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#include "frida-gumjs.h"
#include "debug.h"
#include "ranges.h"
#include "stats.h"
#include "util.h"
#if defined(__x86_64__)
typedef struct {
stats_data_header_t header;
guint64 num_call_imm;
guint64 num_call_imm_excluded;
guint64 num_call_reg;
guint64 num_call_mem;
guint64 num_jmp_imm;
guint64 num_jmp_reg;
guint64 num_jmp_mem;
guint64 num_jmp_cond_imm;
guint64 num_jmp_cond_reg;
guint64 num_jmp_cond_mem;
guint64 num_jmp_cond_jcxz;
guint64 num_ret;
guint64 num_rip_relative;
guint64 num_rip_relative_type[X86_INS_ENDING];
char name_rip_relative_type[X86_INS_ENDING][CS_MNEMONIC_SIZE];
} stats_data_arch_t;
gboolean stats_is_supported_arch(void) {
return TRUE;
}
size_t stats_data_size_arch(void) {
return sizeof(stats_data_arch_t);
}
void stats_write_arch(void) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
guint64 num_instructions = stats_data_arch->header.num_instructions;
stats_print(
"Call Immediates: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_call_imm,
((float)(stats_data_arch->num_call_imm * 100) / num_instructions));
stats_print("Call Immediates Excluded: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_call_imm_excluded,
((float)(stats_data_arch->num_call_imm_excluded * 100) /
num_instructions));
stats_print(
"Call Register: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_call_reg,
((float)(stats_data_arch->num_call_reg * 100) / num_instructions));
stats_print(
"Call Memory: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_call_mem,
((float)(stats_data_arch->num_call_mem * 100) / num_instructions));
stats_print("\n");
stats_print("Jump Immediates: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_imm,
((float)(stats_data_arch->num_jmp_imm * 100) / num_instructions));
stats_print("Jump Register: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_reg,
((float)(stats_data_arch->num_jmp_reg * 100) / num_instructions));
stats_print("Jump Memory: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_mem,
((float)(stats_data_arch->num_jmp_mem * 100) / num_instructions));
stats_print("\n");
stats_print(
"Conditional Jump Immediates: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_cond_imm,
((float)(stats_data_arch->num_jmp_cond_imm * 100) / num_instructions));
stats_print(
"Conditional Jump CX Immediate: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_cond_jcxz,
((float)(stats_data_arch->num_jmp_cond_jcxz * 100) / num_instructions));
stats_print(
"Conditional Jump Register: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_cond_reg,
((float)(stats_data_arch->num_jmp_cond_reg * 100) / num_instructions));
stats_print(
"Conditional Jump Memory: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_jmp_cond_mem,
((float)(stats_data_arch->num_jmp_cond_mem * 100) / num_instructions));
stats_print("\n");
stats_print("Returns: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_ret,
(stats_data_arch->num_ret * 100 / num_instructions));
stats_print("\n");
stats_print("Rip Relative: %" G_GINT64_MODIFIER
"u "
"(%3.2f%%)\n",
stats_data_arch->num_rip_relative,
(stats_data_arch->num_rip_relative * 100 / num_instructions));
for (size_t i = 0; i < X86_INS_ENDING; i++) {
if (stats_data_arch->num_rip_relative_type[i] != 0) {
stats_print(" %10d %s\n",
stats_data_arch->num_rip_relative_type[i],
stats_data_arch->name_rip_relative_type[i]);
}
}
stats_print("\n");
stats_print("\n");
}
static x86_op_type stats_get_operand_type(const cs_insn *instr) {
cs_x86 * x86 = &instr->detail->x86;
cs_x86_op *operand;
if (x86->op_count != 1) {
FATAL("Unexpected operand count (%d): %s %s\n", x86->op_count,
instr->mnemonic, instr->op_str);
}
operand = &x86->operands[0];
return operand->type;
}
static void stats_collect_call_imm_excluded_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
cs_x86 * x86 = &instr->detail->x86;
cs_x86_op * operand = &x86->operands[0];
if (range_is_excluded((gpointer)operand->imm)) {
stats_data_arch->num_call_imm_excluded++;
}
}
static void stats_collect_call_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
x86_op_type type = stats_get_operand_type(instr);
switch (type) {
case X86_OP_IMM:
stats_data_arch->num_call_imm++;
stats_collect_call_imm_excluded_arch(instr);
break;
case X86_OP_REG:
stats_data_arch->num_call_reg++;
break;
case X86_OP_MEM:
stats_data_arch->num_call_mem++;
break;
default:
FATAL("Invalid operand type: %s %s\n", instr->mnemonic, instr->op_str);
}
}
static void stats_collect_jump_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
x86_op_type type = stats_get_operand_type(instr);
switch (type) {
case X86_OP_IMM:
stats_data_arch->num_jmp_imm++;
break;
case X86_OP_REG:
stats_data_arch->num_jmp_reg++;
break;
case X86_OP_MEM:
stats_data_arch->num_jmp_mem++;
break;
default:
FATAL("Invalid operand type: %s %s\n", instr->mnemonic, instr->op_str);
}
}
static void stats_collect_jump_cond_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
x86_op_type type = stats_get_operand_type(instr);
switch (type) {
case X86_OP_IMM:
stats_data_arch->num_jmp_cond_imm++;
break;
case X86_OP_REG:
stats_data_arch->num_jmp_cond_reg++;
break;
case X86_OP_MEM:
stats_data_arch->num_jmp_cond_mem++;
break;
default:
FATAL("Invalid operand type: %s %s\n", instr->mnemonic, instr->op_str);
}
}
static void stats_collect_rip_relative_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
cs_x86 * x86 = &instr->detail->x86;
guint mod;
guint rm;
if (x86->encoding.modrm_offset == 0) { return; }
mod = (x86->modrm & 0xc0) >> 6;
if (mod != 0) { return; }
rm = (x86->modrm & 0x07) >> 0;
if (rm != 5) { return; }
stats_data_arch->num_rip_relative++;
stats_data_arch->num_rip_relative_type[instr->id]++;
memcpy(stats_data_arch->name_rip_relative_type[instr->id], instr->mnemonic,
CS_MNEMONIC_SIZE);
}
void stats_collect_arch(const cs_insn *instr) {
stats_data_arch_t *stats_data_arch = (stats_data_arch_t *)stats_data;
switch (instr->id) {
case X86_INS_CALL:
stats_collect_call_arch(instr);
break;
case X86_INS_JMP:
stats_collect_jump_arch(instr);
break;
case X86_INS_JA:
case X86_INS_JAE:
case X86_INS_JB:
case X86_INS_JBE:
case X86_INS_JE:
case X86_INS_JG:
case X86_INS_JGE:
case X86_INS_JL:
case X86_INS_JLE:
case X86_INS_JNE:
case X86_INS_JNO:
case X86_INS_JNP:
case X86_INS_JNS:
case X86_INS_JO:
case X86_INS_JP:
case X86_INS_JS:
stats_collect_jump_cond_arch(instr);
break;
case X86_INS_JECXZ:
case X86_INS_JRCXZ:
stats_data_arch->num_jmp_cond_jcxz++;
break;
case X86_INS_RET:
stats_data_arch->num_ret++;
break;
default:
stats_collect_rip_relative_arch(instr);
break;
}
}
#endif
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