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使用eclipse作为ide，jlink v9作为调试进行调试；调试时jlink会报一警告，见图1，但，点OK后，仍然可以进入debug，见图2，
但无法跳转至main函数，不知为何，特来请教。
附debug时的全部信息：
SEGGER J-Link GDB Server V7.96l Command Line Version
JLinkARM.dll V7.96l (DLL compiled Jun 12 2024 18:55:26)
Command line: -if swd -device FM33LC02X -endian little -speed 1000 -port 2331 -swoport 2332 -telnetport 2333 -vd -ir -localhostonly 1 -singlerun -strict -timeout 0 -nogui
-----GDB Server start settings-----
GDBInit file: none
GDB Server Listening port: 2331
SWO raw output listening port: 2332
Terminal I/O port: 2333
Accept remote connection: localhost only
Generate logfile: off
Verify download: on
Init regs on start: on
Silent mode: off
Single run mode: on
Target connection timeout: 0 ms
------J-Link related settings------
J-Link Host inte**ce: USB
J-Link script: none
J-Link settings file: none
------Target related settings------
Target device: FM33LC02X
Target device parameters: none
Target inte**ce: SWD
Target inte**ce speed: 1000kHz
Target endian: little
Connecting to J-Link...
J-Link is connected.
Firmware: J-Link V9 compiled May 7 2021 16:26:12
Hardware: V9.40
S/N: 69400160
Feature(s): RDI, GDB, FlashDL, FlashBP, JFlash
Checking target voltage...
Target voltage: 3.32 V
Listening on TCP/IP port 2331
Connecting to target...
Initializing CPU registers...Connected to target
Waiting for GDB connection...Connected to 0000:0000:0000:0000:0000:0000:0000:0001
GDB client (conn. 888) requested target.xml from GDB Server
Reading common registers: Read register 'r0' (4 bytes) from hardware: 0x00000000
Read register 'r1' (4 bytes) from hardware: 0x00000000
Read register 'r2' (4 bytes) from hardware: 0x00000000
Read register 'r3' (4 bytes) from hardware: 0x00000000
Read register 'r4' (4 bytes) from hardware: 0x00000000
Read register 'r5' (4 bytes) from hardware: 0x00000000
Read register 'r6' (4 bytes) from hardware: 0x00000000
Read register 'r7' (4 bytes) from hardware: 0x00000000
Read register 'r8' (4 bytes) from hardware: 0x00000000
Read register 'r9' (4 bytes) from hardware: 0x00000000
Read register 'r10' (4 bytes) from hardware: 0x00000000
Read register 'r11' (4 bytes) from hardware: 0x00000000
Read register 'r12' (4 bytes) from hardware: 0x00000000
Read register 'sp' (4 bytes) from hardware: 0x00000000
Read register 'lr' (4 bytes) from hardware: 0x00000000
Read register 'pc' (4 bytes) from hardware: 0x00000000
Read register 'xpsr' (4 bytes) from hardware: 0x00000001
Read 4 bytes @ address 0x00000000 (Data = 0x4C06B510)
Read 2 bytes @ address 0x00000000 (Data = 0xB510)
Received monitor command: speed 1000
Target inte**ce speed set to 1000 kHz
Received monitor command: clrbp
Received monitor command: reset 2
Resets core & peripherals using RESET pin.
Received monitor command: halt
Halting target CPU...
...Target halted (PC = 0x2B007822)
Received monitor command: regs
R0 = 00000000, R1 = 00000000, R2 = 00400000, R3 = 00400000
R4 = FFFFFFFE, R5 = FFFFDFD7, R6 = FFEFEFB7, R7 = FBFDDFFF
R8 = 7EFDFEFF, R9 = 200001CC, R10= FF9FFFFF, R11= FFFFFDFF
R12= 00000200, R13= 4C06B510, MSP= 4C06B510, PSP= 2FFFFF7C
R14(LR) = FFFFFFF9, R15(PC) = 2B007822
XPSR C1000000, APSR C0000000, EPSR 01000000, IPSR 00000000
CFBP 00000000, CONTROL 00, FAULTMASK 00, BASEPRI 00, PRIMASK 00
Security extension regs:
MSP_S = 00000000, MSPLIM_S = 00000000
PSP_S = 00000000, PSPLIM_S = 00000000
MSP_NS = 4C06B510, MSPLIM_NS = 00000000
PSP_NS = 2FFFFF7C, PSPLIM_NS = 00000000
CONTROL_S 00, FAULTMASK_S 00, BASEPRI_S 00, PRIMASK_S 00
CONTROL_NS 00, FAULTMASK_NS 00, BASEPRI_NS 00, PRIMASK_NS 00
Reading common registers: Read register 'r0' (4 bytes) from hardware: 0x00000000
Read register 'r1' (4 bytes) from hardware: 0x00000000
Read register 'r2' (4 bytes) from hardware: 0x00004000
Read register 'r3' (4 bytes) from hardware: 0x00004000
Read register 'r4' (4 bytes) from hardware: 0xFEFFFFFF
Read register 'r5' (4 bytes) from hardware: 0xD7DFFFFF
Read register 'r6' (4 bytes) from hardware: 0xB7EFEFFF
Read register 'r7' (4 bytes) from hardware: 0xFFDFFDFB
Read register 'r8' (4 bytes) from hardware: 0xFFFEFD7E
Read register 'r9' (4 bytes) from hardware: 0xCC010020
Read register 'r10' (4 bytes) from hardware: 0xFFFF9FFF
Read register 'r11' (4 bytes) from hardware: 0xFFFDFFFF
Read register 'r12' (4 bytes) from hardware: 0x00020000
Read register 'sp' (4 bytes) from hardware: 0x10B5064C
Read register 'lr' (4 bytes) from hardware: 0xF9FFFFFF
Read register 'pc' (4 bytes) from hardware: 0x2278002B
Read register 'xpsr' (4 bytes) from hardware: 0x000000C1
Received monitor command: speed auto
Select auto target inte**ce speed (2000 kHz)
Received monitor command: flash breakpoints 1
Flash breakpoints enabled
Received monitor command: semihosting enable
Semi-hosting enabled (Handle on breakpoint instruction hit)
Received monitor command: semihosting IOClient 1
Semihosting I/O set to TELNET Client
Received monitor command: SWO DisableTarget 0xFFFFFFFF
SWO disabled successfully.
