diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/analysis/disass/fetch.c | 10 | ||||
| -rw-r--r-- | src/analysis/disass/links.c | 4 | ||||
| -rw-r--r-- | src/analysis/disass/loop.c | 4 | ||||
| -rw-r--r-- | src/analysis/disass/output.c | 2 | ||||
| -rw-r--r-- | src/analysis/routine.h | 4 | ||||
| -rw-r--r-- | src/arch/Makefile.am | 1 | ||||
| -rw-r--r-- | src/arch/arm/v7/Makefile.am | 1 | ||||
| -rw-r--r-- | src/arch/arm/v7/helpers.c | 2 | ||||
| -rw-r--r-- | src/arch/arm/v7/opdefs/bl_A8825.d | 12 | ||||
| -rw-r--r-- | src/arch/arm/v7/post.c | 216 | ||||
| -rw-r--r-- | src/arch/arm/v7/post.h | 41 | ||||
| -rw-r--r-- | src/arch/arm/v7/processor.c | 28 | ||||
| -rw-r--r-- | src/arch/immediate.c | 1 | ||||
| -rw-r--r-- | src/arch/instruction-int.h | 2 | ||||
| -rw-r--r-- | src/arch/instruction.c | 48 | ||||
| -rw-r--r-- | src/arch/instruction.h | 12 | ||||
| -rw-r--r-- | src/arch/target.c | 325 | ||||
| -rw-r--r-- | src/arch/target.h | 71 | ||||
| -rw-r--r-- | src/format/dex/method.h | 2 | ||||
| -rw-r--r-- | src/format/format.c | 6 | ||||
| -rw-r--r-- | src/glibext/gbuffersegment.c | 1 | ||||
| -rw-r--r-- | src/glibext/gbuffersegment.h | 2 | 
22 files changed, 785 insertions, 10 deletions
diff --git a/src/analysis/disass/fetch.c b/src/analysis/disass/fetch.c index f10178a..dea6645 100644 --- a/src/analysis/disass/fetch.c +++ b/src/analysis/disass/fetch.c @@ -430,6 +430,16 @@ static GArchInstruction *load_code_binary(const GLoadedBinary *binary, const vmp          //done += (new_phy - old_phy);          //gtk_extended_status_bar_update_activity(statusbar, id, done * 1.0 / sum); + + + + + +        g_arch_instruction_call_post_prod_function(instr, format); /* FIXME */ + + + +      }      return result; diff --git a/src/analysis/disass/links.c b/src/analysis/disass/links.c index d437682..dc870fc 100644 --- a/src/analysis/disass/links.c +++ b/src/analysis/disass/links.c @@ -25,6 +25,10 @@ +#include "../../arch/instruction.h" + + +  /******************************************************************************  *                                                                             *  *  Paramètres  : list      = ensemble d'instructions à relier.                * diff --git a/src/analysis/disass/loop.c b/src/analysis/disass/loop.c index 79e3786..0a06748 100644 --- a/src/analysis/disass/loop.c +++ b/src/analysis/disass/loop.c @@ -30,6 +30,10 @@ +#include "../../arch/instruction.h" + + +  /* Suivi du flot d'exécution */  typedef struct _exec_flow  { diff --git a/src/analysis/disass/output.c b/src/analysis/disass/output.c index 97924cd..eb53206 100644 --- a/src/analysis/disass/output.c +++ b/src/analysis/disass/output.c @@ -189,7 +189,7 @@ void print_disassembled_instructions(GCodeBuffer *buffer, const GExeFormat *form                      g_buffer_line_fill_mrange(line, msize, msize);                      g_buffer_line_start_merge_at(line, BLC_ASSEMBLY_HEAD); -                    g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, label, strlen(label), RTT_COMMENT); +                    g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, label, strlen(label), RTT_LABEL);                      g_buffer_line_insert_text(line, BLC_ASSEMBLY_HEAD, ":", 1, RTT_PUNCT); diff --git a/src/analysis/routine.h b/src/analysis/routine.h index 3aa33ac..177547b 100644 --- a/src/analysis/routine.h +++ b/src/analysis/routine.h @@ -32,10 +32,12 @@  #include "block.h"  #include "variable.h" -#include "../arch/instruction.h" +//#include "../arch/instruction.h"  #include "../decomp/instruction.h" +typedef struct _GArchInstruction GArchInstruction; +  /* Type de routine traitée */  typedef enum _RoutineType diff --git a/src/arch/Makefile.am b/src/arch/Makefile.am index 1c63016..33747fb 100644 --- a/src/arch/Makefile.am +++ b/src/arch/Makefile.am @@ -16,6 +16,7 @@ libarch_la_SOURCES =					\  	raw.h raw.c							\  	register-int.h						\  	register.h register.c				\ +	target.h target.c					\  	translate.h							\  	vmpa.h vmpa.c diff --git a/src/arch/arm/v7/Makefile.am b/src/arch/arm/v7/Makefile.am index 0bb88aa..704b3a6 100644 --- a/src/arch/arm/v7/Makefile.am +++ b/src/arch/arm/v7/Makefile.am @@ -5,6 +5,7 @@ libarcharmv7_la_SOURCES =				\  	arm.h arm.c							\  	helpers.h helpers.c					\  	instruction.h instruction.c			\ +	post.h post.c						\  	processor.h processor.c				\  	pseudo.h pseudo.c					\  	register.h register.c				\ diff --git a/src/arch/arm/v7/helpers.c b/src/arch/arm/v7/helpers.c index 8acfeb5..45c6ba5 100644 --- a/src/arch/arm/v7/helpers.c +++ b/src/arch/arm/v7/helpers.c @@ -145,7 +145,7 @@ GArchOperand *sign_extend_armv7_imm(uint32_t value, bool topbit, unsigned int si              mds = MDS_ ## sz ## _BITS_SIGNED;                       \              val ## sz = value;                                      \              if (topbit)                                             \ -                for (i = msb + 1; i < sz; i++)                      \ +                for (i = msb; i < sz; i++)                          \                      val ## sz |= (1 << i);                          \              result = g_imm_operand_new_from_value(mds, val ## sz);  \              break; diff --git a/src/arch/arm/v7/opdefs/bl_A8825.d b/src/arch/arm/v7/opdefs/bl_A8825.d index c9ef5d0..dc9c922 100644 --- a/src/arch/arm/v7/opdefs/bl_A8825.d +++ b/src/arch/arm/v7/opdefs/bl_A8825.d @@ -25,7 +25,7 @@  @encoding(T1) { -    @word 1 1 1 1 0 S(1) imm10H(10) 1 1 J1(1) 1 J2(1) imm10L(10) H(1) +    @word 1 1 1 1 0 S(1) imm10(10) 1 1 J1(1) 1 J2(1) imm11(11)      @syntax <imm32> @@ -33,7 +33,7 @@          I1 = NOT(J1 EOR S)          I2 = NOT(J2 EOR S) -        imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', s, 32) +        imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', S, 32)      } @@ -41,15 +41,15 @@  @encoding(T2) { -    @word 1 1 1 1 0 S(1) imm10(10) 1 1 J1(1) 0 J2(1) imm11(11) +    @word 1 1 1 1 0 S(1) imm10H(10) 1 1 J1(1) 0 J2(1) imm10L(10) H(1) -    @syntax <imm32> +    @syntax "blx" <imm32>      @conv {          I1 = NOT(J1 EOR S)          I2 = NOT(J2 EOR S) -        imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', S, 32) +        imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', S, 32)      } @@ -73,7 +73,7 @@      @word cond(4) 1 0 1 H(1) imm24(24) -    @syntax <imm32> +    @syntax "blx" <imm32>      @conv { diff --git a/src/arch/arm/v7/post.c b/src/arch/arm/v7/post.c new file mode 100644 index 0000000..8ba12d8 --- /dev/null +++ b/src/arch/arm/v7/post.c @@ -0,0 +1,216 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * post.c - traitements complémentaires à la phase de désassemblage + * + * 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 "post.h" + + + + + +#include "../../target.h" + + + + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : instr  = instruction ARMv7 à traiter.                        * +*                format = acès aux données du binaire d'origine.              * +*                                                                             * +*  Description : Complète un désassemblage accompli pour une instruction.     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +void post_process_thumb_instruction_bl(GArchInstruction *instr, GBinFormat *format) +{ + + +    const mrange_t *range; + +    virt_t pc; + + + + + +    GArchOperand *op; +    vmpa_t val; +    GArchOperand *new; + +    vmpa2t target; +    mrange_t trange; +    VMPA_BUFFER(loc); +    char name[5 + VMPA_MAX_LEN]; +    GBinRoutine *routine;                   /* Nouvelle routine trouvée    */ +    GBinSymbol *symbol;                     /* Nouveau symbole construit   */ + + + + +    range = g_arch_instruction_get_range(instr); + +    pc = get_virt_addr(get_mrange_addr(range)) + 4 /* PC++ */; +    printf("  -- PC = 0x%x\n", (unsigned int)pc); + + +    op = g_arch_instruction_get_operand(instr, 0); + +    g_imm_operand_to_vmpa_t(G_IMM_OPERAND(op), &val); + +    printf("  -> %llx = %lld  ==>> 0x%x\n", val, val, (unsigned int)(pc + val)); + + + +    new = g_target_operand_new(MDS_32_BITS, pc + val); + +    if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format)) +    { +        init_vmpa(&target, VMPA_NO_PHYSICAL, pc + val); +        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); +    //g_arch_instruction_attach_extra_operand(result, new); + + + +} + + + + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : instr  = instruction ARMv7 à traiter.                        * +*                format = acès aux données du binaire d'origine.              * +*                                                                             * +*  Description : Complète un désassemblage accompli pour une instruction.     