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#include <sys/mman.h>
#include "frida-gumjs.h"
#include "ranges.h"
#include "shm.h"
#include "stats.h"
#include "util.h"
#define MICRO_TO_SEC 1000000
#if defined(__aarch64__)
typedef struct {
guint64 num_blocks;
guint64 num_instructions;
guint64 num_eob;
guint64 num_reloc;
guint64 num_adr;
guint64 num_adrp;
guint64 num_b;
guint64 num_bcc;
guint64 num_bl;
guint64 num_br;
guint64 num_cbz;
guint64 num_cbnz;
guint64 num_ldr;
guint64 num_ldrsw;
guint64 num_ret;
guint64 num_tbz;
guint64 num_tbnz;
} stats_data_arch_t;
static stats_data_arch_t *stats_data_arch = NULL;
void starts_arch_init(void) {
stats_data_arch = shm_create(sizeof(stats_data_arch_t));
}
static void stats_write_arch_stat(char *label, guint64 value, guint64 total) {
stats_print("%-30s ", label);
stats_print("%10" G_GINT64_MODIFIER "u ", value);
if (total == 0) {
stats_print("(--.--%%), ");
} else {
stats_print("(%5.2f%%) ", ((float)value * 100) / total);
}
stats_print("\n");
}
static void stats_write_arch_stat_delta(char *label, guint64 prev_value,
guint64 curr_value, guint elapsed,
guint64 prev_total,
guint64 curr_total) {
guint64 delta = curr_value - prev_value;
guint64 delta_total = curr_total - prev_total;
guint64 per_sec = delta / elapsed;
stats_print("%-30s ", label);
stats_print("%10" G_GINT64_MODIFIER "u ", curr_value);
if (curr_total == 0) {
stats_print("(--.--%%), ");
} else {
stats_print("(%5.2f%%) ", ((float)curr_value * 100) / curr_total);
}
stats_print("%10" G_GINT64_MODIFIER "u ", delta);
if (delta_total == 0) {
stats_print("(--.--%%), ");
} else {
stats_print("(%5.2f%%) ", ((float)delta * 100) / delta_total);
}
stats_print("[%10" G_GINT64_MODIFIER "u/s]", per_sec);
stats_print("\n");
}
void stats_write_arch(stats_data_t *data) {
guint elapsed =
(data->curr.stats_time - data->prev.stats_time) / MICRO_TO_SEC;
stats_print("%-30s %10s %19s\n", "Transitions", "cumulative", "delta");
stats_print("%-30s %10s %19s\n", "-----------", "----------", "-----");
stats_print(
"%-30s %10" G_GINT64_MODIFIER "u %-8s %10" G_GINT64_MODIFIER "u\n",
"total", data->curr.total, "", data->curr.total - data->prev.total);
stats_write_arch_stat_delta("call_imm", data->prev.call_imm,
data->curr.call_imm, elapsed, data->prev.total,
data->curr.total);
stats_write_arch_stat_delta("call_reg", data->prev.call_reg,
data->curr.call_reg, elapsed, data->prev.total,
data->curr.total);
stats_write_arch_stat_delta("excluded_call_reg", data->prev.excluded_call_reg,
data->curr.excluded_call_reg, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("ret", data->prev.ret, data->curr.ret, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("post_call_invoke", data->prev.post_call_invoke,
data->curr.post_call_invoke, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("excluded_call_imm", data->prev.excluded_call_imm,
data->curr.excluded_call_imm, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_imm", data->prev.jmp_imm, data->curr.jmp_imm,
elapsed, data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_reg", data->prev.jmp_reg, data->curr.jmp_reg,
elapsed, data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_cond_cc", data->prev.jmp_cond_cc,
data->curr.jmp_cond_cc, elapsed, data->prev.total,
data->curr.total);
stats_write_arch_stat_delta("jmp_cond_cbz", data->prev.jmp_cond_cbz,
data->curr.jmp_cond_cbz, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_cond_cbnz", data->prev.jmp_cond_cbnz,
data->curr.jmp_cond_cbnz, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_cond_tbz", data->prev.jmp_cond_tbz,
data->curr.jmp_cond_tbz, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_cond_tbnz", data->prev.jmp_cond_tbnz,
data->curr.jmp_cond_tbnz, elapsed,
data->prev.total, data->curr.total);
