diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2015-03-31 23:20:33 (GMT) |
---|---|---|
committer | Cyrille Bagard <nocbos@gmail.com> | 2015-03-31 23:20:33 (GMT) |
commit | 5cc7bd39ae41af40a0c939acf98f90bf1375effd (patch) | |
tree | 4f7140e2c5a8d939c672fb941e66903300229e82 /src/arch | |
parent | 52e036040b5e0ad8acde3d467ac8d9ca43ed414c (diff) |
Saved some progress in the definition of basic blocks.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@497 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch')
-rw-r--r-- | src/arch/Makefile.am | 1 | ||||
-rw-r--r-- | src/arch/arm/v7/Makefile.am | 2 | ||||
-rw-r--r-- | src/arch/arm/v7/fetch.c (renamed from src/arch/arm/v7/link.c) | 22 | ||||
-rw-r--r-- | src/arch/arm/v7/fetch.h | 113 | ||||
-rw-r--r-- | src/arch/arm/v7/link.h | 113 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/Makefile.am | 2 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/b_A8818.d | 25 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/bl_A8825.d | 8 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/bx_A8827.d | 4 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/cbnz_A8829.d | 4 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/ldr_A8864.d | 6 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/pop_A88131.d | 3 | ||||
-rw-r--r-- | src/arch/arm/v7/opdefs/pop_A88132.d | 2 | ||||
-rw-r--r-- | src/arch/arm/v7/post.c | 12 | ||||
-rw-r--r-- | src/arch/arm/v7/post.h | 8 | ||||
-rw-r--r-- | src/arch/instruction.c | 8 | ||||
-rw-r--r-- | src/arch/instruction.h | 16 | ||||
-rw-r--r-- | src/arch/link.c | 190 | ||||
-rw-r--r-- | src/arch/link.h | 45 | ||||
-rw-r--r-- | src/arch/processor-int.h | 7 | ||||
-rw-r--r-- | src/arch/processor.c | 147 | ||||
-rw-r--r-- | src/arch/processor.h | 16 |
22 files changed, 596 insertions, 158 deletions
diff --git a/src/arch/Makefile.am b/src/arch/Makefile.am index 33747fb..aab7ec8 100644 --- a/src/arch/Makefile.am +++ b/src/arch/Makefile.am @@ -9,6 +9,7 @@ libarch_la_SOURCES = \ immediate.h immediate.c \ instruction-int.h \ instruction.h instruction.c \ + link.h link.c \ operand-int.h \ operand.h operand.c \ processor-int.h \ diff --git a/src/arch/arm/v7/Makefile.am b/src/arch/arm/v7/Makefile.am index 22e93d4..f9b35b6 100644 --- a/src/arch/arm/v7/Makefile.am +++ b/src/arch/arm/v7/Makefile.am @@ -4,9 +4,9 @@ noinst_LTLIBRARIES = libarcharmv7.la libarcharmv7_la_SOURCES = \ arm.h arm.c \ context.h context.c \ + fetch.h fetch.c \ helpers.h helpers.c \ instruction.h instruction.c \ - link.h link.c \ post.h post.c \ processor.h processor.c \ pseudo.h pseudo.c \ diff --git a/src/arch/arm/v7/link.c b/src/arch/arm/v7/fetch.c index 308d4e5..18d61f0 100644 --- a/src/arch/arm/v7/link.c +++ b/src/arch/arm/v7/fetch.c @@ -1,6 +1,6 @@ /* Chrysalide - Outil d'analyse de fichiers binaires - * post.c - traitements complémentaires à la phase de désassemblage + * fetch.c - traitements complémentaires à la phase de désassemblage * * Copyright (C) 2014 Cyrille Bagard * @@ -21,7 +21,7 @@ */ -#include "link.h" +#include "fetch.h" #include <assert.h> @@ -40,6 +40,7 @@ /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * iset = type de jeu d'instructions courant à faire suivre. * @@ -52,7 +53,7 @@ * * ******************************************************************************/ -void handle_links_with_instruction_b_with_orig(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) +void help_fetching_with_instruction_b_with_orig(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ @@ -106,6 +107,7 @@ void handle_links_with_instruction_b_with_orig(GArchInstruction *instr, GArmV7Co /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * iset = type de jeu d'instructions courant à faire suivre. * @@ -118,7 +120,7 @@ void handle_links_with_instruction_b_with_orig(GArchInstruction *instr, GArmV7Co * * ******************************************************************************/ -void handle_links_with_instruction_bl_with_orig(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) +void help_fetching_with_instruction_bl_with_orig(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ @@ -163,6 +165,7 @@ void handle_links_with_instruction_bl_with_orig(GArchInstruction *instr, GArmV7C /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * iset = type de jeu d'instructions courant à inverser. * @@ -175,7 +178,7 @@ void handle_links_with_instruction_bl_with_orig(GArchInstruction *instr, GArmV7C * * ******************************************************************************/ -void handle_links_with_instruction_blx_with_dest(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) +void help_fetching_with_instruction_blx_with_dest(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ @@ -221,6 +224,7 @@ void handle_links_with_instruction_blx_with_dest(GArchInstruction *instr, GArmV7 /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * iset = type de jeu d'instructions courant à faire suivre. * @@ -233,7 +237,7 @@ void handle_links_with_instruction_blx_with_dest(GArchInstruction *instr, GArmV7 * * ******************************************************************************/ -void handle_links_with_instruction_bx_with_orig(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) +void help_fetching_with_instruction_bx_with_orig(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) { GArchOperand *op; /* Opérande numérique en place */ GArmRegister *reg; /* Registre matériel manipulé */ @@ -283,6 +287,7 @@ void handle_links_with_instruction_bx_with_orig(GArchInstruction *instr, GArmV7C /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * * @@ -294,7 +299,7 @@ void handle_links_with_instruction_bx_with_orig(GArchInstruction *instr, GArmV7C * * ******************************************************************************/ -void handle_links_with_instruction_cb_n_z(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format) +void help_fetching_with_instruction_cb_n_z(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ @@ -334,6 +339,7 @@ void handle_links_with_instruction_cb_n_z(GArchInstruction *instr, GArmV7Context /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = acès aux données du binaire d'origine. * * iset = type de jeu d'instructions courant à inverser. * @@ -346,7 +352,7 @@ void handle_links_with_instruction_cb_n_z(GArchInstruction *instr, GArmV7Context * * ******************************************************************************/ -void handle_links_with_instruction_ldr_literal_with_orig(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) +void help_fetching_with_instruction_ldr_literal_with_orig(GArchInstruction *instr, GArchProcessor *proc, GArmV7Context *context, GBinFormat *format, ArmV7InstrSet iset) { const mrange_t *range; /* Emplacementt d'instruction */ phys_t phys_pc; /* Position dans l'exécution */ diff --git a/src/arch/arm/v7/fetch.h b/src/arch/arm/v7/fetch.h new file mode 100644 index 0000000..af42f2e --- /dev/null +++ b/src/arch/arm/v7/fetch.h @@ -0,0 +1,113 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * fetch.h - prototypes pour l'édition des liens durant 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_FETCH_H +#define _ARCH_ARM_V7_FETCH_H + + +#include "context.h" +#include "../../instruction.h" +#include "../../../format/format.h" + + + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_b_with_orig(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); + + +static inline void help_fetching_with_instruction_b_from_arm(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_b_with_orig(ins, proc, ctx, fmt, AV7IS_ARM); +} + +static inline void help_fetching_with_instruction_b_from_thumb(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_b_with_orig(ins, proc, ctx, fmt, AV7IS_THUMB); +} + + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_bl_with_orig(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); + + +static inline void help_fetching_with_instruction_bl_from_arm(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_bl_with_orig(ins, proc, ctx, fmt, AV7IS_ARM); +} + +static inline void help_fetching_with_instruction_bl_from_thumb(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_bl_with_orig(ins, proc, ctx, fmt, AV7IS_THUMB); +} + + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_blx_with_dest(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); + + +static inline void help_fetching_with_instruction_blx_from_arm(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_blx_with_dest(ins, proc, ctx, fmt, AV7IS_THUMB); +} + +static inline void help_fetching_with_instruction_blx_from_thumb(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_blx_with_dest(ins, proc, ctx, fmt, AV7IS_ARM); +} + + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_bx_with_orig(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); + + +static inline void help_fetching_with_instruction_bx_from_arm(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_bx_with_orig(ins, proc, ctx, fmt, AV7IS_ARM); +} + +static inline void help_fetching_with_instruction_bx_from_thumb(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_bx_with_orig(ins, proc, ctx, fmt, AV7IS_THUMB); +} + + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_cb_n_z(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *); + +/* Complète un désassemblage accompli pour une instruction. */ +void help_fetching_with_instruction_ldr_literal_with_orig(GArchInstruction *, GArchProcessor *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); + + +static inline void help_fetching_with_instruction_ldr_literal_from_arm(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_ldr_literal_with_orig(ins, proc, ctx, fmt, AV7IS_ARM); +} + +static