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +void post_process_thumb_instruction_blx(GArchInstruction *instr, GBinFormat *format) +{ + + + + + +    const mrange_t *range; + +    virt_t pc; + + + +    GArchOperand *op; +    vmpa_t val; +    GArchOperand *new; + +    vmpa2t target; +    mrange_t trange; +    VMPA_BUFFER(loc); +    char name[5 + VMPA_MAX_LEN]; +    GBinRoutine *routine;                   /* Nouvelle routine trouvée    */ +    GBinSymbol *symbol;                     /* Nouveau symbole construit   */ + + + +    range = g_arch_instruction_get_range(instr); + +    pc = get_virt_addr(get_mrange_addr(range)) + 4 /* PC++ */; + +    printf("  -- PC = 0x%x -> 0x%x\n", (unsigned int)pc, (unsigned int)pc - pc % 4); +    pc = pc - pc % 4; + +    op = g_arch_instruction_get_operand(instr, 0); + +    g_imm_operand_to_vmpa_t(G_IMM_OPERAND(op), &val); + +    printf("  -> %llx = %lld  ==>> 0x%x\n", val, val, (unsigned int)(pc + val)); + + + +    new = g_target_operand_new(MDS_32_BITS, pc + val); + +    if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format)) +    { +        init_vmpa(&target, VMPA_NO_PHYSICAL, pc + val); +        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); +    //g_arch_instruction_attach_extra_operand(result, new); + + + + +} + diff --git a/src/arch/arm/v7/post.h b/src/arch/arm/v7/post.h new file mode 100644 index 0000000..d9ad99e --- /dev/null +++ b/src/arch/arm/v7/post.h @@ -0,0 +1,41 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * post.h - prototypes pour les traitements complémentaires à la phase de désassemblage + * + * 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_POST_H +#define _ARCH_ARM_V7_POST_H + + +#include "../../instruction.h" +#include "../../../format/format.h" + + + +/* Complète un désassemblage accompli pour une instruction. */ +void post_process_thumb_instruction_bl(GArchInstruction *, GBinFormat *); + +/* Complète un désassemblage accompli pour une instruction. */ +void post_process_thumb_instruction_blx(GArchInstruction *, GBinFormat *); + + + +#endif  /* _ARCH_ARM_V7_POST_H */ diff --git a/src/arch/arm/v7/processor.c b/src/arch/arm/v7/processor.c index dac9639..2b8617b 100644 --- a/src/arch/arm/v7/processor.c +++ b/src/arch/arm/v7/processor.c @@ -200,7 +200,7 @@ GArmV7Processor *g_armv7_processor_new(void)  *  Remarques   : -                                                            *  *                                                                             *  ******************************************************************************/ - +#include "post.h"  static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *proc, GArmContext *ctx, const bin_t *data, vmpa2t *pos, phys_t end)  {      GArchInstruction *result;               /* Instruction à renvoyer      */ @@ -209,6 +209,9 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr      uint16_t raw16;                         /* Donnée 16 bits à analyser   */      uint32_t raw32;                         /* Donnée 32 bits à analyser   */ + + +      start = get_phy_addr(pos);      diff = 4; @@ -258,6 +261,29 @@ static GArchInstruction *g_armv7_processor_disassemble(const GArmV7Processor *pr          result = g_raw_instruction_new_array(data, MDS_32_BITS, 1, pos, end,                                               G_ARCH_PROCESSOR(proc)->endianness); + + + + +    if (strcmp(g_arch_instruction_get_keyword(result, 0), "bl") == 0/* && pc == 0x000085b2*/) +    { + + +        g_arch_instruction_set_post_prod_function(result, post_process_thumb_instruction_bl); + + + +    } + +    if (strcmp(g_arch_instruction_get_keyword(result, 0), "blx") == 0/* && pc == 0x000085b2*/) +    { + +        g_arch_instruction_set_post_prod_function(result, post_process_thumb_instruction_blx); + + +    } + +      return result;  } diff --git a/src/arch/immediate.c b/src/arch/immediate.c index 574fc3d..f8ef432 100644 --- a/src/arch/immediate.c +++ b/src/arch/immediate.c @@ -857,6 +857,7 @@ bool g_imm_operand_to_vmpa_t(const GImmOperand *operand, vmpa_t *addr)              *addr = operand->unsigned_imm.val64;              break;          default: +            *addr = operand->signed_imm.val32;//////              result = false;              break;      } diff --git a/src/arch/instruction-int.h b/src/arch/instruction-int.h index f96753a..aedd468 100644 --- a/src/arch/instruction-int.h +++ b/src/arch/instruction-int.h @@ -58,6 +58,8 @@ struct _GArchInstruction      const char *suffix;                     /* Complément au nom affiché   */      char *cached_keyword;                   /* Désignation complète        */ +    instr_post_prod_fc post_prod;   /* A remplacer par un signal... */ +      mrange_t range;                         /* Emplacement en mémoire      */      /* ------- %< ----------- */ diff --git a/src/arch/instruction.c b/src/arch/instruction.c index c8640b4..a96f0e4 100644 --- a/src/arch/instruction.c +++ b/src/arch/instruction.c @@ -167,6 +167,51 @@ void g_arch_instruction_append_suffix(GArchInstruction *instr, const char *suffi  /******************************************************************************  *                                                                             * +*  Paramètres  : instr = instruction quelconque à modifier.                   * +*                post  = fonction à appeler sur commande.                     * +*                                                                             * +*  Description : Définit une fonction de post-traitement après désassemblage. * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +void g_arch_instruction_set_post_prod_function(GArchInstruction *instr, instr_post_prod_fc post) +{ +    instr->post_prod = post; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : instr = instruction quelconque à traiter.                    * +*                data  = données éventuelles associées à l'opération.         * +*                                                                             * +*  Description : Complète un désassemblage accompli pour une instruction.     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +void g_arch_instruction_call_post_prod_function(GArchInstruction *instr, void *data) +{ +    if (instr->post_prod != NULL) +        instr->post_prod(instr, data); + +} + + + + + + +/****************************************************************************** +*                                                                             *  *  Paramètres  : instr   = instruction quelconque à modifier.                 *  *                address = adresse virtuelle et/ou position physique.         *  *                length  = taille de l'instruction.                           * @@ -321,7 +366,10 @@ void g_arch_instruction_replace_operand(GArchInstruction *instr, GArchOperand *n              break;      if (i < instr->operands_count) +    { +        g_object_unref(G_OBJECT(instr->operands[i]));          instr->operands[i] = new; +    }  } diff --git a/src/arch/instruction.h b/src/arch/instruction.h index 287e34f..7b9fe66 100644 --- a/src/arch/instruction.h +++ b/src/arch/instruction.h @@ -35,6 +35,7 @@  #include "../decomp/context.h"  #include "../decomp/instruction.h"  //#include "../format/executable.h" +#include "../format/format.h" @@ -59,6 +60,17 @@ GType g_arch_instruction_get_type(void);  /* Etend la désignation d'un nom d'instruction. */  void g_arch_instruction_append_suffix(GArchInstruction *, const char *); +/* Complète un désassemblage accompli pour une instruction. */ +typedef void (* instr_post_prod_fc)(GArchInstruction *, void *); + +/* Définit une fonction de post-traitement après désassemblage. */ +void g_arch_instruction_set_post_prod_function(GArchInstruction *, instr_post_prod_fc); + +/* Complète un désassemblage accompli pour une instruction. */ +void g_arch_instruction_call_post_prod_function(GArchInstruction *, void *); + + +  /* Définit la localisation d'une instruction. */  void g_arch_instruction_set_range(GArchInstruction *, const mrange_t *); diff --git a/src/arch/target.c b/src/arch/target.c new file mode 100644 index 0000000..93ccbe4 --- /dev/null +++ b/src/arch/target.c @@ -0,0 +1,325 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * target.c - opérandes ciblant un symbole + * + * 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 "target.h" + + +#include <inttypes.h> +#include <malloc.h> +#include <stdarg.h> +#include <stdio.h> +#include <string.h> + + +#include "operand-int.h" +#include "../common/extstr.h" +#include "../format/format.h" + + + +/* Définition d'un opérande ciblant idéalement un symbole connu (instance) */ +struct _GTargetOperand +{ +    GArchOperand parent;                    /* Instance parente            */ + +    MemoryDataSize size;                    /* Taille de l'opérande        */ +    virt_t addr;                            /* Adresse de l'élément visé   */ + +    GBinSymbol *symbol;                     /* Eventuel symbole associé    */ +    phys_t diff;                            /* Position dans le symbole    */ + +}; + + +/* Définition d'un opérande ciblant idéalement un symbole connu (classe) */ +struct _GTargetOperandClass +{ +    GArchOperandClass parent;               /* Classe parente              */ + +}; + + +/* Initialise la classe des opérandes ciblant des symboles. */ +static void g_target_operand_class_init(GTargetOperandClass *); + +/* Initialise la classe des opérandes ciblant des symboles. */ +static void g_target_operand_init(GTargetOperand *); + +/* Supprime toutes les références externes. */ +static void g_target_operand_dispose(GTargetOperand *); + +/* Procède à la libération totale de la mémoire. */ +static void g_target_operand_finalize(GTargetOperand *); + +/* Traduit un opérande en version humainement lisible. */ +static void g_target_operand_print(const GTargetOperand *, GBufferLine *, AsmSyntax); + + + +/* Indique le type défini pour un opérande de valeur numérique. */ +G_DEFINE_TYPE(GTargetOperand, g_target_operand, G_TYPE_ARCH_OPERAND); + + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : klass = classe à initialiser.                                * +*                                                                             * +*  Description : Initialise la classe des opérandes ciblant des symboles.     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_target_operand_class_init(GTargetOperandClass *klass) +{ +    GObjectClass *object;                   /* Autre version de la classe  */ +    GArchOperandClass *operand;             /* Version de classe parente   */ + +    object = G_OBJECT_CLASS(klass); +    operand = G_ARCH_OPERAND_CLASS(klass); + +    object->dispose = (GObjectFinalizeFunc/* ! */)g_target_operand_dispose; +    object->finalize = (GObjectFinalizeFunc)g_target_operand_finalize; + +    operand->print = (operand_print_fc)g_target_operand_print; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = instance à initialiser.                            * +*                                                                             * +*  Description : Initialise la classe des opérandes ciblant des symboles.     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_target_operand_init(GTargetOperand *operand) +{ + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = instance d'objet GLib à traiter.                   * +*                                                                             * +*  Description : Supprime toutes les références externes.                     * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_target_operand_dispose(GTargetOperand *operand) +{ +    if (operand->symbol != NULL) +        g_object_unref(G_OBJECT(operand->symbol)); + +    G_OBJECT_CLASS(g_target_operand_parent_class)->dispose(G_OBJECT(operand)); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = instance d'objet GLib à traiter.                   * +*                                                                             * +*  Description : Procède à la libération totale de la mémoire.                * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_target_operand_finalize(GTargetOperand *operand) +{ +    G_OBJECT_CLASS(g_target_operand_parent_class)->finalize(G_OBJECT(operand)); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : size = taille des adresse mémoire virtuelles.                * +*                addr = adresse virtuelle d'un élément à retrouver.           * +*                                                                             * +*  Description : Crée un opérande réprésentant une valeur numérique.          * +*                                                                             * +*  Retour      : Instruction mise en place.                                   * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +GArchOperand *g_target_operand_new(MemoryDataSize size, virt_t addr) +{ +    GTargetOperand *result;                 /* Opérande à retourner        */ + +    result = g_object_new(G_TYPE_TARGET_OPERAND, NULL); + +    result->size = size; +    result->addr = addr; + +    return G_ARCH_OPERAND(result); + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = opérande à traiter.                                * +*                line    = ligne tampon où imprimer l'opérande donné.         * +*                syntax  = type de représentation demandée.                   * +*                                                                             * +*  Description : Traduit un opérande en version humainement lisible.          * +*                                                                             * +*  Retour      : -                                                            * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +static void g_target_operand_print(const GTargetOperand *operand, GBufferLine *line, AsmSyntax syntax) +{ +    const char *label;                      /* Etiquette liée à un symbole */ +    vmpa2t tmp;                             /* Coquille vide pour argument */ +    VMPA_BUFFER(value);                     /* Adresse brute à imprimer    */ +    size_t len;                             /* Taille de l'élément inséré  */ + +    if (operand->symbol != NULL) +    { +        if (operand->diff > 0) +            g_buffer_line_insert_text(line, BLC_MAIN, "<", 1, RTT_LTGT); + +        label = g_binary_symbol_get_label(operand->symbol); +        g_buffer_line_insert_text(line, BLC_MAIN, label, strlen(label), RTT_LABEL); + +        if (operand->diff > 0) +        { +            g_buffer_line_insert_text(line, BLC_MAIN, "+", 1, RTT_SIGNS); + +            init_vmpa(&tmp, operand->diff, VMPA_NO_VIRTUAL); +            vmpa2_phys_to_string(&tmp, MDS_4_BITS, value, &len); + +            g_buffer_line_insert_text(line, BLC_MAIN, value, len, RTT_LABEL); + +            g_buffer_line_insert_text(line, BLC_MAIN, ">", 1, RTT_LTGT); + +        } + +    } +    else +    { +        init_vmpa(&tmp, VMPA_NO_PHYSICAL, operand->addr); +        vmpa2_virt_to_string(&tmp, operand->size, value, &len); + +        g_buffer_line_insert_text(line, BLC_MAIN, value, len, RTT_LABEL); + +    } + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = structure dont le contenu est à consulter.         * +*                                                                             * +*  Description : Renseigne la taille de la valeur indiquée à la construction. * +*                                                                             * +*  Retour      : Taille de la valeur représentée en mémoire.                  * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +MemoryDataSize g_target_operand_get_size(const GTargetOperand *operand) +{ +    return operand->size; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = structure dont le contenu est à définir.           * +*                                                                             * +*  Description : Fournit l'adresse en mémoire de l'élément visé.              * +*                                                                             * +*  Retour      : Adresse en mémoire virtuelle associée.                       * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +virt_t g_target_operand_get_addr(const GTargetOperand *operand) +{ +    return operand->addr; + +} + + +/****************************************************************************** +*                                                                             * +*  Paramètres  : operand = opérande dont le contenu est à raffiner.           * +*                format  = format du binaire d'origine à consulter.           * +*                                                                             * +*  Description : Tente une résolution de symbole.                             * +*                                                                             * +*  Retour      : Bilan de l'opération.                                        * +*                                                                             * +*  Remarques   : -                                                            * +*                                                                             * +******************************************************************************/ + +bool g_target_operand_resolve(GTargetOperand *operand, const GBinFormat *format) +{ +    bool result;                            /* Bilan à retourner           */ +    vmpa2t addr;                            /* Adresse de recherche        */ + +    if (operand->symbol != NULL) +        g_object_unref(G_OBJECT(operand->symbol)); + +    operand->symbol = NULL; +    operand->diff = 0; + +    