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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Segmentation fault - PCML |
 Posted: Sun Aug 02, 2015 9:39 am |
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I have a problem that I know I've had before, but I can't remember what it was or how I fixed it (Sux to get old).
Anyway, I use MPLAB X in Linux with the PCML compiler. I have taken a project from a customer that was originally built under PCW, and created an MPLAB X project for it. After fixing the normal case issues, and a few other warnings, I attempted to compile it, and the compiler throws this error:
| Code: |
Runtime error 231 at 08058941
Segmentation fault (core dumped)
mv: cannot stat `build/default/production/c2price.cof': No such file or directory
make[2]: *** [build/default/production/c2price.o] Error 1
make[1]: *** [.build-conf] Error 2
make: *** [.build-impl] Error 2
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I know I've had this issue in the past, and I know I did something to fix it, I just can't figure it out. I'm hoping someone out there knows.
Have a great day,
_________________
-Glenn |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sun Aug 02, 2015 1:31 pm |
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Thanks PCM programmer,
I've been doing exactly that. Perhaps I haven't found the culprit yet.
Thanks again,
Glenn
_________________
-Glenn |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19328
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| Posted: Sun Aug 02, 2015 1:38 pm |
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| I'd double check the file permissions on the stuff you have imported. |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sun Aug 02, 2015 4:24 pm |
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So I feel like I must have gone down the rabbit hole. I'm commenting stuff out and if I comment the right? lines the compile will not throw a segmentation fault, and of course I get all the errors that you'd expect when you remove variables, but if I uncomment even one of these lines, it will throw the fault. I'm going bananas. Here's what's commented out when the compiler doesn't throw a fault:
| Code: |
struct SYS_STRUCT
{
// int OPMSKA;
// int PORTDATA;
// int ACTDEV; // ACTIVE DEVICE
// int MODE; // MAIN SYSTEM MODE
signed int16 SIWORD;
// int BTNDOWN;
// int1 BTNDB; // DEBOUNCE
// int1 BTNPROC; // PROCESSED
// int1 FAULTVALID;
// union {
// int16 IWORD;
// int8 IBYTE[2];
} ITEMP;
} SYS;
struct {
// int1 PUFLG; // POWER UP OCCURRED
// int1 ACTIVE; // SYSTEM IS ACTIVE
int1 LCDACT; // LCD IS ACTIVE
int1 LCUFLG; // UPDATE LCD
// int1 SHOWCTY;
int1 MS100;
} SYSFLAGS;
Compiling:
Keeping c2price.$$$
102 Errors, 0 Warnings, Build Failed., Time: 1 Seconds
/home/glenn/MPLABXProjects/C2PRICE.X/c2price.h, Line 100
Expecting a declaration
make[2]: Leaving directory `/home/glenn/MPLABXProjects/C2PRICE.X'
make[1]: Leaving directory `/home/glenn/MPLABXProjects/C2PRICE.X'
BUILD FAILED (exit value 2, total time: 263ms)
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Any thoughts? Should I call the funny farm? :-)
_________________
-Glenn |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Sun Aug 02, 2015 5:13 pm |
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The first thing I would suspect is that it doesn't like the int1's, and the
next thing would be that it doesn't like the union.
Try changing all the int1's to int8.
Another possibilty is to do the int1's as bits in a bitfield. |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sun Aug 02, 2015 6:34 pm |
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| Ttelmah wrote: | | I'd double check the file permissions on the stuff you have imported. |
That sounds like a real possibility.
| PCM programmer wrote: | The first thing I would suspect is that it doesn't like the int1's, and the
next thing would be that it doesn't like the union.
Try changing all the int1's to int8.
Another possibilty is to do the int1's as bits in a bitfield.
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I had thought about that, it's not my code and that isn't my style of coding. But that said it compiled just fine at my customers location, and I only needed to make a small change. Unless the V5.028 compiler is that much different than what they're running, I'd expect it to maybe have errors, but just blowing up isn't cool.
