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Diffstat (limited to 'gcc/jit/notes.txt')
| -rw-r--r-- | gcc/jit/notes.txt | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gcc/jit/notes.txt b/gcc/jit/notes.txt new file mode 100644 index 000000000000..d337cb46c43a --- /dev/null +++ b/gcc/jit/notes.txt @@ -0,0 +1,84 @@ +Client Code . Generated . libgccjit.so + . code . + . . JIT API . JIT "Frontend". (libbackend.a) +.................................................................................... + │ . . . . + ──────────────────────────> . . + . . │ . . + . . V . . + . . ──> libgccjit.c . + . . │ (error-checking). + . . │ . + . . ──> jit-recording.c + . . (record API calls) + . . <─────── . + . . │ . . + <─────────────────────────── . . + │ . . . . + │ . . . . + V . . gcc_jit_context_compile . + ──────────────────────────> . . + . . │ . . + . . │ ACQUIRE MUTEX . + . . │ . . + . . V───────────────────────> toplev::main (for now) + . . . . │ + . . . . (various code) + . . . . │ + . . . . V + . . . <───────────────── langhook:parse_file + . . . │ . + . . . │ (jit_langhook_parse_file) + . . . │ . +..........................................│..................VVVVVVVVVVVVV... + . . . │ . No GC in here + . . . │ jit-playback.c + . . . │ (playback of API calls) + . . . ───────────────> creation of functions, + . . . . types, expression trees + . . . <──────────────── etc + . . . │(handle_locations: add locations to + . . . │ linemap and associate them with trees) + . . . │ . + . . . │ . No GC in here +..........................................│..................AAAAAAAAAAAAA... + . . . │ for each function + . . . ──> postprocess + . . . │ . + . . . ────────────> cgraph_finalize_function + . . . <──────────── + . . . <── . + . . . │ . + . . . ──────────────────> (end of + . . . . │ langhook_parse_file) + . . . . │ + . . . . (various code) + . . . . │ + . . . . ↓ + . . . <───────────────── langhook:write_globals + . . . │ . + . . . │ (jit_langhook_write_globals) + . . . │ . + . . . │ . + . . . ──────────────────> finalize_compilation_unit + . . . . │ + . . . . (the middle─end and backend) + . . . . ↓ + . . <───────────────────────────── end of toplev::main + . . │ RELEASE MUTEX . + . . │ . . + . . │ Convert assembler to DSO + . . │ . . + . . │ Load DSO . + <─────────────────────────── . . + │ . . . . + Get (void*). . . . + │ . . . . + │ Call it . . . . + ───────────────> . . . + . │ . . . + . │ . . . + <─────────────── . . . + │ . . . . + │ . . . . +etc |