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C++ new operator receives incorrect size

Mike Rhodes
Prodigy 190 points

Other Parts Discussed in Thread: EK-TM4C1294XL, TM4C1294NCPDT

I'm using CCS Version: 6.0.1.00040 building an application for execution on TM4C129NCPDT silicon.  The project's attributes have the Heap is defined as 64KB and Stack is set to 16KB.

Attempts to create an instance of the class using new (e.g., MyClass* pMyClass = new MyClass;) returns null because the size being passed by the compiler to "void *operator new(size_t size) THROW(STD_NAMESPACE::bad_alloc)"  is way too big (the value is WAY larger than the entire executable!).

If I try to create the instance on the stack as:

MyClass MyClassInstance;

The following error output is dumped to the console:

'Invoking: ARM Compiler'
"c:/ti/ccsv6/tools/compiler/arm_5.1.6/bin/armcl" -mv7M4 --code_state=16 --float_support=FPv4SPD16 --abi=eabi -me -Ooff --include_path="c:/ti/ccsv6/tools/compiler/arm_5.1.6/include" --include_path="C:/Users/rhodes/workspace_v6_0/ParcelSysCtrl" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/examples/boards/ek-tm4c1294xl" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/third_party/lwip-1.4.1/src/include" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/third_party/lwip-1.4.1/src/include/ipv4" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/third_party/lwip-1.4.1/ports/tiva-tm4c129/include" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/third_party/lwip-1.4.1/apps" --include_path="C:/ti/TivaWare_C_Series-2.1.1.71/third_party" -g --gcc --define=ccs="ccs" --define=PART_TM4C1294NCPDT --define=TARGET_IS_TM4C129_RA0 --display_error_number --diag_warning=225 --diag_wrap=off --gen_func_subsections=on --ual --preproc_with_compile --preproc_dependency="main.pp" "../main.cpp"
>> INTERNAL ERROR: Space required for local variables exceeds maximum in main

This may be a serious problem. Please contact customer support with a
description of this problem and a sample of the source files that caused this
INTERNAL ERROR message to appear.

Cannot continue compilation - ABORTING!


>> Compilation failure
gmake: *** [main.obj] Error 1

I cannot understand why the size of the class is so far out from reality - can anyone point me in the right direction for enabling the correct compiler option(s) to make this work?

Thanks!

Mike 

  • Guru 92251 points

    Mike Rhodes said:
    If I try to create the instance on the stack as:

    MyClass MyClassInstance;

    The following error output is dumped to the console

    Can you show the definition of MyClass?

  • in reply to Chester Gillon
    Prodigy 190 points

    Hi Chester,

    The class hierarchy begins with a base class ("Socket")  which simply encapsulates the lwIP network stack calls.  Next the XTP class (header below) derives from Socket, implements a simple message protocol, and finally, the HVPS class derived from the XTP class implements the operational aspects of this component. I've included the link map below and you can see none of these elements are that big - although a call to operator new of HVPS supplies a huge allocation size - which makes no sense.  The size the new operator receives is not the address of the object or anything I can find related to the object hierarchy when examined with the debugger.

    Thanks for any insights you can provide.

    class XTP : public Socket
    {
    public:
    XTP();
    virtual ~XTP();

    // Transmitter methods
    virtual bool Send(XTPMSGTYPE &oMsgType, void* pBuffer, uint32_t ui32Length);
    virtual bool Send(XTPMSG* pMsg);

    // Receiver methods
    bool IsMsgComplete();
    uint32_t GetMsgLength();
    uint16_t GetMsgType();
    uint8_t* GetMsg();
    uint8_t GetByte(uint32_t ui32Offset);
    uint8_t GetNextByte();
    uint16_t GetWord(uint32_t ui32Offset);
    uint16_t GetNextWord();
    uint32_t GetLong(uint32_t ui32Offset);
    uint32_t GetNextLong();
    uint64_t GetQuad(uint32_t ui32Offset);
    uint64_t GetNextQuad();

    protected:
    using Socket::Send; // Inform the compiler we're using and overloading this method.
    virtual void OnMessage() = 0;
    virtual uint32_t ProcessHeader(uint8_t* pNewData, uint32_t ui32Length);
    virtual void ProcessPayload(uint8_t* pNewData, uint32_t ui32Length);
    static void AssembleMsg(uint8_t* pNewData, uint32_t ui32Length, void* pParam);
    void ResetMsg();
    void ResetContext() { m_ui32Context = 0; }

    private:
    XTP_STATES m_eState;
    uint32_t m_ui32Cursor;
    uint32_t m_ui32MsgLength;
    uint32_t m_ui32Context;
    XTPMSGTYPE m_oMsgType;
    XTPMSG m_oMessage;
    XTPMSG m_oMsgToSend;
    };

    class HVPS: public XTP
    {
    public:
    HVPS();
    HVPS(uint32_t ui32TcpPort);
    virtual ~HVPS();

    protected:
    virtual void OnMessage();
    uint32_t StartSocket();

    private:
    uint32_t m_ui32TcpPort;
    };

    ******************************************************************************
    TI ARM Linker PC v5.1.6
    ******************************************************************************
    >> Linked Thu Jan 21 16:04:44 2016

    OUTPUT FILE NAME: <ParcelSysCtrl.out>
    ENTRY POINT SYMBOL: "_c_int00" address: 0000a435


    MEMORY CONFIGURATION

    name origin length used unused attr fill
    ---------------------- -------- --------- -------- -------- ---- --------
    FLASH 00000000 00100000 0000bc1a 000f43e6 R X
    SRAM 20000000 00040000 0002bc80 00014380 RW X


    SEGMENT ALLOCATION MAP

    run origin load origin length init length attrs members
    ---------- ----------- ---------- ----------- ----- -------
    00000000 00000000 0000bc20 0000bc20 r-x
    00000000 00000000 00000200 00000200 r-- .intvecs
    00000200 00000200 0000b362 0000b362 r-x .text
    0000b564 0000b564 00000644 00000644 r-- .const
    0000bba8 0000bba8 0000000c 0000000c r-- .init_array
    0000bbb8 0000bbb8 00000068 00000068 r-- .cinit
    20000000 20000000 0002bc80 00000000 rw-
    20000000 20000000 00017bf0 00000000 rw- .bss
    20017bf0 20017bf0 00010000 00000000 rw- .sysmem
    20027bf0 20027bf0 00004000 00000000 rw- .stack
    2002bbf0 2002bbf0 00000090 00000000 rw- .data


