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This commit is contained in:
Jean-Marie Mineau 2024-07-16 17:31:37 +02:00
parent cfbd3fb90b
commit 920cc181dc
Signed by: histausse
GPG key ID: B66AEEDA9B645AD2
2 changed files with 2473 additions and 1270 deletions
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591
androscalpel/src/dex_writer.rs
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@ -445,7 +445,7 @@ impl DexWriter {
} }
Instruction::ConstString { .. } => { Instruction::ConstString { .. } => {
let size = ins let size = ins
.get_raw_ins(Some(&self.strings)) .get_raw_ins(Some(&self.strings), None, None, None, None, None)
.with_context(|| format!("In code of {}", method_id.__repr__()))? .with_context(|| format!("In code of {}", method_id.__repr__()))?
.size() .size()
/ 2; / 2;
@ -469,7 +469,10 @@ impl DexWriter {
addr += ins.max_ins_size() / 2; addr += ins.max_ins_size() / 2;
} }
Instruction::ConstString { .. } => { Instruction::ConstString { .. } => {
addr += ins.get_raw_ins(Some(&self.strings, None))?.size() / 2; addr += ins
.get_raw_ins(Some(&self.strings), None, None, None, None, None)?
.size()
/ 2;
// should not fail after // should not fail after
// first loop, no need // first loop, no need
// for context // for context
@ -514,33 +517,35 @@ impl DexWriter {
// https://cs.android.com/android/platform/superproject/main/+/main:art/runtime/verifier/method_verifier.cc;drc=e8c3e7be783937a340cd4f3280b69962d6f1ea0c;l=1347 // https://cs.android.com/android/platform/superproject/main/+/main:art/runtime/verifier/method_verifier.cc;drc=e8c3e7be783937a340cd4f3280b69962d6f1ea0c;l=1347
// The ART check if the array data table is 4 bytes aligned (= 2 ins alligned) // The ART check if the array data table is 4 bytes aligned (= 2 ins alligned)
// TODO: check how it is donne in android and other dex generation code. // TODO: check how it is donne in android and other dex generation code.
let nop = (Instruction::Nop {}).get_raw_ins(None, None)?; let nop = (Instruction::Nop {})
.get_raw_ins(None, None, None, None, None, None)?;
payload_addr += nop.size() / 2; payload_addr += nop.size() / 2;
payloads.push(nop); payloads.push(nop);
} }
let data_offset = payload_addr as i32 - addr as i32; let data_offset = payload_addr as i32 - addr as i32;
payload_addr += payload.size() / 2; payload_addr += payload.size() / 2;
payloads.push(payload); payloads.push(payload);
let ins = ins.get_raw_ins(data_offset); let ins = ins.get_raw_ins(None, None, None, None, None, Some(data_offset))?;
addr += ins.size() / 2; addr += ins.size() / 2;
insns.push(ins); insns.push(ins);
} }
Instruction::Goto(ins) => { Instruction::Goto { .. } => {
let goto_size = goto_sizes[goto_idx]; let goto_size = goto_sizes[goto_idx];
goto_idx += 1; goto_idx += 1;
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!( let ins = ins.get_raw_ins(
"Label {} not found in code of {}, but found goto with this label", None,
ins.label, None,
method_id.__repr__() None,
))?; Some((addr, &label_addrs)),
let branch_offset = *label_addr as i32 - addr as i32; Some(goto_size),
let ins = ins.get_raw_ins(branch_offset, goto_size); None,
)?;
addr += ins.size() / 2; addr += ins.size() / 2;
insns.push(ins); insns.push(ins);
} }
Instruction::Switch(ins) => { Instruction::Switch { branches, .. } => {
let mut key_targets = vec![]; let mut key_targets = vec![];
for (key, label) in &ins.branches { for (key, label) in branches {
let label_addr = label_addrs.get(label).ok_or(anyhow!( let label_addr = label_addrs.get(label).ok_or(anyhow!(
"Label {} not found in code of {}, but found goto with this label", "Label {} not found in code of {}, but found goto with this label",
label, label,
@ -550,7 +555,7 @@ impl DexWriter {
key_targets.push((*key, branch_offset)); key_targets.push((*key, branch_offset));
} }
key_targets.sort_by_key(|(key, _)| *key); key_targets.sort_by_key(|(key, _)| *key);
let payload = if ins.is_packed() { let payload = if ins.is_packed()? {
let (first_key, _) = *key_targets.first().ok_or(anyhow!( let (first_key, _) = *key_targets.first().ok_or(anyhow!(
"Found empty swith in code of {}", "Found empty swith in code of {}",
method_id.__repr__() method_id.__repr__()
@ -565,554 +570,15 @@ impl DexWriter {
// https://cs.android.com/android/platform/superproject/main/+/main:art/runtime/verifier/method_verifier.cc;drc=e8c3e7be783937a340cd4f3280b69962d6f1ea0c;l=1464 // https://cs.android.com/android/platform/superproject/main/+/main:art/runtime/verifier/method_verifier.cc;drc=e8c3e7be783937a340cd4f3280b69962d6f1ea0c;l=1464
// The ART check if the switch table is 4 bytes aligned (= 2 ins alligned) // The ART check if the switch table is 4 bytes aligned (= 2 ins alligned)
// TODO: check how it is donne in android and other dex generation code. // TODO: check how it is donne in android and other dex generation code.
