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-rw-r--r--src/arch/arm/v7/context.c76
-rw-r--r--src/arch/arm/v7/context.h3
-rw-r--r--src/arch/arm/v7/fetch.c19
3 files changed, 45 insertions, 53 deletions
diff --git a/src/arch/arm/v7/context.c b/src/arch/arm/v7/context.c
index 030457e..446a972 100644
--- a/src/arch/arm/v7/context.c
+++ b/src/arch/arm/v7/context.c
@@ -63,7 +63,7 @@ static void g_armv7_context_dispose(GArmV7Context *);
static void g_armv7_context_finalize(GArmV7Context *);
/* Ajoute une adresse virtuelle comme point de départ de code. */
-static void g_armv7_context_push_drop_point(GArmV7Context *, virt_t );
+static void g_armv7_context_push_drop_point(GArmV7Context *, unsigned int, virt_t, va_list);
@@ -196,8 +196,10 @@ GArmV7Context *g_armv7_context_new(void)
/******************************************************************************
* *
-* Paramètres : ctx = contexte de désassemblage à compléter. *
-* addr = adresse d'un nouveau point de départ à traiter. *
+* Paramètres : ctx = contexte de désassemblage à compléter. *
+* level = indication de priorité et d'origine de l'adresse. *
+* addr = adresse d'un nouveau point de départ à traiter. *
+* ap = forme générique d'un encodage à mémoriser. *
* *
* Description : Ajoute une adresse virtuelle comme point de départ de code. *
* *
@@ -207,53 +209,45 @@ GArmV7Context *g_armv7_context_new(void)
* *
******************************************************************************/
-static void g_armv7_context_push_drop_point(GArmV7Context *ctx, virt_t addr)
+static void g_armv7_context_push_drop_point(GArmV7Context *ctx, unsigned int level, virt_t addr, va_list ap)
{
- if (addr & 0x1)
- {
- addr -= 0x1;
- g_armv7_context_define_encoding(ctx, addr, AV7IS_THUMB);
- }
- else
- g_armv7_context_define_encoding(ctx, addr, AV7IS_ARM);
+ ArmV7InstrSet marker; /* Type de jeu d'instructions */
- G_PROC_CONTEXT_CLASS(g_armv7_context_parent_class)->push_point(G_PROC_CONTEXT(ctx), addr);
+ switch (level)
+ {
+ case 0:
-}
+ if (addr & 0x1)
+ {
+ addr -= 0x1;
+ marker = AV7IS_THUMB;
+ }
+ else
+ marker = AV7IS_ARM;
-/******************************************************************************
-* *
-* Paramètres : ctx = contexte de désassemblage à compléter. *
-* addr = adresse d'un nouveau point de départ à traiter. *
-* marker = forme générique d'un encodage à mémoriser. *
-* *
-* Description : Ajoute une adresse virtuelle comme point de départ de code. *
-* *
-* Retour : - *
-* *
-* Remarques : - *
-* *
-******************************************************************************/
+ break;
+
+ default:
+
+ marker = va_arg(ap, ArmV7InstrSet);
+
+ /**
+ * Attention : toute adresse impaire est destinée à du mode Thumb.
+ *
+ * Mais la réciproque n'est pas vraie : le mode Thumb peut aussi
+ * manipuler des adresses paires.
+ */
+ assert(((addr & 0x1) && marker == AV7IS_THUMB) || (addr & 0x1) == 0);
+
+ addr &= ~0x1;
+
+ break;
-void g_armv7_context_push_drop_point_ext(GArmV7Context *ctx, virt_t addr, ArmV7InstrSet marker)
-{
- if (addr & 0x1)
- {
- addr -= 0x1;
- assert(marker == AV7IS_THUMB);
}
g_armv7_context_define_encoding(ctx, addr, marker);
- /**
- * Il faut impérativement passer pour l'interface publique afin :
- * - de poser le verrou associé.
- * - de déclencher l'émission du signal lié.
- *
- * Pas d'appel via G_PROC_CONTEXT_CLASS(g_armv7_context_parent_class)->push_point() donc.
