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diff --git a/chapter21/README.md b/chapter21/README.md index 80304c1a..a3ae6cb8 100644 --- a/chapter21/README.md +++ b/chapter21/README.md @@ -17,6 +17,18 @@ in the linear revision history and Here is the [complete language grammar](docs/21-grammar.md) for this chapter. +Two phases extend the pipeline: `Encoding` turns allocated nodes into bytes, +and `Export` resolves relocations in memory or writes an ELF object. For example: + +```java +code.driver(CodeGen.Phase.Encoding, "x86_64_v2", "SystemV"); +code.exportELF("program.o"); +``` + +The CLI uses the same driver. `--dump-after-iter`, the other phase dump options, +and `--dump-time` expose the stages without duplicating their ordering in the +command-line frontend. + ## From machine nodes to bytes Instruction selection chooses the operation and register constraints. Register |