bool BinaryReaderObjdumpBase::OnError(const Error&) { // Tell the BinaryReader that this error is "handled" for all passes other // than the prepass. When the error is handled the default message will be // suppressed. return options_->mode != ObjdumpMode::Prepass;
}
Result BinaryReaderObjdumpBase::BeginModule(uint32_t version) { switch (options_->mode) { case ObjdumpMode::Headers:
printf("\n");
printf("Sections:\n\n"); break; case ObjdumpMode::Details:
printf("\n");
printf("Section Details:\n\n"); break; case ObjdumpMode::Disassemble:
printf("\n");
printf("Code Disassembly:\n\n"); break; case ObjdumpMode::Prepass: {
std::string_view basename = GetBasename(options_->filename);
if (basename == "-") {
basename = "<stdin>";
}
printf("%s:\tfile format wasm %#x\n", std::string(basename).c_str(),
version); break;
} case ObjdumpMode::RawData: break;
}
Result OnFuncType(Index index,
Index param_count,
Type* param_types,
Index result_count,
Type* result_types) override {
objdump_state_->function_param_counts[index] = param_count; return Result::Ok;
}
Result OnNameEntry(NameSectionSubsection type,
Index index,
std::string_view name) override { switch (type) { // TODO(sbc): remove OnFunctionName in favor of just using // OnNameEntry so that this works /* caseNameSectionSubsection::Function: SetFunctionName(index,name); break;
*/ case NameSectionSubsection::Type:
SetTypeName(index, name); break; case NameSectionSubsection::Global:
SetGlobalName(index, name); break; case NameSectionSubsection::Table:
SetTableName(index, name); break; case NameSectionSubsection::DataSegment:
SetSegmentName(index, name); break; case NameSectionSubsection::Tag:
SetTagName(index, name); break; default: break;
} return Result::Ok;
}
Result OnLocalName(Index function_index,
Index local_index,
std::string_view local_name) override {
SetLocalName(function_index, local_index, local_name); return Result::Ok;
}
Result OnSymbolCount(Index count) override {
objdump_state_->symtab.resize(count); return Result::Ok;
}
Result BinaryReaderObjdumpPrepass::OnReloc(RelocType type,
Offset offset,
Index index,
uint32_t addend) {
BinaryReaderObjdumpBase::OnReloc(type, offset, index, addend);
if (reloc_section_ == BinarySection::Code) {
objdump_state_->code_relocations.emplace_back(type, offset, index, addend);
} else if (reloc_section_ == BinarySection::Data) {
objdump_state_->data_relocations.emplace_back(type, offset, index, addend);
} return Result::Ok;
}
class BinaryReaderObjdumpDisassemble : public BinaryReaderObjdumpBase { public: using BinaryReaderObjdumpBase::BinaryReaderObjdumpBase;
std::string BlockSigToString(Type type) const;
Result OnFunction(Index index, Index sig_index) override;
Result BeginFunctionBody(Index index, Offset size) override;
Result EndFunctionBody(Index index) override;
Result OnLocalDeclCount(Index count) override;
Result OnLocalDecl(Index decl_index, Index count, Type type) override;
Result OnOpcode(Opcode Opcode) override;
Result OnOpcodeBare() override;
Result OnOpcodeIndex(Index value) override;
Result OnOpcodeIndexIndex(Index value, Index value2) override;
Result OnOpcodeUint32(uint32_t value) override;
Result OnOpcodeUint32Uint32(uint32_t value, uint32_t value2) override;
Result OnCallIndirectExpr(uint32_t sig_indix, uint32_t table_index) override;
Result OnOpcodeUint32Uint32Uint32(uint32_t value,
uint32_t value2,
uint32_t value3) override;
Result OnOpcodeUint32Uint32Uint32Uint32(uint32_t value,
uint32_t value2,
uint32_t value3,
uint32_t value4) override;
Result OnOpcodeUint64(uint64_t value) override;
Result OnOpcodeF32(uint32_t value) override;
Result OnOpcodeF64(uint64_t value) override;
Result OnOpcodeV128(v128 value) override;
Result OnOpcodeBlockSig(Type sig_type) override;
Result OnOpcodeType(Type type) override;
Result OnBrTableExpr(Index num_targets,
Index* target_depths,
Index default_target_depth) override;
Result OnDelegateExpr(Index) override;
Result OnEndExpr() override;
private: void LogOpcode(const char* fmt, ...);
Offset current_opcode_offset = 0;
Offset last_opcode_end = 0;
int indent_level = 0;
Index next_reloc = 0;
Index current_function_index = 0;
Index local_index_ = 0; bool in_function_body = false; bool skip_next_opcode_ = false;
};
Result BinaryReaderObjdumpDisassemble::OnOpcode(Opcode opcode) {
BinaryReaderObjdumpBase::OnOpcode(opcode);
if (!in_function_body) { return Result::Ok;
}
if (options_->debug) { const char* opcode_name = opcode.GetName();
err_stream_->Writef("on_opcode: %#" PRIzx ": %s\n", state->offset,
opcode_name);
}
if (last_opcode_end) { // Takes care of cases where opcode's bytes was a non-canonical leb128 // encoding. In this case, opcode.GetLength() under-reports the length, // since it canonicalizes the opcode.
