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Tracking code low/high addresses per module.

This commit is contained in:
Ben Vanik 2013-02-24 11:45:16 -08:00
parent c60bc70bcc
commit c46093266e
2 changed files with 21 additions and 0 deletions
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19
src/xenia/cpu/exec_module.cc
View File

@ -73,6 +73,22 @@ int ExecModule::PrepareXex(xe_xex2_ref xex) {
sdb_ = shared_ptr<sdb::SymbolDatabase>(
new sdb::XexSymbolDatabase(memory_, export_resolver_.get(), xex));
code_addr_low_ = 0;
code_addr_high_ = 0;
const xe_xex2_header_t* header = xe_xex2_get_header(xex);
for (size_t n = 0, i = 0; n < header->section_count; n++) {
const xe_xex2_section_t* section = &header->sections[n];
const size_t start_address =
header->exe_address + (i * xe_xex2_section_length);
const size_t end_address =
start_address + (section->info.page_count * xe_xex2_section_length);
if (section->info.type == XEX_SECTION_CODE) {
code_addr_low_ = MIN(code_addr_low_, start_address);
code_addr_high_ = MAX(code_addr_high_, end_address);
}
i += section->info.page_count;
}
int result_code = Prepare();
if (result_code) {
return result_code;
@ -89,6 +105,9 @@ int ExecModule::PrepareRawBinary(uint32_t start_address, uint32_t end_address) {
new sdb::RawSymbolDatabase(memory_, export_resolver_.get(),
start_address, end_address));
code_addr_low_ = start_address;
code_addr_high_ = end_address;
return Prepare();
}

2
src/xenia/cpu/exec_module.h
View File

@ -72,6 +72,8 @@ private:
shared_ptr<llvm::Module> gen_module_;
auto_ptr<codegen::ModuleGenerator> codegen_;
uint32_t code_addr_low_;
uint32_t code_addr_high_;
FunctionMap fns_;
};