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Debugger: Fix ARM LDM/STM disassembling

This commit is contained in:
Jeffrey Pfau 2014-11-15 16:54:19 -08:00
parent 264f6f1df2
commit 5ace8e5023
3 changed files with 16 additions and 11 deletions
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18
src/arm/decoder-arm.c
View File

@ -260,7 +260,7 @@
} \
info->operandFormat = ARM_OPERAND_MEMORY_1; \
info->memory.format = ARM_MEMORY_REGISTER_BASE | \
ARM_MEMORY_WRITEBACK | \
WRITEBACK | \
ARM_MEMORY_ ## DIRECTION;)
@ -273,14 +273,14 @@
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## IAW, NAME, INCREMENT_AFTER, ARM_MEMORY_WRITEBACK) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## IB, NAME, INCREMENT_BEFORE, 0) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## IBW, NAME, INCREMENT_BEFORE, ARM_MEMORY_WRITEBACK) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDA, NAME, DECREMENT_AFTER, 0) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDAW, NAME, DECREMENT_AFTER, ARM_MEMORY_WRITEBACK) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDB, NAME, DECREMENT_BEFORE, 0) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDBW, NAME, DECREMENT_BEFORE, ARM_MEMORY_WRITEBACK) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIA, NAME, INCREMENT_AFTER, 0) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIAW, NAME, INCREMENT_AFTER, ARM_MEMORY_WRITEBACK) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIB, NAME, INCREMENT_BEFORE, 0) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIBW, NAME, INCREMENT_BEFORE, ARM_MEMORY_WRITEBACK)
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDA, NAME, DECREMENT_AFTER, ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDAW, NAME, DECREMENT_AFTER, ARM_MEMORY_WRITEBACK | ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDB, NAME, DECREMENT_BEFORE, ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SDBW, NAME, DECREMENT_BEFORE, ARM_MEMORY_WRITEBACK | ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIA, NAME, INCREMENT_AFTER, ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIAW, NAME, INCREMENT_AFTER, ARM_MEMORY_WRITEBACK | ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIB, NAME, INCREMENT_BEFORE, ARM_MEMORY_SPSR_SWAP) \
DEFINE_LOAD_STORE_MULTIPLE_DECODER_EX_ARM(NAME ## SIBW, NAME, INCREMENT_BEFORE, ARM_MEMORY_WRITEBACK | ARM_MEMORY_SPSR_SWAP)
#define DEFINE_SWP_DECODER_ARM(NAME, TYPE) \
DEFINE_DECODER_ARM(NAME, SWP, \

6
src/arm/decoder.c
View File

@ -255,7 +255,7 @@ static const char* _armDirectionStrings[] = {
"da",
"ia",
"db",
"da"
"ib"
};
static const char* _armAccessTypeStrings[] = {
@ -341,6 +341,10 @@ int ARMDisassemble(struct ARMInstructionInfo* info, uint32_t pc, char* buffer, i
ADVANCE(2);
written = _decodeRegisterList(info->op1.immediate, buffer, blen);
ADVANCE(written);
if (info->memory.format & ARM_MEMORY_SPSR_SWAP) {
strncpy(buffer, "^", blen - 1);
ADVANCE(1);
}
break;
case ARM_MN_B:
written = _decodePCRelative(info->op1.immediate, pc, buffer, blen);

3
src/arm/decoder.h
View File

@ -55,8 +55,9 @@
#define ARM_MEMORY_INCREMENT_AFTER 0x0100
#define ARM_MEMORY_DECREMENT_BEFORE 0x0200
#define ARM_MEMORY_INCREMENT_BEFORE 0x0300
#define ARM_MEMORY_SPSR_SWAP 0x0400
#define MEMORY_FORMAT_TO_DIRECTION(F) (((F) >> 8) & 0x7)
#define MEMORY_FORMAT_TO_DIRECTION(F) (((F) >> 8) & 0x3)
enum ARMCondition {
ARM_CONDITION_EQ = 0x0,