    SECTION ALLOCATION MAP

    output attributes/
    section page origin length input sections
    -------- ---- ---------- ---------- ----------------
    .intvecs 0 00000000 00000200
    00000000 00000200 startup_ccs.obj (.intvecs)

    .text 0 00000200 0000b362
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    0000783c 000000c0 lwiplib.obj (.text:etharp_tmr)
    000078fc 000000c0 lwiplib.obj (.text:netif_set_ipaddr)
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    00007a7c 000000be lwiplib.obj (.text:dhcp_timeout)
    00007b3a 00000002 startup_ccs.obj (.text:NmiSR)
    00007b3c 000000bc lwiplib.obj (.text:dhcp_handle_ack)
    00007bf8 000000bc lwiplib.obj (.text:lwIPLinkDetect)
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    00007e2c 000000bc lwiplib.obj (.text:tcp_process_refused_data)
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    000085d4 000000ac lwiplib.obj (.text:tcp_output_alloc_header)
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    000087d0 000000a8 lwiplib.obj (.text:tivaif_process_transmit)
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    000089b8 000000a0 lwiplib.obj (.text:tcp_pcb_remove)
    00008a58 000000a0 lwiplib.obj (.text:tivaif_process_phy_interrupt)
    00008af8 0000009c rtsv7M4_T_le_v4SPD16_eabi.lib : memcpy_t2.obj (.text)
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    00008d54 0000008e lwiplib.obj (.text:tcp_rexmit_fast)
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    00008de4 0000008c Timestamp.obj (.text:_ZN9TimestampC1Ev)
    00008e70 0000008c lwiplib.obj (.text:udp_connect)
    00008efc 00000088 lwiplib.obj (.text:mem_free)
    00008f84 00000088 lwiplib.obj (.text:tcp_fasttmr)
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    00009090 00000084 lwiplib.obj (.text:lwIPPrivateInit)
    00009114 00000084 lwiplib.obj (.text:netif_add)
    00009198 00000084 lwiplib.obj (.text:tcp_kill_prio)
    0000921c 00000080 lwiplib.obj (.text:etharp_output_to_arp_index)
    0000929c 00000080 main.obj (.text:main)
    0000931c 0000007c lwiplib.obj (.text:autoip_start_probing)
    00009398 0000007c lwiplib.obj (.text:mem_init)
    00009414 0000007c lwiplib.obj (.text:tcp_rexmit)
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    00009580 00000074 uartstdio.obj (.text:UARTStdioConfig)
    000095f4 00000074 lwiplib.obj (.text:autoip_create_addr)
    00009668 00000074 lwiplib.obj (.text:tcp_update_rcv_ann_wnd)
    000096dc 00000072 lwiplib.obj (.text:dhcp_option_long)
    0000974e 00000002 lwiplib.obj (.text:tcp_init)
    00009750 0000006c main.obj (.text:_Z12StartNetworkhPh)
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    00009968 00000068 Signals.obj (.text:_ZN7Signals3SetE6Signalb)
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    00009a38 00000068 lwiplib.obj (.text:tivaif_check_pbuf)
    00009aa0 00000066 lwiplib.obj (.text:tcp_send_empty_ack)
    00009b06 00000002 --HOLE-- [fill = 0]
    00009b08 00000064 lwiplib.obj (.text:etharp_cleanup_netif)
    00009b6c 00000062 lwiplib.obj (.text:dhcp_network_changed)
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    00009c2c 0000005c uartstdio.obj (.text:UARTwrite)
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    00009d98 00000058 lwiplib.obj (.text:tcp_keepalive)
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    00009fa0 00000054 lwiplib.obj (.text:tcp_kill_timewait)
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    0000a098 00000050 driverlib.lib : sysctl.obj (.text:SysCtlPeripheralReset)
    0000a0e8 00000050 main.obj (.text:_Z13PerformBITFITv)
    0000a138 00000050 lwiplib.obj (.text:dhcp_coarse_tmr)
    0000a188 00000050 lwiplib.obj (.text:sys_timeouts_init)
    0000a1d8 00000050 lwiplib.obj (.text:tcp_rexmit_rto)
    0000a228 0000004e Signals.obj (.text:_ZN7Signals6ToggleE6Signal)
    0000a276 00000002 --HOLE-- [fill = 0]
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    0000a2c4 0000004c lwiplib.obj (.text:ip_output)
    0000a310 0000004a lwiplib.obj (.text:tcp_eff_send_mss)
    0000a35a 00000002 --HOLE-- [fill = 0]
    0000a35c 00000048 driverlib.lib : sysctl.obj (.text:_SysCtlFrequencyGet)
    0000a3a4 00000048 lwiplib.obj (.text:dhcp_check)
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    0000a434 00000048 rtsv7M4_T_le_v4SPD16_eabi.lib : boot.obj (.text)
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    0000a4c4 00000046 lwiplib.obj (.text:pbuf_cat)
    0000a50a 00000002 --HOLE-- [fill = 0]
    0000a50c 00000044 main.obj (.text:_Z16DisplayIPAddressj)
    0000a550 00000044 lwiplib.obj (.text:dhcp_option_short)
    0000a594 00000044 lwiplib.obj (.text:etharp_send_ip)
    0000a5d8 00000044 rtsv7M4_T_le_v4SPD16_eabi.lib : cpy_tbl.obj (.text)
    0000a61c 00000044 : exit.obj (.text)
    0000a660 00000044 lwiplib.obj (.text:tivaif_init)
    0000a6a4 00000042 rtsv7M4_T_le_v4SPD16_eabi.lib : u_divt2.obj (.text)
    0000a6e6 00000002 --HOLE-- [fill = 0]
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    0000a766 00000002 --HOLE-- [fill = 0]
    0000a768 0000003c SysClock.obj (.text:_ZN8SysClock3SetEj)
    0000a7a4 0000003c lwiplib.obj (.text:autoip_arp_probe)
    0000a7e0 0000003c lwiplib.obj (.text:autoip_bind)
    0000a81c 0000003c lwiplib.obj (.text:dhcp_handle_nak)
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    0000a942 00000002 --HOLE-- [fill = 0]
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    0000aacc 00000034 driverlib.lib : emac.obj (.text:EMACConfigSet)
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    0000abf2 0000002e lwiplib.obj (.text:pbuf_clen)
    0000ac20 0000002c driverlib.lib : emac.obj (.text:EMACIntStatus)
    0000ac4c 0000002c main.obj (.text:_Z4Waitj)
    0000ac78 0000002c lwiplib.obj (.text:lwip_htonl)