Received monitor command: SWO EnableTarget 0 0 0x1 0
SWO enabled successfully.
Received monitor command: flash erase
Erasing flash (may take a while)...
Comparing flash [....................] Done.
Erasing flash [....................] Done.
Flash erase: O.K.
Flash erase: O.K.
Downloading 356 bytes @ address 0x00000000 - Verified OK
Downloading 4 bytes @ address 0x00000164 - Verified OK
Downloading 8 bytes @ address 0x00000168 - Verified OK
Downloading 4 bytes @ address 0x00000170 - Verified OK
Downloading 1068 bytes @ address 0x00000174 - Verified OK
Writing register 'pc' = 0x00000000
Comparing flash [....................] Done.
Erasing flash [....................] Done.
Programming flash [....................] Done.
Verifying flash [....................] Done.
Read 4 bytes @ address 0x00000000 (Data = 0x4C06B510)
Received monitor command: clrbp
Received monitor command: reset
Resetting target
Received monitor command: halt
Halting target CPU...
...Target halted (PC = 0x2B007822)
Received monitor command: regs
R0 = 00000000, R1 = 00000000, R2 = 00400000, R3 = 00400000
R4 = FFFFFFFE, R5 = FFFFDFD7, R6 = FFEFEFB7, R7 = FBFDDFFF
R8 = 7EFDFEFF, R9 = 200001CC, R10= FF9FFFFF, R11= FFFFFDFF
R12= 00000200, R13= 4C06B510, MSP= 4C06B510, PSP= 2FFFFF7C
R14(LR) = 20000479, R15(PC) = 2B007822
XPSR C1000000, APSR C0000000, EPSR 01000000, IPSR 00000000
CFBP 00000000, CONTROL 00, FAULTMASK 00, BASEPRI 00, PRIMASK 00
Security extension regs:
MSP_S = 00000000, MSPLIM_S = 00000000
PSP_S = 00000000, PSPLIM_S = 00000000
MSP_NS = 4C06B510, MSPLIM_NS = 00000000
PSP_NS = 2FFFFF7C, PSPLIM_NS = 00000000
CONTROL_S 00, FAULTMASK_S 00, BASEPRI_S 00, PRIMASK_S 00
CONTROL_NS 00, FAULTMASK_NS 00, BASEPRI_NS 00, PRIMASK_NS 00
Reading common registers: Read register 'r0' (4 bytes) from hardware: 0x00000000
Read register 'r1' (4 bytes) from hardware: 0x00000000
Read register 'r2' (4 bytes) from hardware: 0x00004000
Read register 'r3' (4 bytes) from hardware: 0x00004000
Read register 'r4' (4 bytes) from hardware: 0xFEFFFFFF
Read register 'r5' (4 bytes) from hardware: 0xD7DFFFFF
Read register 'r6' (4 bytes) from hardware: 0xB7EFEFFF
Read register 'r7' (4 bytes) from hardware: 0xFFDFFDFB
Read register 'r8' (4 bytes) from hardware: 0xFFFEFD7E
Read register 'r9' (4 bytes) from hardware: 0xCC010020
Read register 'r10' (4 bytes) from hardware: 0xFFFF9FFF
Read register 'r11' (4 bytes) from hardware: 0xFFFDFFFF
Read register 'r12' (4 bytes) from hardware: 0x00020000
Read register 'sp' (4 bytes) from hardware: 0x10B5064C
Read register 'lr' (4 bytes) from hardware: 0x79040020
Read register 'pc' (4 bytes) from hardware: 0x2278002B
Read register 'xpsr' (4 bytes) from hardware: 0x000000C1
Starting target CPU...
...Target halted (DBGRQ, PC = 0xFFFFFFFE)
Reading common registers: Read register 'r0' (4 bytes) from hardware: 0x00000000
Read register 'r1' (4 bytes) from hardware: 0x00000000
Read register 'r2' (4 bytes) from hardware: 0x00004000
Read register 'r3' (4 bytes) from hardware: 0x00004000
Read register 'r4' (4 bytes) from hardware: 0xFEFFFFFF
Read register 'r5' (4 bytes) from hardware: 0xD7DFFFFF
Read register 'r6' (4 bytes) from hardware: 0xB7EFEFFF
Read register 'r7' (4 bytes) from hardware: 0xFFDFFDFB
Read register 'r8' (4 bytes) from hardware: 0xFFFEFD7E
Read register 'r9' (4 bytes) from hardware: 0xCC010020
Read register 'r10' (4 bytes) from hardware: 0xFFFF9FFF
Read register 'r11' (4 bytes) from hardware: 0xFFFDFFFF
Read register 'r12' (4 bytes) from hardware: 0x00020000
Read register 'sp' (4 bytes) from hardware: 0xF0B4064C
Read register 'lr' (4 bytes) from hardware: 0xF9FFFFFF
Read register 'pc' (4 bytes) from hardware: 0xFEFFFFFF
Read register 'xpsr' (4 bytes) from hardware: 0x030000C1
WARNING: Failed to read memory @ address 0xFFFFFFFE
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发表于 2024-8-19 09:55:03