Created a compiler for architecture instruction definitions.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@410 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

11 files changed, 269 insertions, 10 deletions

diff --git a/src/arch/arm/v7/Makefile.am b/src/arch/arm/v7/Makefile.am
index dc095ed..3fe1394 100644
--- a/src/arch/arm/v7/Makefile.am
+++ b/src/arch/arm/v7/Makefile.am
@@ -3,10 +3,14 @@ noinst_LTLIBRARIES = libarcharmv7.la
 
 libarcharmv7_la_SOURCES =				\
 	arm.h arm.c							\
+	helpers.h helpers.c					\
 	instruction.h instruction.c			\
 	processor.h processor.c				\
 	register.h register.c
 
+libarcharmv7_la_LIBADD =				\
+	opcodes/libarcharmv7opcodes.la
+
 libarcharmv7_la_CFLAGS = $(AM_CFLAGS)
 
 
@@ -15,4 +19,4 @@ AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
 AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
 
 
-SUBDIRS = #opdefs
+SUBDIRS = opdefs opcodes
diff --git a/src/arch/arm/v7/arm.c b/src/arch/arm/v7/arm.c
index 4953b6b..bd1beb8 100644
--- a/src/arch/arm/v7/arm.c
+++ b/src/arch/arm/v7/arm.c
@@ -27,6 +27,7 @@
 #include <stdint.h>
 
 
+#include "opcodes/opcodes.h"
 #include "../../../common/bconst.h"
 
 
@@ -82,7 +83,7 @@ static GArchInstruction *process_armv7_data_processing_register(uint32_t);
 #define armv7_read_instr_cmp_register(raw) NULL
 #define armv7_read_instr_cmn_register(raw) NULL
 #define armv7_read_instr_orr_register(raw) NULL
-#define armv7_read_instr_mov_register_arm(raw) NULL
+//#define armv7_read_instr_mov_register_arm(raw) NULL
 #define armv7_read_instr_lsl_immediate(raw) NULL
 #define armv7_read_instr_lsr_immediate(raw) NULL
 #define armv7_read_instr_asr_immediate(raw) NULL
diff --git a/src/arch/arm/v7/helpers.c b/src/arch/arm/v7/helpers.c
new file mode 100644
index 0000000..632c1b7
--- /dev/null
+++ b/src/arch/arm/v7/helpers.c
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * helpers.c - aide à la mise en place des opérandes ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "helpers.h"
+
+
+#include "register.h"
+#include "../../register.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : index = indice du registre correspondant.                    *
+*                                                                             *
+*  Description : Crée un opérande représentant un registre ARMv7.             *
+*                                                                             *
+*  Retour      : Adresse de la structure mise en place.                       *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GArchOperand *translate_armv7_register(uint8_t index)
+{
+    GArchOperand *result;                   /* Opérande à faire remonter   */
+    GArmV7Register *reg;                    /* Register à représenter      */
+
+    reg = g_armv7_register_new(index);
+
+    if (reg == NULL)
+        result = NULL;
+    else
+        result = g_register_operand_new(G_ARCH_REGISTER(reg));
+
+    return result;
+
+}
diff --git a/src/arch/arm/v7/helpers.h b/src/arch/arm/v7/helpers.h
new file mode 100644
index 0000000..9ea0d74
--- /dev/null
+++ b/src/arch/arm/v7/helpers.h
@@ -0,0 +1,40 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * helpers.h - prototypes pour l'aide à la mise en place des opérandes ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  OpenIDA is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  OpenIDA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _ARCH_ARM_V7_HELPERS_H
+#define _ARCH_ARM_V7_HELPERS_H
+
+
+#include <stdint.h>
+
+
+#include "../../operand.h"
+
+
+
+/* Crée un opérande représentant un registre ARMv7. */
+GArchOperand *translate_armv7_register(uint8_t);
+
+
+
+#endif  /* _ARCH_ARM_V7_HELPERS_H */
diff --git a/src/arch/arm/v7/instruction.c b/src/arch/arm/v7/instruction.c
index 24135f3..de81056 100644
--- a/src/arch/arm/v7/instruction.c
+++ b/src/arch/arm/v7/instruction.c
@@ -156,9 +156,9 @@ static void g_armv7_instruction_finalize(GArmV7Instruction *instr)
 *                                                                             *
 ******************************************************************************/
 