    0000aca4 0000002a driverlib.lib : gpio.obj (.text:GPIODirModeSet)
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    0000acf8 0000002a lwiplib.obj (.text:dhcp_t2_timeout)
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    0000ad4c 0000002a lwiplib.obj (.text:tcp_seg_copy)
    0000ad76 00000002 --HOLE-- [fill = 0]
    0000ad78 00000028 lwiplib.obj (.text:lwIPTimer)
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    0000adc6 00000026 : emac.obj (.text:EMACPHYWrite)
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    0000ae58 00000024 lwiplib.obj (.text:dhcp_delete_msg)
    0000ae7c 00000024 lwiplib.obj (.text:dhcp_option_byte)
    0000aea0 00000024 lwiplib.obj (.text:lwip_htons)
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    0000af4c 00000020 Signals.obj (.text:_ZN7SignalsC1Ev)
    0000af6c 00000020 Timestamp.obj (.text:_ZN9Timestamp3IncEv)
    0000af8c 00000020 Signals.obj (.text:__sti___11_Signals_cpp_2bf3c9d2)
    0000afac 00000020 SysClock.obj (.text:__sti___12_SysClock_cpp_260ffe5b)
    0000afcc 00000020 Timestamp.obj (.text:__sti___13_Timestamp_cpp_8eaa6ea9)
    0000afec 00000020 lwiplib.obj (.text:autoip_network_changed)
    0000b00c 00000020 lwiplib.obj (.text:lwip_init)
    0000b02c 00000020 lwiplib.obj (.text:pbuf_pool_is_empty)
    0000b04c 00000020 lwiplib.obj (.text:tcp_close)
    0000b06c 00000020 lwiplib.obj (.text:tcp_seg_free)
    0000b08c 00000020 lwiplib.obj (.text:tcp_segs_free)
    0000b0ac 00000020 lwiplib.obj (.text:tcp_tmr)
    0000b0cc 0000001e driverlib.lib : emac.obj (.text:EMACAddrGet)
    0000b0ea 00000002 --HOLE-- [fill = 0]
    0000b0ec 0000001c : sysctl.obj (.text:_SysCtlMemTimingGet)
    0000b108 0000001c lwiplib.obj (.text:arp_timer)
    0000b124 0000001c lwiplib.obj (.text:dhcp_timer_coarse)
    0000b140 0000001c lwiplib.obj (.text:dhcp_timer_fine)
    0000b15c 0000001c lwiplib.obj (.text:lwIPLocalIPAddrGet)
    0000b178 0000001c lwiplib.obj (.text:netif_set_default)
    0000b194 0000001c lwiplib.obj (.text:netif_set_gw)
    0000b1b0 0000001c lwiplib.obj (.text:netif_set_netmask)
    0000b1cc 0000001c lwiplib.obj (.text:sys_arch_unprotect)
    0000b1e8 0000001c lwiplib.obj (.text:tcp_next_iss)
    0000b204 0000001a lwiplib.obj (.text:udp_recv)
    0000b21e 00000018 driverlib.lib : gpio.obj (.text:GPIOPinTypeGPIOOutput)
    0000b236 00000018 Signals.obj (.text:_ZN7Signals5ClearE6Signal)
    0000b24e 00000002 --HOLE-- [fill = 0]
    0000b250 00000018 lwiplib.obj (.text:autoip_timer)
    0000b268 00000018 lwiplib.obj (.text:inet_chksum)
    0000b280 00000018 rtsv7M4_T_le_v4SPD16_eabi.lib : args_main.obj (.text)
    0000b298 00000016 driverlib.lib : emac.obj (.text:EMACReset)
    0000b2ae 00000016 : emac.obj (.text:EMACRxEnable)
    0000b2c4 00000016 : emac.obj (.text:EMACTxEnable)
    0000b2da 00000016 Signals.obj (.text:_ZN7Signals13IsValidSignalE6Signal)
    0000b2f0 00000016 Signals.obj (.text:_ZN7SignalsD0Ev)
    0000b306 00000016 SysClock.obj (.text:_ZN8SysClockD0Ev)
    0000b31c 00000016 Timestamp.obj (.text:_ZN9TimestampD0Ev)
    0000b332 00000016 lwiplib.obj (.text:autoip_restart)
    0000b348 00000016 lwiplib.obj (.text:autoip_stop)
    0000b35e 00000016 lwiplib.obj (.text:icmp_dest_unreach)
    0000b374 00000016 lwiplib.obj (.text:pbuf_chain)
    0000b38a 00000002 --HOLE-- [fill = 0]
    0000b38c 00000014 driverlib.lib : systick.obj (.text:SysTickDisable)
    0000b3a0 00000014 : systick.obj (.text:SysTickEnable)
    0000b3b4 00000014 : systick.obj (.text:SysTickIntDisable)
    0000b3c8 00000014 : systick.obj (.text:SysTickIntEnable)
    0000b3dc 00000014 rtsv7M4_T_le_v4SPD16_eabi.lib : _lock.obj (.text)
    0000b3f0 00000012 driverlib.lib : gpio.obj (.text:GPIOPinTypeEthernetLED)
    0000b402 00000012 Timestamp.obj (.text:_ZN9Timestamp19GetCurrentTimestampEv)
    0000b414 00000012 rtsv7M4_T_le_v4SPD16_eabi.lib : copy_zero_init.obj (.text:decompress:ZI)
    0000b426 00000002 --HOLE-- [fill = 0]
    0000b428 00000010 driverlib.lib : emac.obj (.text:EMACFrameFilterSet)
    0000b438 00000010 : interrupt.obj (.text:IntMasterEnable)
    0000b448 00000010 : systick.obj (.text:SysTickPeriodSet)
    0000b458 00000010 main.obj (.text:_Z17InitializeLEDPinsv)
    0000b468 00000010 Timestamp.obj (.text:_ZN9Timestamp19GetHighResTimestampEv)
    0000b478 00000010 lwiplib.obj (.text:lwip_ntohs)
    0000b488 00000010 lwiplib.obj (.text:sys_arch_protect)
    0000b498 0000000e SysClock.obj (.text:_ZN8SysClock3GetEv)
    0000b4a6 0000000e rtsv7M4_T_le_v4SPD16_eabi.lib : copy_decompress_none.obj (.text:decompress:none)
    0000b4b4 0000000e lwiplib.obj (.text:tcp_abort)
    0000b4c2 0000000c driverlib.lib : cpu.obj (.text:CPUcpsie)
    0000b4ce 00000002 --HOLE-- [fill = 0]
    0000b4d0 0000000c : sysctl.obj (.text:SysCtlMOSCConfigSet)
    0000b4dc 0000000c Signals.obj (.text:_ZN7SignalsD1Ev)
    0000b4e8 0000000c SysClock.obj (.text:_ZN8SysClockD1Ev)
    0000b4f4 0000000c Timestamp.obj (.text:_ZN9TimestampD1Ev)
    0000b500 0000000c lwiplib.obj (.text:lwip_ntohl)
    0000b50c 0000000c lwiplib.obj (.text:sys_now)
    0000b518 0000000a SysClock.obj (.text:SysTickIntHandler)
    0000b522 00000008 driverlib.lib : emac.obj (.text:EMACTxDMAPollDemand)
    0000b52a 00000008 rtsv7M4_T_le_v4SPD16_eabi.lib : delete.obj (.text)
    0000b532 00000006 driverlib.lib : emac.obj (.text:EMACRxDMADescriptorListSet)
    0000b538 00000006 : emac.obj (.text:EMACTimestampIntStatus)
    0000b53e 00000006 : emac.obj (.text:EMACTxDMADescriptorListSet)
    0000b544 00000006 : gpio.obj (.text:GPIOPinRead)
    0000b54a 00000006 : gpio.obj (.text:GPIOPinWrite)
    0000b550 00000006 startup_ccs.obj (.text:ResetISR)
    0000b556 00000006 driverlib.lib : sysctl.obj (.text:SysCtlDelay)
    0000b55c 00000006 rtsv7M4_T_le_v4SPD16_eabi.lib : copy_decompress_rle.obj (.text:decompress:rle24)