stats_write_arch_stat_delta("jmp_continuation", data->prev.jmp_continuation,
data->curr.jmp_continuation, elapsed,
data->prev.total, data->curr.total);
stats_print("\n");
stats_print("\n");
stats_print("Instrumentation\n");
stats_print("---------------\n");
stats_print("%-30s %10" G_GINT64_MODIFIER "u\n", "Instructions",
stats_data_arch->num_instructions);
stats_print("%-30s %10" G_GINT64_MODIFIER "u\n", "Blocks",
stats_data_arch->num_blocks);
if (stats_data_arch->num_blocks != 0) {
stats_print(
"%-30s %10" G_GINT64_MODIFIER "u\n", "Avg Instructions / Block ",
stats_data_arch->num_instructions / stats_data_arch->num_blocks);
}
stats_print("\n");
stats_print("\n");
guint64 num_instructions = stats_data_arch->num_instructions;
stats_print("EOB Instructions\n");
stats_print("----------------\n");
stats_write_arch_stat("Total", stats_data_arch->num_eob, num_instructions);
stats_write_arch_stat("B", stats_data_arch->num_b, num_instructions);
stats_write_arch_stat("Bcc", stats_data_arch->num_bcc, num_instructions);
stats_write_arch_stat("BL", stats_data_arch->num_bl, num_instructions);
stats_write_arch_stat("BR", stats_data_arch->num_br, num_instructions);
stats_write_arch_stat("CBZ", stats_data_arch->num_cbz, num_instructions);
stats_write_arch_stat("CBNZ", stats_data_arch->num_cbnz, num_instructions);
stats_write_arch_stat("RET", stats_data_arch->num_ret, num_instructions);
stats_write_arch_stat("TBZ", stats_data_arch->num_tbz, num_instructions);
stats_write_arch_stat("TBNZ", stats_data_arch->num_tbnz, num_instructions);
stats_print("\n");
stats_print("\n");
stats_print("Relocated Instructions\n");
stats_print("----------------------\n");
stats_write_arch_stat("Total", stats_data_arch->num_reloc, num_instructions);
stats_write_arch_stat("ADR", stats_data_arch->num_adr, num_instructions);
stats_write_arch_stat("ADRP", stats_data_arch->num_adrp, num_instructions);
stats_write_arch_stat("LDR", stats_data_arch->num_ldr, num_instructions);
stats_write_arch_stat("LDRSW", stats_data_arch->num_ldrsw, num_instructions);
stats_print("\n");
stats_print("\n");
}
void stats_collect_arch(const cs_insn *instr, gboolean begin) {
if (stats_data_arch == NULL) { return; }
if (begin) { stats_data_arch->num_blocks++; }
stats_data_arch->num_instructions++;
switch (instr->id) {
case ARM64_INS_ADR:
stats_data_arch->num_adr++;
stats_data_arch->num_reloc++;
break;
case ARM64_INS_ADRP:
stats_data_arch->num_adrp++;
stats_data_arch->num_reloc++;
break;
case ARM64_INS_B:
switch (instr->detail->arm64.cc) {
case ARM64_CC_INVALID:
case ARM64_CC_AL:
case ARM64_CC_NV:
stats_data_arch->num_b++;
break;
default:
stats_data_arch->num_bcc++;
break;
}
stats_data_arch->num_eob++;
break;
case ARM64_INS_BR:
case ARM64_INS_BRAA:
case ARM64_INS_BRAAZ:
case ARM64_INS_BRAB:
case ARM64_INS_BRABZ:
stats_data_arch->num_br++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_BL:
case ARM64_INS_BLR:
case ARM64_INS_BLRAA:
case ARM64_INS_BLRAAZ:
case ARM64_INS_BLRAB:
case ARM64_INS_BLRABZ:
stats_data_arch->num_bl++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_CBZ:
stats_data_arch->num_cbz++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_CBNZ:
stats_data_arch->num_cbnz++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_LDR:
stats_data_arch->num_ldr++;
stats_data_arch->num_reloc++;
break;
case ARM64_INS_LDRSW:
stats_data_arch->num_ldrsw++;
stats_data_arch->num_reloc++;
break;
case ARM64_INS_RET:
case ARM64_INS_RETAA:
case ARM64_INS_RETAB:
stats_data_arch->num_ret++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_TBZ:
stats_data_arch->num_tbz++;
stats_data_arch->num_eob++;
break;
case ARM64_INS_TBNZ:
stats_data_arch->num_tbnz++;
stats_data_arch->num_eob++;
break;
default:
break;
}
}
#endif
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