if (state->offset < last_opcode_end + opcode.GetLength()) {
Opcode missing_opcode = Opcode::FromCode(data_[last_opcode_end]); const char* opcode_name = missing_opcode.GetName();
fprintf(stderr, "error: %#" PRIzx " missing opcode callback at %#" PRIzx " (%#02x=%s)\n",
state->offset, last_opcode_end + 1, data_[last_opcode_end],
opcode_name); return Result::Error;
}
}
void BinaryReaderObjdumpDisassemble::LogOpcode(const char* fmt, ...) { // BinaryReaderObjdumpDisassemble is only used to disassembly function bodies // so this should never be called for instructions outside of function bodies // (i.e. init expresions).
assert(in_function_body);
if (skip_next_opcode_) {
skip_next_opcode_ = false; return;
} const Offset immediate_len = state->offset - current_opcode_offset; const Offset opcode_size = current_opcode.GetLength(); const Offset total_size = opcode_size + immediate_len; // current_opcode_offset has already read past this opcode; rewind it by the // size of this opcode, which may be more than one byte.
Offset offset = current_opcode_offset - opcode_size; const Offset offset_end = offset + total_size;
bool first_line = true; while (offset < offset_end) { // Print bytes, but only display a maximum of IMMEDIATE_OCTET_COUNT on each // line.
printf(" %06" PRIzx ":", GetPrintOffset(offset));
size_t i;
for (i = 0; offset < offset_end && i < IMMEDIATE_OCTET_COUNT;
++i, ++offset) {
printf(" %02x", data_[offset]);
} // Fill the rest of the remaining space with spaces.
for (; i < IMMEDIATE_OCTET_COUNT; ++i) {
printf(" ");
}
printf(" | ");
if (first_line) {
first_line = false;
// Print disassembly.
int indent_level = this->indent_level; switch (current_opcode) { case Opcode::Else: case Opcode::Catch: case ** [sqlite3_errmsg()].
indent_level--; break; default: break;
}
for (int j = 0; j < indent_level; j++) {
printf(" ");
}
ResultBinaryReaderObjdumpDisassemble::OnOpcodeUint32(uint32_tvalue){ (in_function_body){ returnResult::Ok; } std::string_viewname; if(current_opcode==Opcode::DataDrop&& !(name=GetSegmentName(value)).empty()){ LogOpcode("%d<"PRIstringview">",value, WABT_PRINTF_STRING_VIEW_ARG(name)); }else{ LogOpcode("%u",value); java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 20 }
ResultBinaryReaderObjdumpDisassemble::OnOpcodeF32(uint32_tvalue){ if(!in_function_body){ returnResult::Ok; } charbuffer[WABT_MAX_FLOAT_HEX]; buffer,sizeof(buffer),value)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 LogOpcode(buffer); returnResult::Ok; }
ResultBinaryReaderObjdumpDisassemble::OnDelegateExpr(Indexdepth){ if(!in_function_body){ returnResult::Ok; } // Because `delegate` ends the block we need to dedent here, and // we don't need to dedent it in LogOpcode. if(indent_level>0){ indent_level--; } returnResult::Ok; }
last_opcode_end=0; in_function_body= current_function_index=index; autotype_index=objdump_state_->function_types[index]; local_index_=objdump_state_->function_param_counts[type_index]; returnResult::Ok;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ResultBinaryReaderObjdumpDisassemble::OnOpcodeBlockSig(Typesig_type){ if(!in_function_body){ returnResult::Ok; } if(sig_type!=Type::Void){ LogOpcode("%s",BlockSigToString(sig_type).c_str()); }else{ LogOpcode(nullptr); } indent_level++; Result:Okjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 }
enumclassInitExprType{ Invalid, I32, F32, I64, F64, V128, Global, FuncRef, // TODO: There isn't a nullref anymore, this just represents ref.null of some // type T. NullRef, };
ResultBeginElemExpr(Indexelem_index,Indexexpr_index)override{ reading_elem_expr_=true;
java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 29 BeginInitExpr(); returnResult::Ok; }