inline void help_fetching_with_instruction_ldr_literal_from_thumb(GArchInstruction *ins, GArchProcessor *proc, GArmV7Context *ctx, GBinFormat *fmt) +{ + help_fetching_with_instruction_ldr_literal_with_orig(ins, proc, ctx, fmt, AV7IS_THUMB); +} + + + +#endif /* _ARCH_ARM_V7_FETCH_H */ diff --git a/src/arch/arm/v7/link.h b/src/arch/arm/v7/link.h deleted file mode 100644 index 9e52fe6..0000000 --- a/src/arch/arm/v7/link.h +++ /dev/null @@ -1,113 +0,0 @@ - -/* Chrysalide - Outil d'analyse de fichiers binaires - * link.h - prototypes pour l'édition des liens durant 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_LINK_H -#define _ARCH_ARM_V7_LINK_H - - -#include "context.h" -#include "../../instruction.h" -#include "../../../format/format.h" - - - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_b_with_orig(GArchInstruction *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); - - -static inline void handle_links_with_instruction_b_from_arm(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_b_with_orig(ins, ctx, fmt, AV7IS_ARM); -} - -static inline void handle_links_with_instruction_b_from_thumb(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_b_with_orig(ins, ctx, fmt, AV7IS_THUMB); -} - - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_bl_with_orig(GArchInstruction *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); - - -static inline void handle_links_with_instruction_bl_from_arm(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_bl_with_orig(ins, ctx, fmt, AV7IS_ARM); -} - -static inline void handle_links_with_instruction_bl_from_thumb(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_bl_with_orig(ins, ctx, fmt, AV7IS_THUMB); -} - - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_blx_with_dest(GArchInstruction *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); - - -static inline void handle_links_with_instruction_blx_from_arm(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_blx_with_dest(ins, ctx, fmt, AV7IS_THUMB); -} - -static inline void handle_links_with_instruction_blx_from_thumb(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_blx_with_dest(ins, ctx, fmt, AV7IS_ARM); -} - - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_bx_with_orig(GArchInstruction *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); - - -static inline void handle_links_with_instruction_bx_from_arm(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_bx_with_orig(ins, ctx, fmt, AV7IS_ARM); -} - -static inline void handle_links_with_instruction_bx_from_thumb(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_bx_with_orig(ins, ctx, fmt, AV7IS_THUMB); -} - - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_cb_n_z(GArchInstruction *, GArmV7Context *, GBinFormat *); - -/* Complète un désassemblage accompli pour une instruction. */ -void handle_links_with_instruction_ldr_literal_with_orig(GArchInstruction *, GArmV7Context *, GBinFormat *, ArmV7InstrSet); - - -static inline void handle_links_with_instruction_ldr_literal_from_arm(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_ldr_literal_with_orig(ins, ctx, fmt, AV7IS_ARM); -} - -static inline void handle_links_with_instruction_ldr_literal_from_thumb(GArchInstruction *ins, GArmV7Context *ctx, GBinFormat *fmt) -{ - handle_links_with_instruction_ldr_literal_with_orig(ins, ctx, fmt, AV7IS_THUMB); -} - - - -#endif /* _ARCH_ARM_V7_LINK_H */ diff --git a/src/arch/arm/v7/opdefs/Makefile.am b/src/arch/arm/v7/opdefs/Makefile.am index 318e20b..b95b588 100644 --- a/src/arch/arm/v7/opdefs/Makefile.am +++ b/src/arch/arm/v7/opdefs/Makefile.am @@ -106,7 +106,7 @@ fmk.done: $(ARMV7_DEFS) fix_includes_in_c_templates: @for f in `find .gen/ -name '*tmpl.c'`; do \ if grep -q '##INCLUDES##' $$f; then \ - $(fix_verbose)sed -i 's/##INCLUDES##/\n#include "..\/helpers.h"\n#include "..\/instruction.h"\n#include "..\/link.h"\n#include "..\/post.h"\n#include "..\/..\/instruction.h"\n#include "..\/..\/..\/..\/common\/bconst.h"\n\n/' $$f; \ + $(fix_verbose)sed -i 's/##INCLUDES##/\n#include "..\/helpers.h"\n#include "..\/instruction.h"\n#include "..\/fetch.h"\n#include "..\/post.h"\n#include "..\/..\/instruction.h"\n#include "..\/..\/..\/link.h"\n#include "..\/..\/..\/..