diff options
| author | Sam Clegg <sbc@chromium.org> | 2017-05-08 17:56:23 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-05-08 17:56:23 -0700 |
| commit | 47407e7f11a7cc4568b2901bf2dd36b8ebf91cec (patch) | |
| tree | 6e652232264b5da42992faddf3508d3199ce3de9 | |
| parent | ea9cd441420da1d129271a669872bc444c35ad2f (diff) | |
| download | wabt-47407e7f11a7cc4568b2901bf2dd36b8ebf91cec.tar.gz wabt-47407e7f11a7cc4568b2901bf2dd36b8ebf91cec.tar.bz2 wabt-47407e7f11a7cc4568b2901bf2dd36b8ebf91cec.zip | |
Add wasmdump support for start section (#420)
| -rw-r--r-- | src/binary-reader-objdump.cc | 11 | ||||
| -rw-r--r-- | test/dump/start.txt | 82 |
2 files changed, 93 insertions, 0 deletions
diff --git a/src/binary-reader-objdump.cc b/src/binary-reader-objdump.cc index 3c83e693..ebbec6da 100644 --- a/src/binary-reader-objdump.cc +++ b/src/binary-reader-objdump.cc @@ -447,6 +447,8 @@ class BinaryReaderObjdump : public BinaryReaderObjdumpBase { uint32_t item_index, StringSlice name); + virtual Result OnStartFunction(uint32_t func_index); + virtual Result OnFunctionBodyCount(uint32_t count); virtual Result OnElemSegmentCount(uint32_t count); @@ -616,6 +618,15 @@ Result BinaryReaderObjdump::OnFunctionBodyCount(uint32_t count) { return OnCount(count); } +Result BinaryReaderObjdump::OnStartFunction(uint32_t func_index) { + if (options->mode == ObjdumpMode::Headers) { + printf("start: %d\n", func_index); + } else { + PrintDetails(" - start function: %d\n", func_index); + } + return Result::Ok; +} + Result BinaryReaderObjdump::OnImportCount(uint32_t count) { return OnCount(count); } diff --git a/test/dump/start.txt b/test/dump/start.txt new file mode 100644 index 00000000..af2a9658 --- /dev/null +++ b/test/dump/start.txt @@ -0,0 +1,82 @@ +;;; TOOL: run-wasmdump +;;; FLAGS: -v --dump-verbose --headers +(module + (func $a) + (func $b) + (func $start) + (start $start)) +(;; STDOUT ;;; +0000000: 0061 736d ; WASM_BINARY_MAGIC +0000004: 0100 0000 ; WASM_BINARY_VERSION +; section "Type" (1) +0000008: 01 ; section code +0000009: 00 ; section size (guess) +000000a: 01 ; num types +; type 0 +000000b: 60 ; func +000000c: 00 ; num params +000000d: 00 ; num results +0000009: 04 ; FIXUP section size +; section "Function" (3) +000000e: 03 ; section code +000000f: 00 ; section size (guess) +0000010: 03 ; num functions +0000011: 00 ; function 0 signature index +0000012: 00 ; function 1 signature index +0000013: 00 ; function 2 signature index +000000f: 04 ; FIXUP section size +; section "Start" (8) +0000014: 08 ; section code +0000015: 00 ; section size (guess) +0000016: 02 ; start func index +0000015: 01 ; FIXUP section size +; section "Code" (10) +0000017: 0a ; section code +0000018: 00 ; section size (guess) +0000019: 03 ; num functions +; function body 0 +000001a: 00 ; func body size (guess) +000001b: 00 ; local decl count +000001c: 0b ; end +000001a: 02 ; FIXUP func body size +; function body 1 +000001d: 00 ; func body size (guess) +000001e: 00 ; local decl count +000001f: 0b ; end +000001d: 02 ; FIXUP func body size +; function body 2 +0000020: 00 ; func body size (guess) +0000021: 00 ; local decl count +0000022: 0b ; end +0000020: 02 ; FIXUP func body size +0000018: 0a ; FIXUP section size + +start.wasm: file format wasm 0x1 + +Sections: + + Type start=0x0000000a end=0x0000000e (size=0x00000004) count: 1 + Function start=0x00000010 end=0x00000014 (size=0x00000004) count: 3 + Start start=0x00000016 end=0x00000017 (size=0x00000001) start: 2 + Code start=0x00000019 end=0x00000023 (size=0x0000000a) count: 3 + +Section Details: + +Type: + - [0] () -> nil +Function: + - func[0] sig=0 + - func[1] sig=0 + - func[2] sig=0 +Start: + - start function: 2 + +Code Disassembly: + +00001a func[0]: + 00001c: 0b | end +00001d func[1]: + 00001f: 0b | end +000020 func[2]: + 000022: 0b | end +;;; STDOUT ;;) |