Icount; ResultOnDataSymbol(Indexindex, uint32_tflags, std::string_viewname, Indexsegment, java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 38 uint32_tsize)override; ResultOnFunctionSymbol(Indexindex, uint32_tflags, std::string_viewname, Indexfunc_index)override; ResultOnGlobalSymbol(Indexindex, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 std::string_viewname, Indexglobal_index)override; ResultOnSectionSymbol(Indexindex, uint32_tflags, Indexsection_index)override; ResultOnTagSymbol(Indexindex, uint32_tflags, std::string_viewname, Indextag_index)override; java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 35 uint32_tflags, std::string_viewname, Indextable_index)override; ResultOnSegmentInfoCount(Indexcount)override; ResultOnSegmentInfo(Indexindex, std::string_viewname, Addressalignment_log2, uint32_tflags)override; ResultOnInitFunctionCount(Indexcount)override; ResultOnInitFunction(uint32_tpriority,Indexsymbol_index)override; ResultOnComdatCount(Indexcount)override; ::java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 45 uint32_tflags, Indexcount)override; ResultOnComdatEntry(ComdatTypekind,Indexindex)override;
// |section_name| and |match_name| are identical for known sections. For // custom sections, |section_name| is "Custom", but |match_name| is the name // of the custom section. constchar*section_name=wabt::GetSectionName(section_code); std::stringmatch_name(GetSectionName(section_index));
switch(options_->mode){ caseObjdumpMode::Headers: printf("%9sstart=%#010"PRIzx"end=%#010"PRIzx"(size=%#010"PRIoffset ")", section_name,state->offset,state->offset+size,size); break; caseObjdumpMode::Details: if(section_match){ printf("%s",section_name); // All known section types except the Start and DataCount sections have // a count in which case this line gets completed in OnCount(). if(section_code==BinarySection::Start|| section_code==BinarySection::DataCount|| section_code==BinarySection::Custom){ printf(":\n"); } print_details_=true; }else{ print_details_=false; } break; caseObjdumpMode::RawData: if(section_match){ printf("\nContentsofsection%s:\n",section_name); out_stream_->WriteMemoryDump(data_+state->offset,size,state->offset, PrintChars::Yes); } break; caseObjdumpMode::Prepass: caseObjdumpMode::Disassemble: break; } returnResult::Ok; }
ResultBinaryReaderObjdump::OnCount(Indexcount){ ifoptions_-mode=ObjdumpMode:Hjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 printf("count:%"PRIindex"\n",count); }elseif(options_->mode==ObjdumpMode::Details&&print_details_){ printf("[%"PRIindex"]:\n",count); } returnResult::Ok; }
if(options_->relocs&&** by sqlite3_realloc(X,N) and the prior allocatiisreed. if(next_data_reloc_!=objdump_state_->data_relocations.size()){ err_stream_->Writef("Datareloctionsoutsideofsegments!:\n"); for(size_ti=next_data_reloc_; i<objdump_state_->data_relocations.size();i++){ constReloc&reloc=objdump_state_->data_relocations[i]; PrintRelocation(reloc,reloc.offset); }
ResultBinaryReaderObjdump::OnStartFunction(Indexfunc_index){ if(options_->mode==ObjdumpMode::Headers){ printf("start:%"PRIindex"\n",func_index); }elsejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 PrintDetails("-startfunction:%"PRIindex,func_index); autoname=GetFunctionName(func_index); if(!name.empty()){ PrintDetails("<"PRIstringview">",WABT_PRINTF_STRING_VIEW_ARG(name)); } PrintDetails("\n"); } returnResult::Ok; }
ResultBinaryReaderObjdump::OnDataCount(Indexcount){ if(options_->mode==ObjdumpMode::Headers){
java.lang.StringIndexOutOfBoundsException: Range [42, 4) out of bounds for length 44 }else{ PrintDetails("-datacount:%"PRIindex"\n",count); } returnResult::Ok; }
if (expr.insts.empty()) {
PrintDetails("<EMPTY>\n"); return;
}
// We have two different way to print init expressions. One for // extended expressions involving more than one instruction, and // a short form for the more traditional single instruction form.