    .const 0 0000b564 00000644
    0000b564 00000120 driverlib.lib : sysctl.obj (.const:g_pppui32XTALtoVCO)
    0000b684 0000009c : interrupt.obj (.const:g_pui32Regs)
    0000b720 0000008a lwiplib.obj (.const:.string)
    0000b7aa 00000002 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTSe)
    0000b7ac 00000070 driverlib.lib : interrupt.obj (.const)
    0000b81c 0000006c : sysctl.obj (.const:g_pui32Xtals)
    0000b888 00000044 lwiplib.obj (.const)
    0000b8cc 00000030 driverlib.lib : sysctl.obj (.const:g_sXTALtoMEMTIM)
    0000b8fc 00000028 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTSN10__cxxabiv123__fundamental_type_infoE)
    0000b924 00000028 Signals.obj (.const:_ZTV7Signals)
    0000b94c 00000025 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTSN10__cxxabiv120__si_class_type_infoE)
    0000b971 00000024 : typeinfo_.obj (.const:.typeinfo:_ZTSN10__cxxabiv119__pointer_type_infoE)
    0000b995 00000022 : typeinfo_.obj (.const:.typeinfo:_ZTSN10__cxxabiv117__class_type_infoE)
    0000b9b7 00000022 : typeinfo_.obj (.const:.typeinfo:_ZTSN10__cxxabiv117__pbase_type_infoE)
    0000b9d9 00000003 --HOLE-- [fill = 0]
    0000b9dc 00000020 main.obj (.const)
    0000b9fc 0000001c Timestamp.obj (.const:_ZTV9Timestamp)
    0000ba18 0000001c uartstdio.obj (.const)
    0000ba34 0000001c ustdlib.obj (.const)
    0000ba50 00000018 SysClock.obj (.const:_ZTV8SysClock)
    0000ba68 00000018 driverlib.lib : emac.obj (.const)
    0000ba80 00000012 uartstdio.obj (.const:.string)
    0000ba92 00000002 --HOLE-- [fill = 0]
    0000ba94 00000012 ustdlib.obj (.const:.string)
    0000baa6 00000010 main.obj (.const:.string)
    0000bab6 00000002 --HOLE-- [fill = 0]
    0000bab8 00000010 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTIPKe)
    0000bac8 00000010 : typeinfo_.obj (.const:_ZTVN10__cxxabiv117__class_type_infoE)
    0000bad8 00000010 : typeinfo_.obj (.const:_ZTVN10__cxxabiv119__pointer_type_infoE)
    0000bae8 00000010 : typeinfo_.obj (.const:_ZTVN10__cxxabiv120__si_class_type_infoE)
    0000baf8 00000010 : typeinfo_.obj (.const:_ZTVN10__cxxabiv123__fundamental_type_infoE)
    0000bb08 0000000d : typeinfo_.obj (.const:.typeinfo:_ZTSSt9type_info)
    0000bb15 00000003 --HOLE-- [fill = 0]
    0000bb18 0000000c : typeinfo_.obj (.const:.typeinfo:_ZTIN10__cxxabiv117__class_type_infoE)
    0000bb24 0000000c : typeinfo_.obj (.const:.typeinfo:_ZTIN10__cxxabiv117__pbase_type_infoE)
    0000bb30 0000000c : typeinfo_.obj (.const:.typeinfo:_ZTIN10__cxxabiv119__pointer_type_infoE)
    0000bb3c 0000000c : typeinfo_.obj (.const:.typeinfo:_ZTIN10__cxxabiv120__si_class_type_infoE)
    0000bb48 0000000c : typeinfo_.obj (.const:.typeinfo:_ZTIN10__cxxabiv123__fundamental_type_infoE)
    0000bb54 0000000b Timestamp.obj (.const:.typeinfo:_ZTS9Timestamp)
    0000bb5f 0000000a SysClock.obj (.const:.typeinfo:_ZTS8SysClock)
    0000bb69 00000009 Signals.obj (.const:.typeinfo:_ZTS7Signals)
    0000bb72 00000002 --HOLE-- [fill = 0]
    0000bb74 00000008 Signals.obj (.const:.typeinfo:_ZTI7Signals)
    0000bb7c 00000008 SysClock.obj (.const:.typeinfo:_ZTI8SysClock)
    0000bb84 00000008 Timestamp.obj (.const:.typeinfo:_ZTI9Timestamp)
    0000bb8c 00000008 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTISt9type_info)
    0000bb94 00000008 : typeinfo_.obj (.const:.typeinfo:_ZTIe)
    0000bb9c 00000008 driverlib.lib : sysctl.obj (.const)
    0000bba4 00000004 rtsv7M4_T_le_v4SPD16_eabi.lib : typeinfo_.obj (.const:.typeinfo:_ZTSPKe)

