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authorCyrille Bagard <nocbos@gmail.com>2016-10-29 11:37:13 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2016-10-29 11:37:13 (GMT)
commit38e455ebbbbf90ddbf552f95a1dfb3c544907587 (patch)
treec6e2a4763baef01c87dd0954116fb2c457e10c23 /src/arch/arm
parent8c71b36d401b2473342daddcb9b7eb4b83ba3295 (diff)
Reduced once again the size of the main instruction structure.
Diffstat (limited to 'src/arch/arm')
-rw-r--r--src/arch/arm/instruction-int.h3
-rw-r--r--src/arch/arm/instruction.c65
-rw-r--r--src/arch/arm/instruction.h3
-rw-r--r--src/arch/arm/v7/instruction.c51
-rw-r--r--src/arch/arm/v7/instruction.h3
-rw-r--r--src/arch/arm/v7/opdefs/Makefile.am2
6 files changed, 104 insertions, 23 deletions
diff --git a/src/arch/arm/instruction-int.h b/src/arch/arm/instruction-int.h
index 0dc848d..ba93b03 100644
--- a/src/arch/arm/instruction-int.h
+++ b/src/arch/arm/instruction-int.h
@@ -36,6 +36,9 @@ struct _GArmInstruction
GArchInstruction parent; /* A laisser en premier */
const char *keyword; /* Nom clef de l'instruction */
+ char *suffix; /* Complément au nom affiché */
+ char *cached_keyword; /* Désignation complète */
+
ArmCondCode cond; /* Condition d'exécution */
};
diff --git a/src/arch/arm/instruction.c b/src/arch/arm/instruction.c
index 2c1f3b8..4c08c9a 100644
--- a/src/arch/arm/instruction.c
+++ b/src/arch/arm/instruction.c
@@ -24,6 +24,7 @@
#include "instruction.h"
+#include <malloc.h>
#include <string.h>
@@ -44,8 +45,8 @@ static void g_arm_instruction_dispose(GArmInstruction *);
/* Procède à la libération totale de la mémoire. */
static void g_arm_instruction_finalize(GArmInstruction *);
-/* Reconstruit le cache complet d'une désignation d'instruction. */
-static void g_arm_instruction_build_keyword(const GArmInstruction *, AsmSyntax);
+/* Fournit le nom humain de l'instruction manipulée. */
+static const char *g_arm_instruction_get_keyword(GArmInstruction *, AsmSyntax);
@@ -76,7 +77,7 @@ static void g_arm_instruction_class_init(GArmInstructionClass *klass)
object_class->dispose = (GObjectFinalizeFunc/* ! */)g_arm_instruction_dispose;
object_class->finalize = (GObjectFinalizeFunc)g_arm_instruction_finalize;
- instr->build_key = (build_instruction_keyword_fc)g_arm_instruction_build_keyword;
+ instr->get_keyword = (get_instruction_keyword_fc)g_arm_instruction_get_keyword;
}
@@ -133,6 +134,12 @@ static void g_arm_instruction_dispose(GArmInstruction *instr)
static void g_arm_instruction_finalize(GArmInstruction *instr)
{
+ if (instr->suffix != NULL)
+ free(instr->suffix);
+
+ if (instr->cached_keyword != NULL)
+ free(instr->cached_keyword);
+
G_OBJECT_CLASS(g_arm_instruction_parent_class)->finalize(G_OBJECT(instr));
}
@@ -140,10 +147,38 @@ static void g_arm_instruction_finalize(GArmInstruction *instr)
/******************************************************************************
* *
-* Paramètres : instr = instruction à traiter. *
+* Paramètres : instr = instruction quelconque à modifier. *
+* suffix = chaîne de caractères fournie en complément. *
+* *
+* Description : Etend la désignation d'un nom d'instruction. *
+* *
+* Retour : true. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool g_arm_instruction_extend_keyword(GArmInstruction *instr, const char *suffix)
+{
+ instr->suffix = stradd(instr->suffix, suffix);
+
+ if (instr->cached_keyword != NULL)
+ {
+ free(instr->cached_keyword);
+ instr->cached_keyword = NULL;
+ }
+
+ return true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : instr = instruction d'assemblage à consulter. *
* syntax = type de représentation demandée. *
* *
-* Description : Reconstruit le cache complet d'une désignation d'instruction.*
+* Description : Fournit le nom humain de l'instruction manipulée. *
* *
* Retour : Mot clef de bas niveau. *
* *
@@ -151,20 +186,18 @@ static void g_arm_instruction_finalize(GArmInstruction *instr)
* *
******************************************************************************/
-static void g_arm_instruction_build_keyword(const GArmInstruction *instr, AsmSyntax syntax)
+static const char *g_arm_instruction_get_keyword(GArmInstruction *instr, AsmSyntax syntax)
{
- GArchInstruction *base; /* Instruction, vue générique */
-
- /* FIXME : tout bouger dans la base des instructions ? */
+ if (instr->cached_keyword == NULL)
+ {
