[*] Binary protection state of image2d
Full RELRO Canary found NX disabled PIE enabled No RPATH No RUNPATH No Symbols
[*] Function printf tear down of image2d
; assembly | /* r2dec pseudo code output */
| /* /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/image2d @ 0xf7988 */
| #include <stdint.h>
|
; (fcn) sym.debug_output () | void debug_output () {
0x000f7988 lui gp, 0x15 |
0x000f798c addiu gp, gp, 0x7948 |
0x000f7990 addu gp, gp, t9 | gp += t9;
0x000f7994 lw v0, -0x5f08(gp) | v0 = *((gp - 6082));
0x000f7998 addiu sp, sp, -0x60 |
0x000f799c lui v1, 0x4000 | v1 = imp.g_str_equal;
0x000f79a0 sw v0, 0x24(sp) | *(var_24h_2) = v0;
0x000f79a4 lw v0, (v0) | v0 = *(v0);
0x000f79a8 sw gp, 0x10(sp) | *(var_10h_2) = gp;
0x000f79ac sltu v1, a0, v1 | v1 = (a0 < v1) ? 1 : 0;
0x000f79b0 sw ra, 0x5c(sp) | *(var_5ch) = ra;
0x000f79b4 sw fp, 0x58(sp) | *(var_58h) = fp;
0x000f79b8 sw s7, 0x54(sp) | *(var_54h) = s7;
0x000f79bc sw s6, 0x50(sp) | *(var_50h) = s6;
0x000f79c0 sw s5, 0x4c(sp) | *(var_4ch) = s5;
0x000f79c4 sw s4, 0x48(sp) | *(var_48h) = s4;
0x000f79c8 sw s3, 0x44(sp) | *(var_44h_2) = s3;
0x000f79cc sw s2, 0x40(sp) | *(var_40h_2) = s2;
0x000f79d0 sw s1, 0x3c(sp) | *(var_3ch_2) = s1;
0x000f79d4 sw s0, 0x38(sp) | *(var_38h) = s0;
0x000f79d8 sw a3, 0x6c(sp) | *(var_6ch) = a3;
0x000f79dc sw v0, 0x34(sp) | *(var_34h_2) = v0;
0x000f79e0 addiu v0, zero, -1 | v0 = -1;
| if (v1 == 0) {
0x000f79e4 beqz v1, 0xf7bac | goto label_4;
| }
0x000f79e8 sltiu v0, a1, 2 | v0 = (a1 < 2) ? 1 : 0;
0x000f79ec addiu v0, zero, -1 | v0 = -1;
| if (v0 == 0) {
0x000f79f0 beqz v0, 0xf7bac | goto label_4;
| }
0x000f79f4 lw v0, -0x7e4c(gp) | v0 = *((gp - 8083));
0x000f79f8 addiu v0, v0, -0x6500 | v0 += -aav.0x00006500;
0x000f79fc lbux v0, a1(v0) | __asm ("lbux v0, a1(v0)");
0x000f7a00 lw s6, -0x7e4c(gp) | s6 = *((gp - 8083));
| if (v0 == 0) {
0x000f7a04 beqz v0, 0xf7b54 | goto label_5;
| }
0x000f7a08 move s5, a0 | s5 = a0;
0x000f7a0c addiu v0, s6, -0x65f0 | v0 = s6 + -0x65f0;
0x000f7a10 move s4, a2 | s4 = a2;
0x000f7a14 sw zero, 0x1c(sp) | *(var_1ch_2) = 0;
0x000f7a18 move s1, zero | s1 = 0;
0x000f7a1c sw v0, 0x20(sp) | *(var_20h_3) = v0;
0x000f7a20 addiu s6, sp, 0x6c | s6 = sp + 0x6c;
0x000f7a24 addiu fp, sp, 0x30 | fp = sp + 0x30;
0x000f7a28 b 0xf7a3c | goto label_6;
| label_0:
0x000f7a2c addiu s1, s1, 1 | s1++;