    .init_array
    * 0 0000bba8 0000000c
    0000bba8 00000004 Signals.obj (.init_array)
    0000bbac 00000004 SysClock.obj (.init_array)
    0000bbb0 00000004 Timestamp.obj (.init_array)

    .cinit 0 0000bbb8 00000068
    0000bbb8 00000044 (.cinit..data.load) [load image, compression = rle]
    0000bbfc 0000000c (__TI_handler_table)
    0000bc08 00000008 (.cinit..bss.load) [load image, compression = zero_init]
    0000bc10 00000010 (__TI_cinit_table)

    .bss 0 20000000 00017bf0 UNINITIALIZED
    20000000 0001001c lwiplib.obj (.bss:ram_heap)
    2001001c 000072d4 lwiplib.obj (.bss:memp_memory)
    200172f0 00000360 lwiplib.obj (.bss:g_pTxDescriptors)
    20017650 0000014c Signals.obj (.bss:_ZN7Signals8InstanceE)
    2001779c 00000120 lwiplib.obj (.bss:g_pRxDescriptors)
    200178bc 00000120 lwiplib.obj (.bss:lwip_stats)
    200179dc 000000c8 lwiplib.obj (.bss:arp_table)
    20017aa4 00000038 lwiplib.obj (.bss:g_sNetIF)
    20017adc 00000028 lwiplib.obj (.bss:dhcp_rx_options_val)
    20017b04 00000020 (.common:memp_tab)
    20017b24 00000004 (.common:_ZSt16__dummy_typeinfo)
    20017b28 00000010 Timestamp.obj (.bss)
    20017b38 00000010 (.common:inseg)
    20017b48 0000000c (.common:dhcp_rx_options_given)
    20017b54 00000008 SysClock.obj (.bss)
    20017b5c 00000004 (.common:__dso_handle)
    20017b60 00000004 (.common:ackno)
    20017b64 00000004 (.common:current_header)
    20017b68 00000004 (.common:current_iphdr_dest)
    20017b6c 00000004 (.common:current_iphdr_src)
    20017b70 00000004 (.common:current_netif)
    20017b74 00000004 (.common:g_pfnTimerHandler)
    20017b78 00000004 (.common:g_ui32AbnormalInts)
    20017b7c 00000004 (.common:g_ui32GWAddr)
    20017b80 00000004 (.common:g_ui32IPAddr)
    20017b84 00000004 (.common:g_ui32IPAddress)
    20017b88 00000004 (.common:g_ui32NetMask)
    20017b8c 00000004 (.common:g_ui32NormalInts)
    20017b90 00000004 (.common:iphdr)
    20017b94 00000004 (.common:lfree)
    20017b98 00000004 (.common:netif_default)
    20017b9c 00000004 (.common:netif_list)
    20017ba0 00000004 (.common:next_timeout)
    20017ba4 00000004 (.common:ram)
    20017ba8 00000004 (.common:ram_end)
    20017bac 00000004 (.common:raw_pcbs)
    20017bb0 00000004 (.common:recv_data)
    20017bb4 00000004 (.common:seqno)
    20017bb8 00000004 (.common:tcp_active_pcbs)
    20017bbc 00000004 (.common:tcp_bound_pcbs)
    20017bc0 00000004 (.common:tcp_input_pcb)
    20017bc4 00000004 (.common:tcp_listen_pcbs)
    20017bc8 00000004 (.common:tcp_ticks)
    20017bcc 00000004 (.common:tcp_tmp_pcb)
    20017bd0 00000004 (.common:tcp_tw_pcbs)
    20017bd4 00000004 (.common:tcphdr)
    20017bd8 00000004 (.common:tcpip_tcp_timer_active)
    20017bdc 00000004 (.common:timeouts_last_time)
    20017be0 00000004 (.common:udp_pcbs)
    20017be4 00000002 (.common:ip_id)
    20017be6 00000002 (.common:tcplen)
    20017be8 00000001 (.common:etharp_cached_entry)
    20017be9 00000001 (.common:flags)
    20017bea 00000001 (.common:netif_num)
    20017beb 00000001 (.common:pbuf_free_ooseq_pending)
    20017bec 00000001 (.common:recv_flags)
    20017bed 00000001 (.common:tcp_active_pcbs_changed)
    20017bee 00000001 (.common:tcp_timer)
    20017bef 00000001 (.common:tcp_timer_ctr)

    .sysmem 0 20017bf0 00010000 UNINITIALIZED
    20017bf0 00000008 rtsv7M4_T_le_v4SPD16_eabi.lib : memory.obj (.sysmem)
    20017bf8 0000fff8 --HOLE--

    .stack 0 20027bf0 00004000 UNINITIALIZED
    20027bf0 00004000 --HOLE--

    .data 0 2002bbf0 00000090 UNINITIALIZED
    2002bbf0 00000064 lwiplib.obj (.data)
    2002bc54 0000000c rtsv7M4_T_le_v4SPD16_eabi.lib : memory.obj (.data)
    2002bc60 00000008 : _lock.obj (.data)
    2002bc68 00000008 : exit.obj (.data)
    2002bc70 00000005 uartstdio.obj (.data)
    2002bc75 00000003 --HOLE--
    2002bc78 00000004 rtsv7M4_T_le_v4SPD16_eabi.lib : dtor_list.obj (.data)
    2002bc7c 00000004 : stkdepth_vars.obj (.data)


    LINKER GENERATED COPY TABLES

    __TI_cinit_table @ 0000bc10 records: 2, size/record: 8, table size: 16
    .data: load addr=0000bbb8, load size=00000044 bytes, run addr=2002bbf0, run size=00000090 bytes, compression=rle
    .bss: load addr=0000bc08, load size=00000008 bytes, run addr=20000000, run size=00017bf0 bytes, compression=zero_init


    LINKER GENERATED HANDLER TABLE

    __TI_handler_table @ 0000bbfc records: 3, size/record: 4, table size: 12
    index: 0, handler: __TI_decompress_rle24
    index: 1, handler: __TI_decompress_none
    index: 2, handler: __TI_zero_init


