Wouter van Oortmerssen f3b762a0b6 [WebAssembly] Fixed objdump not parsing function headers.
Summary:
objdump was interpreting the function header containing the locals
declaration as instructions. To parse these without injecting target
specific code in objdump, MCDisassembler::onSymbolStart was added to
be implemented by the WebAssembly implemention.

WasmObjectFile now returns a code offset for the "address" of a symbol,
rather than the index. This is also more in-line with what other
targets do.

Also ensured that the AsmParser correctly puts each function
in its own segment to enable this test case.

Reviewers: sbc100, dschuff

Subscribers: jgravelle-google, aheejin, sunfish, rupprecht, llvm-commits

Differential Revision: https://reviews.llvm.org/D56684

llvm-svn: 351460
2019-01-17 18:14:09 +00:00

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RUN: llvm-objdump -t %p/../Inputs/trivial.obj.wasm | FileCheck %s
CHECK: SYMBOL TABLE:
CHECK-NEXT: 00000001 g F CODE main
CHECK-NEXT: 00000000 l O DATA .L.str
CHECK-NEXT: 00000000 g F *UND* puts
CHECK-NEXT: 00000019 l F CODE .LSomeOtherFunction_bitcast
CHECK-NEXT: 00000000 g F *UND* SomeOtherFunction
CHECK-NEXT: 00000010 g O DATA var