I'm going to spend a little more time on this, and then go make the change at my customers location.
Thank you both, I appreciate the help.
_________________
-Glenn |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19328
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| Posted: Mon Aug 03, 2015 1:03 am |
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As a comment about the int1's, use a bitfield.
In a structure declaration, the 'traditional' way of declaring a variable smaller than an int8, was as bitfields in an int. So:
| Code: |
struct {
int8 PUFLG:1; // POWER UP OCCURRED
int8 ACTIVE:1; // SYSTEM IS ACTIVE
int8 LCDACT:1; // LCD IS ACTIVE
int8 LCUFLG:1; // UPDATE LCD
int8 SHOWCTY:1;
int8 MS100:1;
} SYSFLAGS;
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This declares an int8, containing 6 one bit fields (and two unused bits).
This is the standard C way of doing this. I'd 'reserve' int1's for standalone variable declarations. |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Mon Aug 03, 2015 9:37 am |
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| Ttelmah wrote: | As a comment about the int1's, use a bitfield.
In a structure declaration, the 'traditional' way of declaring a variable smaller than an int8, was as bitfields in an int. So:
| Code: |
struct {
int8 PUFLG:1; // POWER UP OCCURRED
int8 ACTIVE:1; // SYSTEM IS ACTIVE
int8 LCDACT:1; // LCD IS ACTIVE
int8 LCUFLG:1; // UPDATE LCD
int8 SHOWCTY:1;
int8 MS100:1;
} SYSFLAGS;
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This declares an int8, containing 6 one bit fields (and two unused bits).
This is the standard C way of doing this. I'd 'reserve' int1's for standalone variable declarations. |
I agree completely. This is not my code, and certainly not my coding style. I was hoping to make only a small change to an already working product they have. Actually I just need to do a test and set a flag. So I was hoping not to get that deep into changing stuff. However, I might just get in there and do it, because I've already spent hours trying to get it to compile without blowing up, and I was expecting a 10 minute edit. :-(
Thanks again,
Glenn
_________________
-Glenn |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sat Aug 08, 2015 4:25 pm |
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I got desperate and converted all the int1's to bitfields. Sadly no love. Same issue. :-(
| Code: |
// ************************ registers ************************
struct {
int OPMSKA;
int PORTDATA;
int ACTDEV; // ACTIVE DEVICE
//; MAIN SYSTEM MODE
int MODE;
union{
long IWORD;
int IBYTE[2];
} ITEMP;
signed long SIWORD;
int BTNDOWN;
//
int8 BTNDB:1; // DEBOUNCE
int8 BTNPROC:1; // PROCESSED
int8 FAULTVALID:1;
} SYS;
struct {
int8 PUFLG:1; // POWER UP OCCURRED
int8 ACTIVE:1; // SYSTEM IS ACTIVE
int8 LCDACT:1; // LCD IS ACTIVE
int8 LCUFLG:1; // UPDATE LCD
int8 SHOWCTY:1;
int8 MS100:1;
} SYSFLAGS;
struct {
signed long ESCROW; //; ESCROW COUNT
long PRICE; // price in nickels or 50 centavo
long CTRYCODE; // ISO CURRENCY CODE OR TELEPHONE CODE
int PRICESW[2];
int BTNCODE; // VEND BUTTON CODE
int COUNTRY; // COUNTRY NUMBER
int GPCNT; // GALLON PULSES TO ISSUE
long CCPCNT; // COIN TOTALIZER COUNT