    GLOBAL SYMBOLS: SORTED ALPHABETICALLY BY Name

    address name
    -------- ----
    0000a61d C$$EXIT
    0000b4c3 CPUcpsie
    0000b0cd EMACAddrGet
    0000a945 EMACConfigGet
    0000aacd EMACConfigSet
    0000b429 EMACFrameFilterSet
    00009491 EMACInit
    0000ab01 EMACIntClear
    0000a895 EMACIntEnable
    0000ac21 EMACIntStatus
    00009d41 EMACPHYConfigSet
    0000ada1 EMACPHYRead
    0000adc7 EMACPHYWrite
    0000b299 EMACReset
    0000b533 EMACRxDMADescriptorListSet
    0000b2af EMACRxEnable
    0000b539 EMACTimestampIntStatus
    0000b53f EMACTxDMADescriptorListSet
    0000b523 EMACTxDMAPollDemand
    0000b2c5 EMACTxEnable
    0000aca5 GPIODirModeSet
    00005da9 GPIOPadConfigSet
    0000b545 GPIOPinRead
    0000b3f1 GPIOPinTypeEthernetLED
    0000b21f GPIOPinTypeGPIOOutput
    0000b54b GPIOPinWrite
    00005061 InitDMADescriptors
    00009901 IntEnable
    0000b439 IntMasterEnable
    0000aded IntPrioritySet
    00003a1d PinoutSet
    0000b551 ResetISR
    0000bba8 SHT$$INIT_ARRAY$$Base
    0000bbb4 SHT$$INIT_ARRAY$$Limit
    00004541 SysCtlClockFreqSet
    00006589 SysCtlClockGet
    0000b557 SysCtlDelay
    0000b4d1 SysCtlMOSCConfigSet
    0000a97d SysCtlPeripheralReady
    0000a099 SysCtlPeripheralReset
    0000b38d SysTickDisable
    0000b3a1 SysTickEnable
    0000b3b5 SysTickIntDisable
    0000b3c9 SysTickIntEnable
    0000b519 SysTickIntHandler
    0000b449 SysTickPeriodSet
    0000ae11 Timer0IntHandler
    00009581 UARTStdioConfig
    0000ae35 UARTprintf
    00002cb9 UARTvprintf
    00009c2d UARTwrite
    00009751 _Z12StartNetworkhPh
    0000a0e9 _Z13PerformBITFITv
    0000a50d _Z16DisplayIPAddressj
    0000b459 _Z17InitializeLEDPinsv
    0000ac4d _Z4Waitj
    00007d61 _ZN10__cxxabiv116__enum_type_infoD0Ev
    00007d5f _ZN10__cxxabiv116__enum_type_infoD1Ev
    00007d5f _ZN10__cxxabiv116__enum_type_infoD2Ev
    00007d57 _ZN10__cxxabiv117__array_type_infoD0Ev
    00007d55 _ZN10__cxxabiv117__array_type_infoD1Ev
    00007d55 _ZN10__cxxabiv117__array_type_infoD2Ev
    00007d4d _ZN10__cxxabiv117__class_type_infoD0Ev
    00007d4b _ZN10__cxxabiv117__class_type_infoD1Ev
    00007d4b _ZN10__cxxabiv117__class_type_infoD2Ev
    00007d43 _ZN10__cxxabiv117__pbase_type_infoD0Ev
    00007d41 _ZN10__cxxabiv117__pbase_type_infoD1Ev
    00007d41 _ZN10__cxxabiv117__pbase_type_infoD2Ev
    00007d39 _ZN10__cxxabiv119__pointer_type_infoD0Ev
    00007d37 _ZN10__cxxabiv119__pointer_type_infoD1Ev
    00007d37 _ZN10__cxxabiv119__pointer_type_infoD2Ev
    00007d2f _ZN10__cxxabiv120__function_type_infoD0Ev
    00007d2d _ZN10__cxxabiv120__function_type_infoD1Ev
    00007d2d _ZN10__cxxabiv120__function_type_infoD2Ev
    00007d25 _ZN10__cxxabiv120__si_class_type_infoD0Ev
    00007d23 _ZN10__cxxabiv120__si_class_type_infoD1Ev
    00007d23 _ZN10__cxxabiv120__si_class_type_infoD2Ev
    00007d1b _ZN10__cxxabiv121__vmi_class_type_infoD0Ev
    00007d19 _ZN10__cxxabiv121__vmi_class_type_infoD1Ev
    00007d19 _ZN10__cxxabiv121__vmi_class_type_infoD2Ev
    00007d11 _ZN10__cxxabiv123__fundamental_type_infoD0Ev
    00007d0f _ZN10__cxxabiv123__fundamental_type_infoD1Ev
    00007d0f _ZN10__cxxabiv123__fundamental_type_infoD2Ev
    00007d07 _ZN10__cxxabiv129__pointer_to_member_type_infoD0Ev
    00007d05 _ZN10__cxxabiv129__pointer_to_member_type_infoD1Ev
    00007d05 _ZN10__cxxabiv129__pointer_to_member_type_infoD2Ev
    0000b2db _ZN7Signals13IsValidSignalE6Signal
    00002fc5 _ZN7Signals16InitializeVectorEv
    00002995 _ZN7Signals19InitializeRegistersEv
    0000a279 _ZN7Signals3GetE6Signal
    00009969 _ZN7Signals3SetE6Signalb
    0000b237 _ZN7Signals5ClearE6Signal
    0000a229 _ZN7Signals6ToggleE6Signal
    20017650 _ZN7Signals8InstanceE
    0000af4d _ZN7SignalsC1Ev
    0000af4d _ZN7SignalsC2Ev
    0000b2f1 _ZN7SignalsD0Ev
    0000b4dd _ZN7SignalsD1Ev
    0000b4dd _ZN7SignalsD2Ev
    0000b499 _ZN8SysClock3GetEv
    0000a769 _ZN8SysClock3SetEj
    20017b54 _ZN8SysClock8InstanceE
    0000a6e9 _ZN8SysClockC1Ev
    0000a6e9 _ZN8SysClockC2Ev
    0000b307 _ZN8SysClockD0Ev
    0000b4e9 _ZN8SysClockD1Ev
    0000b4e9 _ZN8SysClockD2Ev
    0000b403 _ZN9Timestamp19GetCurrentTimestampEv
    0000b469 _ZN9Timestamp19GetHighResTimestampEv
    0000af6d _ZN9Timestamp3IncEv
    20017b28 _ZN9Timestamp8InstanceE
    00008de5 _ZN9TimestampC1Ev
    00008de5 _ZN9TimestampC2Ev
    0000b31d _ZN9TimestampD0Ev
    0000b4f5 _ZN9TimestampD1Ev
    0000b4f5 _ZN9TimestampD2Ev
    00007cc7 _ZNKSt9type_info4nameEv
    00007cf7 _ZNKSt9type_info6beforeERKS_
    00007ce1 _ZNKSt9type_infoeqERKS_
    00007ccb _ZNKSt9type_infoneERKS_
    00007cbf _ZNSt9type_infoD0Ev
    00007cbd _ZNSt9type_infoD1Ev
    00007cbd _ZNSt9type_infoD2Ev
    20017b24 _ZSt16__dummy_typeinfo
    00007cb5 _ZSt21__gen_dummy_typeinfosv
    0000bb74 _ZTI7Signals
    0000bb7c _ZTI8SysClock
    0000bb84 _ZTI9Timestamp
    0000bb18 _ZTIN10__cxxabiv117__class_type_infoE
    0000bb24 _ZTIN10__cxxabiv117__pbase_type_infoE
    0000bb30 _ZTIN10__cxxabiv119__pointer_type_infoE
    0000bb3c _ZTIN10__cxxabiv120__si_class_type_infoE
    0000bb48 _ZTIN10__cxxabiv123__fundamental_type_infoE
    0000bab8 _ZTIPKe
    0000bb8c _ZTISt9type_info
    0000bb94 _ZTIe
    0000bb69 _ZTS7Signals
    0000bb5f _ZTS8SysClock
    0000bb54 _ZTS9Timestamp
    0000b995 _ZTSN10__cxxabiv117__class_type_infoE
    0000b9b7 _ZTSN10__cxxabiv117__pbase_type_infoE
    0000b971 _ZTSN10__cxxabiv119__pointer_type_infoE
    0000b94c _ZTSN10__cxxabiv120__si_class_type_infoE
    0000b8fc _ZTSN10__cxxabiv123__fundamental_type_infoE
    0000bba4 _ZTSPKe
    0000bb08 _ZTSSt9type_info
    0000b7aa _ZTSe
    0000b924 _ZTV7Signals
    0000ba50 _ZTV8SysClock
    0000b9fc _ZTV9Timestamp
    0000bac8 _ZTVN10__cxxabiv117__class_type_infoE
    0000bad8 _ZTVN10__cxxabiv119__pointer_type_infoE
    0000bae8 _ZTVN10__cxxabiv120__si_class_type_infoE
    0000baf8 _ZTVN10__cxxabiv123__fundamental_type_infoE
    0000b52b _ZdlPv
    2002bbf0 __STACK_END
    00004000 __STACK_SIZE
    200283f0 __STACK_TOP
    00010000 __SYSMEM_SIZE
    0000bc10 __TI_CINIT_Base
    0000bc20 __TI_CINIT_Limit
    0000bbfc __TI_Handler_Table_Base
    0000bc08 __TI_Handler_Table_Limit
    00000001 __TI_args_main
    00008cc1 __TI_auto_init
    2002bc68 __TI_cleanup_ptr
    0000b4a7 __TI_decompress_none
    0000b55d __TI_decompress_rle24
    2002bc6c __TI_dtors_ptr
    00000000 __TI_static_base__
    0000b415 __TI_zero_init
    00006df5 __aeabi_atexit
    00009509 __aeabi_memclr
    00009509 __aeabi_memclr4
    00009509 __aeabi_memclr8
    00008af9 __aeabi_memcpy
    00008af9 __aeabi_memcpy4
    00008af9 __aeabi_memcpy8
    0000950b __aeabi_memset
    0000950b __aeabi_memset4
    0000950b __aeabi_memset8
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    ffffffff __binit__
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    [372 symbols]

