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Hi,
I made a short video that makes this behavior clear: https://drive.google.com/open?id=0B5WiEZNPXgbET2NfcTJmY29VRFE
The GDB output of a working debugging session:
C:\SysGCC\arm-eabi\bin\arm-eabi-gdb.exe –interpreter mi C:\EmbeddedProject6\VisualGDB\Debug\EmbeddedProject6
[ 0 ms] -gdb-version
[ 45 ms] =thread-group-added,id=”i1″
[ 45 ms] ~”GNU gdb (GDB) 7.12\n”
[ 45 ms] ~”Copyright (C) 2016 Free Software Foundation, Inc.\n”
[ 46 ms] ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \”show copying\”\nand \”show warranty\” for details.\n”
[ 46 ms] ~”This GDB was configured as \”–host=i686-pc-mingw32 –target=arm-eabi\”.\nType \”show configuration\” for configuration details.”
[ 47 ms] ~”\nFor bug reporting instructions, please see:\n”
[ 47 ms] ~”<http://www.gnu.org/software/gdb/bugs/>.\n”
[ 47 ms] ~”Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n”
[ 47 ms] ~”For help, type \”help\”.\n”
[ 47 ms] ~”Type \”apropos word\” to search for commands related to \”word\”…\n”
[ 49 ms] ~”Reading symbols from C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6…”
[ 51 ms] ~”done.\n”
[ 52 ms] ~”GNU gdb (GDB) 7.12\n”
[ 52 ms] ~”Copyright (C) 2016 Free Software Foundation, Inc.\n”
[ 53 ms] ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \”show copying\”\nand \”show warranty\” for details.\n”
[ 53 ms] ~”This GDB was configured as \”–host=i686-pc-mingw32 –target=arm-eabi\”.\nType \”show configuration\” for configuration details.”
[ 53 ms] ~”\nFor bug reporting instructions, please see:\n”
[ 54 ms] ~”<http://www.gnu.org/software/gdb/bugs/>.\n”
[ 54 ms] ~”Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n”
[ 54 ms] ~”For help, type \”help\”.\n”
[ 54 ms] ~”Type \”apropos word\” to search for commands related to \”word\”.\n”
[ 54 ms] ^done
[ 54 ms] -list-features
[ 55 ms] ^done,features=[“frozen-varobjs”,”pending-breakpoints”,”thread-info”,”data-read-memory-bytes”,”breakpoint-notifications”,”ada-task-info”,”language-option”,”info-gdb-mi-command”,”undefined-command-error-code”,”exec-run-start-option”]
[ 55 ms] -gdb-set disassembly-flavor intel
[ 56 ms] ^error,msg=”No symbol \”disassembly\” in current context.”
[ 56 ms] -gdb-set print demangle off
[ 56 ms] ^done
[ 57 ms] -break-insert -f main
[ 66 ms] ^done,bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″,thread-groups=[“i1″],times=”0″,original-location=”main”}
[ 67 ms] set remotetimeout 60
[ 67 ms] &”set remotetimeout 60\n”
[ 67 ms] =cmd-param-changed,param=”remotetimeout”,value=”60″
[ 67 ms] ^done
[ 67 ms] target remote :1780
[ 67 ms] &”target remote :1780\n”
[ 73 ms] ~”Remote debugging using :1780\n”
[ 80 ms] =thread-group-started,id=”i1″,pid=”42000″
[ 80 ms] =thread-created,id=”1″,group-id=”i1″
[ 87 ms] ~”Reset_Handler () at C:/Users/anders/AppData/Local/VisualGDB/EmbeddedBSPs/arm-eabi/com.sysprogs.arm.stm32/STM32F3xxxx/StartupFiles/startup_stm32f303xe.c:886\n”
