[*] Binary protection state of libevent_core-2.1.so.6.0.2
Partial RELRO No Canary found NX disabled DSO No RPATH No RUNPATH No Symbols
[*] Function fprintf tear down of libevent_core-2.1.so.6.0.2
; assembly | /* r2dec pseudo code output */
| /* /logs/firmware/unblob_extracted/firmware_extract/56048-12514271.gzip_extract/gzip.uncompressed_extract/5243916-15068666.gzip_extract/gzip.uncompressed_extract/usr/lib/libevent_core-2.1.so.6.0.2 @ 0x21dc8 */
| #include <stdint.h>
|
; (fcn) sym.event_logv_ () | void event_logv_ (int32_t arg1, int32_t arg2) {
| char * s;
| int32_t var_400h;
| int32_t var_4h;
| r0 = arg1;
| r1 = arg2;
0x00021dc8 push {r4, r5, r6, r7, lr} |
0x00021dcc ldr r7, [pc, 0x114] | r7 = *(0x21ee4);
0x00021dd0 sub sp, sp, 0x400 |
0x00021dd4 subs r5, r0, 0 | r5 = r0 - 0;
0x00021dd8 add r7, pc, r7 | r7 = pc + r7;
0x00021ddc sub sp, sp, 4 |
| if (r5 == r0) {
0x00021de0 bne 0x21df8 |
0x00021de4 ldr r0, [pc, 0x100] |
0x00021de8 ldr r0, [r7, r0] | r0 = *((r7 + r0));
0x00021dec ldr r0, [r0] | r0 = *(0x21ee8);
0x00021df0 cmp r0, 0 |
| if (r0 == 0) {
0x00021df4 beq 0x21e68 | goto label_1;
| }
| }
0x00021df8 cmp r2, 0 |
0x00021dfc mov r6, r1 | r6 = r1;
0x00021e00 mov r4, sp | r4 = sp;
| if (r2 != 0) {
0x00021e04 strbeq r2, [sp] | *(sp) = r2;
| }
| if (r2 != 0) {
0x00021e08 beq 0x21e18 |
0x00021e0c mov r1, 0x400 | r1 = 0x400;
0x00021e10 mov r0, r4 | r0 = r4;
0x00021e14 bl 0x76bc | fcn_000076bc ();
| }
0x00021e18 cmp r6, 0 |
| if (r6 != 0) {
0x00021e1c beq 0x21e48 |
0x00021e20 mov r0, r4 | r0 = r4;
0x00021e24 bl 0x7254 | r0 = strlen (r0);
0x00021e28 cmp r0, 0x3fc |
| if (r0 > 0x3fc) {
0x00021e2c bhi 0x21e48 | goto label_2;
| }
0x00021e30 ldr r2, [pc, 0xb8] | r2 = *(0x21eec);
0x00021e34 rsb r1, r0, 0x400 | r1 = 0x400 - r0;
0x00021e38 mov r3, r6 | r3 = r6;
0x00021e3c add r2, pc, r2 | r2 = pc + r2;
0x00021e40 add r0, r4, r0 | r0 = r4 + r0;
0x00021e44 bl 0x71a0 | fcn_000071a0 ();
| }
| label_2:
0x00021e48 ldr r3, [pc, 0xa4] |
0x00021e4c add r3, pc, r3 | r3 = pc + r3;
0x00021e50 ldr r3, [r3, 4] | r3 = *(0x21ef4);
0x00021e54 cmp r3, 0 |
| if (r3 == 0) {
0x00021e58 beq 0x21e74 | goto label_3;
| }
0x00021e5c mov r1, r4 | r1 = r4;
0x00021e60 mov r0, r5 | r0 = r5;
0x00021e64 blx r3 | uint32_t (*r3)(uint32_t, uint32_t) (r0, r1);
| do {
| label_1:
0x00021e68 add sp, sp, 0x400 |
0x00021e6c add sp, sp, 4 |
0x00021e70 pop {r4, r5, r6, r7, pc} |
| label_3:
0x00021e74 cmp r5, 3 |
| if (r5 > 3) {
| /* switch table (4 cases) at 0x21e80 */
0x00021e78 addls pc, pc, r5, lsl 2 | pc += (r5 << 2);
| }
0x00021e7c b 0x21ed0 | goto label_4;
0x00021e80 b 0x21edc | goto label_5;
0x00021e84 b 0x21e90 | goto label_6;
0x00021e88 b 0x21eb8 | goto label_7;
0x00021e8c b 0x21ec4 | goto label_8;
| label_6:
0x00021e90 ldr r2, [pc, 0x60] | r2 = *(0x21ef4);
0x00021e94 add r2, pc, r2 | r2 = pc + r2;
| label_0:
0x00021e98 ldr r3, [pc, 0x5c] | r3 = *(0x21ef8);
0x00021e9c ldr r1, [pc, 0x5c] | r1 = *(0x21efc);
0x00021ea0 ldr r0, [r7, r3] | r0 = *((r7 + r3));
0x00021ea4 add r1, pc, r1 | r1 = pc + r1;
0x00021ea8 mov r3, r4 | r3 = r4;
0x00021eac ldr r0, [r0] | r0 = *(r0);
0x00021eb0 bl 0x7764 | fprintf (r0, r1, r2, r3)
0x00021eb4 b 0x21e68 |
| } while (1);
| label_7:
0x00021eb8 ldr r2, [pc, 0x44] | r2 = "ketpair";
0x00021ebc add r2, pc, r2 | r2 = pc + r2;
0x00021ec0 b 0x21e98 | goto label_0;
| label_8:
0x00021ec4 ldr r2, [pc, 0x3c] | r2 = *(0x21f04);
0x00021ec8 add r2, pc, r2 | r2 = pc + r2;
0x00021ecc b 0x21e98 | goto label_0;
| label_4:
0x00021ed0 ldr r2, [pc, 0x34] | r2 = "eonexec_";
0x00021ed4 add r2, pc, r2 | r2 = pc + r2;
0x00021ed8 b 0x21e98 | goto label_0;
| label_5:
0x00021edc ldr r2, [pc, 0x2c] | r2 = "pen_closeonexec_";
0x00021ee0 add r2, pc, r2 | r2 = pc + r2;
0x00021ee4 b 0x21e98 | goto label_0;
| }
[*] Function fprintf used 2 times libevent_core-2.1.so.6.0.2
