templates[] = {
GP_SYMBOLS_DO(DEFINE_GP_POINTER, DEFINE_GP_VALUE)
{NULL, 0, 0, 0}
};
for (const GPTemplate* tmpl = gp_templates; tmpl->name; tmpl++) {
if (tmpl->is_pointer) {
char buff[120];
jvm_sprintf(buff, "gp_%s_ptr", tmpl->name);
bind(buff);
Label L(tmpl->name);
if (!tmpl->is_asm) {
import(L);
}
define_long(L);
} else {
if (jvm_strcmp(tmpl->name, "current_thread") == 0) {
bind("jvm_fast_globals");
}
char buff[120];
jvm_sprintf(buff, "_%s", tmpl->name);
bind(buff);
if (jvm_strcmp(tmpl->name, "bit_selector") == 0) {
// IMPL_NOTE: create a common framework to define initial values
define_long(0x80808080);
} else {
define_zeros(tmpl->size);
}
}
}
if (!GenerateGPTableOnly) {
// Some constants to check we've linked with the right ROM
Label L1(XSTR(_ROM_LINKCHECK_HLE));
import(L1);
define_long(L1);
Label L2(XSTR(_ROM_LINKCHECK_MFFD));
import(L2);
define_long(L2);
Label L3(XSTR(_ROM_LINKCHECK_MFFL));
import(L3);
define_long(L3);
}
if (ENABLE_THUMB_GP_TABLE && GenerateGPTableOnly) {
// These symbols are necessary to link romgen.
// We define a long for each entry, since they
// should be bound to different addresses.
bind("jvm_ladd");
define_long(0);
bind("jvm_lsub");
define_long(0);
bind("jvm_land");
define_long(0);
bind("jvm_lor");
define_long(0);
bind("jvm_lxor");
define_long(0);
bind("jvm_lcmp");
define_long(0);
bind("jvm_lmin");
define_long(0);
bind("jvm_lmax");
define_long(0);
bind("jvm_lmul");
define_long(0);
bind("jvm_lshl");
define_long(0);
bind("jvm_lshr");
define_long(0);
bind("jvm_lushr");
define_long(0);
}
bind("gp_constants_end");
}