[ 87 ms] ~”886\t\tfor (pSource = &_sidata, pDest = &_sdata; pDest != &_edata; pSource++, pDest++)\n”
[ 88 ms] *stopped,frame={addr=”0x08000288″,func=”Reset_Handler”,args=[],file=”C:/Users/anders/AppData/Local/VisualGDB/EmbeddedBSPs/arm-eabi/com.sysprogs.arm.stm32/STM32F3xxxx/StartupFiles/startup_stm32f303xe.c”,fullname=”C:\\Users\\anders\\AppData\\Local\\VisualGDB\\EmbeddedBSPs\\arm-eabi\\com.sysprogs.arm.stm32\\STM32F3xxxx\\StartupFiles\\startup_stm32f303xe.c”,line=”886″},thread-id=”1″,stopped-threads=”all”
[ 89 ms] ^done
[ 89 ms] info shared
[ 99 ms] &”info shared\n”
[ 99 ms] ~”No shared libraries loaded at this time.\n”
[ 99 ms] ^done
[ 99 ms] mon halt
[ 99 ms] &”mon halt\n”
[ 101 ms] ^done
[ 101 ms] mon reset init
[ 102 ms] &”mon reset init\n”
[ 103 ms] @”Unable to match requested speed 1000 kHz, using 950 kHz\n”
[ 104 ms] @”Unable to match requested speed 1000 kHz, using 950 kHz\n”
[ 104 ms] @”adapter speed: 950 kHz\n”
[ 192 ms] @”stm32f3x.cpu: target state: halted\n”
[ 192 ms] @”target halted due to debug-request, current mode: Thread \n”
[ 193 ms] @”xPSR: 0x01000000 pc: 0x08000288 msp: 0x20010000\n”
[ 211 ms] @”Unable to match requested speed 8000 kHz, using 4000 kHz\n”
[ 212 ms] @”Unable to match requested speed 8000 kHz, using 4000 kHz\n”
[ 212 ms] @”adapter speed: 4000 kHz\n”
[ 215 ms] ^done
[ 215 ms] load
[ 215 ms] &”load\n”
[ 377 ms] ~”Loading section .isr_vector, size 0x194 lma 0x8000000\n”
[ 378 ms] +download,{section=”.isr_vector”,section-size=”404″,total-size=”41622″}
[ 378 ms] +download,{section=”.isr_vector”,section-sent=”404″,section-size=”404″,total-sent=”404″,total-size=”41622″}
[ 378 ms] ~”Loading section .text, size 0x870 lma 0x8000194\n”
[ 379 ms] +download,{section=”.text”,section-size=”2160″,total-size=”41622″}
[ 379 ms] ~”Loading section .init_array, size 0x4 lma 0x8000a04\n”
[ 380 ms] +download,{section=”.init_array”,section-size=”4″,total-size=”41622″}
[ 380 ms] ~”Loading section .fini_array, size 0x4 lma 0x8000a08\n”
[ 380 ms] +download,{section=”.fini_array”,section-size=”4″,total-size=”41622″}
[ 381 ms] ~”Loading section .data, size 0x4 lma 0x8000a0c\n”
[ 381 ms] +download,{section=”.data”,section-size=”4″,total-size=”41622″}
[ 634 ms] ~”Start address 0x8000288, load size 2576\n”
[ 639 ms] ~”Transfer rate: 6 KB/sec, 515 bytes/write.\n”
[ 640 ms] ^done
[ 640 ms] -data-evaluate-expression “sizeof(void *)”
[ 640 ms] ^done,value=”4″
[ 640 ms] -data-evaluate-expression “sizeof(int)”
[ 640 ms] ^done,value=”4″
[ 640 ms] ^done,value=”4″
[ 640 ms] -data-evaluate-expression “sizeof(short)”
[ 641 ms] ^done,value=”2″
[ 641 ms] -data-evaluate-expression “sizeof(long)”
[ 651 ms] ^done,value=”4″
[ 651 ms] -data-evaluate-expression “sizeof(long long)”
[ 651 ms] ^done,value=”8″
[ 651 ms] -data-evaluate-expression “sizeof(char)”
[ 652 ms] ^done,value=”1″
[ 652 ms] -data-evaluate-expression “sizeof(wchar_t)”
[ 652 ms] ^error,msg=”No symbol \”wchar_t\” in current context.”
