On Thu, Aug 23, 2018 at 2:14 PM, Amandeep Gautam
<amandeepgaut...@gmail.com> wrote:
>
> /export/home/amandeep/gccgo-obj/./gcc/go1
> /export/home/amandeep/gccgo-src/libgo/go/fmt/doc.go
> /export/home/amandeep/gccgo-src/libgo/go/fmt/format.go
> /export/home/amandeep/gccgo-src/libgo/go/fmt/print.go
> /export/home/amandeep/gccgo-src/libgo/go/fmt/scan.go -quiet -dumpbase doc.go
> -mcpu=v9 -auxbase-strip .libs/fmt.o -g -O2 -version -fgo-pkgpath=fmt -fPIC
> -I . -L/export/home/amandeep/gccgo-obj/./gcc -o /var/tmp//ccmxS20e.s
>
> and I got:
>
> GNU Go (GCC) version 8.2.1 20180814 (sparc-sun-solaris2.10)
> compiled by GNU C version 8.2.1 20180814, GMP version 6.1.2, MPFR
> version 4.0.0, MPC version 1.0.2, isl version csw-0.18-GMP
>
> GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
> GNU Go (GCC) version 8.2.1 20180814 (sparc-sun-solaris2.10)
> compiled by GNU C version 8.2.1 20180814, GMP version 6.1.2, MPFR
> version 4.0.0, MPC version 1.0.2, isl version csw-0.18-GMP
>
> GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
> /export/home/amandeep/gccgo-src/libgo/go/fmt/format.go:8:9: error: import
> file 'strconv' not found
> "strconv"
> ^
> /export/home/amandeep/gccgo-src/libgo/go/fmt/format.go:9:14: error: import
> file 'unicode/utf8' not found
> "unicode/utf8"
> ^
> ... and many more before ending into ...
>
> /export/home/amandeep/gccgo-src/libgo/go/fmt/scan.go:688:52: error: expected
> integer, floating, complex, or string type
> s.errorString("unsigned integer overflow on token " + tok)
> ^
> Segmentation Fault (core dumped)
>
> I tried analyzing the core dumped. so I did: gdb
> /export/home/amandeep/gccgo-obj/./gcc/go1 ./core and below is how the promt
> looks:
>
> GNU gdb (GDB) 7.7
> Copyright (C) 2014 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "sparc-sun-solaris2.10".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from /export/home/amandeep/gccgo-obj/./gcc/go1...done.
>
> warning: Couldn't find general-purpose registers in core file.
>
> warning: Wrong size fpregset in core file.
> [Thread debugging using libthread_db enabled]
> [New Thread 1 (LWP 1)]
>
> warning: Couldn't find general-purpose registers in core file.
>
> warning: Couldn't find general-purpose registers in core file.
> Error in re-setting breakpoint -1: PC register is not available
> Error in re-setting breakpoint -2: PC register is not available
> Error in re-setting breakpoint -3: PC register is not available
> Error in re-setting breakpoint -4: PC register is not available
> Error in re-setting breakpoint -5: PC register is not available
> Core was generated by `/export/home/amandeep/gccgo-obj/./gcc/go1
> /export/home/amandeep/gccgo-src/libgo'.
>
> warning: Couldn't find general-purpose registers in core file.
>
> warning: Wrong size fpregset in core file.
> PC not available
> #-1 <unavailable> in ?? ()
> (gdb) bt
> #-1 <unavailable> in ?? ()
> #0 <unavailable> in ?? ()
> frame.c:472: internal-error: get_frame_id: Assertion `fi->this_id.p' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
> Quit this debugging session? (y or n) n
> frame.c:472: internal-error: get_frame_id: Assertion `fi->this_id.p' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
> Create a core file of GDB? (y or n) y
> Command aborted.
>
> Have I steps mentioned correctly? Any suggestions on the next steps?
There is something badly wrong with your gdb. Unfortunately I can't
help you with that. I have not seen that behavior before.
I guess you could hope that the problem is only with the core file,
and run the program inside gdb rather than trying to look at the core.
Ian
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