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authorCyrille Bagard <nocbos@gmail.com>2015-01-30 23:37:39 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2015-01-30 23:37:39 (GMT)
commitd246c98c515cb44c5bc4c742a674bae2e824872b (patch)
tree2ea1ec27ae5fba761ee778ba4ddb85c7752ebbf5 /src/arch/arm
parent262c95e0b088a56e9fd919edc57ad19f85e2e40e (diff)
Bound a symbol for each loaded value for 'ldr' instructions.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@462 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/arm')
-rw-r--r--src/arch/arm/v7/link.c86
1 files changed, 75 insertions, 11 deletions
diff --git a/src/arch/arm/v7/link.c b/src/arch/arm/v7/link.c
index da5e30e..308d4e5 100644
--- a/src/arch/arm/v7/link.c
+++ b/src/arch/arm/v7/link.c
@@ -25,10 +25,15 @@
#include <assert.h>
-#include <operands/offset.h>
+#include <malloc.h>
+#include <i18n.h>
+
+
+#include "operands/offset.h"
#include "../register.h"
+#include "../../raw.h"
@@ -347,21 +352,20 @@ void handle_links_with_instruction_ldr_literal_with_orig(GArchInstruction *instr
phys_t phys_pc; /* Position dans l'exécution */
GArchOperand *op; /* Opérande de surcouche */
GArchOperand *sub_op; /* Opérande numérique en place */
-
-
uint32_t offset; /* Décallage encodé en dur */
bool ret; /* Bilan d'une récupération */
-
-
off_t val_offset; /* Position de valeur à lire */
-
-
-
+ vmpa2t sym_addr; /* Adresse de nouveau symbole */
off_t length; /* Taille des données à lire */
const bin_t *data; /* Données binaires à lire */
-
-
uint32_t target; /* Adresse virtuelle visée */
+ mrange_t sym_range; /* Espace du nouveau symbole */
+ VMPA_BUFFER(loc); /* Adresse au format texte */
+ size_t name_len; /* Taille de nomination finale */
+ char *name; /* Désignation humaine */
+ GArchInstruction *sym_instr; /* Instruction de symbole */
+ GBinSymbol *symbol; /* Nouveau symbole construit */
+ GDbComment *comment; /* Définition de commentaire */
GArchOperand *new; /* Instruction de ciblage */
/* Récupération de l'adresse visée par le chargement */
@@ -401,13 +405,24 @@ void handle_links_with_instruction_ldr_literal_with_orig(GArchInstruction *instr
return;
}
- /* Lecture de la valeur vers laquelle renvoyer */
+ /* Transformations et conservation d'une position de symbole */
if (g_armv7_offset_operand_is_positive(G_ARMV7_OFFSET_OPERAND(op)))
val_offset = phys_pc + offset;
else
val_offset = phys_pc - offset;
+ init_vmpa(&sym_addr, val_offset, VMPA_NO_VIRTUAL);
+ init_mrange(&sym_range, &sym_addr, 4);
+
+
+
+
+
+
+
+
+ /* Lecture de la valeur vers laquelle renvoyer */
data = g_binary_format_get_content(format, &length);
@@ -422,6 +437,55 @@ void handle_links_with_instruction_ldr_literal_with_orig(GArchInstruction *instr
printf(">>>>>>> @got target :: 0x%08x\n", (unsigned int)target);
+
+
+
+ /* Réalise l'intégration du symbole associé */
+
+ sym_instr = g_raw_instruction_new_from_value(&sym_addr, MDS_32_BITS_UNSIGNED, target);
+
+ name_len = strlen(_("Value used @ %s")) + VMPA_MAX_LEN + 1;
+
+ name = (char *)calloc(name_len, sizeof(char));
+
+ vmpa2_virt_to_string(get_mrange_addr(range), MDS_32_BITS, loc, NULL);
+ snprintf(name, name_len, _("Value used @ %s"), loc);
+
+ ADD_RAW_AS_SYM(format, symbol, &sym_addr, sym_instr, comment, name);
+
+ free(name);
+
+
+
+ g_proc_context_push_new_symbol_at(G_PROC_CONTEXT(context), &sym_addr);
+ printf("repush :: from 0x%x :: %x / %x\n",
+ (unsigned int)get_phy_addr(get_mrange_addr(range)),
+ (unsigned int)sym_addr.physical, (unsigned int)sym_addr.virtual);
+
+
+ printf("add sym %p\n", symbol);
+
+
+
+ //g_proc_context_push_new_symbol_at(context, &sym_addr);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
//g_imm_operand_set_value(G_IMM_OPERAND(sub_op), MDS_32_BITS_UNSIGNED, target);