let nop = (Instruction::Nop {}).get_raw_ins()?; let nop = (Instruction::Nop {})
.get_raw_ins(None, None, None, None, None, None)?;
payload_addr += nop.size() / 2; payload_addr += nop.size() / 2;
payloads.push(nop); payloads.push(nop);
} }
let data_offset = payload_addr as i32 - addr as i32; let data_offset = payload_addr as i32 - addr as i32;
payload_addr += payload.size() / 2; payload_addr += payload.size() / 2;
payloads.push(payload); payloads.push(payload);
let ins = ins.get_raw_ins(data_offset); let ins = ins.get_raw_ins(None, None, None, None, None, Some(data_offset))?;
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfEq(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfNe(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfLt(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfGe(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfGt(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfLe(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfEqZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfNeZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfLtZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfGeZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfGtZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IfLeZ(ins) => {
let label_addr = label_addrs.get(&ins.label).ok_or(anyhow!(
"Label {} not found in code of {}, but found if with this label",
ins.label,
method_id.__repr__()
))?;
let branch_offset = *label_addr as i32 - addr as i32;
if branch_offset > i16::MAX as i32 || branch_offset < i16::MIN as i32 {
bail!(
"Found an if that jump to far from the instruction in code of {}",
method_id.__repr__()
);
}
let ins = ins.get_raw_ins(branch_offset as i16);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGet(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetWide(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetObject(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetBoolean(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetByte(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetChar(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IGetShort(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPut(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutWide(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutObject(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutBoolean(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutByte(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutChar(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::IPutShort(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGet(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetWide(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetObject(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetBoolean(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetByte(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetChar(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SGetShort(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPut(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutWide(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutObject(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutBoolean(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutByte(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutChar(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2;
insns.push(ins);
}
Instruction::SPutShort(ins) => {
let field = &ins.field;
let field_idx = self.field_ids.get(field).ok_or(anyhow!(
"Field {} (field of class {}, found in code of {}) not found in dex builder",
field.__repr__(),
field.class_.__repr__(),
method_id.__repr__()
))?;
let ins = ins.get_raw_ins(*field_idx);
addr += ins.size() / 2; addr += ins.size() / 2;
insns.push(ins); insns.push(ins);
} }
@ -1308,7 +774,14 @@ impl DexWriter {
Instruction::Label { .. } => (), Instruction::Label { .. } => (),
_ => { _ => {
let ins = ins let ins = ins
.get_raw_ins(Some(&self.strings), Some(&self.type_ids)) .get_raw_ins(
Some(&self.strings),
Some(&self.type_ids),
Some(&self.field_ids),
Some((addr, &label_addrs)),
None,
None,
)
.with_context(|| { .with_context(|| {
format!( format!(
"Failed to convert instruction {} (found in code of {}) to raw instruction", "Failed to convert instruction {} (found in code of {}) to raw instruction",
@ -1323,7 +796,7 @@ impl DexWriter {
} }
if addr % 2 != 0 { if addr % 2 != 0 {
// make sure the payload section is 4 bytes aligned // make sure the payload section is 4 bytes aligned
let nop = (Instruction::Nop {}).get_raw_ins(None, None)?; let nop = (Instruction::Nop {}).get_raw_ins(None, None, None, None, None, None)?;
//addr += nop.size() / 2; //addr += nop.size() / 2;
insns.push(nop); insns.push(nop);
} }

2834
androscalpel/src/instructions.rs
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