[ 652 ms] -data-evaluate-expression “sizeof(float)”
[ 652 ms] ^done,value=”4″
[ 652 ms] -data-evaluate-expression “sizeof(double)”
[ 653 ms] ^done,value=”8″
[ 653 ms] -data-evaluate-expression “sizeof(long double)”
[ 653 ms] ^done,value=”8″
[ 699 ms] x/32xb 0x20000000
[ 703 ms] &”x/32xb 0x20000000\n”
[ 710 ms] ~”0x20000000 <SystemCoreClock>:\t0x16\t0x68\t0x00\t0x2e\t0x18\t0xd0\t0x55\t0x68\n”
[ 718 ms] ~”0x20000008 <object.6502>:\t0xb5\t0x42\t0xf9\t0xd0\t0x2e\t0x88\t0x26\t0x80\n”
[ 727 ms] ~”0x20000010 <object.6502+8>:\t0x02\t0x35\t0x02\t0x34\t0xc6\t0x68\t0x01\t0x27\n”
[ 736 ms] ~”0x20000018 <object.6502+16>:\t0x3e\t0x42\t0xfb\t0xd1\t0x14\t0x27\t0x3e\t0x42\n”
[ 736 ms] ^done
[ 740 ms] -var-create – * “&(i)”
[ 746 ms] ^done,name=”var1″,numchild=”1″,value=”0x20000028 <i>”,type=”int *”,has_more=”0″
[ 746 ms] -var-create – * “i”
[ 748 ms] ^done,name=”var2″,numchild=”0″,value=”1616196872″,type=”int”,has_more=”0″
[ 1753 ms] -var-create – * “&(j)”
[ 1758 ms] ^done,name=”var3″,numchild=”1″,value=”0x20000024 <j>”,type=”int *”,has_more=”0″
[ 1761 ms] -var-create – * “j”
[ 1779 ms] ^done,name=”var4″,numchild=”0″,value=”1175835393″,type=”int”,has_more=”0″
[ 1784 ms] -var-delete “var1″
[ 1790 ms] ^done,ndeleted=”1”
[ 1790 ms] -var-delete “var2″
[ 1790 ms] ^done,ndeleted=”1”
[ 1790 ms] -var-delete “var3″
[ 1790 ms] ^done,ndeleted=”1″
[ 1811 ms] info target
[ 1820 ms] &”info target\n”
[ 1820 ms] ~”Symbols from \”C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6\”.\n”
[ 1820 ms] ~”Remote serial target in gdb-specific protocol:\n”
[ 1820 ms] ~”Debugging a target over a serial line.\n”
[ 1821 ms] ~”\tWhile running this, GDB does not access memory from…\n”
[ 1821 ms] ~”Local exec file:\n”
[ 1821 ms] ~”\t`C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6′, file type elf32-littlearm.\n”
[ 1821 ms] ~”\tEntry point: 0x8000288\n”
[ 1821 ms] ~”\t0x08000000 – 0x08000194 is .isr_vector\n”
[ 1822 ms] ~”\t0x08000194 – 0x08000a04 is .text\n”
[ 1822 ms] ~”\t0x08000a04 – 0x08000a08 is .init_array\n”
[ 1822 ms] ~”\t0x08000a08 – 0x08000a0c is .fini_array\n”
[ 1822 ms] ~”\t0x20000000 – 0x20000004 is .data\n”
[ 1822 ms] ~”\t0x20000004 – 0x2000002c is .bss\n”
[ 1822 ms] ^done
[ 1856 ms] -data-evaluate-expression “&_estack”
[ 1871 ms] ^done,value=”0x20010000″
[ 1871 ms] -var-create – * “*((void **)0x2000fffc)”
[ 1887 ms] ^done,name=”var5″,numchild=”0″,value=”0x80002b9 <Reset_Handler+48>”,type=”void *”,has_more=”0″
[ 1887 ms] -var-assign “var5″ 0x697f6360
[ 1887 ms] ^done,value=”0x697f6360”
[ 1887 ms] -data-evaluate-expression “\*\(\(void\ \*\*\)0x2000fffc\)”
[ 1887 ms] ^done,value=”0x697f6360″
[ 1887 ms] -exec-continue
[ 1887 ms] ^running
[ 1887 ms] *running,thread-id=”all”
[ 1887 ms] ~”Note: automatically using hardware breakpoints for read-only addresses.\n”