\/common\/bconst.h"\n\n/' $$f; \ fi; \ done diff --git a/src/arch/arm/v7/opdefs/b_A8818.d b/src/arch/arm/v7/opdefs/b_A8818.d index 50bdda9..a275177 100644 --- a/src/arch/arm/v7/opdefs/b_A8818.d +++ b/src/arch/arm/v7/opdefs/b_A8818.d @@ -38,7 +38,8 @@ @hooks { - link = handle_links_with_instruction_b_from_thumb + fetch = help_fetching_with_instruction_b_from_thumb + link = handle_branch_if_true_as_link post = post_process_branch_instructions } @@ -47,7 +48,7 @@ //if cond == '1110' then UNDEFINED; //if cond == '1111' then SEE SVC; - chk_call DefineAsReturn(1) + //chk_call DefineAsReturn(1) } @@ -67,7 +68,8 @@ @hooks { - link = handle_links_with_instruction_b_from_thumb + fetch = help_fetching_with_instruction_b_from_thumb + link = handle_branch_if_true_as_link post = post_process_branch_instructions } @@ -75,7 +77,7 @@ @rules { //if InITBlock() && !LastInITBlock() then UNPREDICTABLE; - chk_call DefineAsReturn(1) + //chk_call DefineAsReturn(1) } @@ -96,7 +98,8 @@ @hooks { - link = handle_links_with_instruction_b_from_thumb + fetch = help_fetching_with_instruction_b_from_thumb + link = handle_branch_if_true_as_link post = post_process_branch_instructions } @@ -105,7 +108,7 @@ //if cond<3:1> == '111' then SEE "Related encodings"; //if InITBlock() then UNPREDICTABLE; - chk_call DefineAsReturn(1) + //chk_call DefineAsReturn(1) } @@ -127,7 +130,8 @@ @hooks { - link = handle_links_with_instruction_b_from_thumb + fetch = help_fetching_with_instruction_b_from_thumb + link = handle_branch_if_true_as_link post = post_process_branch_instructions } @@ -135,7 +139,7 @@ @rules { //if InITBlock() && !LastInITBlock() then UNPREDICTABLE; - chk_call DefineAsReturn(1) + //chk_call DefineAsReturn(1) } @@ -156,14 +160,15 @@ @hooks { - link = handle_links_with_instruction_b_from_arm + fetch = help_fetching_with_instruction_b_from_arm + link = handle_branch_if_true_as_link post = post_process_branch_instructions } @rules { - chk_call DefineAsReturn(1) + //chk_call DefineAsReturn(1) } diff --git a/src/arch/arm/v7/opdefs/bl_A8825.d b/src/arch/arm/v7/opdefs/bl_A8825.d index 63922dd..62ac8f9 100644 --- a/src/arch/arm/v7/opdefs/bl_A8825.d +++ b/src/arch/arm/v7/opdefs/bl_A8825.d @@ -39,7 +39,7 @@ @hooks { - link = handle_links_with_instruction_bl_from_thumb + fetch = help_fetching_with_instruction_bl_from_thumb post = post_process_branch_and_link_instructions } @@ -68,7 +68,7 @@ @hooks { - link = handle_links_with_instruction_blx_from_thumb + fetch = help_fetching_with_instruction_blx_from_thumb post = post_process_branch_and_link_instructions } @@ -95,7 +95,7 @@ @hooks { - link = handle_links_with_instruction_bl_from_arm + fetch = help_fetching_with_instruction_bl_from_arm post = post_process_branch_and_link_instructions } @@ -122,7 +122,7 @@ @hooks { - link = handle_links_with_instruction_blx_from_arm + fetch = help_fetching_with_instruction_blx_from_arm post = post_process_branch_and_link_instructions } diff --git a/src/arch/arm/v7/opdefs/bx_A8827.d b/src/arch/arm/v7/opdefs/bx_A8827.d index 4856885..f8027a4 100644 --- a/src/arch/arm/v7/opdefs/bx_A8827.d +++ b/src/arch/arm/v7/opdefs/bx_A8827.d @@ -38,7 +38,7 @@ @hooks { - link = handle_links_with_instruction_bx_from_thumb + fetch = help_fetching_with_instruction_bx_from_thumb } @@ -65,7 +65,7 @@ @hooks { - link = handle_links_with_instruction_bx_from_thumb + fetch = help_fetching_with_instruction_bx_from_thumb } diff --git a/src/arch/arm/v7/opdefs/cbnz_A8829.d b/src/arch/arm/v7/opdefs/cbnz_A8829.d index 93a8d1f..d9815c1 100644 --- a/src/arch/arm/v7/opdefs/cbnz_A8829.d +++ b/src/arch/arm/v7/opdefs/cbnz_A8829.d @@ -38,7 +38,7 @@ @hooks { - link = handle_links_with_instruction_cb_n_z + fetch = help_fetching_with_instruction_cb_n_z post = post_process_comp_and_branch_instructions } @@ -60,7 +60,7 @@ @hooks { - link = handle_links_with_instruction_cb_n_z + fetch = help_fetching_with_instruction_cb_n_z post = post_process_comp_and_branch_instructions } diff --git a/src/arch/arm/v7/opdefs/ldr_A8864.d b/src/arch/arm/v7/opdefs/ldr_A8864.d index c5b0dd0..4cf0048 100644 --- a/src/arch/arm/v7/opdefs/ldr_A8864.d +++ b/src/arch/arm/v7/opdefs/ldr_A8864.d @@ -39,7 +39,7 @@ @hooks { - link = handle_links_with_instruction_ldr_literal_from_thumb + fetch = help_fetching_with_instruction_ldr_literal_from_thumb post = post_process_ldr_instructions } @@ -62,7 +62,7 @@ @hooks { - link = handle_links_with_instruction_ldr_literal_from_thumb + fetch = help_fetching_with_instruction_ldr_literal_from_thumb post = post_process_ldr_instructions } @@ -93,7 +93,7 @@ @hooks { - link = handle_links_with_instruction_ldr_literal_from_arm + fetch = help_fetching_with_instruction_ldr_literal_from_arm post = post_process_ldr_instructions } diff --git a/src/arch/arm/v7/opdefs/pop_A88131.d b/src/arch/arm/v7/opdefs/pop_A88131.d index 2663e1b..ef5ab25 100644 --- a/src/arch/arm/v7/opdefs/pop_A88131.d +++ b/src/arch/arm/v7/opdefs/pop_A88131.d @@ -39,6 +39,7 @@ //if BitCount(registers) < 1 then UNPREDICTABLE; //if registers<15> == '1' && InITBlock() && !LastInITBlock() then UNPREDICTABLE; + chk_call DefineAsReturn(1) } @@ -60,6 +61,7 @@ //if BitCount(registers) < 2 || (P == '1' && M == '1') then UNPREDICTABLE; //if registers<15> == '1' && InITBlock() && !LastInITBlock() then UNPREDICTABLE; + chk_call DefineAsReturn(1) } @@ -81,6 +83,7 @@ @rules { //if t == 13 || (t == 15 && InITBlock() && !LastInITBlock()) then