For information about how floating-point numbers are represented in the Alpha architecture, refer to the Alpha Architecture Reference Manual. If you can identify hidden entry points or other useful information about the input executable, you can write a feedback file manually to give fpx the information it is unable to discover during a translation. For example, code that is invoked only by signal handlers in stripped executables is usually a hidden entry point. Your feedback files must follow the naming requirements described in Creating and using a feedback file and the format shown in Format used in feedback files in this chapter. The translator ignores them.
Case is significant in property names.
For each line, use spaces to separate the values of the offset , property name , and property value . Example 4-1 is an excerpt from a sample . Use the format shown if you are writing a feedback file. Table 4-2 Property names and values in feedback files Property name Property Value Interpretation branchentry symbolic name Defines the offset as the target of a branch instruction. The offset can be any location inside the basic block where the problem occurs.