[ 2074 ms] =breakpoint-modified,bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″,thread-groups=[“i1″],times=”1″,original-location=”main”}
[ 2090 ms] ~”\n”
[ 2090 ms] ~”Breakpoint 1, main () at LEDBlink.c:18\n”
[ 2090 ms] ~”18\t\tHAL_Init();\n”
[ 2090 ms] *stopped,reason=”breakpoint-hit”,disp=”keep”,bkptno=”1″,frame={addr=”0x080008d6″,func=”main”,args=[],file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″},thread-id=”1″,stopped-threads=”all”
[ 2090 ms] -stack-list-frames –thread 1
[ 2105 ms] ^done,stack=[frame={level=”0″,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″}]
[ 2105 ms] -stack-list-arguments –thread 1 1
[ 2121 ms] ^done,stack-args=[frame={level=”0″,args=[]}]
[ 2121 ms] -stack-list-frames –thread 1
[ 2137 ms] ^done,stack=[frame={level=”0″,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″}]
[ 2137 ms] -stack-list-arguments –thread 1 1
[ 2137 ms] ^done,stack-args=[frame={level=”0″,args=[]}]
[ 2152 ms] x/32xb 0x20000000
[ 2168 ms] &”x/32xb 0x20000000\n”
[ 2183 ms] ~”0x20000000 <SystemCoreClock>:\t0x00\t0x12\t0x7a\t0x00\t0x00\t0x00\t0x00\t0x00\n”
[ 2199 ms] ~”0x20000008 <object.6502>:\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\n”
[ 2199 ms] ~”0x20000010 <object.6502+8>:\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\n”
[ 2215 ms] ~”0x20000018 <object.6502+16>:\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\t0x00\n”
[ 2215 ms] ^done
[ 4867 ms] -gdb-exit
[ 4882 ms] ^exit
[ 4882 ms] =thread-group-exited,id=”i1″GDB output of a non working session:
C:\SysGCC\arm-eabi\bin\arm-eabi-gdb.exe –interpreter mi C:\EmbeddedProject6\VisualGDB\Debug\EmbeddedProject6
[ 0 ms] -gdb-version
[ 37 ms] =thread-group-added,id=”i1″
[ 37 ms] ~”GNU gdb (GDB) 7.12\n”
[ 38 ms] ~”Copyright (C) 2016 Free Software Foundation, Inc.\n”
[ 38 ms] ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \”show copying\”\nand \”show warranty\” for details.\n”
[ 39 ms] ~”This GDB was configured as \”–host=i686-pc-mingw32 –target=arm-eabi\”.\nType \”show configuration\” for configuration details.”
[ 39 ms] ~”\nFor bug reporting instructions, please see:\n”
[ 39 ms] ~”<http://www.gnu.org/software/gdb/bugs/>.\n”
[ 39 ms] ~”Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n”
[ 40 ms] ~”For help, type \”help\”.\n”
[ 40 ms] ~”Type \”apropos word\” to search for commands related to \”word\”…\n”
[ 41 ms] ~”Reading symbols from C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6…”
[ 42 ms] ~”done.\n”
[ 43 ms] ~”GNU gdb (GDB) 7.12\n”
[ 44 ms] ~”Copyright (C) 2016 Free Software Foundation, Inc.\n”
[ 44 ms] ~”License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \”show copying\”\nand \”show warranty\” for details.\n”
[ 45 ms] ~”This GDB was configured as \”–host=i686-pc-mingw32 –target=arm-eabi\”.\nType \”show configuration\” for configuration details.”