UNPREDICTABLE; + chk_call DefineAsReturn(1) } diff --git a/src/arch/arm/v7/opdefs/pop_A88132.d b/src/arch/arm/v7/opdefs/pop_A88132.d index 0c6c1b0..89c51c9 100644 --- a/src/arch/arm/v7/opdefs/pop_A88132.d +++ b/src/arch/arm/v7/opdefs/pop_A88132.d @@ -40,6 +40,7 @@ //if BitCount(register_list) < 2 then SEE LDM / LDMIA / LDMFD; //if registers<13> == '1' && ArchVersion() >= 7 then UNPREDICTABLE; + chk_call DefineAsReturn(1) } @@ -62,6 +63,7 @@ @rules { //if t == 13 then UNPREDICTABLE; + chk_call DefineAsReturn(1) } diff --git a/src/arch/arm/v7/post.c b/src/arch/arm/v7/post.c index e6a6c2e..23d0198 100644 --- a/src/arch/arm/v7/post.c +++ b/src/arch/arm/v7/post.c @@ -34,6 +34,7 @@ /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = accès aux données du binaire d'origine. * * * @@ -45,7 +46,7 @@ * * ******************************************************************************/ -void post_process_branch_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void post_process_branch_instructions(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) { GArchOperand *op; /* Opérande numérique en place */ uint32_t addr; /* Adresse visée par le saut */ @@ -97,6 +98,7 @@ void post_process_branch_instructions(GArchInstruction *instr, GProcContext *con /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = accès aux données du binaire d'origine. * * * @@ -108,7 +110,7 @@ void post_process_branch_instructions(GArchInstruction *instr, GProcContext *con * * ******************************************************************************/ -void post_process_branch_and_link_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void post_process_branch_and_link_instructions(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) { GArchOperand *op; /* Opérande numérique en place */ uint32_t addr; /* Adresse visée par le saut */ @@ -160,6 +162,7 @@ void post_process_branch_and_link_instructions(GArchInstruction *instr, GProcCon /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = accès aux données du binaire d'origine. * * * @@ -171,7 +174,7 @@ void post_process_branch_and_link_instructions(GArchInstruction *instr, GProcCon * * ******************************************************************************/ -void post_process_comp_and_branch_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void post_process_comp_and_branch_instructions(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) { GArchOperand *op; /* Opérande numérique en place */ uint32_t addr; /* Adresse visée par le saut */ @@ -223,6 +226,7 @@ void post_process_comp_and_branch_instructions(GArchInstruction *instr, GProcCon /****************************************************************************** * * * Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = accès aux données du binaire d'origine. * * * @@ -234,7 +238,7 @@ void post_process_comp_and_branch_instructions(GArchInstruction *instr, GProcCon * * ******************************************************************************/ -void post_process_ldr_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void post_process_ldr_instructions(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) { GArchOperand *op; /* Opérande numérique en place */ uint32_t addr; /* Adresse visée par le saut */ diff --git a/src/arch/arm/v7/post.h b/src/arch/arm/v7/post.h index 79dcaa8..6165597 100644 --- a/src/arch/arm/v7/post.h +++ b/src/arch/arm/v7/post.h @@ -31,16 +31,16 @@ /* Complète un désassemblage accompli pour une instruction. */ -void post_process_branch_instructions(GArchInstruction *, GProcContext *, GBinFormat *); +void post_process_branch_instructions(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); /* Complète un désassemblage accompli pour une instruction. */ -void post_process_branch_and_link_instructions(GArchInstruction *, GProcContext *, GBinFormat *); +void post_process_branch_and_link_instructions(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); /* Complète un désassemblage accompli pour une instruction. */ -void post_process_comp_and_branch_instructions(GArchInstruction *, GProcContext *, GBinFormat *); +void post_process_comp_and_branch_instructions(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); /* Complète un désassemblage accompli pour une instruction. */ -void post_process_ldr_instructions(GArchInstruction *, GProcContext *, GBinFormat *); +void post_process_ldr_instructions(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); diff --git a/src/arch/instruction.c b/src/arch/instruction.c index 0bcc739..08256d1 100644 --- a/src/arch/instruction.c +++ b/src/arch/instruction.c @@ -234,6 +234,7 @@ void g_arch_instruction_set_hook(GArchInstruction *instr, InstrProcessHook type, * * * Paramètres : instr = instruction quelconque à traiter. * * type = type de procédure à utiliser. * +* proc = représentation de