pwndbg: loaded 199 pwndbg commands. Type pwndbg [filter] for a list. pwndbg: created 12 GDB functions (can be used with print/break). Type help function to see them. Reading symbols from firmware.elf... ------- tip of the day (disable with set show-tips off) ------- Try splitting the context output into multiple TUI windows using layout pwndbg (tui disable or ctrl-x + a to go back to CLI mode) Remote debugging using /dev/ttyACM0 0x0000028c in ?? () Warning: Avoided exploring possible address 0x200003fc. You can explicitly explore it with `vmmap-explore 0x20000000` or disable automatic exploration with `set auto-explore-pages no`. Warning: Avoided exploring possible address 0x674. You can explicitly explore it with `vmmap-explore 0x0` or disable automatic exploration with `set auto-explore-pages no`. Unknown register: 'a6' Unknown register: 'a7' Unknown register: 's2' Unknown register: 's3' Unknown register: 's4' Unknown register: 's5' Unknown register: 's6' Unknown register: 's7' Unknown register: 's8' Unknown register: 's9' Unknown register: 's10' Unknown register: 's11' Unknown register: 't3' Unknown register: 't4' Unknown register: 't5' Unknown register: 't6' LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA ─────────────────────────────────────────────────────────────────────────────────────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────────────────────────────────────────────────────────────────────────────────── GP 0x200003fc ◂— 0x8733c872 TP 0x95596104 T0 0x674 ◂— 0xffffffff T1 1 (InterruptVectorDefault+1) ◂— 0xfa000 T2 0x20740c40 ('@\x0ct ') S0 0x129031c0 S1 0x98029234 A0 0x2046a5c8 A1 0xfffc0600 A2 0x16e360 A3 0x40011000 A4 0xe000f000 A5 0x40011400 SP 0x200007fc —▸ 0x3ee ◂— 0xffffffff RA 0x21e (main+6) ◂— 0x40021737 PC 0x28c ◂— 0x8d89470c ───────────────────────────────────────────────────────────────────────────────────────────────────────[ DISASM / rv32 / set emulate on ]─────────────────────────────────────────────────────────────────────────────────────────────────────── ► 0x28c c.lw a1, 8(a4) 0x28e c.sub a1, a0 0x290 bltz a1, 0x28c <0x28c> 0x294 c.lui a1, InterruptVectorDefault+16 A1 => 0x10000 0x296 c.sw a1, 0x10(a5) 0x298 lui a0, handle_reset+6 A0 => 0x100000 0x29c c.sw a0, 0x10(a5) 0x29e lui a0, 0x400 A0 => 0x400000 0x2a2 c.sw a0, 0x10(a5) 0x2a4 c.sw a1, 0x10(a3) 0x2a6 c.lw a0, 8(a4) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ STACK ]──────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 00:0000│ sp 0x200007fc —▸ 0x3ee ◂— 0xffffffff ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ BACKTRACE ]────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ► 0 0x28c ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Loading section .init, size 0xa0 lma 0x0 Loading section .text, size 0x1cc lma 0xa0 Start address 0x00000000, load size 620 Transfer rate: 5 KB/sec, 310 bytes/write. ❌️ Target does not support this command. Starting program: /home/lukas/code/ch32v003/ch32fun-template/firmware.elf Program received signal SIGTRAP, Trace/breakpoint trap. 0x00000262 in DelaySysTick (n=0x16e360) at /home/lukas/code/ch32fun/ch32fun/ch32fun.c:1890 1890 while( ((int32_t)( SysTick->CNT - targend )) < 0 ); Warning: Avoided exploring possible address 0x200003fc. You can explicitly explore it with `vmmap-explore 0x20000000` or disable automatic exploration with `set auto-explore-pages no`. Warning: Avoided exploring possible address 0x674. You can explicitly explore it with `vmmap-explore 0x0` or disable automatic exploration with `set auto-explore-pages no`. Unknown register: 'a6' Unknown register: 'a7' Unknown register: 's2' Unknown register: 's3' Unknown register: 's4' Unknown register: 's5' Unknown register: 's6' Unknown register: 's7' Unknown register: 's8' Unknown register: 's9' Unknown register: 's10' Unknown register: 's11' Unknown register: 't3' Unknown register: 't4' Unknown register: 't5' Unknown register: 't6' LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA ─────────────────────────────────────────────────────────────────────────────────────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────────────────────────────────────────────────────────────────────────────────── GP 0x200003fc ◂— 0x8733c872 TP 0x95596104 T0 0x674 ◂— 0xffffffff T1 1 (InterruptVectorDefault+1) ◂— 0xfa000 T2 0x20740c40 ('@\x0ct ') S0 0 (InterruptVectorDefault) ◂— j handle_reset /* 'o' */ S1 0x98029234 A0 0x10000 A1 0x2a5250d0 A2 0xfff49eb2 A3 0x16e360 A4 0xe000f000 A5 0x40011400 SP 0x200007fc —▸ 0x21e (main+6) ◂— 0x40021737 RA 0x21e (main+6) ◂— 0x40021737 PC 0x262 (main+74) ◂— 0x8e0d4710 ───────────────────────────────────────────────────────────────────────────────────────────────────────[ DISASM / rv32 / set emulate on ]─────────────────────────────────────────────────────────────────────────────────────────────────────── ► 0x262 c.lw a2, 8(a4) 0x264 c.sub a2, a1 0x266 bltz a2, main+74 0x26a c.j main+52 ↓ 0x24c sw t1, 0x10(a5) 0x250 c.lw a1, 8(a4) 0x252 c.add a1, a3 0x254 c.lw a2, 8(a4) 0x256 c.sub a2, a1 0x258 bltz a2, main+60 0x25c c.sw a0, 0x10(a5) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────────────────────────────────────────────────────────────────────────────────── In file: /home/lukas/code/ch32fun/ch32fun/ch32fun.c:1890 1884 #endif 1885 1886 void DelaySysTick( uint32_t n ) 1887 { 1888 #if defined(CH32V003) || defined(CH32V00x) 1889 uint32_t targend = SysTick->CNT + n; ► 1890 while( ((int32_t)( SysTick->CNT - targend )) < 0 ); 1891 #elif defined(CH32V20x) || defined(CH32V30x) || defined(CH32X03x) || defined(CH32L103) || defined(CH582_CH583) || defined(CH591_CH592) 1892 uint64_t targend = SysTick->CNT + n; 1893 while( ((int64_t)( SysTick->CNT - targend )) < 0 ); 1894 #elif defined(CH32V10x) || defined(CH570_CH572) || defined(CH584_CH585) || defined(CH32H41x) 1895 uint32_t targend = SysTick->CNTL + n; 1896 while( ((int32_t)( SysTick->CNTL - targend )) < 0 ); 1897 #elif defined(CH571_CH573) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ STACK ]──────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 00:0000│ sp 0x200007fc —▸ 0x21e (main+6) ◂— 0x40021737 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ BACKTRACE ]────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ► 0 0x262 main+74 1 0x262 main+74 2 0x21e main+6 ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Continuing. Program received signal SIGTRAP, Trace/breakpoint trap. 0x00000264 in DelaySysTick (n=0x16e360) at /home/lukas/code/ch32fun/ch32fun/ch32fun.c:1890 1890 while( ((int32_t)( SysTick->CNT - targend )) < 0 ); Unknown register: 'a6' Unknown register: 'a7' Unknown register: 's2' Unknown register: 's3' Unknown register: 's4' Unknown register: 's5' Unknown register: 's6' Unknown register: 's7' Unknown register: 's8' Unknown register: 's9' Unknown register: 's10' Unknown register: 's11' Unknown register: 't3' Unknown register: 't4' Unknown register: 't5' Unknown register: 't6' LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA ─────────────────────────────────────────────────────────────────────────────────────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────────────────────────────────────────────────────────────────────────────────── GP 0x200003fc ◂— 0x8733c872 TP 0x95596104 T0 0x674 ◂— 0xffffffff T1 1 (InterruptVectorDefault+1) ◂— 0xfa000 T2 0x20740c40 ('@\x0ct ') S0 0 (InterruptVectorDefault) ◂— j handle_reset /* 'o' */ S1 0x98029234 A0 0x10000 *A1 0x2c77a1eb *A2 0x2c6fd6a6 A3 0x16e360 A4 0xe000f000 A5 0x40011400 SP 0x200007fc —▸ 0x21e (main+6) ◂— 0x40021737 RA 0x21e (main+6) ◂— 0x40021737 *PC 0x264 (main+76) ◂— 0x4ee38e0d ───────────────────────────────────────────────────────────────────────────────────────────────────────[ DISASM / rv32 / set emulate on ]─────────────────────────────────────────────────────────────────────────────────────────────────────── 0x262 c.lw a2, 8(a4) ► 0x264 c.sub a2, a1 A2 => 0xfff834bb (0x2c6fd6a6 - 0x2c77a1eb) 0x266 ✔ bltz a2, main+74 ↓ 0x262 c.lw a2, 8(a4) 0x264 c.sub a2, a1 A2 => 0x2c6fd6a6 - 0x2c77a1eb 0x266 bltz a2, main+74 0x26a c.j main+52 ↓ 0x24c sw t1, 0x10(a5) 0x250 c.lw a1, 8(a4) 0x252 c.add a1, a3 0x254 c.lw a2, 8(a4) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────────────────────────────────────────────────────────────────────────────────── In file: /home/lukas/code/ch32fun/ch32fun/ch32fun.c:1890 1884 #endif 1885 1886 void DelaySysTick( uint32_t n ) 1887 { 1888 #if defined(CH32V003) || defined(CH32V00x) 1889 uint32_t targend = SysTick->CNT + n; ► 1890 while( ((int32_t)( SysTick->CNT - targend )) < 0 ); 1891 #elif defined(CH32V20x) || defined(CH32V30x) || defined(CH32X03x) || defined(CH32L103) || defined(CH582_CH583) || defined(CH591_CH592) 1892 uint64_t targend = SysTick->CNT + n; 1893 while( ((int64_t)( SysTick->CNT - targend )) < 0 ); 1894 #elif defined(CH32V10x) || defined(CH570_CH572) || defined(CH584_CH585) || defined(CH32H41x) 1895 uint32_t targend = SysTick->CNTL + n; 1896 while( ((int32_t)( SysTick->CNTL - targend )) < 0 ); 1897 #elif defined(CH571_CH573) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ STACK ]──────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 00:0000│ sp 0x200007fc —▸ 0x21e (main+6) ◂— 0x40021737 ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────[ BACKTRACE ]────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ► 0 0x264 main+76 1 0x264 main+76 2 0x21e main+6 ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Detaching from program: /home/lukas/code/ch32v003/ch32fun-template/firmware.elf, Remote target [Inferior 1 (Remote target) detached]