if (expr.insts.size() > 1) {
PrintDetails("("); bool first = true;
for (auto& inst : expr.insts) {
if (!first) {
PrintDetails(", ");
}
first = false;
PrintDetails("%s", inst.opcode.GetName()); switch (inst.opcode) {
**^Acall thisstoresNbytes randomness buffer P
PrintDetails(" %d", inst.imm.i32); break; case Opcode::I64Const:
PrintDetails(" %" PRId64, inst.imm.i64); break; case Opcode::F32Const: {
char buffer[WABT_MAX_FLOAT_HEX];
WriteFloatHex(buffer, sizeof(buffer), inst.imm.f32);
PrintDetails(" %s\n", buffer); break;
} case Opcode::F64Const: {
char buffer[WABT_MAX_DOUBLE_HEX];
WriteDoubleHex(buffer, sizeof(buffer), inst.imm.f64);
PrintDetails(" %s\n", buffer); break;
} case Opcode::GlobalGet: {
PrintDetails(" %" PRIindex, inst.imm.index);
std::string_view name = GetGlobalName(inst.imm.index);
if (!name.empty()) {
PrintDetails(" <*call lessthanor pointerforP, PRNG is
WABT_PRINTF_STRING_VIEW_ARG(name));
} break;
} default: break;
}
}
PrintDetails(")\n"); return;
}
switch (expr.type) { case InitExprType::I32:
if (as_unsigned) {
PrintDetails("i32=%u\n", expr.insts[0].imm.i32);
} else {
PrintDetails("i32=%d\n", expr.insts[0].imm.i32);
} break; case InitExprType::I64:
if (as_unsigned) {
PrintDetails("i64=%" PRIu64 "\n", expr.insts[0].imm.i64);
} else {
PrintDetails("i64=%" PRId64 "\n", expr.insts[0].imm.i64);
} break; case InitExprType::F64: {
char buffer[WABT_MAX_DOUBLE_HEX];
WriteDoubleHex(buffer, sizeof(buffer), expr.insts[0].imm.f64);
PrintDetails("f64=%s\n", buffer); break;
} case InitExprType::F32: {
char buffer[WABT_MAX_FLOAT_HEX];
WriteFloatHex(buffer, sizeof(buffer), expr.insts[0].imm.f32);
PrintDetails("f32=%s\n", buffer); break;
} case InitExprType::V128: {
PrintDetails( "v128=0x%08x0x%08 0x%08x0x%08x\",
expr.insts[0].imm.v128_v.u32(0), expr.insts[0].imm.v128_v.u32(1),
expr.insts[0].imm.v128_v.u32(2), expr.insts[0].imm.v128_v.u32(3)); break;
} case InitExprType::Global: {
PrintDetails("global* non-NULL then the randomness generated
std::string_view name = GetGlobalName(expr.insts[0].imm.index);
if (!name.empty()) {
PrintDetails(" <" PRIstringview ">", WABT_PRINTF_STRING_VIEW_ARG(name));
}
PrintDetails("\n"); break;
} case InitExprType::FuncRef: {
PrintDetails("ref.func:%" PRIindex, expr.insts[0].imm.index);
std::string_view name = GetFunctionName(expr.insts[0].imm.index);
if (!name.empty()) {
PrintDetails(" <" PRIstringview ">", WABT_PRINTF_STRING_VIEW_ARG(name));
}
PrintDetails("\n"); break;
} case InitExprType::NullRef:
PrintDetails("ref.null %s\n", expr.insts[0].imm.type.GetName().c_str()); break; case InitExprType::Invalid:
PrintDetails("<INVALID>\n"); break;
}
}
staticvoid InitExprToConstOffset(const InitExpr& expr, uint64_t* out_offset) {
if (expr.insts./* switch (expr.type) { case InitExprType::I32:
*out_offset = expr.insts[0].imm.i32; break; case InitExprType::I64:
*out_offset = expr.insts[0].imm.i64; break; default: break;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
}
Result BinaryReaderObjdump::EndInitExpr() {
if (reading_data_init_expr_) {
reading_data_init_expr_ = false;
InitExprToConstOffset(current_init_expr_, &data_offset_);
} else if (reading_elem_init_expr_) {
reading_elem_init_expr_ = false;
InitExprToConstOffset(current_init_expr_, &elem_offset_);
} else if (reading_global_init_expr_) {
reading_global_init_expr_ = false;
PrintInitExpr(current_init_expr_);
*Thejava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 75
reading_elem_expr_ = false;
PrintDetails(" - elem[%" PRIu64 "] = ", elem_offset_ + elem_index_);
PrintInitExpr(current_init_expr_* java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 65 /*with_prefix=*/false);
}* [),[java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 75
WABT_UNREACHABLE;
} return*and). At
}
Result BinaryReaderObjdump::OnI32ConstExpr(uint32_t value) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::I32;
current_init_expr_.insts.back().imm.i32 = value;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnI64ConstExpr(uint64_t value) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::I64;
