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authorCyrille Bagard <nocbos@gmail.com>2014-12-25 16:31:33 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2014-12-25 16:31:33 (GMT)
commit19e1a97fafb1b73d0efcd995b31951daf1a5c661 (patch)
tree9cbc897ddb1d3005fb8dadfa3ad830c607acdddd /src/arch/arm/v7/post.c
parent9cab778bfaaca2589a383445e8569d99d73374d5 (diff)
Cleaned all the code for immediate operands.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@444 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/arm/v7/post.c')
-rw-r--r--src/arch/arm/v7/post.c175
1 files changed, 25 insertions, 150 deletions
diff --git a/src/arch/arm/v7/post.c b/src/arch/arm/v7/post.c
index 8ba12d8..f85fc91 100644
--- a/src/arch/arm/v7/post.c
+++ b/src/arch/arm/v7/post.c
@@ -24,19 +24,15 @@
#include "post.h"
-
-
-
#include "../../target.h"
-
-
/******************************************************************************
* *
-* Paramètres : instr = instruction ARMv7 à traiter. *
-* format = acès aux données du binaire d'origine. *
+* Paramètres : instr = instruction ARMv7 à traiter. *
+* context = contexte associé à la phase de désassemblage. *
+* format = accès aux données du binaire d'origine. *
* *
* Description : Complète un désassemblage accompli pour une instruction. *
* *
@@ -46,22 +42,11 @@
* *
******************************************************************************/
-void post_process_thumb_instruction_bl(GArchInstruction *instr, GBinFormat *format)
+void post_process_branch_instructions(GArchInstruction *instr, GProcContext *context, GBinFormat *format)
{
-
-
- const mrange_t *range;
-
- virt_t pc;
-
-
-
-
-
- GArchOperand *op;
- vmpa_t val;
- GArchOperand *new;
-
+ GArchOperand *op; /* Opérande numérique en place */
+ uint32_t addr; /* Adresse visée par le saut */
+ GArchOperand *new; /* Instruction de ciblage */
vmpa2t target;
mrange_t trange;
VMPA_BUFFER(loc);
@@ -69,148 +54,38 @@ void post_process_thumb_instruction_bl(GArchInstruction *instr, GBinFormat *form
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))
+ if (g_imm_operand_get_value(G_IMM_OPERAND(op), MDS_32_BITS_UNSIGNED, &addr))
{
- 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);
+ new = g_target_operand_new(MDS_32_BITS_UNSIGNED, addr);
+ if (!g_target_operand_resolve(G_TARGET_OPERAND(new), format))
+ {
+ init_vmpa(&target, VMPA_NO_PHYSICAL, addr);
+ init_mrange(&trange, &target, 0);
+ vmpa2_virt_to_string(&target, MDS_32_BITS, loc, NULL);
+ snprintf(name, sizeof(name), "loc_%s", loc + 2);
- g_target_operand_resolve(G_TARGET_OPERAND(new), format);
+ 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);
- }
-
-
- g_arch_instruction_replace_operand(instr, new, op);
- //g_arch_instruction_attach_extra_operand(result, new);
+ 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);
+ }
-
-/******************************************************************************
-* *
-* 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_replace_operand(instr, new, op);
- //g_arch_instruction_attach_extra_operand(result, new);
-
-
-
-
}
-