  • in reply to Mike Rhodes
    Guru 92251 points

    Mike Rhodes said:
    I've included the link map below and you can see none of these elements are that big - although a call to operator new of HVPS supplies a huge allocation size - which makes no sense.  The size the new operator receives is not the address of the object or anything I can find related to the object hierarchy when examined with the debugger.

    I think the issue is the storage size required for an instance of the HVPS class.

    When you previously attempted to create an instance of the class on the stack the compiler reported a "INTERNAL ERROR: Space required for local variables exceeds maximum in main" error. From an experiment with the v5.2.6 compiler the "Space required for local variables exceeds maximum" is reported when an attempt is made to allocate more than approx 1Mbytes of stack space for a function. i.e. appears to show compiler has determined the storage size for the HVPS class exceeds 1Mbyte.

    If you attempt to create an instance of the HVPS class in a global variable, the linker map file should indicate the storage size of the HVPS class (the link will fail due to insufficient space).

    The question is have you discovered a compiler bug, or is the storage size required for the HVPS class larger than you expected. From the posted code not all the sub-types are shown. e.g. XTP_STATES and XTPMSGTYPE aren't shown and so unsure of the size of those types.

    Are you able to post a complete compilable example?

  • in reply to Chester Gillon
    Prodigy 190 points

    Hi Chester,

    Sorry, unable to post complete project but what I've done is collected all of the references & sizes of each object (inserted below) in the derivation hierarchy and they only add up to little less than 2550 bytes!  So, I'm not sure what the compiler is doing with the sizes its using (for stack and or heap allocations).

    I'm hoping this is something trivial that I've missed in my project configuration & not a compiler error.  Otherwise, how does anyone achieve this kind of abstraction?

    Thanks,

    Mike

    Origin        Length
    --------         --------
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    0000a1a0 00000078 Socket.obj (.text:_ZN6Socket9ConnectCBEPvP7tcp_pcba)
    0000a544 0000006c Socket.obj (.text:_ZN6Socket5CloseEv)
    0000a960 00000062 Socket.obj (.text:_ZN6Socket4OpenEt7ip_addr)
    0000ada8 00000054 Socket.obj (.text:_ZN6SocketC1Ev)
    0000b03c 00000050 Socket.obj (.text:_ZN6Socket15HandleRecvErrorEa)
    0000b38c 00000048 Socket.obj (.text:_ZN6Socket6ListenEv)
    0000b4f4  00000046 Socket.obj (.text:_ZN6Socket5ErrCBEPva)
    0000b5c4 00000044 Socket.obj (.text:_ZN6Socket4SendEPvt)
    0000b7a0 00000040 Socket.obj (.text:_ZN6Socket7ConnectEv)
    0000ba02 0000003a Socket.obj (.text:_ZN6Socket8ClearPCBEv)
    0000bcd8 00000032 Socket.obj (.text:_ZN6Socket5AbortEv)
    0000befe  0000002a Socket.obj (.text:_ZN6Socket4BindEv)
    0000bf28  0000002a Socket.obj (.text:_ZN6Socket6SentCBEPvP7tcp_pcbt)
    0000c214 00000020 Socket.obj (.text:_ZN6SocketD1Ev)
    0000c4ec 0000001a Socket.obj (.text:_ZN6Socket6PollCBEPvP7tcp_pcb)
    0000c606 00000016 Socket.obj (.text:_ZN6Socket12SetBytesSentEt)
    0000c61c 00000016 Socket.obj (.text:_ZN6SocketD0Ev)
    0000c734 00000014 Socket.obj (.text:_ZN6Socket4RecvEv)
    0000c914 0000000c Socket.obj (.text:_ZN6Socket3LogEPhz)
                        -------------
                                 4EC (1260)

