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6961697: move nmethod constants section before instruction section

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This is a preparation for 6961690.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-08-27 01:51:27 -07:00
parent 45d90a7775
commit 6a0c40f1fe
7 changed files with 122 additions and 130 deletions
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32
hotspot/src/share/vm/code/nmethod.cpp
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@ -87,9 +87,9 @@ struct nmethod_stats_struct {
int nmethod_count;
int total_size;
int relocation_size;
int consts_size;
int insts_size;
int stub_size;
int consts_size;
int scopes_data_size;
int scopes_pcs_size;
int dependencies_size;
@ -101,9 +101,9 @@ struct nmethod_stats_struct {
nmethod_count += 1;
total_size += nm->size();
relocation_size += nm->relocation_size();
consts_size += nm->consts_size();
insts_size += nm->insts_size();
stub_size += nm->stub_size();
consts_size += nm->consts_size();
oops_size += nm->oops_size();
scopes_data_size += nm->scopes_data_size();
scopes_pcs_size += nm->scopes_pcs_size();
@ -116,9 +116,9 @@ struct nmethod_stats_struct {
tty->print_cr("Statistics for %d bytecoded nmethods:", nmethod_count);
if (total_size != 0) tty->print_cr(" total in heap = %d", total_size);
if (relocation_size != 0) tty->print_cr(" relocation = %d", relocation_size);
if (consts_size != 0) tty->print_cr(" constants = %d", consts_size);
if (insts_size != 0) tty->print_cr(" main code = %d", insts_size);
if (stub_size != 0) tty->print_cr(" stub code = %d", stub_size);
if (consts_size != 0) tty->print_cr(" constants = %d", consts_size);
if (oops_size != 0) tty->print_cr(" oops = %d", oops_size);
if (scopes_data_size != 0) tty->print_cr(" scopes data = %d", scopes_data_size);
if (scopes_pcs_size != 0) tty->print_cr(" scopes pcs = %d", scopes_pcs_size);
@ -404,9 +404,9 @@ void nmethod::add_handler_for_exception_and_pc(Handle exception, address pc, add
int nmethod::total_size() const {
return
consts_size() +
insts_size() +
stub_size() +
consts_size() +
scopes_data_size() +
scopes_pcs_size() +
handler_table_size() +
@ -789,13 +789,17 @@ nmethod::nmethod(
_orig_pc_offset = orig_pc_offset;
// Section offsets
_consts_offset = content_offset() + code_buffer->total_offset_of(code_buffer->consts()->start());
_stub_offset = content_offset() + code_buffer->total_offset_of(code_buffer->stubs()->start());
_consts_offset = content_offset() + code_buffer->total_offset_of(code_buffer->consts());
_stub_offset = content_offset() + code_buffer->total_offset_of(code_buffer->stubs());
// Exception handler and deopt handler are in the stub section
_exception_offset = _stub_offset + offsets->value(CodeOffsets::Exceptions);
_deoptimize_offset = _stub_offset + offsets->value(CodeOffsets::Deopt);
_deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH);
if (has_method_handle_invokes()) {
_deoptimize_mh_offset = _stub_offset + offsets->value(CodeOffsets::DeoptMH);
} else {
_deoptimize_mh_offset = -1;
}
if (offsets->value(CodeOffsets::UnwindHandler) != -1) {
_unwind_handler_offset = code_offset() + offsets->value(CodeOffsets::UnwindHandler);
} else {
@ -885,9 +889,9 @@ void nmethod::log_new_nmethod() const {
xtty->print(" address='" INTPTR_FORMAT "'", (intptr_t) this);
LOG_OFFSET(xtty, relocation);
LOG_OFFSET(xtty, consts);
LOG_OFFSET(xtty, insts);
LOG_OFFSET(xtty, stub);
LOG_OFFSET(xtty, consts);
LOG_OFFSET(xtty, scopes_data);
LOG_OFFSET(xtty, scopes_pcs);
LOG_OFFSET(xtty, dependencies);
@ -2336,6 +2340,10 @@ void nmethod::print() const {
relocation_begin(),
relocation_end(),
relocation_size());
if (consts_size () > 0) tty->print_cr(" constants [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d",
consts_begin(),
consts_end(),
consts_size());
if (insts_size () > 0) tty->print_cr(" main code [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d",
insts_begin(),
insts_end(),
@ -2344,10 +2352,6 @@ void nmethod::print() const {
stub_begin(),
stub_end(),
stub_size());
if (consts_size () > 0) tty->print_cr(" constants [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d",
consts_begin(),
consts_end(),
consts_size());
if (oops_size () > 0) tty->print_cr(" oops [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d",
oops_begin(),
oops_end(),
@ -2372,10 +2376,6 @@ void nmethod::print() const {
nul_chk_table_begin(),
nul_chk_table_end(),
nul_chk_table_size());
if (oops_size () > 0) tty->print_cr(" oops [" INTPTR_FORMAT "," INTPTR_FORMAT "] = %d",
oops_begin(),
oops_end(),
oops_size());
}
void nmethod::print_code() {