| do {
| label_1:
0x000f7a30 addiu v0, zero, 0x1e | v0 = 0x1e;
0x000f7a34 lw v0, 0x24(sp) | v0 = *(var_24h_2);
| if (s1 == v0) {
0x000f7a38 beq s1, v0, 0xf7b5c | goto label_7;
| }
| label_6:
0x000f7a3c srav v0, s5, s1 | __asm ("srav v0, s5, s1");
0x000f7a40 andi v0, v0, 1 | v0 &= 1;
0x000f7a44 beql v0, zero, 0xf7a30 |
| } while (v0 == 0);
0x000f7a48 addiu s1, s1, 1 | s1++;
0x000f7a4c lw v1, 0x20(sp) | v1 = *(var_20h_3);
0x000f7a50 sll v0, s1, 3 | v0 = s1 << 3;
0x000f7a54 addu v0, v1, v0 | v0 = v1 + v0;
0x000f7a58 lw v1, (v0) | v1 = *(v0);
0x000f7a5c lw t9, -0x60cc(gp) | t9 = sym.imp.g_list_first;
| if (v1 == 0) {
0x000f7a60 beqz v1, 0xf7ba8 | goto label_8;
| }
0x000f7a64 lw a0, 4(v0) | a0 = *((v0 + 1));
0x000f7a68 jalr t9 | t9 ();
0x000f7a6c move s0, v0 | s0 = v0;
0x000f7a70 lw gp, 0x10(sp) | gp = *(var_10h_2);
| if (v0 == 0) {
0x000f7a74 beqz v0, 0xf7a2c | goto label_0;
| }
0x000f7a78 addiu s3, zero, 1 | s3 = 1;
0x000f7a7c addiu s2, zero, 2 | s2 = 2;
0x000f7a80 b 0xf7ab8 | goto label_9;
| label_2:
0x000f7a84 lw s0, 4(s0) | s0 = *((s0 + 1));
| if (v0 == s2) {
0x000f7a88 bnel v0, s2, 0xf7ab0 | goto label_10;
| }
0x000f7a8c lw t9, -0x5fac(gp) | t9 = sym.imp.__vsyslog_chk;
0x000f7a90 lw a0, 8(s7) | a0 = *((s7 + 2));
0x000f7a94 sw s6, 0x2c(sp) | *(var_2ch_3) = s6;
0x000f7a98 move a3, s6 | a3 = s6;
0x000f7a9c move a2, s4 | a2 = s4;
0x000f7aa0 addiu a1, zero, 1 | a1 = 1;
0x000f7aa4 jalr t9 | t9 ();
0x000f7aa8 lw gp, 0x10(sp) | gp = *(var_10h_2);
| label_3:
0x000f7aac lw s0, 4(s0) | s0 = *((s0 + 1));
| if (s0 == 0) {
| label_10:
0x000f7ab0 beql s0, zero, 0xf7a30 | goto label_1;
| }
0x000f7ab4 addiu s1, s1, 1 | s1++;
| label_9:
0x000f7ab8 lw s7, (s0) | s7 = *(s0);
0x000f7abc lw v0, (s7) | v0 = *(s7);
| if (v0 != s3) {
0x000f7ac0 bne v0, s3, 0xf7a84 | goto label_2;
| }
0x000f7ac4 nop |
0x000f7ac8 lw v0, 4(s7) | v0 = *((s7 + 1));
0x000f7acc sw s6, 0x2c(sp) | *(var_2ch_3) = s6;
| if (v0 < 0) {
0x000f7ad0 bltz v0, 0xf7b9c | goto label_11;
| }
0x000f7ad4 lw t9, -0x61e4(gp) | t9 = sym.imp.__vasprintf_chk
0x000f7ad8 move a3, s6 | a3 = s6;
0x000f7adc move a2, s4 | a2 = s4;
0x000f7ae0 addiu a1, zero, 1 | a1 = 1;
0x000f7ae4 move a0, fp | a0 = fp;
0x000f7ae8 sw zero, 0x30(sp) | *(var_30h_3) = 0;
0x000f7aec jalr t9 | t9 ();
0x000f7af0 lw gp, 0x10(sp) | gp = *(var_10h_2);
| if (v0 < 0) {