- */
-
- g_proc_context_push_drop_point(G_PROC_CONTEXT(ctx), addr);
+ G_PROC_CONTEXT_CLASS(g_armv7_context_parent_class)->push_point(G_PROC_CONTEXT(ctx), level, addr, ap);
}
diff --git a/src/arch/arm/v7/context.h b/src/arch/arm/v7/context.h
index 48cafce..b7edfd5 100644
--- a/src/arch/arm/v7/context.h
+++ b/src/arch/arm/v7/context.h
@@ -76,9 +76,6 @@ void g_armv7_context_define_encoding(GArmV7Context *, virt_t, ArmV7InstrSet);
/* Indique l'encodage (générique) utilisé à une adresse donnée. */
ArmV7InstrSet g_armv7_context_find_encoding(GArmV7Context *, virt_t);
-/* Ajoute une adresse virtuelle comme point de départ de code. */
-void g_armv7_context_push_drop_point_ext(GArmV7Context *ctx, virt_t addr, ArmV7InstrSet marker);
-
#endif /* _ARCH_ARM_V7_CONTEXT_H */
diff --git a/src/arch/arm/v7/fetch.c b/src/arch/arm/v7/fetch.c
index da83d15..33a9e92 100644
--- a/src/arch/arm/v7/fetch.c
+++ b/src/arch/arm/v7/fetch.c
@@ -99,7 +99,7 @@ void help_fetching_with_instruction_b_with_orig(GArchInstruction *instr, GArchPr
target = pc + offset;
//g_armv7_context_define_encoding(context, target, iset);
- g_armv7_context_push_drop_point_ext(context, target, iset);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, target, iset);
}
@@ -168,7 +168,7 @@ void help_fetching_with_instruction_bl_with_orig(GArchInstruction *instr, GArchP
target = pc + offset;
//g_armv7_context_define_encoding(context, target, iset);
- g_armv7_context_push_drop_point_ext(context, target, iset);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, target, iset);
}
@@ -227,7 +227,7 @@ void help_fetching_with_instruction_blx_with_dest(GArchInstruction *instr, GArch
target = pc + offset;
//g_armv7_context_define_encoding(context, target, iset);
- g_armv7_context_push_drop_point_ext(context, target, iset);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, target, iset);
}
@@ -280,12 +280,12 @@ void help_fetching_with_instruction_bx_with_orig(GArchInstruction *instr, GArchP
case AV7IS_ARM:
pc += 8;
//g_armv7_context_define_encoding(context,
- g_armv7_context_push_drop_point_ext(context, pc, AV7IS_THUMB);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, pc, AV7IS_THUMB);
break;
case AV7IS_THUMB:
pc += 4;
//g_armv7_context_define_encoding(context,
- g_armv7_context_push_drop_point_ext(context, pc, AV7IS_ARM);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, pc, AV7IS_ARM);
break;
default:
assert(0);
@@ -342,7 +342,7 @@ void help_fetching_with_instruction_cb_n_z(GArchInstruction *instr, GArchProcess
target = pc + offset;
//g_armv7_context_define_encoding(context, target, AV7IS_THUMB);
- g_armv7_context_push_drop_point_ext(context, target, AV7IS_THUMB);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 3, target, AV7IS_THUMB);
}
@@ -506,9 +506,9 @@ void help_fetching_with_instruction_ldr_literal_with_orig(GArchInstruction *inst
/// FIXME ?!
- if (target < 0x8000) return;
+ //if (target < 0x8000) return;
- if (target > 0x6966c) return;
+ //if (target > 0x6966c) return;
new = g_imm_operand_new_from_value(MDS_32_BITS_UNSIGNED, target);
@@ -523,8 +523,9 @@ void help_fetching_with_instruction_ldr_literal_with_orig(GArchInstruction *inst
//target = pc + offset;
+
//g_armv7_context_define_encoding(context, target, AV7IS_THUMB);
- g_armv7_context_push_drop_point_ext(context, target, iset);
+ g_proc_context_push_drop_point(G_PROC_CONTEXT(context), 0/*FIXME*/, target);
//exit(0);
generated by cgit v0.11.2-87-g4458 at 2024-12-25 07:33:34 (GMT)