-GArmV7Instruction *g_armv7_instruction_new(const char *keyword)
+GArchInstruction *g_armv7_instruction_new(const char *keyword)
 {
-    GArmV7Instruction *result;                /* Structure à retourner       */
+    GArchInstruction *result;               /* Structure à retourner       */
 
     result = g_object_new(G_TYPE_ARMV7_INSTRUCTION, NULL);
 
@@ -176,16 +176,18 @@ GArmV7Instruction *g_armv7_instruction_new(const char *keyword)
 *                                                                             *
 *  Description : Définit si une instruction ARMv7 met à jour les drapeaux.    *
 *                                                                             *
-*  Retour      : -                                                            *
+*  Retour      : Bilan de l'opération.                                        *
 *                                                                             *
 *  Remarques   : -                                                            *
 *                                                                             *
 ******************************************************************************/
 
-void g_armv7_instruction_define_setflags(GArmV7Instruction *instr, bool set)
+bool g_armv7_instruction_define_setflags(GArmV7Instruction *instr, bool set)
 {
     instr->setflags = set;
 
+    return true;
+
 }
 
 
diff --git a/src/arch/arm/v7/instruction.h b/src/arch/arm/v7/instruction.h
index 97ee31a..291f2c9 100644
--- a/src/arch/arm/v7/instruction.h
+++ b/src/arch/arm/v7/instruction.h
@@ -30,6 +30,9 @@
 #include <stdint.h>
 
 
+#include "../../instruction.h"
+
+
 
 #define G_TYPE_ARMV7_INSTRUCTION               g_armv7_instruction_get_type()
 #define G_ARMV7_INSTRUCTION(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv7_instruction_get_type(), GArmV7Instruction))
@@ -50,10 +53,10 @@ typedef struct _GArmV7InstructionClass GArmV7InstructionClass;
 GType g_armv7_instruction_get_type(void);
 
 /* Crée une instruction pour l'architecture ARMv7. */
-GArmV7Instruction *g_armv7_instruction_new(const char *);
+GArchInstruction *g_armv7_instruction_new(const char *);
 
 /* Définit si une instruction ARMv7 met à jour les drapeaux. */
-void g_armv7_instruction_define_setflags(GArmV7Instruction *, bool);
+bool g_armv7_instruction_define_setflags(GArmV7Instruction *, bool);
 
