diff options
Diffstat (limited to 'src/target/arm_disassembler.c')
-rw-r--r-- | src/target/arm_disassembler.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/target/arm_disassembler.c b/src/target/arm_disassembler.c index 1c275f54..ed7fe655 100644 --- a/src/target/arm_disassembler.c +++ b/src/target/arm_disassembler.c @@ -2080,3 +2080,37 @@ int thumb_evaluate_opcode(u16 opcode, u32 address, arm_instruction_t *instructio return -1; } +int arm_access_size(arm_instruction_t *instruction) +{ + if ((instruction->type == ARM_LDRB) + || (instruction->type == ARM_LDRBT) + || (instruction->type == ARM_LDRSB) + || (instruction->type == ARM_STRB) + || (instruction->type == ARM_STRBT)) + { + return 1; + } + else if ((instruction->type == ARM_LDRH) + || (instruction->type == ARM_LDRSH) + || (instruction->type == ARM_STRH)) + { + return 2; + } + else if ((instruction->type == ARM_LDR) + || (instruction->type == ARM_LDRT) + || (instruction->type == ARM_STR) + || (instruction->type == ARM_STRT)) + { + return 4; + } + else if ((instruction->type == ARM_LDRD) + || (instruction->type == ARM_STRD)) + { + return 8; + } + else + { + ERROR("BUG: instruction type %i isn't a load/store instruction", instruction->type); + return 0; + } +} |