l'architecture utilisée. * * context = contexte associé à la phase de désassemblage. * * format = accès aux données du binaire d'origine. * * * @@ -245,12 +246,15 @@ void g_arch_instruction_set_hook(GArchInstruction *instr, InstrProcessHook type, * * ******************************************************************************/ -void g_arch_instruction_call_hook(GArchInstruction *instr, InstrProcessHook type, GProcContext *context, GBinFormat *format) +void g_arch_instruction_call_hook(GArchInstruction *instr, InstrProcessHook type, GArchProcessor *proc, GProcContext *context, GBinFormat *format) { + if (instr->range.addr.virtual == 0x83c2) + printf(" [%u] HAS BRANCH ? %p\n", (unsigned int)type, instr->hooks[type]); + assert(type < IPH_COUNT); if (instr->hooks[type] != NULL) - instr->hooks[type](instr, context, format); + instr->hooks[type](instr, proc, context, format); } diff --git a/src/arch/instruction.h b/src/arch/instruction.h index 9251a34..0198bb5 100644 --- a/src/arch/instruction.h +++ b/src/arch/instruction.h @@ -76,22 +76,29 @@ void g_arch_instruction_set_flag(GArchInstruction *, ArchInstrFlag); /* Fournit les informations complémentaires d'une instruction. */ ArchInstrFlag g_arch_instruction_get_flags(const GArchInstruction *); + /** * La définition de "GBinFormat", utile aux traitements complémentaires, ne peut * se faire en incluant le fichier d'en-tête "../format/format.h", pour cause * de références circulaires. * * On procède donc à une seconde déclaration, en attendant éventuellement mieux. + * + * Pareil pour "GArchProcessor", définie dans le fichier "processor.h", lequel + * inclut directement ce fichier. */ - /* Format binaire générique (instance) */ typedef struct _GBinFormat GBinFormat; +/* Ligne de représentation générique (instance) */ +typedef struct _GArchProcessor GArchProcessor; + /* Types de crochet de traitement */ typedef enum _InstrProcessHook { + IPH_FETCH, /* Itinéraire de désassemblage */ IPH_LINK, /* Edition des liens */ IPH_POST, /* Résolution des symboles */ @@ -100,13 +107,13 @@ typedef enum _InstrProcessHook } InstrProcessHook; /* Complète un désassemblage accompli pour une instruction. */ -typedef void (* instr_hook_fc) (GArchInstruction *, GProcContext *, GBinFormat *); +typedef void (* instr_hook_fc) (GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); /* Définit un traitement complémentare au désassemblage. */ void g_arch_instruction_set_hook(GArchInstruction *, InstrProcessHook, instr_hook_fc); /* Complète un désassemblage accompli pour une instruction. */ -void g_arch_instruction_call_hook(GArchInstruction *, InstrProcessHook, GProcContext *, GBinFormat *); +void g_arch_instruction_call_hook(GArchInstruction *, InstrProcessHook, GArchProcessor *, GProcContext *, GBinFormat *); /* Définit la localisation d'une instruction. */ void g_arch_instruction_set_range(GArchInstruction *, const mrange_t *); @@ -155,7 +162,8 @@ typedef enum _InstructionLinkType ILT_JUMP_IF_FALSE, /* Saut conditionnel (si faux) */ ILT_LOOP, /* Retour en arrière (boucle) */ ILT_CALL, /* Appel d'une fonction */ - ILT_CATCH_EXCEPTION /* Gestion d'une exception */ + ILT_CATCH_EXCEPTION, /* Gestion d'une exception */ + ILT_REF /* Simple référence croisée */ } InstructionLinkType; diff --git a/src/arch/link.c b/src/arch/link.c new file mode 100644 index 0000000..bc80e39 --- /dev/null +++ b/src/arch/link.c @@ -0,0 +1,190 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * link.c - édition des liens après 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 "link.h" + + +#include <assert.h> + + +#include "target.h" + + + +/****************************************************************************** +* * +* Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * +* context = contexte associé à la phase de désassemblage. * +* format = acès aux données du binaire d'origine. * +* * +* Description : Etablit un lien de saut selon une instruction donnée. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void handle_jump_as_link(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) +{ + GArchOperand *op; /* Opérande numérique en place */ + virt_t virt; /* Adresse virtuelle */ + vmpa2t addr; /* Adresse de destination */ + GArchInstruction *target; /* Ligne visée par la référence*/ + + assert(g_arch_instruction_count_operands(instr) > 0); + + op = g_arch_instruction_get_operand(instr, 0); + + if (!G_IS_IMM_OPERAND(op)) return; + + if (g_imm_operand_to_virt_t(G_IMM_OPERAND(op), &virt)) + { + init_vmpa(&addr, VMPA_NO_PHYSICAL, virt); + + target = g_arch_processor_find_instr_by_address(proc, &addr); + + if (target != NULL) + g_arch_instruction_link_with(instr, target, ILT_JUMP); + + } + +} + + +/****************************************************************************** +* * +* Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * +* context = contexte associé à la phase de désassemblage. * +* format = acès aux données du binaire d'origine. * +* * +* Description : Etablit un lien d'appel selon une instruction donnée. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ +#include "instruction-int.h" +void handle_branch_if_true_as_link(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) +{ + GArchOperand *op; /* Opérande numérique en place */ + virt_t virt; /* Adresse virtuelle */ + vmpa2t addr; /* Adresse de destination */ + GArchInstruction *target; /* Ligne visée par la référence*/ + GArchInstruction *list; /* Ensemble des instructions */ + + assert(g_arch_instruction_count_operands(instr) > 0); + + op = g_arch_instruction_get_operand(instr, 0); + + virt = VMPA_NO_VIRTUAL; + + if (G_IS_TARGET_OPERAND(op)) + virt = g_target_operand_get_addr(G_TARGET_OPERAND(op)); + + else if (G_IS_IMM_OPERAND(op)) + { + if (!g_imm_operand_to_virt_t(G_IMM_OPERAND(op), &virt)) + virt = VMPA_NO_VIRTUAL; + } + + if (virt != VMPA_NO_VIRTUAL) + { + /* TODO : utiliser format pour contruire une adresse avec une position physique, + * ce qui accélèrerait les recherches. + */ + init_vmpa(&addr, VMPA_NO_PHYSICAL, virt); + + target = g_arch_processor_find_instr_by_address(proc, &addr); + + printf(" @ 0x%08x BRANCH to 0x%08x -->> %p\n", + (unsigned int)instr->range.addr.virtual, (unsigned int)virt, target); + + if (target != NULL) + { + g_arch_instruction_link_with(instr, target, ILT_JUMP_IF_TRUE); + + list = g_arch_processor_get_disassembled_instructions(proc); + + target = g_arch_instruction_get_next_iter(list, instr, ~0); + + if (target != NULL) + g_arch_instruction_link_with(instr, target, ILT_JUMP_IF_FALSE); + + } + + } + + + else printf(" @ 0x%08x FAILED TO BRANCH\n", + (unsigned int)instr->range.addr.virtual); + + + + +} + + +/****************************************************************************** +* * +* Paramètres : instr = instruction ARMv7 à traiter. * +* proc = représentation de l'architecture utilisée. * +* context = contexte associé à la phase de désassemblage. * +* format = acès aux données du binaire d'origine. * +* * +* Description : Etablit un lien d'appel selon une instruction donnée. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void handle_call_as_link(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) +{ + GArchOperand *op; /* Opérande numérique en place */ + virt_t virt; /* Adresse virtuelle */ + vmpa2t addr; /* Adresse de destination */ + GArchInstruction *target; /* Ligne visée par la référence*/ + + assert(g_arch_instruction_count_operands(instr) > 0); + + op = g_arch_instruction_get_operand(instr, 0); + + if (!G_IS_IMM_OPERAND(op)) return; + + if (g_imm_operand_to_virt_t(G_IMM_OPERAND(op), &virt)) + { + init_vmpa(&addr, VMPA_NO_PHYSICAL, virt); + + target = g_arch_processor_find_instr_by_address(proc, &addr); + + if (target != NULL) + g_arch_instruction_link_with(instr, target, ILT_CALL); + + } + +} diff --git a/src/arch/link.h b/src/arch/link.h new file mode 100644 index 0000000..1923e0b --- /dev/null +++ b/src/arch/link.h @@ -0,0 +1,45 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * link.h - prototypes pour l'édition des liens après la phase de désassemblage + * + * Copyright (C) 2015 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_LINK_H +#define _ARCH_LINK_H + + +#include "instruction.h" +#include "processor.h" +#include "../format/format.h" + + + +/* Etablit un lien de saut selon une instruction donnée. */ +void handle_jump_as_link(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); + +/* Etablit un lien d'appel selon une instruction donnée. */ +void handle_branch_if_true_as_link(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); + +/* Etablit un lien d'appel selon une instruction donnée. */ +void handle_call_as_link(GArchInstruction *, GArchProcessor *, GProcContext *, GBinFormat *); + + + +#endif /* _ARCH_LINK_H */ diff --git a/src/arch/processor-int.h b/src/arch/processor-int.h index 2b91b36..d387bde 100644 --- a/src/arch/processor-int.h +++ b/src/arch/processor-int.h @@ -43,6 +43,9 @@ +/* Taille des pré-allocations pour les instructions */ +#define INSTR_ALLOC_BLOCK 100 + /* Fournit un contexte propre au processeur d'une architecture. */ @@ -70,6 +73,10 @@ struct _GArchProcessor get_processor_context_fc get_ctx; /* Obtention d'un contexte #1 */ get_decomp_context_fc get_dec_ctx; /* Obtention d'un contexte #2 */ + GArchInstruction **instructions; /* Instructions désassemblées */ + size_t instr_allocated; /* Taille de la liste allouée */ + size_t instr_count; /* Taille de la liste aplatie */ + }; diff --git a/src/arch/processor.c b/src/arch/processor.c index 0b33552..c2d190b 100644 --- a/src/arch/processor.c +++ b/src/arch/processor.c @@ -24,12 +24,16 @@ #include "processor.h" +#include <malloc.h> +#include <stdlib.h> + #include "instruction-int.h" #include "processor-int.h" +#include "raw.h" @@ -294,3 +298,146 @@ GArchInstruction *g_arch_processor_disassemble(const GArchProcessor *proc, GProc return result; } + + + +/* ---------------------------------------------------------------------------------- */ +/* MANIPULATIONS DES INSTRUCTIONS DESASSEMBLEES */ +/* ---------------------------------------------------------------------------------- */ + + +/****************************************************************************** +* * +* Paramètres : proc = architecture visée par la procédure. * +* list = liste des instructions désassemblées. * +* * +* Description : Note les instructions désassemblées avec une architecture. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void g_arch_processor_set_disassembled_instructions(GArchProcessor *proc, GArchInstruction *list) +{ + GArchInstruction *iter; /* Boucle de parcours */ + + ainstr_list_for_each(iter, list) + { + /* Mise à disposition de d'avantage d'espace */ + if (proc->instr_allocated == proc->instr_count) + { + proc->instr_allocated += INSTR_ALLOC_BLOCK; + + proc->instructions = (GArchInstruction **)realloc(proc->instructions, + proc->instr_allocated * sizeof(GArchInstruction *)); + + } + + proc->instructions[proc->instr_count++] = iter; + + } + +} + + +/****************************************************************************** +* * +* Paramètres : proc = architecture visée par la procédure. * +* * +* Description : Fournit les instructions désassemblées pour une architecture.* +* * +* Retour : Liste des instructions désassemblées ou NULL si aucune. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchInstruction *g_arch_processor_get_disassembled_instructions(const GArchProcessor *proc) +{ + return (proc->instr_count > 0 ? proc->instructions[0] : NULL); + +} + + + + + + +/****************************************************************************** +* * +* Paramètres : proc = processeur recensant diverses instructions. * +* addr = position en mémoire ou physique à chercher. * +* * +* Description : Recherche une instruction d'après son adresse. * +* * +* Retour : Instruction trouvée à l'adresse donnée, NULL si aucune. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchInstruction *g_arch_processor_find_instr_by_address(const GArchProcessor *proc, const vmpa2t *addr) +{ + GArchInstruction *result; /* Trouvaille à retourner */ + GArchInstruction *fake; /* Coquille vide à comparer */ + void *ptr; /* Résultat des recherches */ + size_t i; /* Boucle de parcours */ + const mrange_t *range; /* Emplacement d'instruction */ + + if (has_phys_addr(addr)) + { + fake = g_raw_instruction_new_from_value(addr, MDS_8_BITS_UNSIGNED, 0); + + int search_for_instr_by_addr(const GArchInstruction **a, const GArchInstruction **b) + { + const mrange_t *range_a; /* Emplacement pour l'instr. A */ + const mrange_t *range_b; /* Emplacement pour l'instr. B */ + + range_a = g_arch_instruction_get_range(*a); + range_b = g_arch_instruction_get_range(*b); + + /* + printf(" -- cmp -- 0x%08x vs 0x%08x => %d\n", + (unsigned int)range_a->addr.virtual, + (unsigned int)range_b->addr.virtual, + cmp_vmpa(get_mrange_addr(range_a), get_mrange_addr(range_b))); + */ + + return cmp_vmpa(get_mrange_addr(range_a), get_mrange_addr(range_b)); + + } + + ptr = bsearch(&fake, proc->instructions, proc->instr_count, + sizeof(GArchInstruction *), (__compar_fn_t)search_for_instr_by_addr); + + g_object_unref(G_OBJECT(fake)); + + result = (ptr != NULL ? *((GArchInstruction **)ptr) : NULL); + + } + + else + { + result = NULL; + + for (i = 0; i < proc->instr_count && result == NULL; i++) + { + range = g_arch_instruction_get_range(proc->instructions[i]); + + if (cmp_vmpa(addr, get_mrange_addr(range)) == 0) + result = proc->instructions[i]; + + } + + /* + for (i = 0; i < proc->instr_count; i++) + printf(" # %04zu 0x%08x\n", i, proc->instructions[i]->range.addr.virtual); + */ + + } + + return result; + +} diff --git a/src/arch/processor.h b/src/arch/processor.h index 725307f..3eeefd5 100644 --- a/src/arch/processor.h +++ b/src/arch/processor.h @@ -78,4 +78,20 @@ GArchInstruction *g_arch_processor_disassemble(const GArchProcessor *, GProcCont +/* ------------------ MANIPULATIONS DES INSTRUCTIONS DESASSEMBLEES ------------------ */ + + +/* Note les instructions désassemblées avec une architecture. */ +void g_arch_processor_set_disassembled_instructions(GArchProcessor *, GArchInstruction *); + +/* Fournit les instructions désassemblées pour une architecture. */ +GArchInstruction *g_arch_processor_get_disassembled_instructions(const GArchProcessor *); + + + +/* Recherche une instruction d'après son adresse. */ +GArchInstruction *g_arch_processor_find_instr_by_address(const GArchProcessor *, const vmpa2t *); + + + #endif /* _ARCH_PROCESSOR_H */ |