0x000f7af4 bltz v0, 0xf7b9c | goto label_11;
| }
0x000f7af8 lw a1, 0x30(sp) | a1 = *(var_30h_3);
| if (v0 == 0) {
0x000f7afc bnez v0, 0xf7b14 |
0x000f7b00 lw t9, -0x5d90(gp) | t9 = sym.imp.free;
0x000f7b04 move a0, a1 | a0 = a1;
0x000f7b08 jalr t9 | t9 ();
0x000f7b0c lw gp, 0x10(sp) | gp = *(var_10h_2);
0x000f7b10 b 0xf7aac | goto label_3;
| }
0x000f7b14 lw t9, -0x5ca8(gp) | t9 = sym.imp.write;
0x000f7b18 lw a0, 4(s7) | a0 = *((s7 + 1));
0x000f7b1c move a2, v0 | a2 = v0;
0x000f7b20 sw v0, 0x18(sp) | *(var_18h_2) = v0;
0x000f7b24 jalr t9 | t9 ();
0x000f7b28 lw gp, 0x10(sp) | gp = *(var_10h_2);
0x000f7b2c lw a3, 0x18(sp) | a3 = *(var_18h_2);
0x000f7b30 lw a0, 0x30(sp) | a0 = *(var_30h_3);
0x000f7b34 lw t9, -0x5d90(gp) | t9 = sym.imp.free;
| if (a3 != v0) {
0x000f7b38 beq a3, v0, 0xf7b44 |
0x000f7b3c addiu v0, zero, -1 | v0 = -1;
0x000f7b40 sw v0, 0x1c(sp) | *(var_1ch_2) = v0;
| }
0x000f7b44 jalr t9 | t9 ();
0x000f7b48 nop |
0x000f7b4c lw gp, 0x10(sp) | gp = *(var_10h_2);
0x000f7b50 b 0xf7aac | goto label_3;
| label_5:
0x000f7b54 sw zero, 0x1c(sp) | *(var_1ch_2) = 0;
| do {
0x000f7b58 lw v0, 0x24(sp) | v0 = *(var_24h_2);
| label_7:
0x000f7b5c lw a0, 0x34(sp) | a0 = *(var_34h_2);
0x000f7b60 lw v1, (v0) | v1 = *(v0);
0x000f7b64 lw v0, 0x1c(sp) | v0 = *(var_1ch_2);
| if (a0 != v1) {
0x000f7b68 bne a0, v1, 0xf7bb4 | goto label_12;
| }
0x000f7b6c lw ra, 0x5c(sp) | ra = *(var_5ch);
0x000f7b70 lw fp, 0x58(sp) | fp = *(var_58h);
0x000f7b74 lw s7, 0x54(sp) | s7 = *(var_54h);
0x000f7b78 lw s6, 0x50(sp) | s6 = *(var_50h);
0x000f7b7c lw s5, 0x4c(sp) | s5 = *(var_4ch);
0x000f7b80 lw s4, 0x48(sp) | s4 = *(var_48h);
0x000f7b84 lw s3, 0x44(sp) | s3 = *(var_44h_2);
0x000f7b88 lw s2, 0x40(sp) | s2 = *(var_40h_2);
0x000f7b8c lw s1, 0x3c(sp) | s1 = *(var_3ch_2);
0x000f7b90 lw s0, 0x38(sp) | s0 = *(var_38h);
0x000f7b94 addiu sp, sp, 0x60 |
0x000f7b98 jr ra | return v0;
| label_11:
0x000f7b9c addiu v0, zero, -1 | v0 = -1;
0x000f7ba0 sw v0, 0x1c(sp) | *(var_1ch_2) = v0;
0x000f7ba4 b 0xf7aac | goto label_3;
| label_8:
0x000f7ba8 addiu v0, zero, -1 | v0 = -1;
| label_4:
0x000f7bac sw v0, 0x1c(sp) | *(var_1ch_2) = v0;
0x000f7bb0 b 0xf7b58 |
| } while (1);
| label_12:
0x000f7bb4 lw t9, -0x5fc0(gp) | t9 = sym.imp.__stack_chk_fail;
0x000f7bb8 jalr t9 | t9 ();
0x000f7bbc nop |
| }
[*] Function printf used 2 times image2d