signed long TKNSUM; // TOKEN SUM
// FLAGS
int8 BTNPREQ:1; // BUTTON PROCESS REQ
int8 VPREQ:1; // VEND PULSE REQ
int8 ESCZER:1; // ESCROW IS ZERO
int8 VSWACT:1; // VEND SWITCH IS ACTIVE
int8 CHKRET:1; // CHECK FOR COIN RETURN
int8 CBVIP:1; // COIN/BILL VEND IN PROGRESS
int8 FREEALL:1; // free vend
int8 RETACTIVE:1;
int8 RETREQ:1;
int8 CMDAFLG:1;
int8 CCPCRY:1;
// TOKENS
int8 TKCREQ:1; // count request
int8 TOKEN:1;
} VEND;
// vend buttons
enum vbcodes{VBX,VB1,VB5 = 5};
//;***
struct {
int RTMODE; // SEND/RECEIVE MODE
int XBCNT; // TRANSMIT/RECEIVE BYTE COUNT
int ICTMR; // INTER-CHARACTER TIMER
int CRTMR; // COMMMAND RESPONSE TIMER
int CHKSUM;
int CHKSUMRX;
int CMDSENT;
// BYTE LEVEL SEND STATES
int TXREQ; // REQUEST MESSAGE SEND
int TXMODE; // TRANSMIT MODE
int *XBPTR; // SEND/RCV BUFFER POINTER
//; SERIAL DATA BYTE
int XDATABY;
long XDATAL;
// FLAGS
int8 TXDONE :1;
int8 RXDONE :1;
int8 RCVFLG :1;
int8 MSGSENT :1;
} COMMS;
//
struct {
// TIMER REGISTERS
int T10MS;
int T50MS;
int T1SEC; // 1 SECOND TIMER
int T5SEC; // 5 SECONDS
int T1MIN;
int DEAD; // DEADMAN MIN COUNTER
int FAULT;
long TMRX; // GENERAL TIMER
int RIDTMR;
int LCDTMR;
} STIMERS;
struct {
int XDATA;
long CTRYCODE; // ISO CURRENCY CODE OR TELEPHONE CODE
int TYPCODE; // COIN TYPE
int CREDIT; // COIN CREDIT
int SCALE; // SCALE FACTOR
int TUBENB; // TYPES THAT ARE ENABLED FOR TUBES
int POLLCTR; // COIN POLL COUNTER
int NRTMR; // NO RESPONSE
int TCVALS[8]; // TUBE COIN COUNTS
int FEAT;
// FLAGS
int8 SETUP:1; // CHANGER WAS SET UP
int8 DROP:1; // COIN DEPOSITED
int8 CASHBOX:1; // COIN WENT TO CASH BOX
int8 RESET:1; // CHANGER WAS RESET
int8 POBUSY:1; // PAYOUT BUSY FLAG
int8 DISABLED:1; // CHANGER WAS DISABLED
// requests
int8 RESETREQ:1;
int8 SETUPREQ:1;
int8 TSTATREQ:1; // TUBE STATUS REQUESTED
int8 DISABREQ:1; // DISABLE REQUEST
int8 ENABREQ:1;
int8 DISPREQ:1; // DISPENSE A COIN
} COIN;
struct {
int XDATA;
long CTRYCODE; // ISO CURRENCY CODE OR TELEPHONE CODE
int CREDIT;
long SCALE; // SCALE
int POLLCTR; // BILL POLL COUNTER
int NRTMR; // NO RESPONSE COUNTER
// FLAGS
int8 RESET:1; // BILL VALIDATOR RESET FLAG
int8 SETUP:1; // VALIDATOR WAS SETUP
int8 DISABLEDE:1; // VALIDATOR WAS DISABLED FOR ESCROW
int8 DISABLED:1;
int8 UDISAB:1; // VALIDATOR REPORTS DISABLED
int8 VESCROW:1; // bill in escrow in the validator
// requests
int8 RESETREQ:1;
int8 DISABREQE:1; // request for disable
int8 DISABREQ:1;
int8 ENABREQ:1;
int8 SETUPREQ:1;
int8 RETREQ:1; // request bill return
int8 STKREQ:1; // request bill stack
// actions
int8 RETGO:1;
int8 STKGO:1;
int8 WAITSTK:1; // wait for stack response
} BILL;
struct {
int XDATA;
int RTMODE; // TRANSMIT MODE
int SUBCODE; // MEDIA SUB-CODE
int SUSTATE; // setup state
signed long ESCROW; // MEDIA ESCROW
int FEAT; // FEATURES
int SCALE; // SCALE FACTOR
int DECI; // DECIMAL POINT
int APPRSP; // RESPONSE TIMEOUT SECONDS
int NRTMR; // NO RESPONSE COUNTER
int POLLCTR;
#define MRPCNT 40
int ERRCODE; // error code
int CMDREQ; // COMMAND REQUEST CODE
// MEDIA READER FLAGS
// FLAGS
int8 SETUP:1; // MEDIA WAS SET UP
int8 SESACT:1; // MEDIA SESSION ACTIVE
int8 RESET:1; // JUST RESET FLAG FROM THE READER
int8 RESETTX:1; // Media reset was transmitted
int8 VIPAG:1; // Media vend in progress after grant