[ 45 ms] ~”\nFor bug reporting instructions, please see:\n”
[ 45 ms] ~”<http://www.gnu.org/software/gdb/bugs/>.\n”
[ 45 ms] ~”Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n”
[ 45 ms] ~”For help, type \”help\”.\n”
[ 45 ms] ~”Type \”apropos word\” to search for commands related to \”word\”.\n”
[ 46 ms] ^done
[ 46 ms] -list-features
[ 46 ms] ^done,features=[“frozen-varobjs”,”pending-breakpoints”,”thread-info”,”data-read-memory-bytes”,”breakpoint-notifications”,”ada-task-info”,”language-option”,”info-gdb-mi-command”,”undefined-command-error-code”,”exec-run-start-option”]
[ 46 ms] -gdb-set disassembly-flavor intel
[ 47 ms] ^error,msg=”No symbol \”disassembly\” in current context.”
[ 47 ms] -gdb-set print demangle off
[ 47 ms] ^done
[ 48 ms] -break-insert -f main
[ 57 ms] ^done,bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″,thread-groups=[“i1″],times=”0″,original-location=”main”}
[ 58 ms] set remotetimeout 60
[ 58 ms] &”set remotetimeout 60\n”
[ 58 ms] =cmd-param-changed,param=”remotetimeout”,value=”60″
[ 58 ms] ^done
[ 58 ms] target remote :1796
[ 58 ms] &”target remote :1796\n”
[ 74 ms] ~”Remote debugging using :1796\n”
[ 81 ms] =thread-group-started,id=”i1″,pid=”42000″
[ 81 ms] =thread-created,id=”1″,group-id=”i1″
[ 88 ms] ~”Reset_Handler () at C:/Users/anders/AppData/Local/VisualGDB/EmbeddedBSPs/arm-eabi/com.sysprogs.arm.stm32/STM32F3xxxx/StartupFiles/startup_stm32f303xe.c:886\n”
[ 89 ms] ~”886\t\tfor (pSource = &_sidata, pDest = &_sdata; pDest != &_edata; pSource++, pDest++)\n”
[ 89 ms] *stopped,frame={addr=”0x08000288″,func=”Reset_Handler”,args=[],file=”C:/Users/anders/AppData/Local/VisualGDB/EmbeddedBSPs/arm-eabi/com.sysprogs.arm.stm32/STM32F3xxxx/StartupFiles/startup_stm32f303xe.c”,fullname=”C:\\Users\\anders\\AppData\\Local\\VisualGDB\\EmbeddedBSPs\\arm-eabi\\com.sysprogs.arm.stm32\\STM32F3xxxx\\StartupFiles\\startup_stm32f303xe.c”,line=”886″},thread-id=”1″,stopped-threads=”all”
[ 89 ms] ^done
[ 89 ms] info shared
[ 99 ms] &”info shared\n”
[ 99 ms] ~”No shared libraries loaded at this time.\n”
[ 99 ms] ^done
[ 99 ms] mon halt
[ 99 ms] &”mon halt\n”
[ 102 ms] ^done
[ 102 ms] mon reset init
[ 102 ms] &”mon reset init\n”
[ 103 ms] @”Unable to match requested speed 1000 kHz, using 950 kHz\n”
[ 104 ms] @”Unable to match requested speed 1000 kHz, using 950 kHz\n”
[ 104 ms] @”adapter speed: 950 kHz\n”
[ 188 ms] @”stm32f3x.cpu: target state: halted\n”
[ 189 ms] @”target halted due to debug-request, current mode: Thread \n”
[ 189 ms] @”xPSR: 0x01000000 pc: 0x08000288 msp: 0x20010000\n”
[ 208 ms] @”Unable to match requested speed 8000 kHz, using 4000 kHz\n”
[ 210 ms] @”Unable to match requested speed 8000 kHz, using 4000 kHz\n”