init_vmpa(&addr, VMPA_NO_PHYSICAL, operand->addr); + +    result = g_binary_format_resolve_symbol(format, &addr, &operand->symbol, &operand->diff); + +    /** +     * En cas de succès, le compteur de références du symbole trouvé a été incrémenté. +     */ + +    return result; + +} diff --git a/src/arch/target.h b/src/arch/target.h new file mode 100644 index 0000000..ada1a6c --- /dev/null +++ b/src/arch/target.h @@ -0,0 +1,71 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * target.h - prototypes pour les opérandes ciblant un symbole + * + * 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_TARGET_H +#define _ARCH_TARGET_H + + +#include <glib-object.h> +#include <stdbool.h> + + +#include "archbase.h" +#include "operand.h" +#include "vmpa.h" +#include "../format/format.h" + + + +#define G_TYPE_TARGET_OPERAND               g_target_operand_get_type() +#define G_TARGET_OPERAND(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_target_operand_get_type(), GTargetOperand)) +#define G_IS_TARGET_OPERAND(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_target_operand_get_type())) +#define G_TARGET_OPERAND_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_TARGET_OPERAND, GTargetOperandClass)) +#define G_IS_TARGET_OPERAND_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_TARGET_OPERAND)) +#define G_TARGET_OPERAND_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_TARGET_OPERAND, GTargetOperandClass)) + + +/* Définition d'un opérande ciblant idéalement un symbole connu (instance) */ +typedef struct _GTargetOperand GTargetOperand; + +/* Définition d'un opérande ciblant idéalement un symbole connu (classe) */ +typedef struct _GTargetOperandClass GTargetOperandClass; + + +/* Indique le type défini pour un opérande d'architecture. */ +GType g_target_operand_get_type(void); + +/* Crée un opérande réprésentant une valeur numérique. */ +GArchOperand *g_target_operand_new(MemoryDataSize, virt_t); + +/* Renseigne la taille de la valeur indiquée à la construction. */ +MemoryDataSize g_target_operand_get_size(const GTargetOperand *); + +/* Fournit l'adresse en mémoire de l'élément visé. */ +virt_t g_target_operand_get_addr(const GTargetOperand *); + +/* Tente une résolution de symbole. */ +bool g_target_operand_resolve(GTargetOperand *, const GBinFormat *); + + + +#endif  /* _ARCH_TARGET_H */ diff --git a/src/format/dex/method.h b/src/format/dex/method.h index e4e483b..472e42d 100644 --- a/src/format/dex/method.h +++ b/src/format/dex/method.h @@ -32,6 +32,8 @@  #include "dex_def.h" +#include "../part.h" +  #define G_TYPE_DEX_METHOD                  (g_dex_method_get_type())  #define G_DEX_METHOD(obj)                  (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_DEX_METHOD, GDexMethod)) diff --git a/src/format/format.c b/src/format/format.c index ff62b80..cb43a94 100644 --- a/src/format/format.c +++ b/src/format/format.c @@ -198,6 +198,12 @@ void g_binary_format_add_symbol(GBinFormat *format, GBinSymbol *symbol)      format->symbols[format->symbols_count - 1] = symbol; + +	qsort(format->symbols, format->symbols_count, +		  sizeof(GBinSymbol *), (__compar_fn_t)g_binary_symbol_cmp); + + +  } diff --git a/src/glibext/gbuffersegment.c b/src/glibext/gbuffersegment.c index 1e1a9b9..3d9e5a9 100644 --- a/src/glibext/gbuffersegment.c +++ b/src/glibext/gbuffersegment.c @@ -67,6 +67,7 @@ static const char *_segment_names[RTT_COUNT] = {      [RTT_VIRT_ADDR_PAD] = SEGMENT_NAME("virt-addr-padding"),      [RTT_VIRT_ADDR]     = SEGMENT_NAME("virt-addr"),      [RTT_RAW_CODE]      = SEGMENT_NAME("raw-code"), +    [RTT_LABEL]         = SEGMENT_NAME("label"),      [RTT_INSTRUCTION]   = SEGMENT_NAME("instruction"),      [RTT_IMMEDIATE]     = SEGMENT_NAME("immediate"),      [RTT_REGISTER]      = SEGMENT_NAME("register"), diff --git a/src/glibext/gbuffersegment.h b/src/glibext/gbuffersegment.h index 2dd0b6d..f5cd4b2 100644 --- a/src/glibext/gbuffersegment.h +++ b/src/glibext/gbuffersegment.h @@ -54,6 +54,8 @@ typedef enum _RenderingTagType      RTT_VIRT_ADDR,                          /* Adresse virtuelle           */      RTT_RAW_CODE,                           /* Code binaire brut           */ +    RTT_LABEL,                              /* Etiquette sur une adresse   */ +      RTT_INSTRUCTION,                        /* Code binaire brut           */      RTT_IMMEDIATE,                          /* Valeur immédiate            */  | 
