diff options
Diffstat (limited to 'c_compiler/src/function.cpp')
| -rw-r--r-- | c_compiler/src/function.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/c_compiler/src/function.cpp b/c_compiler/src/function.cpp index acd5547..5475ec9 100644 --- a/c_compiler/src/function.cpp +++ b/c_compiler/src/function.cpp @@ -45,9 +45,23 @@ void Function::printxml() const void Function::printasm() const { + // Counting all the variables being declared in the function int32_t count = 0; if(statement != nullptr) statement->count_variables(count); - std::cout << id << ": " << count << " variables defined" << std::endl; + // This includes the space for the old frame counter and (return address)? + int32_t memory_needed = 4*count+8; + + std::cout << "\t.text\n\t.globl\t" << id << std::endl << id << ":\n\taddiu\t$sp,$sp,-" + << memory_needed << "\n\tsw\t$fp," << memory_needed-4 << "($sp)\n\tmove\t$fp,$sp" + << std::endl; + + // TODO print asm for parameters + + // Prints the asm for the compound statement in the function + statement->printasm(); + + std::cout << "\tmove\t$sp,$fp\n\tlw\t$fp," << memory_needed-4 << "($sp)\n\taddiu\t$sp,$sp," + << memory_needed << "\n\tjr\t$31\n\tnop" << std::endl; } |