[ 210 ms] @”adapter speed: 4000 kHz\n”
[ 211 ms] ^done
[ 211 ms] load
[ 211 ms] &”load\n”
[ 362 ms] ~”Loading section .isr_vector, size 0x194 lma 0x8000000\n”
[ 363 ms] +download,{section=”.isr_vector”,section-size=”404″,total-size=”41622″}
[ 363 ms] +download,{section=”.isr_vector”,section-sent=”404″,section-size=”404″,total-sent=”404″,total-size=”41622″}
[ 363 ms] ~”Loading section .text, size 0x870 lma 0x8000194\n”
[ 363 ms] +download,{section=”.text”,section-size=”2160″,total-size=”41622″}
[ 364 ms] ~”Loading section .init_array, size 0x4 lma 0x8000a04\n”
[ 364 ms] +download,{section=”.init_array”,section-size=”4″,total-size=”41622″}
[ 364 ms] ~”Loading section .fini_array, size 0x4 lma 0x8000a08\n”
[ 364 ms] +download,{section=”.fini_array”,section-size=”4″,total-size=”41622″}
[ 365 ms] ~”Loading section .data, size 0x4 lma 0x8000a0c\n”
[ 365 ms] +download,{section=”.data”,section-size=”4″,total-size=”41622″}
[ 598 ms] ~”Start address 0x8000288, load size 2576\n”
[ 603 ms] ~”Transfer rate: 6 KB/sec, 515 bytes/write.\n”
[ 604 ms] ^done
[ 604 ms] -data-evaluate-expression “sizeof(void *)”
[ 604 ms] ^done,value=”4″
[ 604 ms] -data-evaluate-expression “sizeof(int)”
[ 604 ms] ^done,value=”4″
[ 604 ms] -data-evaluate-expression “sizeof(short)”
[ 604 ms] ^done,value=”2″
[ 604 ms] -data-evaluate-expression “sizeof(long)”
[ 605 ms] ^done,value=”4″
[ 605 ms] -data-evaluate-expression “sizeof(long long)”
[ 605 ms] ^done,value=”8″
[ 605 ms] -data-evaluate-expression “sizeof(char)”
[ 605 ms] ^done,value=”1″
[ 605 ms] -data-evaluate-expression “sizeof(wchar_t)”
[ 615 ms] ^error,msg=”No symbol \”wchar_t\” in current context.”
[ 615 ms] -data-evaluate-expression “sizeof(float)”
[ 615 ms] ^done,value=”4″
[ 615 ms] -data-evaluate-expression “sizeof(double)”
[ 616 ms] ^done,value=”8″
[ 616 ms] -data-evaluate-expression “sizeof(long double)”
[ 616 ms] ^done,value=”8″
[ 689 ms] -var-create – * “&(i)”
[ 696 ms] ^done,name=”var1″,numchild=”1″,value=”0x20000028 <i>”,type=”int *”,has_more=”0″
[ 696 ms] -var-create – * “i”
[ 698 ms] ^done,name=”var2″,numchild=”0″,value=”1616196872″,type=”int”,has_more=”0″
[ 698 ms] -var-create – * “&(j)”
[ 708 ms] ^done,name=”var3″,numchild=”1″,value=”0x20000024 <j>”,type=”int *”,has_more=”0″
[ 708 ms] -var-create – * “j”
[ 709 ms] ^done,name=”var4″,numchild=”0″,value=”1175835393″,type=”int”,has_more=”0″
[ 714 ms] info target
[ 720 ms] &”info target\n”
[ 720 ms] ~”Symbols from \”C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6\”.\n”
[ 720 ms] ~”Remote serial target in gdb-specific protocol:\n”
[ 720 ms] ~”Debugging a target over a serial line.\n”
[ 720 ms] ~”\tWhile running this, GDB does not access memory from…\n”