+ instr->cached_keyword = strdup(instr->keyword);
- base = G_ARCH_INSTRUCTION(instr);
+ if (instr->suffix != NULL)
+ instr->cached_keyword = stradd(instr->cached_keyword, instr->suffix);
- base->cached_keyword = strdup(instr->keyword);
+ }
- /*
- if (base->suffix != NULL)
- base->cached_keyword = stradd(base->cached_keyword, base->suffix);
- */
+ return instr->cached_keyword;
}
@@ -210,7 +243,7 @@ bool g_arm_instruction_set_cond(GArmInstruction *instr, ArmCondCode cond)
}
if (suffix != NULL)
- result = g_arch_instruction_extend_keyword(G_ARCH_INSTRUCTION(instr), suffix);
+ result = g_arm_instruction_extend_keyword(instr, suffix);
else
result = true;
diff --git a/src/arch/arm/instruction.h b/src/arch/arm/instruction.h
index 3211766..946d272 100644
--- a/src/arch/arm/instruction.h
+++ b/src/arch/arm/instruction.h
@@ -53,6 +53,9 @@ typedef struct _GArmInstructionClass GArmInstructionClass;
/* Indique le type défini pour une représentation d'une instruction ARM. */
GType g_arm_instruction_get_type(void);
+/* Etend la désignation d'un nom d'instruction. */
+bool g_arm_instruction_extend_keyword(GArmInstruction *, const char *);
+
/* Définit les conditions d'exécution d'une instruction ARM. */
bool g_arm_instruction_set_cond(GArmInstruction *, ArmCondCode);
diff --git a/src/arch/arm/v7/instruction.c b/src/arch/arm/v7/instruction.c
index d485dbc..0fba9cb 100644
--- a/src/arch/arm/v7/instruction.c
+++ b/src/arch/arm/v7/instruction.c
@@ -24,6 +24,12 @@
#include "instruction.h"
+#include <assert.h>
+#ifndef NDEBUG
+# include <string.h>
+#endif
+
+
#include "../instruction-int.h"
@@ -33,6 +39,8 @@ struct _GArmV7Instruction
{
GArmInstruction parent; /* Instance parente */
+ char encoding; /* Encodage de l'instruction */
+
bool setflags; /* Mise à jour des drapeaux */
};
@@ -190,14 +198,22 @@ GArchInstruction *g_armv7_instruction_new(const char *keyword)
static const char *g_armv7_instruction_get_encoding(const GArmV7Instruction *instr)
{
const char *result; /* Description à retourner */
- const char *raw; /* Description brute d'origine */
- raw = G_ARCH_INSTRUCTION(instr)->encoding;
+ switch (instr->encoding)
+ {
+ case 't':
+ result = "Thumb/16";
+ break;
- if (raw[0] == 'T' || raw[0] == 't')
- result = "Thumb";
- else
- result = "ARM";
+ case 'T':
+ result = "Thumb/32";
+ break;
+
+ default:
+ result = "ARM";
+ break;
+
+ }
return result;
@@ -206,6 +222,29 @@ static const char *g_armv7_instruction_get_encoding(const GArmV7Instruction *ins
/******************************************************************************
* *
+* Paramètres : instr = instruction quelconque à modifier. *
+* encoding = encodage de l'instruction. *
+* *
+* Description : Précise l'encodage d'une instruction ARMv7 dans le détail. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void g_armv7_instruction_set_encoding(GArmV7Instruction *instr, const char *encoding)
+{
+ assert(strlen(encoding) == 1);
+ assert(encoding[0] == 'A' || encoding[0] == 'T' || encoding[0] == 't');
+
+ instr->encoding = encoding[0];
+
+}
+
+
+/******************************************************************************
+* *
* Paramètres : instr = instruction ARMv7 à mettre à jour. *
* set = statut à enregistrer. *
* *
diff --git a/src/arch/arm/v7/instruction.h b/src/arch/arm/v7/instruction.h
index 291f2c9..5d79cb8 100644
--- a/src/arch/arm/v7/instruction.h
+++ b/src/arch/arm/v7/instruction.h
@@ -55,6 +55,9 @@ GType g_armv7_instruction_get_type(void);
/* Crée une instruction pour l'architecture ARMv7. */
GArchInstruction *g_armv7_instruction_new(const char *);
+/* Précise l'encodage d'une instruction ARMv7 dans le détail. */
+void g_armv7_instruction_set_encoding(GArmV7Instruction *, const char *);
+
/* Définit si une instruction ARMv7 met à jour les drapeaux. */
bool g_armv7_instruction_define_setflags(GArmV7Instruction *, bool);
diff --git a/src/arch/arm/v7/opdefs/Makefile.am b/src/arch/arm/v7/opdefs/Makefile.am
index 7844578..41785c6 100644
--- a/src/arch/arm/v7/opdefs/Makefile.am
+++ b/src/arch/arm/v7/opdefs/Makefile.am
@@ -24,7 +24,7 @@ D2C_MACROS = \
-M SignExtend=sign_extend_armv7_imm \
-M SetInsFlag=g_arch_instruction_set_flag \
-M StoreCondition=g_arm_instruction_set_cond \
- -M ExtendKeyword=g_arch_instruction_extend_keyword
+ -M ExtendKeyword=g_arm_instruction_extend_keyword
D2C_OPERANDS = \
-n BarrierLimitation \