diff options
| author | Cyrille Bagard <nocbos@gmail.com> | 2015-01-09 22:30:16 (GMT) |
|---|---|---|
| committer | Cyrille Bagard <nocbos@gmail.com> | 2015-01-09 22:30:16 (GMT) |
| commit | cc3e31eecd90766ae4f0bb391428c5c59567ef4c (patch) | |
| tree | e442bbaf401855f7bac411ac45e3545aa96ba661 /src/arch/arm/v7/link.c | |
| parent | 50a4c165df49b04fe55278d5dcfa6b56d3cc1125 (diff) | |
Chosen the right encoding to use when disassembling ARM binary.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@452 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/arm/v7/link.c')
| -rw-r--r-- | src/arch/arm/v7/link.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/arch/arm/v7/link.c b/src/arch/arm/v7/link.c index 65ae09e..69b43bc 100644 --- a/src/arch/arm/v7/link.c +++ b/src/arch/arm/v7/link.c @@ -27,6 +27,9 @@ #include <assert.h> +#include "context.h" + + /****************************************************************************** * * @@ -42,12 +45,14 @@ * * ******************************************************************************/ -void handle_links_with_thumb_instruction_bl(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void handle_links_with_thumb_instruction_bl(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ GArchOperand *op; /* Opérande numérique en place */ int32_t offset; /* Décallage encodé en dur */ + virt_t target; /* Adresse virtuelle visée */ + ArmV7InstrSet iset; /* Type de jeu courant */ range = g_arch_instruction_get_range(instr); @@ -70,6 +75,11 @@ void handle_links_with_thumb_instruction_bl(GArchInstruction *instr, GProcContex //printf("[@ 0x%08x] Add 0x%08x to %p\n", (uint32_t)get_virt_addr(get_mrange_addr(range)), (uint32_t)(pc + offset), context); + target = pc + offset; + iset = g_armv7_context_find_encoding(context, get_virt_addr(get_mrange_addr(range))); + + g_armv7_context_define_encoding(context, target, iset); + } @@ -87,12 +97,14 @@ void handle_links_with_thumb_instruction_bl(GArchInstruction *instr, GProcContex * * ******************************************************************************/ -void handle_links_with_thumb_instruction_blx(GArchInstruction *instr, GProcContext *context, GBinFormat *format) +void handle_links_with_thumb_instruction_blx(GArchInstruction *instr, GArmV7Context *context, GBinFormat *format) { const mrange_t *range; /* Emplacementt d'instruction */ virt_t pc; /* Position dans l'exécution */ GArchOperand *op; /* Opérande numérique en place */ int32_t offset; /* Décallage encodé en dur */ + virt_t target; /* Adresse virtuelle visée */ + ArmV7InstrSet iset; /* Type de jeu courant */ range = g_arch_instruction_get_range(instr); @@ -116,5 +128,16 @@ void handle_links_with_thumb_instruction_blx(GArchInstruction *instr, GProcConte //printf("[@ 0x%08x] Add 0x%08x to %p\n", (uint32_t)get_virt_addr(get_mrange_addr(range)), (uint32_t)(pc + offset), context); + target = pc + offset; + iset = g_armv7_context_find_encoding(context, get_virt_addr(get_mrange_addr(range))); + + printf(" --link-- @ 0x%08x iset = %u\n", (unsigned int)target, (unsigned int)iset); + + if (iset == AV7IS_ARM) + g_armv7_context_define_encoding(context, target, AV7IS_THUMB); + else + g_armv7_context_define_encoding(context, target, AV7IS_ARM); + + } |