[ 721 ms] ~”Local exec file:\n”
[ 721 ms] ~”\t`C:\\EmbeddedProject6\\VisualGDB\\Debug\\EmbeddedProject6′, file type elf32-littlearm.\n”
[ 721 ms] ~”\tEntry point: 0x8000288\n”
[ 721 ms] ~”\t0x08000000 – 0x08000194 is .isr_vector\n”
[ 721 ms] ~”\t0x08000194 – 0x08000a04 is .text\n”
[ 721 ms] ~”\t0x08000a04 – 0x08000a08 is .init_array\n”
[ 722 ms] ~”\t0x08000a08 – 0x08000a0c is .fini_array\n”
[ 722 ms] ~”\t0x20000000 – 0x20000004 is .data\n”
[ 722 ms] ~”\t0x20000004 – 0x2000002c is .bss\n”
[ 722 ms] ^done
[ 777 ms] -data-evaluate-expression “&_estack”
[ 792 ms] ^done,value=”0x20010000″
[ 792 ms] -var-create – * “*((void **)0x2000fffc)”
[ 792 ms] ^done,name=”var5″,numchild=”0″,value=”0x80002b9 <Reset_Handler+48>”,type=”void *”,has_more=”0″
[ 792 ms] -var-assign “var5″ 0x5c0016b9
[ 808 ms] ^done,value=”0x5c0016b9”
[ 808 ms] -data-evaluate-expression “\*\(\(void\ \*\*\)0x2000fffc\)”
[ 808 ms] ^done,value=”0x5c0016b9″
[ 808 ms] -exec-continue
[ 824 ms] ^running
[ 824 ms] *running,thread-id=”all”
[ 824 ms] ~”Note: automatically using hardware breakpoints for read-only addresses.\n”
[ 1011 ms] =breakpoint-modified,bkpt={number=”1″,type=”breakpoint”,disp=”keep”,enabled=”y”,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″,thread-groups=[“i1″],times=”1″,original-location=”main”}
[ 1011 ms] ~”\n”
[ 1011 ms] ~”Breakpoint 1, main () at LEDBlink.c:18\n”
[ 1011 ms] ~”18\t\tHAL_Init();\n”
[ 1011 ms] *stopped,reason=”breakpoint-hit”,disp=”keep”,bkptno=”1″,frame={addr=”0x080008d6″,func=”main”,args=[],file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″},thread-id=”1″,stopped-threads=”all”
[ 1026 ms] -stack-list-frames –thread 1
[ 1042 ms] ^done,stack=[frame={level=”0″,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″}]
[ 1042 ms] -stack-list-arguments –thread 1 1
[ 1042 ms] ^done,stack-args=[frame={level=”0″,args=[]}]
[ 1042 ms] -stack-list-frames –thread 1
[ 1058 ms] ^done,stack=[frame={level=”0″,addr=”0x080008d6″,func=”main”,file=”LEDBlink.c”,fullname=”C:\\EmbeddedProject6\\EmbeddedProject6\\LEDBlink.c”,line=”18″}]
[ 1058 ms] -stack-list-arguments –thread 1 1
[ 1073 ms] ^done,stack-args=[frame={level=”0″,args=[]}]
[ 9638 ms] -gdb-exit
[ 9653 ms] ^exit
[ 9653 ms] =thread-group-exited,id=”i1″Hi,
thank you for the quick response. The variables are in the global scope in a C project and VisualGDB finds them everytime I start a debugging session, but when in the last debugging session a memory window with live memory was active and the session was stopped and started again the variables are not visible. When I then disable the Live Memory Engine in the memory window, stop the debugging session and start it again the variables become visible again.