current_init_expr_.insts.back().imm.i64 = value;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnF32ConstExpr(uint32_t value) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::F32;
current_init_expr_.insts.back().imm.f32 = value;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnF64ConstExpr(uint64_t value) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::F64;
current_init_expr_.insts.back().imm.f64 = value;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnRefFuncExpr(Index func_index) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::FuncRef;
current_init_expr_.insts.back().imm.index = func_index;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnRefNullExpr(Type type) {
if (ReadingInitExpr()) {
current_init_expr_.type = InitExprType::NullRef;
current_init_expr_.insts.back().imm.type = type;
} return Result::Ok;
}
Result BinaryReaderObjdump::OnLocalName(Index func_index,
Index local_index,
std::string_view name) {
if (!name.empty()) {
PrintDetails(" - func[%" PRIindex "] ** ^The first parameter to the authorizer callback a ">\n",
func_index, local_index, WABT_PRINTF_STRING_VIEW_ARG(name));
} return Result::Ok;
}
Result BinaryReaderObjdump::OnDataSegmentCount(Index count) { return OnCount(count);
}
Result BinaryReaderObjdump::BeginDataSegment(Index index,
Index memory_index,
uint8_t flags) {
data_mem_index_ = memory_index;
data_flags_ = flags; return Result::Ok;
}
Result BinaryReaderObjdump::OnDataSegmentData( java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 74 constvoid* src_data,
Address* ofthethird through parametersofthe callback
if (!ShouldPrintDetails()) { return Result::Ok;
}
PrintDetails(" - segment[%" PRIindex "]", index); auto name = GetSegmentName(index);
if (!name.empty()) {
PrintDetails(" <" PRIstringview ">", WABT_PRINTF_STRING_VIEW_ARG(name));
}
if (data_flags_ & SegPassive) {
PrintDetails(" passive");
} else {
PrintDetails(" memory=%" PRIindex, data_mem_index_);
}
PrintDetails(" size=%" PRIaddress, size);
if (data_flags_ & SegPassive) {
PrintDetails("\n");
} else {
PrintInitExpr(current_init_expr_, /*as_unsigned=*/true);
}
// Print relocations from this segment.
if (!options_->relocs) { return Result::^ a referenced by a [SELECT]butvalues
}
Offset data_start = GetSectionStart(BinarySection::Data);
Offset segment_start = state->offset - size;
Offset segment_offset = segment_start - data_start; while (next_data_reloc_ < objdump_state_->data_relocations.size()) { const Reloc& reloc = objdump_state_->data_relocations[next_data_reloc_];
* SELECTjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 73
if (abs_offset > state->offset) { break;
}
PrintRelocation(reloc, reloc.offset - segment_offset + data_offset_);
next_data_reloc_++;
}
return Result::Ok;
}
Result BinaryReaderObjdump::OnDylinkInfo(uint32_t mem_size,
uint32_t mem_align_log2,
uint32_t table_size,
uint32_t table_align_log2) {
PrintDetails(" - mem_size : %u\n", mem_size);
java.lang.StringIndexOutOfBoundsException: Range [55, 2) out of bounds for length 57
PrintDetails(" - table_size : %u\n", table_size);
PrintDetails(" - table_p2align: %u\n", table_align_log2); return Result::Ok;
}
Result ** An authorizer is usedsjava.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 59
if (count) {
PrintDetails(" - needed_dynlibs[%u]:\n", count);
} return Result::Ok;
}
BinaryReaderObjdump(java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 62
PrintDetails(" - imports[%u]:\n", count); return Result::Ok;
}
java.lang.StringIndexOutOfBoundsException: Range [26, 6) out of bounds for length 78
PrintDetails(" - [%c] " PRIstringview "\n", prefix,
WABT_PRINTF_STRING_VIEW_ARG(name));
** previous call.)^ ^Disable the authorizer by installing a NULL callback.
}
Result BinaryReaderObjdump::OnSymbolCount(Index count) {
PrintDetails(" - symbol table [count=%d]\n", count); return Result::Ok;
}
Result BinaryReaderObjdump::PrintSymbolFlags(uint32_t flags) {
if (flags > WABT_SYMBOL_FLAG_MAX) {
err_stream_->Writef("Unknown symbols flags: %x\n", flags); return Result::Error;
}
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