diff options
Diffstat (limited to 'src/arch/arm/v7')
| -rw-r--r-- | src/arch/arm/v7/processor.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/src/arch/arm/v7/processor.c b/src/arch/arm/v7/processor.c index 9117861..7a1dd5a 100644 --- a/src/arch/arm/v7/processor.c +++ b/src/arch/arm/v7/processor.c @@ -68,7 +68,7 @@ static void g_armv7_processor_finalize(GArmV7Processor *); static GArmV7Context *g_armv7_processor_get_context(const GArmV7Processor *); /* Décode une instruction dans un flux de données. */ -static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *, GArmV7Context *, const bin_t *, vmpa2t *, phys_t); +static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *, GArmV7Context *, const GBinContent *, vmpa2t *); @@ -218,11 +218,10 @@ static GArmV7Context *g_armv7_processor_get_context(const GArmV7Processor *proc) /****************************************************************************** * * -* Paramètres : proc = architecture visée par la procédure. * -* ctx = contexte lié à l'exécution du processeur. * -* data = flux de données à analyser. * -* pos = position courante dans ce flux. [OUT] * -* end = limite des données à analyser. * +* Paramètres : proc = architecture visée par la procédure. * +* ctx = contexte lié à l'exécution du processeur. * +* content = flux de données à analyser. * +* pos = position courante dans ce flux. [OUT] * * * * Description : Désassemble une instruction dans un flux de données. * * * @@ -232,26 +231,23 @@ static GArmV7Context *g_armv7_processor_get_context(const GArmV7Processor *proc) * * ******************************************************************************/ -static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *proc, GArmV7Context *ctx, const bin_t *data, vmpa2t *pos, phys_t end) +static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *proc, GArmV7Context *ctx, const GBinContent *content, vmpa2t *pos) { GArchInstruction *result; /* Instruction à renvoyer */ - phys_t start; /* Point de départ de lecture */ - phys_t diff; /* Avancée dans la lecture */ + SourceEndian endian; /* Boutisme des données lues */ uint16_t raw16; /* Donnée 16 bits à analyser */ uint32_t raw32; /* Donnée 32 bits à analyser */ ArmV7InstrSet iset; /* Type de jeu d'instructions */ - iset = g_armv7_context_find_encoding(ctx, get_virt_addr(pos)); - - start = get_phy_addr(pos); + endian = G_ARCH_PROCESSOR(proc)->endianness; - diff = 4; + iset = g_armv7_context_find_encoding(ctx, get_virt_addr(pos)); switch (iset) { case AV7IS_ARM: - if (!read_u32(&raw32, data, &start, end, G_ARCH_PROCESSOR(proc)->endianness)) + if (!g_binary_content_read_u32(content, pos, endian, &raw32)) return NULL; result = process_armv7_arm_instruction_set_encoding(raw32); @@ -260,7 +256,7 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr case AV7IS_THUMB: - if (!read_u16(&raw16, data, &start, end, G_ARCH_PROCESSOR(proc)->endianness)) + if (!g_binary_content_read_u16(content, pos, endian, &raw16)) return NULL; switch (raw16 >> 11) @@ -271,7 +267,7 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr raw32 = raw16 << 16; - if (!read_u16(&raw16, data, &start, end, G_ARCH_PROCESSOR(proc)->endianness)) + if (!g_binary_content_read_u16(content, pos, endian, &raw16)) return NULL; raw32 |= raw16; @@ -280,7 +276,6 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr break; default: - diff = 2; result = process_armv7_thumb_16_instruction_set_encoding(raw16); break; @@ -294,8 +289,6 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr } - if (result != NULL) - advance_vmpa(pos, diff); /* else result = g_raw_instruction_new_array_old(data, MDS_32_BITS, 1, pos, end, |