[*] Binary protection state of libsysutils.so
No RELRO No Canary found NX disabled DSO No RPATH No RUNPATH Symbols
[*] Function popen tear down of libsysutils.so
; assembly | /* r2dec pseudo code output */
| /* /logs/firmware/unblob_extracted/firmware_extract/6225984-11075644.jffs2_new_extract/lib/libsysutils.so @ 0x1020 */
| #include <stdint.h>
|
; (fcn) sym.__do_global_dtors_aux () | void do_global_dtors_aux () {
0x00001020 lui gp, 2 |
0x00001024 addiu gp, gp, -0x2000 |
0x00001028 addu gp, gp, t9 | gp += t9;
0x0000102c addiu sp, sp, -0x30 |
0x00001030 sw s3, 0x28(sp) | *(var_28h) = s3;
0x00001034 lw s3, -0x7fe4(gp) | s3 = *((gp - 8185));
0x00001038 sw gp, 0x10(sp) | *(var_10h) = gp;
0x0000103c sw ra, 0x2c(sp) | *(var_2ch) = ra;
0x00001040 lbu v0, 0x7130(s3) | v0 = *((s3 + 28976));
0x00001044 sw s2, 0x24(sp) | *(var_24h) = s2;
0x00001048 sw s1, 0x20(sp) | *(var_20h) = s1;
0x0000104c sw s0, 0x1c(sp) | *(var_1ch) = s0;
0x00001050 lw v0, -0x7f18(gp) | v0 = *((gp - 8134));
| if (v0 != 0) {
0x00001054 bnez v0, 0x110c | goto label_1;
| }
0x00001058 lw v0, -0x7fe0(gp) | v0 = *(gp);
| if (v0 != 0) {
0x0000105c beqz v0, 0x1070 |
0x00001060 lw t9, -0x7f18(gp) | t9 = *((gp - 8134));
0x00001064 lw a0, (v0) | a0 = *(v0);
0x00001068 jalr t9 | t9 ();
0x0000106c lw gp, 0x10(sp) | gp = *(var_10h);
| }
0x00001070 lw s2, -0x7fe4(gp) | s2 = *((gp - 8185));
0x00001074 lw s0, -0x7fe4(gp) | s0 = *((gp - 8185));
0x00001078 lw s1, -0x7fdc(gp) | s1 = *(gp);
| /* obj.__DTOR_LIST__ */
0x0000107c addiu s2, s2, 0x7008 | s2 += 0x7008;
0x00001080 lw v0, 0x7134(s0) | v0 = *((s0 + 7245));
0x00001084 subu s1, s1, s2 | __asm ("subu s1, s1, s2");
0x00001088 sra s1, s1, 2 | s1 >>= 2;
0x0000108c addiu s1, s1, -1 | s1 += -1;
0x00001090 sltu v1, v0, s1 | v1 = (v0 < s1) ? 1 : 0;
0x00001094 lw t9, -0x7fd8(gp) | t9 = *((gp - 8182));
| if (v1 == 0) {
0x00001098 beqz v1, 0x10c8 | goto label_2;
| }
| do {
0x0000109c addiu v0, v0, 1 | v0++;
0x000010a0 sll v1, v0, 2 | v1 = v0 << 2;
0x000010a4 addu v1, s2, v1 | v1 = s2 + v1;
0x000010a8 lw t9, (v1) | t9 = *(v1);
0x000010ac sw v0, 0x7134(s0) | *((s0 + 7245)) = v0;
0x000010b0 jalr t9 | t9 ();
0x000010b4 lw v0, 0x7134(s0) | v0 = *((s0 + 7245));
0x000010b8 sltu v1, v0, s1 | v1 = (v0 < s1) ? 1 : 0;
0x000010bc lw gp, 0x10(sp) | gp = *(var_10h);
0x000010c0 bnez v1, 0x109c |
| } while (v1 != 0);
0x000010c4 lw t9, -0x7fd8(gp) | t9 = *((gp - 8182));
| label_2:
0x000010c8 addiu t9, t9, 0xf90 | t9 += entry0;
0x000010cc bal 0xf90 | entry0 ();
0x000010d0 nop |
0x000010d4 lw gp, 0x10(sp) | gp = *(var_10h);
0x000010d8 lw v0, -0x7f70(gp) | v0 = *((gp - 8156));
0x000010dc lw a0, -0x7f84(gp) | a0 = *((gp - 8161));
| if (v0 == 0) {
0x000010e0 beqz v0, 0x1128 | goto label_3;
| }
0x000010e4 lw v0, -0x7f4c(gp) | v0 = *((gp - 8147));
| if (a0 == 0) {
0x000010e8 beqz a0, 0x112c | goto label_4;
| }
0x000010ec lb v0, (a0) | v0 = *(a0);
0x000010f0 slti v0, v0, 2 | v0 = (v0 < 2) ? 1 : 0;
0x000010f4 lw t9, -0x7f4c(gp) | t9 = *((gp - 8147));
| if (v0 != 0) {
0x000010f8 bnez v0, 0x1128 | goto label_3;
| }
0x000010fc jalr t9 | t9 ();
0x00001100 nop |
| do {
0x00001104 addiu v0, zero, 1 | v0 = 1;
| label_0:
0x00001108 sb v0, 0x7130(s3) | *((s3 + 28976)) = v0;
| label_1:
0x0000110c lw ra, 0x2c(sp) | ra = *(var_2ch);
0x00001110 lw s3, 0x28(sp) | s3 = *(var_28h);
0x00001114 lw s2, 0x24(sp) | s2 = *(var_24h);
0x00001118 lw s1, 0x20(sp) | s1 = *(var_20h);
0x0000111c lw s0, 0x1c(sp) | s0 = *(var_1ch);
0x00001120 addiu sp, sp, 0x30 |
0x00001124 jr ra | return v0;
| label_3:
0x00001128 lw v0, -0x7f4c(gp) | v0 = *((gp - 8147));
| label_4:
0x0000112c lw a0, -0x7fd8(gp) | a0 = *((gp - 8182));
0x00001130 beqz v0, 0x1104 |
| } while (v0 == 0);
0x00001134 lw t9, -0x7f4c(gp) | t9 = *((gp - 8147));
0x00001138 addiu a0, a0, 0x69d0 | a0 += obj.__EH_FRAME_BEGIN__;
0x0000113c jalr t9 | t9 ();
0x00001140 addiu v0, zero, 1 | v0 = 1;
0x00001144 b 0x1108 | goto label_0;
| }
[*] Function popen used 1 times libsysutils.so