 /* Indique si une instruction ARMv7 met à jour les drapeaux. */
 bool g_armv7_instruction_get_setflags(const GArmV7Instruction *);
diff --git a/src/arch/arm/v7/opcodes/Makefile.am b/src/arch/arm/v7/opcodes/Makefile.am
new file mode 100644
index 0000000..e77b7e8
--- /dev/null
+++ b/src/arch/arm/v7/opcodes/Makefile.am
@@ -0,0 +1,15 @@
+
+noinst_LTLIBRARIES = libarcharmv7opcodes.la
+
+libarcharmv7opcodes_la_SOURCES = 		\
+	mov.c								\
+	subs.c
+
+libarcharmv7opcodes_la_LIBADD =
+
+libarcharmv7opcodes_la_CFLAGS = $(AM_CFLAGS)
+
+
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
diff --git a/src/arch/arm/v7/opdefs/Makefile.am b/src/arch/arm/v7/opdefs/Makefile.am
new file mode 100644
index 0000000..8a799b1
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/Makefile.am
@@ -0,0 +1,37 @@
+
+include ../../../../../tools/d2c.mk
+
+
+D2C_BIN = ../../../../../tools/d2c
+
+D2C_OUTDIR = $(PWD)/..
+
+D2C_ARCH = armv7
+D2C_HEADER = _ARCH_ARM_V7
+
+D2C_ENCODINGS =							\
+	-e a=								\
+	-e t=thumb_
+
+D2C_MACROS =											\
+    -M SetFlags=g_armv7_instruction_define_setflags		\
+    -M Condition=g_arm_instruction_set_cond				\
+    -M Register=translate_armv7_register				\
+    -M "ExpandImmC32=g_imm_operand_new_from_value(MDS_32_BITS_UNSIGNED, "
+
+ARMV7_DEFS = 							\
+	mov_A88104.d						\
+	subs_B9320.d
+
+
+all: $(ARMV7_DEFS:.d=.g) untabify_disass fix_includes_in_c finish_disass
+
+fix_includes_in_c:
+	find ../opcodes -name '*c' -exec sed -i 's/##INCLUDES##/\n#include "..\/instruction.h"\n#include "..\/..\/instruction.h"\n#include "..\/helpers.h"\n#include "..\/..\/..\/..\/common\/bconst.h"\n\n/' {} \;
+
+finish_disass: $(D2C_OUTDIR)/opcodes/opcodes.h
+	sed -i 's/##INCLUDES##/#include\ <stdint.h>\n\n#include "..\/..\/..\/instruction.h"/' $<
+	if ! grep -q 'endif' $<; then echo -en "\n\n#endif  /* _ARCH_ARM_V7_OPCODES_OPCODES_H */\n" >> $< ; fi
+
+clean:
+	rm -f $(ARMV7_DEFS:.d=.g) $(D2C_OUTDIR)/opcodes/*c $(D2C_OUTDIR)/opcodes/opcodes.h
diff --git a/src/arch/arm/v7/opdefs/mov_A88104.d b/src/arch/arm/v7/opdefs/mov_A88104.d
new file mode 100644
index 0000000..1efebd3
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/mov_A88104.d
@@ -0,0 +1,47 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title MOV (register, ARM)
+
+@encoding(A1) {
+
+    @word cond(4) 0 0 0 1 1 0 1 S(1) 0 0 0 0 Rd(4) 0 0 0 0 0 0 0 0 Rm(4)
+
+    @syntax {S} {c} <Rd> <Rm>
+
+    @conv {
+
+        S = SetFlags(S)
+        c = Condition(cond)
+        Rd = Register(Rd)
+        Rm = Register(Rm)
+
+    }
+
+    @rules {
+
+        if ((Rd == '1111') && (S == '1')) ; see SUBS PC, LR and related instructions (ARM)
+
+    }
+
+}
diff --git a/src/arch/arm/v7/opdefs/subs_B9320.d b/src/arch/arm/v7/opdefs/subs_B9320.d
new file mode 100644
index 0000000..335e614
--- /dev/null
+++ b/src/arch/arm/v7/opdefs/subs_B9320.d
@@ -0,0 +1,44 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2014 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title SUBS PC, LR and related instructions (ARM)
+
+@encoding(A1) {
+
+    @word cond(4) 0 0 1 opcode(4) 1 Rn(4) 1 1 1 1 imm12(12)
+
+    @syntax {c} <Rn> <#const>
+
+    @conv {
+
+        c = Condition(cond)
+        Rn = Register(Rn)
+        const = ExpandImmC32(imm12)
+
+    }
+
+    @rules {
+
+    }
+
+}
diff --git a/src/arch/arm/v7/processor.c b/src/arch/arm/v7/processor.c
index 3ce1623..dd2f39f 100644
--- a/src/arch/arm/v7/processor.c
+++ b/src/arch/arm/v7/processor.c
@@ -218,7 +218,7 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr
     //exit(1);
 
 
-    raw = 0xe1a0000a;
+
 
 
     start = get_phy_addr(pos);
@@ -226,16 +226,24 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr
     if (!read_u32(&raw, data, &start, end, G_ARCH_PROCESSOR(proc)->endianness))
         return NULL;
 
+    if (raw == 0xe1a0000a)
+    printf("process @ 0x%x :: 0x%08x\n", start, raw);
 
+    /*
     if (raw == 0xe1a0000a)
         printf("read !!!!!!!\n");
-
+    */
 
     /* TODO : thumb... */
 
 
     result = process_armv7_instruction_set_encoding(raw);
 
+    if (raw == 0xe1a0000a)
+        printf(" --> %p\n", result);
+
+
+
     if (result != NULL)
         advance_vmpa(pos, 4);