    0000cdcc  0000003c Socket.obj (.const:_ZTV6Socket)
    0000d0c8 00000008 Socket.obj (.const:.typeinfo:_ZTI6Socket)
    0000d0f8  00000008 Socket.obj (.const:.typeinfo:_ZTS6Socket)
                       --------------
                                    4C (76)


                       ========
              Object size 538 (1336)

    ****************************************************************************************************

    00008bf0  000000ae XTP.obj (.text:_ZN3XTP13ProcessHeaderEPhj)
    00009798 00000094 XTP.obj (.text:_ZN3XTP4SendER10XTPMSGTYPEPvj)
    0000a290 00000076 XTP.obj (.text:_ZN3XTP14ProcessPayloadEPhj)
    0000b1cc 0000004c XTP.obj (.text:_ZN3XTPC1Ev)
    0000b2b0 0000004a XTP.obj (.text:_ZN3XTP11AssembleMsgEPhjPv)
    0000b85e 0000003c XTP.obj (.text:_ZN3XTP4SendEP6XTPMSG)
    0000bc38 00000036 XTP.obj (.text:_ZN3XTP8ResetMsgEv)
    0000c1f2  00000020 XTP.obj (.text:_ZN3XTP13IsMsgCompleteEv)
    0000c5da 00000016 XTP.obj (.text:_ZN3XTPD0Ev)
    0000c7aa 00000012 XTP.obj (.text:_ZN6Socket15SetMsgProcessorEPFvPhtPvE)
    0000c7bc 00000012 XTP.obj (.text:_ZN6Socket16SetCallbackParamEPv)
    0000c868 00000010 XTP.obj (.text:_ZN3XTP12ResetContextEv)
    0000c8a8 0000000e XTP.obj (.text:_ZN3XTP6GetMsgEv)
    0000c8b6 0000000e XTP.obj (.text:_ZN3XTPD1Ev)
                       -------------
                                  346 (838)

    0000cce8 00000050 XTP.obj (.const:_ZTV3XTP)
    0000d054 0000000c XTP.obj (.const:.typeinfo:_ZTI3XTP)
    0000d10e 00000005 XTP.obj (.const:.typeinfo:_ZTS3XTP)
                        -------------
                                     61 (97)

                       ========
              Object size 3A7 (935)

    ****************************************************************************************************

    0000abf0  00000058 HVPS.obj (.text:_ZN4HVPS11StartSocketEv)
    0000be50 0000002c HVPS.obj (.text:_ZN4HVPSC1Ej)
    0000c5f0  00000016 HVPS.obj (.text:_ZN4HVPSD0Ev)
    0000c8c4 0000000e HVPS.obj (.text:_ZN4HVPSD1Ev)
    0000c966 0000000a HVPS.obj (.text:_ZN4HVPS9OnMessageEv)
                       --------------
                                     B2 (178)

    0000cd38 00000050 HVPS.obj (.const:_ZTV4HVPS)
    0000d060 0000000c HVPS.obj (.const:.typeinfo:_ZTI4HVPS)
    0000d108 00000006 HVPS.obj (.const:.typeinfo:_ZTS4HVPS)
                        --------------
                                     62 (98)

                       ========
              Object size 114 (276)


    Total Object size for an HVPS instance =  9F3 (2547)

  • in reply to Mike Rhodes
    Prodigy 190 points
    One more tidbit to consider...

    The compiler generates a size of 4054693120 bytes for this "static const uint32_t HVPS_SIZE = sizeof(HVPS);" statement!

    <snippet from debugger's peek function>
    Name : HVPS_SIZE
    Default:4054693120
    Hex:0xF1ADB500
    Decimal:4054693120

    creating the object via the following statement and stepping into the "new" operator function yields an allocation size of 33554500 bytes!
    const HVPS* pHVPS2 = new HVPS(7771);

    <snippet from debugger's peek function >
    Name : size
    Default:33554500
    Hex:0x02000044
    Decimal:33554500

    Why the disparity in sizes of the exact same object?
  • in reply to Mike Rhodes
    TI__Guru**** 483201 points
    I've moved this thread to the compiler forum where the experts there can provide more suggestions

    Thanks
    ki
  • in reply to Mike Rhodes
    TI__Guru* 84285 points
    The segment allocation map from the linker map file you posted looks strange; it seems to have two segments starting at 0x20000000...

    I don't know why there would be such a disparity; I am unfamiliar with the "debugger's peek function."

    Have you overloaded any operator new? (e.g. ::operator new, or Socket::operator new)

    Please add this to the start of your main routine and post the results:
    int main()
    {
    printf("Socket %d\n", (int)sizeof(Socket));
    printf("XTP %d\n", (int)sizeof(XTP));
    printf("HVPS %d\n", (int)sizeof(HVPS));
    exit(0);
  • in reply to Archaeologist
    Prodigy 190 points

    Socket 44

    XTP 33554496

    HVPS 33554508

    It appears any derived class' size somehow gets mangled...although the incremental increase between XTP & HVPS seem close (almost like const data differences).

     

  • in reply to Mike Rhodes
    TI__Guru* 84285 points
    I cannot reproduce this problem. Have you shown us the complete class declaration for XTP?
  • in reply to Archaeologist
    Prodigy 190 points
    I sent the headers files to Omar Barron...and can share the project with you @ TI (companies have NDA in place) but not on open forum.
  • in reply to Mike Rhodes
    TI__Guru* 84285 points

    Okay, I got hold of the header files, thank you.

    The class XTP really is that big. It has two members of type XTPMSG, which are much larger than you expect. Please see the definition of struct XTPMSG in XTP.h, as well as the definition of the enum constant you use to define its size.

  • in reply to Archaeologist
    Prodigy 190 points

    Oh my gosh!  Thank you!  Completely missed that...I will make that size more sensible.

    I greatly appreciate you're taking time for the objectivity and assistance.

    Best,

    Mike

  • in reply to Mike Rhodes
    TI__Guru* 84285 points
    You're welcome. We're always happy to mangle your classes for you!