int8 WAITVGR:1; // WAITING FOR GRANT
int8 VGRANTED:1; // MEDIA VEND GRANT FROM READER
int8 DISABTX:1; // media disable was transmitted
int8 RDISABACK:1; // Reader acked the disable message
int DISABLED:1;
// REQ FLAGS
int8 VSREQ:1; // REQUEST VEND SUCCESS
int8 DISABREQ:1; // request reader disable
int8 ENABREQ:1;
int8 IDREQ:1; // media ID request
int8 RESETREQ:1; // reset request
} MEDIA;
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_________________
-Glenn |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Sat Aug 08, 2015 5:50 pm |
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What's your compiler version ? I don't know if linux versions track the
Windows versions, but we can at least see what it is. The version is given
at the top of the .LST file, i.e., 4.141 or 5.047 etc.
And what is your PIC ?
Also, post the lines from the top of your .LST file, that show the amount
of ROM, RAM, and stack levels that are used. |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sat Aug 08, 2015 6:18 pm |
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Compiler PCM 5.028
Chip is 16F76
There is no list file, the compiler just exits with the following:
| Code: |
Runtime error 231 at 08058941
Segmentation fault (core dumped)
mv: cannot stat `build/default/production/c2price.cof': No such file or directory
make[2]: *** [build/default/production/c2price.o] Error 1
make[1]: *** [.build-conf] Error 2
make: *** [.build-impl] Error 2
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_________________
-Glenn |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Sat Aug 08, 2015 6:28 pm |
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But what if you comment out the minimum number of lines to get it to
compile ? Then there will be a .LST file and you can post the ROM, RAM
and stack usage. |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sat Aug 08, 2015 10:41 pm |
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I'll give that a shot and let you know. Thanks.
_________________
-Glenn |
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ghamblin
Joined: 02 Aug 2015
Posts: 36
Location: Tucson
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| Posted: Sat Aug 08, 2015 11:02 pm |
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Well, by the time I get enough commented out that the compiler doesn't fail, there's too many errors to compile. Mostly undefined identifiers because I've commented out almost all the defined variables. So there's a a ".err file" but nothing else. :-(
| Code: |
Compiling:
Keeping c2price.$$$
104 Errors, 1 Warnings, Build Failed., Time: 1 Seconds
c2price.c, Line 283
Undefined identifier
make[2]: Leaving directory `/home/glenn/MPLABXProjects/c2price.X'
make[1]: Leaving directory `/home/glenn/MPLABXProjects/c2price.X'
mv: cannot stat `build/default/production/c2price.cof': No such file or directory
make[2]: *** [build/default/production/c2price.o] Error 1
make[1]: *** [.build-conf] Error 2
make: *** [.build-impl] Error 2
BUILD FAILED (exit value 2, total time: 616ms)
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_________________
-Glenn |
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