LIR compiler: Difference between revisions
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* Need stub code (or docs) for pieces of Nanojit that are provided by the application, like <code>MMgc</code> and <code>VerboseWriter::formatGuard</code>. | * Need stub code (or docs) for pieces of Nanojit that are provided by the application, like <code>MMgc</code> and <code>VerboseWriter::formatGuard</code>. | ||
* jorendorff doesn't understand guards well enough. Need to figure out what side exits should actually do. | * jorendorff doesn't understand guards well enough. Need to figure out what side exits should actually do. | ||
* If this tool is to be used cross-platform for testing, it would really help to be able to say <code>x = ld p[6 * sizeof intptr_t] | |||
* Many opcodes are not well understood, e.g. <code>ji</code> and <code>xi</code>. | |||
Revision as of 22:19, 3 February 2009
A project to write a Nanojit-based tool that reads a file containing Nanojit LIR instructions and spits out a .s file that you can then feed to your platform's assembler (if you happen to be on the right platform, anyway).
Contacts: paritosh1010 and Jason Orendorff (jorendorff at mozilla dot com)
Goal 0
Write, compile and link a small C++ program with the Nanojit library.
Goal 1
Get a program to successfully feed this input to a nanojit::LirWriter.
start two = int 2 twoPlusTwo = add two, two ret twoPlusTwo
Open issues
- Need stub code (or docs) for pieces of Nanojit that are provided by the application, like
MMgcandVerboseWriter::formatGuard. - jorendorff doesn't understand guards well enough. Need to figure out what side exits should actually do.
- If this tool is to be used cross-platform for testing, it would really help to be able to say
x = ld p[6 * sizeof intptr_t] - Many opcodes are not well understood, e.g.
jiandxi.