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authorCyrille Bagard <nocbos@gmail.com>2015-01-24 11:19:32 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-01-24 11:19:32 (GMT)
commit141d2f0fbb2ce3b4ddf85383c55b891fd59dc598 (patch)
tree085fa1a20d77f86825e1a6f4215b1ffd8fd961e8 /src/arch/arm/v7/post.c
parent3df9f6dc8548b0562312036abfbfcf9850a81041 (diff)
Introduced conditional calls in instruction definition rules.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@459 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/arm/v7/post.c')
-rw-r--r--src/arch/arm/v7/post.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/src/arch/arm/v7/post.c b/src/arch/arm/v7/post.c
index f85fc91..8895740 100644
--- a/src/arch/arm/v7/post.c
+++ b/src/arch/arm/v7/post.c
@@ -89,3 +89,192 @@ void post_process_branch_instructions(GArchInstruction *instr, GProcContext *con
}
}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction ARMv7 à traiter. *
+* context = contexte associé à la phase de désassemblage. *
+* format = accès aux données du binaire d'origine. *
+* *
+* Description : Complète un désassemblage accompli pour une instruction. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void post_process_branch_and_link_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format)
+{
+ GArchOperand *op; /* Opérande numérique en place */
+ uint32_t addr; /* Adresse visée par le saut */
+ GArchOperand *new; /* Instruction de ciblage */
+ vmpa2t target;
+ mrange_t trange;
+ VMPA_BUFFER(loc);
+ char name[5 + VMPA_MAX_LEN];
+ GBinRoutine *routine; /* Nouvelle routine trouvée */
+ GBinSymbol *symbol; /* Nouveau symbole construit */
+
+ op = g_arch_instruction_get_operand(instr, 0);
+
+ if (g_imm_operand_get_value(G_IMM_OPERAND(op), MDS_32_BITS_UNSIGNED, &addr))
+ {
+ new = g_target_operand_new(MDS_32_BITS_UNSIGNED, addr);
+
+ if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format))
+ {
+ init_vmpa(&target, VMPA_NO_PHYSICAL, addr);
+ init_mrange(&trange, &target, 0);
+
+ vmpa2_virt_to_string(&target, MDS_32_BITS, loc, NULL);
+ snprintf(name, sizeof(name), "sub_%s", loc + 2);
+
+ routine = g_binary_routine_new();
+ g_binary_routine_set_name(routine, strdup(name));
+ //routine = try_to_demangle_routine(name);
+
+ g_binary_routine_set_range(routine, &trange);
+
+ symbol = g_binary_symbol_new(STP_ROUTINE, NULL, ~0);
+ g_binary_symbol_attach_routine(symbol, routine);
+ g_binary_format_add_symbol(G_BIN_FORMAT(format), symbol);
+
+
+
+ g_target_operand_resolve(G_TARGET_OPERAND(new), format);
+
+ }
+
+ g_arch_instruction_replace_operand(instr, new, op);
+
+ }
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction ARMv7 à traiter. *
+* context = contexte associé à la phase de désassemblage. *
+* format = accès aux données du binaire d'origine. *
+* *
+* Description : Complète un désassemblage accompli pour une instruction. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void post_process_comp_and_branch_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format)
+{
+ GArchOperand *op; /* Opérande numérique en place */
+ uint32_t addr; /* Adresse visée par le saut */
+ GArchOperand *new; /* Instruction de ciblage */
+ vmpa2t target;
+ mrange_t trange;
+ VMPA_BUFFER(loc);
+ char name[5 + VMPA_MAX_LEN];
+ GBinRoutine *routine; /* Nouvelle routine trouvée */
+ GBinSymbol *symbol; /* Nouveau symbole construit */
+
+ op = g_arch_instruction_get_operand(instr, 1);
+
+ if (g_imm_operand_get_value(G_IMM_OPERAND(op), MDS_32_BITS_UNSIGNED, &addr))
+ {
+ new = g_target_operand_new(MDS_32_BITS_UNSIGNED, addr);
+
+ if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format))
+ {
+ init_vmpa(&target, VMPA_NO_PHYSICAL, addr);
+ init_mrange(&trange, &target, 0);
+
+ vmpa2_virt_to_string(&target, MDS_32_BITS, loc, NULL);
+ snprintf(name, sizeof(name), "loc_%s", loc + 2);
+
+ routine = g_binary_routine_new();
+ g_binary_routine_set_name(routine, strdup(name));
+ //routine = try_to_demangle_routine(name);
+
+ g_binary_routine_set_range(routine, &trange);
+
+ symbol = g_binary_symbol_new(STP_ROUTINE, NULL, ~0);
+ g_binary_symbol_attach_routine(symbol, routine);
+ g_binary_format_add_symbol(G_BIN_FORMAT(format), symbol);
+
+
+
+ g_target_operand_resolve(G_TARGET_OPERAND(new), format);
+
+ }
+
+ g_arch_instruction_replace_operand(instr, new, op);
+
+ }
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction ARMv7 à traiter. *
+* context = contexte associé à la phase de désassemblage. *
+* format = accès aux données du binaire d'origine. *
+* *
+* Description : Complète un désassemblage accompli pour une instruction. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void post_process_ldr_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format)
+{
+ GArchOperand *op; /* Opérande numérique en place */
+ uint32_t addr; /* Adresse visée par le saut */
+ GArchOperand *new; /* Instruction de ciblage */
+ vmpa2t target;
+ mrange_t trange;
+ VMPA_BUFFER(loc);
+ char name[5 + VMPA_MAX_LEN];
+ GBinRoutine *routine; /* Nouvelle routine trouvée */
+ GBinSymbol *symbol; /* Nouveau symbole construit */
+
+ op = g_arch_instruction_get_operand(instr, 1);
+
+ if (g_imm_operand_get_value(G_IMM_OPERAND(op), MDS_32_BITS_UNSIGNED, &addr))
+ {
+ new = g_target_operand_new(MDS_32_BITS_UNSIGNED, addr);
+
+ if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format))
+ {
+ init_vmpa(&target, VMPA_NO_PHYSICAL, addr);
+ init_mrange(&trange, &target, 0);
+
+ vmpa2_virt_to_string(&target, MDS_32_BITS, loc, NULL);
+ snprintf(name, sizeof(name), "loc_%s", loc + 2);
+
+ routine = g_binary_routine_new();
+ g_binary_routine_set_name(routine, strdup(name));
+ //routine = try_to_demangle_routine(name);
+
+ g_binary_routine_set_range(routine, &trange);
+
+ symbol = g_binary_symbol_new(STP_ROUTINE, NULL, ~0);
+ g_binary_symbol_attach_routine(symbol, routine);
+ g_binary_format_add_symbol(G_BIN_FORMAT(format), symbol);
+
+
+
+ g_target_operand_resolve(G_TARGET_OPERAND(new), format);
+
+ }
+
+ g_arch_instruction_replace_operand(instr, new, op);
+
+ }
+
+}